EP2705107A2 - Procédés et compositions de transfert de chaleur - Google Patents

Procédés et compositions de transfert de chaleur

Info

Publication number
EP2705107A2
EP2705107A2 EP12779962.5A EP12779962A EP2705107A2 EP 2705107 A2 EP2705107 A2 EP 2705107A2 EP 12779962 A EP12779962 A EP 12779962A EP 2705107 A2 EP2705107 A2 EP 2705107A2
Authority
EP
European Patent Office
Prior art keywords
weight
hfc
heat transfer
hfo
systems
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP12779962.5A
Other languages
German (de)
English (en)
Other versions
EP2705107A4 (fr
Inventor
Samuel F. Yana Motta
Mark W. Spatz
Ronald P. Vogl
Elizabet Del Carmen Vera Becerra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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
Priority claimed from US13/099,218 external-priority patent/US20110219815A1/en
Application filed by Honeywell International Inc filed Critical Honeywell International Inc
Publication of EP2705107A2 publication Critical patent/EP2705107A2/fr
Publication of EP2705107A4 publication Critical patent/EP2705107A4/fr
Withdrawn legal-status Critical Current

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
    • 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
    • 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
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/10—Components
    • C09K2205/12—Hydrocarbons
    • C09K2205/126—Unsaturated fluorinated hydrocarbons
    • 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
    • C09K2205/40—Replacement mixtures

