Troubleshooting of surface free energy acid-base theory applied to solid surfaces: The case of Good, van Oss and Chaudhury theory

被引:0
|
作者
Della Volpe, C [1 ]
Siboni, S [1 ]
机构
[1] Univ Trent, Dept Mat Engn, I-35080 Trento, Italy
关键词
contact angle; acid-base surface free energy; Good-van Oss-Chaudhury theory;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The Good-van Oss-Chaudhury acid-base theory applied to the calculation of solid surface free energy components has a mathematical nucleus whose correct use has important effects on its results; in particular, one needs to develop an appropriate reference scale to compare the acidic and basic components. In the present paper the mathematical properties of the equation system expressing the theory are fully analysed and their consequences from both theoretical and practical points of view are shown. A critical analysis of the most common literature misunderstandings about the theory is performed and some proposals for the choice of a new and proper scale of acid-base strength are made.
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页码:55 / 90
页数:36
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