Polymeric compounds containing an oxetane functionality and a maleimide functionality have the structure ##STR00001## in which polymer is a polymeric backbone, m and n are integers from 2 to 500, R.sup.1 is methyl or ethyl, R.sup.2 is a divalent hydrocarbon, and W and Z are independently an ether, carboxyl, ester, carbamate, urea or amide linking functionality.