WO1997035462A2 - Improved high-aromatic oil, and rubber composition and oil extended synthetic rubber both prepared by using said high aromatic oil - Google Patents
Improved high-aromatic oil, and rubber composition and oil extended synthetic rubber both prepared by using said high aromatic oil Download PDFInfo
- Publication number
- WO1997035462A2 WO1997035462A2 PCT/JP1997/002244 JP9702244W WO9735462A2 WO 1997035462 A2 WO1997035462 A2 WO 1997035462A2 JP 9702244 W JP9702244 W JP 9702244W WO 9735462 A2 WO9735462 A2 WO 9735462A2
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- Prior art keywords
- oil
- rubber
- aromatic
- weight
- highly aromatic
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 98
- 239000010692 aromatic oil Substances 0.000 title claims abstract description 92
- 229920001971 elastomer Polymers 0.000 title claims abstract description 84
- 239000005060 rubber Substances 0.000 title claims abstract description 84
- 239000003921 oil Substances 0.000 title claims abstract description 50
- 229920003051 synthetic elastomer Polymers 0.000 title claims abstract description 43
- 239000005061 synthetic rubber Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 67
- 230000009477 glass transition Effects 0.000 claims abstract description 17
- -1 polycyclic aromatic compound Chemical class 0.000 claims abstract description 11
- 239000004927 clay Substances 0.000 claims abstract description 9
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 8
- 125000003118 aryl group Chemical group 0.000 claims description 58
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000010687 lubricating oil Substances 0.000 claims description 13
- 244000043261 Hevea brasiliensis Species 0.000 claims description 7
- 229920003052 natural elastomer Polymers 0.000 claims description 7
- 229920001194 natural rubber Polymers 0.000 claims description 7
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 2
- 239000000976 ink Substances 0.000 abstract description 7
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 5
- 238000007639 printing Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000009472 formulation Methods 0.000 description 40
- 238000000638 solvent extraction Methods 0.000 description 30
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 27
- 239000002904 solvent Substances 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 15
- 238000006116 polymerization reaction Methods 0.000 description 15
- 238000005292 vacuum distillation Methods 0.000 description 15
- 238000000605 extraction Methods 0.000 description 12
- 229920006395 saturated elastomer Polymers 0.000 description 11
- 238000011156 evaluation Methods 0.000 description 10
- 238000000746 purification Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 9
- 238000004517 catalytic hydrocracking Methods 0.000 description 9
- 238000007670 refining Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000000740 bleeding effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000004606 Fillers/Extenders Substances 0.000 description 5
- 241000209094 Oryza Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 238000005984 hydrogenation reaction Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000004636 vulcanized rubber Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical group C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004807 desolvation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- LCEDQNDDFOCWGG-UHFFFAOYSA-N morpholine-4-carbaldehyde Chemical compound O=CN1CCOCC1 LCEDQNDDFOCWGG-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100001223 noncarcinogenic Toxicity 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 150000003557 thiazoles Chemical class 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
Definitions
- the present invention relates to a highly aromatic oil which is preferably used for various rubber articles such as tires, anti-vibration rubbers, fenders, printing inks and inks for writing implements, and a rubber composition using this highly aromatic oil.
- the present invention relates to an oil-extended synthetic rubber and an improved high-aromatic oil which has both a product performance and an environmental viewpoint, a rubber composition using the high-aromatic oil, and an oil-extended synthetic rubber.
- paraffin, naphthenic oils and highly aromatic oils have generally been used as softeners for rubber compositions and extender oils for synthetic rubbers, and these have been used separately depending on the application.
- highly aromatic oils are preferably used as softeners for rubber compositions and extenders for synthetic rubber for the following reasons (1) to (4).
- High aromatic oils have the property of imparting high loss performance (high heat generation performance) to rubber compositions.
- the rubber composition has softening properties for improving workability.
