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Study on hydrophobicity of Fluorine-contained Polymer FPA-R and Blends with Water-based PU Binders
Author(s): Li Zhengjun, Zheng Xiangchao, Zhang Tingyou
Pages: 28-
33
Year: 2007
Issue:
19
Journal: CHINA LEATHER
Keyword: 含氟丙烯酸酯; 接触角; 疏水性; 表面能; 共混; 耐湿擦性;
Abstract: 以甲基丙烯酸十二氟庚酯(FMA)与丙烯酸酯类单体,成功合成了稳定性好的含氟丙烯酸酯聚合物FPA-R乳液.通过接触角的测定,研究了FMA用量和热处理对FPA-R胶膜疏水性和疏油性以及表面自由能的影响规律,同时研究了FPA-R共混改性PU涂饰剂涂膜的疏水性.结果表明:随FMA用量的增加,FPA-R接触角增大,表面自由能降低,表现出良好的疏水性和疏油性;氟原子质量分数仅1%就可以显著改善PU膜的疏水性,皮革涂层的耐湿擦性大大提高.
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