蜡
涂层
材料科学
润湿
超亲水性
复合数
沉积(地质)
腐蚀
复合材料
化学工程
纳米技术
工程类
沉积物
生物
古生物学
作者
Weitao Liang,Li Zhu,Weiping Li,Xin Yang,Chang Xu,Huicong Liu
出处
期刊:Langmuir
[American Chemical Society]
日期:2015-09-16
卷期号:31 (40): 11058-11066
被引量:24
标识
DOI:10.1021/acs.langmuir.5b03234
摘要
Wax deposition is a detrimental problem that happens during crude oil production and transportation, which greatly reduces transport efficiency and causes huge economic losses. To avoid wax deposition, a bioinspired composite coating with excellent wax prevention and anticorrosion properties is developed in this study. The prepared coating is composed of three films, including an electrodeposited Zn film for improving corrosion resistance, a phosphating film for constructing fish-scale morphology, and a silicon dioxide film modified by a simple spin-coating method for endowing the surface with superhydrophilicity. Good wax prevention performance has been investigated in a wax deposition test. The surface morphology, composition, wetting behaviors, and stability are systematically studied, and a wax prevention mechanism is proposed, which can be calculated from water film theory. This composite coating strategy which shows excellent properties in both wax prevention and stability is expected to be widely applied in the petroleum industry.
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