- Japanese Patent Publication No. 6-505524 (UK Patent (GB) No. 2252 978, US Patent (US) No. 5504135, European Patent (EP) No. 5 75400) has a viscosity of 32 to 5 Ocst: 30-55% by weight of aromatic component, 40-65% by weight of saturated hydrocarbon component, and IP (The Institute of Petroleum) 346 method by ASTM D2007 [PC A standard test] Synthetic rubber using highly aromatic lubricating oil containing less than 3% of polycyclic aromatic compound (PCA) as an aromatic monomer, measured in accordance with JIS, especially 10% of SBR based on total weight of rubber composition A rubber composition using 2525% by weight has been proposed.
- PCA polycyclic aromatic compound
- the viscosity of this high aromatic oil has no relation to the high loss performance imparting characteristics and the affinity with rubber among the required characteristics of the above high aromatic oil performance, and the softening characteristics Is also not uniquely relevant.
- the aromatic component according to the Kregel method described in this publication sufficient high loss performance cannot be obtained, and in the range of the above-mentioned saturated hydrocarbon, sufficient affinity with rubber can be obtained. Therefore, there is a problem that it cannot be used as a substitute for conventional highly aromatic oils.
- An object of the present invention is to provide a highly aromatic oil used for various rubber articles such as tires, vibration-isolating rubbers, fenders, etc., or printing inks and writing implement inks.
- the base oil When the base oil is used for rubber compositions, etc., it maintains the current performance required for rubber compositions, etc., and based on the EU Directive, polycyclic aromatic compounds measured by the IP346 method ( PCA) of less than 3%, and a highly aromatic oil improved so that the rubber composition is economical, a rubber composition using the highly aromatic oil, and an oil-extended synthetic rubber.
- PCA IP346 method
- the present inventor has determined that what kind of highly aromatic oil, the polycyclic aromatic compound (PCA) according to the IP346 method is less than 3%, and that the conventional highly aromatic
- PCA polycyclic aromatic compound
- the present invention resides in the following (1) to (6).
- the glass transition point is in the range of 45 to 120 ° C
- the aromatic component is in the range of 55 to 90% by weight by the clay gel method
- the hydrocarbon component contained in the oil component is An improved highly aromatic oil with less than 3% by weight of polycyclic aromatic compounds as measured by the IP 346 method based on all components.
- a rubber composition comprising a high aromatic oil described in any one of (1) to (3) above with respect to a rubber component composed of natural rubber and rubber or synthetic rubber.
- FIG. 1 is a view showing a production process of a method (formulation) for refining a highly aromatic oil of the present invention.
- FIG. 2 is a characteristic diagram showing a relationship between a glass transition point (T g) and low-temperature characteristics of a highly aromatic oil.
- FIG. 3 is a characteristic diagram showing a relationship between a glass transition point (T g) and a loss characteristic in a highly aromatic oil.
- FIG. 4 is a characteristic diagram showing a relationship between an aromatic component and a low-temperature characteristic in a highly aromatic oil.
- FIG. 5 is a characteristic diagram showing a relationship between an aromatic component and a loss characteristic in a highly aromatic oil.
- FIG. 6 is a characteristic diagram showing the relationship between the aniline point and the crushing property in a highly aromatic oil.
- FIG. 7 is a characteristic diagram showing a relationship between a saturated component and a breaking characteristic in a highly aromatic oil.
- the improved highly aromatic oil of the present invention has a glass transition point of from 45 ° C to 120 ° C.
- the aromatic component by the Klegel method is 55% by weight to 90% by weight, and the polycyclic aromatic compound measured by the IP 346 method based on all the hydrocarbon components contained in the oil component is It is characterized by being less than 3% by weight.
- the DMS 0 extract by the IP 346 method is less than 3% by weight, preferably 0.5 to less than 3.0% by weight, based on the total amount of the sample subjected to the test.
- the EU directive is violated due to the risk of carcinogens, which is not preferable.
- the glass transition point of the highly aromatic oil measured by DSC is from 1 to 45 ° C to 120 ° C, preferably from 1 to 42 ° C to -25 ° C, more preferably from 1 to 40 ° C- ⁇ . It must be 28 ° C.
