Grafted graphene oxide poly (butylene succinate) composite material and preparation method thereof

The invention discloses a grafted graphene oxide poly (butylene succinate) composite material and a preparation method thereof. The composite material comprises poly (butylene succinate) and isocyanate modified graphene oxide, wherein the poly (butylene succinate) is grafted and intercalated between layers of the isocyanate modified graphene oxide. The graphene oxide is subjected to surface functionalization treatment, so that the dispersity of the graphene oxide in a poly (butylene succinate) matrix is improved, the mechanical property, toughness and thermal stability of the composite material are improved, and meanwhile, the composite material is endowed with good electric conductivity and thermal conductivity. 本发明公开了一种接枝氧化石墨烯聚丁二酸丁二醇酯复合材料及其制备方法。所述复合材料包括聚丁二酸丁二醇酯和异氰酸酯改性氧化石墨烯，其中聚丁二酸丁二醇酯接枝插层于异氰酸酯改性氧化石墨烯的层间。本发明对氧化石墨烯进行表面功能化处理，提高其在聚丁二酸丁二醇酯基体中的分散性，提升了复合材料的力学性能、韧性和热稳定性能，同时赋予其良好的导电、导热性能。