WO1996001184A1 - Stratifie multicouche et utilisation - Google Patents
Stratifie multicouche et utilisationInfo
- Publication number
- WO1996001184A1 WO1996001184A1 PCT/JP1995/001331 JP9501331W WO9601184A1 WO 1996001184 A1 WO1996001184 A1 WO 1996001184A1 JP 9501331 W JP9501331 W JP 9501331W WO 9601184 A1 WO9601184 A1 WO 9601184A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- multilayer laminate
- cyclic
- ethylene
- copolymer
- Prior art date
Links
- 239000005977 Ethylene Substances 0.000 claims abstract description 56
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229920005989 resin Polymers 0.000 claims abstract description 55
- 239000011347 resin Substances 0.000 claims abstract description 55
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000001301 oxygen Substances 0.000 claims abstract description 42
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 42
- 230000035699 permeability Effects 0.000 claims abstract description 39
- 229920000642 polymer Polymers 0.000 claims abstract description 31
- 229920005604 random copolymer Polymers 0.000 claims abstract description 29
- 229920001577 copolymer Polymers 0.000 claims abstract description 28
- 229920000098 polyolefin Polymers 0.000 claims abstract description 26
- 239000011342 resin composition Substances 0.000 claims abstract description 16
- -1 cyclic olefin Chemical class 0.000 claims description 82
- 125000004122 cyclic group Chemical group 0.000 claims description 49
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 48
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 23
- 150000002430 hydrocarbons Chemical group 0.000 claims description 12
- 239000005022 packaging material Substances 0.000 claims description 12
- 125000005843 halogen group Chemical group 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- 150000001336 alkenes Chemical class 0.000 claims description 9
- 125000003367 polycyclic group Chemical group 0.000 claims description 9
- 125000004429 atom Chemical group 0.000 claims description 7
- 125000002950 monocyclic group Chemical group 0.000 claims description 7
- 125000001118 alkylidene group Chemical group 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 3
- 239000012611 container material Substances 0.000 claims 3
- 239000005003 food packaging material Substances 0.000 claims 1
- 150000001925 cycloalkenes Chemical class 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- XBFJAVXCNXDMBH-UHFFFAOYSA-N tetracyclo[6.2.1.1(3,6).0(2,7)]dodec-4-ene Chemical compound C1C(C23)C=CC1C3C1CC2CC1 XBFJAVXCNXDMBH-UHFFFAOYSA-N 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 68
- 229920005672 polyolefin resin Polymers 0.000 description 27
- 239000007789 gas Substances 0.000 description 20
- 230000004888 barrier function Effects 0.000 description 19
- 125000004432 carbon atom Chemical group C* 0.000 description 19
- 238000000034 method Methods 0.000 description 19
- OTTZHAVKAVGASB-UHFFFAOYSA-N hept-2-ene Chemical class CCCCC=CC OTTZHAVKAVGASB-UHFFFAOYSA-N 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 16
- 239000004698 Polyethylene Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 229920000573 polyethylene Polymers 0.000 description 12
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 11
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1 -dodecene Natural products CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 10
- 125000000217 alkyl group Chemical group 0.000 description 10
- 239000004711 α-olefin Substances 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 9
- 235000014113 dietary fatty acids Nutrition 0.000 description 9
- 239000000194 fatty acid Substances 0.000 description 9
- 229930195729 fatty acid Natural products 0.000 description 9
- 238000000465 moulding Methods 0.000 description 9
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 8
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 8
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 8
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 8
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 7
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 7
- 229920002292 Nylon 6 Polymers 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
- 150000005846 sugar alcohols Polymers 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 125000000753 cycloalkyl group Chemical group 0.000 description 6
- 229940069096 dodecene Drugs 0.000 description 6
- 235000013305 food Nutrition 0.000 description 6
- 229920001519 homopolymer Polymers 0.000 description 6
- VAMFXQBUQXONLZ-UHFFFAOYSA-N icos-1-ene Chemical compound CCCCCCCCCCCCCCCCCCC=C VAMFXQBUQXONLZ-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 150000001735 carboxylic acids Chemical class 0.000 description 5
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 5
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- XWJBRBSPAODJER-UHFFFAOYSA-N 1,7-octadiene Chemical compound C=CCCCCC=C XWJBRBSPAODJER-UHFFFAOYSA-N 0.000 description 4
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 4
- OLGHJTHQWQKJQQ-UHFFFAOYSA-N 3-ethylhex-1-ene Chemical compound CCCC(CC)C=C OLGHJTHQWQKJQQ-UHFFFAOYSA-N 0.000 description 4
- YPVPQMCSLFDIKA-UHFFFAOYSA-N 3-ethylpent-1-ene Chemical compound CCC(CC)C=C YPVPQMCSLFDIKA-UHFFFAOYSA-N 0.000 description 4
- LDTAOIUHUHHCMU-UHFFFAOYSA-N 3-methylpent-1-ene Chemical compound CCC(C)C=C LDTAOIUHUHHCMU-UHFFFAOYSA-N 0.000 description 4
- SUJVAMIXNUAJEY-UHFFFAOYSA-N 4,4-dimethylhex-1-ene Chemical compound CCC(C)(C)CC=C SUJVAMIXNUAJEY-UHFFFAOYSA-N 0.000 description 4
- KLCNJIQZXOQYTE-UHFFFAOYSA-N 4,4-dimethylpent-1-ene Chemical compound CC(C)(C)CC=C KLCNJIQZXOQYTE-UHFFFAOYSA-N 0.000 description 4
- SUWJESCICIOQHO-UHFFFAOYSA-N 4-methylhex-1-ene Chemical compound CCC(C)CC=C SUWJESCICIOQHO-UHFFFAOYSA-N 0.000 description 4
- 229920000298 Cellophane Polymers 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 4
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 150000002848 norbornenes Chemical class 0.000 description 4
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 4
- 229920002239 polyacrylonitrile Polymers 0.000 description 4
- YHQXBTXEYZIYOV-UHFFFAOYSA-N 3-methylbut-1-ene Chemical compound CC(C)C=C YHQXBTXEYZIYOV-UHFFFAOYSA-N 0.000 description 3
- OPMUAJRVOWSBTP-UHFFFAOYSA-N 4-ethyl-1-hexene Chemical compound CCC(CC)CC=C OPMUAJRVOWSBTP-UHFFFAOYSA-N 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000013032 Hydrocarbon resin Substances 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 125000002723 alicyclic group Chemical group 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 229920006270 hydrocarbon resin Polymers 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 3
- 239000002530 phenolic antioxidant Substances 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- JBVMSEMQJGGOFR-FNORWQNLSA-N (4e)-4-methylhexa-1,4-diene Chemical compound C\C=C(/C)CC=C JBVMSEMQJGGOFR-FNORWQNLSA-N 0.000 description 2
- PRBHEGAFLDMLAL-GQCTYLIASA-N (4e)-hexa-1,4-diene Chemical compound C\C=C\CC=C PRBHEGAFLDMLAL-GQCTYLIASA-N 0.000 description 2
- 229940106006 1-eicosene Drugs 0.000 description 2
- FIKTURVKRGQNQD-UHFFFAOYSA-N 1-eicosene Natural products CCCCCCCCCCCCCCCCCC=CC(O)=O FIKTURVKRGQNQD-UHFFFAOYSA-N 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- JOVGLRSLWFSVNB-UHFFFAOYSA-N 3,4-dimethylcyclopentene Chemical compound CC1CC=CC1C JOVGLRSLWFSVNB-UHFFFAOYSA-N 0.000 description 2
- UZPWKTCMUADILM-UHFFFAOYSA-N 3-methylcyclohexene Chemical compound CC1CCCC=C1 UZPWKTCMUADILM-UHFFFAOYSA-N 0.000 description 2
