JP2022067163A - ゴム組成物、タイヤ及びゴム用添加剤 - Google Patents
ゴム組成物、タイヤ及びゴム用添加剤 Download PDFInfo
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- JP2022067163A JP2022067163A JP2020175724A JP2020175724A JP2022067163A JP 2022067163 A JP2022067163 A JP 2022067163A JP 2020175724 A JP2020175724 A JP 2020175724A JP 2020175724 A JP2020175724 A JP 2020175724A JP 2022067163 A JP2022067163 A JP 2022067163A
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- rubber
- rubber composition
- carbohydrazide
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 109
- 239000005060 rubber Substances 0.000 title claims abstract description 109
- 239000000203 mixture Substances 0.000 title claims abstract description 70
- 239000000654 additive Substances 0.000 title claims description 10
- 230000000996 additive effect Effects 0.000 title claims description 8
- -1 tire Substances 0.000 title description 32
- 150000001875 compounds Chemical class 0.000 claims abstract description 31
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 13
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 12
- 125000001425 triazolyl group Chemical group 0.000 claims abstract description 12
- 125000003277 amino group Chemical group 0.000 claims abstract description 11
- 125000003373 pyrazinyl group Chemical group 0.000 claims abstract description 10
- 125000000714 pyrimidinyl group Chemical group 0.000 claims abstract description 10
- 125000005956 isoquinolyl group Chemical group 0.000 claims abstract description 9
- 125000005843 halogen group Chemical group 0.000 claims abstract description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract description 7
- 125000002098 pyridazinyl group Chemical group 0.000 claims abstract description 7
- 125000001424 substituent group Chemical group 0.000 claims abstract description 7
- 125000004306 triazinyl group Chemical group 0.000 claims abstract description 7
- 125000002883 imidazolyl group Chemical group 0.000 claims abstract description 6
- 125000003226 pyrazolyl group Chemical group 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 39
- 239000000945 filler Substances 0.000 claims description 20
- 239000000377 silicon dioxide Substances 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 125000002897 diene group Chemical group 0.000 claims 1
- 230000020169 heat generation Effects 0.000 abstract description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 51
- 238000004519 manufacturing process Methods 0.000 description 27
- 239000007822 coupling agent Substances 0.000 description 19
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 18
- 239000000243 solution Substances 0.000 description 18
- 239000006087 Silane Coupling Agent Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 16
- 150000001993 dienes Chemical class 0.000 description 15
- 244000043261 Hevea brasiliensis Species 0.000 description 14
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine hydrate Chemical compound O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 14
- 229920003052 natural elastomer Polymers 0.000 description 14
- 229920001194 natural rubber Polymers 0.000 description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 13
- 239000007787 solid Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 239000006229 carbon black Substances 0.000 description 9
- 235000019241 carbon black Nutrition 0.000 description 9
