申请人:Merck Patent Gesellschaft mit Beschrankter Haftung
公开号:US04861916A1
公开(公告)日:1989-08-29
Compounds of the general formula I ##STR1## wherein Z is CR.sup.1 R.sup.2 (OR.sup.3) or phenyl, R.sup.1 being H, C.sub.1-6 -alkyl or phenyl, R.sup.2 being H, C.sub.1-6 -alkyl or C.sub.1-6 -alkoxy and R.sup.3 being H, C.sub.1-6 -alkyl or C.sub.1-6 -alkanoyl and Z' is Y--[(CH.sub.2).sub.m --X].sub.n --, X being CH.sub.2 or 0, Y being OH; COOH or SO.sub.3 H including the alkali metal, alkaline earth metal or ammonium salts thereof and also the salts thereof with organic nitrogen bases; or NRR' in which R and R' are in each case H, C.sub.1-20 -alkyl or C.sub.1-4 -hydroxyalkyl, if appropriate quaternized or in the form of the acid addition salts, and n and m each being the numbers 1-4, are excellently suitable as photoinitiators for the photopolymerization of ethylenically unsaturated compounds, in particular in aqueous systems.
一般式为I的化合物 ##STR1## 其中Z为CR.sup.1 R.sup.2 (OR.sup.3)或苯基,R.sup.1为H,C.sub.1-6烷基或苯基,R.sup.2为H,C.sub.1-6烷基或C.sub.1-6烷氧基,R.sup.3为H,C.sub.1-6烷基或C.sub.1-6酰基,Z'为Y--[(CH.sub.2).sub.m --X].sub.n --,X为CH.sub.2或0,Y为OH、COOH或SO.sub.3 H,包括其与有机氮碱的盐以及碱金属、碱土金属或铵盐,或NRR',其中R和R'分别为H,C.sub.1-20烷基或C.sub.1-4羟基烷基,如适当季铵化或以酸加成盐的形式,n和m分别为1-4的数字,非常适用于乙烯基不饱和化合物的光聚合引发剂,特别是在水性系统中。