JP2010090291A - タイヤ用ゴム組成物及び空気入りタイヤ - Google Patents
タイヤ用ゴム組成物及び空気入りタイヤ Download PDFInfo
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- JP2010090291A JP2010090291A JP2008262151A JP2008262151A JP2010090291A JP 2010090291 A JP2010090291 A JP 2010090291A JP 2008262151 A JP2008262151 A JP 2008262151A JP 2008262151 A JP2008262151 A JP 2008262151A JP 2010090291 A JP2010090291 A JP 2010090291A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 102
- 239000005060 rubber Substances 0.000 title claims abstract description 102
- 239000000203 mixture Substances 0.000 title claims abstract description 46
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 61
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 29
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011593 sulfur Substances 0.000 claims abstract description 28
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 17
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 17
- 229920001194 natural rubber Polymers 0.000 claims abstract description 17
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 229920003049 isoprene rubber Polymers 0.000 claims abstract description 10
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 claims abstract description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 64
- 239000000377 silicon dioxide Substances 0.000 claims description 32
- 239000006229 carbon black Substances 0.000 claims description 18
- 229920002554 vinyl polymer Polymers 0.000 claims description 13
- 229910052744 lithium Inorganic materials 0.000 claims description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 239000003999 initiator Substances 0.000 claims description 7
- 125000004036 acetal group Chemical group 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- XMEKHKCRNHDFOW-UHFFFAOYSA-N O.O.[Na].[Na] Chemical compound O.O.[Na].[Na] XMEKHKCRNHDFOW-UHFFFAOYSA-N 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- URMSIZAJUFVFFU-UHFFFAOYSA-N hydroxy-(6-hydroxysulfonothioyloxyhexoxy)-oxo-sulfanylidene-lambda6-sulfane Chemical compound OS(=O)(=S)OCCCCCCOS(O)(=O)=S URMSIZAJUFVFFU-UHFFFAOYSA-N 0.000 claims description 3
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 21
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 abstract description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 abstract 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 abstract 1
- RCGBHLSDSJSVGM-UHFFFAOYSA-L disodium;oxido-(6-oxidosulfonothioyloxyhexoxy)-oxo-sulfanylidene-$l^{6}-sulfane;dihydrate Chemical compound O.O.[Na+].[Na+].[O-]S(=O)(=S)OCCCCCCOS([O-])(=O)=S RCGBHLSDSJSVGM-UHFFFAOYSA-L 0.000 abstract 1
- 239000005062 Polybutadiene Substances 0.000 description 44
- -1 alkyl lithium Chemical compound 0.000 description 35
- 230000007423 decrease Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical class OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 12