- the glass transition point is lower than 1 45 ° C, the performance of imparting a high loss property to the rubber composition is not sufficient, and at the same time, the elastic modulus of the rubber composition largely changes, which is not preferable. If it exceeds, low temperature performance cannot be maintained, which is not preferable.
- the aromatic component of the highly aromatic lubricating oil by the clay gel method is required to be 55 to 90% by weight, preferably 60 to 85% by weight, and more preferably 65 to 80% by weight. It is.
- the aniline point is preferably 97 or less, more preferably 90 or less, more preferably 10 to 85, and particularly preferably 15 to 75. It is.
- the content of the saturated hydrocarbon component by the clay gel method is 40% by weight or less, preferably 35% by weight or less, and more preferably 25% by weight or less.
- the amount of the saturated hydrocarbon component exceeds 40% by weight, the affinity between the highly aromatic oil and the rubber component in the rubber composition is deteriorated, and as a result, oil bleeding tends to occur, which is not preferable.
- the kinematic viscosity at 100 ° C. of the highly aromatic oil of the present invention is desirably 70 cst or less.
- the range is more preferably 10 to 32 cst.
- the boiling point range is from 250 ° F. to 780 ° F.
- a method has been proposed for blending a normal pressure light hydrocarbon oil that causes tumors and a vacuum distilled hydrocarbon oil that does not cause tumors, but it is essentially a light lubricating oil and the purification method of the present invention. However, it cannot be applied to highly aromatic lubricating oil as it is.
- the highly aromatic oil of the present invention is not limited to the methods described in each of the above-mentioned known documents, but also includes a method generally used for refining lubricating oils, that is, naphthenic and Z or paraffinic crude oils.
- a method generally used for refining lubricating oils that is, naphthenic and Z or paraffinic crude oils.
- purification methods such as solvent extraction, hydrogenation, depalletization, and deasphalting, in an appropriate combination.
- it can also be produced by mixing two or more kinds obtained by performing such a purification method.
- the solvent extraction treatment refers to an operation of separating a raffinate having a low aromatic content and an extract having a high aromatic content using a solvent.
- the solvent include furfural, phenol, and cresol.
- Sulfolane, N-methylpyrrolidone, dimethyl sulfokind, formyl morpholine, glycol solvents and the like are used.
- the separation ability in the solvent extraction process varies depending on the solvent used, the feedstock / solvent ratio, the reaction temperature, and the like. Therefore, PCA can be selectively separated by appropriately changing these conditions.
- the above-mentioned hydrotreating is a petroleum refining process aimed at decomposing and removing compounds such as sulfur, nitrogen, oxygen, and metals contained in fractions, and reforming or decomposing hydrocarbons. It is.
- the hydrotreating catalyst include, for example, metals such as Ni, W, Pt, and Pd, metal oxides such as Mo, Co, Ni, and W as a metal component, and alumina as a carrier.
- a material using silica, silica alumina, zeolite, or the like is used.
- hydrotreating is roughly classified into hydrofinishing, which is performed under relatively mild conditions, and hydrocracking, which is performed under severe conditions. Furthermore, it is possible to selectively decompose only PCA by changing the conditions of the hydrocracking treatment.
- the above-mentioned de-tading treatment is for removing the eel component contained in the distillate, and the MEK de-tanning method, propane de-spreading method and the like are known.
- the above-mentioned deasphalting treatment is a method for removing asphalt-based resin lipids particularly contained in vacuum distillation residue, and low molecular weight hydrocarbons having 1 to 5 carbon atoms are used as a solvent.
- Propane alone or a mixture of propane and butane is used as the optimum solvent.
- the highly aromatic oil of the present invention can be produced by appropriately combining the methods described in each of the above-mentioned known documents and the above-mentioned each of the refining methods, but the treatment conditions are set so as to satisfy the above-mentioned properties. Needless to say, this must be done.
- the solvent extraction treatment and the hydrocracking treatment since it is easy to adjust the content of the aromatic component and the PCA contained in the fraction, when producing the highly aromatic lubricating oil of the present invention, It is preferably used.
