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106results about How to "Low GWP" patented technology
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Heat-transfer compositions exhibiting improved miscibility with the lubricating oil
InactiveUS20140075969A1Reduce environmental impactLow GWPIce productionCompression machines with non-reversible cycle1,1,1,2-Tetrafluoroethane2,3,3,3-Tetrafluoropropene
The invention relates to the use of 1,1,1,2-tetrafluoroethane for increasing the miscibility of 2,3,3,3-tetrafluoropropene with a lubricating oil, and in particular with a polyalkylene glycol oil. In this regard, the invention provides heat-transfer compositions and also equipment and processes using these compositions.
Owner:ARKEMA FRANCE SA
Heat-transfer fluids and use thereof in countercurrent heat exchangers
ActiveUS20130055739A1Good energy performance levelReduce environmental impactHeat-exchange elementsRefrigeration components1,1-Difluoroethane1,3,3,3-Tetrafluoropropene
The invention relates to a ternary composition comprising difluoromethane, 1,3,3,3-tetrafluoropropene and a hydrocarbon-derived compound containing at least two fluorine atoms and having a boiling point of between −30 and −20° C., which is selected from 1,1-difluoroethane, 1,1,1,2-tetrafluoroethane and 2,3,3,3-tetrafluoropropene. This composition is particularly suitable for use as a heat-transfer fluid in the presence of countercurrent heat exchangers.
Owner:ARKEMA FRANCE SA
Heat-transfer fluids and use thereof in countercurrent heat exchangers
InactiveUS20130055733A1Reduced GWPImprove performanceCompression machines with non-reversible cycleCompression machines with cascade operationBoiling point1,3,3,3-Tetrafluoropropene
The invention relates to a ternary composition comprising difluoromethane, 3,3,3-trifluoropropene and a hydrocarbon-derived compound containing at least two fluorine atoms and having a boiling point of between −30 and −18° C., which is selected from 1,1-difluoroethane, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. This composition is particularly suitable for use as a heat-transfer fund in the presence of countercurrent heat exchangers.
Owner:ARKEMA FRANCE SA
Heat transfer compositions comprising 2,3,3,3-tetrafluoropropene and ammonia
InactiveUS8858825B2Reduce environmental impactLow GWPHeat pumpsCompression machines with non-reversible cycleHeat transfer fluidAmmonia
The invention relates to a composition comprising:a heat-transfer fluid comprising from 15% to 30% ammonia and from 70% to 85% 2,3,3,3-tetrafluoropropene; anda lubricant oil comprising a polyalkylene glycol.The invention also relates to the use of ammonia for increasing the miscibility of 2,3,3,3-tetrafluoropropene with the polyalkylene glycol, and vice versa.
Owner:ARKEMA FRANCE SA
Binary compositions of 2,3,3,3-tetrafluoropropene and of ammonia
InactiveUS20140008565A1Low GWPIncrease capacityOther chemical processesHeat-exchange elementsAmmoniaHeat transfer fluid
A binary composition of 2,3,3,3-tetrafluoropropene and of ammonia, and also to the use thereof, in particular as a heat transfer fluid.
Owner:ARKEMA FRANCE SA
Compositions and methods for reducing fire hazard of flammable refrigerants
InactiveUS20050242323A1Reduce flammabilityIncreases GWPHeat-exchange elementsLubricant compositionEngineeringAir conditioning
The present invention relates to compositions comprising flammable refrigerant, fire hazard-reducing agent, and optionally a lubricant suitable for use in a refrigeration or air conditioning apparatus. Further, the present invention relates to compositions comprising lubricant and fire hazard-reducing agent and methods for reducing flammability of flammable refrigerant, for delivering a fire hazard-reducing agent to a refrigeration or air conditioning apparatus, and for replacing a non-flammable refrigerant with a flammable refrigerant.
Owner:THE CHEMOURS CO FC LLC
Ternary heat-transfer fluids comprising difluoromethane, pentafluoroethane and tetrafluoropropene
InactiveUS20130055738A1Reduce the impact of heatLow GWPHeat-exchange elementsRefrigeration componentsThermodynamicsMaterials science
The invention relates to a ternary composition comprising: from 5 to 50% of difluoromethane;—from 2 to 20% of pentafluoroethane; and—from 30 to 90% of tetrafluoropropeae. The tetrafluoropropeae may be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. This composition can he used as a heat-transfer fluid in vapor compression circuit.
