Method for producing difluoroethylene
AssigneeDaikin Industries, Ltd.
InventorsKazuhiro TAKAHASHI, Osamu YAMAMOTO
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Abstract
Provided is a method for efficiently obtaining HFC-1132(E) and/or HFO-1132(Z). The method includes supplying a composition containing HFO-1132(E) and/or HFO-1132(Z) to a reactor to perform isomerization between HFO-1132(E) and HFO-1132(Z) by irradiating the composition with light.
Claims22
1-5. (canceled)
A method for producing HFO-1132(E) and/or HFO-1132(Z), comprising supplying a composition containing trans-1,2-difluoroethylene (HFO-1132(E)) and/or cis-1,2-difluoroethylene (HFO-1132(Z)) to a reactor to perform isomerization between HFO-1132(E) and HFO-1132(Z) by irradiating the composition with light having a wavelength of 10 nm or more and 172 nm or less.
A method for producing HFO-1132(E), comprising supplying HFO-1132(Z), or a composition containing HFO-1132(E) and HFO-1132(Z), to a reactor to perform isomerization between HFO-1132(E) and HFO-1132(Z) by irradiating HFO-1132(Z) or the composition with light having a wavelength of 10 nm or more and 172 nm or less.
Dependencies are inferred from the claim text.