Preparation of cationic copolymer latex of MMA with comonomer N, N-dimethyl, N-butyl, N-methacryloloxylethyl ammonium bromide (DBMEA) was carried out by soap-free emulsion polymerization.

• 甲基丙烯酸甲酯(MMA)在无皂乳化剂条件下；加入少量的功能性单体N；N一二甲基；N-丁基；N-甲基丙烯酰氧乙基溴化铵(DBMEA)；合成了稳定的P(MMA-DBMEA)共聚物乳液.；该共聚物乳胶粒呈现单分散分布。