Relationship between the Omniphobic Properties and the Swelling Degree of SLIPS Coatings Based on Polymer Gel Thin Films

The study addresses the relationship between the omniphobic properties of coatings based on polymer matrices doped with liquid lubricants (Slippery Liquid-Infused Porous Surfaces, SLIPS) and the degree of swelling of the matrices in the lubricant. A method for fabrication of matrices based on poly(p...

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Bibliographic Details
Published in:Doklady. Physical chemistry (1991) 2021-03, Vol.497 (1), p.28-33
Main Authors: Kazaryan, P. S., Kharitonova, E. P., Makaev, S. V., Gulin, A. A., Kondratenko, M. S.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Coatings
Contact angle
Ellipsometry
Lubricants
Lubricants & lubrication
Perfluoroalkyl & polyfluoroalkyl substances
Physical Chemistry
Polymer films
Polymer gels
Polymers
Swelling
Thermogravimetric analysis
Thin films
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Summary:The study addresses the relationship between the omniphobic properties of coatings based on polymer matrices doped with liquid lubricants (Slippery Liquid-Infused Porous Surfaces, SLIPS) and the degree of swelling of the matrices in the lubricant. A method for fabrication of matrices based on poly(perfluoroalkyl methacrylates) impregnated with fluorinated oils with different lubricant contents by one-stage synthesis in supercritical (SC) CO 2 is proposed. The dependence of the contact angle hysteresis and the sliding angle on the degree of swelling was studied for water and saturated hydrocarbon droplets. The lubricant content in the matrices was determined by thermogravimetric analysis and ellipsometry.
ISSN:0012-5016
1608-3121
DOI:10.1134/S0012501621030027