自愈水凝胶
材料科学
水下
肿胀 的
粘附
膨胀
纳米技术
聚合物
复合材料
高分子化学
海洋学
地质学
作者
Siying Wang,Jingying Liu,Leichen Wang,Hao Cai,Qian Wang,Wenjun Wang,Jinjun Shao,Xiaochen Dong
标识
DOI:10.1002/admt.202201477
摘要
Abstract Wearable devices, biomaterials, and tissue engineering have all gained from the development of flexible materials. Hydrogels are made up of the polymer matrix in an amount of water and are now being explored extensively. Ascribed to their high hydrophilicity, conventional hydrogels are difficult to deal with high humidity, being easily swell and even decompose. The utilization of hydrogel underwater is influenced by two key factors: the hydrogel absorbs water and swells easily to depress the mechanical characteristics, and the hydration layer at the contact interface also prevents the hydrogel from making close contact with the target surface, preventing conformal and accurate smart perception. So far, many researchers have proposed satisfying improvements for underwater applications from these two perspectives. This review first summarizes the general mechanisms of underwater adhesion hydrogels. Then, various anti‐swelling strategies of the reported hydrogel are described. Finally, the existing challenges and prospects of underwater adhesion and anti‐swelling hydrogels are provided.
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