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Characterization of Acrylate Emulsion Modified by Vinylalkoxysilane
Author(s): 
Pages: 588-592
Year: Issue:  4
Journal: JOURNAL OF CHEMICAL ENGINEERING OF CHINESE UNIVERSITIES

Keyword:  乙烯基硅氧烷丙烯酸酯乳液聚合表征;
Abstract: 采用种子乳液聚合法,引入乙烯基三异丙氧基硅氧烷(C-1706),在(78±2)℃合成了硅氧烷改性丙烯酸酯共聚物乳液.用傅立叶变换红外光谱仪和粒度仪分别测定了共聚乳液产物的结构和粒径分布,用透射电镜和扫描电镜测定了乳胶粒子形态和乳胶膜形态,用紫外老化仪测定了乳胶膜的耐老化和耐沾污性能.实验结果表明,采用种子乳液聚合技术可将硅氧烷引入到共聚物大分子中,得到平均粒径为51.8~76.6nm且粒径分布窄的硅氧烷改性丙烯酸酯乳液,其涂膜耐候性和耐沾污性优异.
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