摘要： 以聚乙烯醇(PVA)为保护胶体，采用预乳化种子半连续乳液聚合工艺合成阳离子型聚丙烯酸酯乳液。 探讨了不同乳化剂体系条件下，PVA 种类及含量等因素对乳液聚合及乳液稳定性的影响，并对保护胶体的作用机理进行了分析。 研究表明:采用 m(十六烷基三甲基溴化铵 CTAB) ∶m(脂 肪醇聚氧乙烯醚 B9) ∶m(脂肪醇聚氧乙烯醚 B20)= 2 ∶1 ∶1乳化体系、PVA-124 为保护胶体的聚合体系，所制得阳离子丙烯酸酯乳液的粒径较小，乳液最稳定。
关键词:
聚乙烯醇;阳 离子型,
丙烯酸酯乳液,
稳定性
Abstract: The cationic acrylate emulsion containing PVA as the protective colloid was prepared by using pre-emulsified semi-continuous seeded emulsion polymerization method.The effects of different emulsifier systems different protective colloid and dosage on the stability of emulsion were systemically investigated, and the mechanism of protective colloid is analyzed.The results show that the emulsion has smaller particle size and exhibits optimal stability when using CTAB-B9-B20 at a mass ratio of 2: 1: 1 as the emulsification system and PVA-124 as the protective colloid.
Key words:
protect colloid PVA,
cationic,
polyacrylate emulsion,
stability
孟凡磊, 徐丽丽, 马凤国. 聚乙烯醇对阳离子型丙烯酸酯乳液性能的影响研究[J]. 涂料工业, 2016, 46(2): 42-47.
Meng Fanlei, Xu Lili, Ma Fengguo. Research on Influence of PvA on Properties of
Cationic Acrylate Emulsion[J]. Paint & Coatings Industry, 2016, 46(2): 42-47.