pH敏感聚甲基丙烯酸水凝胶的合成及性能研究  

The study on the preparation and property of pH-sensitive PMAA hydrogel

作　　者：单连海[1] 张志斌[1] 魏靖明[1] 林松[1] 刘胜攀[1] 

机构地区：[1]西南交通大学生物工程学院

出　　处：《西南民族大学学报（自然科学版）》2008年第3期518-521,共4页Journal of Southwest Minzu University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(50573061);四川省应用基础研究项目(07JY029-065);西南交通大学科学研究基金资助项目(2006B52).

摘　　要："智能"高分子水凝胶是一类对于外界环境微小的物理和化学刺激(如:温度、pH等),其自身性质会发生明显改变的聚合物,具有传感、处理和执行功能,以及在医药与生物工程中具有良好的应用和发展前景.通过本实验,本文对PMMA凝胶的纯化,以及引发剂、交联剂用量对于凝胶的溶胀性能的影响进行了研究.“Intelligent” polymer hydrogels are those polymers which could respond with large property changes to small physical or chemical stimulations such as temperature and pH, and could perform sensing, processing and actuating functions. “Intelligent”polymer hydrogels have a good application to medicines and biotechnology and heir promising potentiality of development.The text investigates the purification of PMMA gels, and the effect of amount of initiator and crosslinking agent on gels swelling characteristics is also researched by experiment.

关 键 词：聚甲基丙烯酸 PH敏感性 溶胀比 

分 类 号：R318.08[医药卫生—生物医学工程]