JP7198392B2 - 高発泡倍率を有する発泡体の製造用ゴム組成物、高発泡倍率発泡体、タイヤ、音響用部材、シール材、ホース、ベルト、電線被覆、断熱材、ゴム用発泡倍率向上剤、発泡体の発泡倍率を向上させる方法、及び高発泡倍率発泡体の製造方法 - Google Patents
高発泡倍率を有する発泡体の製造用ゴム組成物、高発泡倍率発泡体、タイヤ、音響用部材、シール材、ホース、ベルト、電線被覆、断熱材、ゴム用発泡倍率向上剤、発泡体の発泡倍率を向上させる方法、及び高発泡倍率発泡体の製造方法 Download PDFInfo
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- JP7198392B2 JP7198392B2 JP2022547856A JP2022547856A JP7198392B2 JP 7198392 B2 JP7198392 B2 JP 7198392B2 JP 2022547856 A JP2022547856 A JP 2022547856A JP 2022547856 A JP2022547856 A JP 2022547856A JP 7198392 B2 JP7198392 B2 JP 7198392B2
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- 229920001971 elastomer Polymers 0.000 title claims description 139
- 239000005060 rubber Substances 0.000 title claims description 139
- 239000000203 mixture Substances 0.000 title claims description 132
- 239000006260 foam Substances 0.000 title claims description 113
- 238000005187 foaming Methods 0.000 title claims description 39
- 238000000034 method Methods 0.000 title claims description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 29
- 239000011810 insulating material Substances 0.000 title claims description 13
- 238000000576 coating method Methods 0.000 title claims description 10
- 239000011248 coating agent Substances 0.000 title claims description 9
- 239000003566 sealing material Substances 0.000 title claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 62
- -1 vinyl-methyl Chemical group 0.000 claims description 56
- 238000002156 mixing Methods 0.000 claims description 51
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 36
- 239000004088 foaming agent Substances 0.000 claims description 32
- 125000000217 alkyl group Chemical group 0.000 claims description 30
- 239000000126 substance Substances 0.000 claims description 23
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 22
- 244000043261 Hevea brasiliensis Species 0.000 claims description 21
- 229920003052 natural elastomer Polymers 0.000 claims description 21
- 229920001194 natural rubber Polymers 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 150000003839 salts Chemical class 0.000 claims description 18
- 125000003118 aryl group Chemical group 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 13
- 125000001424 substituent group Chemical group 0.000 claims description 12
- 229920002943 EPDM rubber Polymers 0.000 claims description 11
- 239000005062 Polybutadiene Substances 0.000 claims description 11
- 229920002857 polybutadiene Polymers 0.000 claims description 11
- 239000003431 cross linking reagent Substances 0.000 claims description 10
- 239000004945 silicone rubber Substances 0.000 claims description 9
- 229920000459 Nitrile rubber Polymers 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 7
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 6