Owner:ARKEMA FRANCE SA
Binary compositions of 2,3,3,3-tetrafluoropropene and of ammonia
InactiveUS9028706B2Low GWPIncrease capacityOther chemical processesOrganic non-surface-active detergent compositionsHeat transfer fluidAmmonia
A binary composition of 2,3,3,3-tetrafluoropropene and of ammonia, and also to the use thereof, in particular as a heat transfer fluid.
Owner:ARKEMA FRANCE SA
Refrigerants containing (e)-1,1,1,4,4,4-hexafluorobut-2-ene
ActiveUS20130255284A1Reduce environmental impactOvercomes drawbackCompression machines with non-reversible cycleCompression machines with cascade operationRefrigerantBoiling point
The invention relates to a composition comprising (E)-1,1,1,4,4,4-hexafluorobat-2-ene as a mixture with at least one hydrocarbon, hydrofinorocarbon or fluoroolefin compound having a boiling point less than or equal to 42° C., and also to the use of this composition as a heat transfer fluid.
Owner:ARKEMA FRANCE SA
Heat-transfer compositions exhibiting improved miscibility with the lubricating oil
InactiveUS20160194541A1Reduce environmental impactLow GWPIce productionCompression machines with non-reversible cycleHeat transfer fluid1,1,1,2-Tetrafluoroethane
The use of 1,1,1,2-tetrafluoroethane for increasing the miscibility of 2,3,3,3-tetrafluoropropene with a lubricating oil, and in particular with a polyalkylene glycol oil. Further included are heat-transfer compositions and also equipment and processes using these compositions. Also, a kit including a heat-transfer fluid including 2,3,3,3-tetrafluoropropene and 1,1,1,2-tetrafluoroethane, and a lubricant oil including a polyalkylene glycol, for use in a heat-transfer installation including a vapor compression circuit.
Owner:ARKEMA FRANCE SA
2,3,3,3-tetrafluoropropene compositions having improved miscibility
ActiveUS20160376484A1Good miscibilityReduce the impact of heatCompressorCompression machines with non-reversible cycleAlcoholAmmonia
The use of an alcoholic compound to improve the miscibility of ammonia with 2,3,3,3-tetrafluoropropene, as well as to compositions of ammonia, 2,3,3,3-tetrafluoropropene and an alcoholic compound, and the use thereof, in particular in heat-transfer applications. A composition including 2,3,3,3-tetrafluoropropene, ammonia and an alcoholic compound having a melting point less than or equal to 0° C.
Owner:ARKEMA FRANCE SA
Heat-transfer compositions exhibiting improved miscibility with the lubricating oil
InactiveUS9315708B2Reduce environmental impactLow GWPHeat-exchange elementsRefrigeration components1,1,1,2-Tetrafluoroethane2,3,3,3-Tetrafluoropropene
The invention relates to the use of 1,1,1,2-tetrafluoroethane for increasing the miscibility of 2,3,3,3-tetrafluoropropene with a lubricating oil, and in particular with a polyalkylene glycol oil. In this regard, the invention provides heat-transfer compositions and also equipment and processes using these compositions.
Owner:ARKEMA FRANCE SA
Mixed refrigerant
ActiveCN110257014ALow GWPReduce flammabilityHeat-exchange elementsTrifluoroiodomethaneDimethyl ether
The invention provides a mixed refrigerant. The mixed refrigerant comprises trifluoroiodomethane, fluoroethane, a third component and a fourth component. The third component comprises 1,1-difluoroethane and / or 1,1,1,2-tetrafluoroethane. The fourth component is selected from one or more of trans-1,3,3,3-tetrafluoropropene, 2,3,3,3-tetrafluoropropene, carbon dioxide, propylene, dimethyl ether, difluoromethane, monofluoromethane and isobutane. The fourth component is obtained by compounding the trifluoroiodomethane and the fluoroethane with the 1,1-difluoroethane and / or the 1,1,1,2-tetrafluoroethane. The GWP (global warming potential) of the mixed refrigerant is greatly reduced, and GWP requirements of automotive air conditioner refrigerants are met.
Owner:GREE ELECTRIC APPLIANCES INC
Essentially non-flammable low global warming compositions
ActiveUS7563384B2Low GWPAppropriate pointOther chemical processesHeat-exchange elementsBoiling pointChemical stability
Mixtures of heptafluorobutene with tetrafluoropropenes provide compositions that have boiling points within an acceptable range, have good chemical stability, low GWP and are preferably essentially non-flammable.
