JP2018150439A - 引裂き強度に優れたゴム組成物 - Google Patents
引裂き強度に優れたゴム組成物 Download PDFInfo
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- JP2018150439A JP2018150439A JP2017046735A JP2017046735A JP2018150439A JP 2018150439 A JP2018150439 A JP 2018150439A JP 2017046735 A JP2017046735 A JP 2017046735A JP 2017046735 A JP2017046735 A JP 2017046735A JP 2018150439 A JP2018150439 A JP 2018150439A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 176
- 239000005060 rubber Substances 0.000 title claims abstract description 176
- 239000000203 mixture Substances 0.000 title claims abstract description 94
- -1 tetrazine compound Chemical class 0.000 claims abstract description 210
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 40
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 239000006229 carbon black Substances 0.000 claims description 37
- 239000011256 inorganic filler Substances 0.000 claims description 28
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 28
- 125000001424 substituent group Chemical group 0.000 claims description 13
- 238000002955 isolation Methods 0.000 claims description 6
- 241000872198 Serjania polyphylla Species 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 17
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract 1
- 229920003244 diene elastomer Polymers 0.000 description 25
- 239000002174 Styrene-butadiene Substances 0.000 description 23
- 150000004905 tetrazines Chemical class 0.000 description 20
- 229920000642 polymer Polymers 0.000 description 19
- 125000004432 carbon atom Chemical group C* 0.000 description 17
- 238000004898 kneading Methods 0.000 description 17
- 244000043261 Hevea brasiliensis Species 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 15
- 229920003052 natural elastomer Polymers 0.000 description 15
- 229920001194 natural rubber Polymers 0.000 description 15
- 229920000459 Nitrile rubber Polymers 0.000 description 13
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- 238000013329 compounding Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 9
- 239000013078 crystal Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
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- 125000003545 alkoxy group Chemical group 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
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- 238000000034 method Methods 0.000 description 7
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- 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 5
- 125000004414 alkyl thio group Chemical group 0.000 description 5
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- 125000005843 halogen group Chemical group 0.000 description 5
- 238000004073 vulcanization Methods 0.000 description 5
- 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
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000005062 Polybutadiene Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
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- 239000011593 sulfur Substances 0.000 description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 235000014692 zinc oxide Nutrition 0.000 description 4
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- 125000001399 1,2,3-triazolyl group Chemical group N1N=NC(=C1)* 0.000 description 3
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- 125000003368 amide group Chemical group 0.000 description 3
- 125000004103 aminoalkyl group Chemical group 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 125000004181 carboxyalkyl group Chemical group 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
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- 229920003049 isoprene rubber Polymers 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
- 125000004076 pyridyl group Chemical group 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
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- 125000004502 1,2,3-oxadiazolyl group Chemical group 0.000 description 2
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- 125000004504 1,2,4-oxadiazolyl group Chemical group 0.000 description 2
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[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
- MQSMIIJCRWDMDL-UHFFFAOYSA-N 3,6-dipyridin-4-yl-1,2,4,5-tetrazine Chemical compound C1=NC=CC(C=2N=NC(=NN=2)C=2C=CN=CC=2)=C1 MQSMIIJCRWDMDL-UHFFFAOYSA-N 0.000 description 2
- 125000005917 3-methylpentyl group Chemical group 0.000 description 2
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 239000006237 Intermediate SAF Substances 0.000 description 2
- PMKBLBDMQOYLGP-UHFFFAOYSA-N N1NN=CC=N1 Chemical compound N1NN=CC=N1 PMKBLBDMQOYLGP-UHFFFAOYSA-N 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 125000004423 acyloxy group Chemical group 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000005110 aryl thio group Chemical group 0.000 description 2
- 125000004104 aryloxy group Chemical group 0.000 description 2
- 238000006208 aza-Diels-Alder reaction Methods 0.000 description 2
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- 229910000019 calcium carbonate Inorganic materials 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
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- PPQREHKVAOVYBT-UHFFFAOYSA-H dialuminum;tricarbonate Chemical compound [Al+3].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O PPQREHKVAOVYBT-UHFFFAOYSA-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
- 239000012153 distilled water Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 125000002541 furyl group Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
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- 150000002484 inorganic compounds Chemical group 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
