聚合物/疏水性SiO<sub>2</sub>超疏水复合涂层的制备及表征*

材料研究学报

2013, Vol. 27

Issue (4): 439-443

研究论文

本期目录 | 过刊浏览

聚合物/疏水性SiO₂超疏水复合涂层的制备及表征*

郭永刚耿铁吴海宏邓鹏辉

(河南工业大学机电工程学院郑州 450007)

Fabrication and Characteration of Superhydrophobic Polymer/hydrophobic SiO₂ Composite Coatings

GUO Yonggang^** GENG Tie WU Haihong DENG Penghui

(School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450007)

引用本文:

郭永刚,耿铁,吴海宏,邓鹏辉. 聚合物/疏水性SiO₂超疏水复合涂层的制备及表征*[J]. 材料研究学报, 2013, 27(4): 439-443.
. Fabrication and Characteration of Superhydrophobic Polymer/hydrophobic SiO₂ Composite Coatings[J]. Chinese Journal of Materials Research, 2013, 27(4): 439-443.

全文: PDF(4448 KB)

摘要: 使用低密度聚乙烯、聚甲基丙烯酸甲酯和疏水性SiO₂为原料, 通过简单的共混涂膜方法在玻璃基底上制得了具有超疏水性能的聚乙烯/疏水性SiO₂和聚甲基丙烯酸甲酯/疏水性SiO₂复合涂层; 用接触角测量仪、扫描电子显微镜、X-射线光电子能谱仪等分析手段对涂层的润湿性能、微观结构以及表面化学成分等进行了表征。结果表明, 所制备的两种聚合物/疏水性SiO₂复合涂层的静态水接触角都超过150°, 滚动角低至3.0°。聚合物和疏水性SiO₂共混涂膜后形成了类似于荷叶的微纳米二元结构, 是其表面具有优异超疏水性能的主要原因。

Abstract：Using low density polyethylene (PE), polymethyl methacrylate (PMMA) and hydrophobic SiO₂ as the raw materials, PE/hydrophobic SiO₂ and PMMA/hydrophobic SiO₂ composite coatings with superhydrophobicity were fabricated on the glass substrate by a simple one-step casting method. Several analysis equipments, such as contact angle meter, scanning electron microscope and X-ray photoelectron spectroscopy instrument, were used to characterize and analyse the wettability, morphology, and surface chemical properties of the as-prepared coatings, respectively. The results show that the static water contact angles of the two coatings are higher than 150° and the sliding angles are lower than 3.0°. It is also found that the micro-nano-binary structure, similar to lotus leaves, is essential for achieving an excellent superhydrophobic surface.

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