- 229920005683 SIBR Polymers 0.000 claims description 6
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 claims description 6
- 229920005549 butyl rubber Polymers 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 229920005558 epichlorohydrin rubber Polymers 0.000 claims description 6
- 229920003049 isoprene rubber Polymers 0.000 claims description 6
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 6
- 239000005077 polysulfide Substances 0.000 claims description 4
- 229920001021 polysulfide Polymers 0.000 claims description 4
- 150000008117 polysulfides Polymers 0.000 claims description 4
- 229920006169 Perfluoroelastomer Polymers 0.000 claims description 3
- 239000002174 Styrene-butadiene Substances 0.000 claims description 3
- 229920006311 Urethane elastomer Polymers 0.000 claims description 3
- 229920000800 acrylic rubber Polymers 0.000 claims description 3
- CCDWGDHTPAJHOA-UHFFFAOYSA-N benzylsilicon Chemical compound [Si]CC1=CC=CC=C1 CCDWGDHTPAJHOA-UHFFFAOYSA-N 0.000 claims description 3
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- 229920001921 poly-methyl-phenyl-siloxane Polymers 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 46
- 230000000052 comparative effect Effects 0.000 description 35
- 239000006229 carbon black Substances 0.000 description 27
- 235000019241 carbon black Nutrition 0.000 description 27
- 239000000377 silicon dioxide Substances 0.000 description 22
- 239000007822 coupling agent Substances 0.000 description 20
- 229920003244 diene elastomer Polymers 0.000 description 19
- 239000011256 inorganic filler Substances 0.000 description 19
- 229910003475 inorganic filler Inorganic materials 0.000 description 19
- 238000010097 foam moulding Methods 0.000 description 17
- 230000005484 gravity Effects 0.000 description 17
- 239000006087 Silane Coupling Agent Substances 0.000 description 15
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 12
- 238000004073 vulcanization Methods 0.000 description 12
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- 235000019399 azodicarbonamide Nutrition 0.000 description 10
- 125000004432 carbon atom Chemical group C* 0.000 description 10
- CLNYHERYALISIR-UHFFFAOYSA-N nona-1,3-diene Chemical compound CCCCCC=CC=C CLNYHERYALISIR-UHFFFAOYSA-N 0.000 description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
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- 230000004048 modification Effects 0.000 description 8
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- 238000009472 formulation Methods 0.000 description 7
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 238000013329 compounding Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
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- 208000030984 MIRAGE syndrome Diseases 0.000 description 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 description 5
