影像科学与光化学 ›› 2002, Vol. 20 ›› Issue (3): 177-184.DOI: 10.7517/j.issn.1674-0475.2002.03.177

• 研究简报 • 上一篇    下一篇

阳离子光引发剂[CpFe(η6-tol)]BF4光聚合活性及增感的研究

柳冀, 王涛, 黄毓礼   

  1. 北京化工大学材料科学与工程学院105号信箱, 北京, 100029
  • 收稿日期:2001-03-27 修回日期:2001-11-15 出版日期:2002-05-23 发布日期:2002-05-23
  • 通讯作者: 黄毓礼
  • 基金资助:
    国家自然科学基金资助项目(29776002)

STUDY ON THE PHOTOSENSITIVITY AND SENSITIZATION OF CATIONIC PHOTOINITIATOR[CpFe(η6-tol)]BF4

LIU Ji, WANG Tao, HUANG Yu-li   

  1. College of Material Science and Engineering, Beijing University of Chemical Technology, Beijng 100029
  • Received:2001-03-27 Revised:2001-11-15 Online:2002-05-23 Published:2002-05-23

摘要: 研究了阳离子光引发剂[CpFe(η6-tol)]BF4引发脂环族环氧树脂ERL-4221阳离子光聚合的活性.其响应峰在 374nm和 450nm处,大于二甲苯基碘盐的240nm,具有更高的感度.同时,研究了一些不同种类的过氧化物对[CpFe(η6-tol)]BF4的增感作用,敏化效果与其氧化性一致:过氧化羟基异丙苯(CHP)≈过氧化苯甲酰 (BPO) >过氧化二异丙苯 (DCP),研究了光敏体系的紫外吸收光谱和荧光发射光谱,对增感机理作出初步解释.

关键词: 芳茂铁盐, 紫外光固化, 脂环族环氧树脂, 增感作用

Abstract: The photosensitivity of cationic polymerization of cycloaliphatic diepoxide oligomer ERL-4221 initiated by photoinitiator[CpFe(η6-tol)]BF4 has been studied.The main absorptions λ max are 374 nm and 450 nm which are longer than those of diaryliodonium salts.The optimized photosensitivity is 283.8 mJ/cm2 when irradiated by 365 nm UV-ray,which is better than tol2I+BF4-.Meanwhile,the promotion of some kinds of organic peroxides on polymerization of alicyclic diexpoxide oligomer which initiated by[CpFe(η6-tol)]BF4 have been studied.lt shows that BPO and CHP could promote the initiation of[CpFe(η6-tol)]BF4 significantly,in accordance with the oxidability and concentration of the peroxide.The mechanism of the sensitization has been discussed preliminarily.

Key words: iron arene complex, cationic polymerization, cycloaliphatic epoxide, sensitization

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