The graft copolymer of chloroprene rubber(CR)/ methyl methacylate(MMA) was prepared by emulsion graft polymerization,and powdered CR/MMA dry rubber was obtained by spray-drying.

• 用乳液接枝法合成了氯丁橡胶（CR）-甲基丙烯酸甲酯（MMA）接枝共聚物，并用喷雾干燥法制得了粉末状干胶。