FIELD: chemical technology, halogen hydrocarbons. SUBSTANCE: product 1: 1,1,1-trifluoro(chloro)ethane; product 2: 1,1,1,2-tetra(fluoro)ethane. Reagent 1: trichloroethylene. Reagent 2: HF. Reaction conditions: at 180-400 C, in gaseous phase, at reagent dilution with inert gas taken from the group consisting of 1,1,1-trifluorochloroethane and 1,1,1,2-tetrafluoroethane. Diluting agent can contain additionally 1,1-difluorochloroethylene. Trichloroethylene conversion is 98%, selectivity is 97%. Synthesized compounds were used as coolants. EFFECT: improved method of synthesis, increased conversion and selectivity. 2 cl, 3 ex, 2 dwg
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