申请人:Hoechst Aktiengesellschaft
公开号:US05216158A1
公开(公告)日:1993-06-01
Compounds of general formula I are disclosed ##STR1## wherein R.sup.1 denotes an unsubstituted or substituted carbocyclic or heterocyclic aryl radical, R.sup.2 and R.sup.3 are different from each other and either denote a hydrogen atom or a 4,6-bis-trichloromethyl-s-triazin-2-yl group, and n and m independently of each other, denote one of the numbers 0 and 1. The compounds are effective free-radical-forming photoinitiators and photolytically-activatable acid donors for photosensitive compositions.
通式I的化合物被揭示如下:其中R.sup.1表示未取代或取代的碳环或杂环芳基,R.sup.2和R.sup.3彼此不同,可以表示氢原子或4,6-双三氯甲基-s-三嗪-2-基团,n和m独立地表示0和1中的一个数字。这些化合物是有效的自由基形成光引发剂和光解活化酸供体,适用于光敏感组合物。