Copolymer particles consisting of acrylamide(AM) and N,N-dimethyl aminoethyl acrylate methyl chloride quarternary(DAC) were prepared by dispersion polymerization in a salt solution.

• 以丙烯酰胺(AM)和丙烯酰氧乙基三甲基氯化铵(DAC)为共聚单体,采用分散聚合法在无机盐水溶液中得到了性能稳定的聚合物乳液。