The random copolymerization of propylene and ethylene with a supported titanium contained Ziegler-Nattacatalyst has been studied.
以载体型钛系齐格勒-纳塔催化剂进行了丙烯和乙烯无规共聚合的研究。
2
The preparation of polypropylene alloy by 2-stage heterophase catalytic copolymerization of ethylene, propylene and 1-butene on spheric Ziegler-Nattacatalyst had been studied.
Also provided is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Nattacatalyst and a compound specified herein.