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Preparation of Acrylate/Silicone Copolymer Emulsion
Author(s): 
Pages: 1-3
Year: Issue:  3
Journal: PAINT & COATINGS INDUSTRY

Keyword:  丙烯酸酯硅氧烷乳液聚合室温交联;
Abstract: 采用预乳化部分连续法,以丙烯酸丁酯、八甲基环四硅氧烷和少量甲基丙烯酰氧丙基三甲氧基硅烷作为共聚单体,以过硫酸铵和十二烷基苯磺酸作为复合引发剂,制得丙烯酸酯/硅氧烷共聚物乳液.考察了聚合反应机理、产物结构及其交联性能,其结果表明:反应是先进行自由基聚合,后进行缩聚的同时异步聚合反应机理.经FTIR、DSC测试表明,所得的聚合物乳液具有自身不交联、破乳后或涂覆后室温交联的优异性能.
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