WO1996031553A1 - Procede et appareil pour preparer du polycarbonate et methode de traitement de surface dudit appareil - Google Patents
Procede et appareil pour preparer du polycarbonate et methode de traitement de surface dudit appareil Download PDFInfo
- Publication number
- WO1996031553A1 WO1996031553A1 PCT/JP1996/000925 JP9600925W WO9631553A1 WO 1996031553 A1 WO1996031553 A1 WO 1996031553A1 JP 9600925 W JP9600925 W JP 9600925W WO 9631553 A1 WO9631553 A1 WO 9631553A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- polycarbonate
- liquid
- stainless steel
- reaction
- Prior art date
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- 239000004417 polycarbonate Substances 0.000 title claims abstract description 76
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 70
- 238000004381 surface treatment Methods 0.000 title claims abstract description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 44
- 239000010935 stainless steel Substances 0.000 claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 claims abstract description 42
- 238000005809 transesterification reaction Methods 0.000 claims abstract description 41
- 238000011282 treatment Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims description 71
- 238000006243 chemical reaction Methods 0.000 claims description 47
- 125000003118 aryl group Chemical group 0.000 claims description 30
- 125000000217 alkyl group Chemical group 0.000 claims description 26
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 claims description 24
- 238000001228 spectrum Methods 0.000 claims description 24
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 19
- 230000003595 spectral effect Effects 0.000 claims description 19
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 15
- 125000002947 alkylene group Chemical group 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 229910002588 FeOOH Inorganic materials 0.000 claims description 6
- 125000003277 amino group Chemical group 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 4
- 125000004450 alkenylene group Chemical group 0.000 claims description 2
- 125000004104 aryloxy group Chemical group 0.000 claims 1
- -1 hydroxyl compound Chemical class 0.000 abstract description 59
- 150000001728 carbonyl compounds Chemical class 0.000 abstract 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 35
- 125000004432 carbon atom Chemical group C* 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 15
- 239000000463 material Substances 0.000 description 15
- 238000005211 surface analysis Methods 0.000 description 15
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 238000005498 polishing Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 11
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 150000002148 esters Chemical group 0.000 description 9
- 235000013980 iron oxide Nutrition 0.000 description 9
- 239000000376 reactant Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000011651 chromium Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 239000001273 butane Substances 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 229960001755 resorcinol Drugs 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 238000000026 X-ray photoelectron spectrum Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 5
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 5
- 150000002989 phenols Chemical class 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910002640 NiOOH Inorganic materials 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000007983 Tris buffer Substances 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 150000007514 bases Chemical class 0.000 description 4
- 125000000753 cycloalkyl group Chemical group 0.000 description 4
- 125000002993 cycloalkylene group Chemical group 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 4
- 239000012442 inert solvent Substances 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000001294 propane Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 4
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical class [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- 238000012696 Interfacial polycondensation Methods 0.000 description 3
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 239000006061 abrasive grain Substances 0.000 description 3
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 3
- 210000003323 beak Anatomy 0.000 description 3
- 150000004650 carbonic acid diesters Chemical class 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 3
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 150000002085 enols Chemical class 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 3
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 3
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 150000003462 sulfoxides Chemical class 0.000 description 3
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 3
- MEBONNVPKOBPEA-UHFFFAOYSA-N 1,1,2-trimethylcyclohexane Chemical compound CC1CCCCC1(C)C MEBONNVPKOBPEA-UHFFFAOYSA-N 0.000 description 2
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 2
- DTFQULSULHRJOA-UHFFFAOYSA-N 2,3,5,6-tetrabromobenzene-1,4-diol Chemical compound OC1=C(Br)C(Br)=C(O)C(Br)=C1Br DTFQULSULHRJOA-UHFFFAOYSA-N 0.000 description 2
- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 2
- HTVITOHKHWFJKO-UHFFFAOYSA-N Bisphenol B Chemical compound C=1C=C(O)C=CC=1C(C)(CC)C1=CC=C(O)C=C1 HTVITOHKHWFJKO-UHFFFAOYSA-N 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 125000001118 alkylidene group Chemical group 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- WWXIEPCOVRHDJD-UHFFFAOYSA-N benzaldehyde;benzoic acid Chemical compound O=CC1=CC=CC=C1.OC(=O)C1=CC=CC=C1 WWXIEPCOVRHDJD-UHFFFAOYSA-N 0.000 description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 2
- 239000012965 benzophenone Substances 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical group C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 150000001924 cycloalkanes Chemical class 0.000 description 2
- 150000005690 diesters Chemical class 0.000 description 2
- 150000005205 dihydroxybenzenes Chemical class 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- JXDYKVIHCLTXOP-UHFFFAOYSA-N isatin Chemical compound C1=CC=C2C(=O)C(=O)NC2=C1 JXDYKVIHCLTXOP-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- XTBFPVLHGVYOQH-UHFFFAOYSA-N methyl phenyl carbonate Chemical compound COC(=O)OC1=CC=CC=C1 XTBFPVLHGVYOQH-UHFFFAOYSA-N 0.000 description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 2
- CQDGTJPVBWZJAZ-UHFFFAOYSA-N monoethyl carbonate Chemical compound CCOC(O)=O CQDGTJPVBWZJAZ-UHFFFAOYSA-N 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- SJWFXCIHNDVPSH-UHFFFAOYSA-N octan-2-ol Chemical compound CCCCCCC(C)O SJWFXCIHNDVPSH-UHFFFAOYSA-N 0.000 description 2
