FI933541A - Pseudoatseotropiska sammansaettningar av difluorometan, pentafluoroetanoch 1,1,1-trifluoroetan samt deras anvaendning som kylvaetskor vid djupfrysning - Google Patents
Pseudoatseotropiska sammansaettningar av difluorometan, pentafluoroetanoch 1,1,1-trifluoroetan samt deras anvaendning som kylvaetskor vid djupfrysning Download PDFInfo
- Publication number
- FI933541A FI933541A FI933541A FI933541A FI933541A FI 933541 A FI933541 A FI 933541A FI 933541 A FI933541 A FI 933541A FI 933541 A FI933541 A FI 933541A FI 933541 A FI933541 A FI 933541A
- Authority
- FI
- Finland
- Prior art keywords
- pseudoacetotropic
- pentafluoroethane
- difluoromethane
- misting
- trifluoroethane
- Prior art date
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)
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 (2)
Publication Number | Publication Date |
---|---|
FI933541A0 FI933541A0 (fi) | 1993-08-11 |
FI933541A true FI933541A (fi) | 1994-02-13 |
Family
ID=9432815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI933541A FI933541A (fi) | 1992-08-12 | 1993-08-11 | Pseudoatseotropiska sammansaettningar av difluorometan, pentafluoroetanoch 1,1,1-trifluoroetan samt deras anvaendning som kylvaetskor vid djupfrysning |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0583179A1 (fi) |
JP (1) | JPH06172227A (fi) |
KR (1) | KR970006717B1 (fi) |
AU (1) | AU4457893A (fi) |
CA (1) | CA2100693A1 (fi) |
FI (1) | FI933541A (fi) |
FR (1) | FR2694764B1 (fi) |
IL (1) | IL106052A0 (fi) |
NO (1) | NO932451L (fi) |
ZA (1) | ZA935843B (fi) |
Families Citing this family (8)
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)
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 |
-
1992
- 1992-08-12 FR FR9209962A patent/FR2694764B1/fr not_active Expired - Fee Related
-
1993
- 1993-06-17 IL IL106052A patent/IL106052A0/xx unknown
- 1993-07-02 EP EP93401722A patent/EP0583179A1/fr not_active Withdrawn
- 1993-07-06 NO NO932451A patent/NO932451L/no unknown
- 1993-07-16 CA CA002100693A patent/CA2100693A1/fr not_active Abandoned
- 1993-08-11 FI FI933541A patent/FI933541A/fi unknown
- 1993-08-11 AU AU44578/93A patent/AU4457893A/en not_active Abandoned
- 1993-08-11 ZA ZA935843A patent/ZA935843B/xx unknown
- 1993-08-12 JP JP5200804A patent/JPH06172227A/ja active Pending
- 1993-08-12 KR KR1019930015638A patent/KR970006717B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
FR2694764B1 (fr) | 1994-10-07 |
ZA935843B (en) | 1994-03-10 |
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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