石墨烯关联材料包覆修饰高性能纤维的研究进展

Research Progress of Modification by Surface Coating on Fiber Using Graphene-related Materials

碳纳米管、石墨烯、氧化石墨烯等石墨烯关联纳米材料具有很高的强度、模量、韧性和很大的表面积,可用于充当复合材料的增强体或涂覆修饰纤维类增强体的表面。本文综述近年来采用石墨烯关联材料来修饰纤维,从而改善纤维强化复合材料中纤维和基体树脂之间界面性能的研究进展。首先概述碳纳米管、石墨烯、氧化石墨烯3种碳纳米材料的性能和应用,然后分别介绍他们在碳纤维和玻璃纤维表面的几种修饰方法,阐述在玻璃纤维表面协同包覆碳纳米管和氧化石墨烯时,纤维表面与树脂基体的浸润性、啮合作用和协同效应。最后,对下一步包覆的研究重点提出展望,指出在研制新型促进剂、偶联剂及协同包覆常规纤维等方面,尚需深入研究。

The graphene-related nanomaterials,such as carbon nanotubes,graphene and graphene oxide,have been widely used as reinforcement or surface treatment materials of fiber reinforcement in composites,due to their high strength,modulus,toughness and high specific surface area.This review summarized the research progress of modification by surface coating on fiber using graphene-related materials,and improved the interface properties between fibers and matrix in fiber-reinforced composites.The properties and applications of carbon nanotubes,graphene and graphene oxide were summarized.Then,several modi-fication methods on the surface of carbon fiber and glass fiber were introduced respectively.When jointly coated with carbon nanotubes and GO,the infiltration nature,engagement effect and synergistic effect of glass fiber surface and resin matrix were described.Finally,the future research focus of the coating was prospected,and it was pointed out that the development of new promoters,coupling agents and synergistic coating of conventional fibers need further research.