- 239000005062 Polybutadiene Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 229920002857 polybutadiene Polymers 0.000 description 8
- QSBVLAGQLFROAU-UHFFFAOYSA-N pyridazine-3-carbohydrazide Chemical compound NNC(=O)C1=CC=CN=N1 QSBVLAGQLFROAU-UHFFFAOYSA-N 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 229920003048 styrene butadiene rubber Polymers 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 7
- 239000002174 Styrene-butadiene Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- DQEIYNHQKWEZKR-UHFFFAOYSA-N pyrimidine-2-carbohydrazide Chemical compound NNC(=O)C1=NC=CC=N1 DQEIYNHQKWEZKR-UHFFFAOYSA-N 0.000 description 6
- 238000004073 vulcanization Methods 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 229920003244 diene elastomer Polymers 0.000 description 5
- 239000011256 inorganic filler Substances 0.000 description 5
- 229910003475 inorganic filler Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 239000010936 titanium Substances 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
- BKTBECSWYCHYID-UHFFFAOYSA-N 1h-1,2,4-triazole-5-carbohydrazide Chemical compound NNC(=O)C1=NC=NN1 BKTBECSWYCHYID-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 150000004703 alkoxides Chemical class 0.000 description 4
- 150000004645 aluminates Chemical class 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 239000013522 chelant Substances 0.000 description 4
- VRKGMQCMMGPVLZ-UHFFFAOYSA-N isoquinoline-1-carbohydrazide Chemical compound C1=CC=C2C(C(=O)NN)=NC=CC2=C1 VRKGMQCMMGPVLZ-UHFFFAOYSA-N 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- OHFIJHDYYOCZME-UHFFFAOYSA-N pyrazine-2-carbohydrazide Chemical compound NNC(=O)C1=CN=CC=N1 OHFIJHDYYOCZME-UHFFFAOYSA-N 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920003049 isoprene rubber Polymers 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- YMXCEDUUIKXNOM-UHFFFAOYSA-N pyridazine-4-carbohydrazide Chemical compound NNC(=O)C1=CC=NN=C1 YMXCEDUUIKXNOM-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 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
- 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
- YOBOXHGSEJBUPB-MTOQALJVSA-N (z)-4-hydroxypent-3-en-2-one;zirconium Chemical compound [Zr].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 YOBOXHGSEJBUPB-MTOQALJVSA-N 0.000 description 2
- 125000001376 1,2,4-triazolyl group Chemical group N1N=C(N=C1)* 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- FQIAWPZQJCAPSW-UHFFFAOYSA-N 1h-pyrrole-2-carbohydrazide Chemical compound NNC(=O)C1=CC=CN1 FQIAWPZQJCAPSW-UHFFFAOYSA-N 0.000 description 2
- AIFLGMNWQFPTAJ-UHFFFAOYSA-J 2-hydroxypropanoate;titanium(4+) Chemical compound [Ti+4].CC(O)C([O-])=O.CC(O)C([O-])=O.CC(O)C([O-])=O.CC(O)C([O-])=O AIFLGMNWQFPTAJ-UHFFFAOYSA-J 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
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-M Glycolate Chemical compound OCC([O-])=O AEMRFAOFKBGASW-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000006237 Intermediate SAF Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 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
- BSDOQSMQCZQLDV-UHFFFAOYSA-N butan-1-olate;zirconium(4+) Chemical compound [Zr+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] BSDOQSMQCZQLDV-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 229940125773 compound 10 Drugs 0.000 description 2
