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215 results about "Trifluoroiodomethane" patented technology
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Trifluoroiodomethane, also referred to as trifluoromethyl iodide is a halomethane with the formula CF₃I. It is an experimental alternative to Halon 1301 (CBrF₃) in unoccupied areas. It would be used as a gaseous fire suppression flooding agent for in-flight aircraft and electronic equipment fires.
Refrigerator oil and working fluid composition for refrigerator
The refrigerating machine oil of the invention is characterized by comprising an ester of a polyhydric alcohol and a fatty acid with a C5-C9 fatty acid content of 50-100 mol %, a C5-C9 branched fatty acid content of at least 30 mol % and a C5 or lower straight-chain fatty acid content of no greater than 40 mol %, and by being used with a fluoropropene refrigerant and / or a trifluoroiodomethane refrigerant. The working fluid composition for a refrigerating machine according to the invention comprises the ester and a fluoropropene refrigerant and / or a trifluoroiodomethane refrigerant.
Owner:JX NIPPON OIL & ENERGY CORP
Stabilized trifluoroiodomethane compositions
InactiveUS20060033072A1Low combined ozone-depletionEasy to useOther chemical processesDomestic cooling apparatusTrifluoroiodomethanePhenol Compound
Provided are novel compositions comprising trifluoroiodomethane and an effective amount of a stabilizer preferably comprising at least one phenol compound and optionally at least one epoxide selected from the group consisting of aromatic epoxides, alkyl epoxides, alkenyl epoxides, multisubstituted epoxides, and combinations of two or more thereof. Also provided are methods of stabilizing a composition comprising trifluoroiodomethane by providing a composition comprising trifluoroiodomethane and introducing to the provided composition an effective amount of a stabilizer comprising at least one phenol compound and optionally at least one epoxide selected from the group consisting of aromatic epoxides, alkyl epoxides, alkenyl epoxides, and combinations of two or more thereof.
Owner:HONEYWELL INT INC
Refrigerator oil and working fluid composition for refrigerating machine
InactiveUS20100282999A1High level of refrigerant compatibilityHigh levelHeat-exchange elementsBase-materialsWorking fluidAlcohol
The refrigerator oil of the invention comprises an ester of a polyhydric alcohol and a fatty acid with a content of a C5-C9 fatty acid of 50-100% by mole, a content of a C5-C9 branched fatty acid of at least 30% by mole and a content of a C5 or lower straight-chain fatty acid of not greater than 40% by mole, and it is used with a fluoropropene refrigerant and / or trifluoroiodomethane refrigerant. The working fluid composition for a refrigerating machine according to the invention comprises the ester and a fluoropropene refrigerant and / or trifluoroiodomethane refrigerant.
Owner:NIPPON OIL CORP
Refrigerator oil and working fluid composition for refrigerator
The working fluid composition for a refrigerating machine of the invention is characterized by comprising an ester of a polyhydric alcohol and a fatty acid with a content of a C5-C9 branched fatty acid of 50-100% by mole, and a fluoropropene refrigerant and / or trifluoroiodomethane refrigerant. The refrigerating machine oil of the invention is characterized by comprising an ester of a polyhydric alcohol and a fatty acid with a content of a C5-C9 branched fatty acid of 50-100% by mole, and by being used together with a fluoropropene refrigerant and / or trifluoroiodomethane refrigerant.
Owner:JX NIPPON OIL & ENERGY CORP
Compositions comprising iodotrifluoromethane and uses thereof
InactiveCN101835869AReduce the temperatureHeat-exchange elementsDisinfectionEvaporative coolerIodotrifluoromethane
Disclosed are compositions comprising iodotrifluoromethane and other compounds that are useful as heat transfer fluids, including refrigerants, in a stationary air conditioning or refrigeration system, a flooded evaporator chiller or a direct expansion chiller. Also disclosed are methods for producing cooling and methods for replacing R22, R407C, R410A, R404A or R507A in such equipment.
Owner:EI DU PONT DE NEMOURS & CO
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
Working medium for heat cycle, composition for heat cycle system, and heat cycle system
ActiveCN107614652AFully playLow greenhouse potentialHeat-exchange elementsCompression machinesKryptonEngineering
This working medium for a heat cycle contains trifluoroethylene and a first component comprising at least one substance selected from carbon dioxide, fluoromethane, trifluoroiodomethane, methane, ethane, propane, helium, neon, argon, krypton, xenon, nitrogen, and ammonia.
