ZA904212B - Compositions for compression refrigeration and method of using them - Google Patents

Compositions for compression refrigeration and method of using them

Info

Publication number
ZA904212B
ZA904212B ZA904212A ZA904212A ZA904212B ZA 904212 B ZA904212 B ZA 904212B ZA 904212 A ZA904212 A ZA 904212A ZA 904212 A ZA904212 A ZA 904212A ZA 904212 B ZA904212 B ZA 904212B
Authority
ZA
South Africa
Prior art keywords
compression refrigeration
compositions
pentafluoroethane
tetrafluoroethane
refrigerant
Prior art date
Application number
ZA904212A
Other languages
English (en)
Inventor
Robert Alexander Gorski
Alexander Gorski Robert
William Lowell Brown
Lowell Brown William
Original Assignee
Du Pont
Union Carbide Chem Plastic
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23420184&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA904212(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Du Pont, Union Carbide Chem Plastic filed Critical Du Pont
Publication of ZA904212B publication Critical patent/ZA904212B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-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
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/008Lubricant compositions compatible with refrigerants
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-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
    • C09K5/02Materials undergoing a change of physical state when used
    • C09K5/04Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041Materials 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
    • C09K5/044Materials 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
    • C09K5/045Materials 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/24Only one single fluoro component present

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Lubricants (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA904212A 1989-06-02 1990-06-01 Compositions for compression refrigeration and method of using them ZA904212B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/360,984 US4971712A (en) 1989-06-02 1989-06-02 Compositions for compression refrigeration and methods of using them

Publications (1)

Publication Number Publication Date
ZA904212B true ZA904212B (en) 1992-02-26

Family

ID=23420184

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA904212A ZA904212B (en) 1989-06-02 1990-06-01 Compositions for compression refrigeration and method of using them

Country Status (14)

