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Erschienen in:
1994 | OriginalPaper | Buchkapitel
Wetting and adsorption at chemically heterogeneous surfaces
verfasst von : Avner Friedman
Erschienen in: Mathematics in Industrial Problems
Verlag: Springer New York
Enthalten in: Professional Book Archive
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Many industrial processes require control of wettability of a solid surface by various liquids. For example, the liquid may be a paint, a lubricant or a dye, and the solid may have smooth or rough surface. In this chapter the surface is fabricated by chemisorbing mixed alkanethiol monolayer on gold substrate from solution. Such surfaces can be used for controlling wetting, spreading, adhesion and friction of industrially engineered smooth surfaces. Alkanes are (CH2) n groups, thiols refer to SH, and alkanethiol chains are X- (CH2) n -SH molecules. In this chapter X is either OH or CH3; OH is hydrophilic and CH3 is hydrophobic. We shall deal with alkanethiol chains chemiosorbed from solution onto gold (Au), as shown in Figure 19.1.