- 238000004073 vulcanization Methods 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 10
- 229910017052 cobalt Inorganic materials 0.000 description 10
- 239000010941 cobalt Substances 0.000 description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000004636 vulcanized rubber Substances 0.000 description 7
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical class C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 6
- 239000006087 Silane Coupling Agent Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 150000007524 organic acids Chemical class 0.000 description 6
- 229960001755 resorcinol Drugs 0.000 description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Natural products O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 5
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- GPNLWUFFWOYKLP-UHFFFAOYSA-N s-(1,3-benzothiazol-2-yl)thiohydroxylamine Chemical compound C1=CC=C2SC(SN)=NC2=C1 GPNLWUFFWOYKLP-UHFFFAOYSA-N 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- DGPKJHGPIAETKL-UHFFFAOYSA-N 2,2-bis(sulfanylidene)-1,3,2-dioxathionane;sodium;dihydrate Chemical compound O.O.[Na].[Na].S=S1(=S)OCCCCCCO1 DGPKJHGPIAETKL-UHFFFAOYSA-N 0.000 description 3
- WHCIAGVVOCLXFV-UHFFFAOYSA-N 2-(1,3-benzothiazol-2-ylsulfanyl)-1,3-benzothiazole Chemical group C1=CC=C2SC(SC=3SC4=CC=CC=C4N=3)=NC2=C1 WHCIAGVVOCLXFV-UHFFFAOYSA-N 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- JQALNNOQTGZTJZ-UHFFFAOYSA-N [[4,6-bis[bis(methoxymethyl)amino]-1,3,5-triazin-2-yl]-(methoxymethyl)amino]methanol Chemical compound COCN(CO)C1=NC(N(COC)COC)=NC(N(COC)COC)=N1 JQALNNOQTGZTJZ-UHFFFAOYSA-N 0.000 description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- AMFIJXSMYBKJQV-UHFFFAOYSA-L cobalt(2+);octadecanoate Chemical compound [Co+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AMFIJXSMYBKJQV-UHFFFAOYSA-L 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 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 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-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
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- BJSBGAIKEORPFG-UHFFFAOYSA-N [[6-amino-1,2,3,4-tetramethoxy-4-(methoxyamino)-1,3,5-triazin-2-yl]-methoxyamino]methanol Chemical compound CONC1(N(C(N(C(=N1)N)OC)(N(CO)OC)OC)OC)OC BJSBGAIKEORPFG-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 125000004104 aryloxy group Chemical group 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 229930003836 cresol Natural products 0.000 description 2
- 125000000000 cycloalkoxy group Chemical group 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 2
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 2
