JP6778260B2 - 変性剤、その製造方法、およびそれを含む変性共役ジエン系重合体 - Google Patents
変性剤、その製造方法、およびそれを含む変性共役ジエン系重合体 Download PDFInfo
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- JP6778260B2 JP6778260B2 JP2018517316A JP2018517316A JP6778260B2 JP 6778260 B2 JP6778260 B2 JP 6778260B2 JP 2018517316 A JP2018517316 A JP 2018517316A JP 2018517316 A JP2018517316 A JP 2018517316A JP 6778260 B2 JP6778260 B2 JP 6778260B2
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- 229920000642 polymer Polymers 0.000 title claims description 67
- 150000001993 dienes Chemical class 0.000 title claims description 64
- 238000004519 manufacturing process Methods 0.000 title claims description 54
- 239000003607 modifier Substances 0.000 title claims description 23
- 239000000126 substance Substances 0.000 claims description 124
- 125000004432 carbon atom Chemical group C* 0.000 claims description 116
- 150000001875 compounds Chemical class 0.000 claims description 82
- 125000000217 alkyl group Chemical group 0.000 claims description 45
- 125000000524 functional group Chemical group 0.000 claims description 37
- 239000000178 monomer Substances 0.000 claims description 32
- 238000006116 polymerization reaction Methods 0.000 claims description 23
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 22
- -1 lithium alkoxide Chemical class 0.000 claims description 18
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- 229920002554 vinyl polymer Polymers 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 9
- 125000002947 alkylene group Chemical group 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000003398 denaturant Substances 0.000 claims description 9
- 150000002902 organometallic compounds Chemical class 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 7
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 6
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 5
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 5
- 150000007514 bases Chemical class 0.000 claims description 5
- 239000003999 initiator Substances 0.000 claims description 5
- 125000005647 linker group Chemical group 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 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 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 150000002736 metal compounds Chemical class 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 claims description 2
- ZWPUOFSQNASCII-UHFFFAOYSA-N 1-(2-ethoxyethoxy)butane Chemical group CCCCOCCOCC ZWPUOFSQNASCII-UHFFFAOYSA-N 0.000 claims description 2
- 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 claims description 2
- CSBDTEMAXHVRBB-UHFFFAOYSA-N 2-ethoxy-n,n-dimethylethanamine Chemical compound CCOCCN(C)C CSBDTEMAXHVRBB-UHFFFAOYSA-N 0.000 claims description 2
- RXAFXHRAUBYNMP-UHFFFAOYSA-N C(C)(C)(C)C1=NC(=CC=C1)C(C)(C)C.C(C)(C)(C)C1=NC(=CC=C1)C(C)(C)C Chemical compound C(C)(C)(C)C1=NC(=CC=C1)C(C)(C)C.C(C)(C)(C)C1=NC(=CC=C1)C(C)(C)C RXAFXHRAUBYNMP-UHFFFAOYSA-N 0.000 claims description 2
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 claims description 2
