JP2014051614A - トレッド用ゴム組成物及び空気入りタイヤ - Google Patents
トレッド用ゴム組成物及び空気入りタイヤ Download PDFInfo
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- JP2014051614A JP2014051614A JP2012197498A JP2012197498A JP2014051614A JP 2014051614 A JP2014051614 A JP 2014051614A JP 2012197498 A JP2012197498 A JP 2012197498A JP 2012197498 A JP2012197498 A JP 2012197498A JP 2014051614 A JP2014051614 A JP 2014051614A
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- rubber
- rubber composition
- conjugated diene
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 66
- 239000005060 rubber Substances 0.000 title claims abstract description 66
- 239000000203 mixture Substances 0.000 title claims abstract description 39
- 229920000642 polymer Polymers 0.000 claims abstract description 51
- 150000001993 dienes Chemical class 0.000 claims abstract description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000011347 resin Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 27
- 239000000178 monomer Substances 0.000 claims abstract description 22
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 21
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 20
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 20
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 8
- 150000007514 bases Chemical class 0.000 claims abstract description 5
- 238000009826 distribution Methods 0.000 claims description 6
- 230000000379 polymerizing effect Effects 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 abstract description 15
- VYGUBTIWNBFFMQ-UHFFFAOYSA-N [N+](#[C-])N1C(=O)NC=2NC(=O)NC2C1=O Chemical compound [N+](#[C-])N1C(=O)NC=2NC(=O)NC2C1=O VYGUBTIWNBFFMQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 26
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 20
- 238000004073 vulcanization Methods 0.000 description 20
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- 235000019241 carbon black Nutrition 0.000 description 14
- 238000000034 method Methods 0.000 description 14
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- 238000004519 manufacturing process Methods 0.000 description 9
- 239000011593 sulfur Substances 0.000 description 9
- 229910052717 sulfur Inorganic materials 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 8
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 8
- 239000005062 Polybutadiene Substances 0.000 description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
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- 229920002857 polybutadiene Polymers 0.000 description 8
- 244000043261 Hevea brasiliensis Species 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
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- 239000000126 substance Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- -1 alicyclic hydrocarbons Chemical class 0.000 description 6
- 238000004898 kneading Methods 0.000 description 6
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- 239000003921 oil Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
