METHOD FOR PRODUCING REACTION GAS CONTAINING 1,1,2-TRIFLUOROETHANE (R-143) AND/OR (E,Z)-1,2-DIFLUOROETHYLENE (R-1132(E,Z))
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United States of America Patent
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Issued Date -
Dec 7, 2023
app pub date -
Jun 14, 2023
filing date -
Dec 16, 2020
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Abstract
The present disclosure provides a method for producing a reaction gas containing 1,1,2-trifluoroethane (R-143) and/or (E,Z)-1,2-difluoroethylene (R-1132(E,Z)) using a starting material that is easier to obtain than those used in conventional methods. Specifically, the present disclosure provides a method for producing a reaction gas containing 1,1,2-trifluoroethane (R-143) and/or (E,Z)-1,2-difluoroethylene (R-1132(E,Z)), the method comprising subjecting a starting material gas containing difluoromethane (R-32) to a reaction that involves thermal decomposition at a pressure of 0.6 MPaG or more and 2.0 MPaG or less and a temperature of 600° C. or more and 1000° C. or less, thereby obtaining the reaction gas.
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