PROBLEM TO BE SOLVED: To provide a rubber composition for a tire tread useful for the production of an ultrahigh-performance tire improved in grip performance and abrasion resistance under high load, high slip and high speed conditions and to provide a tire produced from the rubber composition for a tire tread.SOLUTION: There is provided a rubber composition for a tire tread which comprises: 50 to 200 pts.wt. of a wet masterbatch produced by mixing a styrene-butadiene latex, carbon black and a liquid styrene-butadiene copolymer at 50 to 95°C for 3 to 9 hours by a batch type method; 60 to 70 pts.wt. of a raw material rubber; and 50 to 200 pts.wt. of carbon black, wherein the rubber composition for a tire tread is improved in grip performance and abrasion resistance under high load, high slip and high speed conditions and is useful for the production of an ultrahigh-performance tire.

    【課題】高荷重、高スリップ及び高速条件の下でのグリップ性能及び耐摩耗性能が向上して超高性能タイヤの製造に有用なタイヤトレッド用ゴム組成物、及び前記タイヤトレッド用ゴム組成物から製造されたタイヤを提供する。【解決手段】タイヤトレッド用ゴム組成物は、スチレン−ブタジエンラテックス、カーボンブラック、及びリキッド(liqiud)スチレン−ブタジエンコポリマーを50〜95℃で3〜9時間混合して回分式方法で製造されたウェットマスターバッチ(wet masterbatch)50〜200重量部、原料ゴム60〜70重量部、及びカーボンブラック50〜200重量部を含むことにより、前記タイヤトレッド用ゴム組成物は、高荷重、高スリップ及び高速条件の下でグリップ性能及び耐摩耗性能が向上し、超高性能タイヤの製造に有用である。【選択図】なし


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    Title :

    RUBBER COMPOSITION FOR TIRE TREAD AND TIRE PRODUCED THEREFROM


    Additional title:

    タイヤトレッド用ゴム組成物及びこれから製造されたタイヤ


    Contributors:

    Publication date :

    2016-01-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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