JP7453595B1 - タイヤ用ゴム組成物 - Google Patents
タイヤ用ゴム組成物 Download PDFInfo
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- JP7453595B1 JP7453595B1 JP2023144209A JP2023144209A JP7453595B1 JP 7453595 B1 JP7453595 B1 JP 7453595B1 JP 2023144209 A JP2023144209 A JP 2023144209A JP 2023144209 A JP2023144209 A JP 2023144209A JP 7453595 B1 JP7453595 B1 JP 7453595B1
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- silica
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- rubber
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 51
- 239000005060 rubber Substances 0.000 title claims abstract description 50
- 239000000203 mixture Substances 0.000 title claims abstract description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 45
- 239000006229 carbon black Substances 0.000 claims abstract description 29
- 150000001875 compounds Chemical class 0.000 claims abstract description 23
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 21
- 229920003244 diene elastomer Polymers 0.000 claims abstract description 19
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 17
- 229920003049 isoprene rubber Polymers 0.000 claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims abstract description 13
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 12
- 125000003118 aryl group Chemical group 0.000 claims abstract description 12
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 12
- 125000003710 aryl alkyl group Chemical group 0.000 claims abstract description 11
- 125000002947 alkylene group Chemical group 0.000 claims description 6
- 125000001118 alkylidene group Chemical group 0.000 claims description 6
- 125000001424 substituent group Chemical group 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 abstract description 22
- 230000020169 heat generation Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 abstract 1
- -1 pyrazolone compound Chemical class 0.000 description 33
- 235000019241 carbon black Nutrition 0.000 description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical class O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 description 10
- 125000004432 carbon atom Chemical group C* 0.000 description 8
- 239000006087 Silane Coupling Agent Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004073 vulcanization Methods 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000006237 Intermediate SAF Substances 0.000 description 4
- 239000005062 Polybutadiene Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical class CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 125000002541 furyl group Chemical group 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- ZRHUHDUEXWHZMA-UHFFFAOYSA-N 1,4-dihydropyrazol-5-one Chemical compound O=C1CC=NN1 ZRHUHDUEXWHZMA-UHFFFAOYSA-N 0.000 description 2
- NHLAPJMCARJFOG-UHFFFAOYSA-N 3-methyl-1,4-dihydropyrazol-5-one Chemical compound CC1=NNC(=O)C1 NHLAPJMCARJFOG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000006232 furnace black Substances 0.000 description 2
- 229940083761 high-ceiling diuretics pyrazolone derivative Drugs 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- 229910052757 nitrogen Inorganic materials 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
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 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
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- 125000003163 2-(2-naphthyl)ethyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(C([H])=C([H])C2=C1[H])C([H])([H])C([H])([H])* 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
- DVNPFNZTPMWRAX-UHFFFAOYSA-N 2-triethoxysilylethanethiol Chemical compound CCO[Si](CCS)(OCC)OCC DVNPFNZTPMWRAX-UHFFFAOYSA-N 0.000 description 1