- 229940125782 compound 2 Drugs 0.000 description 2
- 229940126214 compound 3 Drugs 0.000 description 2
- 229940125898 compound 5 Drugs 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 150000002484 inorganic compounds Chemical group 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- VONGYFFEWFJHNP-UHFFFAOYSA-N methyl 1h-pyrrole-2-carboxylate Chemical compound COC(=O)C1=CC=CN1 VONGYFFEWFJHNP-UHFFFAOYSA-N 0.000 description 2
- WJHGJDGITRCZLH-UHFFFAOYSA-N methyl isoquinoline-1-carboxylate Chemical compound C1=CC=C2C(C(=O)OC)=NC=CC2=C1 WJHGJDGITRCZLH-UHFFFAOYSA-N 0.000 description 2
- ITMAHDJHOXDZEL-UHFFFAOYSA-N methyl pyridazine-3-carboxylate Chemical compound COC(=O)C1=CC=CN=N1 ITMAHDJHOXDZEL-UHFFFAOYSA-N 0.000 description 2
- IJFLWNYKGMQQOW-UHFFFAOYSA-N methyl pyridazine-4-carboxylate Chemical compound COC(=O)C1=CC=NN=C1 IJFLWNYKGMQQOW-UHFFFAOYSA-N 0.000 description 2
- JOQJEWAXHQDQAG-UHFFFAOYSA-N methyl pyrimidine-2-carboxylate Chemical compound COC(=O)C1=NC=CC=N1 JOQJEWAXHQDQAG-UHFFFAOYSA-N 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- CLNYHERYALISIR-UHFFFAOYSA-N nona-1,3-diene Chemical compound CCCCCC=CC=C CLNYHERYALISIR-UHFFFAOYSA-N 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 compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 150000007970 thio esters Chemical class 0.000 description 2
- 150000003573 thiols Chemical class 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-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
- 239000001993 wax Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 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
- 125000004529 1,2,3-triazinyl group Chemical group N1=NN=C(C=C1)* 0.000 description 1
- 125000001399 1,2,3-triazolyl group Chemical group N1N=NC(=C1)* 0.000 description 1
- YHMZMHSTHRUTCD-UHFFFAOYSA-N 1,2,4-triazine-3-carbohydrazide Chemical compound NNC(=O)C1=NC=CN=N1 YHMZMHSTHRUTCD-UHFFFAOYSA-N 0.000 description 1
- ZXNANINEVXNERF-UHFFFAOYSA-N 1,2,4-triazine-6-carbohydrazide Chemical compound NNC(=O)C1=CN=CN=N1 ZXNANINEVXNERF-UHFFFAOYSA-N 0.000 description 1
- 125000004530 1,2,4-triazinyl group Chemical group N1=NC(=NC=C1)* 0.000 description 1
- AQZFDIIOPBQMCV-UHFFFAOYSA-N 1,3,5-triazine-2-carbohydrazide Chemical compound NNC(=O)C1=NC=NC=N1 AQZFDIIOPBQMCV-UHFFFAOYSA-N 0.000 description 1
- 125000003363 1,3,5-triazinyl group Chemical group N1=C(N=CN=C1)* 0.000 description 1
- KOEQDKRZCIVPLK-UHFFFAOYSA-N 1-amino-3-anilinourea Chemical compound NNC(=O)NNC1=CC=CC=C1 KOEQDKRZCIVPLK-UHFFFAOYSA-N 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
- ICBDCZOMGFWNRM-UHFFFAOYSA-N 1h-imidazole-2-carbohydrazide Chemical compound NNC(=O)C1=NC=CN1 ICBDCZOMGFWNRM-UHFFFAOYSA-N 0.000 description 1
- FYMACJSAHLBMHV-UHFFFAOYSA-N 1h-imidazole-5-carbohydrazide Chemical compound NNC(=O)C1=CN=CN1 FYMACJSAHLBMHV-UHFFFAOYSA-N 0.000 description 1
- NRSROFSJAIJRAN-UHFFFAOYSA-N 1h-pyrazole-4-carbohydrazide Chemical compound NNC(=O)C=1C=NNC=1 NRSROFSJAIJRAN-UHFFFAOYSA-N 0.000 description 1
- VWOQOMNXHWAQMJ-UHFFFAOYSA-N 1h-pyrazole-5-carbohydrazide Chemical compound NNC(=O)C1=CC=NN1 VWOQOMNXHWAQMJ-UHFFFAOYSA-N 0.000 description 1
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 description 1
- WYLQYIZMHUZWCH-UHFFFAOYSA-N 2h-triazole-4-carbohydrazide Chemical compound NNC(=O)C=1C=NNN=1 WYLQYIZMHUZWCH-UHFFFAOYSA-N 0.000 description 1