Owner:HONEYWELL INT INC
Composition for heat cycle system, and heat cycle system
ActiveUS20160355717A1Improve the lubrication effectLow GWPCompressorCompression machines with non-reversible cycleGlobal-warming potentialProcess engineering
To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A, and a heat cycle system employing the composition.A composition for a heat cycle system, which comprises a working fluid for heat cycle containing an unsaturated fluorinated hydrocarbon compound having a specific structure, and a refrigerant oil having a breakdown voltage of at least 25 kV, a hydroxy value of at most 0.1 mgKOH / g, and a kinematic viscosity at 40° C. of from 5 to 200 mm2 / s and a kinematic viscosity at 100° C. of from 2 to 30 mm2 / s, and a heat cycle system employing the composition for a heat cycle system.
Owner:ASAHI GLASS CO LTD
Chiller apparatus containing trans-1,1,1,4,4,4-hexafluoro-2-butene and methods of producing cooling therein
ActiveUS20120159976A1Improve energy efficiencyReasonable cooling capacitySolidificationLiquefactionButeneEngineering
Disclosed herein is a chiller apparatus containing refrigerant characterized by said refrigerant being HFO-1336mzz that is trans isomer or primarily trans isomer. These chillers may be flooded evaporators or direct expansion evaporators, which utilize either centrifugal or screw compressors. Also disclosed herein are methods for producing cooling comprising evaporating trans-HFO-1336mzz in an evaporator in the vicinity of a body to be cooled, thereby producing cooling. Also disclosed herein is a method for replacing HFC-236fa or CFC-114 refrigerant in a chiller apparatus, said method comprising providing HFO-1336mzz to said chiller apparatus in place of the replaced refrigerant; wherein said HFO-1336mzz is trans isomer or primarily trans isomer.
Owner:THE CHEMOURS CO FC LLC
Polyurethane composition, polyurethane foam as well as manufacture method thereof and fridge
The invention discloses a polyurethane composition, polyurethane foam as well as a manufacture method thereof and a fridge. The polyurethane composition comprises the following raw materials in parts by weight: 25-60 parts of sorbitol polyether polyol, 15-40 parts of composite polyether polyol, 3-30 parts of diphenylmethane diamine polyether polyol, 3-15 parts of glycerin polyether polyol, 3-20 parts of aromatic polyether polyol, 0-5 parts of composite crosslinking agent, 1-55 parts of foaming agent, 1.0-5.0 parts of foam stabilizer, 0.5-2.0 parts of water, 1.0-3.5 parts of composite catalyst and 120-160 parts of isocyanate, wherein the index of the isocyanate is 0.95-1.10. The polyurethane composition provided by the technical solution is low in density and heat conductivity coefficient and strong in adhesive property. The fridge containing the polyurethane composition is good in insulation effect and low in energy consumption.
Owner:HEFEI HUALING CO LTD +1
2,3,3,3-tetrafluoropropene compositions having improved miscibility
The use of an alcoholic compound to improve the miscibility of ammonia with 2,3,3,3-tetrafluoropropene, as well as to compositions of ammonia, 2,3,3,3-tetrafluoropropene and an alcoholic compound, and the use thereof, in particular in heat-transfer applications. A composition including 2,3,3,3-tetrafluoropropene, ammonia and an alcoholic compound having a melting point less than or equal to 0° C.
Owner:ARKEMA FRANCE SA
Azeotrope-like compositions containing sulfur hexafluoride and uses thereof
InactiveUS20090095717A1Reduce flammabilityLow GWPInorganic gasesLiquid organic insulatorsSulfur hexafluorideCorona discharge
Provided are novel azeotrope-like compositions of SF6 and N2O, as well as methods of using the same. Also provided are methods of using SF6 compositions, including azeotrope-like compositions, including a method for suppressing an electric arc or corona discharge and a method for flame suppression. Further provided are electrical devices using such SF6 compositions as a dielectric insulating gas and rigid closed-cell foams having such SF6 compositions within the cells, wherein the foam is both thermally and electrically insulative.
Owner:HONEYWELL INT INC
Ternary heat-transfer fluids comprising difluoromethane, pentafluoroethane and tetrafluoropropene
InactiveUS9057010B2Reduce the impact of heatLow GWPHeat-exchange elementsRefrigeration components1,3,3,3-TetrafluoropropeneHeat transfer fluid
The invention relates to a ternary composition comprising: from 5 to 50% of difluoromethane;—from 2 to 20% of pentafluoroethane; and—from 30 to 90% of tetrafluoropropeae. The tetrafluoropropeae may be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. This composition can be used as a heat-transfer fluid in vapor compression circuit.
