期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 474, 期 -, 页码 44-51出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2015.03.005
关键词
Layered compounds; Thin films; Chemical synthesis; X-ray diffraction; Surface properties
资金
- Natured Science Foundation of China [51131008, 21101160]
- 973 program [2014CB643304]
- Science & Technology Basic Research Program of Qingdao [14-2-4-31-jch]
- Nantong [BK2014046]
Mg-Al layered double hydroxide films with an ab-oriented microstructure are fabricated in situ by urea hydrolysis using pure Al as both the substrate and Al source. After surface treatment with sodium oleate, sodium laurate, and sodium stearate, respectively, the surface of the film changes from hydrophilic to hydrophobic, which can be attributed to the aliphatic carboxylate films formed on the film surface. Scanning electron microscopy revealed that the unique microstructure of the precursor film can be inherited. The hydrophobic property of the sodium laurate and sodium stearate treated films can reduce the adsorption and adhesion of sulfate reducing bacteria and retard biofilm formation. The hydrophobic layered double hydroxide films obtained in the present work have excellent microbiologically influenced corrosion resistance activities that are due to the unique hydrophobicity microstructure and may be potentially be applied in microbiologically influenced corrosion resistance coatings. (C) 2015 Elsevier B.V. All rights reserved.
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