聚乙烯吡咯烷酮/羧化壳聚糖水凝胶的制备及其理化性质的测定  

Preparation of Polyvinylpyrrolidone/Carboxylated Chitosan Hydrogel and Determination of Its Physical and Chemical Properties

作　　者：殷旭东[1] 程威[1] 杨晓虹[1] 孔云虹 

机构地区：[1]昆明学院生命科学与技术系,云南昆明650214

出　　处：《广东化工》2017年第22期45-46,63,共3页Guangdong Chemical Industry

基　　金：高等学校青年骨干教师项目资助

摘　　要：本文在室温和酸性条件下,通过聚乙烯吡咯烷酮(PVP)和羧化壳聚糖(CMC)在水溶液中的混合制备了PVP/CMC水凝胶,测定了其溶胀性能。并运用红外(IR)、差示扫描量热法(DSC)、扫描电子显微镜(SEM)等方法表征了PVP/CMC水凝胶的性质。结果表明,PVP/CMC水凝胶有较好的溶胀性能,为对pH和温度敏感的物理吸附水凝胶。In this work the polyvinylpyrrolidone/carboxylate chitosan hydrogels were prepared by mixing polyvinylpyrrolidone （PVP） and carboxylate chitosan （CMC） in aqueous solution under room temperature and acidic conditions. The swelling properties were determined. The physical and chemical properties of PVP/CMC hydrogels were studied by infrared （IR）, differential scanning calorimetry （DSC） and scanning electron microscopy （SEM）. It is show that PVP/CMC has good swelling properties and is sensitive to pH and temperature sensitive physical in situ hydrogels.

关 键 词：聚乙烯吡咯烷酮 壳聚糖 羧化壳聚耱 水凝胶 

分 类 号：TQ326.6[化学工程—合成树脂塑料工业]