Stable formulated systems with chloro-3,3,3-trifluoropropene
US-9254468-B2 · Feb 9, 2016 · US
US10072192B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10072192-B2 |
| Application number | US-201514964940-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 10, 2015 |
| Priority date | Mar 7, 2008 |
| Publication date | Sep 11, 2018 |
| Grant date | Sep 11, 2018 |
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The present invention relates to formulated refrigerant systems of 1-chloro-3,3,3-trifluoropropene (R-1233zd) that are sufficiently thermally and chemically stable such that they can be effectively used sans additional stabilizers. The formulations of the present invention are particularly useful compositions for refrigeration, heat transfer and foam blowing.
Opening claim text (preview).
The invention claimed is: 1. A refrigerant composition comprising the halogenated olefin trans-1-chloro-3,3,3-trifluoropropene, a lubricant selected from the group consisting of mineral oils, alkyl benzene oils and mixtures thereof and water, wherein more than about 99 wt % of said halogenated olefin remains after exposure of said refrigerant composition to metal selected from the group consisting of steel, stainless steel, aluminum, iron, copper, and mixtures thereof at a temperature of 140° C. for 48 hours where in said refrigerant composition does not include a stabilizer for said halogenated olefin. 2. A refrigeration system, air conditioning system, or heat transfer system containing the refrigerant composition of claim 1 . 3. The refrigerant composition of claim 1 , wherein said 1-chloro-3,3,3-trifluoropropene is greater than about 70% trans-1-chloro-3,3,3-trifluoropropene. 4. The refrigerant composition of claim 1 , wherein said 1-chloro-3,3,3-trifluorpropene is consists essentially of trans-1-chloro-3,3,3-trifluoropropene. 5. The refrigerant composition of claim 1 further comprising a component selected from the group consisting of hydrofluorocarbons, hydrochlorofluorocarbons, hydrofluoroolefins, hydrofluorochlorocarbons, hydrocarbons, hydrofluoroethers, fluoroketones, chlorofluorocarbons, trans-1,2-dichloroethylene, carbon dioxide, ammonia, and mixtures thereof. 6. The refrigerant composition of claim 5 , wherein said hydrofluorocarbon is selected from the group consisting of difluoromethane (HFC-32); 1-fluoroethane (HFC-161); 1,1-difluoroethane (HFC-152a); 1,2-difluoroethane (HFC-152); 1,1,1-trifluoroethane (HFC-143a); 1,1,2-trifluoroethane (HFC-143); 1,1,1,2-tetrafluoroethane (HFC-134a); 1,1,2,2-tetrafluoroethane (HFC-134); 1,1,1,2,2-pentafluoroethane (HFC-125); 1,1,1,3,3-pentafluoropropane (HFC-245fa); 1,1,2,2,3-pentafluoropropane (HFC-245ca); 1,1,1,2,3-pentafluoropropane (HFC-245eb); 1,1,1,3,3,3-hexafluoropropane (HFC-236fa); 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea); 1,1,1,3,3-pentafluorobutane (HFC-365mfc), 1,1,1,2,3,4,4,5,5,5-decafluoropropane (HFC-4310), and mixtures thereof. 7. The refrigerant composition of claim 5 , wherein said hydrochlorofluorocarbon is selected from the group consisting of chlorodifluoromethane (HCFC-22), 1,1-dichloro-2,2,2-trifluoroethane (HCFC-123), 1-chloro-2,2,2-trifluoroethane (HCFC-124), 1,1-dichloro-1-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b), and mixtures thereof. 8. The refrigerant composition of claim 5 , wherein said chlorofluorocarbon is selected from the group consisting of trichlorofluoromethane (R-11), dichlorodifluoromethane (R-12), 1,1,2-trifluoro-1,2,2-trifluoroethane (R-113), 1,2-dichloro-1,1,2,2-tetrafluoroethane (R-114), chloro-pentafluoroethane (R-115) and mixtures thereof. 9. The refrigerant composition of claim 5 , wherein said hydrocarbon is selected from the group consisting of propane, butane, isobutane, n-pentane, iso-pentane, neo-pentane, cyclopentane, and mixtures thereof. 10. The refrigerant composition of claim 5 , wherein said hydrofluoroolefin is selected from the group consisting of 3,3,3-trifluorpropene (HFO-1234zf), E-1,3,3,3-tetrafluoropropene, 2,3,3,3-tetrafluoropropene (HFO-1234yf), E-1,2,3,3,-pentafluoropropene (E-HFO-1255ye), Z-1,2,3,3,3-pentafluoropropene (Z-HFO-125ye), E-1,1,1,3,3,3-hexafluorobut-2-ene (E-HFO-1336mzz), Z-1,1,1,3,3,3-hexafluorobut-2-ene (Z-HFO-1336mzz), 1,1,1,4,4,5,5,5-octafluoropent-2-ene (HFO-1438mzz) and mixtures thereof. 11. The refrigerant composition of claim 5 , wherein said hydrofluoroether is 1,1,1,2,2,3,3-heptafluoro-3-methoxy-propane, 1,1,2,2,3,3,4,4,-nonafluoro-4-methoxy-butane and mixtures thereof. 12. The refrigerant composition of claim 5 , wherein said fluoroketone is 1,1,1,2,2,4,5,5,5-nonafluoro-4(trifluoromethyl)-3-3pentanone.
used as base material · CPC title
Containing Hydrofluorocarbons · CPC title
used as base material · CPC title
comprising halogenated compounds · CPC title
the change of state being from liquid to vapour or vice versa · CPC title
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