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    • 1. 发明授权
    • Rubber compositions and vulcanized rubber compositions
    • 橡胶组合物和硫化橡胶组合物
    • US5344881A
    • 1994-09-06
    • US77456
    • 1993-06-17
    • Keisaku YamamotoYoshio TanimotoMasahiro FukuyamaNoriyasu Yasuda
    • Keisaku YamamotoYoshio TanimotoMasahiro FukuyamaNoriyasu Yasuda
    • C08L23/08C08L63/02C08L71/02C08L33/08C08L33/10C08L33/14C08L71/03
    • C08L63/00C08L23/0869C08L71/02C08L2312/00
    • A rubber composition which is vulcanizable with organic peroxides and provides vulcanized rubber excellent in oil resistance, heat resistance, low-temperature resistance and compression set. The composition comprises 30 to 95 parts by weight of the following component (A) and 70 to 5 parts by weight of the following component (B) (wherein component (A)+component (B)=100 parts by weight) as well as 1 to 10 parts by weight of the following component (C) per 100 parts by weight of the total amount of the components (A) and (B):component (A): an ethylene-acrylate or ethylene-methacrylate copolymer rubber wherein the amount ratio in mole of ethylene and acrylate or methacrylate is in the range from 50:50 to 85:15,component (B): an epichlorohydrin rubber which is vulcanizable with an organic peroxide and has unsaturated carbon-carbon double bonds as a vulcanizable group in the amount of 1 to 15 mole % in the rubber, andcomponent (C): a multifunctional epoxy compound of a weight-average molecular weight in the range of 100 to 15,000 and of an epoxy equivalent in the range of 10 to 10,000 containing an epoxy ring.
    • 一种可与有机过氧化物硫化并提供耐油性,耐热性,耐低温性和压缩永久变形优异的硫化橡胶的橡胶组合物。 组合物包含30至95重量份的以下组分(A)和70至5重量份的以下组分(B)(其中组分(A)+组分(B)= 100重量份))以及 组分(A)和(B)的总量每100重量份中的组分(C)1至10重量份:组分(A):乙烯 - 丙烯酸酯或乙烯 - 甲基丙烯酸酯共聚物橡胶,其中 乙烯和丙烯酸酯或甲基丙烯酸酯的摩尔数量比在50:50至85:15的范围内,组分(B):可用有机过氧化物硫化并具有不饱和碳 - 碳双键作为可硫化基团的表氯醇橡胶 橡胶中的含量为1〜15摩尔%,成分(C):重均分子量为100〜15000,环氧当量为10〜10,000的多官能环氧化合物,含有 环氧环。