JP2021070750A - ゴム組成物及びタイヤ - Google Patents
ゴム組成物及びタイヤ Download PDFInfo
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- JP2021070750A JP2021070750A JP2019198269A JP2019198269A JP2021070750A JP 2021070750 A JP2021070750 A JP 2021070750A JP 2019198269 A JP2019198269 A JP 2019198269A JP 2019198269 A JP2019198269 A JP 2019198269A JP 2021070750 A JP2021070750 A JP 2021070750A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 116
- 239000005060 rubber Substances 0.000 title claims abstract description 116
- 239000000203 mixture Substances 0.000 title claims abstract description 85
- 150000001875 compounds Chemical class 0.000 claims abstract description 118
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 38
- 229920003244 diene elastomer Polymers 0.000 claims abstract description 31
- 239000006229 carbon black Substances 0.000 claims abstract description 30
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 125000000217 alkyl group Chemical group 0.000 claims description 38
- 125000001424 substituent group Chemical group 0.000 claims description 34
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 33
- 125000003118 aryl group Chemical group 0.000 claims description 27
- 244000043261 Hevea brasiliensis Species 0.000 claims description 24
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 24
- 229920003052 natural elastomer Polymers 0.000 claims description 24
- 229920001194 natural rubber Polymers 0.000 claims description 24
- 125000000623 heterocyclic group Chemical group 0.000 claims description 22
- 150000001993 dienes Chemical class 0.000 claims description 17
- 125000003277 amino group Chemical group 0.000 claims description 16
- 125000004414 alkyl thio group Chemical group 0.000 claims description 10
- 125000002947 alkylene group Chemical group 0.000 claims description 7
- 125000001118 alkylidene group Chemical group 0.000 claims description 6
- 125000005110 aryl thio group Chemical group 0.000 claims description 6
- 241000872198 Serjania polyphylla Species 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract description 2
- 125000005842 heteroatom Chemical group 0.000 abstract 1
- -1 1 Chemical class 0.000 description 216
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 28
- 125000004432 carbon atom Chemical group C* 0.000 description 27
- 235000019241 carbon black Nutrition 0.000 description 27
- 229910052719 titanium Inorganic materials 0.000 description 22
- 239000010936 titanium Substances 0.000 description 22
- 239000007822 coupling agent Substances 0.000 description 20
- 239000000446 fuel Substances 0.000 description 19
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 19
- 239000000047 product Substances 0.000 description 17
- 239000006087 Silane Coupling Agent Substances 0.000 description 16
- 238000002156 mixing Methods 0.000 description 15
- 239000003795 chemical substances by application Substances 0.000 description 10
- 238000013329 compounding Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 230000020169 heat generation Effects 0.000 description 6
- 239000011256 inorganic filler Substances 0.000 description 6
- 229910003475 inorganic filler Inorganic materials 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 0 *C*C(*)(C(*)=NN1*)C1=O Chemical compound *C*C(*)(C(*)=NN1*)C1=O 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 125000004103 aminoalkyl group Chemical group 0.000 description 5
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 description 4
- JFBIRMIEJBPDTQ-UHFFFAOYSA-N 3,6-dipyridin-2-yl-1,2,4,5-tetrazine Chemical compound N1=CC=CC=C1C1=NN=C(C=2N=CC=CC=2)N=N1 JFBIRMIEJBPDTQ-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- 239000005062 Polybutadiene Substances 0.000 description 4
- 239000002174 Styrene-butadiene Substances 0.000 description 4
