Simultaneous Segment Orientation and Anchoring for Robust Hydrogel Coating with Underwater Superoleophobicity
ADVANCED FUNCTIONAL MATERIALS(2024)
摘要
Underwater adhesive superoleophobic coatings are in high demand for underwater activities. However, hydrogel coatings have limited adhesiveness for long periods. In this work, a novel approach is presented that employs synergistic segment orientation and covalent anchoring strategies to fabricate superoleophobic hydrogel coatings on different substrates without prior surface treatments. The coating demonstrated remarkable long-lasting superoleophobic properties even in extreme underwater environments. It also exhibited strong adhesion with a shear strength of up to 5 MPa and antiswelling and antibiofouling properties, making it highly effective for applications in antiliquid adhesion, crude oil self-cleaning, and antibiofouling. The simplicity, ease of preparation, and exceptional performance of the hydrogel coating provide a notable example for the synergistic segment orientation and covalent anchoring of hydrogel-based underwater coatings. Therefore, this study provides a new paradigm for designing straightforward surface-functional materials. This work describes a novel approach that employs synergistic segment orientation and covalent anchoring strategies to fabricate superoleophobic hydrogel coatings on different substrates without prior surface treatments. The coating exhibits good adhesion, antiswelling, and antifouling properties, providing a new paradigm for designing straightforward surface-functional materials. image
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关键词
antibiofouling,hydrogel coatings,segment orientation,strong substrate adhesion,underwater superoleophobicity
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