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 229920001955 polyphenylene ether Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 150000003457 sulfones Chemical class 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 2
- 125000006681 (C2-C10) alkylene group Chemical group 0.000 description 1
- HCNHNBLSNVSJTJ-UHFFFAOYSA-N 1,1-Bis(4-hydroxyphenyl)ethane Chemical compound C=1C=C(O)C=CC=1C(C)C1=CC=C(O)C=C1 HCNHNBLSNVSJTJ-UHFFFAOYSA-N 0.000 description 1
- SZEZPYPOANXQRS-UHFFFAOYSA-N 1,2,4,6-tetrafluorocyclohexa-3,5-diene-1,3-diol Chemical compound OC1=C(F)C=C(F)C(O)(F)C1F SZEZPYPOANXQRS-UHFFFAOYSA-N 0.000 description 1
- IVSZLXZYQVIEFR-UHFFFAOYSA-N 1,3-Dimethylbenzene Natural products CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- NFDXQGNDWIPXQL-UHFFFAOYSA-N 1-cyclooctyldiazocane Chemical compound C1CCCCCCC1N1NCCCCCC1 NFDXQGNDWIPXQL-UHFFFAOYSA-N 0.000 description 1
- GVEDOIATHPCYGS-UHFFFAOYSA-N 1-methyl-3-(3-methylphenyl)benzene Chemical group CC1=CC=CC(C=2C=C(C)C=CC=2)=C1 GVEDOIATHPCYGS-UHFFFAOYSA-N 0.000 description 1
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- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- QIIPQYDSKRYMFG-UHFFFAOYSA-N phenyl hydrogen carbonate Chemical compound OC(=O)OC1=CC=CC=C1 QIIPQYDSKRYMFG-UHFFFAOYSA-N 0.000 description 1
- YXJYBPXSEKMEEJ-UHFFFAOYSA-N phosphoric acid;sulfuric acid Chemical compound OP(O)(O)=O.OS(O)(=O)=O YXJYBPXSEKMEEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- CNHDIAIOKMXOLK-UHFFFAOYSA-N toluquinol Chemical compound CC1=CC(O)=CC=C1O CNHDIAIOKMXOLK-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- XTTGYFREQJCEML-UHFFFAOYSA-N tributyl phosphite Chemical compound CCCCOP(OCCCC)OCCCC XTTGYFREQJCEML-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- IELLVVGAXDLVSW-UHFFFAOYSA-N tricyclohexyl phosphate Chemical compound C1CCCCC1OP(OC1CCCCC1)(=O)OC1CCCCC1 IELLVVGAXDLVSW-UHFFFAOYSA-N 0.000 description 1
- FICPQAZLPKLOLH-UHFFFAOYSA-N tricyclohexyl phosphite Chemical class C1CCCCC1OP(OC1CCCCC1)OC1CCCCC1 FICPQAZLPKLOLH-UHFFFAOYSA-N 0.000 description 1
- GAJQCIFYLSXSEZ-UHFFFAOYSA-L tridecyl phosphate Chemical compound CCCCCCCCCCCCCOP([O-])([O-])=O GAJQCIFYLSXSEZ-UHFFFAOYSA-L 0.000 description 1
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- IRKHIJIMXUBALO-UHFFFAOYSA-N triheptyl borate Chemical compound CCCCCCCOB(OCCCCCCC)OCCCCCCC IRKHIJIMXUBALO-UHFFFAOYSA-N 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- CYTQBVOFDCPGCX-UHFFFAOYSA-N trimethyl phosphite Chemical compound COP(OC)OC CYTQBVOFDCPGCX-UHFFFAOYSA-N 0.000 description 1
- QUTZUATVZPXUJR-UHFFFAOYSA-N trinonyl phosphite Chemical compound CCCCCCCCCOP(OCCCCCCCCC)OCCCCCCCCC QUTZUATVZPXUJR-UHFFFAOYSA-N 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- SPGRBRZRCSJWAN-UHFFFAOYSA-N trioctan-3-yl phosphite Chemical compound CCCCCC(CC)OP(OC(CC)CCCCC)OC(CC)CCCCC SPGRBRZRCSJWAN-UHFFFAOYSA-N 0.000 description 1
- QOQNJVLFFRMJTQ-UHFFFAOYSA-N trioctyl phosphite Chemical compound CCCCCCCCOP(OCCCCCCCC)OCCCCCCCC QOQNJVLFFRMJTQ-UHFFFAOYSA-N 0.000 description 1
- MDCWDBMBZLORER-UHFFFAOYSA-N triphenyl borate Chemical compound C=1C=CC=CC=1OB(OC=1C=CC=CC=1)OC1=CC=CC=C1 MDCWDBMBZLORER-UHFFFAOYSA-N 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- JZZBTMVTLBHJHL-UHFFFAOYSA-N tris(2,3-dichloropropyl) phosphate Chemical compound ClCC(Cl)COP(=O)(OCC(Cl)CCl)OCC(Cl)CCl JZZBTMVTLBHJHL-UHFFFAOYSA-N 0.000 description 1
- FCFIEBVTVHJMQR-UHFFFAOYSA-N tris(2,3-dichloropropyl) phosphite Chemical class ClCC(Cl)COP(OCC(Cl)CCl)OCC(Cl)CCl FCFIEBVTVHJMQR-UHFFFAOYSA-N 0.000 description 1
- HQUQLFOMPYWACS-UHFFFAOYSA-N tris(2-chloroethyl) phosphate Chemical compound ClCCOP(=O)(OCCCl)OCCCl HQUQLFOMPYWACS-UHFFFAOYSA-N 0.000 description 1
- LUVCTYHBTXSAMX-UHFFFAOYSA-N tris(2-chloroethyl) phosphite Chemical class ClCCOP(OCCCl)OCCCl LUVCTYHBTXSAMX-UHFFFAOYSA-N 0.000 description 1
- XKEHGKBYZJWLQC-UHFFFAOYSA-N tris(2-hydroxyphenyl) phosphite Chemical compound OC1=CC=CC=C1OP(OC=1C(=CC=CC=1)O)OC1=CC=CC=C1O XKEHGKBYZJWLQC-UHFFFAOYSA-N 0.000 description 1
- OOZBTDPWFHJVEK-UHFFFAOYSA-N tris(2-nonylphenyl) phosphate Chemical compound CCCCCCCCCC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC OOZBTDPWFHJVEK-UHFFFAOYSA-N 0.000 description 1
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 description 1
- YEIGUXGHHKAURB-UHFFFAOYSA-N viridine Natural products O=C1C2=C3CCC(=O)C3=CC=C2C2(C)C(O)C(OC)C(=O)C3=COC1=C23 YEIGUXGHHKAURB-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/205—General preparatory processes characterised by the apparatus used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
Definitions
- the present invention relates to a polycarbonate production method, a polycarbonate production apparatus, and a surface treatment method thereof. More specifically, the present invention relates to a process for producing a polycarbonate by an ester exchange reaction, wherein a high-molecular-weight polycarbonate having a good color tone is produced by using an inexpensive reactor made of stainless steel or the like. The present invention relates to an industrially advantageous method for efficiently producing glass, an apparatus for producing polycarbonate which has been used in this method, and a surface treatment method for obtaining the apparatus.
- Polycarbonate is an engineering ring plastic with excellent transparency, heat resistance, and impact resistance, and is currently widely used in the fields of electricity, electronics, automobiles, optical components, and other industries. .
- the method for producing polycarbonate is a method in which an aromatic dihydroxy compound is directly reacted with phosgene (interfacial polycondensation method), or a method in which an aromatic dihydroxy compound and a carbonic acid diester are melted.
- a method of performing an ST exchange reaction (melt polymerization method) is known.
- the interfacial polycondensation method requires the following: 1) toxic phosgene must be used, and 2) chlorine-containing compounds such as hydrogen chloride and sodium chloride as a by-product.
- ester exchange between a dihydroquine compound and a diester carbonate is performed without using phosgene.
- reactors made of these materials are expensive, and therefore, it is inevitable that the resulting polycarbonate will become expensive, and there has been a demand for the development of a method of using reactors made of inexpensive materials.
- the present invention provides a polyester An industrially advantageous method for efficiently producing high-molecular-weight polycarbonate with good color using a low-cost reactor made of stainless steel or the like in the production of polycarbonate. It is an object of the present invention to provide an apparatus and a surface treatment method for obtaining the apparatus.
