JP6058437B2 - ゴム組成物及び空気入りタイヤ - Google Patents
ゴム組成物及び空気入りタイヤ Download PDFInfo
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- JP6058437B2 JP6058437B2 JP2013053364A JP2013053364A JP6058437B2 JP 6058437 B2 JP6058437 B2 JP 6058437B2 JP 2013053364 A JP2013053364 A JP 2013053364A JP 2013053364 A JP2013053364 A JP 2013053364A JP 6058437 B2 JP6058437 B2 JP 6058437B2
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- cyclohexane
- compound
- rubber
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- 239000000203 mixture Substances 0.000 title claims description 47
- 229920001971 elastomer Polymers 0.000 title claims description 41
- 239000005060 rubber Substances 0.000 title claims description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 61
- 229910000077 silane Inorganic materials 0.000 claims description 30
- 239000000377 silicon dioxide Substances 0.000 claims description 30
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 24
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 19
- 229920003244 diene elastomer Polymers 0.000 claims description 18
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 12
- 125000003545 alkoxy group Chemical group 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 125000004417 unsaturated alkyl group Chemical group 0.000 claims description 6
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 claims description 5
- 125000002883 imidazolyl group Chemical group 0.000 claims description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 64
- 150000001875 compounds Chemical class 0.000 description 62
- 239000000126 substance Substances 0.000 description 32
- 238000006243 chemical reaction Methods 0.000 description 27
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 23
- 150000001282 organosilanes Chemical class 0.000 description 22
- 239000006087 Silane Coupling Agent Substances 0.000 description 19
- -1 silane compound Chemical class 0.000 description 19
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 14
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 10
- 238000004073 vulcanization Methods 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 235000002597 Solanum melongena Nutrition 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 238000013329 compounding Methods 0.000 description 8
- 229910001873 dinitrogen Inorganic materials 0.000 description 8
- 239000000446 fuel Substances 0.000 description 8
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 8
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 description 7
- 150000008117 polysulfides Polymers 0.000 description 7
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 229940087305 limonene Drugs 0.000 description 6
- 235000001510 limonene Nutrition 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000005077 polysulfide Substances 0.000 description 6
- 229920001021 polysulfide Polymers 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 6
- TXDNPSYEJHXKMK-UHFFFAOYSA-N sulfanylsilane Chemical compound S[SiH3] TXDNPSYEJHXKMK-UHFFFAOYSA-N 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 239000005062 Polybutadiene Substances 0.000 description 5
- 125000005370 alkoxysilyl group Chemical group 0.000 description 5
- 230000020169 heat generation Effects 0.000 description 5
- 239000011256 inorganic filler Substances 0.000 description 5
