摘要
纤维素基复合水凝胶由于其生物相容性好、可生物降解以及吸附性能优异,成为重金属离子吸附研究的热点材料。探讨了纤维素基复合水凝胶的多种制备方法,包括物理交联法、化学交联法、辐照聚合法及自组装法,并分析了这些方法对水凝胶结构和性能的影响。综述了该类水凝胶对不同重金属离子的吸附性能,重点关注了吸附容量、选择性及影响吸附的关键因素。探讨了纤维素基复合水凝胶的主要吸附机制,如静电相互作用、络合作用及离子交换等,并评估了其循环利用性能。对未来研究方向进行了展望,指出优化水凝胶结构和吸附机制对于提升其实际应用效能具有重要意义。
Owing to their good biocompatibility,biodegradability,and excellent adsorption performance,cellulose-based composite hydrogels have become a focal material in the study of heavy metal ion adsorption.Various preparation methods of cellulose-based composite hydrogels are discussed,including physical crosslinking,chemical crosslinking,radiation polymerization,and self-assembly,and their effects on the structure and performance of hydrogels are analyzed.The adsorption performance of these hydrogels for different heavy metal ions is reviewed,with a focus on adsorption capacity,selectivity,and key factors influencing adsorption.The main adsorption mechanisms of cellulose-based composite hydrogels are explored,such as electrostatic interaction,coordination,and ion exchange,and evaluates their recyclability.Future research directions are discussed,emphasizing the importance of optimizing hydrogel structure and adsorption mechanisms to enhance practical application efficiency.
作者
赵梅红
张丁丁
郭天飞
刘树博
杨帆
郭文慧
ZHAO Meihong;ZHANG Dingding;GUO Tianfei;LIU Shubo;YANG Fan;GUO Wenhui(Isotope Institute Co.,Ltd.,Henan Academy of Sciences,Zhengzhou 450015,China)
出处
《河南化工》
2025年第9期6-11,共6页
Henan Chemical Industry
基金
河南省科学院辐射新材料创新团队(20230111)。
关键词
纤维素基
复合水凝胶
重金属离子
吸附
cellulose-based
composite hydrogel
heavy metal ions
adsorption
