The method of forming an adherent coating on a substrate comprising applying to the substrate a compound having the formula selected from the group consisting of H (13H: CHg=-C 0 O B1011 CHz=C- O 1 1. an unsaturated hydrocarbon radical, wherein R is an alkylene radical, R is an alkyl radical or hydrogen, R is an alkyl radical or hydrogen, R is an alkyl radical or hydrogen, and R, is a trivalent o