Definitions

  • This invention relates to compositions, methods and systems having utility in refrigeration applications, with particular benefit in medium and low temperature refrigeration applications, and in particular aspects to refrigerant compositions for replacement of refrigerant HFC-404A for heating and cooling applications and to retrofitting medium and low temperature refrigerant systems, including systems designed for use with HFC-404A.
  • Fluorocarbon based fluids have found widespread use in many residential, commercial and industrial applications, including as the working fluid in systems such as air conditioning, heat pump and refrigeration systems. Because of certain suspected environmental problems, including the relatively high global warming potentials associated with the use of some of the compositions that have heretofore been used in these applications, it has become increasingly desirable to use fluids having low or even zero ozone depletion and global warming potentials, such as hydrofluorocarbons ("HFCs"). For example, a number of governments have signed the Kyoto Protocol to protect the global environment and setting forth a reduction of C02 emissions (global warming).
  • HFCs hydrofluorocarbons
  • HFC-404A the combination of HFC-125:HFC-143a:HFC134a in an approximate 44:52:4 weight ratio is referred to in the art as HFC-404A or R-404A).
  • R-404A has an estimated high Global Warming Potential (GWP) of 3922.
  • hydrofluorocarbon compounds and compositions that are attractive alternatives to the compositions heretofore used in these and other applications.
  • chlorine-containing refrigerants with non-chlorine-containing refrigerant compounds that will not deplete the ozone layer, such as hydrofluorocarbons (HFC's).
  • HFC's hydrofluorocarbons
  • any potential substitute must also possess those properties present in many of the most widely used fluids, such as excellent heat transfer properties, chemical stability, low- or no- toxicity, non-flammability and/or lubricant compatibility, among others.
  • thermodynamic performance or energy efficiency may have secondary environmental impacts through increased fossil fuel usage arising from an increased demand for electrical energy.
  • CFC refrigerant substitutes it is generally considered desirable for CFC refrigerant substitutes to be effective without major engineering changes to conventional vapor compression technology currently used with CFC refrigerants.
  • Flammability is another important property for many applications. That is, it is considered either important or essential in many applications, including particularly in heat transfer applications, to use compositions which are non-flammable. Thus, it is frequently beneficial to use in such compositions compounds which are nonflammable.
  • nonflammable refers to compounds or compositions which are determined to be nonflammable as determined in accordance with ASTM standard E-681 , dated 2002, which is incorporated herein by reference.
  • HFC's which might otherwise be desirable for used in refrigerant compositions are not nonflammable as that term is used herein.
  • the fluoroalkane is another important property for many applications. That is, it is considered either important or essential in many applications, including particularly in heat transfer applications, to use compositions which are non-flammable. Thus, it is frequently beneficial to use in such compositions compounds which are nonflammable.
  • nonflammable refers to compounds or compositions which are determined to be nonflammable as determined in accordance with ASTM standard E-681 , dated 2002, which is incorporated herein
  • HFC-152a difluoroethane
  • HFO-1243zf fluoroalkene 1 ,1 ,1-trifluorpropene
  • thermoelectric compositions that are highly advantageous in heating and cooling systems and methods, particularly vapor compression heating and cooling systems, and even more particularly low temperature refrigerant systems, including systems which are used with and/or have been designed for use with HFC-404A.
  • compositions, methods and systems which comprise or utilize a multi- component mixture comprising: (a) from about 10% to about 35% by weight of difluoromethane (HFC-32); (b) from about 10% to about 35% by weight of
  • HFC-125 pentafluoroethane
  • HFO- 1234ze from about 20% to about 50% by weight of HFO- 1234ze, HFO-1234yf and combinations of these
  • HFC-134a from about 15% to about 35% by weight of 1 ,1 ,1 ,2-tetrafluoroethane (HFC-134a); and optionally (e) up to about 10% by weight of CF 3 I and up to about 5% by weight of HFCO-1233ze, with the weight percent being based on the total of the components (a) - (e) in the composition.
  • the compositions comprise a multi-component mixture comprising: (a) from about 15% to about 30% by weight of HFC-32; (b) from about 10% to about 30% by weight of HFC-125; (c) from about 20% to about 50% by weight of HFO-1234ze, HFO-1234yf, and combinations of these; (d) from about 15% to about 35% by weight of HFC-134a; and optionally (e) up to about 5% by weight of CF3I and up to about 5% by weight of HFCO-1233ze, with the weight percent being based on the total of the components (a) - (e) in the composition.
  • the compositions comprise a multi-component mixture comprising: (a) from about 20% to about 30% by weight of HFC-32; (b) from about 20% to about 30% by weight of HFC-125; (c) from about 0% (and/or greater than 0%) to about 15% by weight of HFO-1234yf and from about 10% to about 30% by weight of HFO-1234ze; (d) from about 15% to about 30% by weight of HFC-134a; and optionally (e) up to about 5% by weight of CF3I and up to about 5% by weight of HFCO-1233ze, with the weight percent being based on the total of the components (a) - (e) in the composition.
