Peptidoglycan-inspired autonomous ultrafast self-healing bio-friendly elastomers for bio-integrated electronics  

作　　者：Luzhi Zhang Jiahui Liang Chenyu Jiang Zenghe Liu Lijie Sun Shuo Chen Huixia Xuan Dong Lei Qingbao Guan Xiaofeng Ye Zhengwei You 

机构地区：[1]State Key Laboratory for Modification of Chemical Fibeis and Polymer Materials,Shanghai Belt,Road Joint Laboratory of Advanced Fiber and Low-dimension Materials,College of Materials Science and Engineering,Donghua University,Shanghai 201620,China [2]Department of Cardiac Surgery,Ruijin Hospital,Shanghai Jiao Tong University School of Medicine,Shanghai 200025,China

出　　处：《National Science Review》2021年第5期125-134,共10页国家科学评论（英文版）

基　　金：supported by the National Natural Science Foundation of China(21991123,21574019,21304015 and81671832);the Natural Science Foundation of Shanghai(20ZR1402500 and 18ZR1401900);the Shanghai Belt and Road Joint Laboratory of Advanced Fiber and Low-dimension Materials(Donghua University)(18520750400);the Fundamental Research Funds for the Central Universities;DHU Distinguished Young Professor Program(LZA2019001);Graduate Student Innovation Fund of Donghua University(CUSF-DH-D-2020037);the Shanghai Municipal Key Clinical Specialty Construction Project(shslczdzk01702);the Science and Technology Commission of Shanghai(17DZ2260100)。

摘　　要：Elastomers are essential for stretchable electronics,which have become more and more important in bio-integrated devices.To ensure high compliance with the application environment,elastomers are expected to resist,and even self-repair,mechanical damage,while being friendly to the human body.Herein,inspired by peptidoglycan,we designed the first room-temperature autonomous self-healing biodegradable and biocompatible elastomers,poly(sebacoyl 1,6-hexamethylenedicarbamate diglyceride)(PSe HCD)elastomers.The unique structure including alternating ester-urethane moieties and bionic hybrid crosslinking endowed PSeHCD elastomers superior properties including ultrafast self-healing,tunable biomimetic mechanical properties,facile reprocessability,as well as good biocompatibility and biodegradability.The potential of the PSeHCD elastomers was demonstrated as a super-fast self-healing stretchable conductor(21 s)and motion sensor(2 min).This work provides a new design and synthetic principle of elastomers for applications in bio-integrated electronics.

关 键 词：biomimetic elastomers ultrafast self-healing bio-integrated electronics stretchable conductor 

分 类 号：TQ334[化学工程—橡胶工业]