An olefin (co-)polymer composition including 0.01 to 5.0 weight parts of high molecular weight polyethylene which is an ethylene homopolymer or an ethylene-olefin copolymer containing 50 weight % or more of an ethylene polymerization unit; and 100 weight parts of an olefin (co-)polymer other than the high molecular weight polyethylene, wherein said high molecular weight polyethylene has an intrinsic viscosity [ηE] of 15 to 100 dl/g measured in tetralin at 135°C or more, and said high molecular weight polyethylene exists as dispersed fine particles having a numerical average particle size of 1 to 5000 nm.
一种烯烃(共)聚合物组合物,包括 0.01 至 5.0 重量份的高分子量聚
乙烯,它是
乙烯均聚物或
乙烯-烯烃共聚物,含有 50 重量 % 或更多的
乙烯聚合单元;和 100 重量份除高分子量聚
乙烯以外的烯烃(共)聚合物,其中所述高分子 聚
乙烯在 135℃或更高温度下在四
萘中测得的固有粘度[ηE]为 15 至 100 分升/克,且所述高分子聚
乙烯以分散的细颗粒形式存在,其数值平均粒径为 1 至 5000 纳米。