利用纵向裂解多壁碳纳米管制备了氧化石墨烯纳米带,并采用溶液成型的方法制得氧化石墨烯纳米带-氧化石墨烯(GONRs-GO)/热塑性聚氨酯(TPU)复合材料薄膜.场发射扫描电镜和X射线衍射分析结果显示,GONRs与GO间相互剥离并均匀地分散在TPU基体中;氧气透过率(OTR)和力学性能测试表明,GONRs和GO具有协同增强TPU复合材料薄膜的阻隔和力学性能的作用.当GONRs和GO在TPU中添加量均为1.5％(质量分数)时,GONRs-GO/TPU复合材料薄膜的阻隔和力学性能达到最佳.相比于纯TPU薄膜,该GONRs-GO/TPU复合材料薄膜的OTR降低了83.94％,拉伸断裂强度、屈服强度、扯断伸长率则分别提高了59.28％,59.54％和15.0％.
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