关键词: 聚氨酯, 复合材料, 纳米材料, 分散

Abstract: This article is aimed to summarize the latest worldwide research progress of polyurethane/ inorganic nanomaterial composites. The preparation methods，characteristics and analysis of major systems，including polyurethane/CNTs，polyurethane/graphene，polyurethane/nano-oxides and polyurethane/layered silicates were introduced respectively. The research trends of polyurethane/ nano-composite materials were also presented，i.e.，to further research preparation methods to make inorganic nanomaterial better nano-level dispersed in polyurethane base，to make the theoretical studies on microscopic interface and reaction mechanism of composite materials more in-depth，to further extend the optional types of inorganic nanomaterials，to develop the research fields of multiple composite system with excellent overall performance，and to simplify the complex system synthesis methods，so as to reduce production costs and accelerate the industrialization process of polyurethane composites.

Key words: polyurethane, composites, nanomaterials, dispersion