申请人:Hoechst Aktiengesellschaft
公开号:US05055579A1
公开(公告)日:1991-10-08
Compounds of general formula I are disclosed ##STR1## wherein L denotes a hydrogen atom, an aryl radial or a substituent of the formula ##STR2## M denotes an alkylene radical or alkenylene radical or a 1,2-arylene radical, Q denotes a sulfur, selenium or oxygen atom, a dialkylmethylene group, an alken 1,2-ylene radical, a 1,2-phenylene radical or an N-R.sup.1 group, denotes an alkyl, aralkyl, aryloxyalkyl or alkoxyalkyl radical, R.sup.2 and R.sup.3 denote a hydrogen atom or a 4,6-bis-trichloromethyl-s-triazin-2-yl group, and n is 0 or 1. The compounds are suitable for use as photoinitiators in photosensitive systems that are induced to reaction by free radicals or acid cations. The compounds are characterized by high sensitivity in the visible spectral region.
通式I的化合物被揭示,其中L表示氢原子、芳基或公式中的取代基M表示烷基基团或烯基基团或1,2-芳基基团,Q表示硫、硒或氧原子、二烷基亚甲基基团、烯基1,2-亚基基团、1,2-苯基基团或N-R.sup.1基团,表示烷基、芳基、芳氧基烷基或烷氧基烷基基团,R.sup.2和R.sup.3表示氢原子或4,6-双三氯甲基-s-三嗪-2-基团,n为0或1。这些化合物适用于用作光引发剂,用于由自由基或酸阳离子诱导反应的光敏感系统。这些化合物具有在可见光谱区域的高灵敏度。