JP2005298626A - ゴム組成物及びそれを用いたタイヤ - Google Patents
ゴム組成物及びそれを用いたタイヤ Download PDFInfo
- Publication number
- JP2005298626A JP2005298626A JP2004115213A JP2004115213A JP2005298626A JP 2005298626 A JP2005298626 A JP 2005298626A JP 2004115213 A JP2004115213 A JP 2004115213A JP 2004115213 A JP2004115213 A JP 2004115213A JP 2005298626 A JP2005298626 A JP 2005298626A
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- JP
- Japan
- Prior art keywords
- group
- rubber composition
- conjugated diene
- mass
- diene polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 135
- 239000005060 rubber Substances 0.000 title claims abstract description 135
- 239000000203 mixture Substances 0.000 title claims abstract description 97
- 229920000642 polymer Polymers 0.000 claims abstract description 96
- 150000001993 dienes Chemical class 0.000 claims abstract description 78
- 125000000524 functional group Chemical group 0.000 claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000006229 carbon black Substances 0.000 claims abstract description 20
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 238000013329 compounding Methods 0.000 claims abstract description 7
- -1 vinyl aromatic compound Chemical class 0.000 claims description 55
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 51
- 125000004432 carbon atom Chemical group C* 0.000 claims description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims description 32
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 29
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 23
- 239000004902 Softening Agent Substances 0.000 claims description 15
- 239000007822 coupling agent Substances 0.000 claims description 13
- 150000002430 hydrocarbons Chemical group 0.000 claims description 13
- 125000004018 acid anhydride group Chemical group 0.000 claims description 12
- 150000001339 alkali metal compounds Chemical class 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 125000003277 amino group Chemical group 0.000 claims description 11
- 229920002554 vinyl polymer Polymers 0.000 claims description 11
- 125000003118 aryl group Chemical group 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 8
- 229920001194 natural rubber Polymers 0.000 claims description 8
- 150000002909 rare earth metal compounds Chemical class 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 7
- 230000009477 glass transition Effects 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 125000002947 alkylene group Chemical group 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims description 5
- 229920003052 natural elastomer Polymers 0.000 claims description 5
- 229920001519 homopolymer Polymers 0.000 claims description 4
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 4
- 125000005156 substituted alkylene group Chemical group 0.000 claims description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 239000000945 filler Substances 0.000 abstract description 32
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract description 16