- 239000004312 hexamethylene tetramine Substances 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- CMAUJSNXENPPOF-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-cyclohexylcyclohexanamine Chemical compound C1CCCCC1N(C1CCCCC1)SC1=NC2=CC=CC=C2S1 CMAUJSNXENPPOF-UHFFFAOYSA-N 0.000 description 2
- 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
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 150000003606 tin compounds Chemical class 0.000 description 2
- FBBATURSCRIBHN-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyldisulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSCCC[Si](OCC)(OCC)OCC FBBATURSCRIBHN-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- NILZPUMJDXSYEY-UHFFFAOYSA-N 1-(dimethoxymethylsilyl)-n,n-dimethylmethanamine Chemical compound COC(OC)[SiH2]CN(C)C NILZPUMJDXSYEY-UHFFFAOYSA-N 0.000 description 1
- DLOSDQIBVXBWTB-UHFFFAOYSA-N 1-[dimethyl(propyl)silyl]oxyethanamine Chemical compound CCC[Si](C)(C)OC(C)N DLOSDQIBVXBWTB-UHFFFAOYSA-N 0.000 description 1
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
- QGLPFLXXBPHSPJ-UHFFFAOYSA-N 2-(diethoxymethylsilyl)-N,N-diethylethanamine Chemical compound C(C)N(CC[SiH2]C(OCC)OCC)CC QGLPFLXXBPHSPJ-UHFFFAOYSA-N 0.000 description 1
- KATPBGHRCWDNAQ-UHFFFAOYSA-N 2-(diethoxymethylsilyl)-N,N-dimethylethanamine Chemical compound CN(CC[SiH2]C(OCC)OCC)C KATPBGHRCWDNAQ-UHFFFAOYSA-N 0.000 description 1
- NRUFUSDXXISNBI-UHFFFAOYSA-N 2-(dimethoxymethylsilyl)-N,N-diethylethanamine Chemical compound C(C)N(CC[SiH2]C(OC)OC)CC NRUFUSDXXISNBI-UHFFFAOYSA-N 0.000 description 1
- LJALELTXUDKZQX-UHFFFAOYSA-N 2-[dimethoxy(methyl)silyl]-n,n-dimethylethanamine Chemical compound CO[Si](C)(OC)CCN(C)C LJALELTXUDKZQX-UHFFFAOYSA-N 0.000 description 1
- IKBFHCBHLOZDKH-UHFFFAOYSA-N 2-chloroethyl(triethoxy)silane Chemical compound CCO[Si](CCCl)(OCC)OCC IKBFHCBHLOZDKH-UHFFFAOYSA-N 0.000 description 1
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- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003229 2-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
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- 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
- HBDDTIOFOIOOFL-UHFFFAOYSA-N 3-(diethoxymethylsilyl)-n,n-diethylpropan-1-amine Chemical compound CCOC(OCC)[SiH2]CCCN(CC)CC HBDDTIOFOIOOFL-UHFFFAOYSA-N 0.000 description 1
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- ZYAASQNKCWTPKI-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propan-1-amine Chemical compound CO[Si](C)(OC)CCCN ZYAASQNKCWTPKI-UHFFFAOYSA-N 0.000 description 1
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- 125000003469 3-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
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- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 1
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- LDLLDQZVFIXOCV-UHFFFAOYSA-N 4-(diethoxymethylsilyl)-N,N-dimethylbutan-1-amine Chemical compound CN(CCCC[SiH2]C(OCC)OCC)C LDLLDQZVFIXOCV-UHFFFAOYSA-N 0.000 description 1
