Enteric acrylic acid resin for drug delivery was prepared by the solution polymerization with methacrylic acid and methyl methacrylate as raw materials and potassium persulfate as initiator.

• 以甲基丙烯酸与甲基丙烯酸甲酯为原料,过硫酸钾为引发剂,经溶液聚合制备出药用肠溶性丙烯酸树脂。