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- 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
- NHLAPJMCARJFOG-UHFFFAOYSA-N 3-methyl-1,4-dihydropyrazol-5-one Chemical compound CC1=NNC(=O)C1 NHLAPJMCARJFOG-UHFFFAOYSA-N 0.000 description 4
- ICGLPKIVTVWCFT-UHFFFAOYSA-N 4-methylbenzenesulfonohydrazide Chemical compound CC1=CC=C(S(=O)(=O)NN)C=C1 ICGLPKIVTVWCFT-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 235000021355 Stearic acid Nutrition 0.000 description 4
- VRFNYSYURHAPFL-UHFFFAOYSA-N [(4-methylphenyl)sulfonylamino]urea Chemical compound CC1=CC=C(S(=O)(=O)NNC(N)=O)C=C1 VRFNYSYURHAPFL-UHFFFAOYSA-N 0.000 description 4
- 150000004703 alkoxides Chemical class 0.000 description 4
- 150000004645 aluminates Chemical class 0.000 description 4
- 125000004103 aminoalkyl group Chemical group 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 239000013522 chelant Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 150000002484 inorganic compounds Chemical group 0.000 description 4
- 229910010272 inorganic material Inorganic materials 0.000 description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 4
- 239000012779 reinforcing material Substances 0.000 description 4
- 239000008117 stearic acid Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium 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
- 239000011787 zinc oxide Substances 0.000 description 4
- ULUZGMIUTMRARO-UHFFFAOYSA-N (carbamoylamino)urea Chemical compound NC(=O)NNC(N)=O ULUZGMIUTMRARO-UHFFFAOYSA-N 0.000 description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical group CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 125000004423 acyloxy group Chemical group 0.000 description 3
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 125000004181 carboxyalkyl group Chemical group 0.000 description 3
- 239000002666 chemical blowing agent Substances 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 229920001821 foam rubber Polymers 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 150000002611 lead compounds Chemical class 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
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 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
- 150000003752 zinc compounds Chemical class 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
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 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
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-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
- 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
