The research advance on filling modification of polytetrafluoroethylene both at home and abroad was introduced. The varieties of the filler for the modification and the research on the properties of the composite were also stated.%介绍了近几年国内外对聚四氟乙烯( PTFE)进行填充改性以提高PTFE综合性能的研究进展,对填料的种类以及PTFE复合材料性能的研究现状进行了阐述.
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