- 229910003475 inorganic filler Inorganic materials 0.000 description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 description 5
- PMBXCGGQNSVESQ-UHFFFAOYSA-N 1-Hexanethiol Chemical compound CCCCCCS PMBXCGGQNSVESQ-UHFFFAOYSA-N 0.000 description 4
- 238000004438 BET method Methods 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 4
- 150000001721 carbon Chemical group 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 239000007822 coupling agent Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 229920003052 natural elastomer Polymers 0.000 description 4
- 229920001194 natural rubber Polymers 0.000 description 4
- 229920002857 polybutadiene Polymers 0.000 description 4
- 239000012763 reinforcing filler Substances 0.000 description 4
- 125000003396 thiol group Chemical group [H]S* 0.000 description 4
- BBDKZWKEPDTENS-UHFFFAOYSA-N 4-Vinylcyclohexene Chemical compound C=CC1CCC=CC1 BBDKZWKEPDTENS-UHFFFAOYSA-N 0.000 description 3
- 241001441571 Hiodontidae Species 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 229920003049 isoprene rubber Polymers 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- 239000003921 oil Substances 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
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 2
- DVNPFNZTPMWRAX-UHFFFAOYSA-N 2-triethoxysilylethanethiol Chemical compound CCO[Si](CCS)(OCC)OCC DVNPFNZTPMWRAX-UHFFFAOYSA-N 0.000 description 2
- DQMRXALBJIVORP-UHFFFAOYSA-N 3-[methoxy(dimethyl)silyl]propane-1-thiol Chemical compound CO[Si](C)(C)CCCS DQMRXALBJIVORP-UHFFFAOYSA-N 0.000 description 2
- ZFJOUHFNFGCTFN-UHFFFAOYSA-N CC1C(CC(CC1)C(C)(C)SCCC[Si](OCC)(OCC)OCC)SCCC[Si](OCC)(OCC)OCC Chemical compound CC1C(CC(CC1)C(C)(C)SCCC[Si](OCC)(OCC)OCC)SCCC[Si](OCC)(OCC)OCC ZFJOUHFNFGCTFN-UHFFFAOYSA-N 0.000 description 2
- NGCVYKCFKRDZDK-UHFFFAOYSA-N CCO[Si](CCCSC(C)(C)C1CCC(C(C1)SC2=NC=CN2C)C)(OCC)OCC Chemical compound CCO[Si](CCCSC(C)(C)C1CCC(C(C1)SC2=NC=CN2C)C)(OCC)OCC NGCVYKCFKRDZDK-UHFFFAOYSA-N 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- KYIKRXIYLAGAKQ-UHFFFAOYSA-N abcn Chemical compound C1CCCCC1(C#N)N=NC1(C#N)CCCCC1 KYIKRXIYLAGAKQ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- PMRYVIKBURPHAH-UHFFFAOYSA-N methimazole Chemical compound CN1C=CNC1=S PMRYVIKBURPHAH-UHFFFAOYSA-N 0.000 description 2
- QJAOYSPHSNGHNC-UHFFFAOYSA-N octadecane-1-thiol Chemical compound CCCCCCCCCCCCCCCCCCS QJAOYSPHSNGHNC-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
- 150000001451 organic peroxides Chemical class 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 150000004756 silanes Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
- 150000003573 thiols Chemical class 0.000 description 2
- 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 2
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- OTIQKQSVRZRATN-UHFFFAOYSA-N 1,3-benzothiazol-2-ylmethanethiol Chemical compound C1=CC=C2SC(CS)=NC2=C1 OTIQKQSVRZRATN-UHFFFAOYSA-N 0.000 description 1
- OXFSTTJBVAAALW-UHFFFAOYSA-N 1,3-dihydroimidazole-2-thione Chemical compound SC1=NC=CN1 OXFSTTJBVAAALW-UHFFFAOYSA-N 0.000 description 1
- ZRKMQKLGEQPLNS-UHFFFAOYSA-N 1-Pentanethiol Chemical compound CCCCCS ZRKMQKLGEQPLNS-UHFFFAOYSA-N 0.000 description 1
- XGIDEUICZZXBFQ-UHFFFAOYSA-N 1h-benzimidazol-2-ylmethanethiol Chemical compound C1=CC=C2NC(CS)=NC2=C1 XGIDEUICZZXBFQ-UHFFFAOYSA-N 0.000 description 1
