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    Effects of hydrophobicity and lubricant characteristics on anti-icing performance of slippery lubricant-infused porous surfaces

    Year: 2019

    Journal: J. Ind. Eng. Chem., Volume 69, JAN 25, page 99–105

    Authors: Thanh-Binh Nguyen; Park, Seungchul; Jung, Youngdo; Lim, Hyuneui

    Organizations: National Research Foundation of Korea (NRF) - Ministry of Science, ICT, and Future Planning [NRF-2017M3C1B7014218]; Korea Institute of Machinery and Materials (Basic Research Program), Republic of Korea [NK211B]; Republic of Korea

    Keywords: Anti-icing; SLIPS; Hydrophobicity of substrate; Lubricant; Spreading coefficient

    Anti-icing properties were investigated in terms of adhesion force on slippery lubricant-infused porous surfaces with several lubricants. Initial wetting state of substrate and lubricant characteristics were verified in anti-icing performance. Superhydrophobicity of porous substrate under lubricant intervening layer was effective to reduce adhesion force in anti-icing. The relationships between adhesion force and lubricant characteristics including viscosity, density, and surface tension were analyzed but no correlation was found. Interfacial surface tension exhibited a relatively negative correlation with adhesion strength. However, spreading coefficient of liquid-liquid interface was found to be the most important factor in determining lubricant when designing icephobic surfaces. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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