Stable formulated systems with chloro-3,3,3-trifluoropropene

Abstract

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.

1 . A refrigerant composition comprising lubricants, metals, water, and mixtures thereof and the halogenated olefin 1-chloro-3,3,3-trifluorpropene wherein more than about 99 wt % of said halogenated olefin remains after exposure of said composition to temperature of 140° C. for 48 hours. 
     
     
         2 . The halogenated olefin composition of  claim 1  wherein said lubricant is selected from the group consisting of mineral oils, alkyl benzene oils, polyol ester oils, polyalkylene glycol oils, polyvinyl ether oils, poly(alphaolefin) oils and mixtures thereof. 
     
     
         3 . The halogenated olefin composition of  claim 1  wherein said metal is selected from the group consisting of steel, stainless steel, aluminum, iron, copper, and mixtures thereof. 
     
     
         4 . The halogenated olefin composition of  claim 1  wherein said 1-chloro-3,3,3-trifluoropropene is predominantly trans-1-chloro-3,3,3-trifluoropropene. 
     
     
         5 . The halogenated olefin composition of  claim 1  wherein said 1-chloro-3,3,3-trifluoropropene is greater than about 70% trans-1-chloro-3,3,3-trifluoropropene. 
     
     
         6 . The halogenated olefin composition of  claim 1  wherein said 1-chloro-3,3,3-trifluoropropene is consists essentially of trans-1-chloro-3,3,3-trifluoropropene. 
     
     
         7 . A refrigeration system, air conditioning system, or heat transfer system containing the halogenated olefin composition of  claim 1 . 
     
     
         8 . The halogenated olefin 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. 
     
     
         9 . The halogenated olefin composition of  claim 8  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. 
     
     
         10 . The halogenated olefin composition of  claim 8  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. 
     
     
         11 . The halogenated olefin composition of  claim 8  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. 
     
     
         12 . The halogenated olefin composition of  claim 8  wherein said hydrocarbon is selected from the group consisting of propane, butane, isobutane, n-pentane, iso-pentane, neo-pentane, cyclopentane, and mixtures thereof. 
     
     
         13 . The halogenated olefin composition of  claim 8  wherein said hydrofluoroolefin is selected from the group consisting of 3,3,3-trifluorpropene (FIFO-1234zf), E-1,3,3,3-trtrafluoropropene, 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. 
     
     
         14 . The halogenated olefin composition of  claim 8  wherein said hydrofluoroether is 1,1,1,2,2,3,3-heptafluoro-3-methoxy-propane, 1,1,1,2,2,3,3,4,4,-nonafluoro-4-methoxy-butane and mixtures thereof. 
     
     
         15 . The halogenated olefin composition of  claim 8  wherein said fluoroketone is 1,1,1,2,2,4,5,5,5-nonafluoro-4(trifluoromethyl)-3-3pentanone.