- 238000005299 abrasion Methods 0.000 abstract description 7
- 238000006116 polymerization reaction Methods 0.000 description 55
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 15
- 239000000178 monomer Substances 0.000 description 14
- 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 12
- 238000000034 method Methods 0.000 description 12
- ZSIQJIWKELUFRJ-UHFFFAOYSA-N azepane Chemical compound C1CCCNCC1 ZSIQJIWKELUFRJ-UHFFFAOYSA-N 0.000 description 10
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 239000003607 modifier Substances 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000000977 initiatory effect Effects 0.000 description 8
- 239000003505 polymerization initiator Substances 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- 238000006011 modification reaction Methods 0.000 description 7
- 150000003335 secondary amines Chemical class 0.000 description 7
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 6
- 238000012718 coordination polymerization Methods 0.000 description 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- WBUSESIMOZDSHU-UHFFFAOYSA-N 3-(4,5-dihydroimidazol-1-yl)propyl-triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN1CCN=C1 WBUSESIMOZDSHU-UHFFFAOYSA-N 0.000 description 4
- 239000002879 Lewis base Substances 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 150000007527 lewis bases Chemical class 0.000 description 4
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 4
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 3
- PRKPGWQEKNEVEU-UHFFFAOYSA-N 4-methyl-n-(3-triethoxysilylpropyl)pentan-2-imine Chemical compound CCO[Si](OCC)(OCC)CCCN=C(C)CC(C)C PRKPGWQEKNEVEU-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000006237 Intermediate SAF Substances 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 150000002642 lithium compounds Chemical class 0.000 description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 3
- 239000005049 silicon tetrachloride Substances 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-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
- RYPKRALMXUUNKS-UHFFFAOYSA-N 2-Hexene Natural products CCCC=CC RYPKRALMXUUNKS-UHFFFAOYSA-N 0.000 description 2
- CVXRTIWVUKWNJA-UHFFFAOYSA-N 3-(3-silylpropyl)oxolane-2,5-dione Chemical compound [SiH3]CCCC1CC(=O)OC1=O CVXRTIWVUKWNJA-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-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
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- SHJXVDAAVHAKFB-UHFFFAOYSA-N [Li]CCCCCCCCCC Chemical compound [Li]CCCCCCCCCC SHJXVDAAVHAKFB-UHFFFAOYSA-N 0.000 description 2
- DINIOIFSQGLSOT-UHFFFAOYSA-N [SiH3]CCCCC(=O)OC(CCCC[SiH3])=O Chemical compound [SiH3]CCCCC(=O)OC(CCCC[SiH3])=O DINIOIFSQGLSOT-UHFFFAOYSA-N 0.000 description 2
- 125000002015 acyclic group Chemical group 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 125000005234 alkyl aluminium group Chemical group 0.000 description 2