- ZDZYGYFHTPFREM-UHFFFAOYSA-N 3-[3-aminopropyl(dimethoxy)silyl]oxypropan-1-amine Chemical compound NCCC[Si](OC)(OC)OCCCN ZDZYGYFHTPFREM-UHFFFAOYSA-N 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
- BIGOJJYDFLNSGB-UHFFFAOYSA-N 3-isocyanopropyl(trimethoxy)silane Chemical group CO[Si](OC)(OC)CCC[N+]#[C-] BIGOJJYDFLNSGB-UHFFFAOYSA-N 0.000 description 1
- 125000005917 3-methylpentyl group Chemical group 0.000 description 1
- 125000004904 3-methylpentylamino group Chemical group CC(CCN*)CC 0.000 description 1
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- 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
- 229920006173 natural rubber latex Polymers 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
- 150000002823 nitrates Chemical class 0.000 description 1
- KQJBQMSCFSJABN-UHFFFAOYSA-N octadecan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCCCCCCCCCCCCCCCC[O-].CCCCCCCCCCCCCCCCCC[O-].CCCCCCCCCCCCCCCCCC[O-].CCCCCCCCCCCCCCCCCC[O-] KQJBQMSCFSJABN-UHFFFAOYSA-N 0.000 description 1
- KSCKTBJJRVPGKM-UHFFFAOYSA-N octan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCCCCCC[O-].CCCCCCCC[O-].CCCCCCCC[O-].CCCCCCCC[O-] KSCKTBJJRVPGKM-UHFFFAOYSA-N 0.000 description 1
- 125000005447 octyloxy 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])C([H])([H])O* 0.000 description 1
- MSRJTTSHWYDFIU-UHFFFAOYSA-N octyltriethoxysilane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 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
- 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
- 229960005235 piperonyl butoxide Drugs 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- XPGAWFIWCWKDDL-UHFFFAOYSA-N propan-1-olate;zirconium(4+) Chemical compound [Zr+4].CCC[O-].CCC[O-].CCC[O-].CCC[O-] XPGAWFIWCWKDDL-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical group CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 1
- JUSIWJONLKBPDU-UHFFFAOYSA-N pyridazine-4-carboxylic acid Chemical compound OC(=O)C1=CC=NN=C1 JUSIWJONLKBPDU-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- IIHQNAXFIODVDU-UHFFFAOYSA-N pyrimidine-2-carbonitrile Chemical compound N#CC1=NC=CC=N1 IIHQNAXFIODVDU-UHFFFAOYSA-N 0.000 description 1
- NWTQBXDLKZTWAH-UHFFFAOYSA-N pyrimidine-4-carbohydrazide Chemical compound NNC(=O)C1=CC=NC=N1 NWTQBXDLKZTWAH-UHFFFAOYSA-N 0.000 description 1
- UOYSTPYCLSTYPU-UHFFFAOYSA-N pyrimidine-5-carbohydrazide Chemical compound NNC(=O)C1=CN=CN=C1 UOYSTPYCLSTYPU-UHFFFAOYSA-N 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- WUQMBBLXLQNCPT-UHFFFAOYSA-N s-(2-triethoxysilylethyl) decanethioate Chemical compound CCCCCCCCCC(=O)SCC[Si](OCC)(OCC)OCC WUQMBBLXLQNCPT-UHFFFAOYSA-N 0.000 description 1
- CDMJANBZBZLJCQ-UHFFFAOYSA-N s-(2-triethoxysilylethyl) dodecanethioate Chemical compound CCCCCCCCCCCC(=O)SCC[Si](OCC)(OCC)OCC CDMJANBZBZLJCQ-UHFFFAOYSA-N 0.000 description 1
- JFYRMIAHMUHLOS-UHFFFAOYSA-N s-(2-triethoxysilylethyl) hexanethioate Chemical compound CCCCCC(=O)SCC[Si](OCC)(OCC)OCC JFYRMIAHMUHLOS-UHFFFAOYSA-N 0.000 description 1
- AFJZXDVTYJSLNU-UHFFFAOYSA-N s-(2-triethoxysilylethyl) octanethioate Chemical compound CCCCCCCC(=O)SCC[Si](OCC)(OCC)OCC AFJZXDVTYJSLNU-UHFFFAOYSA-N 0.000 description 1
- CSGIYWZXMINHAV-UHFFFAOYSA-N s-(2-trimethoxysilylethyl) dodecanethioate Chemical compound CCCCCCCCCCCC(=O)SCC[Si](OC)(OC)OC CSGIYWZXMINHAV-UHFFFAOYSA-N 0.000 description 1
