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HETEROPHASIC POLYPROPYLENE WITH HIGH IMPACT PROPERTIES
HETEROPHASIC POLYPROPYLENE WITH HIGH IMPACT PROPERTIES
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机译:具有高抗冲击性能的杂聚丙烯
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摘要
The present invention relates to a heterophasic polypropylene resin comprising a polypropylene homo- or copolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix, wherein the heterophasic polypropy- lene resin has a fraction insoluble in p-xylene (XCU) at 25oC with an intrinsic viscosity of 2.0 dl/g or less, determined according to DIN EN ISO 1628-1 and -3, and a fraction soluble in p-xylene (XCS) at 25°C having an intrinsic viscosity of 2.0 to 4.5 dl/g, determined according to DIN EN ISO 1628-1 and -3, and an amount of ethylene monomer units of 60 to 85 mol%, a heterophasic polypropylene composition comprising such a resin, a process for preparing that resin, and an article made thereof.
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机译:本发明涉及包含聚丙烯均相或共聚物基体相(A)和分散在该基体中的乙烯-丙烯共聚物相(B)的多相聚丙烯树脂,其中该多相聚丙烯树脂具有不溶于p-的部分。根据DIN EN ISO 1628-1和-3测定,在25oC下的特性粘度为2.0 dl / g或更低的二甲苯(XCU),以及在25°C下可溶于对二甲苯(XCS)的具有特性粘度的馏分根据DIN EN ISO 1628-1和-3测定为2.0-4.5 dl / g,乙烯单体单元的量为60-85 mol%,包含这种树脂的多相聚丙烯组合物,该树脂的制备方法,以及由其制成的物品。
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