A new reactive surfactant(PEO400-MMA) was synthesized with PEO400 and MMA,and soap freeemulsion copolymerization of MMAand BMA was conducted under the effect of the reactive surfactant.

• 用聚乙二醇(PEO400)和甲基丙烯酸酯为原料,制备了反应性乳化剂(PEO400-MMA),并利用PEO400-MMA为反应性单体,用于甲基丙烯酸甲酯(MMA)与甲基丙烯酸正丁酯的无皂乳液共聚合,制备了无皂乳胶粒。