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Self-healing hyperbranched polytriazoles prepared by metal-free click polymerization of propiolate and azide monomers

查看全文 作　　者：Xin [1]Wang;Rongrong [1]Hu;Zujin [1]Zhao;Anjun [1]Qin;Ben Zhong [1,2]Tang 高影响力作者 机构地区：[1]Guangdong Innovative Research Team, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology;[2]Department of Chemistry, Hong Kong Branch of National Engineering Research Center for Tissue Restoration & Reconstruction,The Hong Kong University of Science & Technology, Clear Water Bay高影响力机构 出　　处：《Science China Chemistry》索引2016年第59卷第12期,共7页高影响力期刊 基　　金：supported by the National Natural Science Foundation of China(21525417,21490571,21222402);the key project of the Ministry of Science and Technology of China(2013CB834702);the National Program for Support of Top-Notch Young Professionals,the Fundamental Research Funds for the Central Universities(2015ZY013);the Innovation and Technology Commission of Hong Kong(ITC-CNERC14SC01);support from Guangdong Innovative Research Team Program(201101C0105067115) 摘　　要：The last decade has witnessed the quick develop of self-healing materials. As a newborn strategy, the alternative of irreversible covalent bond formation is, however, to be further developed. In this paper, self-healing hyperbranched poly(aroxycarbonyltriazole)based on such mechanism were prepared by our developed metal-free click polymerization of simplified dipropiolate and triazide. Thanks to their excellent processability and film-forming ability, high quality homogeneous films free from defects were obtained by casting. The cut films could be healed by stacking or pressing the halves together at room temperature and elevated temperature. Thus, this design concept for self-healing materials should be generally applicable to other hyperbranched polymers with reactive groups on their peripheries. 关 键 词：SELF-HEALING hyperbranched polytriazole 没有金属的按聚合 电影
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