d, itaconic acid, and other such mono- and dicarboxylic acids and dicarboxylic anhydrides; (meth)acrylonitrile and other such vinylcyan compounds; and vinyl chloride, vinylidene chloride, vinyl methyl ketone, vinyl acetate, (meth)acrylamide, glycidyl (meth)acrylate, and other such unsaturated compounds.