DYNAMIC CONTACT ANGLES AND DEPOSITION EFFICIENCY FOR TRANSFER OF DOCOSANOIC ACID ON TO MICA FROM CDCL2 SUBPHASES AS A FUNCTION OF PH

被引:27
作者
AVEYARD, R
BINKS, BP
FLETCHER, PDI
YE, X
机构
[1] School of Chemistry, University of Hull, Hull
关键词
D O I
10.1016/0040-6090(92)90161-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We describe results for the dynamic contact angle and transfer ratio for the deposition of docosanoic acid monolayers on to mica from CdCl2 subphases as a function of pH. The deposition changes from Z to Y type at approximately the pH corresponding to half ionisation. Deposition on OUT strokes occurs for dynamic contact angles < 90-degrees and on IN strokes for angles > 90-degrees and is consistent with a hypothesis of Bikerman.
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页码:36 / 38
页数:3
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