| abstract |
A carboxyl group-containing polymer, wherein the polymer is prepared by polymerizing the following monomers with molar percentages: (1) 50% ~ 99% of a monomer A; (2) 0.5% ~ 25% of a B monomer; (3) 0.5% ~ 25% of a C monomer; wherein monomer A has a structure shown in formula (I): ** Formula ** in monomer A, R is phenyl or COOR ', and R' is C1-C10 alkyl; monomer B has one of the structures shown in formulas (II-2), (II-3) and from (II-5) to (II-8): ** Formula ** monomer C has one of the structures shown in formulas (III-1) to (III-7): ** Formula ** |