发明授权
US4559371A Photocurable colored compositions employing alpha-amino phenone initiator 失效
使用α-氨基苯酮引发剂的光固化着色组合物

Photocurable colored compositions employing alpha-amino phenone initiator
摘要:
Compounds of the formula I, II or III ##STR1## in which Ar and Ar' are an oxygen-containing aromatic radical, R.sup.1 and R.sup.2 are a monovalent hydrocarbon radical which is substituted or unsubstituted, or R.sup.1 and R.sup.2 together form alkylene, oxaalkylene or azaalkylene, R.sup.3 is a direct bond or a divalent hydrocarbon radical, X and X' are a monovalent amino group and Y is a divalent amino or diamino group, are excellent photoinitiators for the photocuring of colored, especially pigmented, compositions containing an olefinically unsaturated, photopolymerizable binder.
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