淀粉接枝丙烯酸高吸水树脂的生物降解性能研究  

Study on biodegradation of starch graft sodium acrylate superabsorbent

作　　者：赵妍嫣[1] 姜绍通[1] 

机构地区：[1]合肥工业大学生物与食品工程学院,安徽合肥230009

出　　处：《合肥工业大学学报（自然科学版）》2009年第6期841-844,共4页Journal of Hefei University of Technology：Natural Science

基　　金：安徽省"十五"科技攻关计划资助项目(01703003)

摘　　要：文章对淀粉接枝丙烯酸高吸水树脂的生物降解性能进行了研究。采用无机盐平板法考察了黑曲霉、米曲霉、地衣芽孢杆菌和枯草芽孢杆菌对高吸水树脂的降解作用,探讨了温度、pH值对降解过程的影响,分析了降解率与淀粉酶活、接枝率的关系。结果表明,黑曲霉、米曲霉对树脂的降解率大于树脂的未接枝率,淀粉接枝丙烯酸高吸水树脂具有较好的生物降解性能。The superabsorbent of starch graft sodium acrylate was synthesized and its biodegradation was investigated by using the samples incubated with Aspergillus niger, Aspergillus oryzae, Bacillus Subtilis and Bacillus licheniformis. The effect of temperature and pH value on the biodegradable process was analyzed, and the relationships of the mass loss with the degree of grafting and the starch enzyme activity were discussed. The result shows that inherent biodegradability was higher than the ungrafting ratio of the starch on the polymer, and the graft copolymer showed higher biodegradable properties.

关 键 词：高吸水树脂 生物降解 降解率 接枝率 

分 类 号：TQ322.4[化学工程—合成树脂塑料工业]