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Photopolymerization Kinetics of 2,2′-diomethoxyphenyl-4,4 ′, 5,5′-tetraphenyl-1,2 -diphenyhmidazole Photoinitiator System
Author(s): 
Pages: 210-215
Year: Issue:  3
Journal: Imaging Science and Photochemistry

Keyword:  光引发剂光聚合动力学实时红外;
Abstract: 本文研究了对2,2′-二邻甲氧基苯基-4,4′,5,5′-四苯基-l,2′-二咪唑(BMOIM)复合光引发体系引发聚合动力学过程.采用紫外光谱仪对引发剂、供氢体、增感剂在紫外区的吸收谱图进行了表征.利用实时红外光谱仪对复合光引发体系引发聚合动力学过程进行实时监测,考察了不同光强、引发剂浓度以及不同官能度单体对反应速率及最终双键转化率的影响.结果表明,在引发剂浓度为0.6%(质量分数)时,20s内双...
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