JP6312173B2 - 末端機能性共役ジエン系重合体及びこの製造方法 - Google Patents
末端機能性共役ジエン系重合体及びこの製造方法 Download PDFInfo
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- JP6312173B2 JP6312173B2 JP2016533259A JP2016533259A JP6312173B2 JP 6312173 B2 JP6312173 B2 JP 6312173B2 JP 2016533259 A JP2016533259 A JP 2016533259A JP 2016533259 A JP2016533259 A JP 2016533259A JP 6312173 B2 JP6312173 B2 JP 6312173B2
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- conjugated diene
- diene polymer
- terminal functional
- functional conjugated
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- 229920000642 polymer Polymers 0.000 title claims description 134
- 150000001993 dienes Chemical class 0.000 title claims description 129
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000000178 monomer Substances 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 31
- 125000000217 alkyl group Chemical group 0.000 claims description 30
- 229920001971 elastomer Polymers 0.000 claims description 29
- 239000005060 rubber Substances 0.000 claims description 29
- 229920002554 vinyl polymer Polymers 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 150000002902 organometallic compounds Chemical class 0.000 claims description 17
- 238000006116 polymerization reaction Methods 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 125000002947 alkylene group Chemical group 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000011256 inorganic filler Substances 0.000 claims description 12
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 9
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 7
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- QZCVHNNFXOSTJR-UHFFFAOYSA-N N1(CCCC1)CCC1=CC=C(C=C)C=C1.N1(CCCC1)CCC1=CC=C(C=C)C=C1 Chemical compound N1(CCCC1)CCC1=CC=C(C=C)C=C1.N1(CCCC1)CCC1=CC=C(C=C)C=C1 QZCVHNNFXOSTJR-UHFFFAOYSA-N 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- GACCIGKHKJAMAX-UHFFFAOYSA-N 1-[2-(3-prop-1-en-2-ylphenyl)propyl]pyrrolidine Chemical compound C=1C=CC(C(C)=C)=CC=1C(C)CN1CCCC1 GACCIGKHKJAMAX-UHFFFAOYSA-N 0.000 claims description 3
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- WEQCDLVFEIODMC-UHFFFAOYSA-N N1(CCCC1)CCC=1C=C(C=C)C=CC1.N1(CCCC1)CCC=1C=C(C=C)C=CC1 Chemical compound N1(CCCC1)CCC=1C=C(C=C)C=CC1.N1(CCCC1)CCC=1C=C(C=C)C=CC1 WEQCDLVFEIODMC-UHFFFAOYSA-N 0.000 claims 2
- 238000004581 coalescence Methods 0.000 claims 1
- 150000002736 metal compounds Chemical class 0.000 claims 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 18
- -1 2-pyrrolidinoethyl Chemical group 0.000 description 12
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
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- LMAFWBCYAPNOFK-UHFFFAOYSA-N 1-[2-(4-ethenylphenyl)ethyl]pyrrolidine Chemical compound C1=CC(C=C)=CC=C1CCN1CCCC1 LMAFWBCYAPNOFK-UHFFFAOYSA-N 0.000 description 5
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 4
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- 238000004898 kneading Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- UVWDURSDRDHMHC-UHFFFAOYSA-N 3-diethoxysilyl-N-(3-diethoxysilylbutyl)-N-methylbutan-1-amine Chemical compound CC(CCN(C)CCC(C)[SiH](OCC)OCC)[SiH](OCC)OCC UVWDURSDRDHMHC-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