  • the present invention provides also methods and systems which utilize the compositions of the present invention, including methods and systems for heat transfer and for retrofitting existing heat transfer systems.
  • Certain preferred method aspects of the present invention relate to methods of providing relatively low temperature cooling, such as in low temperature refrigeration systems.
  • Other preferred method aspects of the present invention provide methods of retrofitting an existing refrigeration system, preferably low temperature refrigeration systems, designed to contain and/or containing R-404A refrigerant comprising introducing a composition of the present invention into the system without substantial engineering modification of said existing refrigeration system.
  • HFO-1234ze is used herein generically to refer to 1 ,1 ,1 ,3- tetrafluoropropene, independent of whether it is the cis- or trans- form.
  • cisHFO-1234ze and “transHFO-1234ze” are used herein to describe the cis- and trans- forms of 1 ,1 ,1 ,3-tetrafluoropropene respectively.
  • HFO-1234ze therefore includes within its scope cisHFO-1234ze, transHFO-1234ze, and all combinations and mixtures of these.
  • HFO-1233 is used herein to refer to all trifluoro,monochloropropenes. Among the trifluoro,monochloropropenes are included 1 ,1 ,1 ,trifluoro-2,chloro-propene (HFCO-1233xf), both cis- and trans-1 ,1 ,1 -trifluo-3,chlororopropene (HFCO-1233zd).
  • HFCO-1233zd is used herein generically to refer to 1 ,1 ,1 -trifluo-3,chloro- propene, independent of whether it is the cis- or trans- form.
  • cisHFCO- 1233zd and “transHFCO-1233zd” are used herein to describe the cis- and trans- forms of 1 , 1 , 1 -trifluo,3-chlororopropene, respectively.
  • HFCO-1233zd therefore includes within its scope cisHFCO-1233zd, transHFCO-1233zd, and all combinations and mixtures of these.
  • Low temperature refrigeration systems are important in many applications, such as to the food manufacture, distribution and retail industries. Such systems play a vital role in ensuring that food which reaches the consumer is both fresh and fit to eat.
  • HFC-404A which has an estimated high Global Warming Potential (GWP) of 3922.
  • GWP Global Warming Potential
  • the present invention may also encompass medium temperature refrigeration composition, systems and methods.
  • the present methods and systems involve evaporator temperatures of from above about -15°C to about 5°C.
  • An example of such a medium temperature system and method involves providing cooling in the fresh food compartment of a residential refrigerator.
  • compositions of the present invention are generally adaptable for use in heat transfer applications, that is, as a heating and/or cooling medium, but are particularly well adapted for use, as mentioned above, in medium and low temperature refrigeration systems, and preferably in low temperature systems, that have heretofor used HFC- 404A and/or systems that have heretofor used R-22.
  • compositions having a weight ratio of HFO-1234ze:HFO-1234yf of from about 5:1 to about 0,7:1 , more preferably from about 1 :1 about 3:1 . In certain preferred embodiments, a ratio of about 4:1 is preferred.
  • the combination HFO-1234ze and HFO-1234yf is referred to herein as the "tetrafluoropropene component" or "TFC,” and in certain embodiments highly preferred combinations of properties can be achieved for composition which comprise a weight ratio of HFC-134a:TFC of from about 5:7 to about 1 :1 , with a ratio of about 4:6 being preferred in certain embodiments.
  • HFO-1234ze comprise transHFO-1234ze, and preferably comprise transHFO-1234ze in major proportion, and in certain embodiments consist essentially of transHFO-1234ze.
  • compositions of the present invention are capable of achieving a difficult to achieve combination of properties, including particularly low GWP.
  • Table A illustrates the substantial improvement in GWP exhibited by certain compositions of the present invention in comparison to the GWP of HFC-404A, which has a GWP of 3922.
  • compositions of the present invention may include other components for the purpose of enhancing or providing certain functionality to the composition, or in some cases to reduce the cost of the composition.
  • refrigerant compositions according to the present invention especially those used in vapor compression systems, include a lubricant, generally in amounts of from about 30 to about 50 percent by weight of the composition, and in some case potentially in amount greater than about 50 percent and other cases in amounts as low as about 5 percent.
  • the present compositions may also include a compatibilizer, such as propane, for the purpose of aiding compatibility and/or solubility of the lubricant.
  • compatibilizers including propane, butanes and pentanes, are preferably present in amounts of from about 0.5 to about 5 percent by weight of the composition.
  • Combinations of surfactants and solubilizing agents may also be added to the present compositions to aid oil solubility, as disclosed by U.S. Patent No. 6,516,837, the disclosure of which is incorporated by reference.
  • Commonly used refrigeration lubricants such as Polyol Esters (POEs) and Poly Alkylene Glycols (PAGs), PAG oils, silicone oil, mineral oil, alkyl benzenes (ABs) and poly(alpha-olefin) (PAO) that are used in refrigeration machinery with hydrofluorocarbon (HFC) refrigerants may be used with the refrigerant compositions of the present invention.