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- 239000000047 product Substances 0.000 description 5
- OUPZKGBUJRBPGC-UHFFFAOYSA-N 1,3,5-tris(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound O=C1N(CC2OC2)C(=O)N(CC2OC2)C(=O)N1CC1CO1 OUPZKGBUJRBPGC-UHFFFAOYSA-N 0.000 description 4
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 4
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 4
- 125000002897 diene group Chemical group 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000012744 reinforcing agent Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
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- 230000000694 effects Effects 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 3
- 239000004636 vulcanized rubber Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-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
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- KPAPHODVWOVUJL-UHFFFAOYSA-N 1-benzofuran;1h-indene Chemical compound C1=CC=C2CC=CC2=C1.C1=CC=C2OC=CC2=C1 KPAPHODVWOVUJL-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 2
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- RYPKRALMXUUNKS-UHFFFAOYSA-N 2-Hexene Natural products CCCC=CC RYPKRALMXUUNKS-UHFFFAOYSA-N 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-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
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
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- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
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- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
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Abstract
【解決手段】ゴム成分、シリカ及び軟化点が60〜120℃のレジンを含有し、前記ゴム成分100質量%中、炭化水素溶媒中において、ルイス塩基性化合物と共存下で、共役ジエンモノマー又は共役ジエンモノマーと芳香族ビニルモノマーとをアルカリ金属系触媒を用いて重合させることにより得られるアルカリ金属末端を有する活性共役ジエン系重合体に対して、イソシアヌル酸トリグリシジルに代表される化合物を反応させた変性ジエン系重合体ゴムの含有量が5質量%以上であり、前記ゴム成分100質量部に対する前記シリカの含有量が5〜150質量部、前記レジンの含有量が1〜30質量部であるトレッド用ゴム組成物に関する。
【選択図】なし
Description
(式中、l〜nは、独立に、1〜8の整数を表す。)
(式中、l〜nは、独立に、1〜8の整数を表す。)
なお、本明細書において、軟化点とは、JIS K 6220−1:2001に規定される軟化点を環球式軟化点測定装置で測定し、球が降下した温度である。
内容積20リットルのステンレス製重合反応機を洗浄、乾燥し、乾燥窒素で置換した後に1,3−ブタジエン1404g、スチレン396g、テトラヒドロフラン328g、ヘキサン10.2kg、n−ブチルリチウム(n−ヘキサン溶液15.0mmol)を添加し、攪拌下に65℃で3時間重合を行った。重合完了後、イソシアヌル酸トリグリシジルを7.5mmol(2.23g)添加した。攪拌下に65℃で30分間反応させた後、10mlのメタノールを加えて、更に5分間攪拌した。その後、重合反応容器の内容物を取り出し、10gの2,6−ジ−t−フチル−p−クレゾール(住友化学製のスミライザーBHT:以下同様)を加え、ヘキサンの大部分を蒸発させた後、55℃で12時間減圧乾燥し、重合体1を得た。
内容積20リットルのステンレス製重合反応機を洗浄、乾燥し、乾燥窒素で置換した後に1,3−ブタジエン1404g、スチレン396g、テトラヒドロフラン328g、ヘキサン10.2kg、n−ブチルリチウム(n−ヘキサン溶液8.5mmol)を添加し、攪拌下に65℃で3時間重合を行った。重合完了後、四塩化珪素を0.16mmol(0.027g)を添加し、攪拌下に65℃で15分間反応させた。更に、イソシアヌル酸トリグリシジルに変えて、N,N−ジメチルアミノプロピルアクリルアミドを7.65mmol(1.19g)添加し、攪拌下に65℃で30分間反応させた後、10mlのメタノールを加えて、更に5分間攪拌した。その後、重合反応容器の内容物を取り出し、10gの2,6−ジ−t−フチル−p−クレゾール(住友化学製のスミライザーBHT:以下同様)を加え、ヘキサンの大部分を蒸発させた後、55℃で12時間減圧乾燥し、重合体2を得た。
n−ブチルリチウムのn−ヘキサン溶液を8.7mmolに変更したこと、四塩化珪素を0.17mmol(0.029g)に変更したこと及び、イソシアヌル酸トリグリシジル、N,N−ジメチルアミノプロピルアクリルアミドを添加しなかったこと以外、重合体製造例2と同じに行い、重合体3を得た。
JIS K6300(1994)に従って、100℃にて重合体のムーニー粘度を測定した。
