To obtain a modified conjugated diene polymer composition particularly excellent in a balance between wear resistance and steering stability.SOLUTION: A modified conjugated diene polymer composition contains a rubber component containing a modified conjugated diene polymer (a) in which the ratio between a weight average molecular weight Mw and a number average molecular weight Mn, Mw/Mn, by gel permeation chromatography (GPC) is 1.5 or more, and which has adsorptivity to a silica column, and oil (b) with a density of 1.0 g/cmor more.SELECTED DRAWING: None
【課題】耐摩耗性と操縦安定性のバランスが特に優れる変性共役ジエン系重合体組成物を得る。【解決手段】ゲル浸透クロマトグラフィー(GPC)による重量平均分子量Mwと数平均分子量Mnの比Mw/Mnが1.5以上であり、シリカ系カラムへの吸着性を有する変性共役ジエン系重合体(イ)を含有するゴム成分と、密度1.0g/cm3以上のオイル(ハ)と、を、含有する変性共役ジエン系重合体組成物。【選択図】なし
MODIFIED CONJUGATED DIENE RUBBER COMPOSITION, AND TIRE
変性共役ジエン系ゴム組成物、及びタイヤ
2019-06-06
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
MODIFIED CONJUGATED DIENE POLYMER, RUBBER COMPOSITION, AND TIRE
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