Abrasion resistant semitransparent self-cleaning coatings based on porous silica microspheres and polydimethylsiloxane |
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| Authors: | Qinqin Su Fubin Wen Yuewen Huang Bin Wang |
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| Affiliation: | 1. Key Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China;2. University of Chinese Academy of Sciences, Beijing 10049, China;3. Guangdong Provincial Engineering & Technology Research Center for Fine Chemicals of Ceramic Industry, Guangzhou 510650, China |
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| Abstract: | Transparent, abrasion-resistant and superhydrophobic coatings have attracted considerable interest owing to their great advantages in applications. In this work, a semitransparent abrasion-resistant superhydrophobic coating was attained via depositing suspensions of porous silica microspheres and polydimethylsiloxane, followed by calcining and fluorating process. Herein, the porous silica microspheres were fabricated through a template method. Consequently, the coating exhibited a water contact angle of 153°, a hexane contact angle of 100° and an average optical transparency of 78%. Significantly, the coating displayed a robust resistance against sandpaper abrasion and knife-scratch. Furthermore, the coating also exhibited excellent self-cleaning performance even after it was contaminated by oil. |
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| Keywords: | semitransparent abrasion-resistant superhydrophobic suspensions self-cleaning property |
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