丝素蛋白/丙烯酸/丙烯酰胺吸水材料的制备和表征  

Synthesis and Characterization of Silk Fibroin/Acrylic Acid/Acrylamide Superabsorbent Polymer

作　　者：汪琦翀[1] 朱良均[1] 闵思佳[1] 张海萍[1] 林蓉[1] 王琳婷[1] 邓连霞[1] 

机构地区：[1]浙江大学应用生物资源研究所,浙江杭州310029

出　　处：《高分子材料科学与工程》2010年第9期128-131,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(30771633);浙江省优先主题项目(2007C13043)

摘　　要：以具有良好生物分解性能的丝素蛋白(SF)为原料,与丙烯酸(AA)和丙烯酰胺(AM)在水溶液中接枝共聚,合成了丝素蛋白/丙烯酸/丙烯酰胺吸水材料(SF/AA/AM)。通过探讨合成条件对吸水材料吸水倍率的影响,得到较合适的配比参数。SF/AA/AM吸水材料在去离子水、自来水和0.9%NaCl溶液中的吸水倍率分别为220g/g～308g/g,135g/g～210g/g,24.3g/g～34.8g/g。红外吸收光谱显示丝素蛋白与丙烯酸和丙烯酰胺发生了很好的聚合。扫描电镜显示了吸水材料表面沟棱交错,吸水比表面增加。Silk fibroin is a kind of biodegradable macromolecule protein. A novel SF/AA/AM superabsorbent polymer was prepared by graft copolymerization with silk fibroin （SF）,acrylic acid （AA） and acrylamide （AM） in aqueous solutions,Various effects of synthesis conditions on water absorbency were discussed and the optimal reaction condition was obtained. The absorbency of SF/AA/AM superbabsorbent polymer in deionized water,tap water and 0.9% NaCl solution is 223 g/g～296 g/g,135 g/g～208 g/g,24.3 g/g～33.4 g/g,respectively. The IR spectrum shows silk fibroin grafts well with acrylic acid and acrylamide. The surface morphology of SF/AA/AM superabsorbent polymer has been studied by SEM micrographs.This study is expected to present references to farther research on biodegradable superabsorbent polymer.

关 键 词：丝素蛋白 丙烯酸/丙烯酰胺 吸水材料 吸水倍率 结构 

分 类 号：O636.9[理学—高分子化学]