Owner:ASAHI GLASS CO LTD
Trifluoroiodomethane-containing mixed refrigerant
InactiveCN101824305AReduce flammabilityWon't breakHeat-exchange elementsRefrigerationTrifluoroiodomethane
The invention relates to a trifluoroiodomethane-containing mixed refrigerant. The trifluoroiodomethane-containing mixed refrigerant is prepared by mixing component 1, a component 2 and a component 3, wherein the component 1 is trifluoroiodomethane with the combustion and explosion inhibiting effect; the component 2 comprises 1,1,1,2-tetrafluoroethane, 1,1,2,2-tetrafluoroethane or mixture of the 1,1,1,2-tetrafluoroethane and 1,1,2,2-tetrafluoroethane; the component 3 comprises propane, propylene or mixture of the propane and propylene; in the mixed refrigerant, the content of the component 1 is between 1 and 10 weight percent; the content of the component 2 is between 20 and 40 weight percent; the content of the component 3 is between 50 and 75 weight percent; the ODP value of the mixed refrigerant is zero; the GWP value is far less than that of a routine HFCs work substance; and the trifluoroiodomethane-containing mixed refrigerant has good lube intersolubility, can directly substitute an R22 working substance without making large alteration on a refrigeration system; and as the mixed refrigerant has the combustion inhibiting component, the combustibility of the refrigerant is greatly reduced or even the refrigerant is completely incombustible so that the safety of the refrigeration system is greatly improved.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Trifluoroiodomethane preparation method
ActiveCN102992943AObvious cost advantageWorkmanship is feasibleChemical recyclingHalogenated hydrocarbon preparationActive agentEthylic acid
The invention provides a method for preparing trifluoroiodomethane through utilizing industrial waste trifluoroacetic acid and industrially recovered iodine. The method has the characteristics of low cost, simple operation, mild reaction, fast reaction speed, high yield, high selectivity, environmental protection and the like. The synthesized trifluoroiodomethane is an important fluorine-containing fine chemical engineering raw material, and can be used for producing fluorine-containing finishing agents, fluorine-containing surfactants and other fluorine-containing fine chemicals.
Owner:SINOCHEM LANTIAN +1
Compositions and methods useful for synergistic combustion suppression
Certain compositions comprising trifluoroiodomethane with physically-acting combustion suppressants, wherein the compositions exhibit strong synergistic combustion suppression and are useful for suppressing the combustion of many fuels. The compositions are thermally stable, compatible, non-ozone-depleting, low global warming, have reduced toxicity compared to pure trifluoroiodomethane, can be effective in lower weights and volumes than most other agents, and can be more cost-effective than current combustion suppressants.
Owner:NIMITZ INC D B A
Non-combustible mixing refrigerant suitable for deep refrigeration temperature of minus 80 DEG C to minus 100 DEG C
ActiveCN102559146ANo destructive effectNon-flammableHeat-exchange elementsHexafluoroethanePolymer science
The invention relates to a non-combustible mixing refrigerant suitable for deep refrigeration temperature of minus 80 DEG C to minus 100 DEG C. The non-combustible mixing refrigerant comprises five groups of materials, where the first group of material is tetrafluoromethane; the second group of material is trifluoromethane, hexafluoroethane or a mixture of the trifluoromethane and the hexafluoroethane; the third group of material is pentafluoroethane, trifluoroethane, perfluoropropane, difluoromethane or a mixture of two, three or multiple of the pentafluoroethane, the trifluoroethane, the perfluoropropane and the difluoromethane; the fourth group of material is iodotrifluoromethane, 1, 1, 2, 2-tetrafluoroethane, 1,1-difluoroethane, 2, 3, 3, 3-tetrafluoropropene, 1, 3, 3, 3-tetrafluoropropene or a mixture of two, three or multiple of the iodotrifluoromethane, the 1, 1, 2, 2-tetrafluoroethane, the 1,1-difluoroethane, the 2, 3, 3, 3-tetrafluoropropene and the 1, 3, 3, 3-tetrafluoropropene; the fifth group of material is perfluoro-n-butane, 1, 1, 1, 3, 3-perfluoropropane or a mixture of the perfluoro-n-butane and the 1, 1, 1, 3, 3-perfluoropropane; the molar concentrations of the five groups of materials are respectively 25-50%, 15-40%, 10-30%, 5-20% and 10-25%; and the non-combustible mixing refrigerant is safe in a back-heating type throttling refrigeration system, can realize the refrigeration in the temperature range of minus 80 DEG C to minus 100 DEG C and has low whole green house effect without ozone depletion effect.
