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  4. 温敏性PNIPAAm多孔水凝胶制备方法的研究进展

材料导报, 2010, 24(17): 62-70.

温敏性PNIPAAm多孔水凝胶制备方法的研究进展

杨桔 1, , 霍丹群 2, , 侯长军 3,

1.重庆大学生物工程学院生物力学与组织工程教育部重点实验室,重庆400044

2.重庆大学生物工程学院生物力学与组织工程教育部重点实验室,重庆400044

3.重庆大学生物工程学院生物力学与组织工程教育部重点实验室,重庆400044

基金项目:   国家863项目(2006AA04z349)   国家自然科学基金(30770568)   重庆市自然科学基金资助项目(2008AB2024;2008AC7037)  

关键词： 聚N-异丙基丙烯酰胺 , 温敏性 , 水凝胶 , 多孔结构 , 响应速率

Progress in the Preparation Methods of Thermosensitive Porous PNIPAAm Hydrogel

聚N-异丙基丙烯酰胺 (PNIPAAm)水凝胶由于其大分子侧链上同时含有亲水性的酰胺基和疏水性的异丙基而成为一种典型的温敏性水凝胶.但传统方法制备的PNIPAAm水凝胶对环境温度的响应速率非常慢,因而限制了它在相关领域的应用效果.为克服这一不足,将多孔结构引入PNIPAAm水凝胶是一种行之有效的方法.综述了近年来有关多孔PNIPAAm水凝胶的制备方法,如相分离法、模板法、致孔剂法、聚合物互穿网络法、冷冻聚合法等的研究进展及各自的优缺点.

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