材料科学
气凝胶
扫描电子显微镜
复合材料
多孔性
吸附
复合数
接触角
纤维
疏水二氧化硅
化学工程
化学
有机化学
工程类
作者
Zhihua Zhang,Jun Shen,Xingyuan Ni,Guangming Wu,Bin Zhou,Yang Miao-xiang,Xiaochun Gu,Qian Ming-juan,Yuehua Wu
标识
DOI:10.1080/10601320600934792
摘要
Hydrophobic silica aerogels were prepared via a sol‐gel process by surface modification at ambient pressure. Nonwoven fibers were distributed inside the silica aerogels as a composite to act as a supporting skeleton which increased the mechanical property of the silica aerogels. The morphology and pore structure of the composites were characterized by scanning electron microscopy (SEM) and N2 adsorption analyzer. The contact angle and the adsorption capacities of the composites were also determined. The results show that silica aerogels dispersed uniformly and maintained high porosity in the aerogel‐fiber composites. They have excellent hydrophobic properties and are excellent adsorptive materials.
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