Patent ID: 7884162

Claim:
An alkene-acrylate-unsaturated acid anhydride copolymer polymerized by at least one alkene monomer of 0.1 to 30 mole % that is at least one selected from the group selected from the group consisting of ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-hepthene, 1-octene, 1-nonene, and 1-decene; at least one acrylate monomer of 40 to 95 mole % that is represented by the following Formula 1; and at least one unsaturated acid anhydride monomer of 0.1 to 40 mole % that is represented by the following Formula 2: wherein R 1 , R 2 and R 3 represent each independently a hydrogen atom or a monovalent hydrocarbon group that is capable of including a hetero atom and has 1 to 30 carbon atoms, at least one of R 1 , R 2 and R 3 are an epoxy group; and R 4 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; and wherein R 7 and R 8 represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.