- YOIUGOIMAYHZFY-UHFFFAOYSA-N 5-(2-methylpropyl)bicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(CC(C)C)CC1C=C2 YOIUGOIMAYHZFY-UHFFFAOYSA-N 0.000 description 2
- YSWATWCBYRBYBO-UHFFFAOYSA-N 5-butylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(CCCC)CC1C=C2 YSWATWCBYRBYBO-UHFFFAOYSA-N 0.000 description 2
- INYHZQLKOKTDAI-UHFFFAOYSA-N 5-ethenylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C=C)CC1C=C2 INYHZQLKOKTDAI-UHFFFAOYSA-N 0.000 description 2
- QHJIJNGGGLNBNJ-UHFFFAOYSA-N 5-ethylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(CC)CC1C=C2 QHJIJNGGGLNBNJ-UHFFFAOYSA-N 0.000 description 2
- PCBPVYHMZBWMAZ-UHFFFAOYSA-N 5-methylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C)CC1C=C2 PCBPVYHMZBWMAZ-UHFFFAOYSA-N 0.000 description 2
- VSQLAQKFRFTMNS-UHFFFAOYSA-N 5-methylhexa-1,4-diene Chemical compound CC(C)=CCC=C VSQLAQKFRFTMNS-UHFFFAOYSA-N 0.000 description 2
- PZMNDDBVLSUSNR-UHFFFAOYSA-N 5-propan-2-ylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C(C)C)CC1C=C2 PZMNDDBVLSUSNR-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 244000061176 Nicotiana tabacum Species 0.000 description 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
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- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 125000004054 acenaphthylenyl group Chemical group C1(=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 2
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- 150000007513 acids Chemical class 0.000 description 2
- 229920006271 aliphatic hydrocarbon resin Polymers 0.000 description 2
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- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- NIDNOXCRFUCAKQ-UHFFFAOYSA-N bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2C(O)=O NIDNOXCRFUCAKQ-UHFFFAOYSA-N 0.000 description 2
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- 229910052791 calcium Inorganic materials 0.000 description 2
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- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 2
- CFBGXYDUODCMNS-UHFFFAOYSA-N cyclobutene Chemical compound C1CC=C1 CFBGXYDUODCMNS-UHFFFAOYSA-N 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- URYYVOIYTNXXBN-UPHRSURJSA-N cyclooctene Chemical compound C1CCC\C=C/CC1 URYYVOIYTNXXBN-UPHRSURJSA-N 0.000 description 2
- 239000004913 cyclooctene Substances 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 125000002704 decyl group Chemical group [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])* 0.000 description 2
- 125000003438 dodecyl group Chemical group [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])* 0.000 description 2
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- 229920001971 elastomer Polymers 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
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- 235000011187 glycerol Nutrition 0.000 description 2
- 238000010559 graft polymerization reaction Methods 0.000 description 2
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- 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 2
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- 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 2
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- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 2
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- RWPFLARVZWFRBO-DAIXLEOSSA-N (2R,3R)-2-(2,4-difluorophenyl)-1-(1,2,4-triazol-1-yl)butane-2,3-diol methanesulfonic acid Chemical compound CS(O)(=O)=O.C[C@@H](O)[C@](O)(Cn1cncn1)c1ccc(F)cc1F RWPFLARVZWFRBO-DAIXLEOSSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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- Y10T428/31855—Of addition polymer from unsaturated monomers
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Definitions
- the present invention relates to a multilayer laminate having a cyclic oxygen-based resin layer and a polymer layer and having low oxygen permeability, and a use of the multilayer laminate.
- Packaging materials such as daily necessities, miscellaneous goods, foods, tablets and pharmaceuticals are required to have many functions such as transparency, moisture proof, heat sealability, vacuum or compressed air formability, and hand twist formability. For this reason, these functions cannot be sufficiently satisfied with only one type of resin, and a multilayer laminate in which a sheet or film made of a certain resin and a sheet or film made of a resin having another property are overlapped. Is often used.
- the problem of recycling raw materials or removing packaging materials has recently attracted attention, and from such a viewpoint, polyolefin resins have tended to be preferred as packaging materials.
- cyclic olefin-based resins are excellent in transparency, moisture-proof properties, vacuum or air-pressure moldability, dead-hold properties, etc., and have no problem in recyclability and incineration. Although it is suitable as a material, this cyclic resin is an amorphous resin. Therefore, it softens rapidly near the glass transition temperature, and its elastic modulus and strength decrease. For this reason, the critical condition range for heat sealing, inflation molding, vacuum or compressed air molding is reduced.
- a package used for packaging food or the like is liable to be deteriorated when the packaged object comes into contact with oxygen or the like in the air. Therefore, such a package preferably has a low oxygen permeability.
- Cyclic olefin resin has excellent properties such as moldability and transparency as a package, but this cyclic olefin resin is used for applications such as food packaging that requires oxygen barrier properties. In order to do so, further improvements are desired in these respects.
- thermoplastic resin which is described in JP-B-6-104732, JP-A-59-13552, and the like.
- Lamination of ethylene-vinyl alcohol copolymer (EVOH) with other thermoplastic resins is disclosed.
- the thermoplastic resin laminated with EVOH is, for example, polyester such as PET.
- polyamides such as Nai Kou.
- Japanese Patent Application Laid-Open No. 5-293159 discloses a laminated container of a resin and EVOH, but the resin used here is a ring-opened polymer of a cyclic olefin. It is a hydrogenated product.
- the present invention is excellent in moldability, transparency, interlayer adhesion, moisture resistance, flexibility, hand-cutting properties, heat sealability and dead-hold properties, and particularly excellent in the balance between oxygen permeability and transparency.
- An object of the present invention is to provide a multilayer laminate and a film, a sheet, and a packaging material formed from the multilayer laminate.
- (A) (a-1) an ethylene / cycloolefin random copolymer comprising a copolymer of cyclic ethylene and ethylene represented by the following formula [1] or [2], and
- (a-2) a layer formed from at least one cyclic olefin-based resin selected from the group consisting of the graft modified products of the ethylene / cyclic olefin random copolymer (a-1);
- A-1) a random copolymer of ethylene 'cyclic olefin and (a-2) at least one cyclic olefin resin selected from the group consisting of a graft modified product and (b) a polyolefin.
- oxygen permeability measured at 0% RH is a multi-layer laminate having a 1 O cc (STP) * mmZm 2, 24Hr * atm following polymer layer, and, multilayer laminate Has a body moisture permeability of 0.2 And the oxygen permeability is 5 ccCSTP mmZn ⁇ AHr'atm or less.
