石墨烯/聚氨酯复合材料的研究进展

Advances Research on Graphene/Polyurethane Composites

石墨烯是一种新型二维纳米片层碳材料,拥有极高的机械强度、电子迁移率、导热系数及独特的化学结构,将其作为填料对聚氨酯进行功能化改性可有效改善基体的力学、导热导电、电磁屏蔽等性能,因此成为近年来复合材料研究领域的一大热点。本文对石墨烯改性及其在聚氨酯材料中的研究进展进行了综述,以复合材料的制备方法、性能研究进行分类,对复合材料常用的拉伸、压缩、导热模型建立方法进行了总结,展望了石墨烯/聚氨酯复合材料产业化的挑战与机遇。

As a novel two-dimensional laminar carbon nano material, graphene has excellent mechanical strength, high electron mobility, coefficient of thermal conductivity and unique chemical structure. Graphene can impart polyurethane （PU） with better mechanical, electrical, thermal and electromagnetic shielding properties as a filler, which make it a hotspot in composite material research field in recent years. In this paper, the research progress of modified graphene and incorporating graphene into polyurethane material was reviewed. The preparation method and performance of PU composites were classified and the common model establishing method on tensile, compression, thermal conductivity was analyzed. Furthermore, the challenge and opportunity of bulk production for graphene/polyurethane composites were prospected.