- the highly aromatic oil of the present invention can be produced by using each of the above methods alone or in combination of two or more.
- the following formulations (purification methods) 1 to 13 are preferably used.
- Fig. 1 shows the manufacturing process of the following formulas (purification method) 1 to 13 and A to E.
- 1 to 13 and A to E indicate the respective prescriptions (purification method). It is to be displayed.
- NT in the following, FIG. 1 and in the table means a roughened rice with a low aromatic content obtained by subjecting a vacuum distilled distillate to a solvent extraction treatment, followed by a hydrofinishing treatment. And / or solvent dewatered, and includes paraffinic and naphthenic oils.
- Formulation 3 Deasphaltate the vacuum distillation residue and add NT to the extract with high aromatic content obtained by solvent extraction, and if necessary, select only PCA Hydrofinishing treatment is performed under the condition of decomposing.
- Formulation 4 Deasphaltate the vacuum distillation residual oil, and then add NT to the extract with a high aromatic content obtained by solvent extraction.If necessary, select only PCA. The hydrocracking treatment is performed under the conditions decomposing into.
- Formulation 5 The vacuum distilled distillate is subjected to solvent extraction to obtain an extract having a high aromatic content. The extract thus obtained is subjected to hydrocracking under conditions that selectively decompose PCA.
- Formulation 6 The vacuum distillation distillate is subjected to solvent extraction to obtain an extract having a high aromatic content.
- the extract thus obtained is further subjected to a solvent extraction treatment under conditions that selectively decompose PCA to obtain a highly aromatic, low-PCA raffinate.c.
- the metal is subjected to hydrofinishing as needed.
- Formulation 8 Solvent extraction of the vacuum distilled distillate under conditions that selectively separate PCA. To get low PCA rough.
- the rough rice thus obtained is subjected to a solvent removal treatment and a hydrofinishing treatment.
- Formulation 12 The vacuum distillation residual oil is subjected to dewatering treatment, and then subjected to a solvent extraction treatment under conditions for selectively separating PCA to obtain a rough PC with low PCA.
- the raffinate obtained in this manner is subjected to a solvent removal process. Hydrofinishing will be carried out if necessary.
- Formulation B Hydrogenated and / or deparaffinized paraffinic or naphthenic fractions are added to an aromatics-rich extract obtained by solvent extraction of the vacuum distilled distillate.
- Formulation C Depressurized distillation residue is subjected to deasphalting treatment and further solvent extraction to obtain an extract with a high aromatic content. The extract thus obtained is subjected to hydrocracking under conditions that selectively decompose PCA. In addition, in DMSO After the treatment, repeat the solution extraction three times while varying the amount of furfural and the temperature conditions. .
- Formulation D Deasphalted distillate from vacuum distillation is subjected to solvent extraction and solvent removal.
- the rubber composition and oil-extended synthetic rubber of the present invention are characterized by using a high aromatic oil having the above-mentioned properties and properties.
- the rubber composition 0.2 to 50% by weight, preferably 0.5 to 40% by weight of a high aromatic oil having the above characteristics and the like based on the total weight of the rubber composition. % By weight, more preferably 1 to 35% by weight.
- the content of the highly aromatic oil having the above-mentioned properties is less than 0.2% by weight based on the total weight of the rubber composition, the softening property is poor, and when it exceeds 50% by weight, adhesion to a roll or the like is caused. Is unfavorable because the work becomes intense and the workability decreases.
- Synthetic rubbers include, for example, styrene'butadiene copolymer (SBR), polybutadiene (BR), polyisoprene (IR), polychloroprene (CR), ethylene'propylene'gen terpolymer (EP DM), acrylonitrinobutene rubber (NBR), butyl rubber (IIR), etc. can be used.
- SBR styrene'butadiene copolymer
- BR polybutadiene
- IR polyisoprene
- CR polychloroprene
- EP DM ethylene'propylene'gen terpolymer
- NBR acrylonitrinobutene rubber
- IIR butyl rubber
- the content of the highly aromatic oil having the above-mentioned properties is less than 5% by weight based on the total weight of the synthetic rubber, the cohesion of the rubber becomes poor, making it difficult to bale, and exceeding 50% by weight. However, the adhesion between the rubbers or the press becomes severe, which makes it difficult to bale, which is not preferable.
