REFRIGERANT-CONTAINING COMPOSITION, USE THEREOF, REFRIGERATING METHOD USING SAME, AND REFRIGERATOR COMPRISING SAME

• Main Authors: TSUCHIYA TATSUMI, GOBO KENJI, ITANO MITSUSHI, KUROKI HITOMI, OKUBO SHUN
• Format: Patent
• Language: English; Japanese
• Published: 07.11.2019
• Subjects: ADHESIVES; BLASTING; CHEMISTRY; COMBINED HEATING AND REFRIGERATION SYSTEMS; DYES; FUELS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; LUBRICANTS; LUBRICATING COMPOSITIONS; MANUFACTURE OR STORAGE OF ICE; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; POLISHES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION; WEAPONS

To provide a refrigerant composition with a low GWP and the same refrigerating capacity as R404A, which is currently widely used.SOLUTION: The present invention provides a composition containing carbon dioxide and a mixture of fluorinated hydrocarbons, the mixture comprising, in specific concentrations, difluoromethane (R32), pentafluoroethane (R125), 2,3,3,3-tetrafluoropropene (R1234yf), 1,1,1,2-tetrafluoroethane (R134a), and carbon dioxide (CO).SELECTED DRAWING: None 【課題】現在汎用されているR404Aと同等の冷凍能力を有し、GWPが小さい冷媒組成物を提供する。【解決手段】フッ素化炭化水素の混合物と二酸化炭素とを含有する組成物であって、前記混合物が、ジフルオロメタン（R32）、ペンタフルオロエタン（R125）、2,3,3,3-テトラフルオロプロペン（R1234yf）、1,1,1,2-テトラフルオロエタン（R134a）及び二酸化炭素（CO2）を特定濃度で含む混合物である。【選択図】なし