耐盐性淀粉基高吸水凝胶是一类将淀粉与亲水性单体接枝共聚合成的水凝胶,具有较好的生物可降解性、生物相容性和较高的盐溶液吸收量,在土壤改性、卫生用品和水处理等领域具有广阔的应用前景。综述了耐盐性淀粉基高吸水凝胶材料研究现状与动态,归纳了提高水凝胶耐盐性不同途径与方法,介绍了淀粉基高吸水凝胶应用研究进展,讨论了现今耐盐性淀粉基高吸水凝胶材料研究存在的问题与不足,并对这种材料发展趋势进行展望,指出对淀粉进一步改性,研究复合材料吸水机理,合成过程中对单体进一步调控,完善凝胶三维网络结构对吸水性能的影响理论和更深入研究将成为下一步的研究重点。
Salt-tolerant starch-based superabsorbent hydrogels,a type of hydrogels which synthesized by graft copolymerization of starch and hydrophilic monomer.They have broad application prospects in the fields of soil modification,sanitary products,water treatment and many other fields because of their excellent biodegradability,biocompatibility and high absorption of salt solution.The research status and trends of the hydrogels were reviewed,and summarized different approaches and methods to improve the salt tolerance of the hydrogels.Furthermore,the application research progress of the hydrogels was expounded,and discussed the existing problems and deficiencies in the research.The development trend of this material was prospected.It was pointed out that the further modification of starch,the study of the water absorption mechanism of composite materials,the further regulation of monomers in the synthesis process,the theoretical perfection and further research on the effect of 3D network structure on water absorption will be the focus of the future research.
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基金资助
广西生物多糖分离纯化及改性研究平台建设(桂科ZY18076005);国家级大学生创新创业训练计划项目(202210608133)
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