ZA935843B - Pseudoazeotropic mixtures of difluoromethane pentafluoroethane and 1,1,1-trifluoroethane, and their use as refrigerant fluids in low temperature refrigeration. - Google Patents

Pseudoazeotropic mixtures of difluoromethane pentafluoroethane and 1,1,1-trifluoroethane, and their use as refrigerant fluids in low temperature refrigeration.

Info

Publication number
ZA935843B
ZA935843B ZA935843A ZA935843A ZA935843B ZA 935843 B ZA935843 B ZA 935843B ZA 935843 A ZA935843 A ZA 935843A ZA 935843 A ZA935843 A ZA 935843A ZA 935843 B ZA935843 B ZA 935843B
Authority
ZA
South Africa
Prior art keywords
pentafluoroethane
difluoromethane
trifluoroethane
low temperature
temperature refrigeration
Prior art date
Application number
ZA935843A
Other languages
English (en)
Inventor
Sylvie Macaudiere
Jean-Claude Tanguy
Original Assignee
Atochem Elf Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atochem Elf Sa filed Critical Atochem Elf Sa
Publication of ZA935843B publication Critical patent/ZA935843B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/22—All components of a mixture being fluoro compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/32—The mixture being azeotropic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/40—Replacement mixtures
    • C09K2205/47—Type R502

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
ZA935843A 1992-08-12 1993-08-11 Pseudoazeotropic mixtures of difluoromethane pentafluoroethane and 1,1,1-trifluoroethane, and their use as refrigerant fluids in low temperature refrigeration. ZA935843B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9209962A FR2694764B1 (fr) 1992-08-12 1992-08-12 Mélanges pseudo-azéotropiques de difluorométhane, de pentafluoroéthane et de 1,1,1-trifluoroéthane, et leur application comme fluides frigorigènes en réfrigération basse température.

Publications (1)

Publication Number Publication Date
ZA935843B true ZA935843B (en) 1994-03-10

Family

ID=9432815

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA935843A ZA935843B (en) 1992-08-12 1993-08-11 Pseudoazeotropic mixtures of difluoromethane pentafluoroethane and 1,1,1-trifluoroethane, and their use as refrigerant fluids in low temperature refrigeration.

Country Status (10)

Country Link
EP (1) EP0583179A1 (xx)
JP (1) JPH06172227A (xx)
KR (1) KR970006717B1 (xx)
AU (1) AU4457893A (xx)
CA (1) CA2100693A1 (xx)
FI (1) FI933541A (xx)
FR (1) FR2694764B1 (xx)
IL (1) IL106052A0 (xx)
NO (1) NO932451L (xx)
ZA (1) ZA935843B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568115B1 (en) * 1990-07-26 1996-03-20 E.I. Du Pont De Nemours & Company Incorporated Near-azeotropic blends for use as refrigerants
US5232618A (en) * 1991-09-30 1993-08-03 E. I. Du Pont De Nemours And Company Substantially constant boiling compositions of difluoromethane and trifluoroethane or perfluoroethane
US5736062A (en) * 1993-08-13 1998-04-07 Ausimont S.P.A. Azeotrope-like mixtures utilizable as refrigerating fluids
IT1270960B (it) * 1993-08-13 1997-05-26 Ausimont Spa Miscele ternarie quasi azeotropiche con fluidi refrigeranti
FR2733242B1 (fr) * 1995-04-20 1997-06-13 Atochem Elf Sa Melanges pseudo-azeotropiques a base de difluoromethane et de pentafluoroethane, et leurs applications comme fluides frigorigenes
GB9516920D0 (en) * 1995-08-18 1995-10-18 Ici Plc Refrigerant compositions
FR2756294B1 (fr) * 1996-11-27 2000-10-20 Atochem Elf Sa Utilisation de melanges a base de difluoromethane et de pentafluoroethane comme fluides frigorigenes en refrigeration tres basse temperature
CN1233781C (zh) 2003-11-12 2005-12-28 浙江蓝天环保高科技股份有限公司 一种替代r502的环保型制冷剂

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943388A (en) * 1989-06-28 1990-07-24 Allied-Signal Inc. Azeotrope-like compositions of pentafluoroethane; 1,1,1-trifluoroethane; and chlorodifluoromethane
JP2792191B2 (ja) * 1990-04-04 1998-08-27 ダイキン工業株式会社 冷 媒
US5185094A (en) * 1990-12-17 1993-02-09 E. I. Du Pont De Nemours And Company Constant boiling compositions of pentafluoroethane, difluoromethane, and tetrafluoroethane
CN1029625C (zh) * 1990-12-17 1995-08-30 纳幕尔杜邦公司 氟化烃的恒沸组合物

Also Published As

Publication number Publication date
FR2694764B1 (fr) 1994-10-07
FI933541A (fi) 1994-02-13
NO932451D0 (no) 1993-07-06
FR2694764A1 (fr) 1994-02-18
NO932451L (no) 1994-02-14
JPH06172227A (ja) 1994-06-21
FI933541A0 (fi) 1993-08-11
IL106052A0 (en) 1993-10-20
EP0583179A1 (fr) 1994-02-16
AU4457893A (en) 1994-02-17
KR970006717B1 (ko) 1997-04-29
CA2100693A1 (fr) 1994-02-13
KR940004034A (ko) 1994-03-14

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