材料科学
甲基三甲氧基硅烷
接触角
红豆
扫描电子显微镜
化学工程
X射线光电子能谱
气凝胶
溶胶凝胶
分析化学(期刊)
纳米技术
复合材料
涂层
有机化学
化学
工程类
作者
Saravanan Nagappan,Jin Joo Park,Sung Soo Park,Chang‐Sik Ha
标识
DOI:10.1186/s40580-014-0030-6
摘要
Abstract Superhydrophobic and transparent polymethylhydroxysiloxane (PMHOS)/silica ormosil aerogel hybrids were prepared successfully by mixing of PMHOS with various weight percentages of silica ormosil aerogels (as synthesized from methyltriethoxysilane (MTES) and methyltrimethoxysilane (MTMS) precursors) in separate seal perfume glass vials. The hybrids were spin coated on glass substrate at 1000 rpm for 60 seconds and used for further analysis. The surface morphology and chemical compositions of the hybrids were analyzed by high resolution scanning electron microscopy, high resolution transmission electron microscopy, atomic force spectroscopy, adsorption and desorption isotherm, and X-ray photoelectron spectroscopy. The transparency, thermal decomposition and static contact angle (SCA) of each sample were measured by UV-Visible spectrophotometer, TGA and drop shape analysis system, respectively. The spin coated substrates showed good superhydrophobic properties, thermal stability as well as transparency on the glass substrates.
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