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    • 6. 发明申请
    • Crosslinkable rubber compositions and uses thereof
    • 可交联橡胶组合物及其用途
    • US20050154132A1
    • 2005-07-14
    • US11002938
    • 2004-12-03
    • Takashi HakutaMasaaki KawasakiYoshiharu KikuchiTsutomu NakamuraSatao HirabayashiTakeo Yoshida
    • Takashi HakutaMasaaki KawasakiYoshiharu KikuchiTsutomu NakamuraSatao HirabayashiTakeo Yoshida
    • C08K5/00C08L23/16C08L83/04C08L47/00C08F4/06
    • C08K5/0025C08L23/16C08L83/04C08L2312/08C08L2314/02C08L83/00
    • The crosslinkable rubber composition of the invention is crosslinkable by hot air, and a hot-air crosslinked rubber sheet thereof has no scratch on the surface in a hardness test using a pencil of HB and has a compression set of not more than 70% after a heat treatment at 150° C. for 22 hours. The rubber composition comprises an ethylene/α-olefin/non-conjugated polyene random copolymer rubber comprising a specific vinyl end group-containing norbornene compound, a SiH group-containing compound having at least two SiH groups in one molecule, and if necessary, an addition reaction catalyst comprising a platinum group element and a reaction inhibitor. The automobile weatherstrip, hose, rubber vibration insulator, belt, sealing material, expanded product, covered electric wire, electric wire joint, electric insulating part and household rubber product according to the invention comprise the above-mentioned rubber composition. The rubber composition has a high crosslinking rate and excellent productivity to produce crosslinked rubber molded products, is capable of undergoing hot-air crosslinking such as HAV or UHF and is capable of providing crosslinked rubber molded products having excellent compression set resistance, strength properties, heat resistance, weathering resistance and abrasion resistance.
    • 本发明的交联性橡胶组合物可以通过热风进行交联,在使用HB的铅笔的硬度试验中,热风交联橡胶片在表面没有刮痕,并且在a后的压缩永久变形为70%以上 在150℃下热处理22小时。 该橡胶组合物包含一个乙烯/α-烯烃/非共轭多烯无规共聚物橡胶,其包含特定的含乙烯基端基的降冰片烯化合物,在一个分子中具有至少两个SiH基团的含SiH基化合物,如果需要, 包含铂族元素和反应抑制剂的加成反应催化剂。 根据本发明的汽车密封条,软管,橡胶振动绝缘子,带,密封材料,膨胀产品,包覆电线,电线接头,电绝缘部件和家用橡胶制品包括上述橡胶组合物。 橡胶组合物具有高交联率和优异的生产交联橡胶成型体的生产率,能够进行热风交联如HAV或UHF,并且能够提供具有优异的耐压缩变形性,强度性能,热性能的交联橡胶模制产品 耐电阻,耐候性和耐磨性。