Country Link
US (2) US4971712A (de)
EP (1) EP0402009B2 (de)
JP (1) JP2818471B2 (de)
KR (1) KR910000987A (de)
CN (1) CN1047689A (de)
AT (1) ATE108820T1 (de)
AU (1) AU631646B2 (de)
BR (1) BR9002596A (de)
CA (1) CA2017872A1 (de)
DE (1) DE69010778T3 (de)
ES (1) ES2057401T5 (de)
IL (1) IL94584A0 (de)
MX (1) MX172024B (de)
ZA (1) ZA904212B (de)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5543068A (en) * 1988-04-08 1996-08-06 Japan Energy Corporation Lubricating oils for flon compressors, compositions adapted for flon compressors and composed of mixtures of said lubricating oils and flon, and process for lubricating flon compressor by using said lubricating oils
US5269955A (en) * 1989-05-08 1993-12-14 Idemitsu Kosan Co., Ltd. Lubricating oil for compression-type refrigerators and polyoxyalkylene glycol derivative
US5211867A (en) * 1989-06-28 1993-05-18 Allied-Signal Inc. Azeotrope-like compositions of pentafluoroethane and 1,1,1-trifluoroethane
GB8924057D0 (en) * 1989-10-25 1989-12-13 Ici Plc Lubricants
US5304319A (en) * 1989-11-30 1994-04-19 Matsushita Electric Industrial Co., Ltd. Working fluid
US5433879A (en) * 1989-11-30 1995-07-18 Matsushita Electric Industrial Co., Ltd. Working fluid containing difluoroethane
US5370811A (en) * 1989-11-30 1994-12-06 Matsushita Electric Industrial Co., Ltd. Working fluid containing tetrafluoroethane
US5403503A (en) * 1989-12-14 1995-04-04 Idemitsu Kosan Co., Ltd. Refrigerator oil composition for hydrogen-containing hydrofluorocarbon refrigerant
JP2792191B2 (ja) * 1990-04-04 1998-08-27 ダイキン工業株式会社 冷 媒
US5277834A (en) * 1990-07-26 1994-01-11 E. I. Du Pont De Nemours And Company Near-azeotropic blends for use as refrigerants
CA2086841C (en) * 1990-07-26 2000-05-02 Donald Bernard Bivens Near-azeotropic blends for use as refrigerants
US5722256A (en) * 1990-12-17 1998-03-03 E. I. Du Pont De Nemours And Company Air conditioner and heat pump with tetrafluoroethane-containing working fluid
US5643492A (en) * 1990-12-17 1997-07-01 E. I. Du Pont De Nemours And Company Constant boiling compositions of HFC-32, HFC-125 and HFC-134 A
US5185094A (en) * 1990-12-17 1993-02-09 E. I. Du Pont De Nemours And Company Constant boiling compositions of pentafluoroethane, difluoromethane, and tetrafluoroethane
JP2901369B2 (ja) * 1991-01-30 1999-06-07 株式会社日立製作所 冷凍機油組成物とそれを内蔵した冷媒圧縮機及び冷凍装置
JP3469587B2 (ja) * 1991-04-02 2003-11-25 三洋電機株式会社 冷媒組成物
WO1992017559A1 (en) * 1991-04-05 1992-10-15 Allied-Signal Inc. Stabilized dichlorotrifluoroethane refrigeration compositions
US5156768A (en) * 1991-04-05 1992-10-20 Allied-Signal Inc. Stabilized chlorine-containing refrigeration compositions
AU1987392A (en) * 1991-04-19 1992-11-17 Allied-Signal Inc. Refrigeration compositions of hydrofluorocarbon refrigerant and lubricant
AU648435B2 (en) * 1991-09-19 1994-04-21 Japan Energy Corporation Lubricating oils for flon compressors, compositions adapted for flon compressors and composed of mixtures of said lubricating oils and flon, and process for lubricating flon compressor by using said lubricating oils
WO1993006196A1 (en) * 1991-09-26 1993-04-01 E.I. Du Pont De Nemours And Company Compositions and process for use in refrigeration
US5290466A (en) * 1991-10-31 1994-03-01 E. I. Du Pont De Nemours And Company Compositions of difluoromethane and tetrafluoroethane
JP3200127B2 (ja) * 1991-12-18 2001-08-20 旭電化工業株式会社 冷凍機用の潤滑剤
US5294359A (en) * 1992-02-03 1994-03-15 Alliedsignal Inc. Refrigerant compositions
US6183662B1 (en) 1992-06-03 2001-02-06 Henkel Corporation Polyol ester lubricants, especially those compatible with mineral oils, for refrigerating compressors operating at high temperatures
US5976399A (en) 1992-06-03 1999-11-02 Henkel Corporation Blended polyol ester lubricants for refrigerant heat transfer fluids
BR9207136A (pt) 1992-06-03 1995-08-29 Henkel Corp Fluído de trabalho refrigerante,e,processo para operar um sistema refrigerante mecânico
US5499908A (en) * 1992-09-30 1996-03-19 Tecumseh Products Company Method of making foam in an energy efficient compressor
