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作为一种高分子智能材料,自愈合凝胶在解决软材料损伤修复以及凝胶-生物体组织之间的界面接口问题,实现软材料智能化、高效化和环境友好化具有重要意义.近年来利用动态建构化学的基本原理,通过动态非共价键、可逆动态共价键相互作用,设计了一系列具有良好自愈合性能的新型凝胶材料.本文以物理型和化学型动态自愈合凝胶为例,综述了自愈合凝胶的分子设计思路、性能,并分析了影响自愈合性能因素,并对其未来的发展进行了展望.
As a kind of polymer intelligent material, self-healing gel is of great importance in solving the problem of soft material damage repair and interface between gel and biological tissues, and realizing the intelligent, efficient and environmentally friendly soft material.In recent years, A series of novel gel materials with good self-healing properties were designed by using dynamic non-covalent bond and reversible dynamic covalent bond interaction.In this paper, physical and chemical dynamic self-healing Heterogel as an example, the self-healing gel molecular design ideas, performance, and analysis of the factors affecting the self-healing properties, and its future development prospects.