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    • 2. 发明申请
    • Process for producing rubber composition and rubber composition
    • 生产橡胶组合物和橡胶组合物的方法
    • US20010031815A1
    • 2001-10-18
    • US09808363
    • 2001-03-15
    • Sadayuki NakanoTakashi Nishida
    • C08F132/00
    • C08J3/226C08J2323/16C08J2423/00
    • A rubber composition containing (A) an ethylene-null-olefin based copolymer rubber having an intrinsic viscosity nullnullnull of 2.0-10.0 as determined in xylene at 70null C., (B) a softening agent, and (C) a filler, which composition is superior in heat resistance and fatigue resistance, is obtained by a process including the steps of dividing component (A) into portions (A1) and (A2), dividing component (B) into portions (B1) and (B2), dividing component (C) into portions (C1) and (C2), kneading portions (A1), (B1) and (C1) together to obtain a first blend, adding portions (A2), (B2) and (C2) to the first blend to obtain a second blend and kneading the second blend to obtain the rubber composition.
    • 一种橡胶组合物,其含有(A)在70℃下在二甲苯中测定的特性粘度η为2.0-10.0的乙烯-α-烯烃基共聚物橡胶,(B)软化剂和(C)填料 通过包括将组分(A)分成部分(A1)和(A2),分隔组分(B)分成部分(B1)和(B2)的步骤的方法获得,其组合物的耐热性和耐疲劳性优异, ,将分割成分(C)分割成部分(C1)和(C2),捏合部分(A1),(B1)和(C1)在一起以获得第一共混物,将部分(A2),(B2)和(C2) 第一共混物以获得第二共混物并捏合第二共混物以获得橡胶组合物。