| abstract |
The invention discloses a preparation method of 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether, in the presence of a catalyst, trifluoroethanol and tetrafluoroethylene After the reaction, add water to the reaction system, stir, filter to obtain the filtrate, and rectify the filtrate to obtain 1,1,2,2-tetrafluoroethyl-2,2,2-tri Fluoroethyl ether products. The invention has the advantages of simple process, mild reaction conditions, good product quality, high yield and environmental protection. |