- BLHLJVCOVBYQQS-UHFFFAOYSA-N ethyllithium Chemical compound [Li]CC BLHLJVCOVBYQQS-UHFFFAOYSA-N 0.000 claims description 2
- AFRJJFRNGGLMDW-UHFFFAOYSA-N lithium amide Chemical compound [Li+].[NH2-] AFRJJFRNGGLMDW-UHFFFAOYSA-N 0.000 claims description 2
- BNHFWQQYLUPDOG-UHFFFAOYSA-N lithium;1,2,2,3-tetramethylpiperidine Chemical compound [Li].CC1CCCN(C)C1(C)C BNHFWQQYLUPDOG-UHFFFAOYSA-N 0.000 claims description 2
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 claims description 2
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 claims description 2
- CETVQRFGPOGIQJ-UHFFFAOYSA-N lithium;hexane Chemical compound [Li+].CCCCC[CH2-] CETVQRFGPOGIQJ-UHFFFAOYSA-N 0.000 claims description 2
- NRUBUZBAZRTHHX-UHFFFAOYSA-N lithium;propan-2-ylazanide Chemical compound [Li+].CC(C)[NH-] NRUBUZBAZRTHHX-UHFFFAOYSA-N 0.000 claims description 2
- XBEREOHJDYAKDA-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].CC[CH2-] XBEREOHJDYAKDA-UHFFFAOYSA-N 0.000 claims description 2
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 claims description 2
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 claims description 2
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 claims description 2
- ZATOFRITFRPYBT-UHFFFAOYSA-N C1=CC=C2C([Li])=CC=CC2=C1 Chemical compound C1=CC=C2C([Li])=CC=CC2=C1 ZATOFRITFRPYBT-UHFFFAOYSA-N 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 description 53
- 239000005060 rubber Substances 0.000 description 53
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 30
- 239000000203 mixture Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 21
- 125000003118 aryl group Chemical group 0.000 description 20
- 230000000694 effects Effects 0.000 description 20
- 238000005481 NMR spectroscopy Methods 0.000 description 17
- 125000001424 substituent group Chemical group 0.000 description 17
- 125000000623 heterocyclic group Chemical group 0.000 description 16
- 125000004404 heteroalkyl group Chemical group 0.000 description 15
- 239000000377 silicon dioxide Substances 0.000 description 14
- 229920003048 styrene butadiene rubber Polymers 0.000 description 13
- 125000005103 alkyl silyl group Chemical group 0.000 description 12
- 238000005299 abrasion Methods 0.000 description 11
- 125000003342 alkenyl group Chemical group 0.000 description 11
- 239000000945 filler Substances 0.000 description 11
- 125000003545 alkoxy group Chemical group 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 244000043261 Hevea brasiliensis Species 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 229920003052 natural elastomer Polymers 0.000 description 9
- 229920001194 natural rubber Polymers 0.000 description 9
- 230000000704 physical effect Effects 0.000 description 9
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 239000002174 Styrene-butadiene Substances 0.000 description 8
- 238000004073 vulcanization Methods 0.000 description 8
- 0 *C(C[N+]([O-])=O)*(*)* Chemical compound *C(C[N+]([O-])=O)*(*)* 0.000 description 7
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical group [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 7