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- 239000011734 sodium Substances 0.000 description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 3
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- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 2
- VDNSZPNSUQRUMS-UHFFFAOYSA-N 1-cyclohexyl-4-ethenylbenzene Chemical compound C1=CC(C=C)=CC=C1C1CCCCC1 VDNSZPNSUQRUMS-UHFFFAOYSA-N 0.000 description 2
- JZHGRUMIRATHIU-UHFFFAOYSA-N 1-ethenyl-3-methylbenzene Chemical compound CC1=CC=CC(C=C)=C1 JZHGRUMIRATHIU-UHFFFAOYSA-N 0.000 description 2
- VVTGQMLRTKFKAM-UHFFFAOYSA-N 1-ethenyl-4-propylbenzene Chemical compound CCCC1=CC=C(C=C)C=C1 VVTGQMLRTKFKAM-UHFFFAOYSA-N 0.000 description 2
- OIEANVCCDIRIDJ-UHFFFAOYSA-N 1-ethenyl-5-hexylnaphthalene Chemical compound C1=CC=C2C(CCCCCC)=CC=CC2=C1C=C OIEANVCCDIRIDJ-UHFFFAOYSA-N 0.000 description 2
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 2
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 2
- HBWITNNIJDLPLS-UHFFFAOYSA-N 4-[1-[4-(dimethylamino)phenyl]ethenyl]-n,n-dimethylaniline Chemical compound C1=CC(N(C)C)=CC=C1C(=C)C1=CC=C(N(C)C)C=C1 HBWITNNIJDLPLS-UHFFFAOYSA-N 0.000 description 2
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 2
- UGWOAPBVIGCNOV-UHFFFAOYSA-N 5-ethenyldec-5-ene Chemical compound CCCCC=C(C=C)CCCC UGWOAPBVIGCNOV-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 2
- BSKSORDGAYXITD-UHFFFAOYSA-N N1(CCCC1)CCC=1C=C(C=C)C=CC1.C=CC1=CC=CC=C1 Chemical compound N1(CCCC1)CCC=1C=C(C=C)C=CC1.C=CC1=CC=CC=C1 BSKSORDGAYXITD-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
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- 150000001450 anions Chemical class 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZWPUOFSQNASCII-UHFFFAOYSA-N 1-(2-ethoxyethoxy)butane Chemical group CCCCOCCOCC ZWPUOFSQNASCII-UHFFFAOYSA-N 0.000 description 1
- GTEXIOINCJRBIO-UHFFFAOYSA-N 2-[2-(dimethylamino)ethoxy]-n,n-dimethylethanamine Chemical compound CN(C)CCOCCN(C)C GTEXIOINCJRBIO-UHFFFAOYSA-N 0.000 description 1
- ZRTMFJSPNYSTNF-UHFFFAOYSA-N 2-[2-(oxiran-2-yl)propan-2-yl]oxirane Chemical compound C1OC1C(C)(C)C1CO1 ZRTMFJSPNYSTNF-UHFFFAOYSA-N 0.000 description 1
- ZFFBIQMNKOJDJE-UHFFFAOYSA-N 2-bromo-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(Br)C(=O)C1=CC=CC=C1 ZFFBIQMNKOJDJE-UHFFFAOYSA-N 0.000 description 1
- CSBDTEMAXHVRBB-UHFFFAOYSA-N 2-ethoxy-n,n-dimethylethanamine Chemical compound CCOCCN(C)C CSBDTEMAXHVRBB-UHFFFAOYSA-N 0.000 description 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- NTYDXFVCCCPXRG-UHFFFAOYSA-N [Li]C(C)(C)CC(C)(C)C Chemical compound [Li]C(C)(C)CC(C)(C)C NTYDXFVCCCPXRG-UHFFFAOYSA-N 0.000 description 1
- FYOQEFGAZKEPGG-UHFFFAOYSA-N [Li]C1=CC=C(C)C=C1 Chemical compound [Li]C1=CC=C(C)C=C1 FYOQEFGAZKEPGG-UHFFFAOYSA-N 0.000 description 1
- SEVZJBPKDJZGFW-UHFFFAOYSA-N [Li]C1=CC=C(CCCC)C=C1 Chemical compound [Li]C1=CC=C(CCCC)C=C1 SEVZJBPKDJZGFW-UHFFFAOYSA-N 0.000 description 1
- XAGXFZXSTCZIQR-UHFFFAOYSA-N [Li]C1CC(CCCCCCC)CC(CCCCCCC)C1 Chemical compound [Li]C1CC(CCCCCCC)CC(CCCCCCC)C1 XAGXFZXSTCZIQR-UHFFFAOYSA-N 0.000 description 1
- LFASRCHQAYIROH-UHFFFAOYSA-N [Li]C1CCCC1 Chemical compound [Li]C1CCCC1 LFASRCHQAYIROH-UHFFFAOYSA-N 0.000 description 1