- UCJMHYXRQZYNNL-UHFFFAOYSA-N 2-Ethyl-1-hexanethiol Chemical compound CCCCC(CC)CS UCJMHYXRQZYNNL-UHFFFAOYSA-N 0.000 description 1
- SCVJRXQHFJXZFZ-KVQBGUIXSA-N 2-amino-9-[(2r,4s,5r)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3h-purine-6-thione Chemical compound C1=2NC(N)=NC(=S)C=2N=CN1[C@H]1C[C@H](O)[C@@H](CO)O1 SCVJRXQHFJXZFZ-KVQBGUIXSA-N 0.000 description 1
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- IKYAJDOSWUATPI-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propane-1-thiol Chemical compound CO[Si](C)(OC)CCCS IKYAJDOSWUATPI-UHFFFAOYSA-N 0.000 description 1
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 1
- OFLUYMXTEHNVBB-UHFFFAOYSA-N 3-trimethoxysilylsulfanylpropane-1-thiol Chemical class CO[Si](OC)(OC)SCCCS OFLUYMXTEHNVBB-UHFFFAOYSA-N 0.000 description 1
- HLBZWYXLQJQBKU-UHFFFAOYSA-N 4-(morpholin-4-yldisulfanyl)morpholine Chemical compound C1COCCN1SSN1CCOCC1 HLBZWYXLQJQBKU-UHFFFAOYSA-N 0.000 description 1
- UDQCDDZBBZNIFA-UHFFFAOYSA-N 4-methyl-1,3-dihydrobenzimidazole-2-thione Chemical compound CC1=CC=CC2=C1NC(=S)N2 UDQCDDZBBZNIFA-UHFFFAOYSA-N 0.000 description 1
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- RSZYPZRLZZKJKN-UHFFFAOYSA-N C(C)O[SiH2]CCCSC1CC(CCC1)CCSCCC[Si](OCC)(OCC)OCC Chemical compound C(C)O[SiH2]CCCSC1CC(CCC1)CCSCCC[Si](OCC)(OCC)OCC RSZYPZRLZZKJKN-UHFFFAOYSA-N 0.000 description 1
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- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- SUVIGLJNEAMWEG-UHFFFAOYSA-N propane-1-thiol Chemical compound CCCS SUVIGLJNEAMWEG-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- JPPLPDOXWBVPCW-UHFFFAOYSA-N s-(3-triethoxysilylpropyl) octanethioate Chemical compound CCCCCCCC(=O)SCCC[Si](OCC)(OCC)OCC JPPLPDOXWBVPCW-UHFFFAOYSA-N 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- QAZLUNIWYYOJPC-UHFFFAOYSA-M sulfenamide Chemical compound [Cl-].COC1=C(C)C=[N+]2C3=NC4=CC=C(OC)C=C4N3SCC2=C1C QAZLUNIWYYOJPC-UHFFFAOYSA-M 0.000 description 1
- FWMUJAIKEJWSSY-UHFFFAOYSA-N sulfur dichloride Chemical compound ClSCl FWMUJAIKEJWSSY-UHFFFAOYSA-N 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- WMXCDAVJEZZYLT-UHFFFAOYSA-N tert-butylthiol Chemical compound CC(C)(C)S WMXCDAVJEZZYLT-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 125000005369 trialkoxysilyl group Chemical group 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
- 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 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
- 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
- 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
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
[合成例1]
(3−メルカプトプロピル)トリエトキシシラン(東京化成工業(株)製)150g、リモネン(東京化成工業(株)製)42.9g、2,2’−アゾビス(イソブチロニトリル)(和光純薬工業(株)製)4.49gおよびトルエン300mlを、ナスフラスコ内で混合し、窒素ガスで30分間バブリングした後、70℃で6時間反応させた。その後、反応溶液を濃縮し、187gの無色の液体を得た(収率:97%)。反応式は、以下の通りであり、下記化学式で表される(3-((2-(4-メチル-3-((3-(トリエトキシシリル)プロピル)チオ)シクロヘキシル)プロパン-2-イル)チオ)プロピル)トリエトキシシラン:(3-((2-(4-methyl-3-((3-(triethoxysilyl)propyl)thio)cyclohexyl)propan-2-yl)thio)propyl)triethoxysilane(有機シラン1)が得られた。
13C NMR (400MHz CDCl3, δ in ppm): 18.4(-Si-(O-CH2-CH3)3), 58.4(-Si-(O-CH2-CH3)3), 15.6(-CH2-Si-(O-CH2-CH3)3), 17.4(-S-CH2-CH2-CH2-Si-), 31.7(-S-CH2-CH2-CH2-Si-), 25.9(-C(CH3)2-S-), 44.8(-C(CH3)2-S-), 43.8(cyclohexane CH), 24.6(cyclohexane CH2), 30.2(cyclohexane CH2), 32.5(cyclohexane CH2), 37.6(cyclohexane CH), 57.0(cyclohexane CH), 17.4(4-methylcyclohexane CH3).
