A copolymer of propylene with hexene-1 containing from 5 to 9% by weight of recurring units derived from hexene-1, having a melting temperature from 125 to 140° C. and Melt Flow Rate (ASTM D1238, 230/2.16 Kg) from 0.1 to 3 g/10 min., is used to produce blown films having valuable mechanical and optical properties.
丙烯与己烯-1 的共聚物含有 5%至 9%(按重量计)来自己烯-1 的循环单元,熔化温度为 125 至 140 摄氏度,熔体流动速率(ASTM D1238,230/2.16 千克)为 0.1 至 3 克/10 分钟,用于生产具有重要机械和光学特性的吹塑薄膜。