- the method of using a highly aromatic oil in a rubber composition is directly used in the form of an oil. It may be used in the form of a synthetic rubber or a highly aromatic oil-extended synthetic rubber. Further, the rubber composition of the present invention contains the following components in addition to the high aromatic oils described above.
- Natural rubber or synthetic rubber (SBR, BR, IR, CR, EPDM, NBR, IIR, etc.) and mixtures thereof.
- the rubber composition of the present invention is obtained by adding the cross-linking agent and the cross-linking auxiliary of the above (c) to a mixture composed of the three components of the above (a) to (b) and the highly aromatic oil of the present invention.
- This can be obtained by heat curing.
- the crosslinking agent organic peroxides, sulfur, organic sulfur compounds and the like can be used
- the crosslinking assistant for example, thiazole compounds, guanidine compounds and the like can be used as long as they can be used for ordinary rubbers.
- the rubber composition of the present invention may contain the following optional components in addition to the above components.
- inorganic filler examples include calcium carbonate, magnesium carbonate, clay, alumina, aluminum hydroxide, and My power.
- the total weight of the rubber composition of the present invention with the highly aromatic oil of the present invention is 50% by weight or less, preferably 45% by weight, other than the high aromatic oil.
- Agent or plasticizer is 50% by weight or less, preferably 45% by weight, other than the high aromatic oil.
- Antioxidants, antioxidants, etc. Other optional components, for example, a distribution agent usually used in the rubber industry, for example, a sunset fire, a vulcanization degree adjusting agent, a high loss agent, a low loss agent, and the like.
- a distribution agent usually used in the rubber industry for example, a sunset fire, a vulcanization degree adjusting agent, a high loss agent, a low loss agent, and the like.
- the rubber composition of the present invention is a mixture comprising the above components (a) to (c), an improved highly aromatic oil, and the above optional components (d) to (g).
- the product is usually provided as various rubber articles by heating.
- Highly aromatic oils were prepared according to the refining conditions of the respective purification methods [formulations (formulations 1 to 13 and A to E) described above] shown in Tables 1 to 3 below.
- Properties of the prepared highly aromatic oil (glass transition point Tg, aromatic component, saturated component, Ca (aromatic carbon), Cn (naphthene ring carbon), Cp (paraffin chain carbon), kinematic viscosity, aniline point , Density, volatile content, DMSO extraction amount) are shown in Tables 1 to 3 below.
- Decomposition is a hydrocracking process that selectively decomposes PCA, under conditions of a reaction temperature of 300 to 42 (TC, a pressure of 7.8 to 2 OMPa, and a liquid hourly space velocity of 0.5 to 2. 5kl-oil Zm 3 -catalyst, hydrogen circulation amount 350-710 Nm 3 Zkl-oil.
- Hydrofinishing conditions are as follows: reaction temperature 280-360 ° C, pressure 5.4-12 MPa, liquid space velocity 0.5-2.5 kl-oil Zm 3 -catalyst, hydrogen circulation amount 50-350 Nm 3 / kl-oil 1
- Mild is a solvent extraction condition for obtaining a raffinate of high aromatic and low PCA.
- the solvent used is furfural, the solvent ratio (the ratio of the solvent used to the feed oil) is 1.0 to 3.0, and the extraction temperature is the top. 80-110 ° C, bottom 40-70 ° C.
- Severe is used under solvent extraction conditions to obtain an extract with a high aromatic content.
- the solvent is furfural, the solvent ratio is 3.0 to 6.0, the extraction temperature is 100 to 130 ° at the top of the column (: the bottom is 60 to 90 ° C.
- VD refers to vacuum distillate.
- VR stands for vacuum distillation residue.
- DAE is the solvent extracted oil of VD.
- RAE is a solvent extraction oil for deasphalted VR.
