维普中文期刊产品整合服务

Molecular movements of trehalose inside a single network enabling a rapidly-recoverable tough hydrogel

查看全文 作　　者：Xiaowen [1]Huang;Jimin [2]Fu;Huiyan [1]Tan;Yan [1]Miu;Mengda [1]Xu;Qiuhua [1]Zhao;Yujie [2]Xie;Shengtong [3]Sun;Haimin [2,4]Yao;Lidong [1]Zhang 高影响力作者 机构地区：[1]School of Chemistry and Molecular Engineering,East China Normal University,Shanghai,China;[2]Department of Mechanical Engineering,the Hong Kong Polytechnic University,Hong Kong SAR,China;[3]State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,College of Chemistry,Chemical Engineering and Biotechnology,Center for Advanced Low-dimension Materials,Donghua University,Shanghai,China;[4]The Hong Kong Polytechnic University Shenzhen Research Institute,Shenzhen,China高影响力机构 出　　处：《International Journal of Smart and Nano Materials》索引2022年第13卷第4期,共22页高影响力期刊 基　　金：This work was supported by the National Natural Science Foundation of China[51873064,51603068,11772283];Natural Science Foundation of Shanghai[20ZR1418200,17ZR1440600]. 摘　　要：It remains a challenge to achieve rapidly recoverable hydrogels by molecular hydrogen-bonding interaction because of its slow inter-action kinetics.This work for the first time reports a trehalose(Tre)-based molecular movement mechanism inside a single network of polyacrylamide(PAM)that accelerates the kinetics of hydrogenbonding interaction,and thereby endows the hydrogel with high toughness and rapid shape and mechanical recoverability.The resultant PAM@Tre hydrogel is capable of full shape recovery after 10,000 loading/unloading cycles at a strain of 500%.Even after being stretched at a strain of 2500%,it can recover to its original shape within 10 seconds.Moreover,the molecular movement of trehalose also endows the PAM@Tre hydrogel with fracture energy and toughness as high as~9000 J m^(-2) and~1600 kJ m^(-3),respec-tively,leading to strong resistance to both static and dynamic piercing.The PAM@Tre hydrogel is thus believed to have enormous potentials in protection devices,bionic skin,soft actuator,and stretchable electronics. 关 键 词：molecular motility highly recoverable tough hydrogels puncture resistance molecular dynamics simulation
相关文献

参考文献(38)

引证文献(2)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费