Patent ID: 7300977

Claim:
A method for preparing an acrylic-modified chlorinated polyolefin resin, which comprises graft-copolymerizing an acid-modified chlorinated polyolefin resin with a monomer mixture containing a (meth) acrylate ester monomer having one hydroxyl group and another vinyl monomer in the presence of one or more of cyclic ether compounds selected from the group consisting of dioxane, 1,4-dionaxane-2,3-diol 1,3-dioxolane, β-propiolactone, monomethylpropiolactone, dimethyl propiolactone, furan, 2,3-dihydrofuran, 2,5-dihydrofuran, tetrahydrofuran, 2,2,5,5-tetramethyltetrahydrofuran, and 2-heptyltetrahydrofuran.