聚乳酸
材料科学
多孔性
接触角
相(物质)
复合数
纳米技术
润湿
纳米尺度
化学工程
复合材料
有机化学
化学
聚合物
工程类
作者
Lingqi Zhong,Xiao Gong
出处
期刊:Soft Matter
[The Royal Society of Chemistry]
日期:2019-01-01
卷期号:15 (46): 9500-9506
被引量:66
摘要
Superhydrophobic films that are simple, inexpensive, corrosion-resistant and multifunctional are in high demand for industrial applications. We propose a simple and economical phase separation method for fabricating superhydrophobic films using polylactic acid (PLA), nano-SiO2 and a mixture of good and poor solvents to construct a rough surface with a nano/microstructured morphology. The phase separation-induced superhydrophobic PLA/SiO2 composite film with a porous network structure has a water contact angle greater than 164°. This method can be applied to a variety of surfaces or used in large-scale industrial production. The fabricated superhydrophobic films may be applied in biological fields because PLA is a good biodegradable material.
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