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Progress in Preparation Techniques of 1,1,1,2,2-pentafluoroethane

Wang Junxiang1,Liu Jianpeng1,Yuan Jian2(1.Sinochem Lantian co.Xiasha production base,Hangzhou 310018;2.laboratory of advanced catalytic materials;College of Chemical Engineering and Materials Science;Zhejiang University of Technology;Hangzhou 310014)  
The article introduces the character of 1,1,1,2,2-pentafluoroethane,compares the various preparation methods of pentafluoroethane,then gets the conclusion that the PCE route is the dominate method of produce the HFC-125 in industry,for easy getting the raw materials,simple process;but also has the shortcoming of low selectivity and purity.
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