The method how to remove carbon fluoride impurities, for example ethane hexafluoride (C_(2)F_(6)), from raw carbon tetrafluoride (CF_(4)) in a medium-pressure and low-temperature (-60 ℃,2.
讨论了通过低温加压精馏(-60℃、2 0MPa)除去四氟化碳中六氟乙烷等氟碳杂质,以达到4N级四氟化碳对氟碳杂质浓度的要求。
Friction and wear properties of nano-TiO_2 filled polyurethane coatings with polyfluo-150 wax are investigated,and a comparison of tribological performance is made between nano-TiO_2 filled the polyurethane with polyfluo-wax coatings and micro-TiO_2 filled polyurethane coatings polyfluo-wax on MHK-500 friction and wear tester in sliding against stainless steel ring under dry friction condition.
制备出纳米和微米T iO2改性聚四氟蜡/聚氨酯复合涂层,采用傅立叶红外光谱仪分析其结构,在MHK-500型摩擦磨损试验机上考察复合涂层的摩擦磨损性能,采用扫描电子显微镜和光学显微镜观察分析复合涂层的磨损表面和偶件转移膜的分布情况。
Accident Analysis of Explosion of Tetrafluoroethylene Metering Tanks;
四氟乙烯计量罐爆炸事故分析
Structure and property of tetrafluoroethylene-perfluoropropyl vinyl ether copolymer;
四氟乙烯-全氟丙基乙烯基醚共聚物结构和性能
Synthesis of Hexafluoropropene by Co-pyrolysis Reaction of Tetrafluoroethylene with Octafluorocyclobutane;
四氟乙烯和八氟环丁烷共裂解制六氟丙烯反应工艺的研究