- the present inventors have conducted intensive studies to achieve the above-mentioned object, and as a result, as a reaction apparatus, at least at least a portion of the liquid-contacting portion which has been heat-treated, or at least a portion of the liquid-contacting portion, is specified. It was found that high-molecular-weight polycarbonate with good color tone could be easily obtained even if the material of the liquid-contact part was made of stainless steel, by using a material that had been washed with this compound. . In addition, in a device in which the wetted part is made of stainless steel, the surface of the stainless steel in the wetted part is surface-treated so as to be in a specific state, and the polycarbonate is manufactured by transesterification reaction. It was found to be extremely effective as a device. The present invention has been completed based on such findings. That is, the present invention
- a method for producing polycarbonate which comprises using, as a reaction apparatus, at least a heat-treated liquid-contacting part in the production of polycarbonate by a transesterification reaction.
- Polycarbonate produced by transesterification is characterized by using, as a reactor, at least a wetted part which has been subjected to a washing treatment with a carbonyl-containing compound. Manufacturing method of carbonate,
- R 3 is a hydrogen atom, an alkyl group or an aryl group, and A is an alkyl group And an alkenyl group.
- a method for producing a polycarbonate characterized by using a product subjected to a washing treatment with a hydroxyl group-containing compound represented by the formula:
- At least the liquid-contacting part is made of stainless steel and the surface of the liquid-contacting part is ⁇ XPS (X-ray photoelectron spectroscopy).
- D be the smallest spectral intensity in a spectrum in the range of 529.5 to 530.5 eV, and a spectrum in the range of 531.0 to 532.0 eV. If the largest-spectrum le strength Contact Keru Bae click preparative Le was D 2, poly Kabone preparative producing and wherein the this D 2 / ⁇ , the value is 1.5 or less,
- At least the liquid contact part is made of stainless steel, and Fe OOH, Cr OOH and Ni A polycarbonate production apparatus characterized by substantially no H component;
- At least the surface of the liquid contacting part in the polycarbonate manufacturing equipment whose liquid contacting part is made of stainless steel has FeOOH.CrOOH and NiOOH components on the surface.
- 1, 2, 3, 4, 5, and 6 correspond to Examples 12, 13, 14, Comparative 12, 13, and 14, respectively.
- 7, 8 and 9 are XPS surface analysis charts of a surface-treated stainless steel specimen in Example 15, Comparative Example 16 and Comparative Example 17, respectively. This is a chart showing the results of waveform separation in XPS surface analysis of a steel specimen.
- the method for producing a polycarbonate, the apparatus for producing a polycarbonate, and the surface treatment method for the apparatus for producing a polycarbonate of the present invention are all applied to the production of polycarbonate by a transesterification reaction.
- the method for producing a polycarbonate according to the present invention at the time of producing a polycarbonate by transesterification, at least at least a part of the liquid-contacting part was subjected to a heat treatment as a reactor. And (2) those subjected to a washing treatment with a carbonyl group-containing compound, or (3) those subjected to a washing treatment with a hydroxyl group-containing compound.
- the treatments (1) to (3) need not be performed on the whole as long as they are performed on the liquid-contacting part (contact part with the reactant) of the reactor.
- Inexpensive stainless steel is desirable as the material for the reactor, but non-ferrous materials such as tantalum, chromium, and nickel, or non-stainless steels such as monel, connector, and Hastelloy are preferred. You can use special materials. In addition, these materials need only be used for the liquid contact part of the reactor, and need not be used for the entire reactor.
- the above stainless steel is a steel material containing 10 to 30% by weight of chromium, and specific examples include SUS304, SUS304L, SUS309, and SUS31. 0, SUS 3 16 6. SUS 3 16 L etc. ⁇ Of course, limited to these It is not.
- the parts to be subjected to the above-mentioned processes (1) to (3) may be subjected to a polishing process such as a mechanical polishing such as a buff polishing or an electrolytic polishing, an acid cleaning or an alkaline cleaning or a cleaning process thereof before the cleaning process.
- a polishing process such as a mechanical polishing such as a buff polishing or an electrolytic polishing, an acid cleaning or an alkaline cleaning or a cleaning process thereof before the cleaning process.
- a conventionally known method is used. For example, by connecting an anode of direct current to the object to be polished and flowing an external current in the electrolyte facing the negative electrode, the unevenness of the object to be polished, particularly the convexities, is electrochemically dissolved.
- a polishing method is used.
- Electrolytic condition is not particularly limited, the current density in the range of 0. 1 ⁇ 3 0 0 A / ⁇ 2 is used in one crotch.
- buffing refers to the polishing specified in JISH 0400-1982, specifically emery powder having a specific particle size, or a mixture of oil and fat and polishing powder. This is a method of polishing by transferring to the circumference of a feather.
- the index of the surface roughness after polishing is specified in JISB06011-1970.
- acid washing is a method of immersing in a solution containing phosphoric acid, nitric acid, sulfuric acid, hydrofluoric acid, or the like as a main component at room temperature or under heating for a certain period of time, followed by washing with water and drying.
- alkaline washing is performed for a certain period of time at room temperature or under heating with a solution containing sodium hydroxide, potassium hydroxide, sodium carbonate, sodium hydrogencarbonate, etc. as a main component. After immersion, it is washed with water and dried.
- the heat treatment method (1) is not particularly limited, but may be, for example, 200 to 600 ° C. in air, preferably 300 to 500 ° C., and more preferably 4 to 500 ° C. It is advantageous to perform the heat treatment at a temperature in the range of 0 to 450 ° C for 10 minutes or more. This heat treatment is highly effective when used in combination with the above-mentioned electrolytic polishing. Good.
- polishing is performed using abrasive grains having a grain size corresponding to the finishing accuracy.Therefore, fine streaks of the abrasive grains are present on the entire polished surface, so that the actual surface area is small. The surface area reaches several times the geometrical apparent surface area, and metal fine powder is embedded in the concave portion of the abrasive grain streak in a wedge-like manner. These are mixed into the polymer and exert bad influence. However, it is difficult to obtain a polycarbonate having a desired quality.
- electropolishing the actual surface area of the polished surface is about 1.0 to 1.5 times the geometrical apparent surface area, almost equal, and the elemental composition of the surface is mechanically polished.
- the carbonyl group-containing compound used in the washing treatment of the above (2) is Although there is no particular limitation, various compounds can be used. For example, the compound represented by the general formula (I)
- R 1 and R 2 each represent a hydrogen atom, a hydroxyl group, an alkoxy group, an aryl quin group, an alkyl group, an alkyl group containing a carbonyl group, an aryl group, A carbonyl group-containing aryl group, an amino group or a substituted amino group, which may be the same or different, but R ′ and R 2 are not simultaneously a hydroxyl group; Ring structure May be formed.
- the alkyl group may be linear or branched, and may be, for example, a methyl group, an ethyl group, a propyl group.
- Alkyl groups having 1 to 20 carbon atoms such as butyl, pentyl, and hexyl.
- aryl include phenyl, naphthyl, and tri.
- alkoxy group include an alkoxy group having 1 to 20 carbon atoms corresponding to the above-mentioned alkyl group, and examples of the aryl-containing group include those corresponding to the above-mentioned aryl group.
