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Preparation and Property of Superhydrophobic and Photocatalytic Polydimethylsilane/Nano-TiO2 Self-Cleaning Coating
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Ruilai LIU1, 2, Xiaohong DING2, Jinyun ZHAO2, Jiapeng HU2, Jilin MU2, Xingping FU2
Journal of the Chinese Ceramic Society | 2022, 50(5) : 1275 - 1282
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Journal of the Chinese Ceramic Society | 2022, 50(5): 1275-1282
• Research Articles •
Preparation and Property of Superhydrophobic and Photocatalytic Polydimethylsilane/Nano-TiO2 Self-Cleaning Coating
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Ruilai LIU1, 2, Xiaohong DING2, Jinyun ZHAO2, Jiapeng HU2, Jilin MU2, Xingping FU2
Affiliations
  • 1.College of Materials and Environmental Engineering, Fujian Polytechnic Normal University, Fuqing 350300, Fujian, China
  • 2.College of Ecological and Resources Engineering, Wuyi University, Wuyishan 354300, Fujian, China

    • LIU Ruilai (1984-), male, Doctoral candidate. E-mail:

About Author:

LIU Ruilai (1984-), male, Doctoral candidate. E-mail:

Published: 2022-05-20 doi: 10.14062/j.issn.0454-5648.20210538
Outline
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Combining the photocatalytic activity with the superhydrophobicity of coating is an effective approach for the self-cleaning effect. In this paper, the porous aluminum surface was coated with trialkoxy-terminated polydimethylsiloxane/titanium dioxide (PDMS/TiO2) coating (APT) by a solution immersion method. According to the analysis by Fourier-transformed infrared spectroscopy and X-ray photoelectron spectroscopy, a bond (Ti—O—Si) between PDMS and TiO2 is formed. The results by scanning electron microscopy and energy dispersive spectroscopy show that the superhydrophobicity is due to the interconnected hierarchical sheet structure and the PDMS with a low surface energy. The surface of APT coating has a stable superhydrophobicity with a water contact angle (WCA) of 161.6° and a sliding angle of less than 10°. The stability of superhydrophobicity with WCAs greater than 150° remains after 24 h ultraviolet irradiation. The ATP coating has an effective photocatalytic activity and an ability to degrade dyes and remove some organic substances on the surface.

superhydrophobicity  /  photocatalysis  /  self-cleaning  /  composite coating
刘瑞来, 丁晓红, 赵瑨云, 胡家朋, 穆寄林, 付兴平. 超疏水光催化聚二甲基硅氧烷/纳米TiO2自清洁涂层的制备和性能. 硅酸盐学报, 2022 , 50 (5) : 1275 -1282 . DOI: 10.14062/j.issn.0454-5648.20210538
Ruilai LIU, Xiaohong DING, Jinyun ZHAO, Jiapeng HU, Jilin MU, Xingping FU. Preparation and Property of Superhydrophobic and Photocatalytic Polydimethylsilane/Nano-TiO2 Self-Cleaning Coating[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (5) : 1275 -1282 . DOI: 10.14062/j.issn.0454-5648.20210538
Appendix
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Year 2022 volume 50 Issue 5
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Article Info
doi: 10.14062/j.issn.0454-5648.20210538
  • Receive Date：2021-07-05
  • Online Date：2026-10-22
  • Published：2022-05-20
Article Data
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History
  • Received：2021-07-05
  • Revised：2021-07-23
Funding
Affiliations
    1.College of Materials and Environmental Engineering, Fujian Polytechnic Normal University, Fuqing 350300, Fujian, China
    2.College of Ecological and Resources Engineering, Wuyi University, Wuyishan 354300, Fujian, China

Corresponding:

DING Xiaohong (1985-), female, Ph.D., Associate Professor. E-mail:
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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