基于熔体静电纺丝技术制备一种金属-有机骨架复合材料的方法  

Preparation of the Fibrous Metal Organic Frameworks Composites Based on the Technique of Melt Electrospinning

作　　者：赵晓敏 刘太奇[1] Xiaomin Zhao;Taiqi Liu(Research Center of Ecomaterial,Beijing Institute of Petrochemical Technology,Beijing 102617,China)

机构地区：[1]北京石油化工学院环境材料研究中心,北京102617

出　　处：《高分子材料科学与工程》2023年第2期136-142,共7页Polymer Materials Science & Engineering

基　　金：北京市创新平台建设-北京石油化工学院材料学创新平台建设(PXM019-014222-000052)。

摘　　要：高性能金属-有机骨架(MOFs)复合材料是目前研究热点。文中首次采用熔体静电纺丝法制备了低密度聚乙烯(LDPE)纤维作为沉积MOFs晶体的衬底,并采用溶剂热合成法原位制备了负载锆基金属-有机骨架材料(UiO-66)的LDPE纤维复合材料。通过扫描电子显微镜(SEM)、X射线衍射(XRD)、傅里叶变换红外光谱分析(FT-IR)和热重分析(TG),对UiO-66@PE纤维复合材料的表面形貌和结构进行了表征。结果表明,UiO-66@PE复合纤维材料最佳制备温度是100℃,它是由UiO-66包裹的纤维态复合材料,且晶体较均匀负载于LDPE纤维表面,UiO-66晶体直径为190~900 nm;FT-IR分析表明UiO-66晶体与LDPE纤维之间没有化学作用;TG分析结果表明,相比基材LDPE,UiO-66@PE复合材料的热分解温度有所提高,能够达到425℃。High-performance metal organic frameworks(MOFs)fiber composites are currently a hot research topic.In this study,a novel UiO-66 loaded low density polyethylene(LDPE)fiber composite(UiO-66@PE)was successfully made via solvothermal synthesis in situ,using melt electrospun LDPE fibers as substrate for the depositing metal organic framework(MOFs)crystal.SEM,XRD,FT-IR and TG were employed to investigate the morphology and structure of the UiO-66@PE fiber composite.The results show that the optimum preparation temperature of the UiO-66@PE fiber composites is 100℃;it is a fibrous composites material carrying zirconium-based metal-organic framework material(UiO-66),which is equally loaded on the surface of LDPE fibers.The diameter of UiO-66 crystals ranges from 190 nm to 900 nm.FT-IR analysis reveals that the UiO-66 crystal and LDPE electrospun fiber have no interaction.TG analysis reveals that the thermal decomposition temperature of the UiO-66@PE fiber composites is 425℃,which is a little higher than that of the LDPE fiber substrate.

关 键 词：熔体静电纺丝 低密度聚乙烯 金属-有机框架 UiO-66@PE纤维复合材料 负载 

分 类 号：TQ340.64[化学工程—化纤工业]