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作 者:文梦娟 张平[1] 陶雯雯[1] 石月荣[1] 赵义平[1] WEN Meng-juan ZHANG Ping TAO Wen-wen SHI Yue-rong ZHAO Yi-ping(School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, Chin)
机构地区:[1]天津工业大学材料科学与工程学院,天津300387
出 处:《广州化工》2017年第7期20-22,共3页GuangZhou Chemical Industry
基 金:高等学校博士学科点专项科研基金(No:20121201110003和20121201120005);天津市应用基础与前沿技术研究计划项目(No:14JCTPJC00515和15JCYBJC17900)
摘 要:将不同分子量壳聚糖(CTS)与凹凸棒土(ATP)混合,采用水相反应和乳液反应两种方法,并进而利用戊二醛对其进行交联制备CTS/ATP复合材料。研究结果表明,相对乳液反应,水相反应对吸附具有积极作用。高分子量CTS复合后对镍离子吸附影响不大,而低分子量CTS与ATP复合后产生吸附协同作用,对镍离子吸附大幅度增加,且交联反应后对甲基橙的吸附效果较为明显。Chitosan (CTS) and attapulgite (ATP) was mixed by the methods of aqueous and emulsion phase reaction respectively and CTS/ATP composite was obtained with glutaraldehyde as crosslinking agent. The results showed that aqueous phase reaction had a positive effect to the adsorption, relative to the emulsion phase reaction. High molecular weight CTS had little effect on the adsorption. However, CTS with low molecular weight had synergistic effect, the adsorption of Ni2+was increased sharply and the adsorption to methyl orange was obvious with cross linking reaction.
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