赤外分光分析法により、ビニル基の吸収ピークである910cm−1付近の吸収強度より重合体のビニル結合量を求めた。
JIS K6383(1995)に従って、屈折率から重合体のスチレン単位の含量を求めた。
下記の条件(i)〜(viii)でゲル・パーミエイション・クロマトグラフ(GPC)法により、重量平均分子量(Mw)と数平均分子量(Mn)を測定し、重合体の分子量分布(Mw/Mn)を求めた。
(i)装置:東ソー社製HLC−8220
(ii)分離カラム:東ソー社製HM−H(2本直列)
(iii)測定温度:40℃
(iv)キャリア:テトラヒドロフラン
(v)流量:0.6mL/分
(vi)注入量:5μL
(vii)検出器:示差屈折
(viii)分子量標準:標準ポリスチレン
天然ゴム(NR):RSS#3
ブタジエンゴム(BR):宇部興産(株)製のウベポールBR150B
重合体1〜3:上記製造例1〜3で得た重合体
カーボンブラック:三菱化学(株)製のダイアブラックN220(N2SA:111m2/g、DBP吸収量:115ml/100g)
シリカ:デグッサ社製のウルトラシルVN3(N2SA:175m2/g)
シランカップリング剤:デグッサ社製のSi69(ビス(3−トリエトキシシリルプロピル)テトラスルフィド)
レジン1:NOVARES C90(ルトガーズケミカル社製 軟化点90℃)
レジン2:SYLVARES SA85(アリゾナケミカル社製 軟化点85℃)
レジン3:NOVARES C30(ルトガーズケミカル社製 軟化点30℃)
オイル:(株)ジャパンエナジー製のX−140
老化防止剤:住友化学(株)製のアンチゲン3C
ステアリン酸:日油(株)製のビーズステアリン酸つばき
酸化亜鉛:三井金属鉱業(株)製の亜鉛華1号
ワックス:大内新興化学工業(株)製のサンノックN
硫黄:鶴見化学工業(株)製の粉末硫黄
加硫促進剤1:住友化学(株)製のソクシノールCZ
加硫促進剤2:住友化学(株)製のソクシノールD
表2に示す配合内容に従い、(株)神戸製鋼所製の1.7Lバンバリーミキサーを用いて、硫黄及び加硫促進剤以外の材料を150℃の条件下で5分間混練りし、混練り物を得た。次に、得られた混練り物に硫黄及び加硫促進剤を添加し、オープンロールを用いて、80℃の条件下で5分間練り込み、未加硫ゴム組成物を得た。得られた未加硫ゴム組成物を170℃で20分間、0.5mm厚の金型でプレス加硫し、加硫ゴム組成物を得た。
また、得られた未加硫ゴム組成物をトレッドの形状に成形し、タイヤ成型機上で他のタイヤ部材とともに貼り合わせて未加硫タイヤを形成し、170℃で12分間加硫し、試験用タイヤ(サイズ:195/65R15)を製造した。
シート状の加硫成形体から幅1mmまたは2mm、長さ40mmの短冊上試験片を打ち抜き、試験に供した。測定は、粘弾性測定装置(上島製作所社製)によって、歪み1%及び周波数10Hzの条件下で、温度70℃での試験片の損失正接(tanδ(70℃))を測定した。比較例9を100とした時の指数で表示した。指数は大きい方が良好(低燃費性)である。
転がり抵抗試験機を用い、試験タイヤを、リム(15×6JJ)、内圧(230kPa)、荷重(3.43kN)、速度(80km/h)で走行させたときの転がり抵抗を測定し、比較例9を100とした時の指数で表示した。指数は大きい方が良好(低燃費性)である。
各試験用タイヤを車両(国産FF2000cc)の全輪に装着して、湿潤アスファルト路面にて初速度100km/hからの制動距離を求めた。結果は指数で表し、数字が大きいほどウェットスキッド性能(ウェットグリップ性能)が良好である。指数は次の式で求めた。
ウェットスキッド性能=(比較例9の制動距離)/(各配合の制動距離)×100
LAT試験機(Laboratory Abrasion and Skid Tester)を用い、荷重50N、速度20km/h、スリップアングル5°の条件にて、各加硫ゴム組成物の容積損失量を測定した。表2の数値(LAT指数)は、比較例9の容積損失量を100としたときの相対値である。当該数値が大きいほど耐摩耗性に優れている。
Claims (4)
- 前記変性ジエン系重合体の重量平均分子量(Mw)と数平均分子量(Mn)との比(Mw/Mn)で表される分子量分布が1.0〜1.5である請求項1記載のトレッド用ゴム組成物。
- 前記変性ジエン系重合体のビニル結合量が、ジエンに基づく構成単位の含有量を100モル%として、20モル%以上70モル%以下である請求項1又は2記載のトレッド用ゴム組成物。
- 請求項1〜3のいずれかに記載のトレッド用ゴム組成物を用いて作製した空気入りタイヤ。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014051616A (ja) * | 2012-09-07 | 2014-03-20 | Sumitomo Rubber Ind Ltd | トレッド用ゴム組成物及び空気入りタイヤ |
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| WO2015182563A1 (ja) * | 2014-05-28 | 2015-12-03 | 株式会社ブリヂストン | ゴム組成物の製造方法、その方法で得られたゴム組成物及びタイヤ |
| JP2017031372A (ja) * | 2015-08-05 | 2017-02-09 | 東洋ゴム工業株式会社 | ゴム組成物及び空気入りタイヤ |
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| JP6627294B2 (ja) * | 2014-09-08 | 2020-01-08 | 住友ゴム工業株式会社 | 空気入りタイヤ |
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| JP2014051616A (ja) * | 2012-09-07 | 2014-03-20 | Sumitomo Rubber Ind Ltd | トレッド用ゴム組成物及び空気入りタイヤ |
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| CN106459501A (zh) * | 2014-05-28 | 2017-02-22 | 株式会社普利司通 | 橡胶组合物的制造方法、由其获得的橡胶组合物和轮胎 |
| CN106459501B (zh) * | 2014-05-28 | 2018-05-04 | 株式会社普利司通 | 橡胶组合物的制造方法、由其获得的橡胶组合物和轮胎 |
| JP2017031372A (ja) * | 2015-08-05 | 2017-02-09 | 東洋ゴム工業株式会社 | ゴム組成物及び空気入りタイヤ |
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