采用固相剪切复合技术成功制备石墨-聚氯乙烯(PVC)复合粉体,实现了石墨的片层剥离和在PVC基体中的纳米分散及对PVC的抗静电改性.通过XRD、SEM、TEM等表征了石墨-PVC/PVC复合材料的结构,研究了其抗静电性能.结果表明,石墨的片层厚度约20 nm,径厚比超过10.固相剪切碾磨技术制备的石墨-PVC/PVC复合材料的导电性能有较大提高.在石墨质量分数为2％时,表面电阻率为4.6×107 Ω·cm,已达到了抗静电材料的要求,实现了低填充.在石墨质量分数为10％时,表面电阻率达到最低的4.1×104 Ω·cm.
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