Owner:ARKEMA FRANCE SA
Compositions of 2,4,4,4-tetrafluorobut-1-ene and cis-1,1,1,4,4,4-hexafluorobut-2-ene
InactiveUS20140083119A1Non toxicReduce environmental impactOther chemical processesMixing methodsChemistryKetone
A composition including 2,4,4,4-10-tetrafluorobut-1-ene and cis-1,1,1,4,4,4-hexafluorobut-2-ene, and also the use thereof in particular as a heat transfer fluid. The composition may include: from 1% to 99% of 2,4,4,4-tetrafluorobut-1-ene and from 1% to 99% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 5% to 70% of 2,4,4,4-tetrafluorobut-1-ene and from 30% to 95% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 20% to 65% of 2,4,4,4-tetrafluorobut-1-ene and from 35% to 80% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 25% to 60% of 2,4,4,4-tetrafluorobut-1-ene and from 40% to 75% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 28% to 51% of 2,4,4,4-tetrafluorobut-1-ene and from 49% to 72% of cis-1,1,1,4,4,4-hexafluorobut-2-ene.
Owner:ARKEMA FRANCE SA
Composition for heat cycle system, and heat cycle system
ActiveUS9976067B2Improve the lubrication effectImprove cycle performanceCompressorCompression machines with non-reversible cycleWorking fluidHydroxyl value
A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid has a low global warming potential and can replace R410A. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH / g, and a kinematic viscosity at 40° C. of from 5 to 200 mm2 / s and a kinematic viscosity at 100° C. of from 2 to 30 mm2 / s.
Owner:ASAHI GLASS CO LTD
Heat transfer compositions having improved miscibility with lubricating oil
ActiveUS10450488B2Reduce the impact of heatLow GWPCompression machines with non-reversible cycleHeat-exchange elementsPolyolPolyolester
A composition including 2,3,3,3-tetrafluoropropene and a lubricating oil including a polyalkylene glycol and a polyol ester, the polyol ester content in the lubricating oil being less than or equal to 25%. A method of lubricating a vapor compression circuit, the method including using a mixture including a polyalkylene glycol and a polyol ester as lubricating oil in the vapor compression circuit, in combination with a heat transfer fluid comprising 2,3,3,3-tetrafluoropropene, the content of polyol ester in the lubricating oil being less than or equal to 25%. Further, the use of said composition in methods for heating or cooling.
Owner:ARKEMA FRANCE SA
Dielectric insulation medium
ActiveUS8822870B2Low GWPImprove insulation performanceSwitchgear arrangementsLiquid organic insulatorsElectricityUltimate tensile strength
A dielectric insulation medium including a fluoroketone containing 5 carbon atoms, in a mixture with a dielectric insulation gas component different from the fluoroketone, in particular air or an air component, the dielectric insulation medium, in particular the dielectric insulation gas, having a non-linearly increased dielectric strength that is larger than a sum of dielectric strengths of the gas components of the dielectric insulation medium.
Owner:ABB (SCHWEIZ) AG +1
Azeotrope-like compositions containing sulfur hexafluoride and uses thereof
InactiveUS7736529B2Low GWPGood chemical stabilityInorganic gasesLiquid organic insulatorsSulfur hexafluorideCorona discharge
Provided are novel azeotrope-like compositions of SF6 and N2O, as well as methods of using the same. Also provided are methods of using SF6 compositions, including azeotrope-like compositions, including a method for suppressing an electric arc or corona discharge and a method for flame suppression. Further provided are electrical devices using such SF6 compositions as a dielectric insulating gas and rigid closed-cell foams having such SF6 compositions within the cells, wherein the foam is both thermally and electrically insulative.
