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以砂纸为模板制作聚合物超疏水表面
Authors
俞小春
周勇亮
夏海平
谢永元
Publication date
10 August 2007
Publisher
Abstract
报道了一种聚合物材料超疏水表面的简便制备方法.以不同型号的金相砂纸为模板,通过浇注成型或热压成型技术,在聚合物表面形成不同粗糙度的结构.接触角实验结果证明,聚合物表面与水的接触角随着所用砂纸模板粗糙度的增加而加大,其中粒度号为W7和W5砂纸制作的表面与水的接触角可超过150°,显示出超疏水性质.多种聚合物使用砂纸为模均可制备不同粗糙度及超疏水的表面,本征接触角对复制表面浸润性的影响从Wenzel态到Cassie态而变小.扫描电镜结果表明,不规则形状的砂纸磨料颗粒构成了超疏水所需要的微纳米结构的模板
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Last time updated on 16/06/2016