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    • 7. 发明授权
    • Vibration-damping rubber composition
    • 减震橡胶组合物
    • US4942187A
    • 1990-07-17
    • US158739
    • 1988-02-23
    • Takashi KawataHideo KatsumataKenya MakinoYoshishige Chikatsu
    • Takashi KawataHideo KatsumataKenya MakinoYoshishige Chikatsu
    • C08F255/08C08K3/00C08L23/16C08L23/20C08L83/10
    • C08L83/10C08F255/08C08K3/0033C08L23/20C08L23/22C08L2312/00
    • A vibration-damping rubber composition comprising:(A) 100 parts by weight of at least one rubber component selected from the group consisting of (a) at least one hexene-1 type polymer selected from the group consisting of hexene-1 homopolymers and copolymers of hexene-1 and a C.sub.3-20 alpha-olefin other than hexene-1 and (b) at least one graft copolymer selected from the group consisting of a graft copolymer of a hydroxyl group-containing polysiloxane or a copolymer of hexene-1 and a silane compound represented by the general formula I:CH.sub.2 .dbd.CH--(CH.sub.2).sub.n --SiR.sup.1.sub.m X.sub.3-m Iwherein n is an integer of 1 or more, m is 0 or an integer of 1-2, X is a chlorine or bromine atom, and R.sup.1 is a hydrogen atom or a C.sub.1-5 alkyl group and a graft copolymer of a hydroxyl group-containing polysiloxane on a terpolymer of hexene-1, a C.sub.3-20 alpha-olefin other than hexene-1 and a silane compound represented by the general formula I,(B) 5-150 parts by weight of a reinforcing agent,(C) 0-50 parts by weight of a softening agent, and(D) 0.1-5 parts by weight of a crosslinking agent. The above vibration-damping rubber composition is excellent in vibration-damping capacity, heat resistance and resistance to permanent compression set.
    • 一种减振橡胶组合物,其包含:(A)100重量份的至少一种选自以下的橡胶组分:(a)至少一种选自己烯-1均聚物和共聚物中的至少一种己烯-1型聚合物 的己烯-1和除己烯-1以外的C3-20α-烯烃,和(b)至少一种接枝共聚物,其选自含羟基的聚硅氧烷的接枝共聚物或己烯-1的共聚物和 由通式I表示的硅烷化合物:CH2 = CH-(CH2)n-SiR1mX3-m1其中n为1或更大的整数,m为0或1-2的整数,X为氯或溴原子 ,R1为氢原子或C1-5烷基,含羟基的聚硅氧烷在己烯-1的三元共聚物,己烯-1以外的C3〜20α-烯烃的共聚物和由 通式I,(B)5-150重量份的增强剂,(C)0-50重量份的软化剂 (D)0.1-5重量份的交联剂。 上述减震橡胶组合物的减震能力,耐热性和耐永久压缩永久变形性优异。