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- 239000011777 magnesium Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- CLNYHERYALISIR-UHFFFAOYSA-N nona-1,3-diene Chemical compound CCCCCC=CC=C CLNYHERYALISIR-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 125000005412 pyrazyl group Chemical group 0.000 description 2
- 125000000714 pyrimidinyl group Chemical group 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
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- 125000001544 thienyl group Chemical group 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- 125000004506 1,2,5-oxadiazolyl group Chemical group 0.000 description 1
- UDGKZGLPXCRRAM-UHFFFAOYSA-N 1,2,5-thiadiazole Chemical group C=1C=NSN=1 UDGKZGLPXCRRAM-UHFFFAOYSA-N 0.000 description 1
- 125000001781 1,3,4-oxadiazolyl group Chemical group 0.000 description 1
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- 125000004899 1-ethylpropylamino group Chemical group C(C)C(CC)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
- 125000001462 1-pyrrolyl group Chemical group [*]N1C([H])=C([H])C([H])=C1[H] 0.000 description 1
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- LOVYCUYJRWLTSU-UHFFFAOYSA-N 2-(3,4-dichlorophenoxy)-n,n-diethylethanamine Chemical compound CCN(CC)CCOC1=CC=C(Cl)C(Cl)=C1 LOVYCUYJRWLTSU-UHFFFAOYSA-N 0.000 description 1
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- 125000004410 cyclooctyloxy group Chemical group C1(CCCCCCC1)O* 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001887 cyclopentyloxy group Chemical group C1(CCCC1)O* 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 125000000131 cyclopropyloxy group Chemical group C1(CC1)O* 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 125000004663 dialkyl amino group Chemical group 0.000 description 1
- IQDXNHZDRQHKEF-UHFFFAOYSA-N dialuminum;dicalcium;dioxido(oxo)silane Chemical compound [Al+3].[Al+3].[Ca+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O IQDXNHZDRQHKEF-UHFFFAOYSA-N 0.000 description 1
- UAMZXLIURMNTHD-UHFFFAOYSA-N dialuminum;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mg+2].[Al+3].[Al+3] UAMZXLIURMNTHD-UHFFFAOYSA-N 0.000 description 1
- 229910001648 diaspore Inorganic materials 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004639 dihydroindenyl group Chemical group C1(CCC2=CC=CC=C12)* 0.000 description 1
- FSBVERYRVPGNGG-UHFFFAOYSA-N dimagnesium dioxido-bis[[oxido(oxo)silyl]oxy]silane hydrate Chemical compound O.[Mg+2].[Mg+2].[O-][Si](=O)O[Si]([O-])([O-])O[Si]([O-])=O FSBVERYRVPGNGG-UHFFFAOYSA-N 0.000 description 1
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000000031 ethylamino group Chemical group [H]C([H])([H])C([H])([H])N([H])[*] 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- HKIOYBQGHSTUDB-UHFFFAOYSA-N folpet Chemical group C1=CC=C2C(=O)N(SC(Cl)(Cl)Cl)C(=O)C2=C1 HKIOYBQGHSTUDB-UHFFFAOYSA-N 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229920000588 gutta-percha Polymers 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 125000006316 iso-butyl amino group Chemical group [H]N(*)C([H])([H])C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- RLAWWYSOJDYHDC-BZSNNMDCSA-N lisinopril Chemical compound C([C@H](N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(O)=O)C(O)=O)CC1=CC=CC=C1 RLAWWYSOJDYHDC-BZSNNMDCSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-M methanesulfonate group Chemical class CS(=O)(=O)[O-] AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000002004 n-butylamino group Chemical group [H]N(*)C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001298 n-hexoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000003935 n-pentoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 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
- CAXJFBOSFXRPOJ-UHFFFAOYSA-N n-phenyl-n-(trichloromethylsulfanyl)benzenesulfonamide Chemical compound C=1C=CC=CC=1S(=O)(=O)N(SC(Cl)(Cl)Cl)C1=CC=CC=C1 CAXJFBOSFXRPOJ-UHFFFAOYSA-N 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004888 n-propyl amino group Chemical group [H]N(*)C([H])([H])C([H])([H])C([H])([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
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000005029 naphthylthio group Chemical group C1(=CC=CC2=CC=CC=C12)S* 0.000 description 1
- 229920006173 natural rubber latex Polymers 0.000 description 1
- 125000005484 neopentoxy group Chemical group 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
- 125000002560 nitrile group Chemical group 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052625 palygorskite Inorganic materials 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
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004307 pyrazin-2-yl group Chemical group [H]C1=C([H])N=C(*)C([H])=N1 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- SEEPANYCNGTZFQ-UHFFFAOYSA-N sulfadiazine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CC=N1 SEEPANYCNGTZFQ-UHFFFAOYSA-N 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920006027 ternary co-polymer Polymers 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
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical group CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 1
- 125000001391 thioamide group Chemical group 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-O triethylammonium ion Chemical compound CC[NH+](CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-O 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000010457 zeolite Substances 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
- 239000004711 α-olefin Substances 0.000 description 1
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Abstract
Description
項1.
