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    • 7. 发明申请
    • DRIVING BELT
    • 驾驶皮带
    • US20090048049A1
    • 2009-02-19
    • US11718138
    • 2005-09-26
    • Yasuhiko YoshidaHiroyuki TachibanaHiroyuki Shiriike
    • Yasuhiko YoshidaHiroyuki TachibanaHiroyuki Shiriike
    • F16G5/04
    • F16G5/06F16G1/08F16G5/20
    • It is an object of the present invention to provide a power transmission belt which is superior in dynamic adhesion and heat-resistant adhesion against repeated flexing of a power transmission belt or running under heating conditions around an engine, and is also superior in heat resistance, abrasion resistance and an abnormal noise-preventing property.The present invention pertains to a power transmission belt in which an adhesive rubber layer in which core wires are embedded along the longitudinal direction of the belt is bonded by vulcanization to a compressed rubber layer laminated on the inner surface of the above-mentioned adhesive rubber layer, wherein the above-mentioned adhesive rubber layer and the above-mentioned compressed rubber layer are formed by using ethylene-α-olefin-diene rubber compound, and the diene content in ethylene-α-olefin-diene rubber of the above-mentioned adhesive rubber layer is equal to or larger than the diene content in ethylene-α-olefin-diene rubber of the above-mentioned compressed rubber layer, and the diene content in ethylene-α-olefin-diene rubber of the above-mentioned adhesive rubber layer is 3.5 to 10% by mass and the diene content in ethylene-α-olefin-diene rubber of the above-mentioned compressed rubber layer is 0 to 6% by mass.
    • 本发明的目的在于提供一种动力传动带,其动力传递带的反复弯曲或发动机周围的加热条件下的耐热粘合性优异,且耐热性也优异, 耐磨性和异常防噪性。 本发明涉及一种动力传递带,其中沿着带的纵向嵌入有芯线的粘合橡胶层通过硫化粘合到层压在上述粘合橡胶层的内表面上的压缩橡胶层 ,其中上述粘合橡胶层和上述压缩橡胶层通过使用乙烯-α-烯烃 - 二烯橡胶化合物形成,并且上述粘合剂的乙烯-α-烯烃 - 二烯橡胶中的二烯含量 橡胶层等于或大于上述压缩橡胶层的乙烯-α-烯烃 - 二烯橡胶中的二烯含量,并且上述粘合橡胶层的乙烯-α-烯烃 - 二烯橡胶中的二烯含量 为3.5〜10质量%,上述压缩橡胶层的乙烯-α-烯烃 - 二烯橡胶中的二烯含量为0〜6质量%。