有机硅自修复材料  

Silicone Self-Healing Materials

作　　者：程龙 于大江 尤加健 龙腾[1] 陈素素 周传健[1,3] Long Cheng;Dajiang Yu;Jiajian You;Teng Long;Susu Chen;Chuanjian Zhou(School of Materials Science and Engineering,Shandong University,Jinan 250061,China;Key Laboratory of Special Functional Aggregated Materials,Ministry of Education,Jinan 250061,China;Shandong Meichen Ecology & Environment Co.,Ltd.,Zhucheng 262200,China)

机构地区：[1]山东大学材料科学与工程学院,济南250061 [2]山东美晨生态环境股份有限公司,诸城262200 [3]特种功能聚集体材料教育部重点实验室,济南250061

出　　处：《化学进展》2018年第12期1852-1862,共11页Progress in Chemistry

基　　金：山东省优秀中青年科学家科研奖励基金(No.BS10CL026)资助.

摘　　要：有机硅自修复材料在可穿戴装备、智能涂层等领域有广泛应用。本文分别从外援型和本征型两大类介绍了有机硅自修复材料的特点、修复机理和最新研究进展。在外援型有机硅自修复材料中,主要介绍了利用光引发自由基反应、缩合固化、硅氢加成等有机硅特异性反应实现自修复。在本征型有机硅自修复材料中介绍了利用Diels-Alder反应、酰腙键、酯键、Schiff base结构等可逆化学反应,金属-配体配位作用以及氢键、π-π堆叠作用等超分子作用,实现自修复功能的途径及特点;除此之外还介绍了最小化表面自由能、巯基与纳米银之间的键合作用和重构反应等有机硅自修复实例。最后,本文指出了有机硅自修复材料面临的问题并对今后的发展方向进行了展望。Silicone self-healing materials are widely used in wearable equipment, smart coatings and other fields. In this review, we detail the self-healing properties, mechanism and latest research progress for both extrinsic and intrinsic silicone self-healing materials. In the section of extrinsic silicone self-healing materials, a variety of silicone-specific reactions, including light-induced radical reaction, condensation curing and hydrosilylation, that have been exploited to achieve self-healing properties are discussed. Similarly, mechanisms to achieve intrinsic self-healing through reversible chemical reactions, metal-ligand coordination, supramolecular interaction and other methods are described in the following section, as well as their properties. To be more specific, reversible chemical reactions could be divided into Diels-Alder reaction, acylhydrazone bonds, ester bonds and Schiff-base bonds, while supramolecular interactions consist of hydrogen bonding and π-π stacking. Besides, some other self-healing systems such as minimizing surface free energy, thiol-silver nanoparticles interaction and reconstruction reaction are introduced. Based on the review, a brief appraisal of the challenges and orientation for future developments in this field is presented.

关 键 词：有机硅材料 自修复 外援型 本征型 

分 类 号：O641.3[理学—物理化学] TQ324.21[理学—化学]