- PUZLLMXCHBUACY-UHFFFAOYSA-N s-(2-trimethoxysilylethyl) hexanethioate Chemical compound CCCCCC(=O)SCC[Si](OC)(OC)OC PUZLLMXCHBUACY-UHFFFAOYSA-N 0.000 description 1
- HQELTSCAXGZTKK-UHFFFAOYSA-N s-(2-trimethoxysilylethyl) octanethioate Chemical compound CCCCCCCC(=O)SCC[Si](OC)(OC)OC HQELTSCAXGZTKK-UHFFFAOYSA-N 0.000 description 1
- ASAQWGFTVQFUCM-UHFFFAOYSA-N s-(3-triethoxysilylpropyl) decanethioate Chemical compound CCCCCCCCCC(=O)SCCC[Si](OCC)(OCC)OCC ASAQWGFTVQFUCM-UHFFFAOYSA-N 0.000 description 1
- FJDKAMYMVCUZKT-UHFFFAOYSA-N s-(3-triethoxysilylpropyl) dodecanethioate Chemical compound CCCCCCCCCCCC(=O)SCCC[Si](OCC)(OCC)OCC FJDKAMYMVCUZKT-UHFFFAOYSA-N 0.000 description 1
- HRNWETBDIWJQRN-UHFFFAOYSA-N s-(3-triethoxysilylpropyl) hexanethioate Chemical compound CCCCCC(=O)SCCC[Si](OCC)(OCC)OCC HRNWETBDIWJQRN-UHFFFAOYSA-N 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
- JRGGSZXAQWDRLM-UHFFFAOYSA-N s-(3-trimethoxysilylpropyl) decanethioate Chemical compound CCCCCCCCCC(=O)SCCC[Si](OC)(OC)OC JRGGSZXAQWDRLM-UHFFFAOYSA-N 0.000 description 1
- CIYYUDUAQHJIQC-UHFFFAOYSA-N s-(3-trimethoxysilylpropyl) dodecanethioate Chemical compound CCCCCCCCCCCC(=O)SCCC[Si](OC)(OC)OC CIYYUDUAQHJIQC-UHFFFAOYSA-N 0.000 description 1
- QMGGNJJTVZQBQW-UHFFFAOYSA-N s-(3-trimethoxysilylpropyl) hexanethioate Chemical compound CCCCCC(=O)SCCC[Si](OC)(OC)OC QMGGNJJTVZQBQW-UHFFFAOYSA-N 0.000 description 1
- KHYCKXNQNMBFAU-UHFFFAOYSA-N s-(3-trimethoxysilylpropyl) octanethioate Chemical compound CCCCCCCC(=O)SCCC[Si](OC)(OC)OC KHYCKXNQNMBFAU-UHFFFAOYSA-N 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000001179 sorption measurement Methods 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
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000004381 surface treatment 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
- 238000012360 testing method Methods 0.000 description 1
- SOGBOGBTIKMGFS-UHFFFAOYSA-N thiophene-2-carbohydrazide Chemical compound NNC(=O)C1=CC=CS1 SOGBOGBTIKMGFS-UHFFFAOYSA-N 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- OWIZQGRJNHXEFG-UHFFFAOYSA-N triazine-4-carbohydrazide Chemical compound N1=NN=C(C=C1)C(=O)NN OWIZQGRJNHXEFG-UHFFFAOYSA-N 0.000 description 1
- WUMSTCDLAYQDNO-UHFFFAOYSA-N triethoxy(hexyl)silane Chemical compound CCCCCC[Si](OCC)(OCC)OCC WUMSTCDLAYQDNO-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
- 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
- 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
- XYJRNCYWTVGEEG-UHFFFAOYSA-N trimethoxy(2-methylpropyl)silane Chemical compound CO[Si](OC)(OC)CC(C)C XYJRNCYWTVGEEG-UHFFFAOYSA-N 0.000 description 1
- LFRDHGNFBLIJIY-UHFFFAOYSA-N trimethoxy(prop-2-enyl)silane Chemical compound CO[Si](OC)(OC)CC=C LFRDHGNFBLIJIY-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-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
- 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
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 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
Landscapes
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
項1.
下記式(1)で表される化合物又はその塩と、ゴム成分とを含むゴム組成物。
項2.
上記Aがイソキノリル基、トリアゾリル基、ピリダジニル基、ピリミジニル基、又はピラジニル基である、項1に記載のゴム組成物。
項3.
上記ゴム成分がジエン系ゴムである、項1又は2に記載のゴム組成物。
項4.
さらに充填材を含む、項1~3の何れかに記載のゴム組成物。
項5.
上記充填材がシリカである、項4に記載のゴム組成物。
項6.
項1~5のいずれかに記載のゴム組成物を用いて作製されたタイヤ。
項7.
下記式(1)で表される化合物又はその塩を含むゴム用添加剤。
項8.
