Schiff‐base‐functionalized polymeric hydrogel with high stretchability and multifunction
Schiff‐base‐functionalized polymeric hydrogel with high stretchability and multifunction
复制标题
希夫碱功能化聚合物水凝胶,具有高拉伸性和多功能性
DOI:
10.1002/pat.5225
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发表时间:
2021-01
影响因子:
3.4
通讯作者:
Jinqing Qu
中科院分区:
文献类型:
--
作者:
Shanshan Liao;Liuyan Tang;Jinqing Qu
Here we report a novel salicylaldehyde‐based Schiff‐base‐functionalized polymeric hydrogel (SSb‐hydrogel) with excellent stretchability, temperature responsiveness, self‐healing property, and adjustable fluorescence intensity. The SSb‐hydrogel was obtained by a one‐pot micellar copolymerization of acrylamide (AAm),N‐isopropylacrylamide (NIPAM), and a hydrophobic cross‐linking agent (AVIMP). The three‐dimensional network of SSb‐hydrogel was formed by the chemical cross‐linking of AVIMP and the hydrophobic interaction between AVIMP molecules. The SSb‐hydrogel was able to stretch up to 1900% of its original length without fracture, and its transparency was adjustable by temperature. This hydrogel also had tunable fluorescence controlled by Zn2+/EDTA, and its fluorescence increased by 640% with 0.1 M Zn2+. Its fluorescence property enabled us to write on its surface repeatedly. This highly stretchable and multifunctional SSb‐hydrogel has potential applications in temperature‐sensitive materials, information transmission, and soft sensors.
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