以环氧氯丙烷、二甲胺为反应单体，过硫酸钾-亚硫酸钠为引发剂合成了小阳离子聚合物粘土稳定剂pta。

Minor cationic polymer clay stabilizer PTA was synthesized with epichlorohydrin and dimethylamine as monomers and potassium persulfate - sodium sulfite as initiating agent.

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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。

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.

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