- 150000004703 alkoxides Chemical class 0.000 description 4
- 150000004645 aluminates Chemical class 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 229920002857 polybutadiene Polymers 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000012756 surface treatment agent Substances 0.000 description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 4
- 125000001399 1,2,3-triazolyl group Chemical group N1N=NC(=C1)* 0.000 description 3
- 125000001376 1,2,4-triazolyl group Chemical group N1N=C(N=C1)* 0.000 description 3
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 description 3
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 3
- OLXAHCQKLVGQOG-UHFFFAOYSA-N 3,6-dipyridin-3-yl-1,2,4,5-tetrazine Chemical compound C1=CN=CC(C=2N=NC(=NN=2)C=2C=NC=CC=2)=C1 OLXAHCQKLVGQOG-UHFFFAOYSA-N 0.000 description 3
- NHLAPJMCARJFOG-UHFFFAOYSA-N 3-methyl-1,4-dihydropyrazol-5-one Chemical compound CC1=NNC(=O)C1 NHLAPJMCARJFOG-UHFFFAOYSA-N 0.000 description 3
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 3
- 229920003049 isoprene rubber Polymers 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 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 3
- 238000004073 vulcanization Methods 0.000 description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 2
- RYSXWUYLAWPLES-MTOQALJVSA-N (Z)-4-hydroxypent-3-en-2-one titanium Chemical compound [Ti].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O RYSXWUYLAWPLES-MTOQALJVSA-N 0.000 description 2
- 125000004511 1,2,3-thiadiazolyl group Chemical group 0.000 description 2
- 125000004504 1,2,4-oxadiazolyl group Chemical group 0.000 description 2
- ZRHUHDUEXWHZMA-UHFFFAOYSA-N 1,4-dihydropyrazol-5-one Chemical compound O=C1CC=NN1 ZRHUHDUEXWHZMA-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- 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 2
- WBVSZPHBBYURDY-UHFFFAOYSA-N 3,6-bis(furan-2-yl)-1,2,4,5-tetrazine Chemical compound C1=COC(C=2N=NC(=NN=2)C=2OC=CC=2)=C1 WBVSZPHBBYURDY-UHFFFAOYSA-N 0.000 description 2
- LZMNXXQIQIHFGC-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propyl 2-methylprop-2-enoate Chemical compound CO[Si](C)(OC)CCCOC(=O)C(C)=C LZMNXXQIQIHFGC-UHFFFAOYSA-N 0.000 description 2
- ASUZTNLCAHONDF-UHFFFAOYSA-N 3-methyl-6-pyridin-2-yl-1,2,4,5-tetrazine Chemical compound N1=NC(C)=NN=C1C1=CC=CC=N1 ASUZTNLCAHONDF-UHFFFAOYSA-N 0.000 description 2
- NYTKXYJNAFBEGZ-UHFFFAOYSA-N 3-methyl-6-pyridin-3-yl-1,2,4,5-tetrazine Chemical compound N1=NC(C)=NN=C1C1=CC=CN=C1 NYTKXYJNAFBEGZ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 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 2
- GVUNLYBSNQOHBD-UHFFFAOYSA-N 3-propyl-1,4-dihydropyrazol-5-one Chemical compound CCCC1=NNC(=O)C1 GVUNLYBSNQOHBD-UHFFFAOYSA-N 0.000 description 2
- 125000000339 4-pyridyl group Chemical group N1=C([H])C([H])=C([*])C([H])=C1[H] 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-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
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 101150096839 Fcmr gene Proteins 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-M Glycolate Chemical compound OCC([O-])=O AEMRFAOFKBGASW-UHFFFAOYSA-M 0.000 description 2
- 239000006237 Intermediate SAF Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 125000004423 acyloxy group Chemical group 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 125000004104 aryloxy group Chemical group 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 125000004181 carboxyalkyl group Chemical group 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 125000002541 furyl group Chemical group 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 150000003840 hydrochlorides Chemical class 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002484 inorganic compounds Chemical group 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 229910052740 iodine Inorganic materials 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
