申请人:Ciba-Geigy Corporation
公开号:US04271294A1
公开(公告)日:1981-06-02
Compounds of the formula I ##STR1## wherein Ar.sup.1 and Ar.sup.2 represent unsubstituted or substituted phenyl, R.sup.1 represents hydrogen, alkyl, alkoxy, hydroxyalkyl, allyl, benzyl or a group --O--R.sup.2 -NR.sup.3 R.sup.4, R.sup.2 represents alkylene and --NR.sup.3 R.sup.4 is an open chain or cyclic organic amino group, are effective initiators for the photopolymerization of unsaturated compounds or for the photocrosslinking of polyolefins. They can be obtained by different methods which are in themselves known, in particular by reaction of the corresponding haloalkyl ethers or haloalkyl ketals with primary or secondary amines.
式I的化合物 ##STR1## 其中Ar.sup.1和Ar.sup.2代表未取代或取代的苯基,R.sup.1代表氢,烷基,烷氧基,羟基烷基,烯丙基,苄基或一个--O--R.sup.2 -NR.sup.3 R.sup.4基团,R.sup.2代表烷基,--NR.sup.3 R.sup.4是开链或环状有机氨基团,对于不饱和化合物的光聚合或聚烯烃的光交联是有效的引发剂。它们可以通过不同的方法获得,这些方法本身是已知的,特别是通过相应的卤代烷基醚或卤代烷基酮醇与一级或二级胺的反应。