(3−メルカプトプロピル)トリエトキシシラン(東京化成工業(株)製)150g、4−ビニル−1−シクロヘキセン(東京化成工業(株)製)34.0g、2,2’−アゾビス(イソブチロニトリル)(和光純薬工業(株)製)4.50gおよびトルエン300mlを、ナスフラスコ内で混合し、窒素ガスで30分間バブリングした後、70℃で6時間反応させた。その後、反応溶液を濃縮し、177gの無色の液体を得た(収率:96%)。反応式は、以下の通りであり、下記化学式で表される(3-((2-(3-((3-(エトキシシリル)プロピル)チオ)シクロヘキシル)エチル)チオ)プロピル)トリエトキシシラン:(3-((2-(3-((3-(triethoxysilyl)propyl)thio)cyclohexyl)ethyl)thio)propyl)triethoxysilane(有機シラン2-1)と(3-((2-(4-((3-(エトキシシリル)プロピル)チオ)シクロヘキシル)エチル)チオ)プロピル)トリエトキシシラン:(3-((2-(4-((3-(triethoxysilyl)propyl)thio)cyclohexyl)ethyl)thio)propyl)triethoxysilane(有機シラン2-2)との混合物からなる有機シラン2が得られた。
1H NMR (400MHz CDCl3, δ in ppm): 1.21(t, 18H, -Si-(O-CH2-CH 3 )3), 3.83(q, 12H, -Si-(O-CH 2 -CH3)3), 0.58(t, 4H, -CH 2 -Si-(O-CH2-CH3)3), 1.7(m, 4H, -S-CH2-CH 2 -CH2-Si-), 2.44(m, 4H, -S-CH 2 -CH2-CH2-Si-), 2.60(m, 2H, -CH2-CH 2 -S-), 1.62(m, 2H, -CH 2 -CH2-S-), 1.43(m, 1H, cyclohexane CH), 1.27-1.52(m, 2H, cyclohexane CH 2 ), 1.43-1.53(m, 2H, cyclohexane CH 2 ), 1.61-1.86(m, 2H, cyclohexane CH 2 ), 1.65-1.90(m, 2H, cyclohexane CH 2 ), 2.48(m 1H, cyclohexane CH)
13C NMR (400MHz CDCl3, δ in ppm): 18.4(-Si-(O-CH2-CH3)3), 58.4(-Si-(O-CH2-CH3)3), 15.6(-CH2-Si-(O-CH2-CH3)3), 16.8(-S-CH2-CH2-CH2-Si-), 36.4(-S-CH2-CH2-CH2-Si-), 31.0(-CH2-CH2-S-), 31.6(-CH2-CH2-S-), 31.8(cyclohexane CH), 18.1(cyclohexane CH2), 32.5(cyclohexane CH2), 34.9(cyclohexane CH2) 40.4(cyclohexane CH2), 40.0(cyclohexane CH).
1H NMR (400MHz CDCl3, δ in ppm): 1.21(t, 18H, -Si-(O-CH2-CH 3 )3), 3.83(q, 12H, -Si-(O-CH 2 -CH3)3), 0.58(t, 4H, -CH 2 -Si-(O-CH2-CH3)3), 1.7(m, 4H, -S-CH2-CH 2 -CH2-Si-), 2.44(m, 4H, -S-CH 2 -CH2-CH2-Si-), 2.60(m, 2H, -CH2-CH 2 -S-), 1.62(m, 2H, -CH 2 -CH2-S-), 1.43(m, 1H, cyclohexane CH), 1.27-1.52(m, 4H, cyclohexane CH 2 ), 1.65-1.90(m, 4H, cyclohexane CH 2 ), 2.48(m 1H, cyclohexane CH).
13C NMR (400MHz CDCl3, δ in ppm): 18.4(-Si-(O-CH2-CH3)3), 58.4(-Si-(O-CH2-CH3)3), 15.6(-CH2-Si-(O-CH2-CH3)3), 16.8(-S-CH2-CH2-CH2-Si-), 36.4(-S-CH2-CH2-CH2-Si-), 31.0(-CH2-CH2-S-), 32.0(-CH2-CH2-S-), 34.7(cyclohexane CH), 29.6(cyclohexane CH2), 32.4(cyclohexane CH2), 42.5(cyclohexane CH).
