Polymerization catalyst system的意思|示意

Polytetrahydrofuran (PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.

以发烟硫酸-高氯酸为催化剂，通过四氢呋喃的阳离子开环聚合合成了窄分子量分布的聚四氢呋喃(PTHF)。

Taking nickel catalyst system as an example, the effects of dissolved oxygen on butadiene polymerization and the result of using the pressure-self-raising-unit were analyzed.

以镍系催化剂为例，考察了溶解氧对丁二烯聚合系统的影响，并考察了使用升压器后的作用效果。

A method for preparing a spray dried catalyst and a low viscosity, low foam spray dried catalyst system for olefin polymerization are provided.

提供了制备喷雾干燥的催化剂的方法和用于烯烃聚合的低粘度、低发泡的喷雾干燥的催化剂体系。

At appropriate polymerization conditions the binary catalyst system shows a good synergic effect, the polymerization activity is higher than any single catalyst.

在合适的聚合条件下此复式催化剂具有很好的协同作用，其催化活性比任一单一催化剂的催化活性都高。

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）。

In this paper, polymerization of maleimides in a heterogeneous system was studied using nanocrystalline titanium dioxide as catalyst.

用二氧化钛纳米晶作为催化剂对马来酰亚胺进行非均相聚合反应。