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    Highly Stable Amphiphilic Organogel with Exceptional Anti-icing Performance

    Year: 2019

    Journal: ACS Appl. Mater. Interfaces, Volume 11, APR 3, page 12838–12845

    Authors: Yu, Yanni; Jin, Biyu; Jamil, Muhammad Imran; Cheng, Dangguo; Zhang, Qinghua; Zhan, Xiaoli; Chen, Fengqiu

    Organizations: National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [21676248, 21576236, 21878267]

    Keywords: anti-icing; ice adhesion; amphiphilic; organogel; synergistic

    Various organogel materials with either a liquid or solid surface layer have recently been designed and prepared. In this work, amphiphilic organogels (AmOG) are innovatively developed from copolymer P(PDMS-r-PEG-r-GMA) and 2,2'-diaminodiphenyldisulfide via epoxy group addition reaction and then infiltrated with amphiphilic lubricants instead of traditional hydrophilic or hydrophobic lubricants. Because of synergistic effects of hydrophilic and hydrophobic segments of amphiphilic lubricants, the AmOG surfaces showed high stability and excellent anti-icing performance. The delay in the freezing point of water was 1000 s on AmOG surfaces, which is 40 times longer as compared to the untreated hydrophilic glass surface. More importantly, low ice adhesion strength (15.1 kPa) was observed on AmOG which remained about 40 kPa even after 20 icing deicing cycles. The novel amphiphilic organogels provide a new idea to prepare long-term anti-icing materials for practical applications.
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