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A Study of Characterization of Aqueous Polyurethane-Dye Supercapsulas
Author(s): 
Pages: 48-50
Year: Issue:  2
Journal: JOURNAL OF TEXTILE RESEARCH

Keyword:  分散动态光散射X-射线衍射超微囊;
Abstract: 以超声分散的方法在二氯甲烷溶剂中制备硬段含羧基的水性聚氨酯(PU)纳米空白微球,并分别制得包裹不同含量染料油溶红24的PU超微囊,测试表明:随着染料投入量的增加,超微囊粒径增大,呈双峰分布,约在100~300 nm之间.在超微囊体系内染料存在2种形态:无晶形态和有序晶形态.PU阻碍了染料分子的聚集结晶.
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