Owner:HONEYWELL INT INC
Binary compositions of 1,3,3,3-tetrafluoropropene and ammonia
InactiveUS20140110623A1Reduce environmental impactLow GWPOther chemical processesMixing methodsChemistry
A binary composition of 1,3,3,3-tetrafluoropropene and ammonia, as well as to the use thereof, in particular as a heat-transfer fluid. The composition may include from 40% to 99% of ammonia and from 1% to 60% of 1,3,3,3-tetrafluoropropene; preferably from 60% to 98% of ammonia and from 2% to 40% of 1,3,3,3-tetrafluoropropene; preferably from 70% to 95% of ammonia and from 5% to 30% of 1,3,3,3-tetrafluoropropene; preferably from 75% to 90% of ammonia and from 10% to 25% of 1,3,3,3-tetrafluoropropene; preferably from 78% to 85% of ammonia and from 15% to 22% of 1,3,3,3-tetrafluoropropene. The 1,3,3,3-tetrafluoropropene may be in the cis form or in the trans form or is a mixture of cis form and trans form and in which, preferably, at least 80% or at least 90% or at least 95% or at least 98% or at least 99% of the 1,3,3,3-tetrafluoropropene is in the trans form.
Owner:ARKEMA FRANCE SA
Hydrochlorofluoroolefin-based cleaning compositions
InactiveUS20130037058A1Low GWPOvercome disadvantagesDetergent mixture composition preparationDetergent compounding agentsLiquid compositionFood science
The invention relates to the use of a liquid composition including 1-chloro-3,3,3-trifluoropropene and 1,2-transdichloroethylene for cleaning solid surfaces, the 1-chloro-3,3,3-trifluoropropene and the 1,2-transdichloroethylene being at least 99 wt % of the composition. The invention also relates to a liquid composition containing 1-chloro-3,353-trifluoropropene and 1,2-transdichloroethylene, the 1-chloro-3,3,34triluoropropene and 1,2-transdichloroethylene being at least 99 wt % of the composition and the weight ratio of the 1-chloro-3,3,3″trifluoropropene over the 1,2-transdichloroethylene being between 57:43 and 65:35, preferably between 58:42 and 63:37, and more preferably between 59:41 and 61:39.
Owner:ARKEMA FRANCE SA
Binary compositions of 1,3,3,3-tetrafluoropropene and ammonia
InactiveUS8951432B2Reduce environmental impactLow GWPOther chemical processesTransportation and packaging1,3,3,3-TetrafluoropropeneAmmonia
A binary composition of 1,3,3,3-tetrafluoropropene and ammonia, as well as to the use thereof, in particular as a heat-transfer fluid. The composition may include from 40% to 99% of ammonia and from 1% to 60% of 1,3,3,3-tetrafluoropropene; preferably from 60% to 98% of ammonia and from 2% to 40% of 1,3,3,3-tetrafluoropropene; preferably from 70% to 95% of ammonia and from 5% to 30% of 1,3,3,3-tetrafluoropropene; preferably from 75% to 90% of ammonia and from 10% to 25% of 1,3,3,3-tetrafluoropropene; preferably from 78% to 85% of ammonia and from 15% to 22% of 1,3,3,3-tetrafluoropropene. The 1,3,3,3-tetrafluoropropene may be in the cis form or in the trans form or is a mixture of cis form and trans form and in which, preferably, at least 80% or at least 90% or at least 95% or at least 98% or at least 99% of the 1,3,3,3-tetrafluoropropene is in the trans form.
Owner:ARKEMA FRANCE SA
Heat transfer fluids comprising difluoromethane, pentafluoroethane, tetrafluoropropene and optionally propane
ActiveUS20160222272A1Reduce the impact of heatLow GWPHeat pumpsCompression machines with non-reversible cycle1,3,3,3-TetrafluoropropeneHeat transfer fluid
A composition includes between 11 and 13 wt. % of difluoromethane; between 58 and 62 wt. % of pentafluoroethane; between 18 and 29 wt. % of tetrafluoropropene; and between 0 and 7 wt. % of propane. The tetrafluoropropene can be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. The composition can be used as a heat transfer fluid in a vapour compression circuit.
Owner:ARKEMA FRANCE SA
Heat-transfer fluids and use thereof in countercurrent heat exchangers
InactiveUS9005468B2Reduce environmental impactLow GWPCompression machines with non-reversible cycleCompression machines with cascade operation1,3,3,3-TetrafluoropropeneBoiling point
The invention relates to a ternary composition comprising difluoromethane, 3,3,3-trifluoropropene and a hydrocarbon-derived compound containing at least two fluorine atoms and having a boiling point of between −30 and −18° C., which is selected from 1,1-difluoroethane, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. This composition is particularly suitable for use as a heat-transfer fluid in the presence of countercurrent heat exchangers.
Owner:ARKEMA FRANCE SA
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