由基本上连续的熔纺纤维形成的无纺网幅是从具有偏斜分子量分 布和低于3.5的多分散性的聚丙烯均聚物形成的。
A nonwoven web formed of substantially continuous spunmelt fibers is formed from a homopolymer of polypropylene having a skewed molecular weight distribution and a polydispersity of less than 3.5.
本公开内容提供了制备异烯烃聚合物(72)的方法和聚合系统,其在催化剂体系中使用多成形剂(16,26),以控制多分散性(MWD)。
The disclosure provides for a process and polymerization system to produce isoolefin polymers (72) utilizing polymorphogenates (16, 26) in the catalyst system to control polydispersity (MWD).
本公开内容提供了制备异烯烃聚合物(72)的方法和聚合系统,其在催化剂体系中使用多成形剂(16,26),以控制多分散性(MWD)。
The disclosure provides for a process and polymerization system to produce isoolefin polymers (72) utilizing polymorphogenates (16, 26) in the catalyst system to control polydispersity (MWD).
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