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    • 2. 发明授权
    • Composite reinforcer
    • 复合强化剂
    • US09540766B2
    • 2017-01-10
    • US13825935
    • 2011-09-16
    • Vincent AbadSébastien RigoEmmanuel Custodero
    • Vincent AbadSébastien RigoEmmanuel Custodero
    • B32B25/02D07B1/06B29B15/08B60C5/00B29D30/38
    • D07B1/0633B29B15/08B29D2030/383B60C5/00D07B1/0666Y10T428/2938Y10T428/2947Y10T428/2967Y10T428/2969
    • Composite reinforcer (R-2) that is self-adhesive, by curing, to a diene rubber matrix, which can be used as reinforcing element for a pneumatic tire, comprising: one or more reinforcing thread(s) (20), for example a carbon steel cord; a first layer (21) of a thermoplastic polymer, the glass transition temperature of which is positive, for example a polyamide, covering said thread, individually each thread or collectively several threads; a second layer (22) of a composition comprising a poly(p-phenylene ether) (“PPE”) and a functionalized diene elastomer bearing functional groups selected from epoxide, carboxyl, acid anhydride and acid ester groups, in particular an epoxidized SBR, covering the first layer (21). Process for manufacturing such a composite reinforcer and rubber article or semi-finished product, especially a pneumatic tire, incorporating such a composite reinforcer.
    • 复合增强件(R-2),其通过固化而自粘合到可用作充气轮胎的增强元件的二烯橡胶基质上,包括:一个或多个加强丝(20),例如 碳钢绳; 热塑性聚合物的第一层(21),其玻璃化转变温度为正,例如聚酰胺,覆盖所述螺纹,单独地每个螺纹或共同的几个螺纹; 包含聚(对亚苯基醚)(“PPE”)和具有选自环氧化物,羧基,酸酐和酸酯基团的官能团的官能化二烯弹性体,特别是环氧化SBR的组合物的第二层(22) 覆盖第一层(21)。 用于制造这种复合增强件和橡胶制品或半成品的方法,特别是包含这种复合增强件的充气轮胎。