- carbonyl-containing alkyl group examples include the above-mentioned alkyl groups having 1 to 20 carbon atoms containing one or more carboxy groups
- carbonyl-containing aryl group examples include: Examples of the above aryl group containing one or more carbonyl groups are mentioned.
- substituted amino group an amino group substituted with one or two of the above-mentioned alkyl group, a aryl group and the like can be mentioned.
- Examples of such a carbonyl group-containing compound represented by the single-arm type (I) include, for example, benzaldehyde; benzoic acid: 2,4-pentanedione; dimethyl carbonate; diphenyl carbonate; Enone; benzophenone; cyclohexanone: N.N-dimethylformamide; succinic acid imide; methylethylketone; methylisobutylketone; Can be
- Representative examples of such a substance include benzaldehyde; benzoic acid; 2,4-pentenion (acetylaceton).
- these carbonyl group-containing compounds are used alone. Alternatively, two or more kinds may be used in combination.
- the temperature of the washing treatment is not particularly limited, but the treatment is carried out at a temperature not lower than the melting point and lower than the boiling point of the carbonyl group-containing compound to be used, at a normal temperature or higher, preferably 100 or higher. However, this is advantageous in terms of processing effects.
- the washing treatment time is not particularly limited, but is preferably 10 minutes or more, particularly preferably 1 hour or more from the viewpoint of the treatment effect.
- the compound containing a hydroxyl group is a single-arm UI
- R 3 represents a hydrogen atom, an alkyl group or an aryl group.
- the alkyl group may be linear or branched, and may have 2 to 20 carbon atoms such as an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group.
- Preferred examples of the alkyl group include, for example, a phenyl group; a naphthyl group, a tolyl group, a xylinole group, a benzyl group, and a phenyl group.
- A represents an alkylene group or an alkenylene group
- the alkylene group includes a methylene group, an ethylene group, a propylene group, a butylene group, a pentylene group, a hexylene group, Octylene and decylene groups such as linear or branched alkylene groups having 1 to 10 carbon atoms are preferred.
- Alkylene groups include vinylene group and arylene group. Group, butenylene group, pentenylene group, hexenylene group, octenylene group
- a linear or branched C 2-10 alkylene group such as a decenylene group.
- Examples of such a one-branch ( ⁇ [)-containing compound containing a hydroxyl group include, for example, 1-hexanol, 1-hepanol, 2-octanol, and 1-hexanol.
- -Nano, 1-dodecanol, 1-tetradecanol, base Preference is given to benzyl alcohol.
- these hydroxy group-containing compounds may be used alone or in combination of two or more.
- the temperature of the washing treatment is not particularly limited. However, at a temperature within the range of the melting point or lower than the boiling point of the hydroxyl group-containing compound to be used, it is preferably at or above normal temperature.
- the treatment with 1 0 0 e c above temperature is advantageous in terms of treatment effect.
- the washing time is not particularly limited, but is preferably 10 minutes or more, and more preferably I hour or more from the viewpoint of the effect of the treatment.
- the present invention also provides an apparatus for producing polycarbonate by a transesterification reaction.
- At least the liquid-contact part is made of stainless steel, and when the surface of the liquid-contact part is XPS-fractionated by 529.5 or more, 530.5
- the smallest spectral intensity in the spectrum of $ S around 5 eV is D
- the largest spectral intensity in the spectrum in the range of 531.0 to 532.0 eV is D.
- D 2 is the D 2 ZD, the value of which is less than or equal to 1.5 (I)
- 2 at least the wetted part is made of stainless steel and the surface of the wetted part has F
- the present invention also provides a device ( ⁇ ) substantially free of eO ⁇ H, Cr rH and NiOOH components.
- the above apparatus is the whole or a part of the apparatus used for producing polycarbonate by transesterification.
- a typical example of such an apparatus is a reactor such as a vertical stirring tank or a horizontal stirring tank, or may be other piping, valves, raw material storage tanks, or the like. That is, in the process of producing polycarbonate by the ester exchange method, any device may be used as long as it has a portion where production raw materials, intermediates or products come into direct contact.
- the above-mentioned device is made of at least a liquid contact part or inexpensive stainless steel.
- stainless steel for example, SUS 304, SUS304L, SUS309, SUS310, SUS316, SUS316L and the like.
- the liquid contacting part that is, the part where the raw materials, intermediates or products of the polycarbonate are in contact with the inner surface of the device, was found to have a density of 529.5 to 530.5 eV in XPS surface analysis. where a range smallest-spectrum le strength Contact Keru to scan Bae-vector of the D, and then, the highest spectral intensity in spectral range of 531. 0 ⁇ 532. O e V was D 2, D 2 / , the value is 1.5 or less, preferably 1.2 or less, more preferably 0.9 or less.
- the spectrum intensity is the height (not the area) from the baseline to the waveform in the XPS spectrum chart.
- the baseline is created by the shear method.
- This spectral intensity ratio D 2 ZD is a comprehensive and accurate analysis of the shape characteristics of the spectrum waveform, which has a close correlation with the color tone and molecular weight of polycarbonate, and furthermore, the state of the inner surface of the device. This is what the present inventors have discovered.
- the ratio D 2 / ⁇ , the above scan Bae-vector strength, iron oxide F e x ⁇ in component distribution of the surface layer, associated with the presence ratio of F E_ ⁇ _ ⁇ _H main component group with respect to the main component group is of the nature, the Shiiko preferable the ratio is and the arrived even smaller Ri by a constant value, roughly speaking, compared to iron oxide F e x ⁇ y main component group, F E_ ⁇ _ ⁇ H principal component It means that the existence of the group is not good.
- the above device ( ⁇ ) has substantially no Fe ⁇ H, Cr00H and Ni00H components on the surface of the liquid contact part.
- This is based on the detailed analysis using a detailed XPS spectrum and the reference example 1 described below, which examined the relationship between the color tone and molecular weight of the polycarbonate obtained by the ester exchange method and the components of the stainless steel surface.
- Fig. 4 to 4 it was established as a result of research based on experiments on the addition of various iron oxides.
- a polycarbonate having a good color tone and a high molecular weight can be obtained by the aesthetic geometry exchange method.
- the confirmation that the FeOOH, Cr rH and NiOOH components are substantially absent is specifically performed by using the waveform separation of XPS surface diffraction. That is, when F e, Cr and N i are represented by M, in the waveform separation by XPS surface analysis, M ⁇ H spectral intensity (Mx ⁇ , spectral intensity + M 0 ⁇ ) If the H spectrum ratio is 0.4 or less, preferably 0.3 or less, and more preferably 0.2 or less, it is evaluated that there is substantially no MOOH. Thus, the object of the present invention can be achieved.
- each of the spectrum intensities is obtained by dividing the waveform. The area that these peaks have.
- a waveform chart obtained by converting the baseline to the X-axis is usually used, and the area enclosed by the X-axis and each separated waveform chart is calculated. Calculate by normal distribution curve approximation and use as the respective vector intensities.
