1·The pyrolysis characteristics of polytetrafluoroethylene were studied in the atmosphere of nitrogen by thermogravimetric analysis.
采用热重分析法，研究了聚四氟乙烯在氮气气氛下的热裂解特性。
2·The pyrolysis characteristics of polytetrafluoroethylene(PTFE) were studied in the atmosphere of nitrogen by thermogravimetric analysis.
采用热重分析法，研究了聚四氟乙烯（PTFE）在氮气气氛下的热裂解特性。
3·This is a work to improve viscous property of polytetrafluoroethylene turning plate by, mutual radiation grafting.
本文研究共辐射接枝法改善聚四氟乙烯车削板的粘接性能。
4·The chemical and physical characteristics and applications of polytetrafluoroethylene (PTFE) fiber are introduced.
介绍了聚四氟乙烯（ PTFE）的化学、物理等特性及其应用。
5·A coatings containing polytetrafluoroethylene (PTFE) was prepared with polyphenylene sulfide (PPS) and polyimide (PI) as adhesive which were mixed with PTFE in a suitable solvent.
以聚笨硫醚(PPS)和聚酰亚胺(PI)为复合粘结剂与聚四氟乙烯(PTFE)混合于合适的溶剂中，制成含ptfe的涂料。