- n is 0 or 1
- m is 0 or a positive integer
- q is 0 or 1
- R 1 ! ⁇ 18 and R a and R b Each independently represents an atom or group selected from the group consisting of a hydrogen atom, a halogen atom and a hydrocarbon group, and R 15 to R 18 are mutually bonded to form a monocyclic or polycyclic ring;
- the monocyclic or polycyclic parenthesis may have a double bond, and R 15 and R 16 or R 17 and R 18 may form an alkylidene group.
- each bond is combined to form a 5-membered ring.
- m is 0 or a positive integer
- h is 0 or a positive integer
- j and k are 0, 1 or 2
- R 7 to R 15 And R 17 to R 18 each independently represent an atom or a group selected from the group consisting of a hydrogen atom, a halogen atom and a hydrocarbon group
- R 19 to R 27 each independently represent a hydrogen atom, a halogen atom And an atom or group selected from the group consisting of a hydrocarbon group and an alkoxy group.
- the multilayer laminate of the present invention has a layer containing a cyclic olefin-based resin and a polymer layer having a low oxygen permeability, it has good moldability, transparency, interlayer adhesion, moisture resistance, flexibility, In addition to having hand-cutting properties, heat-sealing properties and dead-hold properties, the multilayer laminate itself has characteristics that it is particularly difficult to transmit gases such as oxygen.
- BEST MODE FOR CARRYING OUT THE INVENTION Next, the multilayer laminate of the present invention and its use will be specifically described.
- cyclic olefin resin used in the present invention examples include:
- the cyclic olefin resin used in the present invention usually has a softening temperature (TMA) of not less than ⁇ 30, preferably 0 to 180, and more preferably 50, as measured by a thermal mechanical analyzer. ⁇ 180.
- the softening temperature (TMA) in the present invention is determined by placing a quartz needle having a diameter of 1.0 mm on a sheet, applying a load of 49 g, and raising the temperature at a rate of 5 Z minutes. Is the temperature when 0.635 mm penetrates
- the cyclic olefin resin has an intrinsic viscosity [V] measured in decalin of 135 usually in the range of 0.01 to: L0 dlZg, preferably in the range of 0.05 to 2.0 dlg. And more preferably 0.4 to: 1.2 dlZg.
- this cyclic olefin resin has a glass transition point (Tg) of usually 130 or more, preferably 110 to 170, and has a crystallinity measured by an X-ray diffraction method. Usually, it is 0 to 20%, preferably 0 to 2%.
- a compound represented by the following formula [1] or [2] is used as a cyclic offset.
- R ′ to R 18 and R a and R b each independently represent an atom or a group selected from the group consisting of a hydrogen atom, a halogen atom and a hydrocarbon group.
- the halogen atom is a fluorine atom, a chlorine atom, a bromine atom or an iodine atom.
- hydrocarbon group examples include an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 15 carbon atoms, and an aromatic hydrocarbon group. be able to. More specifically,
- alkyl group examples include a methyl group, an ethyl group, a propyl group, an isopropyl group, an amyl group, a hexyl group, an octyl group, a decyl group, a dodecyl group and an octadecyl group.
- halogenated alkyl group examples include groups in which at least a part of the hydrogen atoms forming the above-mentioned alkyl group has been substituted with a fluorine atom, a chlorine atom, a bromine atom or an iodine atom.
- Examples of the cycloalkyl group include a cyclohexyl group, and the like.
- aromatic hydrocarbon group examples include a phenyl group and a naphthyl group.
- R 15 and R 16 , R 17 and R 18 , R 15 and R 17 , R 16 and R 18 , R 1 5 and R 18 , or R 16 and R 17 may be linked (jointly with each other) to form a monocyclic or polycyclic ring, and thus formed A monocyclic or polycyclic ring may have a double bond.
- the single ring formed here or The following are specific examples of the polycyclic ring.
- the carbon atom numbered 1 or 2 represents a carbon atom to which R 15 (R 16 ) or R 17 (R 18 ) is bonded in the formula [1].
- R 15 and R 16 may form an alkylidene group.
- Such an alkylidene group is usually an alkylidene group having 2 to 20 carbon atoms, and specific examples of such an alkylidene group include an ethylidene group, a propylidene group, and an isopropylidene group. .
- Preferred examples of the cyclic orientation in the formula [1] include a cyclic orientation represented by the following formula [111].
- a compound represented by the following formula [2] can also be used as the cyclic olefin.
- R 7 to R t5 and R 17 to R 18 represent the same as in the formula [1].
- R 19 to R 27 each independently represent an atom or a group selected from the group consisting of a hydrogen atom, a halogen atom, a hydrocarbon group and an alkoxy group.
- halogen atom is the same as the halogen atom in the formula [1].
- the hydrocarbon group of R 19 to R 27 in the formula [2] includes an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 20 carbon atoms, and a cycloalkyl group having 3 to 15 carbon atoms. And aromatic hydrocarbon groups.
- examples of the alkyl group include a methyl group, an ethyl group, a propyl group, an isopropyl group, an amyl group, a hexyl group, an octyl group, a decyl group, a dodecyl group, and an octadecyl group.
- halogenated alkyl group examples include groups in which at least a part of the hydrogen atoms forming the above-mentioned alkyl group has been substituted with a fluorine atom, a chlorine atom, a bromine atom or an iodine atom.
- Examples of the cycloalkyl group include a cyclohexyl group, and the like.
- aromatic hydrocarbon group examples include an aryl group and an aralkyl group, and specific examples include a phenyl group, a tolyl group, a naphthyl group, a benzyl group, and a phenylethyl group.
- alkoxy group examples include a methoxy group, an ethoxy group, and a propoxy group.
- the carbon atom to which R 17 and R 18 are bonded and the carbon atom to which R 21 is bonded or the carbon atom to which R 19 is bonded are directly or an alkylene group having 1 to 3 carbon atoms. And may be bonded via When the ie, the two carbon atoms are linked via an alkylene group, a group represented by R 17 and R 21 is or is represented by 1 18 Oyobi 1 19 group There cooperate with each other, a methylene group (one CH 2 -) either the alkylene group of the, E Ji Ren group (one CH 2 CH 2 - -) or Bok Rimechiren group (one CH 2 CH 2 CH 2) Has formed.
- R 23 and R 2Q or R 23 and R 27 may be mutually bonded to form a monocyclic or polycyclic aromatic ring.
- the listed groups can be mentioned.
- h has the same meaning as h in Formula [2].
- the cyclic olefin defined by the above formula [1] or [2] Then, specifically,
- Pentacyclo [6.6.1. I 3 '6 .0 2' 7 .0 9 ⁇ 14] -4- to Kisadesen derivatives, heptacyclo-5-eicosene derivatives,
- Pentacyclo [6.5.1.1 3 '6 .0 2 ⁇ 7 .0 9' 13] -4- pentadecene derivatives, penta cyclopentadiene decadiene derivative,
- Pentacyclo [7.4.0.1 2 '5 .1 9 ⁇ 12 .0 8 ⁇ 13] -3- pentadecene derivatives, heptacyclo [8.7.0.1 3 ⁇ 6. 0 ⁇ 17 .1 12' 15 .0 2 '7.0 11 ⁇ 16 ] -4-eicosene derivatives,
- Pentacyclo [8.4.0 I 2.. '5 I 9 ⁇ 12 .0 8 ⁇ 13.] -.
