A novel low-crystalline propylene random copolymer composition comprising
[I] 60 to 95 % by weight of a propylene random copolymer and
[II] 5 to 40 % by weight of a low-crystalline propylene random copolymer
which has excellent heat-sealability, heat-seal imparting property, transparency and antiblocking property and containing a reduced amount of a hydrocarbon-soluble component, a process for production thereof, and polypropylene composite laminated structure having improved heat-sealability and heat seal strength at low temperatures.
一种新型低结晶
丙烯无规共聚物组合物,包括
[60% 至 95% (重量百分比)的
丙烯无规共聚物和
[II] 5%至 40%(重量百分比)的低结晶
丙烯无规共聚物
具有优异的热封性能、热封性能、透明度和抗阻塞性能,并含有较少量的烃溶性成分的聚
丙烯无规共聚物组合物及其生产工艺,以及在低温下具有更好的热封性能和热封强度的聚
丙烯复合层压结构。