MXene是继石墨烯后,又一类新兴的无机二维(2D)结构材料,近年来在材料科学、生物医药、纳米技术等领域中引起了广泛的关注。MXene具有良好的热稳定性、独特的层状结构、优异的催化活性和可调的化学性质,若用作阻燃剂对材料进行阻燃处理,将赋予材料优异的阻燃性能。详细阐述了MXene的刻蚀法和化学气相沉积制备法,以及MXene的阻燃机理和MXene阻燃材料的研究进展;重点阐述了MXene阻燃材料通过添加改性剂、表面官能团修饰和共价键功能化等方法进行改性的研究进展,以及MXene协同其他阻燃剂增强聚合物阻燃效果的研究现状;并对MXene阻燃材料的发展前景进行了展望。
MXene is an emerging class of inorganic two-dimensional (2D) structural materials following graphene,which has attracted wide attention in the fields of materials science,biomedicine and nanotechnology in recent years.MXene has good thermal stability,unique layered structure,excellent catalytic activity and adjustable chemical properties,which will confer excellent flame-retardant properties to the materials if it is used as a flame retardant for flame-retardant treatment.This paper described in detail the preparation methods of MXene by etching and chemical vapor deposition,as well as the flame-retardant mechanism of MXene and the research progress of MXene flame-retardant materials.It highlighted the advancements in modifying MXene flame-retardant materials through the addition of modifiers,surface functional group modifications and covalent bonding functionalization,and the research on the synergistic enhancement of polymer flame-retardant effect by MXene with other flame retardants to improve the flame retardancy of polymers.Finally,the development prospect of MXene flame-retardant materials was also prospected.
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基金资助
浙江省自然科学基金重点项目(LZ23C160002)
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