- 238000002955 isolation Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-M methanesulfonate group Chemical class CS(=O)(=O)[O-] AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- 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 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- VRQWWCJWSIOWHG-UHFFFAOYSA-J octadecanoate;zirconium(4+) Chemical compound [Zr+4].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O VRQWWCJWSIOWHG-UHFFFAOYSA-J 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 159000000001 potassium salts Chemical class 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical group CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
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- 159000000000 sodium salts Chemical class 0.000 description 2
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- 229910052717 sulfur Inorganic materials 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 125000001544 thienyl group Chemical group 0.000 description 2
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- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 2
- ZMANZCXQSJIPKH-UHFFFAOYSA-O triethylammonium ion Chemical compound CC[NH+](CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-O 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- LTQBNYCMVZQRSD-UHFFFAOYSA-N (4-ethenylphenyl)-trimethoxysilane Chemical compound CO[Si](OC)(OC)C1=CC=C(C=C)C=C1 LTQBNYCMVZQRSD-UHFFFAOYSA-N 0.000 description 1
- TYKCBTYOMAUNLH-MTOQALJVSA-J (z)-4-oxopent-2-en-2-olate;titanium(4+) Chemical compound [Ti+4].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O TYKCBTYOMAUNLH-MTOQALJVSA-J 0.000 description 1
- 125000004502 1,2,3-oxadiazolyl group Chemical group 0.000 description 1
- HTJMXYRLEDBSLT-UHFFFAOYSA-N 1,2,4,5-tetrazine Chemical compound C1=NN=CN=N1 HTJMXYRLEDBSLT-UHFFFAOYSA-N 0.000 description 1
- 125000004517 1,2,5-thiadiazolyl group Chemical group 0.000 description 1
- PIINXYKJQGMIOZ-UHFFFAOYSA-N 1,2-dipyridin-2-ylethane-1,2-dione Chemical compound C=1C=CC=NC=1C(=O)C(=O)C1=CC=CC=N1 PIINXYKJQGMIOZ-UHFFFAOYSA-N 0.000 description 1
- 125000001781 1,3,4-oxadiazolyl group Chemical group 0.000 description 1
- 125000004520 1,3,4-thiadiazolyl group Chemical group 0.000 description 1
- IVORCBKUUYGUOL-UHFFFAOYSA-N 1-ethynyl-2,4-dimethoxybenzene Chemical compound COC1=CC=C(C#C)C(OC)=C1 IVORCBKUUYGUOL-UHFFFAOYSA-N 0.000 description 1
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 1
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- 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
- KOFGNZOFJYBHIN-UHFFFAOYSA-N trimethoxy-[3-(3-trimethoxysilylpropyltrisulfanyl)propyl]silane Chemical compound CO[Si](OC)(OC)CCCSSSCCC[Si](OC)(OC)OC KOFGNZOFJYBHIN-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-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
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- XKMZOFXGLBYJLS-UHFFFAOYSA-L zinc;prop-2-enoate Chemical compound [Zn+2].[O-]C(=O)C=C.[O-]C(=O)C=C XKMZOFXGLBYJLS-UHFFFAOYSA-L 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- XJUNLJFOHNHSAR-UHFFFAOYSA-J zirconium(4+);dicarbonate Chemical compound [Zr+4].[O-]C([O-])=O.[O-]C([O-])=O XJUNLJFOHNHSAR-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
項1.
シリカ、カーボンブラック、ジエン系ゴム成分、下記一般式(1)及び/又は(2)で表される化合物又は該化合物の塩、並びに下記一般式(3)で表される化合物又は該化合物の塩を含む、ゴム組成物。
項2.
前記ジエン系ゴム成分100質量部に対し、一般式(1)及び/又は(2)で表される化合物を合計で0.05〜6質量部含む、項1に記載の組成物。
項3.
前記ジエン系ゴム成分100質量部に対し、一般式(3)で表される化合物を0.05〜6質量部含む、項1又は2に記載の組成物。
項4.
前記ジエン系ゴム成分は、天然ゴムを含む、項1〜3の何れかに記載の組成物。
項5.
前記ジエン系ゴム成分は、天然ゴムを20〜80質量%含む、項1〜4の何れかに記載の組成物。
項6.
前記ジエン系ゴム成分100質量部に対し、前記シリカを15〜110質量部含む、項1〜5の何れかに記載の組成物。
項7.
前記ジエン系ゴム成分100質量部に対し、前記カーボンブラックを5〜70質量部含む、項1〜6の何れかに記載の組成物。
項8.