- 125000000304 alkynyl group Chemical group 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 125000005842 heteroatom Chemical group 0.000 description 7
- 239000011256 inorganic filler Substances 0.000 description 7
- 229910003475 inorganic filler Inorganic materials 0.000 description 7
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000010734 process oil Substances 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 239000005062 Polybutadiene Substances 0.000 description 5
- 239000006087 Silane Coupling Agent Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 5
- 238000004898 kneading Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 5
- 125000004430 oxygen atom Chemical group O* 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 125000006193 alkinyl group Chemical group 0.000 description 4
- 230000003712 anti-aging effect Effects 0.000 description 4
- 229920005549 butyl rubber Polymers 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 229910052805 deuterium Inorganic materials 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 230000001976 improved effect Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 125000005017 substituted alkenyl group Chemical group 0.000 description 4
- 125000005415 substituted alkoxy group Chemical group 0.000 description 4
- 125000004426 substituted alkynyl group Chemical group 0.000 description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
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- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
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- 125000004093 cyano group Chemical group *C#N 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
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- 125000000547 substituted alkyl group Chemical group 0.000 description 3
- 125000004434 sulfur atom Chemical group 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
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- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
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- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229940095259 butylated hydroxytoluene Drugs 0.000 description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
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- 125000005843 halogen group Chemical group 0.000 description 2
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 2
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- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 1
- VDNSZPNSUQRUMS-UHFFFAOYSA-N 1-cyclohexyl-4-ethenylbenzene Chemical compound C1=CC(C=C)=CC=C1C1CCCCC1 VDNSZPNSUQRUMS-UHFFFAOYSA-N 0.000 description 1
- JZHGRUMIRATHIU-UHFFFAOYSA-N 1-ethenyl-3-methylbenzene Chemical compound CC1=CC=CC(C=C)=C1 JZHGRUMIRATHIU-UHFFFAOYSA-N 0.000 description 1
- VVTGQMLRTKFKAM-UHFFFAOYSA-N 1-ethenyl-4-propylbenzene Chemical compound CCCC1=CC=C(C=C)C=C1 VVTGQMLRTKFKAM-UHFFFAOYSA-N 0.000 description 1
- OIEANVCCDIRIDJ-UHFFFAOYSA-N 1-ethenyl-5-hexylnaphthalene Chemical compound C1=CC=C2C(CCCCCC)=CC=CC2=C1C=C OIEANVCCDIRIDJ-UHFFFAOYSA-N 0.000 description 1
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 1
