ZA90809B - Bis(difluoromethyl)ether refrigerant - Google Patents
Bis(difluoromethyl)ether refrigerantInfo
- Publication number
- ZA90809B ZA90809B ZA90809A ZA90809A ZA90809B ZA 90809 B ZA90809 B ZA 90809B ZA 90809 A ZA90809 A ZA 90809A ZA 90809 A ZA90809 A ZA 90809A ZA 90809 B ZA90809 B ZA 90809B
- Authority
- ZA
- South Africa
- Prior art keywords
- difluoromethyl
- bis
- refrigerant
- ether
- ether refrigerant
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C09K2205/10—Components
- C09K2205/11—Ethers
- C09K2205/112—Halogenated ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/316,627 US4961321A (en) | 1989-02-28 | 1989-02-28 | Bis (difluoromethyl) ether refrigerant |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA90809B true ZA90809B (en) | 1990-11-28 |
Family
ID=23229897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA90809A ZA90809B (en) | 1989-02-28 | 1990-02-02 | Bis(difluoromethyl)ether refrigerant |
Country Status (13)
Country | Link |
---|---|
US (1) | US4961321A (xx) |
EP (1) | EP0385737B1 (xx) |
JP (1) | JP2882537B2 (xx) |
KR (1) | KR900013054A (xx) |
AT (1) | ATE111147T1 (xx) |
AU (1) | AU614215B2 (xx) |
CA (1) | CA2008862C (xx) |
DE (1) | DE69012173T2 (xx) |
DK (1) | DK0385737T3 (xx) |
ES (1) | ES2060019T3 (xx) |
NZ (1) | NZ232353A (xx) |
PH (1) | PH26418A (xx) |
ZA (1) | ZA90809B (xx) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5185474A (en) * | 1990-10-02 | 1993-02-09 | W. R. Grace & Co.-Conn. | Synthesis of fluorinated dimethyl ethers |
ES2106138T3 (es) * | 1991-06-14 | 1997-11-01 | Ici Plc | Produccion de bis(fluorometil)eter y difluorometano. |
JP3080653B2 (ja) * | 1991-08-27 | 2000-08-28 | イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー | 塩素非含有フルオロカーボン冷媒 |
DE69231725T2 (de) * | 1991-12-03 | 2001-10-31 | United States Environmental Protection Agency, Washington | Kältemittelzusammensetzung sowie verfahren zu deren benutzung |
IL100268A (en) * | 1991-12-06 | 1995-12-08 | Kaminsky Peter | Refrigerant fluid |
GB9200521D0 (en) * | 1992-01-10 | 1992-02-26 | Ici Plc | Compositions useful as refrigerants |
BR9207027A (pt) * | 1992-01-10 | 1995-12-05 | Ici Plc | Composição refrigerante dispositivo de transferência de calor e processos para proporcionar resfriamento e aquecimento |
US5888418A (en) * | 1992-03-20 | 1999-03-30 | The United States Of America As Represented By The Secretary Of Commerce | Azeotropic refrigerant comprising bis-(difluoromethyl)ether and 1,1,2-trifluoroethane |
US5278342A (en) * | 1992-03-25 | 1994-01-11 | Hampshire Chemical Corp. | Vapor phase chlorination of difluoromethyl methyl ether |
US5605882A (en) | 1992-05-28 | 1997-02-25 | E. I. Du Pont De Nemours And Company | Azeotrope(like) compositions of pentafluorodimethyl ether and difluoromethane |
US6156224A (en) * | 1992-06-19 | 2000-12-05 | Matsushita Electric Industrial Co., Ltd. | Working fluid containing perfluorodimethylether |
WO1994002564A1 (en) * | 1992-07-28 | 1994-02-03 | E.I. Du Pont De Nemours And Company | Refrigerant compositions including pentafluorodimethyl ether |
TW305874B (xx) * | 1992-10-14 | 1997-05-21 | Du Pont | |
WO1994013857A1 (en) * | 1992-12-04 | 1994-06-23 | Imperial Chemical Industries Plc | Electrochemical fluorination |
JPH08505890A (ja) * | 1993-01-15 | 1996-06-25 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | 硫黄化合物を含む冷媒組成物 |
JPH08505657A (ja) * | 1993-01-20 | 1996-06-18 | インペリアル・ケミカル・インダストリーズ・ピーエルシー | 冷媒組成物 |
US5611210A (en) * | 1993-03-05 | 1997-03-18 | Ikon Corporation | Fluoroiodocarbon blends as CFC and halon replacements |
