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STUDY ON THE PHOTOSENSITIVITY AND SENSITIZATION OF CATIONIC PHOTOINITIATOR [CpFe(η6-tol)]BF4
Author(s): 
Pages: 177-184
Year: Issue:  3
Journal: PHOTOGRAPHIC SCIENCE AND PHOTOCHEMISTRY

Keyword:  芳茂铁盐紫外光固化脂环族环氧树脂增感作用;
Abstract: 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374 nm和450 nm处,大于二甲苯基碘 NFDA2盐的240 nm,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(η 6-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.
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