Owner:中科赛凌(北京)科技有限公司
Refrigerator oil and working fluid composition for refrigerator
ActiveCN101622332AGood compatibilityImprove stabilityHeat-exchange elementsBase-materialsRefrigerator carBranched chain fatty acids
Owner:NIPPON OIL CO LTD
Method for synthesizing trifluoroiodomethane and pentafluoroethyliodide meanwhile
ActiveCN101219925AConvenient sourceImprove stabilityHalogenated hydrocarbon preparationChemical synthesisAlkaline earth metal
The invention relates to a method of synthesizing CF_3I and C2F5I simultaneously, which belongs to the filed of organic chemical synthesis. The method of synthesizing CF_3I and C2F5I simultaneously is characterized in that a alkali metal salt, a alkali earth metal salts or / and a copper salt are taken as a catalyst to be attached to a porous carrier; an oxygen or mixed gas of oxygen and an inert gas is pumped; a CHF3 and / or a HFC_125 are taken as a raw material; an iodine is taken as an iodinating agent; then iodination occurs in a reactor under high temperature to generate the C2F5I and the CF_3I. The porous carrier is a fluoride or an oxyfluoride. The raw material of the invention is nontoxic and is convenient to get; the catalyst does not react with a reaction medium and has good stability. The synthesis process is safe and suitable for technical production.
Owner:泉州宇极新材料科技有限公司
Environmentally friendly mixed refrigerant
ActiveCN107987798AImprove thermal performancePromote environmental protectionHeat-exchange elementsIodotrifluoromethaneHexafluoropropylene
The invention provides a novel environmentally friendly mixed refrigerant, 1,1,2-trifluoroethylene and the substances like 1,1-difluoroethylene, 1,1,2,3,3,3-hexafluoropropylene and 1,1-difluoromethaneare added in trifluoropropene or tetrafluoropropene, so that the direct filling performance of the mixed refrigerant in an air conditioner system is improved. In addition, the invention further provides the novel environmentally friendly mixed refrigerant, nonflammable halogenated substances with more iodine or fluorine atoms like 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, 1,1,1,2,2-pentafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane and iodotrifluoromethane are added in to the mixture, so that the flammability of the refrigerant is reduced.
Owner:XIAN MODERN CHEM RES INST
Tetrafluoropropylene-containing mixture refrigerant
ActiveCN104531079AGood miscibilityReduce flammabilityChemical industryHeat-exchange elements1,1-DifluoroethaneTrifluoroiodomethane
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Refrigeration compressor lubricant
ActiveUS20130200295A1Good compatibilityExcellent indexHeat-exchange elementsAdditivesRefrigeration compressorDichlorodifluoromethane
Owner:COPELAND LP
Use of molecular sieves for the removal of HFC-23 from fluorocarbon products
Use of molecular sieves to reduce the amount of trifluoromethane (HFC-23) present in a mixture of HFC-23 with other materials, particularly from mixtures containing HFC-23 and trifluoroiodomethane (CF3I).
Owner:HONEYWELL INT INC
Refrigerator oil and working fluid composition for refrigerating machine
Owner:NIPPON OIL CO LTD
Hydrofluorocarbon/trifluoroiodomethane/ hydrocarbons refrigerant compositions
A composition comprising from about 40 weight percent to about 99.9 weight percent of at least one C1-C5 hydrofluorocarbon, from about 0.1 weight percent to about 50 weight percent of CF3I, and from about 0.1 weight percent to about 10 weight percent of at least one C1-C6 hydrocarbon and the use of these composition for in methods of the recharging of refrigeration systems.
Owner:HONEYWELL INT INC
Technology for separating and purifying trifluoroiodomethane
ActiveCN107176902AResidue reductionHalogenated hydrocarbon separation/purificationTrifluoroiodomethaneMixed gas
The invention discloses a technology for separating and purifying trifluoroiodomethane. The technology is a method for obtaining a trifluoroiodomethane monomer by separating and purifying a mixed gas product from the gaseous phase preparation of the trifluoroiodomethane by utilizing trifluoromethane. The trifluoroiodomethane is separated and purified in the manner of separating the components in the mixed gas in steps. The system has the characteristics of high recovery rate, excellent separating effect, low cost, and the like. The technology has the characteristics of high recovery rate, high product purity, complete separation and the like in the process of separating and purifying the trifluoroiodomethane; the technological process is simple, the safety factor is high, the operation is easy, and the separating and purifying cost is low; and the technology has the value of industrial production.