低発熱化剤である、項7に記載のゴム用添加剤。
本発明のゴム組成物は、後述する式(1)で表される化合物又はその塩、並びにゴム成分を含む。当該ゴム組成物を使用して得られるゴム材料は、優れた低発熱性を有し、例えばタイヤ等に好適に使用することが可能である。
式(1)で表される化合物は、下記式の構造式により表される。
本発明のゴム組成物に含まれるゴム成分としては、特に制限はなく、ジエン系ゴム及び非ジエン系ゴムの双方を好適に使用することができる。ここで、ジエン系ゴムとしては、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の混合物等を挙げることができ、もちろんこれらに限定されない。
本発明のゴム組成物は、上記した化合物及びゴム成分以外にも、充填材、ゴム工業界で通常使用される配合剤、例えば、老化防止剤、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、亜鉛華(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。
プロピル)トリスルフィド、ビス(3-メチルジメトキシシリルプロピル)トリスルフィド、ビス(2-トリエトキシシリルエチル)トリスルフィド、ビス(3-モノエトキシジメチルシリルプロピル)テトラスルフィド、ビス(3-モノエトキシジメチルシリルプロピル)トリスルフィド、ビス(3-モノエトキシジメチルシリルプロピル)ジスルフィド、ビス(3-モノメトキシジメチルシリルプロピル)テトラスルフィド、ビス(3-モノメトキシジメチルシリルプロピル)トリスルフィド、ビス(3-モノメトキシジメチルシリルプロピル)ジスルフィド、ビス(2-モノエトキシジメチルシリルエチル)テトラスルフィド、ビス(
2-モノエトキシジメチルシリルエチル)トリスルフィド、ビス(2-モノエトキシジメチルシリルエチル)ジスルフィド等が挙げられる。これらの内、ビス(3-トリエトキシシリルプロピル)テトラスルフィドが特に好ましい。
ラン、3-ラウロイルチオプロピルトリメトキシシラン、2-ヘキサノイルチオエチルトリメトキシシラン、2-オクタノイルチオエチルトリメトキシシラン、2-デカノイルチオエチルトリメトキシシラン、2-ラウロイルチオエチルトリメトキシシラン等を挙げることができる。
上述した本発明のゴム組成物を使用してタイヤを製造することにより、低発熱性に優れたタイヤを得ることができる。
上記の式(1)で表される化合物又はその塩は、ゴム用添加剤として使用することにより、形成されるゴム材料に優れた低発熱性を与えることが可能である。かかるゴム用添加剤は化合物それ自体、つまり、式(1)で表される化合物又はその塩のみからなる態様であってもよいし、その効果を妨げない範囲内でその他の成分を含んでもよい。かかるその他の成分としては、例えば公知のオイル、樹脂、ステアリン酸、亜鉛華(ZnO)、炭酸カルシウム及びシリカ等を広く使用することが可能である。
上記の通り、本発明のゴム用添加剤は、ゴム材料に優れた低発熱性を付与することが可能であり、低発熱化剤として、好適に使用することが可能である。
本発明のゴム組成物の製造方法については特に限定はなく、例えば、上記したゴム成分、化合物、そして必要に応じてその他の成分を、混合することにより得ることが可能である。また、化合物についても、公知の方法により製造すればよい。
メタノール100mLに4H-1,2,4-トリアゾール-3-カルボン酸メチル12.5gを加えた溶液に、ヒドラジン一水和物9.9gを加えて15時間還流した。この反応液を冷却し、析出した固体をろ過した。得られた固体をメタノールで洗浄し、乾燥することで、目的物を12.3g(収率98.0%)得た。
1H-NMR(400MHz,DMSO-d6,δppm):
4.5(br-s,2H),8.4(br-s,1H),9.8(br-s,1H),14.5(br-s,1H)
融点:208℃
メタノール70mLにピラジン-2-カルボン酸メチル12.0gを加えた溶液に、ヒドラジン一水和物6.5gを加えて12時間還流した。この反応液を冷却し、析出した固体をろ過した。得られた固体をメタノールで洗浄し、乾燥することで、目的物を11.3g(収率94.1%)得た。
1H-NMR(400MHz,DMSO-d6,δppm):
