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Preparation and Properties of the UV-Curable Waterborne Polyurethane Dispersions Based on Different Diols
Author(s): 
Pages: 8-11
Year: Issue:  1
Journal: Paint & Coatings Industry

Keyword:  聚醚聚酯聚碳酸酯UV固化水性聚氨酯;
Abstract: 以异佛尔酮-二异氰酸酯(IPDI)、2,2-二羟甲基丙酸(DMPA)、丙烯酸羟乙酯(HEA)及相对分子质量为2 000的聚四氢呋喃醚二醇(PTMG)、聚己内酯二醇(PCL)、聚己二酸丁二醇酯(PBA)、聚碳酸酯二醇(PCD)等4种不同的二元醇为主要原料,用丙酮法合成了一系列不同的紫外光固化的水性聚氨酯乳液,并分别对其粒径、黏度及固化膜的力学性能和热性能进行了研究.结果表明:以PCD为软段所制备的乳液粒径最小,其固化膜综合力学性能较好.
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