- heptacyclo [8.8.0 I 4' 7 I 1 teeth 18.1 13 '16.0 3 - 8.0 12, 17] -5 Hene Ikosen derivatives,
- Kisadesen [6.6.1. I 3 ⁇ 6 .0 2 ⁇ 7 .0 3 ⁇ 14] to -4
- Pentashiku b such [.. 6.6 1. 1 3 ⁇ s 0 2 '7 .0 9 ⁇ 1] - 4 - to key Sa dec emissions induction body; heptacyclo [8.7.0 I 2 ⁇ 9.
- Penta Sik b such [.. 6.5 1. 1 3 ⁇ s 0 2 ⁇ 7 .0 3 ⁇ 13] - 4 - pen evening dec emissions derivatives; pen evening cyclo
- Pen such as evening cyclo [. 7.4.0.1 2 ⁇ 5 1 3 ⁇ 12 .0 8 ⁇ 13] -3 - Baie emissions evening dec emissions derivatives; Hebeu cyclo [8.7.0. I 3 ⁇ ⁇ .
- Nonashikuro such as [10.10.1.1 5 ⁇ 1 - 21 .1 19 0 2.
- the cyclic orefin represented by the above formula [1] or [2] can be produced by a Diels-Alder reaction between a cyclic pentagen and an orifice having a corresponding structure.
- the cyclic olefin resin of (a-1) to (a-3) used in the present invention is obtained by using the cyclic olefin represented by the above formula [1] or [2], for example, Japanese Unexamined Patent Application Publication No. Sho 60-166 8708, Japanese Unexamined Patent Application Publication No. Sho 61-128, Japanese Unexamined Patent Application Publication No. No. 1 159 16, Japanese Patent Application Laid-Open No. 61-271 308, Japanese Patent Application Laid-Open No. 61-272 216, Japanese Patent Application Laid-Open No. 62-252 24 Publication No. 6, Japanese Patent Application Laid-Open No. Sho 62-252504, Japanese Patent Application Laid-Open No. Sho 64-106, Japanese Patent Application Laid-Open No. Hei 1-156 It can be produced by selecting the appropriate conditions in accordance with the method proposed by the present applicant in the publication of the publication No. 9 7 5 11 and the like.
- the (a-1) Ethylene / Cyclic olefin random copolymer used as the cyclic / olefin resin in the present invention is usually derived from ethylene.
- the amount of 52 to 90 mol%, preferably 55 to 80 mol%, of the structural unit derived from the cyclic olefin is 10 to 48 mol%, preferably 20 to 4 mol%. It is contained in an amount of 5 mol%.
- the ethylene and cyclic olefin compositions were measured by 13 C-NMR. Is done.
- the structural units derived from ethylene and the structural units derived from the cyclic olefin are randomly arranged and bonded as described above, It has a substantially linear structure.
- the fact that the copolymer is substantially linear and has substantially no gel-like crosslinked structure is confirmed by the fact that the copolymer is soluble in an organic solvent and does not contain any insoluble matter. For example, when the intrinsic viscosity [77] is measured as described below, it can be confirmed by the fact that the copolymer is completely dissolved in decalin in 135.
- At least a part of the structural units derived from the cyclic olefin represented by the formula [1] or [2] is at least partially used. It is considered that each has the structure represented by the following structural formula [1-1a] or [2-a].
- at least a part of the cyclic olefin preferably used in the present invention represented by the formula [1-1] has a structure represented by the following structural formula [1-1-a] it is conceivable that.
- the (a-1) ethylene 'cyclic ethylene random copolymer used in the present invention may contain a structural unit derived from another copolymerizable monomer, if necessary, within a range not to impair the object of the present invention. You may do it.
- Examples of such other monomers include ethylene as described above, and other olefins other than the cyclic olefins, norbornenes, non-conjugated genic acids, and the like.
- Cyclobutene cyclopentene, cyclohexene, 3,4-dimethylcyclopentene, 3-methylcyclohexene, 2- (2-methylbutyl) -1-cyclohexene, cyclooctene and 3a, 5, 6, 7a-tetrahydro- Cycloolefins such as 4, 7-methano-1H-indene,
- 2-norbornene 5-methyl-2-norbornene, 5-ethyl-2-norbornene, 5-isopropyl-2-norbornene, 5-n-butyl-2-norbornene, 5-isobutyl-2-norbornene, 5, Norbornenes such as 6-dimethyl-2-norbornene, 5-chloro-2-norbornene and 5-fluoro-2-norbornene;
- 1,4-hexadiene 4-methyl-1,4-hexadiene, 5-methyl-1,4-hexadiene, 1,7-octadiene, dicyclopentadiene, 5-ethylidene-2-norbornene And non-synergogens such as 5-vinyl-2-norbornene.
- (a-1) Structural units derived from other monomers as described above are usually contained in an amount of 20 mol% or less, preferably 10 mol% or less in the ethylene 'cyclic off-line random copolymer. It may be.
- the (a-1) ethylene 'cyclic ortho random copolymer used in the present invention is disclosed in the above-mentioned publication using ethylene and a cyclic ortho olefin represented by the formula [1] or [2]. It can be manufactured by the following manufacturing method. Among these, this copolymerization is carried out in a hydrocarbon solvent.
- the catalyst is a vanadium-based catalyst formed from a vanadium compound and an organic aluminum compound soluble in this hydrocarbon solvent, a titanium-based catalyst formed from a titanium compound and an organic aluminum compound, or at least two conjugated cycloalkagens.
- A-1 Ethylene cyclic ring using a zirconium-based catalyst formed from a zirconium complex and an aluminoxane having a polydentate compound in which a benzyl group is bonded via a lower alkylene group as a ligand It is preferable to produce a copolymer having a random copolymer.
- the (a—2) cyclic modified resin used in the present invention is a modified denatured product of the above (a-1) ethylene / cyclic oligomeric copolymer. A part is obtained by graft denaturation with a denaturing agent.
- modifying agent used herein examples include unsaturated carboxylic acids such as maleic anhydride, and derivatives thereof such as acid anhydrides or alkyl esters of unsaturated carboxylic acids.
- the content of the structural unit derived from the modifying agent is usually 10 mol% or less.
- Such a graft modified product of a cyclic olefin resin can be produced by blending a modifier with the cyclic olefin resin so as to obtain a desired degree of conversion and carrying out graft polymerization, or can be prepared in advance. A modified product having a modification rate is prepared, and then the modified product is mixed with an unmodified cyclic olefin resin. Can also be produced.
- the cyclic olefin resin used in the present invention is selected from the group consisting of (a-11) and (a-2) as described above, and may be a combination of two or more of these.