- 150000001409 amidines Chemical group 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- BLHLJVCOVBYQQS-UHFFFAOYSA-N ethyllithium Chemical compound [Li]CC BLHLJVCOVBYQQS-UHFFFAOYSA-N 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- 150000002466 imines Chemical class 0.000 description 2
- 125000001841 imino group Chemical group [H]N=* 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 2
- SZAVVKVUMPLRRS-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].C[CH-]C SZAVVKVUMPLRRS-UHFFFAOYSA-N 0.000 description 2
- XBEREOHJDYAKDA-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].CC[CH2-] XBEREOHJDYAKDA-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- QMMOXUPEWRXHJS-UHFFFAOYSA-N pentene-2 Natural products CCC=CC QMMOXUPEWRXHJS-UHFFFAOYSA-N 0.000 description 2
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002683 reaction inhibitor Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- 150000003606 tin compounds Chemical class 0.000 description 2
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- LWNGJAHMBMVCJR-UHFFFAOYSA-N (2,3,4,5,6-pentafluorophenoxy)boronic acid Chemical compound OB(O)OC1=C(F)C(F)=C(F)C(F)=C1F LWNGJAHMBMVCJR-UHFFFAOYSA-N 0.000 description 1
- AHAREKHAZNPPMI-AATRIKPKSA-N (3e)-hexa-1,3-diene Chemical compound CC\C=C\C=C AHAREKHAZNPPMI-AATRIKPKSA-N 0.000 description 1
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- 0 *C(*[Si](N)N)C(OC(*)=O)=O Chemical compound *C(*[Si](N)N)C(OC(*)=O)=O 0.000 description 1
- HIACAHMKXQESOV-UHFFFAOYSA-N 1,2-bis(prop-1-en-2-yl)benzene Chemical compound CC(=C)C1=CC=CC=C1C(C)=C HIACAHMKXQESOV-UHFFFAOYSA-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
- UYMQPNRUQXPLCY-UHFFFAOYSA-N 1-(2-piperidin-1-ylethyl)piperidine Chemical compound C1CCCCN1CCN1CCCCC1 UYMQPNRUQXPLCY-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
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 1
- VKIDPFUHXWSYIO-UHFFFAOYSA-N 2-(2-ethylhexyl)pyrrolidine Chemical compound CCCCC(CC)CC1CCCN1 VKIDPFUHXWSYIO-UHFFFAOYSA-N 0.000 description 1
- RKKZOHYVIAAMEJ-UHFFFAOYSA-N 2-methyl-1-azacycloheptadec-9-ene Chemical compound CC1CCCCCCC=CCCCCCCCN1 RKKZOHYVIAAMEJ-UHFFFAOYSA-N 0.000 description 1
- CRWNQZTZTZWPOF-UHFFFAOYSA-N 2-methyl-4-phenylpyridine Chemical compound C1=NC(C)=CC(C=2C=CC=CC=2)=C1 CRWNQZTZTZWPOF-UHFFFAOYSA-N 0.000 description 1
- NJBCRXCAPCODGX-UHFFFAOYSA-N 2-methyl-n-(2-methylpropyl)propan-1-amine Chemical compound CC(C)CNCC(C)C NJBCRXCAPCODGX-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- UUPBAJZXTCZDOI-UHFFFAOYSA-N 3,5-bis(2-ethylhexyl)piperidine Chemical compound CCCCC(CC)CC1CNCC(CC(CC)CCCC)C1 UUPBAJZXTCZDOI-UHFFFAOYSA-N 0.000 description 1
- MVFXEGZAQBATDY-UHFFFAOYSA-N 3-(2-methylpropyl)-azacyclododecane Chemical compound CC(C)CC1CCCCCCCCCNC1 MVFXEGZAQBATDY-UHFFFAOYSA-N 0.000 description 1
- GXDMUOPCQNLBCZ-UHFFFAOYSA-N 3-(3-triethoxysilylpropyl)oxolane-2,5-dione Chemical compound CCO[Si](OCC)(OCC)CCCC1CC(=O)OC1=O GXDMUOPCQNLBCZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】分子中に窒素を含む官能基を2つ以上有する変性共役ジエン系重合体を10質量%以上含むゴム成分100質量部に対して、カーボンブラック及び/又はシリカを合計50質量部以上、並びに軟化剤を15質量部以上配合してなるゴム組成物である。上記変性共役ジエン系重合体としては、分子中に窒素を含む官能基を5つ以上有するものが好ましい。
