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。考察了物料配比、反应温度、溶剂浓度、引发剂用量对反应的影响。

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