ゴム成分、下記一般式(1):
で表されるテトラジン化合物又はその塩を含有するゴム組成物であって、
前記ゴム成分100質量部中にスチレンブタジエン共重合体ゴムが30質量部以上含まれ、該スチレンブタジエン共重合体ゴムが、溶液重合スチレンブタジエン共重合体ゴムと乳化重合スチレンブタジエン共重合体ゴムとを10〜90:90〜10の質量比で混合したものである、ゴム組成物。
項2.
さらに無機充填材及び/又はカーボンブラックを含有し、ゴム成分100質量部に対して無機充填材及び/又はカーボンブラックを10〜120質量部、及び前記テトラジン化合物又はその塩を0.1〜10質量部含む、項1に記載のゴム組成物。
項3.
項1又は2に記載のゴム組成物を用いて作製されたタイヤ。
項4.
項1又は2に記載のゴム組成物を用いて作製された防振ゴム。
項5.
項1又は2に記載のゴム組成物を用いて作製された免震ゴム。
項6.
項1又は2に記載のゴム組成物を用いて作製されたベルト。
本発明のゴム組成物は、ゴム成分、及び下記一般式(1)で表されるテトラジン化合物又はその塩(以下、「テトラジン化合物(1)」ということもある。)を含んでいる。
一般式(1):
本発明のゴム組成物に配合されるゴム成分としては、特に制限はなく、例えば、天然ゴム(NR)、合成ジエン系ゴム、及び天然ゴムと合成ジエン系ゴムとの混合物、並びにこれら以外の非ジエン系ゴムが挙げられる。
本発明のゴム組成物には、下記一般式(1)で表されるテトラジン化合物又はその塩が配合される。
一般式(1):
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−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(2−チエニル)−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。
無機充填材としては、ゴム工業界において、通常使用される無機化合物である限り、特に制限はない。使用できる無機化合物としては、例えば、シリカ;γ−アルミナ、α−アルミナ等のアルミナ(Al2O3);ベーマイト、ダイアスポア等のアルミナ一水和物(Al2O3・H2O);ギブサイト、バイヤライト等の水酸化アルミニウム[Al(OH)3];炭酸アルミニウム[Al2(CO3)2]、水酸化マグネシウム[Mg(OH)2]、酸化マグネシウム(MgO)、炭酸マグネシウム(MgCO3)、タルク(3MgO・4SiO2・H2O)、アタパルジャイト(5MgO・8SiO2・9H2O)、チタン白(TiO2)、チタン黒(TiO2n−1)、酸化カルシウム(CaO)、水酸化カルシウム[Ca(OH)2]、酸化アルミニウムマグネシウム(MgO・Al2O3)、クレー(Al2O3・2SiO2)、カオリン(Al2O3・2SiO2・2H2O)、パイロフィライト(Al2O3・4SiO2・H2O)、ベントナイト(Al2O3・4SiO2・2H2O)、ケイ酸アルミニウム(Al2SiO5、Al4・3SiO4・5H2O等)、ケイ酸マグネシウム(Mg2SiO4、MgSiO3等)、ケイ酸カルシウム(Ca2・SiO4等)、ケイ酸アルミニウムカルシウム(Al2O3・CaO・2SiO2等)、ケイ酸マグネシウムカルシウム(CaMgSiO4)、炭酸カルシウム(CaCO3)、酸化亜鉛(ZnO)、硫酸バリウム(BaSO4)、酸化ジルコニウム(ZrO2)、水酸化ジルコニウム[ZrO(OH)2・nH2O]、炭酸ジルコニウム[Zr(CO3)2]、各種ゼオライトのように電荷を補正する水素、アルカリ金属又はアルカリ土類金属を含む結晶性アルミノケイ酸塩等が挙げられる。これらの無機充填材は、ゴム成分との親和性を向上させるために、該無機充填材の表面が有機処理されていてもよい。
カーボンブラックとしては、特に制限はなく、例えば、市販品のカーボンブラック、Carbon-Silica Dual phase filler等が挙げられる。ゴム成分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。
本発明のゴム組成物には、上記テトラジン化合物(1)、無機充填材及び/又はカーボンブラック以外にも、ゴム工業界で通常使用される配合剤、例えば、硫黄等の加硫剤を配合することができる。本発明のゴム組成物には、さらに、別の配合剤、例えば、老化防止剤、ステアリン酸等の滑剤、軟化剤、加工助剤、ワックス、樹脂、発泡剤、オイル、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、市販品を使用することができる。
本発明のゴム組成物の製造方法としては、特に制限されず、従来より公知の方法により製造することができ、例えば、ゴム成分、テトラジン化合物(1)、並びに、必要に応じて無機充填材及び/又はカーボンブラックを含む原料成分を混練する工程(I)、並びに工程(I)で得られる混合物、及び加硫剤を混練する工程(II)を含む方法が挙げられる。
工程(I)は、ゴム成分、テトラジン化合物(1)、必要に応じて無機充填材及び/又はカーボンブラックを含む原料成分を混練する工程である。