- SHJXVDAAVHAKFB-UHFFFAOYSA-N [Li]CCCCCCCCCC Chemical compound [Li]CCCCCCCCCC SHJXVDAAVHAKFB-UHFFFAOYSA-N 0.000 description 1
- WZBHJENIKYQMHC-UHFFFAOYSA-N [Li]CCCCCCCCCCCCCCCCCCCC Chemical compound [Li]CCCCCCCCCCCCCCCCCCCC WZBHJENIKYQMHC-UHFFFAOYSA-N 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229960004217 benzyl alcohol Drugs 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- LEKSIJZGSFETSJ-UHFFFAOYSA-N cyclohexane;lithium Chemical compound [Li]C1CCCCC1 LEKSIJZGSFETSJ-UHFFFAOYSA-N 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- QCHWBGRKGNYJSM-UHFFFAOYSA-N ethene Chemical group C=C.C=C.C=C QCHWBGRKGNYJSM-UHFFFAOYSA-N 0.000 description 1
- BLHLJVCOVBYQQS-UHFFFAOYSA-N ethyllithium Chemical compound [Li]CC BLHLJVCOVBYQQS-UHFFFAOYSA-N 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- AFRJJFRNGGLMDW-UHFFFAOYSA-N lithium amide Chemical compound [Li+].[NH2-] AFRJJFRNGGLMDW-UHFFFAOYSA-N 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- SZAVVKVUMPLRRS-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].C[CH-]C SZAVVKVUMPLRRS-UHFFFAOYSA-N 0.000 description 1
- 238000010551 living anionic polymerization reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 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
- 150000001282 organosilanes Chemical class 0.000 description 1
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003298 rubidium compounds Chemical class 0.000 description 1
- 229930000044 secondary metabolite Natural products 0.000 description 1
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/25—Incorporating silicon atoms into the molecule
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/22—Incorporating nitrogen atoms into the molecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/26—Incorporating metal atoms into the molecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/30—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
- C08C19/42—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups
- C08C19/44—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/10—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl-aromatic monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- 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
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Description
本発明は、下記化学式1で表される重合体であることを特徴とする末端機能性共役ジエン系重合体を提供する。
(b)金属末端を有する活性重合体を下記化学式2で表される化合物でエンド−キャッピング(end−capping)させるステップと、(c)前記活性重合体に下記化学式3で表される化合物を投入して変性させるステップとを含む末端機能性共役ジエン系重合体の製造方法を提供する。
また、本発明は、前記末端機能性共役ジエン系重合体100重量部に対して無機充填剤0.1〜200重量部を含む末端機能性共役ジエン系重合体ゴム組成物を提供する。
前記化学式2で表される化合物は、4,4’−ビニリデンビス(n,n−ジメチルアニリン)(4,4’−vinylidenebis(n,n−dimethylaniline))、3−(2−ピロリジノエチル)スチレン(3−(2−Pyrrolidino Ethyl)styrene))、4−(2−ピロリジノエチル)スチレン(4−(2−Pyrrolidino Ethyl)styrene))、及び(3−(2−ピロリジノ−1−メチルエチル)−アルファ−メチルスチレンからなる群より選ばれるいずれか1つ以上でありうる。
[実施例1]
20Lオートクレーブ反応器にスチレン260g、1,3−ブタジエン720g、ノーマルヘキサン5000g、極性添加剤として2,2−ビス(2−オキシラニル)プロパン1.3gを入れた後、反応器の内部温度を40℃に昇温した。反応器の内部温度が40℃に到達したとき、n−ブチルリチウム4mmolを反応器に投入して安定するまで断熱昇温反応を進めた。断熱昇温反応が終わった後、20余分経過後、1,3−ブタジエン20gを投入してリチウム末端を有する活性重合体を形成した。その後、3または4−ピロリジノエチルスチレン0.5gを投入し、30分間反応させて活性重合体をエンド−キャッピングさせた。
前記実施例1において3または4−ピロリジノエチルスチレン0.5gの代わりに1gを投入したことを除いては、前記実施例1と同様に行って、末端機能性共役ジエン系重合体を製造した。このように製造された末端機能性共役ジエン系重合体に対する分析結果は、下記表1に表した。
