Improved Icephobic Properties on Surfaces with a Hydrophilic Lubricating Liquid
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- 16 September 2015
- journal article
- research article
- Published by American Chemical Society (ACS) in ACS Applied Materials & Interfaces
- Vol. 7 (39), 22067-22077
- https://doi.org/10.1021/acsami.5b07265
Abstract
Slippery liquid-infused porous surfaces were developed recently for icephobic surface applications. Perfluorinated liquids, silicone oil, hydrocarbon, and water were used as lubricating liquids to form a continuous layer on a suitable substrate to prevent icing. However, ice accretion performances of these surfaces have not been reported previously depending on the type of the lubricant. In this work, fluorinated aliphatics, polyalphaolefin, silicone oil, and decamethylcyclopenta siloxane were used as hydrophobic lubricants; water, ethylene glycol, formamide, and water–glycerine mixture were used as hydrophilic lubricants to be impregnated by hydrophobic polypropylene and hydrophilic cellulose-based filter paper surfaces; ice accretion, drop freezing delay time, and ice adhesion strength properties of these surfaces were examined; and the results were compared to those of the reference surfaces such as aluminum, copper, polypropylene, and polytetrafluoroethylene. An ice accretion test method was also developed to investigate the increase of the mass of formed ice gravimetrically by spraying supercooled water onto these surfaces at different subzero temperatures ranging between −1 and −5 °C. It was determined that hydrophilic solvents (especially a water–glycerine mixture) that impregnated hydrophilic porous surfaces would be a promising candidate for anti-icing applications at −2 °C and 56–83% relative humidity because ice accretion and ice adhesion strength properties of these surface decreased simultaneously in these conditions.Keywords
Funding Information
- Türkiye Bilimsel ve Teknolojik Araştırma Kurumu (112T813)
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