JP6219205B2 - ゴム組成物の製造方法 - Google Patents
ゴム組成物の製造方法 Download PDFInfo
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- JP6219205B2 JP6219205B2 JP2014053750A JP2014053750A JP6219205B2 JP 6219205 B2 JP6219205 B2 JP 6219205B2 JP 2014053750 A JP2014053750 A JP 2014053750A JP 2014053750 A JP2014053750 A JP 2014053750A JP 6219205 B2 JP6219205 B2 JP 6219205B2
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- imidazole
- silica
- rubber
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- mass
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229920001971 elastomer Polymers 0.000 title claims description 30
- 239000005060 rubber Substances 0.000 title claims description 30
- 239000000203 mixture Substances 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 78
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 62
- 238000002156 mixing Methods 0.000 claims description 50
- 239000000377 silicon dioxide Substances 0.000 claims description 30
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 15
- 229920003244 diene elastomer Polymers 0.000 claims description 15
- 230000002209 hydrophobic effect Effects 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 14
- 239000011593 sulfur Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 238000004073 vulcanization Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 125000002883 imidazolyl group Chemical group 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 229920006395 saturated elastomer Chemical group 0.000 claims description 4
- 229930195734 saturated hydrocarbon Chemical group 0.000 claims description 4
- 229930195735 unsaturated hydrocarbon Chemical group 0.000 claims description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 24
- 235000014692 zinc oxide Nutrition 0.000 description 24
- 239000011787 zinc oxide Substances 0.000 description 23
- 238000005096 rolling process Methods 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- -1 imidazole compound Chemical class 0.000 description 14
- 238000013329 compounding Methods 0.000 description 9
- 125000001424 substituent group Chemical group 0.000 description 9
- 150000002430 hydrocarbons Chemical group 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000006229 carbon black Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000004898 kneading Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 150000002460 imidazoles Chemical class 0.000 description 5
- 229920003049 isoprene rubber Polymers 0.000 description 5
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 4
- YTWBFUCJVWKCCK-UHFFFAOYSA-N 2-heptadecyl-1h-imidazole Chemical compound CCCCCCCCCCCCCCCCCC1=NC=CN1 YTWBFUCJVWKCCK-UHFFFAOYSA-N 0.000 description 4
- 239000005062 Polybutadiene Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000003712 anti-aging effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- OPNUROKCUBTKLF-UHFFFAOYSA-N 1,2-bis(2-methylphenyl)guanidine Chemical compound CC1=CC=CC=C1N\C(N)=N\C1=CC=CC=C1C OPNUROKCUBTKLF-UHFFFAOYSA-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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241001441571 Hiodontidae Species 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 2
- PGAXJQVAHDTGBB-UHFFFAOYSA-N dibutylcarbamothioylsulfanyl n,n-dibutylcarbamodithioate Chemical compound CCCCN(CCCC)C(=S)SSC(=S)N(CCCC)CCCC PGAXJQVAHDTGBB-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 125000001165 hydrophobic group Chemical group 0.000 description 2