- the evaluation method based on the above-mentioned strength ratio is practically the F e O OH component on the surface of the wetted part.
- the presence or absence, F e x 0, can also this that confirms the relative amounts of the components. in other words, if the presence of F e O OH component F e 0, not observed substantially in comparison with the component, As described in Reference Examples 1 to 4 below, the presence of the Fe ⁇ 0H component in the polymerization reaction system is considered to be detrimental to increasing the molecular weight of the polycarbonate.
- a heat treatment by an electric furnace or a heat treatment by flame treatment of a movable and simple burner is particularly advantageous.
- the heating is usually performed for about 0.5 to 2 hours with the surface temperature of the object to be heated being 200 to 600.
- the purpose of the surface treatment is to remove compounds such as Fe ⁇ H from the stainless steel surface, and this heat treatment is effective in that Fe 0 OH becomes Fe 2 0 3 by heating. It is deduced from the fact that it decomposes into water (Chemical Encyclopedia, Volume 5, published by Kyoritsu Shuppan).
- the production of polycarbonate by the transesterification reaction in the present invention is carried out in a reaction apparatus in which at least the liquid-contacting portion is treated, preferably a reaction device in which at least the liquid-contacting portion is made of stainless steel.
- the transesterification reaction is carried out using an apparatus and a raw material that is used for the production of polycarbonate by a normal ester exchange method.
- a dihydroxy compound as the (A) component for example, in a transesterification reaction, 1) a dihydroxy compound as the (A) component, a diester carbonate as the (B) component, and 2) a diester of the dihydroxy compound and the (B) component as the (A) component.
- a dihydroxy compound is preferably used as the component (A) and a diester carbonate is preferably used as the component (B).
- the dihydroxy compound of the component (A) preferably used for the transesterification reaction includes, for example, an aromatic dihydroxy compound and an aliphatic dihydroxy compound, and at least one selected from these. It is a kind of compound.
- Aromatic dihydroxy compound used as one of the components (A) O 96/31553 has the general formula (
- R and R 5 are each a halogen atom of fluorine, chlorine, bromine, or iodine or an alkyl group having 1 to 8 carbon atoms, for example, a methyl group, an ethyl group, an n-propyl group, Shows isopropyl, n-butyl, isobutyl, sec-butyl, t-butyl, pentyl, hexyl, cyclohexyl, hexyl, octyl, etc.
- R 4 and R 5 may be very the same or different. In the case of R 4 there is more than one multiple!
- a plurality of R 5 when the R 5 there is more than one may be the same or different.
- m and n are each an integer of 0-4.
- Z is a single bond.
- An alkylene group having 1 to 8 carbon atoms, an alkylidene group having 2 to 8 carbon atoms, a cycloalkylene group having 5 to 15 carbon atoms, and a cycloalkylene group having 5 to 15 carbon atoms Loalkylidene group, or one S—, —SO—, —S 02—, one-one, —C-one bond or formula (IV), (IV), (IV
- alkylidene group examples include a methylene group, an ethylene group, a propylene group, a butylene group, a pentylene group, a hexylene group, an ethylidene group
- isopropylidene group examples include cycloalkylene groups having 515 carbon atoms
- cycloalkylidene groups having 515 carbon atoms include, for example, cyclopentylene group and cycloalkylene group. Examples include a hexylene group, a cyclopentylidene group, and a cyclohexylidene group.
- aromatic dihydroxy compound represented by the general formula (III) for example, bis (4-hydroxyphenyl) methane; bis (3-methyl-4--4-hydroxyphenyl) methane; Bis (3-Black 4-Hydroxifene) methane; Bis (3,5-Jib mouth m 4-Hydro--Nishif e 2 ge) methane; 1, 1-Bis (4 -Hydroxyphenyl) ethane; 1,1-bis (2-t-butyl-4-hydroxy-3) -methylphenyl) ethane: 1-Fe-bis- (3-fluoro-) 4—Hydroxie 3—Methyl phenyl) ethane; 2,2—Bis (4—Hydroquinephenyl) propane (commonly known as bisphenol A): 2,2—Bis (3—Methyl 1 4 1 Hydroxyphenyl) pun; 2,2—bis (2 2,4-bis (3,5-dimethyl-1-hydroxy-4-phenyl
- aromatic dihydroxy compound other than the general formula (() examples include dihydroxybenzenes, halogen and alkyl-substituted dihydroxybenzenes.
- lebrucin 3—methyl resorcin, 3—ethyl resorcin, 3—propyl resorcin, 3—butyl resorcin, 3—t-butyl resorcin, 3—t-butyl resorcin, 3—phenylene Le Rezorcin, 3 — Kuminore Zorcin; 2,3,4,6—Tetrafluororesorcin: 2,3,46—Tetrabromoresorcin; Catechol, idroquinone, 3—Methylhydroquinone, 3—Ethylnoy Droquinone, 3—Propylhydroquinone, 3—Butylhydroquinone, 3—T-butylnoidroquinone,
- aliphatic dihydroxy compounds used as one of the components (A).
- the dihydroxy compound as the component (A) is selected from the group consisting of one or more of the above-mentioned compounds. It is preferable to use bisphenol A, which is a hydroxy compound.
- polyester carbonate used as the component (B). For example, it is at least one compound selected from diaryl carbonate compounds, dialkyl carbonate compounds or alkyl carbonate compounds.
- the diallyl carbonate compound used as one of the components (B) has the general formula (V)
- Ar ′ and Ar 2 each represent an aryl group, which may be the same or different.
- Ar 3 and Ar 4 each represent an aryl group, and they may be the same or different, and D ′ represents two hydroxyl groups from the aromatic dihydroxy compound. The residue is shown.
- the dialkyl carbonate compound has the general formula
- R 6 and R 7 each represent an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 4 to 7 carbon atoms, which may be the same or different.
- R 8 and R 9 each represent an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 4 to 7 carbon atoms, which may be the same or different, and D 2 Represents a residue obtained by removing two hydroxyl groups from the aromatic dihydroquine compound.
- the alkyl aryl carbonate compound has the general formula (IX)
- Ar 5 represents an aryl group
- R 1G represents an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 4 to 7 carbon atoms.
- Ar 6 is an aryl group
- R 11 is an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 4 to 7 carbon atoms
- D 3 is the above aromatic dihydroxy compound. Indicates the residue obtained by removing two hydroxyl groups from the product.
- diaryl carbonate compounds include, for example, diphenyl carbonate, ditrinocarbonate, bis (clo-closed phenyl) carbonate, bis (M—Cresil) Carbonate, Ginaphthyl Carbonate , Bis (diphenyl) carbonate, bisphenol and bisphenyl carbonate.
- dialkyl carbonate compound examples include getyl carbonate, dimethyl carbonate, dibutyl carbonate, dicyclohexyl carbonate, and bisphenol A bismethyl carbonate.
- alkyl carbonate compound examples include methyl phenyl carbonate, ethyl phenyl carbonate, butyl phenyl carbonate, cyclohexyl phenyl carbonate, and bisphenol A methyl phenyl carbonate.