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- DVWQYZFPQDDTID-UHFFFAOYSA-K C(CCCCCCCC=CCCCCCCCC)CC(CC(=O)[O-])=O.[Al+3].C(CCCCCCCC=CCCCCCCCC)CC(CC(=O)[O-])=O.C(CCCCCCCC=CCCCCCCCC)CC(CC(=O)[O-])=O Chemical compound C(CCCCCCCC=CCCCCCCCC)CC(CC(=O)[O-])=O.[Al+3].C(CCCCCCCC=CCCCCCCCC)CC(CC(=O)[O-])=O.C(CCCCCCCC=CCCCCCCCC)CC(CC(=O)[O-])=O DVWQYZFPQDDTID-UHFFFAOYSA-K 0.000 description 2
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- 239000004593 Epoxy Substances 0.000 description 2
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
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- 125000005370 alkoxysilyl group Chemical group 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
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- 230000003712 anti-aging effect Effects 0.000 description 2
- 125000005110 aryl thio group Chemical group 0.000 description 2
- 125000004104 aryloxy group Chemical group 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 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
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- 239000000460 chlorine Substances 0.000 description 2
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- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 2
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- 238000009826 distribution Methods 0.000 description 2
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
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- WIEGKKSLPGLWRN-UHFFFAOYSA-N ethyl 3-oxobutanoate;titanium Chemical compound [Ti].CCOC(=O)CC(C)=O WIEGKKSLPGLWRN-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
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- 239000007789 gas Substances 0.000 description 2
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- 125000005843 halogen group Chemical group 0.000 description 2
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
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- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
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- 229960002447 thiram Drugs 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical class [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 1
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-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
- UMFJXASDGBJDEB-UHFFFAOYSA-N triethoxy(prop-2-enyl)silane Chemical compound CCO[Si](CC=C)(OCC)OCC UMFJXASDGBJDEB-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
- ZMANZCXQSJIPKH-UHFFFAOYSA-O triethylammonium ion Chemical compound CC[NH+](CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-O 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
- 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
- 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
- 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
- 150000003672 ureas Chemical class 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