(3−メルカプトプロピル)トリエトキシシラン(東京化成工業(株)製)150g、リモネン(東京化成工業(株)製)85.7g、2,2’−アゾビス(イソブチロニトリル)(和光純薬工業(株)製)8.99gおよびトルエン300mlを、ナスフラスコ内で混合し、窒素ガスで30分間バブリングした後、70℃で6時間反応させた。その後、反応溶液を濃縮し、227gの無色の液体を得た(収率:97%)。得られた化合物150gに対し、1−ヘキサンチオール(和光純薬工業(株)製)47.2g、2,2’−アゾビス(イソブチロニトリル)(和光純薬工業(株)製)5.72gおよびトルエン300mlをナスフラスコ内で混合し、窒素ガスで30分間バブリングした後、70℃で6時間反応させた。その後、反応溶液を濃縮し、186.4gの無色の液体が得られた(収率:95%)。反応式は、以下の通りであり、下記化学式で表される(3-((2-(3-ヘキシルチオ)-4-メチルシクロヘキシル)プロパン-2-イル)チオ)プロピル)トリエトキシシラン:(3-((2-(3-(hexylthio)-4-methylcyclohexyl)propan-2-yl)thio)propyl)triethoxysilane(有機シラン3)が得られた。
13C NMR (400MHz CDCl3, δ in ppm): 18.4(-Si-(O-CH2-CH3)3), 58.4(-Si-(O-CH2-CH3)3), 15.6(-CH2-Si-(O-CH2-CH3)3), 17.4(-S-CH2-CH2-CH2-Si-), 31.7(-S-CH2-CH2-CH2-Si-), 25.9(-C(CH3)2-S-), 44.8(-C(CH3)2-S-), 43.8(cyclohexane CH), 24.6(cyclohexane CH2), 30.2(cyclohexane CH2), 32.5(cyclohexane CH2), 37.6(cyclohexane CH), 57.0(cyclohexane CH), 17.4(4-methylcyclohexane CH3), 36.7(CH3-CH2-CH2-CH2-CH2-CH2-S-), 30.9(CH3-CH2-CH2-CH2-CH2-CH2-S-), 28.2(CH3-CH2-CH2-CH2-CH2-CH2-S-), 31.1(CH3-CH2-CH2-CH2-CH2-CH2-S-), 22.7(CH3-CH2-CH2-CH2-CH2-CH2-S-), 14.1(CH3-CH2-CH2-CH2-CH2-CH2-S-).
(3−メルカプトプロピル)トリエトキシシラン(東京化成工業(株)製)150g、リモネン(東京化成工業(株)製)85.7g、2,2’−アゾビス(イソブチロニトリル)(和光純薬工業(株)製)8.99gおよびエタノール300mlを、ナスフラスコ内で混合し、窒素ガスで30分間バブリングした後、70℃で6時間反応させた。その後、反応溶液を濃縮し、227gの無色の液体を得た(収率:97%)。得られた化合物150gに対し、メルカプトベンズイミダゾール(和光純薬工業(株)製)60.1g、2,2’−アゾビス(イソブチロニトリル)(和光純薬工業(株)製)5.72gおよびエタノール300mlをナスフラスコ内で混合し、窒素ガスで30分間バブリングした後、70℃で6時間反応させた。その後、反応溶液を濃縮し、197gの白色の固体が得られた(収率:94%)。反応式は、以下の通りであり、下記化学式で表される2-((2-メチル-5-(2-((3-(トリエトキシシリル)プロピル)チオ)プロパン-2-イル)シクロヘキシル)チオ)-1H-ベンズイミダゾール:2-((2-methyl-5-(2-((3-(triethoxysilyl)propyl)thio)propan-2-yl)cyclohexyl)thio)-1H-benzimidazole(有機シラン4)が得られた。
13C NMR (400MHz CDCl3, δ in ppm) : 18.4(-Si-(O-CH2-CH3)3), 58.4(-Si-(O-CH2-CH3)3), 15.6(-CH2-Si-(O-CH2-CH3)3), 17.4(-S-CH2-CH2-CH2-Si-), 31.7(-S-CH2-CH2-CH2-Si-), 25.9(-C(CH3)2-S-), 44.8(-C(CH3)2-S-), 43.8(cyclohexane CH), 24.6(cyclohexane CH2), 30.2(cyclohexane CH2), 32.1(cyclohexane CH2), 37.2(cyclohexane CH), 42.9(cyclohexane CH), 17.4(4-methylcyclohexane CH3), 147.1(benzimidazole C-S-), 138.9(benzimidazole C-N), 115.2(benzimidazole CH), 123.0(benzimidazole CH).
