甲基丙烯酸甲酯/羟甲基丙烯酰胺无皂乳液共聚合的研究

以甲基丙烯酸甲酯为主单体、N-羟甲基丙烯酰胺为功能性单体、K2 S2 O8为引发剂进行了无皂乳液共聚合的研究 ;探讨了固含量、单体配比、反应温度、引发剂含量等对乳液稳定性和粒径大小的影响 ,制备了固含量较高 ( 30 %)、稳定性较好的丙烯酸酯无皂乳液。研究结果表明甲基丙烯酸甲酯 /N-羟甲基丙烯酰胺无皂共聚合的最佳条件为固含量 30 %、功能性单体 2 0 %、引发剂 1 %、反应温度 75℃。

Studies on the Soap-Free Emulsion Copolymerization of Methyl Methacrylate and N-hydroxymethyl Acrylamide

In this paper the soap-free emulsion copolymerization of methyl methacrylate and N-hydroxymethyl acrylamide was studied, using potassium persulfate(K 2S 2O 8) as initiator. The effects of solid content, functional monomer content,reaction temperature and initiator content et al. on the stability of the latexes and particles size were investigated. It has been found that when the solid content is 30%, functional monomer content is 20%, initiator content is 1%, and the reaction temperature is 75℃, the high performance soap-free latex is obtained easily.