- (a-1) ethylene 'cyclic-olefin random copolymer is preferably used as the cyclic-olefin-based resin.
- Cyclic olefin-based resin composition The multilayer laminate of the present invention comprises a layer formed from the above-described cyclic olefin-based resin (A) and a polymer layer (B) having a specific oxygen permeability described later. It may be a laminate, but the layer formed from the cyclic olefin-based resin (A) may be formed from a cyclic olefin-based resin composition.
- the layer composed of the cyclic-olefin-based resin composition is selected from the group consisting of the above-mentioned (a-1) (a-1) ethylene / cyclic-olefin random copolymer and (a-2) graft-modified product. At least one kind of cyclic olefin resin and (b) a cyclic olefin resin composition comprising polyolefin.
- an (co) polymer of an orefine having 2 to 20 carbon atoms is usually used.
- examples of the ⁇ -olefin having 2 to 20 carbon atoms include ethylene, propylene, 1-butene, 1-pentene, hexene, and 3-methylene.
- the (b) polyolefin used in the present invention may be a homopolymer of the above-mentioned olefin or a copolymer of two or more ⁇ -olefins. You may.
- the (b) polyolefin is copolymerized with other monomers such as norbornenes and non-conjugated genic acids to the above-mentioned olefin within a range that does not impair the properties of the polyolefin. It may be.
- these other monomers include cyclobutene, cyclopentene, cyclohexene, 3,4-dimethylcyclopentene, 3-methylcyclohexene, 2- (2-methylbutyl) _1-cyclohexene, cyclooctene And 3a, 5, 6, 7a-tetrahydro-4, 7-mehino-1H-indene and other crisp refines,
- 2-norbornene 5-methyl-2-norbornene, 5-ethyl-2-norbornene, 5-isopropyl-2-norbornene, 5-n-butyl-2-norbornene, 5-isobutyl-2-norbornene, 5, Norbornenes, such as 6-dimethyl-2-norbornene, 5-copenit-2-norbornene and 5-fluoroopent-2-norbornene,
- the (b) polyolefin is polyethylene and / or polypropylene.
- the polyethylene may be a homopolymer of ethylene or a copolymer of ethylene and another ⁇ -olefin.
- the (b) polyolefin is, for example, polyethylene
- it is a homopolymer of ethylene or a mixture of ethylene having an ethylene content of 60 mol%, preferably 70 mol% or more, and another non-olefin.
- the polyolefin (b) is, for example, polypropylene
- the polypropylene may be a homopolymer of propylene or a copolymer of propylene and another ⁇ -olefin. Good.
- polyolefin is polypropylene, polypropylene and other ⁇ -olefins having a homopolymer of propylene or a propylene content of usually 70 mol%, preferably 80 mol% or more.
- ⁇ -olefins copolymerized with propylene include ethylene, 1-butene, 1-pentene, 1-hexene, 3-methyl-1-butene, 3-methyl-1-pentene, and 3-ethyl-1 -Pentene, 4-methyl-1-pentene, 4-methyl-1-hexene, 4,4-dimethyl-1-hexene, 4,4-dimethyl-1-pentene, 4-ethyl-1-hexene , 3-ethyl-1-hexene, 1-octene, tridecene, 1-dodecene, 1-tetradecene, etc. having 2 to 14 carbon atoms (excluding propylene), preferably 2 to 10 (propylene). Excluding).
- This (b) polyolefin may be a denatured graft.
- the modifying agent used herein include unsaturated carboxylic acids such as maleic anhydride, and derivatives of these acid anhydrides or unsaturated carboxylic acid alkyl esters.
- unsaturated carboxylic acids such as maleic anhydride
- derivatives of these acid anhydrides or unsaturated carboxylic acid alkyl esters are usually 10 mol% or less.
- Such a graft-modified product can be produced by blending a polyolefin with a modifier so as to obtain a desired modification ratio and performing a graft polymerization, or by preparing a modified product having a high modification ratio in advance, Then, it can also be produced by mixing the modified product with an unmodified polyolefin.
- a known mixing method can be employed to produce a cyclic olefin-based resin composition from the above-described polyolefin and cyclic olefin-based resin.
- a method of mixing with a blender or the like, a method of melt-kneading with a -screw extruder, a twin-screw extruder, a kneader or the like after mixing, and then granulating or pulverizing can be exemplified.
- the cyclic olefin-based resin or the cyclic olefin-based resin composition used in the present invention includes the (a-1), (a-2), and (a) as long as the object of the present invention is not impaired.
- a rubber component for improving impact strength may be compounded, or other resin components, heat stabilizers, weather stabilizers, light stabilizers, antistatic agents, slip agents, and punches may be used. Blocking agents, anti-fogging agents, nucleating agents, lubricants, dyes or pigments that absorb only light of a specific wavelength, natural oils, synthetic oils, waxes or translucent fillers can be added.
- the stabilizer to be blended as an optional component specifically, tetrakis [methylene-3 (3,5-di-1-butyl-4-hydroxyphenyl) propionate ⁇ methane; 3- (3, 5-di-t-butyl-4-hydroxyfue Phenyl) propionate alkyl esters and 2,2'-oxamidobis [ethyl-3- (3,5-di-t-butyl-4-hydroxyphenyl) probionate] and other phenolic antioxidants; Fatty acid metal salts such as calcium fatty acid such as zincate, calcium stearate and calcium 12-hydroxycysteate; and fatty acid ester of polyhydric alcohol.
- a combination of a phenolic antioxidant and a fatty acid ester of a polyhydric alcohol and the fatty acid ester of such a polyhydric alcohol is preferably an alcohol of a trihydric or higher polyhydric alcohol.
- Polyhydric alcohol fatty acid esters in which a part of the hydroxyl groups are esterified can be mentioned.
- fatty acid esters of polyhydric alcohols include glycerin monostearate, glycerin monolaurate, glycerin monomyristate, and glycerin monono.
- Glycerin fatty esters such as noremitate, glycerin distearate, glycerin dilaurate;
- Pentaerythritol monostearate pentaerythritol monolaurate, pentaerythritol distearate, pentaerythritol tristearate, etc.
- pentaerythritol fatty acid esters These may be used alone or in combination.
- the phenolic antioxidant is used in an amount of usually less than 10 parts by weight, preferably less than 5 parts by weight, and more preferably less than 2 parts by weight, based on 100 parts by weight of the essential components.
- the fatty acid ester of the polyhydric alcohol is generally used in a proportion of less than 10 parts by weight, preferably less than 5 parts by weight, based on 100 parts by weight of the essential components.
- the multilayer laminate of the present invention comprises a layer composed of the above-mentioned cyclic olefin resin or the cyclic olefin resin composition (A) and a specific oxygen permeability. It is a laminate with a polymer layer (B) having a specific modulus.
- the oxygen permeability of this polymer layer (B) measured at 23 ° C and 0% RH must be 10 cc (STP), mm / m 2 '24Hr'atm or less.
- the oxygen permeability of the polymer layer (B) is preferably 1 cc (STP) *. Practice m 2 '24Hr * atm or less, more preferably 0.1 cc (STP) * 111 111 ⁇ 111 2 0 which is less than atm
- the polymer layer having such oxygen permeability can be formed of various resins.
