在一些离子型活性聚合反应体系中，存在两种具有链增长反应活性的物种，例如自由离子和离子对。
In several ionic living polymerization systems, there are two kinds of active species such as ion pairs and free ions, or contact ion pairs and solvent separated ion pairs.
研究了所合成的催化剂催化丙烯常压聚合反应行为，考察了琥珀酸酯类给电子体对催化剂活性及聚丙烯等规度的影响。
The behaviors of propylene polymerization under atmospheric pressure and the influence of electron donors on the activity and the isotacticity of the catalyst were investigated.
自由基活性聚合是人们在们在近年来探索的一类新的聚合反应。本文简要地综述了这类反应的进展。
Living Polymerization by radical mechanism is a new type of reaction which has been explored recently. In this paper, the developments of these reactions are reviewed.
实验发现乙烯基磺酸酯类单体活性较低，与MMA和MAA单体聚合时不能很好的参与聚合反应。
Vinyl sulfonate monomers were experimentally found of lower reactivity and couldn't effectively copolymerize with MMA and MAA.
聚合反应的催化剂主要包括单活性点催化剂、齐格勒-纳塔催化剂和菲利浦催化剂。
The main catalysts for polymerization are single-site catalysts, Ziegle-Natta catalysts and Phillips catalysts.
采用间断聚合和陈化方法进行了动力学分析，表明催化剂的活性衰减与聚合反应无关。
The ageing method and batch polymerization were used to study kinetics of polymerization. It was found that decay of activity of catalysts was not related to polymerization reaction.
以较佳配比所得到的催化剂颗料较小、分布均匀，催化丁二烯聚合反应活性高。
Under the better ratio, small particles appeared which dispersed uniformly and were of higher catalytic activity.
合成了一系列新型的具有光引发聚合反应活性的单体：不同分子量的聚乙二醇的双甲基丙烯酸酯。
The purpose of this study was to characterize the structure of polyethyleneglycol methacrylate and investigate their photochemical initiated polymerization.
合成了一系列新型的具有光引发聚合反应活性的单体：不同分子量的聚乙二醇的双甲基丙烯酸酯。
The purpose of this study was to characterize the structure of polyethyleneglycol methacrylate and investigate their photochemical initiated polymerization.
应用推荐