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介绍了响应型微凝胶的分类与特点;综述了pH响应型聚合物微凝胶的研究现状;归纳了其合成方法包括乳液聚合、阴离子共聚合、临近高分子链相互交联和反相微乳聚合等;阐述了其相变动力学;分析了其稳定性;总结了其优异性能;指出了其在生物软组织修复、药物传输、可注射凝胶填充物等领域的应用前景。
The classification and characteristics of the responsive microgels are introduced. The current research status of the pH responsive polymer microgels is reviewed. The synthesis methods are summarized, including emulsion polymerization, anionic copolymerization, cross-linking of adjacent polymer chains, Emulsion polymerization and so on. The kinetics of phase transformation was expounded. Its stability was analyzed. Its excellent properties were summarized. Its application prospects in the fields of bio-soft tissue repair, drug delivery and injectable gel filling were pointed out.