- GQWNEBHACPGBIG-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-2-[2-(1,3-benzothiazol-2-ylsulfanylamino)ethoxy]ethanamine Chemical compound C1=CC=C2SC(SNCCOCCNSC=3SC4=CC=CC=C4N=3)=NC2=C1 GQWNEBHACPGBIG-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 2
- 229960002447 thiram Drugs 0.000 description 2
- 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 2
- JAEZSIYNWDWMMN-UHFFFAOYSA-N 1,1,3-trimethylthiourea Chemical compound CNC(=S)N(C)C JAEZSIYNWDWMMN-UHFFFAOYSA-N 0.000 description 1
- LEHNQGSPRXHYRT-UHFFFAOYSA-N 2-dodecyl-1h-imidazole Chemical compound CCCCCCCCCCCCC1=NC=CN1 LEHNQGSPRXHYRT-UHFFFAOYSA-N 0.000 description 1
- UANAUSCAUXQBJK-UHFFFAOYSA-N 2-hexadecyl-1h-imidazole Chemical compound CCCCCCCCCCCCCCCCC1=NC=CN1 UANAUSCAUXQBJK-UHFFFAOYSA-N 0.000 description 1
- VAYWVDWGCIGJSW-UHFFFAOYSA-N 2-icosyl-1h-imidazole Chemical compound CCCCCCCCCCCCCCCCCCCCC1=NC=CN1 VAYWVDWGCIGJSW-UHFFFAOYSA-N 0.000 description 1
- ROGIWVXWXZRRMZ-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1 ROGIWVXWXZRRMZ-UHFFFAOYSA-N 0.000 description 1
- BJKIKGYQBXCUGV-UHFFFAOYSA-N 2-nonadecyl-1h-imidazole Chemical compound CCCCCCCCCCCCCCCCCCCC1=NC=CN1 BJKIKGYQBXCUGV-UHFFFAOYSA-N 0.000 description 1
- QCQBUZVEQZFGQV-UHFFFAOYSA-N 2-octadecyl-1h-imidazole Chemical compound CCCCCCCCCCCCCCCCCCC1=NC=CN1 QCQBUZVEQZFGQV-UHFFFAOYSA-N 0.000 description 1
- SDQCONAKTCBAMG-UHFFFAOYSA-N 2-pentadecyl-1h-imidazole Chemical compound CCCCCCCCCCCCCCCC1=NC=CN1 SDQCONAKTCBAMG-UHFFFAOYSA-N 0.000 description 1
- ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 2-phenyl-1h-imidazole Chemical compound C1=CNC(C=2C=CC=CC=2)=N1 ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 0.000 description 1
- PNIWRYYJOIOTOY-UHFFFAOYSA-N 2-tetradecyl-1h-imidazole Chemical compound CCCCCCCCCCCCCCC1=NC=CN1 PNIWRYYJOIOTOY-UHFFFAOYSA-N 0.000 description 1
- VCWPWZZLRFHCLR-UHFFFAOYSA-N 2-tridecyl-1h-imidazole Chemical compound CCCCCCCCCCCCCC1=NC=CN1 VCWPWZZLRFHCLR-UHFFFAOYSA-N 0.000 description 1
- DVNPFNZTPMWRAX-UHFFFAOYSA-N 2-triethoxysilylethanethiol Chemical compound CCO[Si](CCS)(OCC)OCC DVNPFNZTPMWRAX-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
- DQMRXALBJIVORP-UHFFFAOYSA-N 3-[methoxy(dimethyl)silyl]propane-1-thiol Chemical compound CO[Si](C)(C)CCCS DQMRXALBJIVORP-UHFFFAOYSA-N 0.000 description 1
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 description 1
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- 239000006237 Intermediate SAF Substances 0.000 description 1
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012658 bimolecular nucleophilic substitution Methods 0.000 description 1
- VLLYOYVKQDKAHN-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene Chemical compound C=CC=C.CC(=C)C=C VLLYOYVKQDKAHN-UHFFFAOYSA-N 0.000 description 1
- RTACIUYXLGWTAE-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene;styrene Chemical compound C=CC=C.CC(=C)C=C.C=CC1=CC=CC=C1 RTACIUYXLGWTAE-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IUJLOAKJZQBENM-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine Chemical compound C1=CC=C2SC(SNC(C)(C)C)=NC2=C1 IUJLOAKJZQBENM-UHFFFAOYSA-N 0.000 description 1
