采用反应挤出的方式,首先对非极性的高密度聚乙烯进行功能化处理,得到HDPE-g-MAH,然后将其与有机蒙脱土熔融复合,制得了分散效果良好的纳米复合材料。并用红外对接枝效果进行验证,用XRD,TEM对复合体系的插层效果进行了分析和表征。进一步的热性能分析显示,纳米材料的热稳定性相对于纯聚乙烯有所提高;同时DSC研究结果表明,复合体系的结晶温度也有所提高。 First, the non-polar high-density polyethylene was functionalized to obtain HDPE-g-MAH, which was then melt-compounded with the organo-montmorillonite to prepare a nanocomposite with good dispersion effect. The grafting effect was verified by infrared. The intercalation effect of the composite system was analyzed by XRD and TEM. Further thermal analysis shows that the thermal stability of nanomaterials is improved compared to that of pure polyethylene. Meanwhile, DSC results show that the crystallization temperature of the nanocomposites is also increased.