- the glass transition point Tg, aromatic component, saturated component, C a, C n, C p, kinematic viscosity, aniline point, density, volatile matter, and the amount of DMSO extract by Kurz analysis of the highly aromatic oil are as follows, respectively. The measurement and evaluation were carried out by the method described above.
- the glass transition point Tg was measured by the DSC method.
- Aromatic and saturated components were measured by the G1ay-Ge1 method (ASTM D 2007).
- C a aromatic carbon
- C n naphthene ring carbon
- C p paraffin chain carbon
- the kinematic viscosity was measured according to JIS K 2283 [Revised 5.3.1 (ISO 2909, 3104, 3105).
- the aniline point was measured according to JIS K 2256 [Revision 60.11.1.1 (ISO 29777)].
- the density was measured according to JIS K 2249 [Revised 62.3.1 (ISO 91/1, 649/1, 3675, 3838)].
- Volatile content was measured according to JIS K 2207 [revised 2.8.1 (ASTM D6)].
- the processing in parentheses in the table is not indispensable, but is performed as necessary.
- Tables 4 and 5 below show the results of evaluation of the drying workability, the difficulty in producing a veil, and the handling workability of the oil-extended synthetic rubber using the highly aromatic oil of the present invention.
- the oil-extended synthetic rubber was produced according to Tables 4 and 5 below and polymerization preparative examples 1 and 2 below.
- the evaluation of drying workability, difficulty of bale making, and handling workability was performed by the following methods.
- a 5-liter pressure-resistant reaction vessel was charged with 1200 g of dried cyclohexane, 80 g of styrene, and 120 g of butadiene, and the content was adjusted to 50 ° C. Further, after adding 6 Ommol of tetrahydrofuran as a randomizer, a 1.6N n-hexane solution of 1.6 mmol of n-BuLi was added as an initiator. Thereafter, polymerization was carried out at 50 for 2 hours.
- the difficulty of bale production was evaluated by placing the sample in a 1 Ocm x 1 Ocm x 10 cm iron container and molding it with an upper and lower press at 1 MPa for 1 hour to evaluate whether it became a veil.
- a rubber composition was prepared according to the formulation shown in Table 6 and Tables 7 to 9 below, and a test piece was prepared by the following method, and as rubber properties, fracture properties, low-temperature elasticity, aging properties, and mouth properties ( The tan 5), the elastic modulus at 300% elongation (room temperature), the oil bridging property were evaluated, and the DMSO extraction (PCA) was evaluated as safety.
- the results are shown in Table 6 below and Tables 7 to 92.
- the raw materials for master batch having the composition shown in Table 6 below were mixed using a kneader, and then formed into a sheet using a roll having a surface temperature of 70 ° C. After that, the master batch and the raw materials for final were mixed using a kneader, and then formed into a sheet using a roll having a surface temperature of 70 ° C. Thereafter, this was filled in an appropriate mold, vulcanized under the conditions of a temperature of 160 ° C, a pressure of 3.0 MPa, and a heating time of 15 minutes, and then demolded to prepare a predetermined test piece.
- a vulcanized rubber sheet (150 mm XI 5 Omiiix 2 mm) prepared according to the formulation in Formulation 1 in Table 6 below was used at a temperature of 20 ° using a viscoelasticity tester (Toyo Seiki Rheographic Solid L-1R type). The dynamic elastic modulus of C was measured. It should be noted that the "E ten 07" is, the “xl 0 7" means.
- ML 1 +4 was measured on a sample of the unvulcanized rubber prepared according to the blending content of Formulation 1 shown in Table 6 below using a M-212 viscosity meter.
- the measurement was performed at 1% strain, 52 Hz and 25 ° C. using a spectrometer.
- a vulcanized rubber sheet (150 mm X I 50 related X 2 mm) prepared according to the formulation of Formulation 2 in Table 6 below was allowed to stand at room temperature for 48 hours and visually evaluated for the presence of oil bridges. The case without oil bleed was evaluated as “0K”, and the case with oil bleed was evaluated as “NG”.
