PTFE (polytetrafluoroethylene) composite modified by nano-meter CaCO3 was prepared by means of mechanical mixing and cold-press sintering, and the mechanical properties of the composite were studied.

• 摘要通过机械搅拌、冷压成型烧结方法，制备了纳米碳酸钙填充改性聚四氟乙烯(PTFE)复合材料；