- LRMGRIGFYBABAH-UHFFFAOYSA-N 2-(1,3-benzothiazol-2-yltetrasulfanyl)-1,3-benzothiazole Chemical compound C1=CC=C2SC(SSSSC=3SC4=CC=CC=C4N=3)=NC2=C1 LRMGRIGFYBABAH-UHFFFAOYSA-N 0.000 description 1
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
- YRVRZDIWEXCJSX-UHFFFAOYSA-N 2-methyl-3-(3-triethoxysilylpropyl)thiirane-2-carboxylic acid Chemical compound CCO[Si](OCC)(OCC)CCCC1SC1(C)C(O)=O YRVRZDIWEXCJSX-UHFFFAOYSA-N 0.000 description 1
- DVNPFNZTPMWRAX-UHFFFAOYSA-N 2-triethoxysilylethanethiol Chemical compound CCO[Si](CCS)(OCC)OCC DVNPFNZTPMWRAX-UHFFFAOYSA-N 0.000 description 1
- LOSLJXKHQKRRFN-UHFFFAOYSA-N 2-trimethoxysilylethanethiol Chemical compound CO[Si](OC)(OC)CCS LOSLJXKHQKRRFN-UHFFFAOYSA-N 0.000 description 1
- HFGLXKZGFFRQAR-UHFFFAOYSA-N 3-(1,3-benzothiazol-2-yltetrasulfanyl)propyl-trimethoxysilane Chemical compound C1=CC=C2SC(SSSSCCC[Si](OC)(OC)OC)=NC2=C1 HFGLXKZGFFRQAR-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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- C08C19/25—Incorporating silicon atoms into the molecule
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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- 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
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Description
[製造例1:化学式1−13で表される化合物の製造]
シュレンクラインが連結された1Lの丸底フラスコに下記化学式2−1で表される化合物0.1mol(14.91g)を入れ、減圧して水分を完全に除去した後、アルゴン雰囲気下でアセトニトリル(acetonitrile)500mlを入れ、下記化学式3−7で表される化合物0.1mol(42.57g)およびトリエチルアミン(triethylamine)10.12gを投入し、40℃に加熱し、4時間撹拌させることで、下記化学式1−13で表される化合物を得て、1Hおよび13C核磁気共鳴分光学的スペクトルを観察した。
13C NMR (CDCl3, 500 MHz) δ 137.4, 128.8, 128.8, 128.4, 128.4, 127.2, 82.1, 64.7, 58.4, 58.4, 58.4, 58.4, 58.4, 58.4, 56.5, 56.5, 23.9, 23.9, 18.4, 18.4, 18.4, 18.4, 18.4, 18.4, 14.4, 14.4。
シュレンクラインが連結された1Lの丸底フラスコに下記化学式2−1で表される化合物0.1mol(14.91g)を入れ、減圧して水分を完全に除去した後、アルゴン雰囲気下で下記化学式3−10で表される化合物0.1mol(23.84g)を投入し、25℃で1時間撹拌させることで、下記化学式1−14で表される化合物を得て、1Hおよび13C核磁気共鳴分光学的スペクトルを観察した。
13C NMR (CDCl3, 500 MHz) δ 139.0, 128.7, 128.7, 128.6, 128.6, 84.4, 58.4, 58.4, 58.4, 41.1, 32.5, 18.4, 18.4, 18.4, 17.1, 15.6。
前記製造例1において、シュレンクラインが連結された1Lの丸底フラスコに、化学式2−1で表される化合物の代わりに、下記化学式2−3で表される化合物0.1mol(13.91g)を入れたことを除き、前記製造例1と同様の方法により製造して、1Hおよび13C核磁気共鳴分光学的スペクトルを観察した。
13C NMR (CDCl3, 500 MHz) δ 151.1, 141.5, 110.0, 109.2, 80.3, 65.9, 58.4, 58.4, 58.4, 58.4, 58.4, 58.4, 54.1, 54.1, 22.3, 22.3, 18.4, 18.4, 18.4, 18.4, 18.4, 18.4, 14.4, 14.4。
前記製造例2において、シュレンクラインが連結された1Lの丸底フラスコに、化学式2−1で表される化合物の代わりに、下記化学式2−3で表される化合物0.1mol(13.91g)を入れたことを除き、前記製造例2と同様の方法により製造して、1Hおよび13C核磁気共鳴分光学的スペクトルを観察した。
13C NMR (CDCl3, 500 MHz) δ 151.8, 141.5, 110.0, 107.2, 82.6, 58.4, 58.4, 58.4, 42.3, 30.1, 18.4, 18.4, 18.4, 16.5, 15.6。
前記製造例1において、シュレンクラインが連結された1Lの丸底フラスコに、化学式2−1で表される化合物の代わりに、下記化学式2−4で表される化合物0.1mol(16.32g)を入れたことを除き、前記製造例1と同様の方法により製造して、1Hおよび13C核磁気共鳴分光学的スペクトルを観察した。
13C NMR (CDCl3, 500 MHz) δ136.9, 134.4, 128.7, 128.7, 127.2, 127.2, 82.1, 64.7, 58.4, 58.4, 58.4, 58.4, 58.4, 58.4, 56.5, 56.5, 23.9, 23.9, 21.3, 18.4, 18.4, 18.4, 18.4, 18.4, 18.4, 14.4, 14.4。
前記製造例2において、シュレンクラインが連結された1Lの丸底フラスコに、化学式2−1で表される化合物の代わりに、下記化学式2−4で表される化合物0.1mol(16.32g)を入れたことを除き、前記製造例2と同様の方法により製造して、1Hおよび13C核磁気共鳴分光学的スペクトルを観察した。