- IABJHLPWGMWHLX-UHFFFAOYSA-N 3-(1,3-benzothiazol-2-yl)propyl-trimethoxysilane Chemical compound C1=CC=C2SC(CCC[Si](OC)(OC)OC)=NC2=C1 IABJHLPWGMWHLX-UHFFFAOYSA-N 0.000 description 1
- QPISLCVEROXXQD-UHFFFAOYSA-N 3-(1,3-benzothiazol-2-yltetrasulfanyl)propyl-triethoxysilane Chemical compound C1=CC=C2SC(SSSSCCC[Si](OCC)(OCC)OCC)=NC2=C1 QPISLCVEROXXQD-UHFFFAOYSA-N 0.000 description 1
- LOOUJXUUGIUEBC-UHFFFAOYSA-N 3-(dimethoxymethylsilyl)propane-1-thiol Chemical compound COC(OC)[SiH2]CCCS LOOUJXUUGIUEBC-UHFFFAOYSA-N 0.000 description 1
- FEWKWZNYYJRAOD-UHFFFAOYSA-N 3-(furan-2-yl)-1,4-dihydropyrazol-5-one Chemical compound N1C(=O)CC(C=2OC=CC=2)=N1 FEWKWZNYYJRAOD-UHFFFAOYSA-N 0.000 description 1
- DQMRXALBJIVORP-UHFFFAOYSA-N 3-[methoxy(dimethyl)silyl]propane-1-thiol Chemical compound CO[Si](C)(C)CCCS DQMRXALBJIVORP-UHFFFAOYSA-N 0.000 description 1
- HPTJCEPNQHYWIH-PDGQHHTCSA-N 3-hydroxy-n-[(z)-4-methylpentan-2-ylideneamino]naphthalene-2-carboxamide Chemical compound C1=CC=C2C=C(O)C(C(=O)N\N=C(C)/CC(C)C)=CC2=C1 HPTJCEPNQHYWIH-PDGQHHTCSA-N 0.000 description 1
- 125000005917 3-methylpentyl group Chemical group 0.000 description 1
- AYGSETQECLMTDQ-UHFFFAOYSA-N 3-naphthalen-2-yl-1,4-dihydropyrazol-5-one Chemical compound N1C(=O)CC(C=2C=C3C=CC=CC3=CC=2)=N1 AYGSETQECLMTDQ-UHFFFAOYSA-N 0.000 description 1
- OXRSFHYBIRFJSF-UHFFFAOYSA-N 3-phenyl-1,4-dihydropyrazol-5-one Chemical compound N1C(=O)CC(C=2C=CC=CC=2)=N1 OXRSFHYBIRFJSF-UHFFFAOYSA-N 0.000 description 1
- GVUNLYBSNQOHBD-UHFFFAOYSA-N 3-propyl-1,4-dihydropyrazol-5-one Chemical compound CCCC1=NNC(=O)C1 GVUNLYBSNQOHBD-UHFFFAOYSA-N 0.000 description 1
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 description 1
- ZSFMFCWJHYPFPG-UHFFFAOYSA-N 3-triethoxysilylpropyl 2-methylthiirane-2-carboxylate Chemical compound CCO[Si](OCC)(OCC)CCCOC(=O)C1(C)CS1 ZSFMFCWJHYPFPG-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-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
- AKQWHIMDQYDQSR-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylthiirane-2-carboxylate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C1(C)CS1 AKQWHIMDQYDQSR-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- ZSBKFEOSHGFEKJ-UHFFFAOYSA-N C1=CC=C2SC(SSSSCCC[SiH2]C(OC)OC)=NC2=C1 Chemical compound C1=CC=C2SC(SSSSCCC[SiH2]C(OC)OC)=NC2=C1 ZSBKFEOSHGFEKJ-UHFFFAOYSA-N 0.000 description 1
- FSPIGXNLDXWYKZ-UHFFFAOYSA-N CCO[Si](CCC[S+]=C(N(C)C)SSSSC(N(C)C)=[S+]CCC[Si](OCC)(OCC)OCC)(OCC)OCC Chemical compound CCO[Si](CCC[S+]=C(N(C)C)SSSSC(N(C)C)=[S+]CCC[Si](OCC)(OCC)OCC)(OCC)OCC FSPIGXNLDXWYKZ-UHFFFAOYSA-N 0.000 description 1
- SXLPVOKGQWNWFD-UHFFFAOYSA-N CCO[Si](CC[S+]=C(N(C)C)SSSSC(N(C)C)=[S+]CC[Si](OCC)(OCC)OCC)(OCC)OCC Chemical compound CCO[Si](CC[S+]=C(N(C)C)SSSSC(N(C)C)=[S+]CC[Si](OCC)(OCC)OCC)(OCC)OCC SXLPVOKGQWNWFD-UHFFFAOYSA-N 0.000 description 1
- ZZOXWBGGPBLVNQ-UHFFFAOYSA-N CN(C)C(SSSSC(N(C)C)=[S+]CCC[SiH2]C(OC)OC)=[S+]CCC[SiH2]C(OC)OC Chemical compound CN(C)C(SSSSC(N(C)C)=[S+]CCC[SiH2]C(OC)OC)=[S+]CCC[SiH2]C(OC)OC ZZOXWBGGPBLVNQ-UHFFFAOYSA-N 0.000 description 1
- 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
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000004103 aminoalkyl group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 125000005110 aryl thio group Chemical group 0.000 description 1
- 125000004104 aryloxy group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000004181 carboxyalkyl group Chemical group 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000006231 channel black Substances 0.000 description 1
- 125000005390 cinnolyl group Chemical group N1=NC(=CC2=CC=CC=C12)* 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 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 1