- 239000010457 zeolite Substances 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- ZMLPZCGHASSGEA-UHFFFAOYSA-M zinc trifluoromethanesulfonate Chemical compound [Zn+2].[O-]S(=O)(=O)C(F)(F)F ZMLPZCGHASSGEA-UHFFFAOYSA-M 0.000 description 1
- CITILBVTAYEWKR-UHFFFAOYSA-L zinc trifluoromethanesulfonate Substances [Zn+2].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F CITILBVTAYEWKR-UHFFFAOYSA-L 0.000 description 1
- UMGLWJIVIBWZCW-UHFFFAOYSA-L zinc;benzenesulfinate Chemical compound [Zn+2].[O-]S(=O)C1=CC=CC=C1.[O-]S(=O)C1=CC=CC=C1 UMGLWJIVIBWZCW-UHFFFAOYSA-L 0.000 description 1
- JLVUSDMLNQQPCD-UHFFFAOYSA-L zinc;phenylmethanesulfonate Chemical compound [Zn+2].[O-]S(=O)(=O)CC1=CC=CC=C1.[O-]S(=O)(=O)CC1=CC=CC=C1 JLVUSDMLNQQPCD-UHFFFAOYSA-L 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
- 229910052726 zirconium Inorganic materials 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
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Description
下記成分(a)、(b)、(c)及び(d)を含む、高発泡倍率を有する発泡体の製造用ゴム組成物。
(a)ゴム成分
(b)化学発泡剤
(c)下記式(1)で表される化合物又はその塩
(d)加硫剤及び架橋剤からなる群より選択される少なくとも一種
前記ゴム成分は、天然ゴム、スチレン-ブタジエン共重合体ゴム(SBR)、ブタジエンゴム(BR)、イソプレンゴム(IR)、スチレン-イソプレン-ブタジエンゴム(SIBR)、ニトリルゴム(NBR)、クロロプレンゴム(CR)、スチレン-イソプレン-スチレン三元ブロック共重合体(SIS)、及びスチレン-ブタジエン-スチレン三元ブロック共重合体(SBS)から選ばれる少なくとも一種のジエン系ゴムである、項1に記載の組成物。
前記ゴム成分は、ブチルゴム、エチレン-プロピレンゴム(EPM)、エチレン-プロピレン-ジエン三元共重合体ゴム(EPDM)、ウレタンゴム(U)、六フッ化プロピレン-フッ化ビニリデン共重合体(FKM)、テトラフルオロエチレン-プロピレン共重合体(FEPM)、テトラフルオロエチレン-パーフルオロビニルエーテル共重合体(FFKM)、メチルシリコーンゴム(MQ)、ビニル・メチルシリコーンゴム(VMQ)、フェニル・メチルシリコーンゴム(PMQ)、アクリルゴム(ACM)、多硫化ゴム(T)、及びエピクロルヒドリンゴム(CO,ECO)から選ばれる少なくとも一種の非ジエン系ゴムである、項1に記載の組成物。
前記R1、前記R3及び前記R4が水素原子であり、前記R2がメチル基である、項1~3の何れかに記載の組成物。
さらに成分(e)発泡助剤を含む、項1~4の何れかに記載の組成物。
項1~5の何れかに記載の組成物を発泡させた高発泡倍率発泡体。
項1~5の何れかに記載の組成部又は請求項6の発泡体を用いて作製されたタイヤ、音響用部材、シール材、ホース、ベルト、電線被覆、又は断熱材。
下記式(1)で表される化合物又はその塩を含む、ゴム用発泡倍率向上剤。
発泡体の発泡倍率を向上させる方法であって、
ゴム成分、化学発泡剤、及び下記式(1)で表される化合物又はその塩を混合する工程を含む方法。
発泡体の製造方法であって、
成分(a)、及び(c)を含む原料成分を混合する工程(A)、並びに
前記工程(A)で得られる混合物、成分(b)、及び(d)を混合する工程(B)を含む、高発泡倍率発泡体の製造方法。
項10に記載の発泡体の発泡倍率指数が103以上である、高発泡倍率発泡体の製造方法。
本発明の高発泡倍率を有する発泡体の製造用ゴム組成物は、下記成分(a)、(b)、(c)及び(d)を含む。
(a)ゴム成分、
(b)化学発泡剤、
(c)下記式(1)で表される化合物又はその塩、
(d)加硫剤及び架橋剤からなる群より選択される少なくとも一種。
成分(a)は、ゴム成分である。かかるゴム成分としては、特に制限はなく、例えば、ジエン系ゴム、非ジエン系ゴム、並びにジエン系ゴムと非ジエン系ゴムとの混合物等が挙げられる。
化学発泡剤としては、特に限定はなく、公知の化学発泡剤を広く使用することが可能である。例えば、アゾジカルボンアミド、N,N´-ジニトロソペンタンメチレンテトラミン、p,p´-オキシビスベンゼンスルホニルヒドラジド、p-トルエンスルホニルヒドラジド、p-トルエンスルホニルセミカルバジド、ジアゾアミノベンゼン、ヒドラゾジカルボンアミド、バリウムアゾジカルボキシレート、アゾビスイソブチロニトリル、クエン酸モノナトリウムなど有機酸及びそれらの金属塩等の有機系化学発泡剤及び、重曹、炭酸水素アンモニウム、炭酸ナトリウム、炭酸アンモニウム、酢酸アルミニウム、亜硝酸アンモニウム、ホウ化水素ナトリウム等の無機系化学発泡剤が挙げられる。
成分(c)は、下記式(1)で表される化合物もしくはその塩(以下、当該化合物及びその塩を総称して、単に「化合物(1)」ともいう。)である。
成分(d)は加硫剤及び架橋剤からなる群より選択される少なくとも一種である。加硫剤、架橋剤をそれぞれ単独で使用しても良いし、加硫剤と架橋剤を一緒に使用しても良い。
