交联淀粉微球微波辅助反相乳液法合成及性能研究  

Synthesis in a microwave-assisted inversed emulsion system and adsorption performance of crosslinked starch microspheres

作　　者：潘建新[1] 林亲铁[1,2] 林亲录[2] 王文英[1] 

机构地区：[1]广东工业大学环境科学与工程学院,广州510006 [2]中南林业科技大学稻谷及副产物深加工国家工程实验室,长沙410004

出　　处：《环境化学》2013年第8期1532-1538,共7页Environmental Chemistry

基　　金：科技部科研院所技术开发研究专项资金(2012EG111121);环保部公益性行业科研专项(201109024);广州市污染防治新技术;新工艺开发项目;稻谷及副产物深加工国家工程实验室开放课题资助

摘　　要：以甲基紫吸附去除效率作为考核指标,研究了淀粉(ST)、交联剂N,N'-亚甲基双丙烯酰胺(MBAA)、引发剂(K2S2O8/NaHSO3)用量、聚合温度以及聚合反应时间等因素对微波辅助反相乳液法制备交联淀粉微球(CSM)的影响,利用傅里叶红外光谱仪(FT-IR)、电镜扫描仪(SEM)、比表面积分析仪等对CSM进行了表征,对比了优化条件下水浴和微波两种不同加热方式合成CSM的吸附效率.结果表明,MBAA成功与淀粉交联成类球状聚合物,聚合微球平均粒径约为9.253μm,聚合微球明显增加了微孔面积,微波加热合成的CSM对甲基紫的吸附率高于水浴加热合成的CSM.Crosslinked starch microspheres（CSM） were prepared in a microwave-assisted inversed emulsion system,using methyl violet（MV） as a targed compound,the influence of the CSM conditions of preparation,such as starch,cross-linking agent,initiator,polymerization temperature and polymerization time on MV removal efficiency was evaluated.The structure and morphology of starch microspheres were characterized by scanning electron microscope（SEM）,FT-IR spectroscopy and BET surface area measurement.In addition,the adsorption efficiency of starch microspheres prepared by microwave heating and water bath heating were compared.The results indicated that the starch was successfully cross-linked in near-spherical polymer with MBAA,and the average particle diameter was 9.2 μm.Compared with native starch,the polymer dramatically increased micro hole area.The adsorption efficiency of the polymer prepared by microwave heating for methyl violet was higher than that prepared by bath water heating.

关 键 词：淀粉微球 反相乳液 微波 交联 吸附 

分 类 号：TS236.9[轻工技术与工程—粮食、油脂及植物蛋白工程]