以二甲基硅二苯基硅共聚物引发苯乙烯光聚合的研究

Studies on the Photopolymerization of Styrene Initiated by Dimethylsilane-Diphenyisilane Copolymer

本文研究了二甲基硅二苯基硅共聚物(P(DMS-co-DPS))作为光敏引发剂,引发苯乙烯进行光聚合的过程。结果表明,聚合为自由基引发的链式反应,聚合速率与P(DMS-co-DPS)浓度的0.37次方成正比;本体聚合活化能为30.6KJ/mol,氧气对聚合无明显影响。

The photopolymerizarion of styrene initiated by Dimethylsilane-Diphenylsilane Copolymer has been studied. The results show that the polymerzation is a free-radical haitiated chain reaction, the rate of polymerization is proportion to 0.37 power of the concentration of Dimethylsilane-Diphenylsil ane Copolymer and the apparenet activation energy of bulk polymerization is 30.6 KJ / Mol. It has also been shown that oxygen has minor influence on the polymerizations.