4.7(m,2H),8.7(m,1H),8.8(d,1H),9.1(d,1H),10.1(br-s,1H)
融点:170℃
メタノール150mLにイソキノリン-1-カルボン酸10.4gを加えた溶液に濃硫酸27.8gを加え、72時間還流した。反応溶媒を減圧留去し、得られた残渣溶液をジクロロメタン100mLに溶かし、氷冷下で、炭酸ナトリウム飽和水溶液を加え、pHを8に調製した。有機層をジクロロメタン50mLで二回分液抽出し、硫酸ナトリウムを加え、撹拌後、ろ過し、有機溶媒を減圧留去することで目的のイソキノリン-1-カルボン酸メチル10.3g(収率91.6%)を得た。
上記で得られたイソキノリン-1-カルボン酸メチル10.3gにメタノール50mLとヒドラジン一水和物15.4gを加え、12時間還流した。この反応液を冷却し、溶媒を減圧留去した後、残渣に水200mLを加え、固体を析出させた。析出した固体をろ過し、メタノールで洗浄を行い、乾燥することで、目的物を8.3g(収率81.1%)得た。
1H-NMR(400MHz,DMSO-d6,δppm):
4.7(br-s,2H),7.7(m,1H),7.8(m,1H),7.98(d,1H),8.04(d,1H),8.5(d,1H),8.7(dd,1H),9.9(br-s,1H)
融点:107℃
2-シアノピリミジン25gに水50mLと25%苛性水80gを加え、外温60℃で2時間撹拌した。撹拌後、氷冷し、濃塩酸を用いてpHを3.8に調製し、室温で1時間撹拌した。次に溶媒を減圧留去し、トルエン50mL加え、共沸させた。得られた結晶にメタノール100mLと濃硫酸20gを加え12時間還流した。溶媒を減圧留去し、残渣に飽和炭酸水素ナトリウム水溶液を加えpHを7に調製し、水を加えて塩を溶解させた。有機層をジクロロメタン50mLで三回分液抽出し、硫酸ナトリウムを加え、撹拌後、ろ過し、有機溶媒を減圧留去することでピリミジン-2-カルボン酸メチル12.6g(収率38.3%)を得た。
上記で得られたピリミジン-2-カルボン酸メチル8.3gにメタノール100mLとヒドラジン一水和物4.5gを加え、12時間還流した。この反応液を冷却し、析出した固体をろ過した。得られた固体をメタノールで洗浄し、乾燥することで、目的物を7.6g(収率91.5%)得た。
1H-NMR(400MHz,DMSO-d6,δppm):
4.6(m,2H),7.6(t,1H),8.9(d,2H),10.0(br-s,1H)
融点:180℃
ピリジン1.2Lに3-メチルピリダジン25.5gを加えた溶液に二酸化セレン50gを加え、外温80℃で12時間撹拌した。反応液を室温まで冷却し、親水性PTFEメンブレンフィルターで固体を除き、溶媒を減圧留去した。残渣にメタノール500mLと濃硫酸90gを加え、外温80℃で12時間還流した。溶媒を減圧留去し、残渣に飽和炭酸水素ナトリウム水溶液でpHを7.7に調製した。溶液をジクロロメタン100mLで四回分液抽出し、硫酸ナトリウムを加え、撹拌後、ろ過し、有機溶媒を減圧留去することでピリダジン-3-カルボン酸メチル23.6g(収率63.1%)を得た。
上記で得られたピリダジン-3-カルボン酸メチル11.6gにメタノール100mLとヒドラジン一水和物8.3gを加えて1時間還流した。この反応液を冷却し、溶媒を減圧留去すると固体の生成物が得られた。この生成物をメタノールで解砕洗浄後、ろ過し、乾燥することで、目的物を6.0g(収率51.7%)得た。
1H-NMR(400MHz,DMSO-d6,δppm):
4.7(br-s,2H),8.0(dd,1H),9.4(dd,1H),9.5(m,1H),10.3(br-s,1H)
融点:119℃
クロロホルム50mLにピリダジン-4-カルボン酸5.5gを加えた溶液に、塩化チオニル27.2gを加え、外温65℃で6時間撹拌した。氷冷下、メタノール50mLを徐々に加えた後、溶媒を減圧留去した。残渣にジクロロメタン50mLを加え、氷冷下で撹拌しながら炭酸水素ナトリウム水溶液を加え、pHを7.8に調製した。析出した固体をろ過し、溶液をジクロロメタン100mLで三回分液抽出し、硫酸ナトリウムを加え、撹拌後、ろ過し、有機溶媒を減圧留去することでピリダジン-4-カルボン酸メチル5.8g(収率94.7%)を得た。