(3−メルカプトプロピル)トリエトキシシラン(東京化成工業(株)製)150g、リモネン(東京化成工業(株)製)85.7g、2,2’−アゾビス(イソブチロニトリル)(和光純薬工業(株)製)8.99gおよびエタノール300mlを、ナスフラスコ内で混合し、窒素ガスで30分間バブリングした後、70℃で6時間反応させた。その後、反応溶液を濃縮し、227gの無色の液体を得た(収率:97%)。得られた化合物150gに対し、1−メチルイミダゾール−2−チオール(和光純薬工業(株)製)45.7g、2,2’−アゾビス(イソブチロニトリル)(和光純薬工業(株)製)1.91gおよびエタノール300mlをナスフラスコ内で混合し、窒素ガスで30分間バブリングした後、70℃で6時間反応させた。その後、反応溶液を濃縮し、185gの白色の固体が得られた(収率:95%)。反応式は、以下の通りであり、下記化学式で表される1-メチル-2-((2-メチル-5-(2-((3-(トリエトキシシリル)プロピル)チオ)プロパン-2-イル)シクロヘキシル)チオ)-1H-イミダゾール:1-methyl-2-((2-methyl-5-(2-((3-(triethoxysilyl)propyl)thio)propan-2-yl)cyclohexyl)thio)-1H-imidazole(有機シラン5)が得られた。
13C NMR (400MHz CDCl3, δ in ppm): 18.4(-Si-(O-CH2-CH3)3), 58.4(-Si-(O-CH2-CH3)3), 15.6(-CH2-Si-(O-CH2-CH3)3), 17.4(-S-CH2-CH2-CH2-Si-), 31.7(-S-CH2-CH2-CH2-Si-), 25.9(-C(CH3)2-S-), 44.8(-C(CH3)2-S-), 43.8(cyclohexane CH), 24.6(cyclohexane CH2), 30.2(cyclohexane CH2), 32.1(cyclohexane CH2), 37.2(cyclohexane CH), 43.2(cyclohexane CH), 17.4(4-methylcyclohexane CH3), 142.9(imidazole C-S-), 128.1(imidazole CH), 122.5(imidazole CH), 33.5(imidazole CH3).
バンバリーミキサーを使用し、下記表1に示す配合(質量部)に従って、まず、第一混合段階で、ジエン系ゴム成分に対し硫黄及び加硫促進剤を除く他の配合剤を添加し混練し(排出温度=160℃)、次いで、得られた混練物に、最終混合段階で、硫黄と加硫促進剤を添加し混練して(排出温度=90℃)、ゴム組成物を調製した。表1中の各成分の詳細は、以下の通りである。
・変性SSBR:アミノ基及びアルコキシ基末端変性溶液重合スチレンブタジエンゴム、JSR株式会社製「HPR350」
・BR:宇部興産株式会社製「BR150B」
・シランカップリング剤A:ビス(3−トリエトキシシリルプロピル)テトラスルフィド、エボニック・デグサ社製「Si69」
・有機シラン1:合成例1で合成したもの
・有機シラン2:合成例2で合成したもの
・有機シラン3:合成例3で合成したもの
・有機シラン4:合成例4で合成したもの
・有機シラン5:合成例5で合成したもの
・シリカ:東ソー・シリカ株式会社製「ニップシールAQ」
・カーボンブラック:三菱化学株式会社製「ダイアブラックN341」
・オイル:昭和シェル石油株式会社製「エキストラクト4号S」
・亜鉛華:三井金属鉱業株式会社製「亜鉛華1号」
・老化防止剤:住友化学株式会社製「アンチゲン6C」
・ステアリン酸:花王株式会社製「ルナックS−20」
・ワックス:日本精鑞株式会社製「OZOACE0355」
・硫黄:鶴見化学工業株式会社製「5%油入微粉末硫黄」
・加硫促進剤:住友化学株式会社製「ソクシノールCZ」
Claims (4)
- ジエン系ゴム100質量部、シリカ20〜150質量部、及び、下記一般式(1)及び/又は(2)で表される有機シランをシリカ質量に対して2〜20質量%配合してなるゴム組成物。
- 前記一般式(1)及び(2)において、X1が炭素数1〜3のアルキル基であり、−S−A2がシクロヘキシル基の3位の炭素原子に結合したことを特徴とする請求項1記載のゴム組成物。
- 前記一般式(1)及び(2)において、X1が水素原子であり、−S−A2がシクロヘキシル基の3位又は4位の炭素原子に結合しており、3位に結合したものと4位に結合したものの混合物であることを特徴とする請求項1記載のゴム組成物。
- 請求項1〜3のいずれか1項に記載のゴム組成物を用いてなる空気入りタイヤ。
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