【選択図】なし
Description
[式中、R1は、それぞれ独立して炭素数1〜12のアルキル基、シクロアルキル基又はアラルキル基である]で表される置換アミノ基、及び下記式(II):
[式中、R2は、3〜16のメチレン基を有するアルキレン基、置換アルキレン基、オキシアルキレン基又はN-アルキルアミノ-アルキレン基を示す]で表される環状アミノ基からなる群から選択される。
R3 aZXb ・・・ (III)
[式中、R3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、炭素数6〜20のアリール基及び炭素数7〜20のアラルキル基からなる群から選択され;Zは、スズ又はケイ素であり;Xは、それぞれ独立して塩素又は臭素であり;aは0〜3で、bは1〜4で、但し、a+b=4である]、又は下記式(IV):
R3 cZdXe ・・・ (IV)
[式中、R3、Z及びXは、上記と同義であり;cは0〜2(d+1)−1で、dは2以上で、eは1〜2(d+1)で、但し、c+e=2(d+1)である]で表されるカップリング剤から誘導される少なくとも一種のスズ−炭素結合又はケイ素−炭素結合を有する。
(式中、A1は炭素数1〜20の二価の炭化水素基、R4〜R6は、それぞれ独立して炭素数1〜12の一価の炭化水素基、R7は水素原子又は炭素数1〜12の一価の炭化水素基を示し、R6とR7はたがいに結合して環構造を形成していてもよく、nは2又は3であり、各R4Oは互いに同一でも異なっていてもよい)で表される構造を有する。
乾燥し、窒素置換した800mLの耐圧ガラス容器に、シクロヘキサン 300g、1,3-ブタジエン 40g、スチレン 10g、ジテトラヒドロフリルプロパン 0.2mmolを加え、更にn-ブチルリチウム(n-BuLi)0.4mmolを加えた後、50℃で1.5時間重合反応を行った。この際の重合転化率は、ほぼ100%であった。その後、重合反応系に、2,6-ジ-t-ブチル-p-クレゾール(BHT)のイソプロパノール溶液(BHT濃度:5質量%)0.5mLを加えて、重合反応を停止させ、更に常法に従って乾燥して重合体Aを得た。
乾燥し、窒素置換した800mLの耐圧ガラス容器に、シクロヘキサン 300g、1,3-ブタジエン 40g、スチレン 10g、ジテトラヒドロフリルプロパン 0.24mmol、ヘキサメチレンイミン(HMI)0.48mmolを加え、更にn-ブチルリチウム(n-BuLi)0.48mmolを加えた後、50℃で1.5時間重合反応を行った。この際の重合転化率は、ほぼ100%であった。その後、重合反応系に、2,6-ジ-t-ブチル-p-クレゾール(BHT)のイソプロパノール溶液(BHT濃度:5質量%)0.5mLを加えて、重合反応を停止させ、更に常法に従って乾燥して重合体Bを得た。
乾燥し、窒素置換した800mLの耐圧ガラス容器に、シクロヘキサン 300g、1,3-ブタジエン 40g、スチレン 10gと共に、ジテトラヒドロフリルプロパンを表1又は表2に示す量加え、更にn-ブチルリチウム(n-BuLi)を表1又は表2に示す量加えた後、50℃で1.5時間重合反応を行った。この際の重合転化率は、ほぼ100%であった。次に、重合反応系に、変性剤として表1又は表2に示す変性剤を表1又は表2に示す量速やかに加え、更に50℃で30分間変性反応を行った。その後、重合反応系に、2,6-ジ-t-ブチル-p-クレゾール(BHT)のイソプロパノール溶液(BHT濃度:5質量%)0.5mLを加えて、重合反応を停止させ、更に常法に従って乾燥して重合体C、E〜J、L、N、Pを得た。
乾燥し、窒素置換した800mLの耐圧ガラス容器に、シクロヘキサン 300g、1,3-ブタジエン 40g、スチレン 10gと共に、ジテトラヒドロフリルプロパン及びヘキサメチレンイミン(HMI)を表1又は表2に示す量加え、更にn-ブチルリチウム(n-BuLi)を表1又は表2に示す量加えた後、50℃で1.5時間重合反応を行った。この際の重合転化率は、ほぼ100%であった。次に、重合反応系に、変性剤として表1又は表2に示す変性剤を表1又は表2に示す量速やかに加え、更に50℃で30分間変性反応を行った。その後、重合反応系に、2,6-ジ-t-ブチル-p-クレゾール(BHT)のイソプロパノール溶液(BHT濃度:5質量%)0.5mLを加えて、重合反応を停止させ、更に常法に従って乾燥して重合体D、K、M、O、Qを得た。
ゲルパーミエーションクロマトグラフィー[GPC:東ソー製HLC−8020、カラム:東ソー製GMH−XL(2本直列)、検出器:示差屈折率計(RI)]で単分散ポリスチレンを基準として、各重合体のポリスチレン換算の数平均分子量(Mn)及び重量平均分子量(Mw)を求めた。なお、表1及び表2には、各重合体の変性反応前の数平均分子量と、変性反応後の重量平均分子量を示す。
重合体のミクロ構造を赤外法(モレロ法)で求め、重合体の結合スチレン含有量を1H-NMRスペクトルの積分比より求めた。
パーキンエルマー社製の示差熱分析機(DSC)7型装置を用い、各重合体を-100℃まで冷却した後に10℃/minの昇温速度で昇温して、各重合体のガラス転移点を測定した。
*2 N,N'-ジエチルアミノベンゾフェノン.
*3 ジメチルイミダゾリジノン.
*4 N-メチルピロリドン.
*5 N-(1,3-ジメチルブチリデン)-3-(トリエトキシシリル)-1-プロパンアミン.
*6 N-(3-トリエトキシシリルプロピル)-4,5-ジヒドロイミダゾール.
*7 テトラエトキシシラン.
*8 ジメチルジクロロシラン.
*9 1,2-ビス(トリクロロシリル)エタン.
レオメトリックス社製の粘弾性測定装置を用いて、温度50℃、周波数15Hz、歪5%でtanδを測定し、比較例1のゴム組成物のtanδを100として指数表示した。tanδが小さい程、低発熱性に優れることを示す。
ランボーン式摩耗試験機を用い、室温におけるスリップ率60%での摩耗量を測定し、比較例1のゴム組成物の摩耗量を100として指数表示した。指数値が大きい程、摩耗量が少なく、耐摩耗性に優れることを示す。
JIS K6300−1994に準拠し、130℃にてムーニー粘度ML1+4(130℃)を測定した。
*11 ISAF, 窒素吸着比表面積(N2SA)=111m2/g.
*12 N-(1,3-ジメチルブチル)-N'-フェニル-p-フェニレンジアミン.
*13 N-シクロヘキシル-2-ベンゾチアジルスルフェンアミド.
*14 ジフェニルグアニジン.
*15 N-t-ブチル-2-ベンゾチアゾリルスルフェンアミド.