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- SKFGZHGVWONCTD-UHFFFAOYSA-N CN(C)C(SSSSC(N(C)C)=[S+]CCC[Si](OC)(OC)OC)=[S+]CCC[Si](OC)(OC)OC Chemical compound CN(C)C(SSSSC(N(C)C)=[S+]CCC[Si](OC)(OC)OC)=[S+]CCC[Si](OC)(OC)OC SKFGZHGVWONCTD-UHFFFAOYSA-N 0.000 description 1
- UMMPRUOKARLAGB-UHFFFAOYSA-N CN(C)C[SiH2]C(OCC)OCC Chemical compound CN(C)C[SiH2]C(OCC)OCC UMMPRUOKARLAGB-UHFFFAOYSA-N 0.000 description 1
- VOOITMAAYKNOLI-UHFFFAOYSA-N CN(CCC[SiH2]C(OC)OC)C Chemical compound CN(CCC[SiH2]C(OC)OC)C VOOITMAAYKNOLI-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000006237 Intermediate SAF Substances 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- BZSHTDOZPMECIQ-UHFFFAOYSA-N N-(diethoxymethylsilylmethyl)-N-ethylethanamine Chemical compound C(C)N(CC)C[SiH2]C(OCC)OCC BZSHTDOZPMECIQ-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- GCTFWCDSFPMHHS-UHFFFAOYSA-M Tributyltin chloride Chemical compound CCCC[Sn](Cl)(CCCC)CCCC GCTFWCDSFPMHHS-UHFFFAOYSA-M 0.000 description 1
- MBHRHUJRKGNOKX-UHFFFAOYSA-N [(4,6-diamino-1,3,5-triazin-2-yl)amino]methanol Chemical compound NC1=NC(N)=NC(NCO)=N1 MBHRHUJRKGNOKX-UHFFFAOYSA-N 0.000 description 1
- YVHDRFKHKGNLNW-UHFFFAOYSA-L [dibutyl(octadecanoyloxy)stannyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCCCCCCCC YVHDRFKHKGNLNW-UHFFFAOYSA-L 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 description 1
- ZQPHXFXBLCHXHD-UHFFFAOYSA-N bis(ethenyl)-diethylstannane Chemical compound CC[Sn](CC)(C=C)C=C ZQPHXFXBLCHXHD-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- YMLFYGFCXGNERH-UHFFFAOYSA-K butyltin trichloride Chemical compound CCCC[Sn](Cl)(Cl)Cl YMLFYGFCXGNERH-UHFFFAOYSA-K 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- KDMCQAXHWIEEDE-UHFFFAOYSA-L cobalt(2+);7,7-dimethyloctanoate Chemical compound [Co+2].CC(C)(C)CCCCCC([O-])=O.CC(C)(C)CCCCCC([O-])=O KDMCQAXHWIEEDE-UHFFFAOYSA-L 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 125000002933 cyclohexyloxy group Chemical group C1(CCCCC1)O* 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- RJGHQTVXGKYATR-UHFFFAOYSA-L dibutyl(dichloro)stannane Chemical compound CCCC[Sn](Cl)(Cl)CCCC RJGHQTVXGKYATR-UHFFFAOYSA-L 0.000 description 1
- DTYWIPLKZHQUMW-UHFFFAOYSA-N dibutyl(diphenyl)stannane Chemical compound C=1C=CC=CC=1[Sn](CCCC)(CCCC)C1=CC=CC=C1 DTYWIPLKZHQUMW-UHFFFAOYSA-N 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- OTARVPUIYXHRRB-UHFFFAOYSA-N diethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](C)(OCC)CCCOCC1CO1 OTARVPUIYXHRRB-UHFFFAOYSA-N 0.000 description 1
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 description 1
- INCQQSKGFIBXAY-UHFFFAOYSA-N dimethyl(diphenyl)stannane Chemical compound C=1C=CC=CC=1[Sn](C)(C)C1=CC=CC=C1 INCQQSKGFIBXAY-UHFFFAOYSA-N 0.000 description 1