- Aromatic component (wt%) 77.98 86.69 68.32 17.29 Aromatic (ASTM D2007) Saturated component (wt3 ⁇ 4) 17.53 9.10 26.35 82.15 Kurtz analysis C a 42.50 43.50 39.50 7.50 Incense C n 28.00 28.00 26.50 26.50
- Tables 7 to 9 above show a comparison between the conventional highly aromatic oil and the highly aromatic oil of the present invention.
- the highly aromatic oils of Examples 1 to 14 have excellent safety because the amount of DMSO extracted is 3% or less, so that the existing highly aromatic lubricants of Comparative Examples 1 to 3 ( It has been found that it has the same performance as Aloma oil) and as a rubber composition modifier, it has both excellent rubber properties and safety.
- Comparative Example 6 has a kinematic viscosity of 32 to 50, an aromatic component of 30 to 55% by weight, and a saturated component of 40% by weight or more.
- GB No. 2252978; United States Patent (US) No. 5504135;
- Comparative Example 6 had a saturated component of more than 40% by weight, and as described above, was a highly aromatic oil in the range described in Japanese Patent Publication No. 6-505524. It has been found that when the saturated component exceeds 40% by weight, the breaking properties deteriorate and oil bleeding occurs.
- FIGS. 2 and 3 show a comparison between the highly aromatic oil having a glass transition point of not more than 45 ° C. and not less than 120 ° C. and the highly aromatic oil of the present invention.
- T g is -20 ° C or higher
- the elastic modulus increases and the low-temperature characteristics are significantly deteriorated. It was found that when the value was not sufficient, the elastic modulus changed significantly from the conventional product, and the oil bleeding property was further deteriorated.
- FIG. 7 shows a comparison between the highly aromatic oil having a saturated component of 40% by weight or more and the highly aromatic oil of the present invention. As is clear from the results of FIG. It was found that when the content exceeded 40% by weight, the breaking characteristics deteriorated and oil bleeding occurred.
- the highly aromatic oil of the present invention has excellent safety and performance equivalent to those of existing highly aromatic rubber emulsifiers.
- the oil-extended synthetic rubber used as the extender oil and the rubber composition used as the softener can achieve both excellent safety and performance, and can also have economical efficiency by using the refining method recommended in the present invention.
- the high aromatic oil of the present invention is not limited to rubber softeners and synthetic rubber extender oils, but also uses of conventionally used high aromatic oils such as oils for printing inks and writing implements. Can be used safely for all
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US08/930,351 US6103808A (en) | 1997-06-27 | 1997-06-27 | High aromatic oil and rubber composition and oil extended synthetic rubber using the same |
EP97928506A EP0940462A4 (en) | 1997-06-27 | 1997-06-27 | IMPROVED OIL WITH HIGH AROMAT CONTENT, RUBBER COMPOSITION AND OIL-SPREADED, SYNTHETIC RUBBER, BOTH MADE USING THE HIGH-ARGUM OIL |
PCT/JP1997/002244 WO1997035462A2 (en) | 1997-06-27 | 1997-06-27 | Improved high-aromatic oil, and rubber composition and oil extended synthetic rubber both prepared by using said high aromatic oil |
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PCT/JP1997/002244 WO1997035462A2 (en) | 1997-06-27 | 1997-06-27 | Improved high-aromatic oil, and rubber composition and oil extended synthetic rubber both prepared by using said high aromatic oil |
