PROBLEM TO BE SOLVED: To provide a rubber composition for studless tire tread having suppressed performance reduction with time while enhancing on-ice breaking performance, a studless tire using the same and a manufacturing method of the rubber composition.SOLUTION: There is provided a rubber composition for studless tire tread containing a diene rubber, a chitosan granular material and a vegetable granular material with 0.5 to 30 pts.mass of the chitosan granular material based on 100 pts.mass of the diene rubber.SELECTED DRAWING: None

    【課題】氷上制動性能を向上させつつ、経年に伴う性能低下を抑制したスタッドレスタイヤトレッド用ゴム組成物、それを用いたスタッドレスタイヤ、及びそのゴム組成物の製造方法を提供することを目的とする。【解決手段】ジエン系ゴム、キトサン粒状体、及び植物性粒状体を含有するスタッドレスタイヤトレッド用ゴム組成物であって、ジエン系ゴム100質量部に対して、キトサン粒状体を0.5〜30質量部含有してなるものである。【選択図】 なし


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    Title :

    RUBBER COMPOSITION FOR STUDLESS TIRE TREAD, STUDLESS TIRE, AND MANUFACTURING METHOD OF RUBBER COMPOSITION


    Additional title:

    スタッドレスタイヤトレッド用ゴム組成物、スタッドレスタイヤ、及びそのゴム組成物の製造方法


    Contributors:

    Publication date :

    2017-02-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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