工程(II)は、工程(I)で得られる混合物、及び加硫剤を混合する工程であり、混練の最終段階を意味している。
このようにして得られたゴム組成物は、タイヤ用、防振ゴム用、免震ゴム用、コンベアベルト等のベルト用等の各種ゴム部材に用いることができる。
200mL四つ口フラスコに、3−シアノピリジン24g(0.23モル)、水加ヒドラジン15g(1.3当量)、及びメタノール48mLを加え、室温で撹拌した。次いで、この混合物に、硫黄3.6g(15重量%)を加え、還流管を装着して外温70℃にて一晩加熱撹拌した。この反応液を氷冷し、結晶を濾過して少量の冷メタノールで洗浄した。粗結晶を減圧下乾燥し、橙色のジヒドロテトラジン粗結晶19gを得た。
融点:200℃、
1H−NMR(300MHz,CDCl3,δppm):
7.59(ddd,J =0.9,5.1,7.8 Hz,2H),8.89−8.96(m,4H),9.88(dd,J =0.9,2.4Hz,2H)
下記表1及び2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及び2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、ゴム組成物を製造した。
上記実施例1〜10及び比較例1〜2で得られたゴム組成物の各引裂強度指数は、JIS K6252によりクレセント型試験片を用いて、室温下、引張速度500mm/minの条件で測定した。ここで得られた比較例の値を100とした指数で表し、数値が高いほど引裂き強度が優れていることを示す。
表1及び2において使用する原料を以下に示す。
*1: 溶液重合SBR、JSR株式会社製、品種「SL552」
*2: 乳化重合SBR、JSR株式会社製、品種「SBR1502」
*3: Sinopec Qilu Petrochemical Co., Ltd.製、商品名「BR9000」
*4: GUANGKEN RUBBER社製、商品名「TSR20」
*5: Quechen Silicon Chemical Co., Ltd.製、商品名「HD165MP」
*6: Evonik Industries AG製、商品名「Si69」
*7: Cabot社製、商品名「N234」
*8: Kemai Chemical Co., Ltd.製、商品名「6−PPD」
*9: Dalian Zinc Oxide Co., Ltd.製
*10: Sichuan Tianyu Grease Chemical Co., Ltd.製
*11: Hansen & Rosenthal社製、商品名「Vivatec 500」
*12: Shanghai Jinghai Chemical Co.,Ltd.製
*13: Kemai Chemical Co., Ltd.製、商品名「DPG」
*14: Kemai Chemical Co., Ltd.製、商品名「CBS」
*15: 3,6−ビス(3−ピリジル)−1,2,4,5−テトラジン(製造例1で製造した化合物)
*16: 3,6−ビス(2−ピリジル)−1,2,4,5−テトラジン、東京化成工業株式会社製
*17: 3,6−ビス(4−ピリジル)−1,2,4,5−テトラジン、東京化成工業株式会社製
Claims (6)
- さらに無機充填材及び/又はカーボンブラックを含有し、ゴム成分100質量部に対して無機充填材及び/又はカーボンブラックを10〜120質量部、及び前記テトラジン化合物又はその塩を0.1〜10質量部含む、請求項1に記載のゴム組成物。
- 請求項1又は2に記載のゴム組成物を用いて作製されたタイヤ。
- 請求項1又は2に記載のゴム組成物を用いて作製された防振ゴム。
- 請求項1又は2に記載のゴム組成物を用いて作製された免震ゴム。
- 請求項1又は2に記載のゴム組成物を用いて作製されたベルト。
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WO2021172487A1 (ja) * | 2020-02-28 | 2021-09-02 | 大塚化学株式会社 | ゴム組成物、タイヤ及びゴム用添加剤 |
WO2022049962A1 (ja) * | 2020-09-04 | 2022-03-10 | 株式会社ブリヂストン | 錯化ポリマーの配位結合を解く方法 |
WO2022049961A1 (ja) * | 2020-09-04 | 2022-03-10 | 株式会社ブリヂストン | 錯化ポリマー、ゴム組成物、ゴム組成物の製造方法、及びゴム製品 |
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WO2022049961A1 (ja) * | 2020-09-04 | 2022-03-10 | 株式会社ブリヂストン | 錯化ポリマー、ゴム組成物、ゴム組成物の製造方法、及びゴム製品 |
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