| 摘要 |
PROBLEM TO BE SOLVED: To provide a polymer having iron ion deposition prevention ability which is further improved when it is used for detergents, and a manufacturing method therefor.SOLUTION: A cationic group-containing copolymer comprises: a structure unit derived from one or more monomers selected from cationic group-containing unsaturated ether monomers; and a structure unit derived from carboxyl group-containing monomers at a specific ratio as indispensable constitution units. |