- the resin forming such a polymer layer (B) include ethylene-vinyl alcohol copolymer (EVOH), polyacrylonitrile (PAN), polyvinyl chloride (PVDC), and cellophane. Can be mentioned.
- this polymer layer is made of ethylene-vinyl alcohol copolymer (EVOH) or cellophane. It is preferable to form with.
- the ethylene / vinyl alcohol copolymer (EV0H) used in the present invention has a degree of gelatinization of 90%, which is obtained by converting an ethylene / vinyl acetate copolymer having an ethylene content of 15 to 60 mol%. It is preferably from 100% to 100%. Ethylene-vinyl alcohol copolymers having an ethylene content of less than 15 mol% may be difficult to mold because the moldable temperature approaches the decomposition temperature. If the ethylene content exceeds 60 mol%, the excellent properties of the ethylene-vinyl alcohol copolymer, such as gas permeation resistance and mechanical properties, are inferior and the effect may not be obtained even as a laminated structure.
- Ethylene-vinyl alcohol copolymer contains ethylene in ethylene-vinyl alcohol copolymers with a degree of gation of less than 90 mol% because of their poor mechanical properties, oil resistance and water resistance in some cases. The rate is usually in the above range.
- Cellophane having a regenerated cellulose content of 65% or more is preferably used as cellophane.
- the polymer layer (B) which forms the polymer layer having such a low oxygen permeability contains a rubber component for improving impact strength as another component as long as the object of the present invention is not impaired.
- a rubber component for improving impact strength as another component as long as the object of the present invention is not impaired.
- Absorbs dyes, pigments, natural oils, synthetic oils, waxes or translucent Fillers and the like can be added.
- the multilayer laminate of the present invention is a laminate of (A) a layer made of a cyclic olefin-based resin and a cyclic olefin-based resin composition, and (B) a polymer layer.
- A a layer made of a cyclic olefin-based resin and a cyclic olefin-based resin composition
- B a polymer layer.
- Arbitrary forms such as polymer (B) layer / cyclic olefin-based resin (composition) (A) layer can be used.
- the oxygen permeability of the multilayer laminate of the present invention composed of the A layer and the B layer is 5 cc (STP) ′ mm m 2 ′ 24 Hr ′ atm or less, preferably 1 cc (STP) / ni 2 * 24Hr * atm or less, and more preferably less than or equal to 0. 5 cc (STP) ⁇ ⁇ 2 ⁇ 24 ⁇ • atm.
- the thickness of (A) the cyclic olefin-based resin (composition) layer and the thickness of the (B) polymer layer having a low oxygen permeability are determined by the use of the multilayer laminate of the present invention. It can be set as appropriate in consideration of such factors as the thickness of the (A) cyclic olefin-based resin (composition) layer. Is 1 n! (B) The thickness of the low oxygen permeability polymer layer is in the range of 1 m to 10 mm.
- the total thickness of the multilayer laminate of the present invention varies depending on the use of the laminate, the number of layers to be laminated, and the like, but is usually in the range of 2 m to 20 nun.
- the above-mentioned cyclic olefin-based resin (composition) layer and the low oxygen permeability polymer layer (B) can be connected to each other without using an adhesive or the like, for example, by a multilayer T-die method, a multilayer inflation method, Lamination can be performed by adopting a general method of forming a multilayer laminate such as a co-extrusion molding method such as an extrusion lamination method.
- the cyclic olefin-based resin (composition) (A) and the polymer layer (B) having low oxygen permeability show good adhesion, and it is not particularly necessary to use an adhesive.
- both layers can be laminated using an adhesive.
- examples of the adhesive which can be preferably used in the present invention include a low-crystalline to amorphous soft copolymer or a soft copolymer composition containing such a soft copolymer. Can be.
- an adhesive resin composition containing a modified polyolefin or an unsaturated polyolefin is used as the low crystalline to amorphous soft copolymer.
- This modified polyolefin has a melt flow rate (MFR) measured by ASTM D12838L which is usually in the range of 0.1 to 50 gZIO, preferably 0.2 to 210 minutes. a density usually preferably 0.
- the crystallinity measured by the method is usually 40% or less, preferably 30% or less, and the melting point measured by ASTM D 314 18 is usually 100 or less.
- the above-mentioned low-crystalline or non-crystalline soft copolymer can be used alone as an adhesive, and further, a tackifier and the like can be added thereto.
- the tackifier used herein examples include an alicyclic hydrocarbon resin obtained by hydrogenating an aliphatic hydrocarbon resin and / or an aromatic hydrocarbon resin.
- the softening point measured by the ring and ball method is usually in the range of 105 to 150, preferably 110 to 140, and the hydrogenation rate to the aromatic ring is usually 80 to 150. % Or more, preferably 85% or more of an alicyclic hydrocarbon resin.
- the ethylene / ⁇ -olefin copolymer is used in an amount of 60 to 98% by weight
- the aliphatic hydrocarbon resin and / or the alicyclic hydrocarbon resin is used in an amount of 2 to 40% by weight. I do.
- the low-crystalline to non-crystalline soft copolymer may contain modified polyethylene.
- the modified polyethylene has an unsaturated carboxylic acid or derivative thereof having a graft amount of 0.01 to 10% by weight, preferably 0.1 to 5% by weight, and a density of 0.95 to 0.98 gZcm. 3, preferably 0.9 2 0 to 0.9 7 0 8/011 3 ranging ⁇ to Ari, crystallinity measured by X-ray diffractometry 4 5% or more, preferably 5 0-8 0% Is a modified polyethylene within the range.
- a maleol flow plate (MFR: ASTM D12) 3 8, E) is 0.001 to: LOO g / 10 min, density is in the range of 0.99 to 0.980 gZcin 3 , and crystallinity measured by X-ray diffraction method
- MFR ASTM D12
- E a maleol flow plate
- density is in the range of 0.99 to 0.980 gZcin 3
- the unsaturated carboxylic acids or derivatives thereof used for the modification include acrylic acid, maleic acid, fumaric acid, tetrahydrobutyric acid, itaconic acid, citraconic acid, crotonic acid, isocrotonic acid, and nadic acid.
- Unsaturated carboxylic acids such as TM (endocis-bicyclo [2,2,1] hept-5-ene-2,3-dicarboxylic acid); or; maleenyl hydrochloride, maleimide, maleic anhydride, anhydride
- examples thereof include derivatives of citraconic acid, monomethyl maleate, dimethyl maleate, and glycidyl maleate.
- maleic acid, nadic acid ⁇ or their acid anhydrides are particularly preferred.
- the modified polyethylene is usually used in an amount of 0.1 to 99% by weight based on 100 parts by weight of the low crystalline to amorphous soft copolymer.
- the soft copolymer composition includes the above-mentioned ethylene-non-olefin random copolymer, ethylene, vinyl acetate random copolymer, and ethylene or ethylene-vinyl alcohol random copolymer. Is also good.
