PROBLEM TO BE SOLVED: To provide a method for producing a rubber composition that has excellent workability as a rubber composition and can give a rubber crosslinked product having excellent wet grip performance and low heat build-up properties.SOLUTION: The present invention provides a method for producing a rubber composition comprising a cyclic olefin ring-opening polymer (A) having a silyl group at a polymer chain terminal, silica (B), and a nonionic surfactant (C), the method comprising the step for mixing the cyclic olefin ring-opening polymer (A) with the silica (B) in the presence of the nonionic surfactant (C).SELECTED DRAWING: None
【課題】ゴム組成物としての加工性に優れ、かつ、優れたウエットグリップ性および低発熱性を有するゴム架橋物を与えることのできるゴム組成物の製造方法の提供。【解決手段】重合体鎖末端にシリル基を有する環状オレフィン開環重合体(A)と、シリカ(B)と、非イオン性界面活性剤(C)とを含有するゴム組成物を製造する方法であって、前記環状オレフィン開環重合体(A)と、前記シリカ(B)とを、前記非イオン性界面活性剤(C)の存在下で混練する工程を備えるゴム組成物の製造方法。【選択図】なし
RUBBER COMPOSITION, RUBBER CROSSLINKED PRODUCT AND METHOD FOR PRODUCING TIRE
ゴム組成物、ゴム架橋物およびタイヤの製造方法
2017-07-06
Patent
Electronic Resource
Japanese
IPC: | C08J Verarbeitung , WORKING-UP / B60C VEHICLE TYRES , Fahrzeugreifen / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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