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Synthesis and Application of Modified Acrylate Using Polyurethane as Reactive Emulsifiers
Author(s): 
Pages: 40-42,47
Year: Issue:  5
Journal: Anhui Chemical Industry

Keyword:  聚氨酯丙烯酸酯反应性乳化剂涂料印花;
Abstract: 以低聚物多元醇、异佛尔酮二异氰酸酯、二羟甲基丙酸、甲基丙烯酸β-羟乙酯、三羟甲基丙烷等为原料分别制备直链型和具有一定支化度的水性聚氨酯(WPU).以合成的WPU作为大分子型反应性乳化剂,再辅以少量乳化剂DNS-86与丙烯酸酯单体热引发聚合,制得聚氨酯-丙烯酸酯乳液(PUA).通过红外光谱和粒径分析等方法对PUA的结构及性能进行表征.结果表明:与直链型相比,经过支链型PU改性后的成膜物拉伸强度达到2...
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