- the ethylene / ⁇ -olefin random copolymer is in an amount of 60 to 98% by weight
- the ethylene / vinyl acetate random copolymer and / or the ethylene / vinyl alcohol random copolymer is 2 to 40% by weight. It is preferably used in an amount of% by weight.
- a co-extrusion molding method such as a multilayer die method, a multilayer inflation method, an extrusion lamination method, etc.
- Lamination, dry lamination, etc., general multi-layer sheet or film molding methods, multi-injection blow such as co-induction blow, multi-layer direct blow, etc., sandwich molding, Injection molding methods such as two-color molding and stamping molding methods can be used.
- the molded multilayer laminate can be used as it is without stretching, or after uniaxial or biaxial stretching.
- the multilayer laminate of the present invention has a high gas barrier property against oxygen and the like, and has excellent layer indirect adhesion, moisture proofing, transparency, appropriate flexibility, hand-cutting properties, heat sealing properties and dead-hold properties, and furthermore has a vacuum. Also, because of its excellent pressure forming properties, it exhibits sufficient performance as a material for packaging pharmaceuticals, foods, and tobacco. Therefore, the multilayer laminate of the present invention can be suitably used as a packaging sheet or a container such as a film, a bottle, and a container.
- the articles to be packaged include any items such as drugs, foods, daily necessities, and sundries.
- drugs such as tablets and capsules
- foods such as rice crackers, snacks and cookies, and hygroscopic packages
- moisture proof and transparency are guaranteed.
- Packaging formats include bags, packs, PTP (press through pack), blister packs, hand twists, wrappings, shrinks, —Films such as G-Peel, medical containers such as eye drops bottles, vial bottles, infusion packs, syringes, etc., and physical and chemical containers such as petri dishes, test tubes, and analytical cells. And assembled containers.
- the multilayer laminate of the present invention is particularly suitable as a packaging material such as a PTP (press through pack) or a blister pack.
- the multilayer laminate of the present invention comprises a layer made of a specific cyclic olefin-based resin or a cyclic olefin-based resin composition and a polymer layer having a low oxygen permeability. Excellent in water resistance, moisture resistance, transparency, moderate flexibility, hand-cutting properties, heat sealing properties and dead-hold properties, and also excellent in vacuum or pressure forming. Since the polymer layer (B) in the multilayer laminate of the present invention has a low oxygen permeability, it can be coated by using the sheet, film, and packaging material formed from the multilayer laminate of the present invention.
- the package can be sealed well.
- the multilayer laminate of the present invention is excellent without a decrease in gas barrier properties even when used in an atmosphere with high humidity. That is, the multilayer laminate films shown in Comparative Examples 6 and 7 are not so bad in moisture resistance and gas barrier property as compared with the multilayer laminate of the present invention, but when used in an atmosphere of high humidity, the moisture resistance is significantly reduced. On the other hand, the multilayer laminate of the present invention does not have such a tendency, and is particularly excellent in moisture resistance under wet conditions and gas barrier property. EXAMPLES Next, examples of the present invention will be described, but the present invention is not limited by these.
- ETCD 3-dodecene
- ethylene-vinyl alcohol copolymer (trade name: Kurarayvar EP-F, ethylene content: 32 mol%, density 1.19, oxygen permeability: 0. 0 5 cc'nnn / m 2 '24Hr'a1: in, manufactured by Kuraray Co., Ltd.) and supply the molten resin to the die at a resin temperature of 210, and the inside is an ETCD layer and the outside is ethylene' An inflation film consisting of a layer of vinyl alcohol copolymer (EVOH) was manufactured.
- Kurarayvar EP-F ethylene content: 32 mol%, density 1.19, oxygen permeability: 0. 0 5 cc'nnn / m 2 '24Hr'a1: in, manufactured by Kuraray Co., Ltd.
- the thickness of the layer of ETCD was 70 / zm, and the thickness of the layer of ethylene'vinyl alcohol copolymer (EV0H) was 30 tm.
- nylon in another extruder - 6 (trade name: E Reamiran CM 1 0 1 1, the oxygen permeability: 1. 2 cc * mm m 2 '24Hr'atm, Toray Co., Ltd.) was melted, the resin It was fed to the die at a temperature of 260 to produce an inflation film consisting of an ETCD layer on the inside and a nylon-6 layer on the outside.
- the thickness of the layer of ETCD was 70 m and the thickness of the layer of nylon-6 was 30 m.
- nylon - 6 instead of polyethylene terephthalate (PET) (intrinsic viscosity: 1. 4 dl / g, oxygen permeability: 5. 0 cc * mm / m 2 .24Hr.ati) using An inflation film was produced in the same manner except that the molten resin was supplied to the die at a resin temperature of 270.
- PET polyethylene terephthalate
- Comparative Example 1 instead of nylon-6, PVDC (vinylidene chloride content: 85 mol%, oxygen permeability: 0.3 cc «mm / m 2 '24Hr « atni) was used, and the resin temperature was 20%. 0 except that the molten resin was supplied to the die To produce an inflation film.
- PVDC vinylidene chloride content: 85 mol%, oxygen permeability: 0.3 cc «mm / m 2 '24Hr « atni
- Comparative Example 1 instead of nylon-6, polyacrylonitrile linole (PAN) (trade name: Barex, oxygen permeability: 0.7 cc-min / ni 2 «24Hr.atm) was used, and the resin temperature was changed. A blown film was produced in the same manner except that the molten resin was supplied to the die at 210.
- PAN polyacrylonitrile linole
- Cyclic Orefi emission resin composition as a intrinsic viscosity [7?] Is 0. 6 O dl / g, a softening temperature (TM A) is 1 5 0 Echiren and tetracyclo [4.4.0. I 2 ⁇ 5.
- TM A softening temperature
- ETC D-2 dodecene random copolymer
- ethylene 'vinyl alcohol copolymer ( ⁇ V 0 ⁇ ) (trade name: Kurarayvar ⁇ F—F, ethylene content: 32 mol%, density 1.19, oxygen permeability : 0. 0 5 ccmm / m 2 «24Hr « atm, ( Ltd.) molten resin at a resin temperature of 2 3 0 hands using Kuraray Co., Ltd.) was Kyo ⁇ the die, inside ETC D-2 layers, outer Manufactures an inflation film consisting of a layer of ethylene-vinyl alcohol copolymer (EVOH).
- EVOH ethylene-vinyl alcohol copolymer
- the thickness of the ETCD layer is The thickness of the ethylene-vinyl alcohol copolymer (EVOH) layer was 30 m, which was 70 m.
- EVOH ethylene-vinyl alcohol copolymer
- Comparative Example 1 instead of nylon-6, polyethylene (MFR: 5.2 g / 10 min (190 ° C, 2.16 kg), density: 0.968, oxygen permeability: 85 cc.mm/ m 2 .24Hr.atni) except for supplying molten resin into a die at a resin temperature 2 1 0 using was prepared the inflation film in the same manner. The gas barrier properties of this film were evaluated, and the results are shown in Table 1.
- Comparative Example 1 instead of nylon-6, polypropylene (MFR: 7.0 g for 80 minutes (230, 2.16 kg)), melting point: 144, oxygen permeability: 80 cc.mm/in 2 . Inflation film was manufactured in the same manner except that the molten resin was fed in at a resin temperature of 210 with the use of (24Hr-atm).
