影像科学与光化学 ›› 1991, Vol. 9 ›› Issue (1): 67-70.DOI: 10.7517/j.issn.1674-0475.1991.01.67

• 研究简报 • 上一篇    下一篇

含二苯甲酮基的有机硅光引发体系

张先亮1, 卓仁禧1, 王全2   

  1. 1. 武汉大学化学系, 武汉 430027;
    2. 星火化工厂, 江西永修 330307
  • 收稿日期:1989-05-25 修回日期:1990-03-31 出版日期:1991-02-20 发布日期:1991-02-20
  • 通讯作者: 张先亮

ORGANOSILICONE PHOTOINITIATORY SYSTEM CONTAINING BENZOPHENONE GROUP

ZHANG XIAN-LIANG1, ZHUO REN-XI1, WANG QUAN2   

  1. 1. Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China;
    2. Xinghuo Chemical Factory, Yongxiu Jiangxi 330307, P.R. China
  • Received:1989-05-25 Revised:1990-03-31 Online:1991-02-20 Published:1991-02-20

摘要: 在UV照射下,用含巯基的有机硅化合物与聚甲基乙烯基硅氧烷加成硫化虽有专利报道,但该反应体系是以二苯甲酮类化合物作为光敏剂。当我们进行这方面研究时,发现二苯甲酮与有机硅氧烷预聚物相容性差,从而影响光加成反应的速度。为了改善光敏剂与有机硅预聚物的相容性,本文合成了具二苯甲酮基团的环状有机硅氧烷及其高聚物作为光敏剂。

关键词: 二苯甲酮, 光引发剂, 硅氧烷, 光加成反应

Abstract: 2-Allyldxy-4-methoxy-bentzophenone (Ⅰ), γ-(4-methoxy-2-oxy-benzophenone) propylhep-tamethylcyclotetrasiloxane (Ⅱ) and polysiloxane containing pendent benzophenone group (Ⅲ) we’re synthesized. These photoinitiators have been used for the photoaddition of polymethylvin-ylsiloxane with 1, 10-dithioldecane. The organosilicone photoinitiators (Ⅱ, Ⅲ) are well compatible with polymethylvinlysiloxane. The effecacy of the photoinitiators has the following order Ⅱ>Ⅲ>Ⅰ.

Key words: photoinitiator, benzophenone, siloxane, photoaddition