- one or two or more of the above compounds are appropriately selected and used as the carbonate diester of the component (B), and among these, diphenyl carbonate is used. Is preferred.
- examples of the raw material other than the dihydroxy compound and the carbonic acid diester used in the present invention include the following.
- diesters of dihydroxy compounds include, for example, diacetate of bisphenol A, dipropionate of bisphenol A, and dibutylate of bisphenol A. And dibenzoic acid esters of bisphenol A.
- dicarbonates of the dihydroquine compound examples include bismethyl carbonate of bisphenol A, bisphenol carbonate of bisphenol A, and bisphenyl carbonate of bisphenol A. Esters can be mentioned.
- Examples of the monocarbonates of the dihydroquine compound include, for example, bisphenol A monomethyl carbonate, bisphenol A monoethyl carbonate and bisphenol A monoprote. Pill carbonate , Bisphenol A monophenyl carbonate and the like.
- a terminal terminator can be used if necessary.
- the terminal terminator include 0-n-butylphenol m-n-butynolephenol; p-n-butynolephenol; 0-isobutylphenol; m-a O-t-Butylphenol: m-t-Butylphenol; p-t-Butylphenol; 0-n-pentylphenol -N-pentynolepheno; p-n-pentynolepheno; 0-n -hexylenole: m-n-hexylphene P—n—hexyl phenol; 0—cyclohexyl phenol; m—cyclohexyl phy; ⁇ —cyclohexyl phenol Eno-nore; 0-phenyl-ino; m-phenyl : ⁇ -Fininolef enol; 0 — ⁇ — Noninolef
- phenols there is no particular limitation in the present invention, and p-t-butyl phenol, p-cuminolephenol, and P-phenyl phenol are preferred.
- R 12 represents an alkyl group having 1 to 12 carbon atoms
- k is an integer of 1 to 3.
- a compound represented by the following formula can also be used.
- fluoroglucin trimellitic acid
- 1,1,1-tris (4-hydroxyphenyl) ene
- a, a ', hy- Tris (4-hydroquinphenyl) -1,3,5-triisopropylpropylbenzene
- isatin bis (0-tarebour)
- a known catalyst such as an inorganic basic compound or an organic basic compound can be used to promote the transesterification reaction, if necessary.
- the inorganic basic compound include simple substances of alkali metal or alkaline earth metal, oxides, hydroxides, amide compounds, alcoholates, and phenols.
- basic metal oxides such as ZnO, PbO, and Sb0, organic titanium compounds, and soluble Examples include cancer compounds and acetates such as Ca, g, Zn, Pb, Sn, Mn, Cd, and Co.
- organic basic compounds for example, trimethylamine, triethylamine, tripropylamine, tributylamine, tripentylamine, trihexylamine
- Tertiary amine compounds such as aliphatic and dimethylbenzilamine, aromatic tertiary amine compounds such as triphenylamine, N, N-dimethyl-4-amino Viridine, 4-Jetylaminopyridine, 4—Pyrrolidinopyridine, 41 Aminoviridine, 2—Aminobiridin, 2—Hydroxyviridine, 4 -Hydroxypyridin, 2-Methoxypyridin, 4-Methoxypyridin, Imidazo, 2-Methylimidabour, 4_Methylimidable, 2-Di Methylaminomidazole, 2 — Dabul, 2 — Nitrogen-containing heterocyclic compounds such as melcaptoimidazole, aminoquinoline, diazabicyclooctan
- Ammonium hydroxides tetramethylammonium borohydride, tetrabutylammonium borohydride, tetrabutylammonium tetraphenylborate, tetrate Basic salts, such as lamethamyl ammonium tetraphosphate, and others 7 — methyl chloride 5, 7, Azabicyclo [4.4.0] dec 5 -ene (MT BD); 1,8-diazabin cro [5.4.0] ⁇ 7 -ene (DBU) And the like.
- MT BD Azabicyclo [4.4.0] dec 5 -ene
- DBU 1,8-diazabin cro [5.4.0] ⁇ 7 -ene
- trihequinamine and tetramethylamine are used because of their high catalytic activity and easy removal by vacuum melting.
- Preferred are ammonium hydroxide, tetrabutylammonium hydroxide, and dimethylamino pyridine.
- transesterification catalysts include boron such as boric acid, trimethyl borate, triethyl borate, triptyl borate, triheptyl borate, triphenyl borate, and trinaphthyl borate. Compounds can also be used.
- each of the above-mentioned catalysts may be used alone or in combination of two or more.
- the amount of the catalyst used is usually 1 ⁇ with respect to 1 mole of the dihydroxy compound as the raw material. 1 0 - 2 ⁇ 1 X 1 0 - 8 selected by mols. This usage is 1 X 1 0 - 8 is less than the molar might not be sufficiently exhibited or catalytic effect, 1 X 1 0 - poly Kabone DOO properties obtained exceeds 2 mol, particularly heat resistance Ya hydrolysis resistance And may lead to cost reduction, which is not desirable.
- the diester carbonate is 0.9 to 1.5 times the mol of the dihydroxy compound.
- the ester exchange reaction is carried out at a ratio of preferably 0.95 to 1.25 times mol, more preferably 0 to 1.2 times mol.
- the amount of the terminal terminator comprising the monovalent phenol or the like is 0.05 to 10 mol based on the dihydroxy compound as the component (A).
- % Polycarbonate can be obtained if it is within% Since the hydroxyl terminal of the net is sealed, a polycarbonate having sufficiently excellent heat resistance and water resistance can be obtained.
- the terminal terminating agent comprising the above monovalent phenol X may be added in advance to the reaction system in its entirety. Alternatively, a part may be added to the reaction system in advance, and the remainder may be added as the reaction proceeds. Further, in some cases, the whole amount may be added to the reaction system after the transesterification reaction between the dihydroxy compound of the component (A) and the carbonic acid diester of the component (B) partially proceeds.
- the reaction temperature is not particularly limited and is usually selected in the range of 100 to 350 ° C. If the temperature of this transesterification reaction is lower than 100 ° C, the reaction rate becomes slow, while if it is higher than 350 ° C, there are problems such as side reactions occurring or the resulting polycarbonate being colored. Occurs and is not preferred.
- the preferred reaction temperature is in the range of 180 to 330 in view of the reaction rate, suppression of side reactions, and the quality of polycarbonate, and the preferred range is 180 to 330 as the reaction progresses. A method of increasing the temperature to 00 ° C is preferable.
- the reaction pressure is set according to the vapor pressure of the monomer used and the reaction temperature. This is not limited as long as the reaction is set to be performed efficiently. Usually, at the beginning of the reaction, the atmospheric pressure (normal pressure) up to 1 to 50 atm (760 to 380 torr) or at a pressurized state, and in the late stage of the reaction, the pressure is reduced. Often the state, and preferably the final, is between 0.01 and 10 torr.
- reaction time may be set to a target molecular weight, and is usually about 0.2 to 9 hours.