Claims (15)
- 分子中に窒素を含む官能基を2つ以上有する変性共役ジエン系重合体を10質量%以上含むゴム成分100質量部に対して、カーボンブラック及び/又はシリカを合計50質量部以上、並びに軟化剤を15質量部以上配合してなるゴム組成物。
- 前記変性共役ジエン系重合体が分子中に窒素を含む官能基を5つ以上有することを特徴とする請求項1に記載のゴム組成物。
- 前記変性共役ジエン系重合体が、下記式(III):
R3 aZXb ・・・ (III)
[式中、R3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、炭素数6〜20のアリール基及び炭素数7〜20のアラルキル基からなる群から選択され;Zは、スズ又はケイ素であり;Xは、それぞれ独立して塩素又は臭素であり;aは0〜3で、bは1〜4で、但し、a+b=4である]、又は下記式(IV):
R3 cZdXe ・・・ (IV)
[式中、R3、Z及びXは、上記と同義であり;cは0〜2(d+1)−1で、dは2以上で、eは1〜2(d+1)で、但し、c+e=2(d+1)である]で表されるカップリング剤から誘導される少なくとも一種のスズ−炭素結合又はケイ素−炭素結合を有することを特徴とする請求項1又は2に記載のゴム組成物。 - 前記共役ジエン系重合体が、1,3-ブタジエンとビニル芳香族化合物との共重合体又は1,3-ブタジエンの単独重合体であることを特徴とする請求項1に記載のゴム組成物。
- 前記ビニル芳香族化合物がスチレンであることを特徴とする請求項6に記載のゴム組成物。
- 前記変性共役ジエン系重合体は、重量平均分子量(Mw)が5万以上70万未満であることを特徴とする請求項1に記載のゴム組成物。
- 前記変性共役ジエン系重合体は、ガラス転移点(Tg)が0℃以下であることを特徴とする請求項1に記載のゴム組成物。
- 前記共役ジエン系重合体が、有機アルカリ金属化合物又は希土類金属化合物を用いて重合したものであることを特徴とする請求項1に記載のゴム組成物。
- 前記有機アルカリ金属化合物がアルキルリチウムであることを特徴とする請求項10に記載のゴム組成物。
- 前記カーボンブラックの配合量が前記ゴム成分100質量部に対して50質量部以上であることを特徴とする請求項1に記載のゴム組成物。
- 前記軟化剤の配合量が前記ゴム成分100質量部に対して15質量部以上30質量部未満であることを特徴とする請求項1に記載のゴム組成物。
- 前記ゴム成分が、天然ゴム及び/又はポリイソプレンゴムを含むことを特徴とする請求項1に記載のゴム組成物。
- 請求項1〜14のいずれかに記載のゴム組成物を用いたタイヤ。
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| US9206264B2 (en) | 2007-03-23 | 2015-12-08 | Jsr Corporation | Method for producing modified conjugated diene based (co)polymer, modified conjugated diene based (co)polymer, and rubber composition |
| WO2008123164A1 (ja) * | 2007-03-23 | 2008-10-16 | Jsr Corporation | 変性共役ジエン系重合体の製造方法、変性共役ジエン系重合体、及びゴム組成物 |
| US8178626B2 (en) | 2007-03-23 | 2012-05-15 | Jsr Corporation | Method for producing modified conjugated diene based (co)polymer, modified conjugated diene based (co)polymer, and rubber composition |
| RU2451693C2 (ru) * | 2007-03-23 | 2012-05-27 | Джей эс а КОРПОРЕЙШН | Способ получения модифицированного полимера сопряженного диена, модифицированный полимер и каучуковая композиция |
| US8410224B2 (en) | 2007-03-23 | 2013-04-02 | Jsr Corporation | Method for producing modified conjugated diene based (co)polymer, modified conjugated diene based (co)polymer, and rubber composition |
| JP5611585B2 (ja) * | 2007-03-23 | 2014-10-22 | Jsr株式会社 | 変性共役ジエン系重合体の製造方法、変性共役ジエン系重合体、及びゴム組成物 |
| KR101475966B1 (ko) * | 2007-03-23 | 2014-12-23 | 제이에스알 가부시끼가이샤 | 변성 공액 디엔계 중합체의 제조 방법, 변성 공액 디엔계 중합체 및 고무 조성물 |
| WO2008123163A1 (ja) * | 2007-03-23 | 2008-10-16 | Jsr Corporation | 変性共役ジエン系重合体の製造方法、変性共役ジエン系重合体、及びゴム組成物 |
| JP2009091498A (ja) * | 2007-10-10 | 2009-04-30 | Nippon Zeon Co Ltd | 共役ジエン重合体組成物の製造方法 |
| JP2010254975A (ja) * | 2009-03-31 | 2010-11-11 | Nippon Zeon Co Ltd | 防振ゴム部材、架橋物、防振ゴム用組成物、ならびに防振ゴム用共役ジエンゴム組成物およびその製造方法 |
| JPWO2015098264A1 (ja) * | 2013-12-27 | 2017-03-23 | 日本ゼオン株式会社 | 共役ジエン系重合体および共役ジエン系重合体の製造方法 |
| WO2016199779A1 (ja) * | 2015-06-12 | 2016-12-15 | 旭化成株式会社 | 変性共役ジエン系重合体及びその製造方法、ゴム組成物、並びにタイヤ |
| US10434821B2 (en) | 2015-06-12 | 2019-10-08 | Asahi Kasei Kabushiki Kaisha | Modified conjugated diene-based polymer and production method therefor, rubber composition and tire |
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