Tetrafluoroethylene is a reactive molecule that participates in myriad reactions. Owing to the presence of four fluorine substituents, its reactions differ strongly from the behavior of conventional alkenes such as ethylene. Tetrafluoroethylene dimerizes, giving octafluorocyclobutane. Even normal alkenes and dienes … See more Tetrafluoroethylene (TFE) is a fluorocarbon with the chemical formula C2F4. It is the simplest perfluorinated alkene. This gaseous species is used primarily in the industrial preparation of fluoropolymers. See more Polymerization of tetrafluoroethylene produces polytetrafluoroethylene (PTFE) polymers such as Teflon and Fluon. PTFE is one of the two fluorocarbon resins composed wholly of fluorine and carbon. The other resin composed purely of carbon and fluorine … See more The International Agency for Research on Cancer classifies TFE as probably carcinogenic to humans based on animal studies. See more Tetrafluoroethylene is a colorless, odorless gas. Like all unsaturated fluorocarbons, it is susceptible to nucleophilic attack. … See more TFE is manufactured from chloroform. Chloroform is fluorinated by reaction with hydrogen fluoride to produce chlorodifluoromethane (R-22). Pyrolysis of chlorodifluoromethane … See more The main hazard associated with TFE is that of explosion, especially if oxygen is present. TFE reacts with oxygen at low temperatures to … See more • Tetrachloroethylene • 1,1,1,2-Tetrafluoroethane • Fluorochemical industry See more WebAg3300g/tFe5.3% Al4.7%Ga35g/t Mg1.9%Mn0.47% As Au80g/tNi0.47% S0.10%Zn1.5% Ba200g/tSb0.06% Be1.1g/tSe41g/t Bi0.17%Sr10g/t Br0.54%Sn1.0% 3、造成资源浪费 在各种电子垃圾中,电路板的回收不仅在数量上占有巨大的份额,而且其蕴含的经济价值也是巨大的。表1就电脑中印刷电路板所含元素进行了 ...
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