  • Commonly available refrigeration lubricants such as Polyol Esters (POEs) and Poly Alkylene Glycols (PAGs), PAG oils, silicone oil, mineral oil, alkyl benzenes (ABs) and poly(alpha-olefin) (PAO) that are used in refrigeration machinery with hydrofluorocarbon (HFC) refrig
  • alkyl benzene lubricants include Zerol 150 (registered trademark).
  • Commercially available esters include neopentyl glycol dipelargonate, which is available as Emery 2917 (registered trademark) and Hatcol 2370 (registered trademark).
  • Other useful esters include phosphate esters, dibasic acid esters, and fluoroesters.
  • hydrocarbon based oils are have sufficient solubility with the refrigerant that is comprised of an iodocarbon, the combination of the iodocarbon and the hydrocarbon oil might more stable than other types of lubricant. Such combination may therefore be advantageous.
  • Preferred lubricants include polyalkylene glycols and esters. Polyalkylene glycols are highly preferred in certain embodiments because they are currently in use in particular applications such as mobile air- conditioning. Of course, different mixtures of different types of lubricants may be used.
  • compositions of the present invention are used in refrigeration systems originally designed for use with an HFC refrigerant, such as, for example, R-404.
  • HFC refrigerant such as, for example, R-404.
  • the preferred compositions of the present invention tend to exhibit many of the desirable characteristics of R-404A but have a GWP that is substantially lower than that of R-404A while at the same time having a capacity and/or efficiency that is substantially similar to or substantially matches, and preferably is as high as or higher than R-404A.
  • GWPs global warming potentials
  • the present compositions have a GWP of about 1500 or less, and even more preferable of less than about 1000.
  • the present compositions are used in refrigeration systems which had contained and/or had originally been designed for use with R-404A.
  • Preferred refrigeration compositions of the present invention may be used in refrigeration systems containing a lubricant used conventionally with R-404A, such as mineral oils, polyalkylbenzene, polyalkylene glycol oils, and the like, or may be used with other lubricants traditionally used with HFC refrigerants.
  • a lubricant used conventionally with R-404A such as mineral oils, polyalkylbenzene, polyalkylene glycol oils, and the like
  • the term "refrigeration system” refers generally to any system or apparatus, or any part or portion of such a system or apparatus, which employs a refrigerant to provide cooling.
  • Such refrigeration systems include, for example, air conditioners, electric refrigerators, chillers (including chillers using centrifugal compressors), and the like.
  • low temperature refrigeration system refers to vapor compression refrigeration systems which utilize one or more compressors and a condenser temperature of from about 35°C to about 45°C.
  • the systems have an evaporator temperature of from about - 40°C and less than about -15°C, more preferably from about - 35°C to about - 25°C, with an evaporator temperature preferably of about - 32°C.
  • evaporator temperature of from about - 40°C and less than about -15°C, more preferably from about - 35°C to about - 25°C, with an evaporator temperature preferably of about - 32°C.
  • the systems have a degree of superheat at evaporator outlet of from about 0°C to about 10°C, with a degree of superheat at evaporator outlet preferably of from about 4°C to about 6°C.
  • the systems have a degree of superheat in the suction line of from about 15°C to about 25°C, with a degree of superheat in the suction line preferably of from about 20°C to about 25°C.
  • the heat transfer compositions of the present invention may be used to retrofit an existing refrigeration system with or without having to substantially modify the system and with or without having to drain completely the existing refrigerant.
  • part of the refrigerant charge is drained from the system, which may include more than 5%, 10%, 25%, 50%, 75% or the like.
  • the removed refrigerant charge is then replaced with one or a combination of the nonflammable, low GWP refrigerants discussed herein.
  • the refrigerants of the present invention may be used to "top off' existing systems after a partial refrigerant leak.
  • a refrigerant system is provided with less than the full or designed charge of refrigerant in the system, which, in preferred embodiments, occurs as a result of leakage of refrigerant from the system, and a refrigerant composition of the present invention is used to recharge the system, preferably during normal recharge maintenance. If the system leaked R404A, for example, it would be recharged with one or a combination of the blends identified herein.
  • the present methods permit such to occur while substantially maintaining capacity of the system, maintaining or improving energy efficiency (lower electricity consumption which equates to lower operating cost for the users), and lowering the GWP of the refrigerant contained in the system (lowering environmental impact).
  • a method can be performed regardless of how much refrigerant has leaked, preferably without a blend calculation, and provides a simple (and low cost) way to reduce environmental impact associated with recharging of an existent system without deviating from the routine maintenance schedule of the system.