- ILSQBBRAYMWZLQ-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-propan-2-ylpropan-2-amine Chemical compound C1=CC=C2SC(SN(C(C)C)C(C)C)=NC2=C1 ILSQBBRAYMWZLQ-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- 150000004756 silanes Chemical class 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- TXDNPSYEJHXKMK-UHFFFAOYSA-N sulfanylsilane Chemical class S[SiH3] TXDNPSYEJHXKMK-UHFFFAOYSA-N 0.000 description 1
- 238000010059 sulfur vulcanization Methods 0.000 description 1
- 229940052367 sulfur,colloidal Drugs 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000007970 thio esters Chemical group 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 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
- 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 1
- PTRSAJDNBVXVMV-UHFFFAOYSA-N triethoxy-[4-(4-triethoxysilylbutyldisulfanyl)butyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCCSSCCCC[Si](OCC)(OCC)OCC PTRSAJDNBVXVMV-UHFFFAOYSA-N 0.000 description 1
- JQBSHJQOBJRYIX-UHFFFAOYSA-N trimethoxy-[2-(2-trimethoxysilylethyldisulfanyl)ethyl]silane Chemical compound CO[Si](OC)(OC)CCSSCC[Si](OC)(OC)OC JQBSHJQOBJRYIX-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl 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])[H] 0.000 description 1
- 239000011240 wet gel Substances 0.000 description 1
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- Tires In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
・BR:宇部興産(株)製「BR150B」
・シリカ:東ソー・シリカ(株)製「ニップシールAQ」(BET=205m2/g)
・シランカップリング剤:ビス(3−トリエトキシシリルプロピル)ジスルフィド、エボニック・デグサ社製「Si75」
・カーボンブラック:N339、東海カーボン(株)製「シーストKH」(N2SA=93m2/g)
・オイル:JX日鉱日石エネルギー株式会社製「プロセスN140」
・ワックス:日本精蝋(株)製「OZOACE0355」
・ステアリン酸:花王(株)製「ルナックS−20」
・イミダゾール:東京化成工業(株)製
・2−メチルイミダゾール:和光純薬工業(株)製
・2−ウンデシルイミダゾール:和光純薬工業(株)製
・2−ヘプタデシルイミダゾール:和光純薬工業(株)製
・2−フェニルイミダゾール:和光純薬工業(株)製
・亜鉛華:三井金属鉱業(株)製「亜鉛華1号」
・老化防止剤:大内新興化学工業(株)製「ノクラック6C」
・硫黄:鶴見化学工業(株)製「粉末硫黄」
・加硫促進剤CZ:N−シクロヘキシル−2−ベンゾチアゾリルスルフェンアミド、住友化学(株)製「ソクシノールCZ」
・加硫促進剤D:1,3−ジフェニルグアニジン、大内新興化学工業(株)製「ノクセラーD」
Claims (4)
- ジエン系ゴム100質量部に対して、シリカ20〜120質量部と、シリカ配合量の2〜20質量%のシランカップリング剤と、炭素数12以上の飽和又は不飽和の炭化水素基がイミダゾール環の2位に結合した疎水性イミダゾール0.2〜3質量部と、亜鉛華を混合する第1混合工程と、
前記第1混合工程で得られた混合物に、硫黄及び加硫促進剤を添加し混合する第2混合工程と、
を含むゴム組成物の製造方法。 - 前記第1混合工程において、更にステアリン酸を混合する請求項1記載のゴム組成物の製造方法。
- 前記疎水性イミダゾールが、炭素数15〜19のアルキル基がイミダゾール環の2位に結合した2−アルキルイミダゾールである請求項1又は2記載のゴム組成物の製造方法。
- タイヤ用ゴム組成物の製造方法である請求項1〜3のいずれか1項に記載の方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2014053750A JP6219205B2 (ja) | 2014-03-17 | 2014-03-17 | ゴム組成物の製造方法 |
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Application Number | Priority Date | Filing Date | Title |
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JP2014053750A JP6219205B2 (ja) | 2014-03-17 | 2014-03-17 | ゴム組成物の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2015174957A JP2015174957A (ja) | 2015-10-05 |
JP6219205B2 true JP6219205B2 (ja) | 2017-10-25 |
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JP2014053750A Expired - Fee Related JP6219205B2 (ja) | 2014-03-17 | 2014-03-17 | ゴム組成物の製造方法 |
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JP (1) | JP6219205B2 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2009135631A (ru) * | 2007-03-27 | 2011-03-27 | Бриджстоун Корпорейшн (Jp) | Способ получения резиновой смеси для беговой дорожки протектора |
JP5086386B2 (ja) * | 2009-11-06 | 2012-11-28 | 住友ゴム工業株式会社 | 高減衰組成物 |
JP5614308B2 (ja) * | 2011-01-28 | 2014-10-29 | 横浜ゴム株式会社 | タイヤ用ゴム組成物の製造方法 |
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- 2014-03-17 JP JP2014053750A patent/JP6219205B2/ja not_active Expired - Fee Related
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