JP2977046B2 (ja) * 1992-11-27 1999-11-10 株式会社ジャパンエナジー アンモニア冷凍装置、該冷凍装置に用いる作動流体組成物及びアンモニア圧縮機の潤滑方法
DE69420158T2 (de) * 1993-02-19 2000-02-10 Idemitsu Kosan Co. Ltd., Tokio/Tokyo Ölzusammensetzung für Kältemaschinen
NL9300834A (nl) * 1993-05-14 1994-12-01 Bernardina Carolina Maria Enge Koelinrichting.
US5370812A (en) * 1993-06-28 1994-12-06 Union Carbide Chemicals & Plastics Technology Corporation Lubricant compositions for refrigerators comprising polyalkylene glycol and a hydrocarbon solvent
JPH07173479A (ja) * 1993-11-05 1995-07-11 Japan Energy Corp 弗化炭化水素系冷媒圧縮機用潤滑油、同潤滑油を用いる弗化炭化水素系冷媒圧縮機潤滑方法及び弗化炭化水素系冷媒圧縮機用作動流体組成物
US5492643A (en) * 1994-04-26 1996-02-20 Kenneth B. Ruello, Jr. Environmentally safer replacement refrigerant for freon 12-based refrigeration systems
US5942149A (en) * 1994-04-26 1999-08-24 Weber, Iii; Harrison M. Environmentally safer replacement refrigerant for freon 12-based refrigeration systems
US6070455A (en) * 1995-07-21 2000-06-06 Bright Solutions, Inc. Leak detection additives
US6070454A (en) * 1995-07-21 2000-06-06 Bright Solutions, Inc. Leak detection additives for use in heating, ventilating, refrigeration, and air conditioning systems
US5885942A (en) * 1997-09-23 1999-03-23 Nch Corporation Multifunctional lubricant additive
GB0107502D0 (en) * 2001-03-26 2001-05-16 Ici Plc Lubricant compositions
US20010019120A1 (en) 1999-06-09 2001-09-06 Nicolas E. Schnur Method of improving performance of refrigerant systems
US6541430B1 (en) * 2000-03-24 2003-04-01 E. I. Du Pont De Nemours And Company Fluorinated lubricant additives
US6573223B1 (en) 2002-03-04 2003-06-03 The Lubrizol Corporation Lubricating compositions with good thermal stability and demulsibility properties
US7279451B2 (en) 2002-10-25 2007-10-09 Honeywell International Inc. Compositions containing fluorine substituted olefins
US20040089839A1 (en) * 2002-10-25 2004-05-13 Honeywell International, Inc. Fluorinated alkene refrigerant compositions
US6736991B1 (en) * 2003-02-12 2004-05-18 Crompton Corporation Refrigeration lubricant for hydrofluorocarbon refrigerants
WO2005026286A1 (en) 2003-09-08 2005-03-24 Stefko Properties Llc Replacement refrigerant for refrigerant r22-based refrigeration systems
CA2542981A1 (en) * 2003-10-21 2005-05-12 Union Carbide Chemicals & Plastics Technology Corporation Refrigerant composition
US7560045B2 (en) * 2003-10-21 2009-07-14 Dow Global Technologies, Inc. Refrigerant composition
US7655610B2 (en) 2004-04-29 2010-02-02 Honeywell International Inc. Blowing agent compositions comprising fluorinated olefins and carbon dioxide
US9499729B2 (en) * 2006-06-26 2016-11-22 Honeywell International Inc. Compositions and methods containing fluorine substituted olefins
US7332102B2 (en) * 2003-11-04 2008-02-19 Stefko Properties, Llc Refrigerant with lubricating oil
US20050133756A1 (en) * 2003-11-04 2005-06-23 Ponder Kenneth M. Refrigerant with lubricating oil
US7943380B2 (en) * 2004-06-02 2011-05-17 Bright Solutions, Inc. Leak detection materials and methods
WO2006071965A2 (en) * 2004-12-28 2006-07-06 Stefko Properties, Llc Refrigerant for low temperature applications
US8574451B2 (en) * 2005-06-24 2013-11-05 Honeywell International Inc. Trans-chloro-3,3,3-trifluoropropene for use in chiller applications
US7732386B2 (en) 2005-10-25 2010-06-08 Chevron U.S.A. Inc. Rust inhibitor for highly paraffinic lubricating base oil
EP2205706A1 (de) * 2007-10-15 2010-07-14 Dow Global Technologies Inc. Funktionelle flüssigkeitszusammensetzung zur erhöhung der gleitfähigkeit eines bremssystems
US8322149B2 (en) * 2008-04-01 2012-12-04 Honeywell International Inc. Method for selecting lubricants for heat pumps
WO2009146122A1 (en) 2008-04-04 2009-12-03 Dow Global Technologies Inc. Refrigerant composition
US8038899B2 (en) * 2008-04-28 2011-10-18 Honeywell International Inc. Refrigerant compositions having a siloxane solubilizing agent
EP2303947A1 (de) * 2008-07-16 2011-04-06 Dow Global Technologies Inc. Kühlmittelzusammensetzungen mit silyl-terminierten polyalkylenglycolen als schmiermitteln und verfahren zu ihrer herstellung