Owner:泉州宇极新材料科技有限公司
Refrigerant composition
ActiveCN101020813AImprove cooling efficiencyMeet environmental protection requirementsHeat-exchange elementsTrifluoroiodomethaneDimethyl ether
The refrigerant composition for replacing R134a in automobile air conditioner consists of dimethyl ether DME or RE170, trifluoro iodo methane R13I1 and isobutene R600a; and is prepared through liquid phase mixing the said components in certain proportion physically. The present invention has environment friendship, zero ODP, GWP lower of 1-3, heat engineering performance similar to that of R134a and high efficiency. The refrigerant composition is used for replacing R134a in automobile air conditioner.
Owner:SHANDONG DONGYUE CHEM
Non-flammable mixed refrigerant applicable to temperature zone from -60 to -100 DEG C
The invention provides a non-flammable mixed refrigerant applicable to a temperature zone from -60 to -100 DEG C. The non-flammable mixed refrigerant comprises at least one selected from a group consisting of cis-1,1,1,4,4,4-hexafluorobutene, trans-1,1,1,4,4,4-hexafluorobutene, 1-chloro-3,3,3-trifluoropropene, cis-1,3,3,3-tetrafluoropropene, 1,1,1,2,2,3,4,5,5,5-decafluoropentane, perfluorobutane and perfluoropentane, at least one selected from a group consisting of perfluoropropane, pentafluoroethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, difluoromethane, 1,1,1-trifluoroethane, trifluoroiodomethane, 1,1,1,2,3,3,3-heptafluoropropane, 1,1,1,2,3,3-hexafluoropropane and 1,1,1,3,3-pentafluoropropane, at least one selected from a group consisting of trifluoromethane and perfluoroethane, and perfluoromethane. The non-flammable mixed refrigerant provided by the invention can safely and efficiently realize cooling in a temperature range of -60 to -100 DEG C, does not have flammability at all, and is low in overall greenhouse effect and free of ozone depletion effect.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Refrigerant composition and production method thereof
ActiveCN110373157AEnvironmentally friendlyHigh volume cooling capacityHeat-exchange elementsFluorideTrifluoroiodomethane
The invention provides a refrigerant composition and a production method thereof. The refrigerant composition comprises a first component, a second component and a third component, wherein the first component is trifluoroiodomethane, the second component is ethyl fluoride, and the third component is 2,3,3,3-tetrafluoropropene, propane, dimethyl ether or methyl fluoride. The refrigerant compositionhas good environmental performance, most GWPs are lower than 100, moreover, compared with R134a, the refrigerant composition has high displacement refrigerating capacity, an EER value is equivalent to that of the R134a, and the problem of insufficient low-temperature heating performance of the R134a is solved.
Owner:GREE ELECTRIC APPLIANCES INC
Environmentally-friendly mixed working media
ActiveCN109852348AEnvironmentally friendlyLow GWPHeat-exchange elementsEngineeringTrifluoroiodomethane
The invention relates to the technical field of refrigerants, and concretely relates to environmentally-friendly mixed working media. One of the environmentally-friendly mixed working media comprisesa first component and a second component, wherein the first component is trifluoroiodomethane, and the second component is monofluoroethane; and the other environmentally-friendly mixed working mediumcomprises a first component, a second component and a third component, wherein the first component is trifluoroiodomethane, the second component is difluoromethane, and the third component is one of1,1-difluoroethane and trans-1,3,3,3-tetrafluoropropene. The components are uniformly physically mixed in proportion at normal temperature under normal pressure to obtain the environmentally-friendlymixed working media. The mixed working media provided by the invention have a good environmental performance, have a very low GWP (less than 150), and has same or better thermal performances than 1,1,1,2-tetrafluoroethane (R134a); and a preparation method of the mixed working media is simple and is easy to implement.