13C NMR (CDCl3, 500 MHz) δ136.8, 136.0, 128.9, 128.9, 127.3, 127.3, 84.4, 58.4, 58.4, 58.4, 41.1, 32.5, 21.3, 18.4, 18.4, 18.4, 17.1, 15.6。
<実施例1>
20Lのオートクレーブ反応器に、スチレン270g、1,3−ブタジエン710g、およびノルマルヘキサン5,000g、極性添加剤としてジテトラヒドロフリルプロパン0.9g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℃に達した時に、n−ブチルリチウム4.3mmolを反応器に投入し、断熱昇温反応を進行させた。断熱昇温反応が終わってから20分程度経過した後、1,3−ブタジエン20gを投入して重合体の末端をブタジエンでキャッピング(capping)した。5分後、前記製造例1で製造された化学式1−13で表される化合物2.47g(4.3mmol)を投入し、15分間反応させた。その後、エタノールを用いて重合反応を停止させ、酸化防止剤であるBHT(butylated hydroxytoluene)がヘキサンに0.3重量%溶解されている溶液45mlを添加した。その結果として得られた重合物をスチームで加熱された温水に入れ、撹拌して溶媒を除去した後、ロール乾燥して残量の溶媒と水を除去することで、変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変性共役ジエン系重合体の分析結果は、下記表1に示した。
前記実施例1において、前記製造例1で製造された化学式1−13で表される化合物の代わりに、前記製造例2で製造された化学式1−14で表される化合物を1.67g(4.3mmol)投入したことを除き、前記実施例1と同様の方法により実施した。
前記実施例1において、前記製造例1で製造された化学式1−13で表される化合物の代わりに、前記製造例3で製造された化学式1−15で表される化合物を2.42g(4.3mmol)投入したことを除き、前記実施例1と同様の方法により実施した。
前記実施例1において、前記製造例1で製造された化学式1−13で表される化合物の代わりに、前記製造例4で製造された化学式1−16で表される化合物を1.62g(4.3mmol)投入したことを除き、前記実施例1と同様の方法により実施した。
前記実施例1において、前記製造例1で製造された化学式1−13で表される化合物の代わりに、前記製造例5で製造された化学式1−17で表される化合物を2.53g(4.3mmol)投入したことを除き、前記実施例1と同様の方法により実施した。
前記実施例1において、前記製造例1で製造された化学式1−13で表される化合物の代わりに、前記製造例6で製造された化学式1−18で表される化合物を1.73g(4.3mmol)投入したことを除き、前記実施例1と同様の方法により実施した。
前記実施例1において、前記製造例1で製造された化学式1−13で表される化合物を投入していないことを除き、前記実施例1と同様の方法により実施した。
前記実施例1において、前記製造例1で製造された化学式1−13で表される化合物の代わりに、ビス(ジエトキシメチルシリルプロピル)−N−メチルアミンを1.63g(4.3mmol)投入したことを除き、前記実施例1と同様の方法により実施した。
前記実施例1において、前記製造例1で製造された化学式1−13で表される化合物の代わりに、N,N−ビス(トリエトキシシリルプロピル)アミノプロピル−1−イミダゾールを2.30g(4.3mmol)投入したことを除き、前記実施例1と同様の方法により実施した。
<実験例1>
前記実施例および比較例で製造された各変性または未変性の共役ジエン系重合体に対して、重量平均分子量(Mw、X103g/mol)、数平均分子量(Mn、X103g/mol)、分子量分布(MWD)、およびムーニー粘度(MV)をそれぞれ測定した。結果を下記表1に示した。
前記実施例および比較例で製造された各変性または未変性の共役ジエン系共重合体を含むゴム組成物、およびそれから製造された成形品の物性を比較分析するために、引張特性、耐磨耗性、および濡れた路面への抵抗性をそれぞれ測定し、その結果を下記表3に示した。
実施例および比較例の各変性または未変性のスチレン−ブタジエン共重合体を原料ゴムとして、下記表2に示した配合条件で配合した。表2中の原料は、ゴム100重量部を基準とした各重量部である。
引張特性は、ASTM412の引張試験法に準じて各試験片を製造し、前記試験片の切断時における引張強度および300%伸びた時の引張応力(300%モジュラス)を測定した。具体的に、引張特性は、Universal Test Machin 4204(Instron社製)引張試験機を用いて、室温で50cm/minの速度で測定した。
前記製造されたゴム試験片の耐磨耗性を確認するために、DIN摩耗試験機を用いて、摩耗紙が付けられた回転ドラム(Drum)に10Nの荷重をかけ、ゴム試験片をドラムの回転方向の直角方向に移動させた後、摩耗された損失重量を測定し、比較例2の損失重量を基準として指数化して示した。ドラムの回転速度は40rpmであり、試験完了時の試験片の総移動距離は40mである。損失重量の指数値が小さいほど、耐磨耗性に優れることを意味する。
粘弾性特性は、動的機械分析機(TA社製)を用い、歪みモードで、周波数10Hz、各測定温度(−60℃〜60℃)で変形を変化させながらtanδを測定した。ペイン効果(Payne effect)は、変形0.28%〜40%での最小値と最大値の差で示した。低温0℃でのtanδが高いほど、濡れた路面への抵抗性に優れることを意味し、高温60℃でのtanδが低いほど、ヒステリシス損が少なく、低走行抵抗性(燃費性)に優れることを意味する。
加硫特性(t90)は、MDF(moving die rheometer)を用いて150℃で50分間加硫した時に、MH(最大トルク)値および90%加硫されるまでにかかる時間(t90)を測定した。
Claims (17)
- 前記R13は、それぞれ独立して、エチル基またはメチル基である、請求項1に記載の変性剤。
- 前記化学式2−1、化学式2−3または化学式2−4で表される化合物と、前記化学式3−1で表される化合物とのモル比が1:0.5〜2モルである、請求項3に記載の変性剤の製造方法。
- 前記反応は10℃〜90℃の反応温度で行う、請求項3または4に記載の変性剤の製造方法。
- 前記反応は塩基性化合物の存在下で行う、請求項3〜5のいずれか一項に記載の変性剤の製造方法。
- 前記塩基性化合物は、メチルアミン(methylamine)、ジメチルアミン(dimethylamine)、トリエチルアミン(triethylamine)、テトラメチルエチレンジアミン(tetramethylethylenediamine)、リチウムジイソプロピルアミド(lithiumdiisopropylamide)、1,8−ジアザビシクロウンデ−7−セン(1,8−diazabicycloundec−7−ene)、2,6−ジ−t−ブチルピリジン(2,6−di−tert−butylpyridine)、リチウムテトラメチルピペリジン(lithiumtetramethylpiperidine)からなる群から選択される1つ以上である、請求項6に記載の変性剤の製造方法。