- the transesterification reaction is usually carried out in the absence of an inert solvent, and, if necessary, from 1 to 150 of the obtained polycarbonate.
- the reaction may be carried out in the presence of 096 / 31SS3% by weight of an inert solvent.
- the inert solvent include aromatic compounds such as diphenyl ether, halogenated diphenyl ether, benzophenone, polyphenyl ether, dichlorobenzene, and methylnaphthalene. Cycloalkanes such as tricyclo (5,2,10) decane, cyclooctane and cyclodecane.
- the reaction may be performed in an inert gas atmosphere, if necessary.
- examples of the inert gas include gases such as argon, carbon dioxide, nitrous oxide, and nitrogen; Examples include various types of hydrocarbons, alkanes such as propane and propane, and algens such as ethylene-propylene.
- an antioxidant may be added to the reaction system as needed.
- a phosphorus-based antioxidant is preferred, and for example, trimethyl phosphite, triethyl phosphite, tributyl phosphite, trioctyl phosphite , Trinonyl phosphite, tridecyl phosphite, trioctadecyl phosphite 7 ita, distearyl pen, estil diphosphite, tris (2-chloroethyl ) Phosphites, tris (2,3-dichloropropyl) phosphites and other trialkyl phosphites; tricyclohexyl phosphites Which tricycloalkyl phosphites; triphenyl phosphite, tricresyl phosphite, tris (ethylhexyl) phosphite, tri
- Trialkyl phosphates tricycloalkyl phosphates such as tricyclohexyl phosphate; triphenyl phosphate, tricresyl phosphate, tris (nonylphenyl) phosphate , 2-triethyl phenyl diphenyl phosphate and other triaryl phosphates.
- the reaction proceeds, the phenols, alcohols, or their esters and the inert solvent corresponding to the used carbonate ester are desorbed from the reactor. . These eliminations can be separated, purified and used for recycling, and it is preferable to have a facility for removing them.
- the transesterification can be carried out batchwise or continuously.
- the reaction is performed in a continuous manner, it is preferable to use at least two or more reactors and set the above reaction conditions.
- the structure of the reactor used in the present invention is not particularly limited, as long as it has a normal stirring function. However, since the viscosity increases in the latter stage of the reaction, those having a high-viscosity stirring function are preferred. Further, the shape of the reaction apparatus is not limited to a tank type, and may be an extruder type reactor or the like.
- the polycarbonate obtained as described above may be granulated as it is, or may be formed using an extruder or the like.
- the thus obtained polycarbonate may be used by mixing known additives such as plasticizers, pigments, lubricants, release agents, stabilizers, and inorganic fillers. Can be.
- the resulting polycarbonate is made of polyolefin, polystyrene. It can be blended with polymers such as len, polyester, polysulfonate, polyamide, and polyphenylene ether.
- polymers such as len, polyester, polysulfonate, polyamide, and polyphenylene ether.
- polyphenylene ether, polyether nitrile, terminal-modified polysiloxane compound, modified polybromovirene, modified polystyrene having a terminal group such as 0 H group, COOH group, or NH 2 group It is effective when used in combination with other components.
- the parts in contact with the reactants were treated as shown in Table 1 and had a volume of 100 milliliters.
- the mixture was heated to 180 ° C., reacted for 30 minutes in an argon atmosphere, and then heated to 210 ° C., gradually increasing the degree of vacuum to 10 O mm Hg, and Allowed to react for minutes. Further, the temperature was raised to 240 ° C, and the reaction was performed by gradually increasing the degree of vacuum to 1 OmmHg, and then raised to 270 ° C and raising the degree of vacuum to 2 mmHg. After the reaction was performed for 0 minutes, the reaction was performed at a degree of vacuum of 0.3 mmHg for 30 minutes to complete the reaction.
- Example 1 The treatment was performed in the same manner as in Example 1 using a 100-milliliter SUS304 autoclave with a stirrer with an internal volume of 100 milliliters, which was subjected to the treatment shown in Table 1 in the area of contact with the reactants. .
- the results are shown in Table 1.
- the treatment shown in Table 2 is applied to the contact part (liquid contact part) with the reactant.
- the mixture was heated to 1 S0, allowed to react for 30 minutes in an atmosphere of the atmosphere, and then heated to about 210 ° C and gradually increased in vacuum to 10 CmmHg. 30 minutes anti! I let it. Further, the temperature was raised to 240, and the degree of vacuum gradually increased. To 1 O mmHg, then raise the temperature to 270 ° C, raise the degree of vacuum to 2 mmHg, react for 30 minutes, and then at 0.3 mmHg for 30 minutes. The reaction was terminated.
- the obtained polycarbonate was press-molded at 280, and YI was measured with a power meter SM-3 manufactured by Suga Test Instruments Co., Ltd. in accordance with JISK 7103-77. Further, the viscosity average molecular weight (Mv) of this polymer was measured in the same manner as in Example 1. The results are shown in Table 2.
- Example 2 In the same manner as in Example 4, using a stainless steel SUS304 with an internal volume of 100 milliliters with a stirrer, the treatment shown in Table 2 was applied to the contact portion with the reactant. Carried out. The results are shown in Table 2.
- Example 2 Conducted in the same manner as in Example 4 using a 100-milliliter SUS316 stainless steel autoclave with a stirrer with a treatment shown in Table 2 in the area of contact with the reactants. did. The results are shown in Table 2.
- Example 7 The treatment was carried out in the same manner as in Example 7 using a 100-milliliter SUS316 stainless steel autoclave with a stirrer having a treatment shown in Table 3 in the area of contact with the reactants. . Table 3 shows the results. The color tone of the polymer was visually observed. Further, for reference, the data of Comparative Example 1 (however, the color tone of the polymer was visually observed) are also shown.
- a thin plate of SUS 3 16 (10 mm x 10 mm x 0.25 mm) was used as a test piece, which was heated in an electric furnace at a surface temperature of 450 ° C for 1 hour.
- XPS surface analysis was performed on the surface-treated test piece to determine a spectral intensity value D 2 / D. That is, the XPS surface analyzer has the smallest spectrum in the spectrum in the range of 529.5 to 530.5 eV. The ratio D 2 / ⁇ , of the largest spectral intensity D 2 in the spectrum in the range of 531.0 to 532.0 eV with respect to the torque intensity was determined. This D 2 / D, was 0.55. The spectral intensity was the height from the baseline to the waveform on the spectral chart. Figure 1 shows the XPS surface folding chart. Table 4 shows the results.
- the mixture was heated to 180 ° C and reacted for 30 minutes under an argon atmosphere. Then, the temperature was raised to 210 ° C, the degree of vacuum was gradually raised to 100 mmHg, and the reaction was performed.The temperature was further raised to 240 ° C, and the degree of vacuum was gradually increased to 10 mm. The reaction was raised to Hg. Next, the temperature was raised to 270 ° C, the degree of vacuum was raised to 2 mmHg, and the reaction was performed for 30 minutes.Then, the reaction was completed for 30 minutes with the degree of vacuum set to 0.3 mmHg, and the reaction was completed. .
