The purpose of the present invention is to obtain: a modifier suitable for obtaining a lubricating oil, a coating material, an adhesive, or the like, which generates less particles and has more excellent smoothness; also provided is a rubber composition for tires, which is suitable for obtaining tires having both excellent braking performance and excellent fuel consumption performance. The present invention pertains to: an organosilicon compound graft copolymer (X) characterized by containing a main chain part derived from an ethylene/alpha-olefin copolymer (A) and a graft part derived from an organosilicon compound (B) containing one or more unsaturated groups; and a rubber composition for tires, which is characterized in that the silicone compound graft copolymer (X) is contained in an amount of 1-30 parts by mass per 100 parts by mass of a diene rubber comprising an aromatic vinyl-conjugated diene copolymer rubber.

    本发明的目的在于:得到适于获得颗粒的产生更少、平滑性更优异的润滑油、涂料、粘接剂等的改性剂;以及,得到适于获得制动性能和燃耗性能这两者均优异的轮胎的轮胎用橡胶组合物。本发明涉及:有机硅化合物接枝共聚物(X),其特征在于,包含来自乙烯·α‑烯烃共聚物(A)的主链部、和来自含有1个以上不饱和基团的有机硅化合物(B)的接枝部;以及,轮胎用橡胶组合物,其特征在于,相对于包含芳香族乙烯基‑共轭二烯共聚橡胶的二烯系橡胶100质量份而言,以1~30质量份的范围包含有机硅化合物接枝共聚物(X)。


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    Title :

    Organosilicon compound graft copolymer and rubber composition for tire comprising same


    Additional title:

    有机硅化合物接枝共聚物及包含该共聚物的轮胎用橡胶组合物


    Contributors:

    Publication date :

    2023-04-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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