Soft
silicone has been widely used for anti-icing coating, but
the ice adhesion strength is usually scaled with the iced area at
a relatively large thickness. On the other hand, a thin rigid poly(vinyl
chloride) (PVC) film could be independent of the iced area and was
named a low-interfacial-toughness material. Thus, a soft and rigid
integrated (SRI) coating was prepared by doping PVC particles into
a silicone matrix here. The introduction of PVC particles not only
served as phase II to accelerate the stress concentration but also
favored the formation of a wrinkle structure. After further introducing
plasticizers, this SRI coating not only has a very low ice adhesion
strength at a low iced length but also tends to a limit value irrespective
of the iced length, which further leads to excellent large-area deicing
behavior. Furthermore, the SRI coating demonstrated outstanding chemical
stability, mechanical robustness, and on-field repairability.
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