The results indicate that the polymerization mechanism is coordination polymerization and the polymer has stereospecific structure.
结果表明，聚合体系符合配位聚合的机理，聚合物结构具有一定的有序性。
The invention discloses a bimetallic catalyst precursor for catalyzing olefin to polymerize or copolymerize and belongs to the field of olefin coordination polymerization.
本发明公开了一种催化烯烃聚合或共聚合的双金属催化剂前体，属于烯烃配位聚合领域。
Supported titanium catalysts modified by alcohols were prepared for the first time, and the modified catalysts were used for the coordination polymerization of butadiene and isoprene.
本工作首次制备了醇改性负载钛催化剂，并将其用于丁二烯和异戊二烯配位聚合。
Activator is an important component of catalyst system for olefin coordination polymerization, which affects not only polymerization activity but also structure and property of resulting polymer.
助催化剂是烯烃配位聚合催化剂的重要组成部分。它不仅可以影响聚合活性，而且对所得聚合物的结构和性质也有明显的影响。
Structure characterization and mechanism study showed that, after the color change, new active center formed and polymerization changed from coordination to cationic mechanism.
从聚合物的结构表征及机理探讨表明：颜色突变后，体系产生了新的活性中心，催化机理发生了转变——由配位机理转变为阳离子机理。
With orthogonal test of key point temperature of polymerization reaction, a group of reasonable technology parameters are found by synthesis balance coordination method.
通过对聚合反应过程关键工艺点温度的正交试验，采用综合平衡协调的决策方法，得到了聚合反应过程的一组较佳的工艺参数。
With orthogonal test of key point temperature of polymerization reaction, a group of reasonable technology parameters are found by synthesis balance coordination method.
通过对聚合反应过程关键工艺点温度的正交试验，采用综合平衡协调的决策方法，得到了聚合反应过程的一组较佳的工艺参数。
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