增强PDMS在仿生超疏水材料制备中的应用

研究了高岭土增强的聚二甲基硅氧（PDMS）在仿生超疏水材料制备中的应用。以增强PDMS为软模板，通过软刻蚀中的微模塑方法复制了荷叶表面的微一纳复合结构信息，进一步通过热模塑制备出具有与荷叶表面相同信息的高密度聚乙烯（HDPE）超疏水表面，其接触角高达156°。还讨论了高岭土掺杂量对PDMS的力学性能、溶胀性能的影响，为此法在其它高聚物表面的实际应用提供了实验依据。

Application of the Enhanced PDMS in the Preparation of Biomimetic Superhydrophobic Materials

Application of the kaolin enhanced polydimethylsiloxane （PDMS） in the preparation of biomimetic superhy- drophobic materials is studied in this paper. Using the enhanced PDMS as a soft stamp, the micro-nano composite structure information on lotus leaf is copied to its surface by micromolding method, and then the copied information is further transferred to the high density polyethylene （HDPE） surface by hot embossing micromolding. The contact angle of the HDPE is up to 156°. The doping amount of kaolin on the mechanical and swelling properties of the PDMS is also discussed. The method provides experimental evidences in the superhydrophobic application on other polymer surfaces.