To suppress a polymerization reaction or a self-decomposition reaction of 1,2-difluoroethylene.SOLUTION: According to the method, (1) 1,2-difluoroethylene (HFO-1132) and oxygen in a gas phase are made to coexist, wherein the concentration of oxygen at a temperature of 25°C is at most 1,000 volume ppm, (2) 1,2-difluoroethylene (HFO-1132) and the oxygen with the 25°C concentration of at most 1,000 volume ppm are made to coexist in a closed container, (3) the gas phase is lower than 80°C in (1) and (2), and (4) the gas phase coexists with a liquid phase containing a coolant.SELECTED DRAWING: None
【課題】1,2-ジフルオロエチレンの重合反応又は自己分解反応を抑制する方法の提供。【解決手段】(1)1,2-ジフルオロエチレン(HFO-1132)と温度25℃における濃度が1000体積ppm以下である酸素とを気相で共存させる。(2)1,2-ジフルオロエチレン(HFO-1132)と温度25℃における濃度が1000体積ppm以下である酸素とを密閉容器内で共存させる。(3)前記(1)、(2)において、気相が80℃未満である。(4)前記(1)、(2)において、気相が冷媒を含む液相と共存している。【選択図】なし
METHOD FOR MAKING 1,2-DIFLUOROETHYLENE (HFO-1132) AND OXYGEN COEXIST IN GAS PHASE, AND STORAGE CONTAINER AND REFRIGERATOR CONTAINING HFO-1132 AND OXYGEN
1,2−ジフルオロエチレン(HFO−1132)と酸素とを気相で共存させる方法、並びにそれらを含む保存容器及び冷凍機
2021-01-07
Patent
Electronic Resource
Japanese
IPC: | C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS , Acyclische oder carbocyclische Verbindungen / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS |
REFRIGERATOR INCLUDING DIFLUOROETHYLENE (HFO-1132) AS WORKING FLUID
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