前記実施例1において3または4−ピロリジノエチルスチレンの代りに(3−(2−ピロリジノ−1−メチルエチル)−アルファ−メチルスチレンを1gを入れたことを除いては、前記実施例1と同様に行って、末端機能性共役ジエン系重合体を製造した。このように製造された末端機能性共役ジエン系重合体に対する分析結果は、下記表1に表した。
前記実施例1においてビス(メチルジエトキシシリルプロピル)−N−メチルアミンを入れないことを除いては、前記実施例1と同様に行って、末端機能性共役ジエン系重合体を製造した。このように製造された末端機能性共役ジエン系重合体に対する分析結果は、下記表1に表した。
前記実施例1においてビス(メチルジエトキシシリルプロピル)−N−メチルアミンを入れずに、3または4−ピロリジノエチルスチレンをスチレン及びブタジエンと共に入れて重合したことを除いては、前記実施例1と同様に行って、ランダム機能性共役ジエン系重合体を製造した。このように製造されたランダム機能性共役ジエン系重合体に対する分析結果は、下記表1に表した。
前記実施例1において3または4−ピロリジノエチルスチレンを入れないことを除いては、前記実施例1と同様に行って、末端機能性共役ジエン系重合体を製造した。
i)ムーニー粘度:ALPHA Technologies社のMV−2000を用いて試片重量15g以上を2個用いて1分間予熱した後、100℃で4分間測定した。
ii)スチレンモノマー(SM)及びビニル(Vinyl)含量:NMRを用いて測定した。
iii)重量平均分子量(Mw)、数平均分子量(Mn)、及び分子量分布度(PDI):40℃条件下でGPC分析により測定した。
各製造された加硫ゴムの物性は、以下の方法により測定した。
ASTM412の引張試験法により試験片のせん断時の引張強度及び300%伸び時の引張応力(300%モジュラス)を測定した。
TA社の動的機械分析機を使用した。ねじりモードで周波数10Hz、各測定温度(0〜60℃)で変形を変化させてTanδを測定し、比較例1を100としてインデックスで表記した。低温0℃のTanδが高く、高温60℃のTanδが低いほど、インデックスを大きく表して物性向上の指標として活用した。
Claims (23)
- 下記化学式1で表される重合体であることを特徴とする末端機能性共役ジエン系重合体。
- 前記化学式2は、4−(2−ピロリジノエチル)スチレン(4−(2−Pyrrolidino Ethyl)styrene)であることを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- 前記lは、0または1であることを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- 前記kは、0または1であることを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- 前記化学式1は、kが1であり、lが1であり、mが1であることを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- 前記共役ジエン系ポリマー鎖は、共役ジエン系単量体及びビニル芳香族単量体を含んでなるランダム共重合体鎖であることを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- 前記末端機能性共役ジエン系重合体は、数平均分子量が1,000〜2,000,000g/molであることを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- 前記末端機能性共役ジエン系重合体は、ビニル含量が18%以上であることを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- 前記末端機能性共役ジエン系重合体は、共役ジエン単量体と芳香族ビニル系単量体とを合わせた合計100重量%を基準として芳香族ビニル系単量体が10〜40重量%で含まれたことを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- 前記末端機能性共役ジエン系重合体は、ムーニー粘度が65以上であることを特徴とする請求項1に記載の末端機能性共役ジエン系重合体。
- (a)共役ジエン系単量体または共役ジエン系単量体とビニル芳香族単量体とを溶媒下で有機金属化合物を用いて重合させて金属末端を有する活性重合体を形成するステップと、
(b)金属末端を有する活性重合体を下記化学式2で表される化合物、3−(2−ピロリジノエチル)スチレン(3−(2−Pyrrolidino Ethyl)styrene)または3−(2−ピロリジノ−1−メチルエチル)−アルファ−メチルスチレンでエンド−キャッピング(end−capping)させるステップと、
(c)前記活性重合体に下記化学式3で表される化合物を投入して変性させるステップと、
を含む末端機能性共役ジエン系重合体の製造方法。
- 前記化学式2は、4−(2−ピロリジノエチル)スチレン(4−(2−Pyrrolidino Ethyl)styrene)であることを特徴とする請求項11に記載の末端機能性共役ジエン系重合体の製造方法。
- 前記化学式2で表される化合物は、単量体全体を基準として0.05重量%〜10重量%で含まれることを特徴とする請求項11に記載の末端機能性共役ジエン系重合体の製造方法。
- 前記有機金属化合物は、有機アルカリ金属化合物であることを特徴とする請求項11に記載の末端機能性共役ジエン系重合体の製造方法。
- 前記有機金属化合物は、前記単量体合計100gを基準として0.01〜10mmolで使用されることを特徴とする請求項11に記載の末端機能性共役ジエン系重合体の製造方法。
- 前記有機金属化合物と前記化学式3で表される化合物とのモル比は、1:0.1〜1:10であることを特徴とする請求項11に記載の末端機能性共役ジエン系重合体の製造方法。
- 前記(a)の重合は、極性添加剤がさらに投入されることを特徴とする請求項11に記載の末端機能性共役ジエン系重合体の製造方法。
- 前記極性添加剤は、前記有機金属化合物の合計1mmolを基準として0.1〜10モル比で投入されることを特徴とする請求項17に記載の末端機能性共役ジエン系重合体の製造方法。
- 請求項11〜18のいずれか1項の末端機能性共役ジエン系重合体の製造方法によって製造された末端機能性共役ジエン系重合体。
- 請求項1〜10のいずれか1項の末端機能性共役ジエン系重合体100重量部に対して無機充填剤0.1〜200重量部を含んでなることを特徴とする末端機能性共役ジエン系重合体ゴム組成物。
- 前記末端機能性共役ジエン系重合体10〜100重量%と、これとは異なる末端機能性共役ジエン系重合体0〜90重量%からなる重合体混合物100重量部にカーボンブラック0〜100重量部、シリカ5〜200重量部、及びシランカップリング剤2〜20重量部を含んでなることを特徴とする請求項20に記載の末端機能性共役ジエン系重合体ゴム組成物。
- 前記無機充填剤は、シリカ系充填剤であることを特徴とする請求項20に記載の末端機能性共役ジエン系重合体ゴム組成物。
- 請求項20の末端機能性共役ジエン系重合体ゴム組成物を含んでなるタイヤ。
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