NVP共聚物水凝胶中吸附水的性能研究  

Study on the Properties of Water Adsorbed in NVP Copolymers Hydrogel

作　　者：崔亦华[1] 崔英德[2] 郭建维[1] 赵伟[1] 易国斌[1] 

机构地区：[1]广东工业大学轻工化工学院,广东广州510090 [2]仲恺农业技术学院,广东广州510225

出　　处：《高分子材料科学与工程》2007年第4期152-154,共3页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(29976007);广东省教育厅自然科学基金资助项目(Z02030)

摘　　要：以N-乙烯基吡咯烷酮、甲基丙烯酸羟乙酯及甲基丙烯酸丁酯为单体,共聚制备了两种水凝胶材料,并采用重量法和热失重法研究了这两种不同组成水凝胶对其吸附水性能的影响。研究结果表明:加入疏水性单体甲基丙烯酸丁酯,使水凝胶的交联度加大,改变了水凝胶的结构,水凝胶的吸水性及吸水速率下降,而保水性提高,即脱水速率减慢。Hydrogel was synthesized by copolymerization of N-vinylpyrrolidone, Hydroxyethylmethacrylate and butylmethacrylate. The properties of water adsorbed in the two different hydrogls was studied by the gravimetric and thermalmass loss analysis. The results show that butylmethacrylate increases crosslinkingdensity, changes the structure of hydrogel. Result in decreasing the water absorbency and water absorbent rate, while decreasing the dehydration rate, the water conserving properties are increased.

关 键 词：N-乙烯基吡咯烷酮 甲基丙烯酸丁酯 水凝胶 

分 类 号：TQ427.25[化学工程]