溶液聚合法制备水溶性丙烯酸树脂
Preparation of Water-Soluble Acrylic Resin by Solution Polymerization
摘要: 本文以丙烯酸、甲基丙烯酸甲酯、甲基丙烯酸、丙烯酸丁酯为单体，以偶氮二异丁腈为引发剂，以异丙醇为溶剂，采用溶液聚合法合成了水溶性丙烯酸树脂。通过研究溶剂与单体的配比、滴加时间、保温时间对树脂水溶性和粘度性能的影响，确立了水溶性丙烯酸树脂的最佳合成配方。在配方条件下制得的树脂为淡黄色透明液体，水溶性好。
Abstract:
The water-soluble acrylic resin was synthesized with the solution polymerization. And it was pre-pared via solution polymerization which takes acrylic acid, butyl acrylate, methacrylic acid, methyl methacrylate as the monomers, takes azobisisobutyronitrile as the initiator and takes isopropyl al-cohol as the solvent. By discussing solvent and monomer’s allocated proportion, instilment time, heat preservation time to the resin’s performance influence, such as the water-solubility, viscosity, the best formula of synthesis water-soluble acrylic resin for water-based coatings was obtained. The resin prepared under the condition of formula is light yellow transparent liquid with good watersolubility.
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