Journal
COLLOID JOURNAL
Volume 84, Issue 4, Pages 411-415Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1061933X22040068
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Funding
- Russian Science Foundation [21-13-00293]
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The macroscopic theory of van der Waals forces was employed to calculate the disjoining pressure isotherms for silicone oil and perfluorodecalin films on silica substrates. The analysis allowed estimation of the ranges of stable oil film thicknesses applicable as water-repellent slippery coatings.
The macroscopic theory of the van der Waals forces has been used to calculate disjoining pressure isotherms for silicone oil and perfluorodecalin films on silica substrates. Both hydrophilic substrates and substrates hydrophobized with Teflon or polystyrene layers of different thicknesses have been considered. The performed analysis has made it possible to estimate the ranges of thicknesses of stable oil films applicable as water-repellent slippery coatings.
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