- Examples 13 and 14 SUS316 and SUS310 thin plates (1 O mm xi 0 mm x 0.25 mm) were used as test pieces, respectively, and were heat-treated in an electric furnace at a surface temperature of 300 for 1 hour. XPS surface analysis was performed in the same manner as in Example 12 to determine the value of D 2 / D ,.
- Example 12 Next, using SUS316 and 310 specimens (5 mm x 300 mm x 0.25 mm) surface-treated under the same conditions as above, the same procedure as in Example 12 was carried out. To manufacture and evaluate polycarbonate.
- Example 12 Next, using a SUS316 specimen (5 mm x 300 mm x 0.25 mm) surface-treated under the same conditions as above, the same procedure as in Example 12 was carried out to produce a polycarbonate. , evaluated. The results are shown in Table 4. XPS surface analysis charts are shown in FIG. 4 (Comparative Example I2), FIG. 5 (Comparative Example 13), and FIG. 6 (Comparative Example 14). In addition, the color tone of the resin that could not be molded was visually evaluated.
- Figure 8 shows the results of waveform separation in XPS surface analysis.
- the ratio of the area of the peak (b) to the sum of the areas of the peak (a) and the peak (b) was 45.9%.
- Example 15 evaluation was performed on a test piece of SUS316 subjected to surface treatment by phenol cleaning in Comparative Example 14 by XPS surface analysis.
- Figure 9 shows the results of waveform separation in XPS surface analysis.
- the ratio of the area of the peak (b) to the sum of the areas of the peak (a) and the peak (b) was 43.7%. This indicates that most of the SUS surface is still covered with Fe ⁇ ⁇ ⁇ H. Also, it appears at 532.4 eV in the spectrum, which is thought to be phenol adhering or remaining on the surface. From this, it was observed that phenol washing slightly improved the color tone and increased the molecular weight. This is probably due to the formation of some film of phenol on the SUS surface.
- the mixture was heated to 180 ° C and reacted for 30 minutes under an argon atmosphere. Then, the temperature was raised to 210, the degree of vacuum was gradually raised to 100 mmHg, and the reaction was carried out for 30 minutes.The temperature was further raised to 240, and the degree of vacuum was gradually increased to 10 mm. The reaction was raised to Hg. Then, the temperature was raised to 270 ° C, the degree of vacuum was raised to 2 mmHg, and the reaction was carried out for 30 minutes. .
- Table 5 clearly shows that the molecular weight of polycarbonate is not significantly increased when Fe eH is present, as compared with the presence of other iron oxides.
- the liquid-contacting portion is subjected to a surface treatment, whereby Polycarbonate with good color and high molecular weight can be easily obtained.
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- Health & Medical Sciences (AREA)
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- Polyesters Or Polycarbonates (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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DE69636336T DE69636336T2 (de) | 1995-04-06 | 1996-04-04 | Verfahren und vorrichtung zur herstellung von polycarbonat und verfahren zur oberflächenbehandlung dieser vorrichtung |
EP96908343A EP0819717B1 (en) | 1995-04-06 | 1996-04-04 | Process and apparatus for preparing polycarbonate and method for surface treatment of said apparatus |
Applications Claiming Priority (4)
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JP08096495A JP3580324B2 (ja) | 1995-04-06 | 1995-04-06 | ポリカーボネートの製造方法 |
JP7/80964 | 1995-04-06 | ||
JP17500895A JPH0925340A (ja) | 1995-07-11 | 1995-07-11 | ポリカーボネートの製造方法 |
JP7/175008 | 1995-07-11 |
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WO1996031553A1 true WO1996031553A1 (fr) | 1996-10-10 |
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PCT/JP1996/000925 WO1996031553A1 (fr) | 1995-04-06 | 1996-04-04 | Procede et appareil pour preparer du polycarbonate et methode de traitement de surface dudit appareil |
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EP (1) | EP0819717B1 (ja) |
DE (1) | DE69636336T2 (ja) |
ES (1) | ES2268702T3 (ja) |
WO (1) | WO1996031553A1 (ja) |
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US6323302B1 (en) | 1998-04-27 | 2001-11-27 | Teijin Limited | Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof |
US6562936B1 (en) | 1999-07-06 | 2003-05-13 | Teijin Limited | Apparatus and method for producing resin |
US6525171B2 (en) | 2001-10-04 | 2003-02-25 | Teijin Limited | Process for producing a polycarbonate and method of cleaning a production unit |
EP1300432A1 (en) * | 2001-10-04 | 2003-04-09 | Teijin Limited | Process for producing a polycarbonate and method of cleaning a production unit |
US7365149B2 (en) | 2005-12-12 | 2008-04-29 | Hans-Peter Brack | Equipment cleaning in the manufacture of polycarbonates |
DE102009059990A1 (de) * | 2009-12-22 | 2011-07-07 | Bayer MaterialScience AG, 51373 | Verfahren zur Vorrichtung zur Herstellung von Polycarbonat |
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JPH04332725A (ja) * | 1991-05-08 | 1992-11-19 | Daicel Chem Ind Ltd | ポリカーボネートの製造法 |
JPH0656984A (ja) * | 1992-08-07 | 1994-03-01 | Asahi Chem Ind Co Ltd | 芳香族ポリカーボネートの製法 |
JPH06200008A (ja) * | 1992-12-28 | 1994-07-19 | Mitsubishi Gas Chem Co Inc | ポリカーボネートの製造法 |
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US5434227A (en) * | 1991-05-08 | 1995-07-18 | Daicel Chemical Industries, Ltd. | Process for producing polycarbonate |
DE69422096T2 (de) * | 1993-07-22 | 2000-08-24 | Mitsubishi Gas Chemical Co., Inc. | Verfahren zur Herstellung von Polycarbonate |
-
1996
- 1996-04-04 WO PCT/JP1996/000925 patent/WO1996031553A1/ja active IP Right Grant
- 1996-04-04 DE DE69636336T patent/DE69636336T2/de not_active Expired - Lifetime
- 1996-04-04 EP EP96908343A patent/EP0819717B1/en not_active Expired - Lifetime
- 1996-04-04 ES ES96908343T patent/ES2268702T3/es not_active Expired - Lifetime
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JPH04332725A (ja) * | 1991-05-08 | 1992-11-19 | Daicel Chem Ind Ltd | ポリカーボネートの製造法 |
JPH0656984A (ja) * | 1992-08-07 | 1994-03-01 | Asahi Chem Ind Co Ltd | 芳香族ポリカーボネートの製法 |
JPH06200008A (ja) * | 1992-12-28 | 1994-07-19 | Mitsubishi Gas Chem Co Inc | ポリカーボネートの製造法 |
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EP0819717A1 (en) | 1998-01-21 |
DE69636336T2 (de) | 2006-11-16 |
EP0819717A4 (en) | 2001-09-12 |
EP0819717B1 (en) | 2006-07-12 |
ES2268702T3 (es) | 2007-03-16 |
DE69636336D1 (de) | 2006-08-24 |
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