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WO1997035462A2 true WO1997035462A2 (en) | 1997-10-02 |
WO1997035462A3 WO1997035462A3 (fr) | 1997-11-20 |
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DE3930422A1 (de) * | 1989-09-12 | 1991-03-21 | Bp Oiltech Gmbh | Verfahren zur herstellung von prozessoelen mit niedrigem gehalt an polycyclischen aromaten |
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GB2252978A (en) * | 1991-02-21 | 1992-08-26 | Exxon Research Engineering Co | Rubber processing oil |
US5242579A (en) * | 1991-04-01 | 1993-09-07 | Texaco Inc. | Control method for solvent refining lubricating oils |
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ES2224215T3 (es) * | 1996-10-31 | 2005-03-01 | Repsol Petroleo S.A. | Proceso para la obtencion de aceites aromaticos con un contenido en compuestos aromaticos policiclicos inferior al 3% utiles como aceites de proceso. |
US6103808A (en) * | 1997-06-27 | 2000-08-15 | Bridgestone Corporation | High aromatic oil and rubber composition and oil extended synthetic rubber using the same |
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1997
- 1997-06-27 US US08/930,351 patent/US6103808A/en not_active Expired - Lifetime
- 1997-06-27 WO PCT/JP1997/002244 patent/WO1997035462A2/ja not_active Application Discontinuation
- 1997-06-27 EP EP97928506A patent/EP0940462A4/en not_active Withdrawn
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JP2000309786A (ja) * | 1999-02-26 | 2000-11-07 | Idemitsu Kosan Co Ltd | プロセスオイルおよびその製造方法 |
JP2009013421A (ja) * | 2001-10-02 | 2009-01-22 | Japan Energy Corp | プロセス油及びその製造方法 |
WO2004026954A1 (ja) * | 2002-09-03 | 2004-04-01 | Bridgestone Corporation | タイヤ |
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JP2005023296A (ja) * | 2003-06-30 | 2005-01-27 | Goodyear Tire & Rubber Co:The | 低pcaオイル成分を含有する空気入りタイヤ |
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JPWO2005037915A1 (ja) * | 2003-10-16 | 2006-12-28 | 治 小形 | 可塑剤およびポリマー組成物 |
JP2007522299A (ja) * | 2004-02-11 | 2007-08-09 | ソシエテ ド テクノロジー ミシュラン | ゴム組成物用の可塑系 |
JP2006291195A (ja) * | 2005-03-17 | 2006-10-26 | Showa Shell Sekiyu Kk | ゴムプロセス油およびそれを用いたゴム組成物 |
WO2006129616A1 (ja) * | 2005-05-31 | 2006-12-07 | Idemitsu Kosan Co., Ltd. | プロセスオイル、脱れき油の製造方法、エキストラクトの製造方法、及びプロセスオイルの製造方法 |
US7972496B2 (en) | 2005-05-31 | 2011-07-05 | Idemitsu Kosan Co., Ltd. | Process oil, process for production of deasphalted oil, process for production of extract, and process for production of process oil |
US8758595B2 (en) | 2005-05-31 | 2014-06-24 | Idemitsu Kosan Co., Ltd. | Process oil, process for production of deasphalted oil, process for production of extract, and process for production of process oil |
JP2009503167A (ja) * | 2005-07-29 | 2009-01-29 | ピレリ・タイヤ・ソチエタ・ペル・アツィオーニ | 高性能タイヤ、トレッドバンドおよび架橋性エラストマー組成物 |
JP2007126629A (ja) * | 2005-10-07 | 2007-05-24 | Idemitsu Kosan Co Ltd | ゴム用軟化剤及びゴム組成物 |
JP2010519376A (ja) * | 2007-02-21 | 2010-06-03 | ビーピー ピー・エル・シー・ | 潤滑油基油、潤滑組成物、及びそれらの製造方法 |
WO2010110144A1 (ja) * | 2009-03-27 | 2010-09-30 | 新日本石油株式会社 | ゴム配合油及び芳香族含有基油、並びにこれらの製造方法 |
JP2010229317A (ja) * | 2009-03-27 | 2010-10-14 | Jx Nippon Oil & Energy Corp | ゴム配合油及びその製造方法 |
KR20120004407A (ko) | 2009-03-27 | 2012-01-12 | 제이엑스 닛코닛세키에너지주식회사 | 고무 배합유 및 방향족 함유 기유, 및 이들의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
US6103808A (en) | 2000-08-15 |
EP0940462A2 (en) | 1999-09-08 |
WO1997035462A3 (fr) | 1997-11-20 |
EP0940462A4 (en) | 2005-03-02 |
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