PROBLEM TO BE SOLVED: To provide a rubber composition for heavy duty tires capable of giving a rubber crosslinked product high in tensile strength and tensile stress and excellent in abrasion resistance.SOLUTION: The rubber composition for heavy duty tires is provided which contains a terminal modifying group-containing cyclic olefin ring-opened polymer, silica, and carbon black having a nitrogen adsorption specific surface area of 90-150 m/g as measured by a BET method. The content of the carbon black is 20-60 pts.wt. based on 100 pts.wt. of a rubber component contained in the rubber composition for heavy duty tires.SELECTED DRAWING: None

    【課題】引張強度および引張応力が高く、耐摩耗性に優れたゴム架橋物を与えることができる重荷重タイヤ用ゴム組成物を提供すること。【解決手段】末端変性基含有環状オレフィン開環重合体と、シリカと、BET法により測定される窒素吸着比表面積が90〜150m2/gのカーボンブラックとを含有する重荷重タイヤ用ゴム組成物であって、前記重荷重タイヤ用ゴム組成物に含有されるゴム成分100重量部に対する、前記カーボンブラックの含有割合が、20〜60重量部である重荷重タイヤ用ゴム組成物を提供する。【選択図】なし


    Access

    Download


    Export, share and cite



    Title :

    RUBBER COMPOSITION FOR HEAVY DUTY TIRES


    Additional title:

    重荷重タイヤ用ゴム組成物


    Contributors:

    Publication date :

    2017-10-05


    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 / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



    RUBBER COMPOSITION FOR HEAVY-DUTY TIRES

    ANEZAKI SATOSHI / KUWABARA SHINGO | European Patent Office | 2023

    Free access

    RUBBER COMPOSITION FOR HEAVY-DUTY TIRES

    ANEZAKI SATOSHI / KUWABARA SHINGO | European Patent Office | 2025

    Free access

    RUBBER COMPOSITION FOR HEAVY DUTY TIRES, AND HEAVY DUTY TIRE

    SUZUKI KENJI | European Patent Office | 2020

    Free access

    RUBBER COMPOSITION FOR TIRES, TIRE, AND HEAVY DUTY TIRE

    TODA TAKUMI | European Patent Office | 2019

    Free access

    HEAVY-DUTY TIRE RUBBER COMPOSITIONS AND TIRES

    KODA DAISUKE / KANBARA HIROSHI | European Patent Office | 2020

    Free access