Abstract:Principle and preparation methods of superhydrophobic materials were discussed in this paper.The preparation methods included etching,self-assembling,phase separation,template,chemical deposition,and sol-gel.The advantage,disadvantages,and application of these methods
were discussed.Processed using laser radiation and plasma etching,perfect micro-nano structures could be obtained on non-metal materials.Superhydrophobic surfaces could be obtained on low surface free energy polymers directly through laser etching and further modification was needless.
Phase separation was appropriate for the preparation of superhydrophobic polymer film for it was simple,low cost,and suitable for large scale manufacture.Template method was simple and convenient to fabricate superhydrophobic materials.
Key words:superhydrophobic material;micro-nano technology;preparation
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