摘要
纳米填料在改善传统聚合物水凝胶力学强度方面展现出显著的优点。石墨烯(GN)及其衍生物作为新型碳纳米材料,是目前制备纳米复合水凝胶的研究热点。重点介绍了GN及氧化石墨烯(GO)基复合水凝胶的制备方法,以及GN/GO对传统水凝胶力学性能、溶胀性能、导电性能及吸附性能改善方面的研究进展及应用,最后展望了其改性传统水凝胶的发展方向及潜在应用。
Nanoparticles exhibit unique advantage in significantly improving the combination properties of traditional polymer hydrogel.Graphene(GN)and its derivatives,as new carbon nanomaterials,have attracted considerable attention on the field of inorganic nanocomposite hydrogels.In this paper,the preparation methods of polymer hydrogel filled with GN and graphene oxide(GO)were introduced.Additionally,the research progress of improving mechanical performance,swelling ratio,electrical conductivity and absorption properties of traditional hydrogels through hybridization with GN/GO nanosheets reinforcement is reviewed.A positive development direction in fantastic future and potential applications of the modified GN/GO in hydrogels are also pointed out.
关键词
石墨烯
纳米复合水凝胶
力学强度
溶胀率
吸附性能
graphene
nanocomposite hydrogels
mechanical strength
swelling ratio
absorption properties