abstract |
1,1,1-trifluoroethane is produced, together with 1,1-dichloro-1-fluoroethane and / or 1-chloro-1,1-difluoroethane, by hydrofluorination in liquid phase, using hydrogen fluoride , vinylidene fluoride and at least one chlorinated compound chosen from vinylidene chloride and 1,1,1-trichloroethane. |