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 239000000412 dendrimer Substances 0.000 description 1
- 229920000736 dendritic polymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- GSYVJAOBRKCNOT-UHFFFAOYSA-N diethoxymethyl-[3-[3-(diethoxymethylsilyl)propyltetrasulfanyl]propyl]silane Chemical compound CCOC(OCC)[SiH2]CCCSSSSCCC[SiH2]C(OCC)OCC GSYVJAOBRKCNOT-UHFFFAOYSA-N 0.000 description 1
- 125000004639 dihydroindenyl group Chemical group C1(CCC2=CC=CC=C12)* 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 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
- WOXXJEVNDJOOLV-UHFFFAOYSA-N ethenyl-tris(2-methoxyethoxy)silane Chemical compound COCCO[Si](OCCOC)(OCCOC)C=C WOXXJEVNDJOOLV-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229920005555 halobutyl Polymers 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 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 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 125000001977 isobenzofuranyl group Chemical group C=1(OC=C2C=CC=CC12)* 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([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
- 125000005956 isoquinolyl group Chemical group 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 125000002960 margaryl 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])C([H])([H])C([H])([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 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 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
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002560 nitrile group Chemical group 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
- 239000012766 organic filler Substances 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 125000000913 palmityl 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])C([H])([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 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 125000005936 piperidyl group Chemical group 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 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
- AQSMLSJHYWHNRT-UHFFFAOYSA-N s-(3-trimethoxysilylpropyl) propanethioate Chemical compound CCC(=O)SCCC[Si](OC)(OC)OC AQSMLSJHYWHNRT-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 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
- 159000000000 sodium salts Chemical class 0.000 description 1
- 125000004079 stearyl 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])C([H])([H])C([H])([H])C([H])([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 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- TXDNPSYEJHXKMK-UHFFFAOYSA-N sulfanylsilane Chemical class S[SiH3] TXDNPSYEJHXKMK-UHFFFAOYSA-N 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000003419 tautomerization reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000005958 tetrahydrothienyl group Chemical group 0.000 description 1
- 125000004632 tetrahydrothiopyranyl group Chemical group S1C(CCCC1)* 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
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229910000349 titanium oxysulfate Inorganic materials 0.000 description 1
- 125000001425 triazolyl 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
- ZRKGYQLXOAHRRN-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane Chemical group CCO[Si](OCC)(OCC)CCCSCCC[Si](OCC)(OCC)OCC ZRKGYQLXOAHRRN-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
- ZMANZCXQSJIPKH-UHFFFAOYSA-O triethylammonium ion Chemical compound CC[NH+](CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-O 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