- 共役ジエン系単量体由来の繰り返し単位を含み、一側末端に、下記化学式1−1および化学式1−3〜1−12で表される化合物からなる群から選択される1つである変性剤由来の官能基を含むとともに、他側末端に、下記化学式4で表される変性開始剤由来の官能基を含む、変性共役ジエン系重合体。
(前記化学式4中、
R10およびR11は、それぞれ独立して、炭素数1〜20のアルキル基、炭素数3〜20のシクロアルキル基、および炭素数5〜20のアラルキル基からなる群から選択される1つであるか、R10およびR11が互いに結合して隣接したN原子とともに炭素数5〜20の飽和または不飽和の環状構造を形成し、前記R10およびR11が環状構造を形成する場合、分岐構造を有してもよく、
R12は、単結合、炭素数1〜20のアルキレン基、または下記化学式5〜7からなる群から選択される1つの連結基であり、
Mはアルカリ金属である。
- 芳香族ビニル単量体由来の繰り返し単位をさらに含む、請求項8または9に記載の変性共役ジエン系重合体。
- 数平均分子量(Mn)が10,000g/mol〜2,000,000g/molである、請求項8〜10のいずれか一項に記載の変性共役ジエン系重合体。
- 分子量分布(Mw/Mn)が1.0〜8.0である、請求項8〜11のいずれか一項に記載の変性共役ジエン系重合体。
- 前記有機金属化合物が、単量体の総100gを基準として0.01mmol〜10mmolで用いられる、請求項13に記載の変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、メチルリチウム、エチルリチウム、プロピルリチウム、n−ブチルリチウム、s−ブチルリチウム、t−ブチルリチウム、ヘキシルリチウム、n−デシルリチウム、t−オクチルリチウム、フェニルリチウム、1−ナフチルリチウム、n−エイコシルリチウム、4−ブチルフェニルリチウム、4−トリルリチウム、シクロヘキシルリチウム、3,5−ジ−n−ヘプチルシクロヘキシルリチウム、4−シクロペンチルリチウム、ナフチルナトリウム、ナフチルカリウム、リチウムアルコキシド、ナトリウムアルコキシド、カリウムアルコキシド、リチウムスルホネート、ナトリウムスルホネート、カリウムスルホネート、リチウムアミド、ナトリウムアミド、カリウムアミド、およびリチウムイソプロピルアミドからなる群から選択される1つ以上である、請求項13または14に記載の変性共役ジエン系重合体の製造方法。
- 前記有機金属化合物が、下記化学式4で表される化合物である、請求項13〜15のいずれか一項に記載の変性共役ジエン系重合体の製造方法。
(前記化学式4中、
R10およびR11は、それぞれ独立して、炭素数1〜20のアルキル基、炭素数3〜20のシクロアルキル基、および炭素数5〜20のアラルキル基からなる群から選択される1つであるか、R10およびR11が互いに結合して隣接したN原子とともに炭素数5〜20の飽和または不飽和の環状構造を形成し、前記R10およびR11が環状構造を形成する場合、分岐構造を有してもよく、
R12は、単結合、炭素数1〜20のアルキレン基、または下記化学式5〜7からなる群から選択される1つの連結基であり、
Mはアルカリ金属である。
- 前記(S1)ステップにおける重合は、極性添加剤を含んで行うことであり、前記極性添加剤は、テトラヒドロフラン、ジテトラヒドロフリルプロパン、ジエチルエーテル、シクロアマルエーテル、ジプロピルエーテル、エチレンジメチルエーテル、エチレンジメチルエーテル、ジエチルグリコール、ジメチルエーテル、3級ブトキシエトキシエタン、ビス(3−ジメチルアミノエチル)エーテル、(ジメチルアミノエチル)エチルエーテル、トリメチルアミン、トリエチルアミン、トリプロピルアミン、およびテトラメチルエチレンジアミンからなる群から選択される1つ以上である、請求項13〜16のいずれか一項に記載の変性共役ジエン系重合体の製造方法。
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CA1303264C (en) | 1987-05-11 | 1992-06-09 | Hiroyoshi Takao | Modified diene polymer rubbers |
JPH0657769B2 (ja) | 1987-05-11 | 1994-08-03 | 住友化学工業株式会社 | 変性ゴム組成物 |
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JP6057769B2 (ja) * | 2013-02-20 | 2017-01-11 | 大阪瓦斯株式会社 | 抽水完了判定装置及び抽水完了判定方法 |
KR101594217B1 (ko) * | 2013-04-25 | 2016-02-16 | 주식회사 엘지화학 | 변성 공액 디엔계 중합체의 연속 제조방법, 이로부터 수득된 중합체 및 이를 포함하는 고무 조성물 |
EP3059257B1 (en) | 2013-10-17 | 2018-05-16 | LG Chem, Ltd. | Modified conjugated diene-based polymer, preparation method therefor, and rubber composition comprising same |
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KR101891404B1 (ko) * | 2015-12-18 | 2018-08-24 | 주식회사 엘지화학 | 변성 단량체, 이를 포함하는 변성 중합체 및 이들의 제조방법 |
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JP2019505600A (ja) | 2019-02-28 |
CN108368195B (zh) | 2020-12-15 |
EP3348587A4 (en) | 2019-02-27 |
CN108368195A (zh) | 2018-08-03 |
KR102039128B1 (ko) | 2019-10-31 |
EP3348587B1 (en) | 2021-11-17 |
EP3348587A1 (en) | 2018-07-18 |
US11414440B2 (en) | 2022-08-16 |
US20200325164A1 (en) | 2020-10-15 |
US10745423B2 (en) | 2020-08-18 |
US20190023725A1 (en) | 2019-01-24 |
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