"yl)-aziridine; and acryloyl halides such as (meth)acryloyl chloride. [0056] Preferred functional monomers have the general formula [0057] wherein R1 is hydrogen, a C1 to C4 alkyl group, or a phenyl group, preferably hydrogen or a methyl group; R2 is a single bond or a divalent linking group that joins an ethylenically unsaturated group to polymerizable or reactive functional group A and preferably" . . . .