  • one advantage of the methods and compositions of the present invention is that, from a workability standpoint, there is generally not a great incentive to ensure that R404A is entirely absent from the low GWP refrigerants, and vice versa, and under such circumstances there is an increased possibility that, in the absence of the methods provided by the present invention, substantial and severe problems would arise with the operation of many existing automatic purge systems.
  • the present methods overcome these problems and add reliability, safety and efficiency to the systems.
  • the coefficient of performance is a universally accepted measure of refrigerant performance, especially useful in representing the relative thermodynamic efficiency of a refrigerant in a specific heating or cooling cycle involving evaporation or condensation of the refrigerant.
  • this term expresses the ratio of useful refrigeration to the energy applied by the compressor in compressing the vapor.
  • the capacity of a refrigerant represents the amount of cooling or heating it provides and provides some measure of the capability of a compressor to pump quantities of heat for a given volumetric flow rate of refrigerant. In other words, given a specific compressor, a refrigerant with a higher capacity will deliver more cooling or heating power.
  • One means for estimating COP of a refrigerant at specific operating conditions is from the thermodynamic properties of the refrigerant using standard refrigeration cycle analysis techniques (see for example, R.C. Downing,
  • a low temperature refrigeration system is provided.
  • the condenser temperature is set to 40.55°C, which generally corresponds to an outdoor temperature of about 35°C.
  • the degree of subcooling at the expansion device inlet is set to 5.55°C.
  • the evaporating temperature is set to -31 .6°C, which corresponds to a box temperature of about -26°C.
  • the degree of superheat at evaporator outlet is set to 5.55°C.
  • the degree of superheat in the suction line is set to 13.88°C, and the compressor efficiency is set to 65%.
  • the pressure drop and heat transfer in the connecting lines are considered negligible, and heat leakage through the compressor shell is ignored.
  • compositions A1 - A4 identified in Table A above in accordance with the present invention are determined for the compositions A1 - A4 identified in Table A above in accordance with the present invention, and these operating parameters are reported in Table 1 below, based upon HFC-404A having a COP value of 100%, a capacity value of 100% and a discharge temperature of 97.6°C
  • compositions of the present invention are capable of at once achieving many of the important
  • compositions A1 - A4 exhibit capacities in this low temperature refrigeration system that are within about 8%, and even more preferably within about 5% of that of R404A. . All these blends have efficiencies (COPs) higher than that of R404A by as much as 10% which is very desirable.
  • COPs efficiencies
  • the present invention provides retrofitting methods which comprise removing at least a portion of the existing refrigerant from the system and replacing at least a portion of the removed refrigerant with a composition of the present invention, preferably without substantial modification of the system and even more preferably without any change in major system
  • Such operating parameters include:
  • High-Side Pressure that is within about 105%, and even more preferably within about 103% of the high side pressure of the system using R404A. This parameter is important in such embodiments because it allows the use of existing pressure components.
  • Discharge Temperature that is preferably lower than about 130°C, and even more preferably lower than about 125°C.
  • the advantage of such a characteristic is that it permits the use of existing equipment without activation of the thermal protection aspects of the system, which are preferably designed to protect compressor components. This parameter is advantageous in that it avoids the use of costly controls such as liquid injection to reduce discharge temperature.
  • Lower suction pressures are acceptable if they do not cause the system to go into sub-atmospheric pressure at low evaporation temperatures. This positive pressure is required to ensure that the system has always positive pressure, avoiding any contamination with humid air in case of leak. To evaluate this requirement, one would employ a property called "Normal Boiling Temperature” (NBT: boiling temperature at atmospheric pressure) of the fluid in question. This NBT should be as close as possible to the one of the fluid replaced (R404A) and at least lower than the lowest evaporation temperature found in typical commercial systems (example: -40°C).
  • NBT Normal Boiling Temperature
  • compositions A1 - A4 identified in Table A above in accordance with the present invention, and these operating parameters is reported in Table 2 below:
  • the replacement step is a drop-in replacement in the sense that no substantial redesign or modification of the system is required and no major item of equipment needs to be replaced in order to accommodate the refrigerant of the present invention. That is the case with the compositions A1 - A4, which in general can be used in most retrofit procedures without any change of major components. In all compositions A1 - A4, the discharge pressure and temperature is below the limit and the Normal Boiling Temperature is similar to R404A therefore they can be used in most existent refrigeration systems.

