Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst
申请人:JAPAN POLYETHYLENE CORPORATION
公开号:US10633471B2
公开(公告)日:2020-04-28
An object of the present invention is to provide a polyethylene-based resin composition excellent in the moldability and at the same time, excellent in the balance between impact strength and stiffness as well as in the transparency, and a molded product and a film, which are obtained by the molding of the polyethylene-based resin composition. The polyethylene-based resin composition of the present invention comprises from 41 to 99 wt % of (A) an ethylene-based polymer satisfying specific conditions and from 1 to 59 wt % of (B) an ethylene-based polymer satisfying specific conditions, wherein MFR of the composition as a whole is from 0.05 to 50 g/10 min and the density is from 0.910 to 0.960 g/cm3.
本发明的目的是提供一种成型性极佳、同时在冲击强度和刚度之间的平衡以及透明性方面也极佳的聚乙烯基树脂组合物,以及通过该聚乙烯基树脂组合物成型而获得的成型产品和薄膜。本发明的聚乙烯基树脂组合物包括 41 至 99 重量%的(A)符合特定条件的乙烯基聚合物和 1 至 59 重量%的(B)符合特定条件的乙烯基聚合物,其中组合物整体的 MFR 为 0.05 至 50 克/10 分钟,密度为 0.910 至 0.960 克/立方厘米。