項1〜7の何れかに記載の組成物により作製されたタイヤ。
本発明のゴム組成物は、シリカ、カーボンブラック及びジエン系ゴム成分に加えて、
後述する一般式(1)で表される化合物又は該化合物の塩(以下、「化合物(1)」という。)、及び、
後述する一般式(2)で表される化合物又は該化合物の塩(以下、「化合物(2)」という。)のうち、何れか又は双方、
並びに、後述する一般式(3)で表される化合物又は該化合物の塩(以下、「化合物(3)」という。)を、含む。
本発明のゴム組成物は、ジエン系ゴム成分を含む。かかるジエン系ゴムとしては特に制限はなく、例えば、天然ゴム(NR)、合成ジエン系ゴム、並びに天然ゴム及び合成ジエン系ゴムとの混合物が挙げられる。
化合物(1)〜(3)の一般式は、下記の通りである。
1,2,4,5−テトラジン、
3,6−ビス(2−ピリジル)−1,2,4,5−テトラジン、
3,6−ビス(3−ピリジル)−1,2,4,5−テトラジン、
3,6−ビス(4−ピリジル)−1,2,4,5−テトラジン、
3,6−ジフェニル−1,2,4,5−テトラジン、
3,6−ジベンジル−1,2,4,5−テトラジン、
3,6−ビス(2−フラニル)−1,2,4,5−テトラジン、
3−メチル−6−(3−ピリジル)−1,2,4,5−テトラジン、
3,6−ビス(3,5−ジメチル−1−ピラゾリル)−1,2,4,5−テトラジン、
3,6−ビス(2−チエニル)−1,2,4,5−テトラジン、
3−メチル−6−(2−ピリジル)−1,2,4,5−テトラジン、
3,6−ビス(4−ヒドロキシフェニル)−1,2,4,5−テトラジン、
3,6−ビス(3−ヒドロキシフェニル)−1,2,4,5−テトラジン、
3,6−ビス(2−ピリミジニル)−1,2,4,5−テトラジン、
3,6−ビス(2−ピラジル)−1,2,4,5−テトラジン等が挙げられる。
シリカとしては、公知のものを広く採用することが可能である。中でも、湿式シリカ、乾式シリカ、又はコロイダルシリカを使用することが好ましく、湿式シリカを使用することがより好ましい。これらのシリカは、ゴム成分との親和性を向上させるために、シリカの表面が有機処理されていてもよい。市販されているシリカを使用してもよい。シリカを使用しない場合、ゴム強度が不充分となってしまう。
カーボンブラックは、通常ゴムの補強性を向上させるために用いられる。使用するカーボンブラックとしては、特に制限はなく、公知のものを広く採用することが可能である。例えば、市販品のカーボンブラック、Carbon−Silica Dual phase filler等を使用してもよい。ゴム組成物にカーボンブラックを含有することにより、ゴムの電気抵抗を下げて、帯電を抑止する効果、さらにゴムの強度を向上させる効果を享受できる。
上記に加えて、本発明のゴム組成物には、ゴム工業界で通常使用される配合剤、例えば、シリカ及びカーボンブラック以外の無機充填材、老化防止剤、含水酸化チタン、オゾン防止剤、軟化剤、加工助剤、ワックス、樹脂、発泡剤、オイル、ステアリン酸、酸化亜鉛(ZnO)、加硫促進剤、加硫遅延剤、加硫剤(硫黄)等を、本発明の目的を害しない範囲内で適宜選択して配合することができる。これら配合剤としては、市販品を好適に使用することができる。
本発明のタイヤは、上記した本発明のゴム組成物を用いて作製される。かかるタイヤとしては、例えば、空気入りタイヤ(ラジアルタイヤ、バイアスタイヤ等)、ソリッドタイヤ等が挙げられる。
本発明のゴム組成物は、常法に基づき、製造することができる。例えば、ジエン系ゴム成分と化合物(1)及び/又は化合物(2)、並びに化合物(3)を混合した後、シリカ及びカーボンブラックを投入して混合することが好ましい。より具体的には、ジエン系ゴム成分と、化合物(1)及び/又は化合物(2)、並びに化合物(3)とを混合(混練)する工程(A)、及び、該工程(A)で得られる混合物、シリカ、及びカーボンブラックを含む原料成分を混合(混練)する工程(B)を含む製造方法を例示することができる。
本発明のゴム組成物の製造方法において、通常、ゴム組成物に配合されるステアリン酸、酸化亜鉛、老化防止剤、シリカ及びカーボンブラック以外の無機充填材等の各種配合剤を、必要に応じて、工程(A)又は工程(B)において添加することができる。
本発明のゴム組成物は、バンバリーミキサー、ロール、インテンシブミキサー、ニーダー、単軸押出機、二軸押出機等を用いて混合又は混練りされることが好ましい。その後、押出工程において押出して加工され、例えば、タイヤ、ホース、又は防振ゴムとして成形される。
下記表1の工程(I)に記載の各成分をその割合(質量部)で混合し、バンバリーミキサーで混合物の最高温度が160℃になるように回転数を調整しながら5分間混練した。混合物の温度が80℃以下になるまで養生させた後、表1の工程(II)に記載の各成分をその割合(質量部)で投入し、混合物の最高温度が110℃以下になるよう調整しながら混練して、各ゴム組成物を製造した。
上記実施例1〜6並びに比較例1及び2で作製したゴム組成物から作製した試験片を用いて、粘弾性測定装置(Metravib社製)を使用し、温度60℃、動歪5%、周波数15HzでTanδ値を測定した。
