论文部分内容阅读
以环氧氯丙烷作为化学交联剂,在碱性均相纤维素溶液中,将β-环糊精接枝到微晶纤维素上,合成了接枝β-环糊精的功能性纤维素基水凝胶。研究了水凝胶的溶胀动力学和温敏性能,发现该水凝胶对温度敏感。考察了该水凝胶对甲基橙、亚甲基蓝的吸附性能,实验结果表明,接枝β-环糊精的纤维素基水凝胶对甲基橙和亚甲基蓝具有很好的吸附效果,其吸附容量分别达到3.48mg/g、1.42mg/g,其脱附性能也较好。并运用差热扫描(DSC)、热重(TGA)和扫描电镜(SEM)对该水凝胶进行分析。
Using epichlorohydrin as a chemical crosslinking agent, β-cyclodextrin was grafted onto microcrystalline cellulose in a basic homogeneous cellulose solution to synthesize functional cellulose grafted with β-cyclodextrin Hydrogel. The swelling kinetics and thermo-sensitive properties of hydrogels were investigated. The hydrogels were found to be sensitive to temperature. The adsorption properties of the hydrogel on methyl orange and methylene blue were investigated. The experimental results show that the cellulose based hydrogel grafted with β-cyclodextrin has good adsorption effect on methyl orange and methylene blue, and the adsorption capacity Respectively, reached 3.48mg / g, 1.42mg / g, its desorption performance is better. The hydrogels were analyzed by differential scanning calorimetry (DSC), thermogravimetry (TGA) and scanning electron microscopy (SEM).