- ETCCD alone was used to form an inflation film having a thickness of 100 m, and the gas barrier property of this film was evaluated. The results are shown in Table 1.
- MFR 7.0 g / 10 min. (230 ° C, 2.16 kg)
- Tm 143 ° C
- Oxygen permeability coefficient 80 cc.
- Ram / m 2 '24 Hr-
- An inflation film was produced in the same manner except that atm) was used.
- a hydrogen additive (ring-opening polymer A) of an ethylenetetracyclododecene ring-opening polymer having an intrinsic viscosity [7?] Of 0.06 dl / g and a softening temperature of 150 was used. Except for using the same procedure as in Example 4. Molding was performed.
- Table 2 shows the gas barrier properties of the obtained film.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Wrappers (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CA 2194395 CA2194395C (en) | 1994-07-05 | 1995-07-04 | Multi-layer laminates containing cycloolefin resin layer and uses thereof |
EP95923578A EP0773102A4 (en) | 1994-07-05 | 1995-07-04 | Multilayer laminate and use |
KR1019970700041A KR100316898B1 (ko) | 1994-07-05 | 1995-07-04 | 다층적층체및그의용도 |
US08/765,358 US6165573A (en) | 1994-07-05 | 1995-07-04 | Multi-layer laminates and uses thereof |
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JP15398794 | 1994-07-05 | ||
JP6/153987 | 1994-07-05 |
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WO1996001184A1 true WO1996001184A1 (fr) | 1996-01-18 |
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PCT/JP1995/001331 WO1996001184A1 (fr) | 1994-07-05 | 1995-07-04 | Stratifie multicouche et utilisation |
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US (1) | US6165573A (ja) |
EP (1) | EP0773102A4 (ja) |
KR (1) | KR100316898B1 (ja) |
CN (1) | CN1089680C (ja) |
WO (1) | WO1996001184A1 (ja) |
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JPS591352A (ja) * | 1982-06-15 | 1984-01-06 | 大倉工業株式会社 | 多層フイルムを被覆した炭酸飲料用延伸ブロ−容器 |
CA2010320C (en) * | 1989-02-20 | 2001-04-17 | Yohzoh Yamamoto | Sheet or film of cyclo-olefin polymer |
DE69213569T2 (de) * | 1991-06-14 | 1997-03-06 | Mitsui Petrochemical Ind | Verbundstoff |
EP0524802B2 (en) * | 1991-07-22 | 2009-10-07 | Daikyo Gomu Seiko Ltd. | A container for a sanitary article |
KR960009295B1 (ko) * | 1991-09-12 | 1996-07-18 | 미쓰이세끼유 가가꾸고오교오 가부시끼가이샤 | 환상올레핀 수지 조성물 |
KR100235089B1 (en) * | 1992-05-14 | 1999-12-15 | Mitsui Chemicals Inc | Ptp or blister packaging articles and packaging material therefor |
DE4304310A1 (de) * | 1993-02-12 | 1994-08-18 | Hoechst Ag | Teilkristalline Cycloolefin-Copolymer-Folie |
CA2134320C (en) * | 1993-10-26 | 2001-01-09 | Toshiyuki Hirose | Polyolefin multilayer laminate and use thereof |
-
1995
- 1995-07-04 EP EP95923578A patent/EP0773102A4/en not_active Withdrawn
- 1995-07-04 US US08/765,358 patent/US6165573A/en not_active Expired - Lifetime
- 1995-07-04 CN CN95193936A patent/CN1089680C/zh not_active Expired - Lifetime
- 1995-07-04 WO PCT/JP1995/001331 patent/WO1996001184A1/ja active IP Right Grant
- 1995-07-04 KR KR1019970700041A patent/KR100316898B1/ko not_active Expired - Lifetime
Patent Citations (3)
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JPH02196832A (ja) * | 1988-10-21 | 1990-08-03 | Mitsui Petrochem Ind Ltd | 環状オレフィン系重合体シートまたはフィルム |
JPH05293159A (ja) * | 1991-07-22 | 1993-11-09 | Daikyo Seiko:Kk | 衛生品用容器 |
JPH05261875A (ja) * | 1992-03-18 | 1993-10-12 | Idemitsu Kosan Co Ltd | 多層材料 |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09267447A (ja) * | 1996-04-03 | 1997-10-14 | Kishimoto Akira | 積層構造体 |
WO1998008845A1 (en) * | 1996-08-27 | 1998-03-05 | Novartis Ag | Herbicidal s-substituted 1,2,4,6-thiatriazines |
JP2000037817A (ja) * | 1998-06-29 | 2000-02-08 | Ticona Gmbh | 熱成形性複合フィルム |
JP2000037818A (ja) * | 1998-06-29 | 2000-02-08 | Ticona Gmbh | 押出被覆フィルム |
JP2000037816A (ja) * | 1998-07-20 | 2000-02-08 | Ticona Gmbh | 熱成形可能な複合フィルム |
US7935400B2 (en) | 2002-05-07 | 2011-05-03 | Tetra Laval Holdings & Finance S.A. | Packaging laminate, method for its manufacturing and packaging container manufactured from the packaging laminate |
WO2003095200A1 (en) * | 2002-05-07 | 2003-11-20 | Tetra Laval Holdings & Finance S.A. | Packaging laminate, method for its manufacturing and packaging container manufactured from the packaging laminate |
US8007882B2 (en) | 2002-05-07 | 2011-08-30 | Tetra Laval Holdings & Finance S.A. | Packaging laminate, method for its manufacturing and packaging container manufactured from the packaging laminate |
US6794051B2 (en) * | 2002-05-28 | 2004-09-21 | Mitsubishi Polyester Film Gmbh | Transparent polyester film with enhanced water vapor barrier, its production and use |
JPWO2008156039A1 (ja) * | 2007-06-20 | 2010-08-26 | 塩野義製薬株式会社 | ブリスターパック形成用樹脂積層フィルムおよびブリスターパック |
JP2010234805A (ja) * | 2009-03-09 | 2010-10-21 | Nippon Synthetic Chem Ind Co Ltd:The | 多層構造体 |
JP2011110369A (ja) * | 2009-11-30 | 2011-06-09 | Kyoraku Co Ltd | 医療用容器 |
EP3848200A4 (en) * | 2018-09-03 | 2022-05-18 | Japan Polyethylene Corporation | EASILY TEARABLE CO-EXTRUDED MULTI-LAYER BARRIER FILM AND PACKAGING MATERIAL |
US12285930B2 (en) | 2018-12-07 | 2025-04-29 | Zacros Corporation | Ophthalmic solution container |
Also Published As
Publication number | Publication date |
---|---|
CN1151715A (zh) | 1997-06-11 |
EP0773102A1 (en) | 1997-05-14 |
US6165573A (en) | 2000-12-26 |
KR970704579A (ko) | 1997-09-06 |
CN1089680C (zh) | 2002-08-28 |
KR100316898B1 (ko) | 2002-06-27 |
EP0773102A4 (en) | 1997-08-06 |
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