- SBOSGIJGEHWBKV-UHFFFAOYSA-L dioctyltin(2+);dichloride Chemical compound CCCCCCCC[Sn](Cl)(Cl)CCCCCCCC SBOSGIJGEHWBKV-UHFFFAOYSA-L 0.000 description 1
- KUCPUSUXIGWHFB-UHFFFAOYSA-N diphenyltin Chemical compound C=1C=CC=CC=1[Sn]C1=CC=CC=C1 KUCPUSUXIGWHFB-UHFFFAOYSA-N 0.000 description 1
- QXYKBSYRGILOTK-UHFFFAOYSA-L disodium;1,6-bis(sulfonatosulfanyl)hexane Chemical compound [Na+].[Na+].[O-]S(=O)(=O)SCCCCCCSS([O-])(=O)=O QXYKBSYRGILOTK-UHFFFAOYSA-L 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- UWEQNHRYSWRQOZ-UHFFFAOYSA-N ethoxy(triphenyl)stannane Chemical compound C=1C=CC=CC=1[Sn](C=1C=CC=CC=1)(OCC)C1=CC=CC=C1 UWEQNHRYSWRQOZ-UHFFFAOYSA-N 0.000 description 1
- 125000005745 ethoxymethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])* 0.000 description 1
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000003090 exacerbative effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- NJVOZLGKTAPUTQ-UHFFFAOYSA-M fentin chloride Chemical compound C=1C=CC=CC=1[Sn](C=1C=CC=CC=1)(Cl)C1=CC=CC=C1 NJVOZLGKTAPUTQ-UHFFFAOYSA-M 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229920005555 halobutyl Polymers 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- UIDWHMKSOZZDAV-UHFFFAOYSA-N lithium tin Chemical compound [Li].[Sn] UIDWHMKSOZZDAV-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- VILGDADBAQFRJE-UHFFFAOYSA-N n,n-bis(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine Chemical compound C1=CC=C2SC(SN(SC=3SC4=CC=CC=C4N=3)C(C)(C)C)=NC2=C1 VILGDADBAQFRJE-UHFFFAOYSA-N 0.000 description 1
- BSDJDVJJSQFGOW-UHFFFAOYSA-N n,n-diethyl-2-triethoxysilylethanamine Chemical compound CCO[Si](OCC)(OCC)CCN(CC)CC BSDJDVJJSQFGOW-UHFFFAOYSA-N 0.000 description 1
- QXQSYCPFYFZNGY-UHFFFAOYSA-N n,n-diethyl-2-trimethoxysilylethanamine Chemical compound CCN(CC)CC[Si](OC)(OC)OC QXQSYCPFYFZNGY-UHFFFAOYSA-N 0.000 description 1
- ZLDHYRXZZNDOKU-UHFFFAOYSA-N n,n-diethyl-3-trimethoxysilylpropan-1-amine Chemical compound CCN(CC)CCC[Si](OC)(OC)OC ZLDHYRXZZNDOKU-UHFFFAOYSA-N 0.000 description 1
- XQGKZMWBTSVYSS-UHFFFAOYSA-N n,n-diethyl-4-trimethoxysilylbutan-1-amine Chemical compound CCN(CC)CCCC[Si](OC)(OC)OC XQGKZMWBTSVYSS-UHFFFAOYSA-N 0.000 description 1
- WYMSENKWVCCQGJ-UHFFFAOYSA-N n,n-dimethyl-1-triethoxysilylmethanamine Chemical compound CCO[Si](CN(C)C)(OCC)OCC WYMSENKWVCCQGJ-UHFFFAOYSA-N 0.000 description 1
- DFVIRQNGJPSMQP-UHFFFAOYSA-N n,n-dimethyl-1-trimethoxysilylmethanamine Chemical compound CO[Si](OC)(OC)CN(C)C DFVIRQNGJPSMQP-UHFFFAOYSA-N 0.000 description 1
- XTOSZDRAGWRSBP-UHFFFAOYSA-N n,n-dimethyl-2-triethoxysilylethanamine Chemical compound CCO[Si](OCC)(OCC)CCN(C)C XTOSZDRAGWRSBP-UHFFFAOYSA-N 0.000 description 1
- AQIQPUUNTCVHBS-UHFFFAOYSA-N n,n-dimethyl-3-triethoxysilylpropan-1-amine Chemical compound CCO[Si](OCC)(OCC)CCCN(C)C AQIQPUUNTCVHBS-UHFFFAOYSA-N 0.000 description 1
- QIOYHIUHPGORLS-UHFFFAOYSA-N n,n-dimethyl-3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN(C)C QIOYHIUHPGORLS-UHFFFAOYSA-N 0.000 description 1