本発明の高発泡倍率を有する発泡体の製造用ゴム組成物には、さらに成分(e)として発泡助剤を添加することも好ましい。かかる発泡助剤としては、特に限定されず、従来から発泡助剤として汎用されているものを使用することができる。例えば、尿素、尿素と脂肪酸及び脂肪酸金属塩との混合物、チオウレア、テトラメチルウレア、ジメチルチオウレア、セミカルバジド、カルボヒドラジドなどの尿素化合物、酸化亜鉛、ステアリン酸亜鉛、ベンゼンスルフィン酸亜鉛、トルエンスルホン酸亜鉛、トリフルオロメタンスルホン酸亜鉛、炭酸亜鉛などの亜鉛化合物、二酸化鉛、三塩基性鉛などの鉛化合物等が挙げられる。
本発明の高発泡倍率を有する発泡体の製造用ゴム組成物には、上記成分(a)、(b)、(c)、(d)及び(e)以外にも、ゴム工業界で通常使用される配合剤、例えば、カーボンブラック、無機充填剤、老化防止剤、オゾン防止剤、軟化剤、加工助剤、ワックス、樹脂、オイル、ステアリン酸等の炭素数8~30の脂肪酸、酸化亜鉛(ZnO)、加硫促進剤、加硫遅延剤等を、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。
本発明は、上記の高発泡倍率を有する発泡体の製造用ゴム組成物を発泡させた高発泡倍率発泡体に係る発明を包含する。かかる発泡体には、成形することにより成形体となった態様も含まれる。
式2:発泡倍率指数=(本発明のゴム組成物から製造された発泡体の発泡倍率)×100/(発泡体Xの発泡倍率)
さらに本発明は、上記の高発泡倍率を有する発泡体の製造用ゴム組成物、高発泡倍率発泡体より製造されたタイヤ、音響用部材、シール材、ホース、ベルト、電線被覆、及び断熱材に係る発明を包含する。
本発明はさらに、発泡倍率向上剤(ゴム用発泡倍率向上剤)に関する発明を包含する。本明細書において、発泡倍率向上剤とは、化学発泡剤に作用する(化学発泡剤の分解温度を下げる)ことによる発泡の促進を行う発泡助剤とは異なり、ゴム組成物に作用し、発泡倍率を向上させることができる剤のことであると定義される。
本発明は、発泡体の発泡倍率を向上させる方法に係る発明を包含する。
本発明の高発泡倍率発泡体の製造方法としては、上記成分(a)、(b)、(c)、及び(d)を含む、本発明の高発泡倍率を有する発泡体の製造用ゴム組成物を発泡させる方法が挙げられる。
工程(A)は、上記成分(a)、(b)、及び(c)を含む原料成分を混合する工程(A1)、上記成分(a)、及び(b)を含む原料成分を混合する工程(A2)、又は上記成分(a)、及び(c)を含む原料成分を混合する工程(A3)である。本工程(A)においては、上記成分(a)、及び(c)を含む原料成分を混合する工程(A3)が好ましい。
工程(B)は、工程(A)で得られる混合物と、上記成分(d)とを混合する工程であって、該混合物が工程(A1)で得られた混合物の場合は上記成分(d)を混合する工程であり、該混合物が工程(A2)で得られた混合物の場合は上記成分(c)及び(d)を混合する工程であり、該混合物が工程(A3)で得られた混合物の場合は上記成分(b)及び(d)を混合する工程である。
工程(C)は、工程(B)で得られる混合物を加熱して、加硫(及び/又は架橋)と発泡とを行う工程である。
本発明における高発泡倍率発泡体を用いたタイヤは、特に制限されず、例えば、以下の方法で作製することができる。
下記表1の工程(A)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した。混合物の温度が60℃以下になるまで養生させた後、表1の工程(B)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70℃以下になるよう調整しながら混合した後、160℃に加熱して、高発泡倍率発泡体を製造した。
発泡倍率は電子比重計(ALFA MIRAGE製MDS-300)を用いて発泡成形前後の比重を測定し、発泡倍率を算出した。
発泡成形前の比重/発泡成形後の比重×100
式:発泡倍率指数=
(各実施例1~6の発泡倍率)×100/(比較例1の発泡倍率)
式:発泡倍率指数=
(実施例7の発泡倍率)×100/(比較例2の発泡倍率)
※1:成分(a):ブチルゴム;JSR社製、JSR BUTYL 365
※2:カーボンブラックA;東海カーボン社製、シーストSO(N550)
※3:ワックス;大内新興化学社製、サンノック
※4:ステアリン酸;新日本理化社製、ステアリン酸50S
※5:オイル;出光昭和シェル社製、ダイアナプロセスオイルNR-26
※6:酸化亜鉛;堺化学工業社製、「1種」
※7:成分(c):化合物A;大塚化学社製、3-メチル-5-ピラゾロン
※8:加硫促進剤A;大内新興化学社製、ノクセラーM-P
※9:加硫促進剤B;大内新興化学社製、ノクセラーTT-P
※10:成分(d):硫黄;細井化学工業社製、HK200-5
※11:成分(b):発泡剤A;大塚化学社製、ユニフォームAZ VI-40(アゾジカルボンアミド、メジアン径:3.2±0.7μm)
※12:成分(e):発泡助剤;大塚化学社製、ユニフォームAZ 01
※13:成分(b):発泡剤B;大塚化学社製、ユニフォームAZ P-5(重曹)
下記表2の工程(A)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した。混合物の温度が60℃以下になるまで養生させた後、表2の工程(B)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70℃以下になるよう調整しながら混合した後、160℃に加熱して、高発泡倍率発泡体を製造した。
発泡倍率は電子比重計(ALFA MIRAGE製MDS-300)を用いて発泡成形前後の比重を測定し、発泡倍率を算出した。
発泡成形前の比重/発泡成形後の比重×100
式:発泡倍率指数=
(各実施例8~15の発泡倍率)×100/(比較例3の発泡倍率)
式:発泡倍率指数=
(各実施例16~18の発泡倍率)×100/(比較例4の発泡倍率)
※14:成分(a):天然ゴム;GUANGKEN RUBBER社製、TSR-20
※15:成分(a):ブタジエンゴム;宇部興産社製、UBEPOL BR 150B
※16:シリカ;東ソー社製、ニップシールAQ
※17:カーボンブラックB;東海カーボン社製、シースト7HM(N234)
※18:シランカップリング剤;Evonic Industries社製、Si69
※19:老化防止剤;大内新興化学社製、ノクラック6C
※20:加硫促進剤C;大内新興化学社製、ノクセラーCZ-G