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  • 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)
  • Lubricants (AREA)
  • Ink Jet (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Compositions, procédés et systèmes renfermant ou faisant appel à un mélange à plusieurs constituants, qui contient : (a) d'environ 10 % à environ 35 % en poids de HFC-32; (b) d'environ 10 % à environ 35 % en poids de HFC-125; (c) d'environ 20 % à environ 50 % en poids de HFO-1234ze, de HFO-1234yf et de combinaisons de ceux-ci; (d) d'environ 15 % à environ 35 % en poids de HFC-134a; et éventuellement (e) jusqu'à environ 10 % en poids de CF3I et jusqu'à environ 5 % en poids de HFCO-1233ze, le pourcentage en poids étant rapporté au poids total des constituants (a) - (e) de la composition.
EP12779962.5A 2011-05-02 2012-05-02 Procédés et compositions de transfert de chaleur Withdrawn EP2705107A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/099,218 US20110219815A1 (en) 2009-05-08 2011-05-02 Heat transfer compositions and methods
US201261598056P 2012-02-13 2012-02-13
PCT/US2012/036056 WO2012151238A2 (fr) 2011-05-02 2012-05-02 Procédés et compositions de transfert de chaleur

Publications (2)

Publication Number Publication Date
EP2705107A2 true EP2705107A2 (fr) 2014-03-12
EP2705107A4 EP2705107A4 (fr) 2014-10-15

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EP12779962.5A Withdrawn EP2705107A4 (fr) 2011-05-02 2012-05-02 Procédés et compositions de transfert de chaleur

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Country Link
EP (1) EP2705107A4 (fr)
JP (1) JP2014514423A (fr)
KR (1) KR20140027362A (fr)
CN (1) CN103635558A (fr)
AU (1) AU2012250863A1 (fr)
BR (1) BR112013028071A2 (fr)
CA (1) CA2834894A1 (fr)
MX (1) MX2013012673A (fr)
RU (1) RU2013152876A (fr)
WO (1) WO2012151238A2 (fr)

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PT3239269T (pt) 2014-09-25 2020-09-02 Daikin Ind Ltd Composição compreendendo hfc e hfo
JP2018535296A (ja) * 2015-10-07 2018-11-29 ハネウェル・インターナショナル・インコーポレーテッドＨｏｎｅｙｗｅｌｌ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｉｎｃ． システムを再充填するための方法及び組成物、並びに再充填したシステム
CN108291134A (zh) 2015-11-20 2018-07-17 大金工业株式会社 含有氟代烃的混合物的组合物及其应用
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JP6555315B2 (ja) * 2017-10-16 2019-08-07 ダイキン工業株式会社 ＨＦＯ−１２３４ｚｅ（Ｅ）及びＨＦＣ−１３４を含有する冷媒組成物及びその使用
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MX2013012673A (es) 2013-12-02
AU2012250863A1 (en) 2013-11-14
WO2012151238A3 (fr) 2013-02-28
JP2014514423A (ja) 2014-06-19
EP2705107A4 (fr) 2014-10-15
CN103635558A (zh) 2014-03-12
CA2834894A1 (fr) 2012-11-08
KR20140027362A (ko) 2014-03-06
BR112013028071A2 (pt) 2020-08-04
WO2012151238A2 (fr) 2012-11-08

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