9552;CXCOOR wherein X is hydrogen or methyl and R is an unsubstituted or substituted (i) alkyl group of from 1 to about 6 carbon atoms, (ii) phenyl group, (iii) naphthyl group of (iv) a cycloalkyl group having from 5 to 10 ring carbon atoms; (c) from 0 to about 40 weight percent of polymerizable ethylenically unsaturated monomers of the group acrylonitrile, methacrylonitrile, acrylamide or methacr