PROBLEM TO BE SOLVED: To provide a rubber composition used in a cushion rubber for a retreaded tire which has a high vulcanization rate, has a late start of vulcanization and can increase a peel strength of a base tire and a vulcanized tread, and to provide a treated tire using the same.SOLUTION: A rubber composition used in a cushion rubber for a retreaded tire contains a rubber component, and a vulcanization accelerator that contains a dithiocarbamate vulcanization accelerator, an aldehyde amine vulcanization accelerator and a thiazole vulcanization accelerator with contents (pts.mass) satisfying the following expressions (1), (2) and (3) with respect to 100 pts.mass of the rubber component. (1) 0.05<1.5 (2) 0.5<4.0 (3) 0.1<2.0SELECTED DRAWING: None

    【課題】加硫速度が早く、加硫開始が遅く、かつ、台タイヤと加硫済みトレッドとの剥離強度を大きくすることができる更生タイヤ用クッションゴムに用いるゴム組成物及びこれを用いた更生タイヤを提供する。【解決手段】更生タイヤのクッションゴムに用いるゴム組成物であって、ゴム成分と、ジチオカルバミン酸塩系加硫促進剤、アルデヒドアミン系加硫促進剤、及びチアゾール系加硫促進剤を、前記ゴム成分100質量部に対し、下記式(1)、(2)及び(3)を満たす含有量(質量部)で含む加硫促進剤と、を含有するゴム組成物。0.05<前記ジチオカルバミン酸塩系加硫促進剤含有量<1.5 (1)0.5<前記アルデヒドアミン系加硫促進剤含有量<4.0 (2)0.1<前記チアゾール系加硫促進剤含有量<2.0 (3)【選択図】なし


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    Titel :

    RUBBER COMPOSITION USED IN CUSHION RUBBER FOR RETREADED TIRE AND RETREADED TIRE


    Weitere Titelangaben:

    更生タイヤ用クッションゴムに用いるゴム組成物及び更生タイヤ


    Beteiligte:

    Erscheinungsdatum :

    2018-01-18


    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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