材料科学
弹性体
胶粘剂
单体
离子液体
水溶液
丙烯酸酯
化学工程
硼
离子键合
粘附
高分子化学
基质(水族馆)
聚合物
复合材料
有机化学
图层(电子)
离子
化学
工程类
地质学
催化作用
海洋学
作者
Qingning Li,Sijie Zheng,Ziyang Liu,Weizheng Li,Xiaowei Wang,Qiang Cao,Feng Yan
标识
DOI:10.1002/adma.202413901
摘要
Abstract Adhesion in aqueous environments is often hindered by the water layer on the surface of the substrate due to the water sensitivity of the adhesive, greatly limiting the application environment. Here, a borate ester dynamically crosslinked poly(ionic liquid) elastomer adhesive (PIEA) with high strength, toughness, self‐healing abilities, and ionic conductivity is synthesized by copolymerizing hydrophobic ionic liquid monomer ([HPVIm][TFSI]) and 2‐methoxyethyl acrylate (MEA). The adhesion strength of PIEA can increase spontaneously from almost no adhesion to 314 kPa after 12 h without any external preloading due to the dissociation of the borate ester in water, leading to noncovalent interactions between the hydroxyl groups of PIEA and the substrate. Additionally, PIEA can be developed for soft sensors or ion electrodes to enable underwater detection and communication. This strategy offers broad application potential for the development of novel underwater smart adhesives.
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