US5484546A (en) * | 1993-05-19 | 1996-01-16 | E. I. Du Pont De Nemours And Company | Refrigerant compositions including an acylic fluoroether |
US5382704A (en) * | 1993-06-30 | 1995-01-17 | E. I. Du Pont De Nemours And Company | Fluorinated methyl ethers |
US5446211A (en) * | 1994-04-01 | 1995-08-29 | Hampshire Chemical Corp. | Chlorination of difluoromethyl methyl ether |
US6548471B2 (en) | 1995-01-20 | 2003-04-15 | 3M Innovative Properties Company | Alkoxy-substituted perfluorocompounds |
US5718293A (en) * | 1995-01-20 | 1998-02-17 | Minnesota Mining And Manufacturing Company | Fire extinguishing process and composition |
US6506459B2 (en) | 1995-01-20 | 2003-01-14 | 3M Innovative Properties Company | Coating compositions containing alkoxy substituted perfluoro compounds |
US5925611A (en) | 1995-01-20 | 1999-07-20 | Minnesota Mining And Manufacturing Company | Cleaning process and composition |
US5543055A (en) * | 1995-06-06 | 1996-08-06 | Hampshire Chemical Corp. | Purifications of flourinated dimethyl ethers |
AU7663096A (en) * | 1995-10-18 | 1997-05-07 | Allied-Signal Inc. | Compositions of pentafluoromethyl ether and a hydrocarbon |
EP0856038B2 (en) | 1995-10-20 | 2009-10-28 | Minnesota Mining And Manufacturing Company | Hydrofluoroethers as low temperature refrigerants |
EP0882124B1 (en) | 1995-12-15 | 2002-04-10 | Minnesota Mining And Manufacturing Company | Cleaning process and composition |
USRE37054E1 (en) | 1996-10-16 | 2001-02-20 | Minnesota Mining And Manufacturing Company | Secondary loop refrigeration system |
US5819549A (en) * | 1996-10-16 | 1998-10-13 | Minnesota Mining And Manufacturing Company | Secondary loop refrigeration system |
KR100305080B1 (ko) * | 1998-12-23 | 2001-09-12 | 박호군 | 디플루오로메탄과1,1,1-트리플루오로에탄을포함하는냉매혼합물 |
JP2008506885A (ja) | 2004-07-13 | 2008-03-06 | タイアックス エルエルシー | 冷凍システムおよび冷凍方法 |
JP5407052B2 (ja) | 2005-08-17 | 2014-02-05 | 昭和電工ガスプロダクツ株式会社 | 冷媒組成物 |
JP5407053B2 (ja) | 2005-09-27 | 2014-02-05 | 昭和電工ガスプロダクツ株式会社 | 冷媒組成物 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2066905A (en) * | 1935-03-23 | 1937-01-05 | Westinghouse Electric & Mfg Co | Halogenated methyl ethers |
US2500388A (en) * | 1948-07-21 | 1950-03-14 | Minnesota Mining & Mfg | Fluorocarbon ethers |
US3189621A (en) * | 1962-09-26 | 1965-06-15 | Chemetron Corp | Conversion of fluorinated esters to ethers |
US3394878A (en) * | 1965-08-25 | 1968-07-30 | Du Pont | Azeotropic compositions |
US3362180A (en) * | 1965-08-25 | 1968-01-09 | Du Pont | Chemical process |
US3409555A (en) * | 1965-08-25 | 1968-11-05 | Du Pont | Refrigerant composition |
DE1618419A1 (de) * | 1967-05-09 | 1971-01-07 | Hoechst Ag | Verfahren zur Herstellung von Trifluormethyl-aethern |
US3723318A (en) * | 1971-11-26 | 1973-03-27 | Dow Corning | Propellants and refrigerants based on trifluoropropene |
US3887439A (en) * | 1972-09-25 | 1975-06-03 | Phillips Petroleum Co | Separation of fluorinated dimethyl ethers by extractive distillation |
US3922228A (en) * | 1973-03-22 | 1975-11-25 | Phillips Petroleum Co | Azeotropic composition consisting of difluoromethyl trifluoromethylether and dimethyl ether |
US4041148A (en) * | 1975-10-14 | 1977-08-09 | W. R. Grace & Co. | New aerosol propellants for personal products |
CA1075854A (en) * | 1976-08-16 | 1980-04-22 | Charles W. Simons | Aerosol propellants for personal products |
GB8301506D0 (en) * | 1983-01-20 | 1983-02-23 | Electricity Council | Fluorinated ethers |
