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    • 2. 发明申请
    • IMPACT-RESISTANT POLYOLEFIN COMPOSITIONS
    • 耐冲击聚烯烃组合物
    • WO2011076555A1
    • 2011-06-30
    • PCT/EP2010/069021
    • 2010-12-07
    • BASELL POLIOLEFINE ITALIA S.R.L.SUNALLOMER LTD.TAGASHIRA, KatsuharuTAKENOUCHI, HiroshiOTSUBO, Akihiro
    • TAGASHIRA, KatsuharuTAKENOUCHI, HiroshiOTSUBO, Akihiro
    • C08L23/12
    • C08L23/12C08L23/0815C08L23/16C08L2205/03C08L2314/02C08L2666/04C08L2666/06
    • A polyolefϊn composition comprising, all percentages being by weight: A) from 40 to 75% of a polypropylene component having a solubility in xylene at room temperature lower than 20% by weight; B) from 3 to 20% of a copolymer of ethylene with 15-35% by weight of C 4 -C 10 α-olefin(s) having solubility in xylene at room temperature greater than 50% by weight, the intrinsic viscosity of the xylene soluble fraction being from 2.5 to 4 d1/g; C) from 10 to 35% of one or more elastomeric or plastomeric polymers different from B), having a Shore A hardness value equal to or lower than 90 points; D) from 5 to 25% of a mineral filler; and, optionally E) from 0.5 to 5% of a copolymer, different from C), of ethylene with propylene having an ethylene content from 20 to 70% by weight and a solubility in xylene at room temperature greater than 50% by weight, the intrinsic viscosity of the xylene soluble fraction being from 4 to 9 d1/g. wherein the amounts of A), B), C) and E) are referred to the total weight of A) + B) + C) + D) and optionally E).
    • 一种聚烯烃组合物,其全部百分比为重量百分数:A)40-75%的在室温下二甲苯中溶解度低于20重量%的聚丙烯组分; B)3至20%的乙烯共聚物与15-35重量%的在室温下在二甲苯中溶解度大于50重量%的C 4 -C 10α-烯烃的共聚物,二甲苯可溶的特性粘度 分数为2.5〜4dl / g; C)10至35%的一种或多种不同于B)的弹性体或塑性聚合物,肖氏A硬度值等于或低于90分; D)5至25%的矿物填料; 和任选地E)0.5至5%的乙烯与乙烯含量为20至70重量%的丙烯和不同于C)的共聚物,并且在室温下在二甲苯中的溶解度大于50重量%, 二甲苯可溶部分的特性粘度为4〜9dl / g。 其中A),B),C)和E)的量指A)+ B)+ C)+ D)和任选E)的总重量。