Affiliation:
1. Renmin University of China
Abstract
This work focused on the analysis of static forces of a Cu particle in CO2-based micelle solutions with different surfactant, including fluorinated surfactants PFPE COO-NH4+, 8FS(EO)2and hydrocarbon surfactants L31, DiF8-PO4-Na+. Calculations demonstrated that high pressure could impose enough capillary pressure effect beneath a particle to compete with the net adhesion force and increase the particle surface separation distance. The ESD for the micelle solutions had the similar behavior, otherwise, the value of NAF for the micelle solution with surfactant DiF8-PO4-Na+ had the minimum relative to other surfactant micelle solutions, suggesting that Cu particles would be more easily removed in micelle solution with DiF8-PO4-Na+ surfactant.
Publisher
Trans Tech Publications, Ltd.
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