GB8321569D0 (en) * | 1983-08-10 | 1983-09-14 | Ici Plc | Heat pumps |
-
1989
- 1989-02-28 US US07/316,627 patent/US4961321A/en not_active Expired - Fee Related
-
1990
- 1990-01-30 CA CA002008862A patent/CA2008862C/en not_active Expired - Fee Related
- 1990-02-02 ZA ZA90809A patent/ZA90809B/xx unknown
- 1990-02-02 NZ NZ232353A patent/NZ232353A/en unknown
- 1990-02-08 AU AU49299/90A patent/AU614215B2/en not_active Ceased
- 1990-02-20 KR KR1019900002051A patent/KR900013054A/ko not_active Application Discontinuation
- 1990-02-22 JP JP2039885A patent/JP2882537B2/ja not_active Expired - Lifetime
- 1990-02-27 DE DE69012173T patent/DE69012173T2/de not_active Expired - Fee Related
- 1990-02-27 AT AT90302098T patent/ATE111147T1/de not_active IP Right Cessation
- 1990-02-27 EP EP90302098A patent/EP0385737B1/en not_active Expired - Lifetime
- 1990-02-27 DK DK90302098.0T patent/DK0385737T3/da active
- 1990-02-27 PH PH40121A patent/PH26418A/en unknown
- 1990-02-27 ES ES90302098T patent/ES2060019T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69012173D1 (de) | 1994-10-13 |
PH26418A (en) | 1992-07-15 |
DE69012173T2 (de) | 1995-02-02 |
AU4929990A (en) | 1990-09-06 |
CA2008862C (en) | 2000-04-04 |
NZ232353A (en) | 1991-05-28 |
AU614215B2 (en) | 1991-08-22 |
JP2882537B2 (ja) | 1999-04-12 |
EP0385737B1 (en) | 1994-09-07 |
KR900013054A (ko) | 1990-09-03 |
DK0385737T3 (da) | 1994-10-10 |
ATE111147T1 (de) | 1994-09-15 |
ES2060019T3 (es) | 1994-11-16 |
US4961321A (en) | 1990-10-09 |
EP0385737A1 (en) | 1990-09-05 |
CA2008862A1 (en) | 1990-08-31 |
JPH02248490A (ja) | 1990-10-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA90809B (en) | Bis(difluoromethyl)ether refrigerant | |
GB2244492B (en) | Three-component refrigerant mixture | |
CA2075060A1 (en) | Novel vehicle gases and their use in medical preparations | |
ZA907929B (en) | Fire extinguishing composition and process | |
AU6606394A (en) | Nonazeotropic mixtures containing difluoromethane and 1,1,1,2-tetrafluoroethane, and their applications as refrigerant fluids in air conditioning | |
AU646439B2 (en) | Novel retinoids | |
AU4276689A (en) | The use of zinc hydroxide or iron hydroxide as adjuvant in antigen solutions, and antigen solutions containing such adjuvants | |
KR900016297A (ko) | 1,1-디클로로-2,2,2-트리플루오로에탄 및 1,1-디클로로-1-플루오로에탄의 공비-형 조성물 및 그를 사용한 중합체 포옴 팽창, 고체 표면 클리이닝 및 가열 또는 냉각 방법 | |
CA2086474A1 (en) | Mixed fluorocarbon refrigerants | |
GR3021035T3 (en) | Compositions comprising 1,1,1,2-tetrafluoroethane and use of these compositions | |
HRP950541B1 (en) | Heat-insulating body | |
IL104019A0 (en) | Mixtures of 1,1,1-trifluoroethane and perfluoropropane and their applications as refrigerants,as aerosol propellants or as plastic foam-expanding agents | |
ES8308914A1 (es) | Procedimiento para el transporte de calor mediante una bomba de calor del tipo de absorcion. | |
GR3021013T3 (en) | Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether | |
JPS53102883A (en) | Chemical hammer agent and its use | |
GB9522377D0 (en) | Refrigerant compositions | |
MX9709476A (es) | El uso de bis (difluorometil)eter como un extintor de fuego. | |
KR850005751A (ko) | 살서제(殺鼠劑)의 제조방법 | |
KR900017960A (ko) | 원 적외선 방사분말의 조성물 | |
TW336894B (en) | Surgical instrument for preparation of volute grafts | |
JPS52113037A (en) | Door check means | |
IT1252663B (it) | Procedimento per la lavorazione allo stato fuso di poli(2,6-dimetil-1,4-fenilen) ossido | |
CA2449614A1 (en) | Fire extinguishing composition and process |