WO2010075046A2 (en) * 2008-12-23 2010-07-01 Shrieve Chemical Products, Inc. Refrigerant lubricant composition
EP4219645A1 (de) 2009-09-09 2023-08-02 Honeywell International, Inc. Monochlortrifluorpropenverbindungen sowie zusammensetzungen und verfahren damit
EP2547848B1 (de) * 2010-03-18 2015-08-12 Alcoa Inc. Verriegelung mit anpassbarem griff
FR2971512B1 (fr) 2011-02-10 2013-01-18 Arkema France Compositions binaires de 2,3,3,3-tetrafluoropropene et d'ammoniac
FR2973805B1 (fr) 2011-04-08 2013-04-12 Arkema France Compositions comprenant du 3,3,3-trifluoropropene et de l'ammoniac
FR2974812B1 (fr) 2011-05-04 2014-08-08 Arkema France Compositions de transfert de chaleur presentant une miscibilite amelioree avec l'huile de lubrification
US9187682B2 (en) * 2011-06-24 2015-11-17 Emerson Climate Technologies, Inc. Refrigeration compressor lubricant
FR2986007B1 (fr) 2012-01-25 2015-01-23 Arkema France Compositions de transfert de chaleur presentant une miscibilite amelioree avec l'huile de lubrification
FR2986236B1 (fr) 2012-01-26 2014-01-10 Arkema France Compositions de transfert de chaleur presentant une miscibilite amelioree avec l'huile de lubrification
JP2013234796A (ja) * 2012-05-09 2013-11-21 Mitsubishi Electric Corp ヒートポンプ装置
FR3008419B1 (fr) 2013-07-11 2015-07-17 Arkema France Compositions a base de 2,3,3,3-tetrafluoropropene presentant une miscibilite amelioree
WO2015109095A1 (en) 2014-01-16 2015-07-23 Shrieve Chemical Products, Inc. Desicating synthetic refrigeration lubricant composition
ES2718389T3 (es) 2015-04-03 2019-07-01 Arconic Inc Cierre que tiene un rebaje de herramienta en el gatillo
CA2978353C (en) 2015-07-08 2019-09-10 Arconic Inc. Handle mechanisms
JP6522230B2 (ja) 2015-08-04 2019-05-29 アーコニック インコーポレイテッドArconic Inc. 圧力解放掛け金
CA2992095C (en) 2015-08-26 2019-02-26 Arconic Inc. Adjustable pressure relief latch
WO2017040496A1 (en) 2015-09-01 2017-03-09 Alcoa Inc. Adjustable hook latch
WO2017058860A1 (en) 2015-09-30 2017-04-06 Alcoa Inc. Pressure relief door
WO2017075345A1 (en) 2015-10-30 2017-05-04 Alcoa Inc. Pressure relief latch
ES2718453T3 (es) 2016-01-21 2019-07-02 Arconic Inc Cierre de trinquete
EP3469171B1 (de) 2016-06-13 2023-05-10 Howmet Aerospace Inc. Drehbares riegelsystem
CN107828460B (zh) * 2017-10-20 2020-08-25 珠海格力节能环保制冷技术研究中心有限公司 冷冻油、其应用及压缩机
EP4194532B1 (de) 2018-01-23 2024-05-22 The Chemours Company FC, LLC Zusammensetzungen, system und verfahren zum einbringen von poe-schmiermittel in elektrische (hev, phev, ev) fahrzeugklimaanlagen/heizsysteme oder stationäre klima- oder kühlanlagen unter verwendung von hfo-1234yf
EP3743481B1 (de) 2018-01-23 2022-10-05 The Chemours Company FC, LLC System und verfahren zum einbringen von pag-schmiermittel und kältemittel in eine klimaanlage
US10913913B2 (en) 2018-01-23 2021-02-09 The Chemours Company Fc, Llc Polyol ester compositions
US10883063B2 (en) 2018-01-23 2021-01-05 The Chemours Company Fc, Llc Compositions, system and methods for introducing PAG lubricant or refrigerant into an air-conditioning or system using lower or low GWP refrigerant or refrigerant blends
FR3077822B1 (fr) 2018-02-15 2020-07-24 Arkema France Compositions de transfert de chaleur en remplacement du r-134a
AU2019261937A1 (en) 2018-04-30 2020-09-03 The Chemours Company Fc, Llc Stabilized fluoroolefin compositions and methods for their production, storage and usage
AU2022309709A1 (en) 2021-07-12 2023-11-09 The Chemours Company Fc, Llc Stabilized fluoroethylene compositions and methods for their storage and usage
CA3234015A1 (en) 2021-10-21 2023-04-27 The Chemours Company Fc, Llc Stabilized blend compositions comprising 2,3,3,3-tetrafluoropropene
KR20240093645A (ko) 2021-10-21 2024-06-24 더 케무어스 컴퍼니 에프씨, 엘엘씨 2,3,3,3-테트라플루오로프로펜을 포함하는 조성물
CA3234013A1 (en) 2021-10-21 2023-04-27 The Chemours Company Fc, Llc Stabilized compositions comprising 2,3,3,3-tetrafluoropropene
CN118302501A (zh) 2022-01-18 2024-07-05 科慕埃弗西有限公司 含有染料的氟代烯烃组合物及它们的制备、储存和使用方法
WO2023177852A1 (en) 2022-03-18 2023-09-21 The Chemours Company Fc, Llc Hydrocarbon additives for 1234yf and hfc compositions, methods for their production, storage and usage

