摘要 |
The present invention provides a phosphate group-containing resin comprising, as polymerized units, a polymerizable unsaturated polyester having at least one phosphate group and/or having at least one phosphoric acid group, a (meth)acrylate based polymerizable monomer, and an alkoxylated (meth)acrylic acid polymerizable monomer; and a use of the phosphate-group containing resin as a treating agent of a metallic pigment or an inorganic pigment, especially used in a water-based coating composition. |