- QVUHBALXLZYVMB-UHFFFAOYSA-N n,n-dimethyl-4-triethoxysilylbutan-1-amine Chemical compound CCO[Si](OCC)(OCC)CCCCN(C)C QVUHBALXLZYVMB-UHFFFAOYSA-N 0.000 description 1
- UWUDIBKKKUZPQH-UHFFFAOYSA-N n,n-dimethyl-4-trimethoxysilylbutan-1-amine Chemical compound CO[Si](OC)(OC)CCCCN(C)C UWUDIBKKKUZPQH-UHFFFAOYSA-N 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- UBHUJVKAJQRWRR-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-2-ethyl-n-(2-ethylhexyl)hexan-1-amine Chemical compound C1=CC=C2SC(SN(CC(CC)CCCC)CC(CC)CCCC)=NC2=C1 UBHUJVKAJQRWRR-UHFFFAOYSA-N 0.000 description 1
- VUPGMBVHOLNANB-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-2-methyl-n-(2-methylhexyl)hexan-1-amine Chemical compound C1=CC=C2SC(SN(CC(C)CCCC)CC(C)CCCC)=NC2=C1 VUPGMBVHOLNANB-UHFFFAOYSA-N 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- UMXXGDJOCQSQBV-UHFFFAOYSA-N n-ethyl-n-(triethoxysilylmethyl)ethanamine Chemical compound CCO[Si](OCC)(OCC)CN(CC)CC UMXXGDJOCQSQBV-UHFFFAOYSA-N 0.000 description 1
- KPIIDEIURMTGCD-UHFFFAOYSA-N n-ethyl-n-(trimethoxysilylmethyl)ethanamine Chemical compound CCN(CC)C[Si](OC)(OC)OC KPIIDEIURMTGCD-UHFFFAOYSA-N 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 125000005767 propoxymethyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])[#8]C([H])([H])* 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- WBVCLUDHJDTUAU-UHFFFAOYSA-N tetrabenzylstannane Chemical compound C=1C=CC=CC=1C[Sn](CC=1C=CC=CC=1)(CC=1C=CC=CC=1)CC1=CC=CC=C1 WBVCLUDHJDTUAU-UHFFFAOYSA-N 0.000 description 1
- XJPKDRJZNZMJQM-UHFFFAOYSA-N tetrakis(prop-2-enyl)stannane Chemical compound C=CC[Sn](CC=C)(CC=C)CC=C XJPKDRJZNZMJQM-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- FPBXRRDHCADTAL-UHFFFAOYSA-N triethoxy(3-nitropropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCC[N+]([O-])=O FPBXRRDHCADTAL-UHFFFAOYSA-N 0.000 description 1
- FJXRKYLOOJTENP-UHFFFAOYSA-N triethoxy-[2-(2-triethoxysilylethyldisulfanyl)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCSSCC[Si](OCC)(OCC)OCC FJXRKYLOOJTENP-UHFFFAOYSA-N 0.000 description 1
- ASAOXGWSIOQTDI-UHFFFAOYSA-N triethoxy-[2-(2-triethoxysilylethyltetrasulfanyl)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCSSSSCC[Si](OCC)(OCC)OCC ASAOXGWSIOQTDI-UHFFFAOYSA-N 0.000 description 1
- URIYERBJSDIUTC-UHFFFAOYSA-N triethoxy-[2-(2-triethoxysilylethyltrisulfanyl)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCSSSCC[Si](OCC)(OCC)OCC URIYERBJSDIUTC-UHFFFAOYSA-N 0.000 description 1
- VTHOKNTVYKTUPI-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSSCCC[Si](OCC)(OCC)OCC VTHOKNTVYKTUPI-UHFFFAOYSA-N 0.000 description 1