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53140469A (en) * 1977-05-13 1978-12-07 Nippon Oil Co Ltd Component of high viscosity refrigerator oil
US4170564A (en) * 1977-10-06 1979-10-09 Milliken Research Corporation Refrigerants colored for leak indication with substituted anthraquinone dyes
JPS5558298A (en) * 1978-10-25 1980-04-30 Nippon Oil Co Ltd Lubricating oil for rotary refrigerant compressor
JPS5585864A (en) * 1978-12-25 1980-06-28 Hitachi Ltd Closed circulating absorption refrigerating amchine
JPS5679175A (en) * 1979-11-30 1981-06-29 Daikin Ind Ltd Absorption refrigerant carrier composition
JPS5840468A (ja) * 1981-09-04 1983-03-09 株式会社日立製作所 密閉循環系吸収式冷凍機
US4751012A (en) * 1985-12-23 1988-06-14 The Dow Chemical Company Lubricants for reciprocating air compressors
US4767554A (en) * 1987-09-18 1988-08-30 Nalco Chemical Company Polycarboxylic acid ester drawing and ironing lubricant emulsions and concentrates
US4755316A (en) * 1987-10-23 1988-07-05 Allied-Signal Inc. Refrigeration lubricants
US4916914A (en) * 1988-05-27 1990-04-17 Cpi Engineering Services, Inc. Rotary displacement compression heat transfer systems incorporating highly fluorinated refrigerant-synthetic oil lubricant compositions
US4851144A (en) * 1989-01-10 1989-07-25 The Dow Chemical Company Lubricants for refrigeration compressors
US4950415A (en) * 1989-11-17 1990-08-21 Nalco Chemical Company Water washable dry film lubricants

Also Published As

Publication number Publication date
KR910000987A (ko) 1991-01-30
ES2057401T5 (es) 1998-03-01
US4971712A (en) 1990-11-20
MX172024B (es) 1993-11-29
US5152926A (en) 1992-10-06
DE69010778T2 (de) 1995-03-09
JPH03103497A (ja) 1991-04-30
EP0402009B1 (de) 1994-07-20
CA2017872A1 (en) 1990-12-02
IL94584A0 (en) 1991-04-15
DE69010778T3 (de) 1998-02-26
BR9002596A (pt) 1991-08-20
DE69010778D1 (de) 1994-08-25
EP0402009B2 (de) 1997-12-03
ATE108820T1 (de) 1994-08-15
ES2057401T3 (es) 1994-10-16
CN1047689A (zh) 1990-12-12
JP2818471B2 (ja) 1998-10-30
EP0402009A1 (de) 1990-12-12
AU5619790A (en) 1990-12-06
AU631646B2 (en) 1992-12-03

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