The pressure-sensitive adhesive composition of claim 1 wherein the Z group of said C monomer has the general formula ##STR6## wherein R2 is a hydrogen atom or a lower alkyl group, R3 is a lower alkyl group, n is an interger from 20 to 500 and R4 is a monovalent radical selected from the group consisting of ##STR7## and --CO2 R6 wherein R5 is a hydrogen atom or a lower alkyl group and R6 is a lower