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-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
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Abstract
Description
以下、実施例によって本発明をさらに説明するが、本発明の範囲はこれらの実施例に限定されるものではない。
上記で得られた厚さ2mmの評価用試料を使用し、JIS 3号ダンベル形状に打ち抜き、JIS K6251「加硫ゴムおよび熱可塑性ゴム-引張特性の求め方」に規定されている測定方法に準拠し、引張速度500mm/分で、23℃における引張試験を行い、引張破断伸び(%)を測定した。得られた結果は、基準例1の値を100にする指数として表1,2の「引張破断伸び」の欄に記載した。この指数が大きいほど引張破断伸びが大きいことを意味する。
上記で得られた厚さ2mmの評価用試料を使用し、JIS K6252に記載されたトラウザ形試験片を打ち抜き、JIS K6252「加硫ゴムおよび熱可塑性ゴム-引裂強さの求め方」に規定されている測定方法に準拠し、引張速度100mm/分で、23℃における引裂試験を行い、引裂強さ(kN/m)を測定した。得られた結果は、基準例1の値を100にする指数として表1,2の「引裂強さ」の欄に記載した。この指数が大きいほど引裂強さが大きいことを意味する。
上記で得られた引張破断伸びの指数および引裂強さの指数の平均値を、トレッド耐久性の指数として表1,2の「トレッド耐久性」の欄に記載した。この指数が大きいほどトレッド耐久性に優れることを意味し、指数が120以上であれば実用的に優れているものとする。
得られた評価用試料を使用し、JIS K6394:2007に準拠して、粘弾性スペクトロメーター(東洋精機製作所社製)を用いて、伸張変形歪率10%±2%、振動数20Hz、温度0℃の条件で、60℃のtanδを測定した。得られた結果は、それぞれの値の逆数を算出し基準例1の値を100とする指数として表1,2の「耐発熱性」の欄に示した。この指数が大きいほど発熱が小さく、耐発熱性が優れることを意味する。なお、指数が95以上であれば許容範囲とする。
得られた評価用試料を使用し、JIS K6264-1、2:2005に準拠し、ランボーン摩耗試験機(岩本製作所製)を用いて、温度20℃、スリップ率50%の条件で摩耗減量を測定した。得られた結果は、それぞれの値の逆数を算出し、基準例1の値を100とする指数として、表1,2の「耐摩耗性」の欄に示した。この指数が大きいほど、摩耗減量が小さく、耐摩耗性が優れることを意味する。なお、指数が95以上であれば許容範囲とする。
・NR:天然ゴム、SIR
・BR:ブタジエンゴム、ZSエラストマー社製 Nipol BR1220
・カーボンブラック-1:SAF級カーボンブラック、日鉄カーボン社製ニテロン#430、N2SAが125m2/g
・カーボンブラック-2:ISAF級カーボンブラック、日鉄カーボン社製シースト 7HM、N2SAが110m2/g
・カーボンブラック-3:HAF級カーボンブラック、東海カーボン社製シースト NHT、N2SAが70m2/g
・シリカ-1:Evonik社製ULTRASIL VN3GR、CTAB吸着比表面積が150m2/g
・シリカ-2:Evonik社製ULTRASIL 9100GR、CTAB吸着比表面積が200m2/g
・化合物-1:3-メチル-5-ピラゾロン、一般式(1)で表される化合物(R1、R3およびR4が水素原子、R2がメチル基)、大塚化学社製 EN‐01
・化合物-2:ヒドラジド化合物、N′‐(1,3‐ジメチルブチリデン)‐3‐ヒドロキシ‐2‐ナフトヒドラジド、一般式(1)で表されない化合物、大塚化学社製 DC‐01
・カップリング剤:シランカップリング剤、Evonik Degussa社製 Si69、ビス(トリエトキシシリルプロピル)テトラスルフィド
・酸化亜鉛:正同化学社製酸化亜鉛3種
・ステアリン酸:日油社製ビーズステアリン酸YR
・硫黄:四国化成工業社製ミュークロンOT-20
・加硫促進剤:大内振興化学工業社製ノクセラーCZ-G
比較例2のタイヤ用ゴム組成物は、カーボンブラックおよびシリカの配合量の合計が40質量部未満なので、引裂強さが小さく、トレッド耐久性および耐摩耗性が劣る。
比較例3のタイヤ用ゴム組成物は、カーボンブラックおよびシリカの配合量の合計が80質量部を超えるので、引張破断伸びが小さく、トレッド耐久性および耐発熱性が劣る。
比較例4のタイヤ用ゴム組成物は、ピラゾロン誘導体を配合せずに、ヒドラジド化合物を配合したので、引張破断伸びおよび引裂強さが小さく、トレッド耐久性および耐摩耗性が劣る。
比較例5のタイヤ用ゴム組成物は、イソプレン系ゴムが60質量%未満なので、引裂強さが小さく、トレッド耐久性が劣る。
比較例6タイヤ用ゴム組成物は、ピラゾロン誘導体が5.0質量部を超えるので、引裂強さがさらに小さく、トレッド耐久性が劣り、さらに耐摩耗性も劣る。
Claims (3)
- イソプレン系ゴムを60質量%以上含むジエン系ゴム100質量部に、下記一般式(1)で表される化合物を0.1~5.0質量部、カーボンブラックおよびシリカを合計で40~80質量部配合してなるゴム組成物であって、前記シリカのCTAB吸着比表面積が190m2/g以上であるシリカを含み、前記シリカが、前記カーボンブラックおよびシリカの合計に対し30質量%以下であることを特徴とするタイヤ用ゴム組成物。
- 請求項1に記載のタイヤ用ゴム組成物からなるキャップトレッドを有するタイヤ。
- 請求項1に記載のタイヤ用ゴム組成物からなるキャップトレッドを有する重荷重用タイヤ。
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JP2004123926A (ja) | 2002-10-03 | 2004-04-22 | Bridgestone Corp | タイヤ |
JP2017082121A (ja) | 2015-10-29 | 2017-05-18 | 横浜ゴム株式会社 | 重荷重用タイヤ用ゴム組成物 |
JP2020139052A (ja) | 2019-02-28 | 2020-09-03 | 大塚化学株式会社 | 伝動ベルト用ゴム組成物及び伝動ベルト |
JP2021024995A (ja) | 2019-08-08 | 2021-02-22 | 大塚化学株式会社 | ゴム材料及びその製造方法 |
US20210178828A1 (en) | 2017-11-07 | 2021-06-17 | Compagnie Generale Des Etablissements Michelin | Tire Having a Tread Combining Inclined Sipes with a Specific Material |
JP2022165622A (ja) | 2021-04-20 | 2022-11-01 | 横浜ゴム株式会社 | タイヤ用ゴム組成物 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004123926A (ja) | 2002-10-03 | 2004-04-22 | Bridgestone Corp | タイヤ |
JP2017082121A (ja) | 2015-10-29 | 2017-05-18 | 横浜ゴム株式会社 | 重荷重用タイヤ用ゴム組成物 |
US20210178828A1 (en) | 2017-11-07 | 2021-06-17 | Compagnie Generale Des Etablissements Michelin | Tire Having a Tread Combining Inclined Sipes with a Specific Material |
JP2020139052A (ja) | 2019-02-28 | 2020-09-03 | 大塚化学株式会社 | 伝動ベルト用ゴム組成物及び伝動ベルト |
JP2021024995A (ja) | 2019-08-08 | 2021-02-22 | 大塚化学株式会社 | ゴム材料及びその製造方法 |
JP2022165622A (ja) | 2021-04-20 | 2022-11-01 | 横浜ゴム株式会社 | タイヤ用ゴム組成物 |
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