| abstract |
Compounds represented by the formula:n wherein R 1 is alkyl, aralkyl, alkoxyalkyl, alkenyl, alkynyl, carboxyalkyl or carboxyaryl; R 2 is any group which does not cause spontaneous decomposition of the peroxy group; and x and y are integers between 0 and 4 with x + y great than or equal to 1, are disclosed. n The inventive compounds are useful as visible and UV photoinitiators and as thermal or chemical initiators for curing compositions of ethylenically unsaturated monomers and prepolymers. |