- KLFNHRIZTXWZHT-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltrisulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSCCC[Si](OCC)(OCC)OCC KLFNHRIZTXWZHT-UHFFFAOYSA-N 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- PTRSAJDNBVXVMV-UHFFFAOYSA-N triethoxy-[4-(4-triethoxysilylbutyldisulfanyl)butyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCCSSCCCC[Si](OCC)(OCC)OCC PTRSAJDNBVXVMV-UHFFFAOYSA-N 0.000 description 1
- NOPBHRUFGGDSAD-UHFFFAOYSA-N triethoxy-[4-(4-triethoxysilylbutyltetrasulfanyl)butyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCCSSSSCCCC[Si](OCC)(OCC)OCC NOPBHRUFGGDSAD-UHFFFAOYSA-N 0.000 description 1
- KZAORBYGVQCRQZ-UHFFFAOYSA-N triethoxy-[4-(4-triethoxysilylbutyltrisulfanyl)butyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCCSSSCCCC[Si](OCC)(OCC)OCC KZAORBYGVQCRQZ-UHFFFAOYSA-N 0.000 description 1
- QPPXVBLDIDEHBA-UHFFFAOYSA-N trimethoxy(3-nitropropyl)silane Chemical compound CO[Si](OC)(OC)CCC[N+]([O-])=O QPPXVBLDIDEHBA-UHFFFAOYSA-N 0.000 description 1
- JQBSHJQOBJRYIX-UHFFFAOYSA-N trimethoxy-[2-(2-trimethoxysilylethyldisulfanyl)ethyl]silane Chemical compound CO[Si](OC)(OC)CCSSCC[Si](OC)(OC)OC JQBSHJQOBJRYIX-UHFFFAOYSA-N 0.000 description 1
- JSXKIRYGYMKWSK-UHFFFAOYSA-N trimethoxy-[2-(2-trimethoxysilylethyltetrasulfanyl)ethyl]silane Chemical compound CO[Si](OC)(OC)CCSSSSCC[Si](OC)(OC)OC JSXKIRYGYMKWSK-UHFFFAOYSA-N 0.000 description 1
- XHKVDRDQEVZMGO-UHFFFAOYSA-N trimethoxy-[2-(2-trimethoxysilylethyltrisulfanyl)ethyl]silane Chemical compound CO[Si](OC)(OC)CCSSSCC[Si](OC)(OC)OC XHKVDRDQEVZMGO-UHFFFAOYSA-N 0.000 description 1
- NQRACKNXKKOCJY-UHFFFAOYSA-N trimethoxy-[3-(3-trimethoxysilylpropyldisulfanyl)propyl]silane Chemical compound CO[Si](OC)(OC)CCCSSCCC[Si](OC)(OC)OC NQRACKNXKKOCJY-UHFFFAOYSA-N 0.000 description 1
- JTTSZDBCLAKKAY-UHFFFAOYSA-N trimethoxy-[3-(3-trimethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CO[Si](OC)(OC)CCCSSSSCCC[Si](OC)(OC)OC JTTSZDBCLAKKAY-UHFFFAOYSA-N 0.000 description 1
- BNBXBRPOAJZBNB-UHFFFAOYSA-N trimethoxy-[4-(4-trimethoxysilylbutyldisulfanyl)butyl]silane Chemical compound CO[Si](OC)(OC)CCCCSSCCCC[Si](OC)(OC)OC BNBXBRPOAJZBNB-UHFFFAOYSA-N 0.000 description 1
- GSZUEPNJCPXEGU-UHFFFAOYSA-N trimethoxy-[4-(4-trimethoxysilylbutyltrisulfanyl)butyl]silane Chemical compound CO[Si](OC)(OC)CCCCSSSCCCC[Si](OC)(OC)OC GSZUEPNJCPXEGU-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- PGOLTJPQCISRTO-UHFFFAOYSA-N vinyllithium Chemical compound [Li]C=C PGOLTJPQCISRTO-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
【解決手段】スズ変性ポリブタジエンゴム及び/又は下記式(1);
[化1]
(式中、R1、R2及びR3は、同一若しくは異なって、アルキル基、アルコキシ基、シリルオキシ基、アセタール基、カルボキシル基、メルカプト基又はこれらの誘導体を表す。R4及びR5は、同一若しくは異なって、水素原子又はアルキル基を表す。nは整数を表す。)で表される化合物により変性されたポリブタジエンゴム5〜50質量部と天然ゴム及び/又はイソプレンゴム50〜95質量部とを含むゴム成分100質量部に対して、ヘキサメチレンビスチオサルフェート2ナトリウム塩2水和物を0.1〜3質量部、硫黄を2.5〜7質量部含有するタイヤ用ゴム組成物。
【選択図】なし
Description
スズ変性BRとしては、リチウム開始剤により1,3−ブタジエンの重合を行った後、スズ化合物を添加することにより得られ、更に該スズ変性BR分子の末端がスズ−炭素結合で結合されているものが好ましい。