Owner:GREE ELECTRIC APPLIANCES INC
Refrigerant composition capable of being used for household air conditioner
ActiveCN110591651AImprove securityReduce flammabilityChemical industryHeat-exchange elementsEngineeringAir conditioning
The invention provides a refrigerant composition. The refrigerant composition contains the following components, in percentages by mass: 1%-98% of 1,1,2-trifluoroethylene (R1123), 1%-88% of difluoromethane (R32) and 1%-48% of trifluoroiodomethane (R13I1) or 1%-12% of 1,1,1,2,2-pentafluoroethane (R125). The refrigerant composition has a GWP of 600 or less, an ODP of 0, and obvious environment-friendly advantages; and in addition, the refrigerant composition has good thermal performance and is used for the household air conditioning unit, the capacity and energy efficiency of the household air conditioning unit using the refrigerant composition are equivalent to those of a household air conditioner using an R410A refrigerant, and the can refrigerant composition replace the R410A working medium without any change of the household air conditioning system.
Owner:GREE ELECTRIC APPLIANCES INC
Ammonia-containing mixed refrigerant
ActiveCN103571437AGood miscibilityLow toxicityHeat-exchange elements1,1-DifluoroethanePolymer science
An ammonia-containing mixed refrigerant is prepared by a component 1, a component 2 and a component 3 through physical mixing, wherein the component 1 is ammonia, and the content is 3-90 wt%; the component 2 is one, two or more of ethane, propane, propylene, iso-butane, butane, 1-butene and isobutene, and the content is 5-80 wt%; the component 3 is one, two or more of iodotrifluoromethane, difluoromethane, 1,1-difluoroethane, 1, 1, 1, 2-tetrafluoroethane, 1, 1, 2, 2-tetrafluoroethane, 1, 1, 1, 2, 3, 3, 3-heptafluoropropane, trans-1, 3, 3, 3-tetrafluoropropylene, 1, 1, 1, 3, 3, 3-hexafluoropropane, 1, 1, 1, 2, 3, 3-hexafluoropropane, 1, 1, 1, 3, 3-perfluoropropane and 1, 1, 2, 2, 3-perfluoropropane, and the content is 1-75wt%. The refrigerant has good intersolubility in lubricating oil, the flammability and the toxicity are low, the ammonia-containing mixed refrigerant can substitute a pure ammonia refrigerant, the structure of a conventional ammonia refrigeration system is simplified, the cost is low, and the economic efficiency is improved.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Heat transfer compositions, methods, and systems
ActiveUS20190161660A1Improve heat transfer performanceLow and no toxicityCompressorSolidificationSystems designEngineering
The present invention relates to a refrigerant composition, including trifluoroiodomethane (CF3I); 1,1,1,2-tetrafluoropropene (HFO-1234yf); difluoromethane (HFC-32); and carbon dioxide (CO2), for use in a heat exchange system, including refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-404A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-404A.
Owner:HONEYWELL INT INC
Environment-friendly mixed refrigerant
ActiveCN110699043AEnvironmentally friendlyLow GWP valueHeat-exchange elementsDifluoroethyneEngineering
The invention discloses an environment-friendly mixed refrigerant. The refrigerant comprises the following components, in percentages by mass: 1%-90% of a first component, 1%-90% of a second component, 1%-90% of a third component and 1%-97% of a fourth component, wherein the first component is trifluoroiodomethane, the second component is at least one selected from 1,1,1,2-tetrafluoroethane and pentafluoroethane, the third component is at least one selected from trans-1,3,3,3-tetrafluoropropene, 2,3,3,3-tetrafluoropropene and difluoromethane, and the fourth component is at least selected from1,1-difluoroethane, monofluoroethane, propylene, propane, dimethyl ether and isobutane. The GWP value of the mixed refrigerant provided by the invention is greatly reduced relative to R404A, the ODP is 0, and the environmental performance is better than that of the R404A.
Owner:TIANJIN UNIV
Use of molecular sieves for the removal of HFC-23 from fluorocarbon products
Use of molecular sieves to reduce the amount of trifluoromethane (HFC-23) present in a mixture of HFC-23 with other materials, particularly from mixtures containing HFC-23 and trifluoroiodomethane (CF3I).
Owner:HONEYWELL INT INC
Refrigerant, heat transfer compositions, methods, and systems
Disclosed are refrigerants, and heat transfer compositions, heat transfer systems and heat transfer methods containing such refrigerants, wherein the refrigerant comprises at least about 97% by weight of the following three components (a)-(c) and the following fourth component if present:(a) trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)),(b) trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)),(c) trifluoroiodomethane (CF3I), and(d) 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea).
Owner:HONEYWELL INT INC
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