式:低燃費性指数= (実施例1〜6に対応する各試験片のTanδ値)/(比較例1に対応するゴ試験片のTanδ値)×100
JIS K 6270:2018に準じて、上記実施例1〜6並びに比較例1及び2のゴム組成物から作製したダンベル状3号試験片を用い、25℃、試験ひずみ100%、試験周波数は2Hzで繰り返し引張試験を行い、疲労寿命(破断までの繰り返し引張回数)を測定した。比較例1の疲労寿命を100とし、下記式に基づいて、耐久性指数を算出した。結果を表1に示す。なお、指数値が大きい程、耐久性が良好であることを示す。
式:耐久性指数= (実施例1〜6及び比較例2に対応する各試験片の疲労寿命)/(比較例1に対応する試験片の疲労寿命)×100
※2: 旭化成株式会社製、商品名「タフデン2000R」
※3: GUANGKEN RUBBER社製、TSR−20
※4: 東ソー・シリカ株式会社製、商品名「Nipsil(銘柄AQ)」
※5: エボニック株式会社製、商品名「Si69」
※6: 東海カーボン株式会社製、商品名「シースト3」
※7: 川口化学工業株式会社製、商品名「Antage 6C」
※8: ストラクトール社製、商品名「HT254」
※9: 堺化学工業株式会社製、酸化亜鉛 銘柄「1種」
※10: Sichuan Tianyu Grease Chemical Co., Ltd. 製
※11: 化合物(1a):大塚化学株式会社製、3−メチル−5−ピラゾロン
※12: 化合物(3a):東京化成工業株式会社製、3,6−ビス(2−ピリジル)−1,2,4,5−テトラジン
※13: 大内新興化学工業株式会社製、商品名「ノクセラーD」
※14: 大内新興化学工業株式会社製、商品名「ノクセラーCZ−G」
※15: 細井化学工業株式会社製、商品名「HK200−5」
Claims (8)
- シリカ、カーボンブラック、ジエン系ゴム成分、下記一般式(1)及び/又は(2)で表される化合物又は該化合物の塩、並びに下記一般式(3)で表される化合物又は該化合物の塩を含む、ゴム組成物。
- 前記ジエン系ゴム成分100質量部に対し、一般式(1)及び/又は(2)で表される化合物を合計で0.05〜6質量部含む、請求項1に記載の組成物。
- 前記ジエン系ゴム成分100質量部に対し、一般式(3)で表される化合物を0.05〜6質量部含む、請求項1又は2に記載の組成物。
- 前記ジエン系ゴム成分は、天然ゴムを含む、請求項1〜3の何れか1項に記載の組成物。
- 前記ジエン系ゴム成分は、天然ゴムを20〜80質量%含む、請求項1〜4の何れか1項に記載の組成物。
- 前記ジエン系ゴム成分100質量部に対し、前記シリカを15〜110質量部含む、請求項1〜5の何れか1項に記載の組成物。
- 前記ジエン系ゴム成分100質量部に対し、前記カーボンブラックを5〜70質量部含む、請求項1〜6の何れか1項に記載の組成物。
- 請求項1〜7の何れか1項に記載の組成物により作製されたタイヤ。
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JPS50155549A (ja) * | 1974-06-06 | 1975-12-15 | ||
JPS5336539A (en) * | 1976-09-16 | 1978-04-04 | Dainichi Nippon Cables Ltd | Stabilized rubber composition |
JP2008189911A (ja) * | 2007-01-11 | 2008-08-21 | Bridgestone Corp | タイヤ用ゴム組成物及びそれを用いた空気入りタイヤ |
JP2018150438A (ja) * | 2017-03-10 | 2018-09-27 | 大塚化学株式会社 | ゴム組成物及びタイヤ |
JP2018154759A (ja) * | 2017-03-17 | 2018-10-04 | 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 |
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JPS50155549A (ja) * | 1974-06-06 | 1975-12-15 | ||
JPS5336539A (en) * | 1976-09-16 | 1978-04-04 | Dainichi Nippon Cables Ltd | Stabilized rubber composition |
JP2008189911A (ja) * | 2007-01-11 | 2008-08-21 | Bridgestone Corp | タイヤ用ゴム組成物及びそれを用いた空気入りタイヤ |
JP2018150438A (ja) * | 2017-03-10 | 2018-09-27 | 大塚化学株式会社 | ゴム組成物及びタイヤ |
JP2018154759A (ja) * | 2017-03-17 | 2018-10-04 | 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 |
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