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Preparation and Properties of Superhydrophobic Surface with Titanium Dioxide and Attapulgite
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Yueying SONG1, Xiping LEI1, 2, Jing LIU1, Xiaolin GUAN3, Hudie YUAN1
Journal of the Chinese Ceramic Society | 2021, 49(10) : 2242 - 2250
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Journal of the Chinese Ceramic Society | 2021, 49(10): 2242-2250
Preparation and Properties of Superhydrophobic Surface with Titanium Dioxide and Attapulgite
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Yueying SONG1, Xiping LEI1, 2, Jing LIU1, Xiaolin GUAN3, Hudie YUAN1
Affiliations
  • 1.College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • 2.Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an 710055, China
  • 3.School of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China

    • SONG Yueying (1996-), female, Master candidate. E-mail:

About Author:

SONG Yueying (1996-), female, Master candidate. E-mail:

Published: 2021-10-20 doi: 10.14062/j.issn.0454-5648.20210174
Outline
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TiO2 and attapulgite (AT) were used to construct micro-/nano-structures, and polydimethylsiloxane (PDMS) was used as a low surface energy material to prepare the superhydrophobic photocatalytic coating (AT/TiO2@PDMS). The effect of AT amount on the wettability and photocatalytic performance of the coatings was investigated. The results show that the wetting angle of AT/TiO2@PDMS coating is more than 150° and the contact angle can reach 165° when AT content is 75% (in mass fraction). After exposure to mercury lamp for 11 h, the degradation rate of rhodamine by 25% AT is 94%, and the superhydrophobicity of the coating almost unchanges, indicating that the coating has good photocatalytic activity and anti UV linearity. In addition, the coating has a substrate applicability, which can be applied to various substrates. The wettability on the surface of the coating with some common droplets and acid/alkaline solutions was examined, showing that the coating has a protective effect on these droplets and solutions. The results by Tafel test show that the coating has a good corrosion resistance. Based on the results by self-cleaning and antifouling tests, the coating has a certain cleaning effect and an antifouling performance. In addition, the coating also shows superior flame retardancy and superhydrophobicity after combustion.

attapulgite  /  titanium dioxide  /  polydimethylsiloxane  /  superhydrophobic  /  photocatalysis
宋月英, 雷西萍, 刘静, 关晓琳, 袁蝴蝶. 二氧化钛协同凹凸棒土构筑超疏水表面及其性能. 硅酸盐学报, 2021 , 49 (10) : 2242 -2250 . DOI: 10.14062/j.issn.0454-5648.20210174
Yueying SONG, Xiping LEI, Jing LIU, Xiaolin GUAN, Hudie YUAN. Preparation and Properties of Superhydrophobic Surface with Titanium Dioxide and Attapulgite[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (10) : 2242 -2250 . DOI: 10.14062/j.issn.0454-5648.20210174
Appendix
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Year 2021 volume 49 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20210174
  • Receive Date：2021-03-11
  • Online Date：2026-10-30
  • Published：2021-10-20
Article Data
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History
  • Received：2021-03-11
  • Revised：2021-04-08
Funding
Affiliations
    1.College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
    2.Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an 710055, China
    3.School of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China

Corresponding:

LEI Xiping (1979-), female, Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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