上記式(1)で表される化合物において、R1、R2及びR3は、同一若しくは異なって、アルキル基、アルコキシ基、シリルオキシ基、アセタール基、カルボキシル基(−COOH)、メルカプト基(−SH)又はこれらの誘導体を表す。上記アルキル基としては、例えば、メチル基、エチル基、n−プロピル基、イソプロピル基、n−ブチル基、t−ブチル基等の炭素数1〜4のアルキル基等が挙げられる。上記アルコキシ基としては、例えば、メトキシ基、エトキシ基、n−プロポキシ基、イソプロポキシ基、n−ブトキシ基、t−ブトキシ基等の炭素数1〜8のアルコキシ基(好ましくは炭素数1〜6、より好ましくは炭素数1〜4)等が挙げられる。なお、アルコキシ基には、シクロアルコキシ基(シクロヘキシルオキシ基等の炭素数5〜8のシクロアルコキシ基等)、アリールオキシ基(フェノキシ基、ベンジルオキシ基等の炭素数6〜8のアリールオキシ基等)も含まれる。
なお、本明細書において、ビニル結合量(1,2−結合ブタジエン単位量)は、赤外吸収スペクトル分析法によって測定できる。
本発明のゴム組成物は、ゴム成分として使用されるNR及びIRとしては特に限定されず、ゴム工業において一般的なものを用いることができる。NRには、エポキシ化天然ゴム(ENR)や脱タンパク天然ゴム(DPNR)も含まれる。
メチレン供与体としては、例えば、ヘキサメチレンテトラミン(HMT)、ヘキサメトキシメチロールメラミン(HMMM)やヘキサメチロールメラミンペンタメチルエーテル(HMMPME)、スミカノール507A等が挙げられる。
また、ブレーカー及びケース間ストリップ用にも適用できる。ブレーカー及びケース間ストリップとは、歪みを低減することによりブレーカーエッジのセパレーション、ケース間のセパレーションを防止する目的に用いられるものである。
スズ変性BR:日本ゼオン(株)製のNipol BR1250H(リチウム開始剤:リチウム、スズ原子の含有率:250ppm、Mw/Mn:1.5、ビニル結合量:10〜13質量%)
S変性BR:住友化学(株)製の変性ブタジエンゴム(ビニル結合量15質量%、R1、R2及びR3=−OCH3、R4及びR5=−CH2CH3、n=3)
ハイシスBR:宇部興産(株)製のBR150B 1,4ハイシスBR
変性スチレンブタジエンゴム(変性S−SBR):JSR(株)製のHPR340(結合スチレン量10質量%、アルコキシシランでカップリングし、末端に導入)
NR:TSR20
カーボンブラックN326:昭和キャボット(株)製のカーボンブラックN326(N2SA78m2/g)
シリカZ115G:ローディーア社製Z115Gr(N2SA112m2/g)
シリカVN3:日本シリカ工業(株)ニプシルVN3(N2SA175m2/g)
不溶性硫黄:フレキシス(株)製のクリステックスHSOT20(硫黄80質量%及びオイル分20質量%含む不溶性硫黄)
HTS:フレキシス(株)製のデュラリンクHTS(ヘキサメチレンビスチオサルフェート2ナトリウム2水和物)
スミカノール620:住友化学(株)製の変性レゾルシン樹脂(レゾルシン・アルキルフェノール・ホルマリン共重合体)
スミカノール507A:メチレン供与体(約65質量%のメチロールメラミン樹脂と約35質量%のシリカ及びオイルとの混合物)
酸化亜鉛:東邦亜鉛(株)製の銀嶺R
ステアリン酸コバルト:大日本インキ化学工業(株)製のcost−F(コバルト含有量:9.5質量%)
老化防止剤:大内新興化学工業(株)製のノクラック6C(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)
アロマオイル:(株)ジャパンエナジー製のプロセスX−140
加硫促進剤DCBS:川口化学工業(株)製のアクセルDZ−G(N,N−ジシクロヘキシルベンゾチアゾリルスルフェンアミド)
加硫促進剤BEHZ:川口化学工業(株)製のBEHZ(N,N−ジ(2−エチルヘキシル)−2−ベンゾチアゾリルスルフェンアミド)
表1〜2に示す配合処方にしたがい、バンバリーミキサーを用いて、不溶性硫黄及び加硫促進剤以外の薬品を最高温度が165℃の条件下、5分間混練りし、混練り物を得た。次に、オープンロールを用いて、得られた混練り物に不溶性硫黄及び加硫促進剤を添加し、最高温度が97℃の条件下、3分間練り込み、未加硫ゴム組成物を得た。更に、得られた未加硫ゴム組成物をシート状に圧延後、金型で170℃の条件下で12分間プレス加硫し、加硫ゴムシートを得た。
(粘弾性試験)
加硫ゴムシートから所定サイズの試験片を作製し、(株)岩本製作所製の粘弾性スペクトロメータVESを用いて、周波数10Hz、初期歪10%及び動歪2%条件下で、30℃におけるゴム試験片の複素弾性率(E*)及び損失正接(tanδ)を測定した。なお、E*が大きいほど、剛性に優れ、tanδが小さいほど、低燃費性に優れていることを示す。
接着試験を実施し、加硫ゴムシートを温度80℃、湿度95%の条件下で150時間、湿熱劣化したのちの加硫ゴムシートのゴム被覆率(%)をそれぞれ測定した。ゴム被覆率は、スチールコードとゴム間を剥離したときの剥離面のゴムの覆われている割合を指数表示した。5は100%全面が覆われ、0は全く覆われていない状態を示す。
JIS K 6251「加硫ゴム及び熱可塑性ゴム―引張特性の求め方」に準じて、3号ダンベルを用いて引張り試験を実施し、加硫ゴム試験片の破断時伸び(EB)を測定した。なお、EBが大きいほど、破壊強度に優れることを示す。
Claims (5)
- 更に、シリカ及びカーボンブラックを含有し、
ゴム成分100質量部に対して、前記シリカの含有量が5〜60質量部、前記シリカ及びカーボンブラックの合計含有量が40〜60質量部である請求項1記載のタイヤ用ゴム組成物。 - 前記スズ変性ポリブタジエンゴムが、リチウム開始剤により重合され、スズ原子の含有量が50〜3000ppm、ビニル結合量が5〜50質量%、及び分子量分布(Mw/Mn)が2以下であり、
前記変性されたポリブタジエンゴムのビニル結合量が35質量%以下である請求項1又は2記載のタイヤ用ゴム組成物。 - ブレーカートッピング、ブレーカーエッジストリップ、又はブレーカー及びプライ間のブレーカー下部ゴムに用いられる請求項1〜3のいずれかに記載のタイヤ用ゴム組成物。
- ブレーカーコードを請求項1〜3のいずれかに記載のゴム組成物により被覆して得られるブレーカーを有する空気入りタイヤ。
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| CN113788992A (zh) * | 2021-07-27 | 2021-12-14 | 中策橡胶集团有限公司 | 一种白炭黑补强的胎侧胶料及其混炼方法和轮胎 |
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