PROBLEM TO BE SOLVED: To provide a cushion rubber for a retreaded tire that has excellent adhesiveness to a vulcanized rubber member and can improve the fracture characteristics and low heat build-up properties of a vulcanized rubber.SOLUTION: A cushion rubber for a retreaded tire contains, based on a diene rubber 100 pts. mass, 1-7 pts. mass of surface-treated calcium carbonate that is surface-treated with at least one selected from the group consisting of fatty acid, rosin acid and silane coupling agent, so that adhesiveness to a vulcanized rubber member is improved and the fracture characteristics and low heat build-up properties of a vulcanized rubber are also improved.

    【課題】加硫ゴム部材に対する粘着性に優れ、加硫ゴムの破壊特性、低発熱性を高めることが可能な更生タイヤ用クッションゴムを提供すること。【解決手段】更生タイヤ用クッションゴム中に、ジエン系ゴム100質量部に対し、脂肪酸、ロジン酸及びシランカップリング剤からなる群より選択される少なくとも1種で表面処理された表面処理炭酸カルシウムを1〜7質量部配合することにより、加硫ゴム部材に対する粘着性を向上し、加硫ゴムの破壊特性、低発熱性を向上する。【選択図】 なし


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    Titel :

    CUSHION RUBBER FOR RETREADED TIRE, AND RETREADED TIRE


    Weitere Titelangaben:

    更生タイヤ用クッションゴム及び更生タイヤ


    Beteiligte:
    IHARA IKUO (Autor:in)

    Erscheinungsdatum :

    2016-01-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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



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