上記で得られたピリダジン-4-カルボン酸メチル4.8gにメタノール50mLとヒドラジン一水和物4.5gを加えて12時間還流した。この反応液を冷却し、溶媒を減圧留去するとオイル状の生成物が得られた。得られた生成物にトルエン20mLを加え、共沸させた。共沸により得られた固体を乾燥することで、目的物を4.7g(収率97.9%)得た。
1H-NMR(400MHz,DMSO-d6,δppm):
4.7(m,2H),7.9(m,1H),8.1(dd,1H),9.4(dd,1H),10.4(br-s,1H)
融点:143℃
メタノール70mLに1H-ピロール-2-カルボン酸メチル12.0gを加えた溶液に、ヒドラジン一水和物14.4gを加えて12時間還流した。この反応液を冷却し、析出した固体をろ過した。得られた固体をメタノールで洗浄し、乾燥することで、目的物を10.5g(収率95.8%)得た。
1H-NMR(400MHz,DMSO-d6,δppm):
4.3(br-s,2H),6.0(m,1H),6.7(s,1H),6.8(s,1H),9.2(s,1H),11.4(br-s,1H)
融点:235℃
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、未加硫ゴム組成物を製造した。ここで得られた未加硫ゴム組成物を加硫プレス機を用いて150℃×30分で加熱することにより、各ゴムを得た。
各実施例及び比較例のゴム組成物について、粘弾性測定装置(Metravib社製)を使用し、温度40℃、動歪5%、周波数15HzでTanδ値を測定した。比較するために、化合物を添加しない以外は、各実施例と同じ配合内容及び同じ製法でゴム組成物(参考例1)を作製し、そのTanδ値を100とした指数により表し、下記式に基づいて低発熱性指数を算出した。なお、低発熱性指数の値が小さい程、低発熱性であり、ヒステリシスロスが小さいことを示す。
式:低発熱性指数
=(各実施例1~6、及び比較例1~4のゴム組成物のTanδ値)×100/(参考例1のTanδ値)
※2:化合物1;製造例1で製造した4H-1,2,4-トリアゾール-3-カルボヒドラジド
※3:化合物2;製造例2で製造したピラジン-2-カルボヒドラジド
※4:化合物3;製造例3で製造したイソキノリン-1-カルボヒドラジド
※5:化合物4;製造例4で製造したピリミジン-2-カルボヒドラジド
※6:化合物5;製造例5で製造したピリダジン-4-カルボヒドラジド
※7:化合物6;製造例6で製造したピリダジン-3-カルボヒドラジド
※8:化合物7;東京化成工業株式会社製、フェニルカルボヒドラジド
※9:化合物8;東京化成工業株式会社製、フラン-2-カルボヒドラジド
※10:化合物9;東京化成工業株式会社製、チオフェン-2-カルボヒドラジド
※11:化合物10;製造例7で製造した1H-ピロール-2-カルボヒドラジド
※12:シリカ;QueChen Silicon Chemical Co.,Ltd.社製、HD165MP
※13:シランカップリング剤;エボニック社製、Si69
※14:老化防止剤;Kemai Chemical Co.,Ltd社製、6-PPD
※15:ワックス;Rhein Chemie Rheinau社製、Antilux 111
※16:酸化亜鉛;Dalian Zinc Oxide Co.,Ltd社製
※17:ステアリン酸;Sichuan Tianyu Grease社製
※18:加硫促進剤1;Kemai Chemical Co.,Ltd社製、CBS
※19:加硫促進剤2;Kemai Chemical Co.,Ltd社製、DPG
※20:硫黄;Shanghai Jinghai Chemical Co.,Ltd社製
Claims (8)
- 上記Aがイソキノリル基、トリアゾリル基、ピリダジニル基、ピリミジニル基、又はピラジニル基である、請求項1に記載のゴム組成物。
- 上記ゴム成分がジエン系ゴムである、請求項1又は2に記載のゴム組成物。
- さらに充填材を含む、請求項1~3の何れか1項に記載のゴム組成物。
- 上記充填材がシリカである、請求項4に記載のゴム組成物。
- 請求項1~5のいずれか一項に記載のゴム組成物を用いて作製されたタイヤ。
- 低発熱化剤である、請求項7に記載のゴム用添加剤。
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