下記表3の工程(A)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した。混合物の温度が60℃以下になるまで養生させた後、表3の工程(B)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70℃以下になるよう調整しながら混合した後、200℃に加熱して、高発泡倍率発泡体を製造した。
発泡倍率は電子比重計(ALFA MIRAGE製MDS-300)を用いて発泡成形前後の比重を測定し、発泡倍率を算出した。
発泡成形前の比重/発泡成形後の比重×100
式:発泡倍率指数=
(実施例19の発泡倍率)×100/(比較例5の発泡倍率)
式:発泡倍率指数=
(各実施例20~21の発泡倍率)×100/(比較例6の発泡倍率)
式:発泡倍率指数=
(実施例22の発泡倍率)×100/(比較例7の発泡倍率)
式:発泡倍率指数=
(実施例23の発泡倍率)×100/(比較例8の発泡倍率)
※21:成分(a):EPDM;住友化学社製、エスプレン505A
※22:カーボンブラックC;旭カーボン社製、#50
※23:軽質炭酸カルシウム;東洋電化工業社製
※24:加硫促進剤D;大内新興化学社製、ノクセラーM
※25:加硫促進剤E;大内新興化学社製、ノクセラーBZ-P
※26:加硫促進剤F;大内新興化学社製、ノクセラーTET-G
※27:加硫促進剤G;大内新興化学社製、ノクセラーTRA
※28:成分(b):発泡剤C;大塚化学社製、ユニフォームAZ 100(p,p‘-オキシビスベンゼンスルホニルヒドラジド)
下記表4の工程(A)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した。混合物の温度が60℃以下になるまで養生させた後、表4の工程(B)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70℃以下になるよう調整しながら混合した後、160℃に加熱して、高発泡倍率発泡体を製造した。
発泡倍率は電子比重計(ALFA MIRAGE製MDS-300)を用いて発泡成形前後の比重を測定し、発泡倍率を算出した。
発泡成形前の比重/発泡成形後の比重×100
式:発泡倍率指数=
(各実施例24~26の発泡倍率)×100/(比較例9の発泡倍率)
式:発泡倍率指数=
(実施例27の発泡倍率)×100/(比較例10の発泡倍率)
※29:成分(b):発泡剤D;三協化学社製、セルマイクA(ジニトロペンタメチレンテトラミン)
下記表5の工程(A)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した。混合物の温度が60℃以下になるまで養生させた後、表5の工程(B)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70℃以下になるよう調整しながら混合した後、200℃に加熱して、高発泡倍率発泡体を製造した。
発泡倍率は、電子比重計(ALFA MIRAGE製MDS-300)を用いて発泡成形前後の比重を測定し、発泡倍率を算出した。
発泡倍率指数=
(実施例28~30の発泡倍率)/(比較例11の発泡倍率)×100
発泡倍率指数=
(実施例31~32の発泡倍率)/(比較例12の発泡倍率)×100
平均セル径は、ASTM D2842-69に準拠して、測定した。
(実施例28~30の平均セル径)/(比較例11の平均セル径)×100
平均セル径指数=
(実施例31~32の平均セル径)/(比較例12の平均セル径)×100
引張強度は、JIS K 6251に準拠して、測定した。
(実施例28~30の引張強度)/(比較例11の引張強度)×100
引張強度指数=
(実施例31~32の引張強度)/(比較例12の引張強度)×100
※30:オイル;出光昭和シェル社製、ダイアナプロセスオイルPW-90
※31:成分(b):発泡剤E;大塚化学社製、ユニフォームAZ ULTRA #3170N-I(アゾジカルボンアミド、メジアン径:15±4μm、表面処理品)
Claims (10)
- 前記ゴム成分は、天然ゴム、スチレン-ブタジエン共重合体ゴム(SBR)、ブタジエンゴム(BR)、イソプレンゴム(IR)、スチレン-イソプレン-ブタジエンゴム(SIBR)、ニトリルゴム(NBR)、クロロプレンゴム(CR)、スチレン-イソプレン-スチレン三元ブロック共重合体(SIS)、及びスチレン-ブタジエン-スチレン三元ブロック共重合体(SBS)から選ばれる少なくとも一種のジエン系ゴムである、請求項1に記載の組成物。
- 前記ゴム成分は、ブチルゴム、エチレン-プロピレンゴム(EPM)、エチレン-プロピレン-ジエン三元共重合体ゴム(EPDM)、ウレタンゴム(U)、六フッ化プロピレン-フッ化ビニリデン共重合体(FKM)、テトラフルオロエチレン-プロピレン共重合体(FEPM)、テトラフルオロエチレン-パーフルオロビニルエーテル共重合体(FFKM)、メチルシリコーンゴム(MQ)、ビニル・メチルシリコーンゴム(VMQ)、フェニル・メチルシリコーンゴム(PMQ)、アクリルゴム(ACM)、多硫化ゴム(T)、及びエピクロルヒドリンゴム(CO,ECO)から選ばれる少なくとも一種の非ジエン系ゴムである、請求項1に記載の組成物。
- 前記R1、前記R3及び前記R4が水素原子であり、前記R2がメチル基である、請求項1~3の何れか1項に記載の組成物。
- さらに成分(e)発泡助剤を含む、請求項1~4の何れか1項に記載の組成物。
- 請求項1~5の何れか1項に記載の組成物を発泡させた高発泡倍率発泡体。
- 請求項1~5の何れか1項に記載の組成物又は請求項6の発泡体を用いて作製されたタイヤ、音響用部材、シール材、ホース、ベルト、電線被覆、又は断熱材。
- 請求項9に記載の発泡体の発泡倍率指数が103以上である、高発泡倍率発泡体の製造方法。
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WO2020045575A1 (ja) | 2018-08-30 | 2020-03-05 | 大塚化学株式会社 | ゴム組成物、ゴム材料、及びそれらの用途、並びに添加剤 |
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WO2020045575A1 (ja) | 2018-08-30 | 2020-03-05 | 大塚化学株式会社 | ゴム組成物、ゴム材料、及びそれらの用途、並びに添加剤 |
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