To provide low-GWP refrigerant compositions for thermal management capable of providing cooling and heating which meet ever-increasing needs of electric vehicles and stationary residential and commercial structures.SOLUTION: The refrigerant compositions include 2,3,3,3-tetrafluoropropene (HFO-1234yf), 1 wt.% to 24 wt.% of propylene (R-1270), and 0.01 wt.% to 1 wt.% of a stabilizer selected from the group consisting of d-limonene and tocopherol, and exhibit near-azeotropic properties over the temperature range from -30°C to 40°C.SELECTED DRAWING: Figure 1

    【課題】電化車両、固定型住宅構造および商業構造の増え続けるニーズを満たす、冷却および加熱を提供できる熱管理のための、低GWPの冷媒組成物の提供。【解決手段】2,3,3,3-テトラフルオロプロペン(HFO-1234yf)と、1重量%~24重量%のプロピレン(R-1270)と、d-リモネンおよびトコフェロールから成る群から選択される、0.01重量%~1重量%の安定剤とを含み、-30℃から40℃の温度範囲にわたって近共沸性であることを特徴とする、冷媒組成物。【選択図】図1


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    Title :

    AZEOTROPIC COMPOSITIONS OF HFO-1234yf AND PROPYLENE


    Additional title:

    HFO-1234yf及びプロピレンの共沸組成物


    Contributors:

    Publication date :

    2023-12-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS



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