3,3,3-trifluoropropene composition

Abstract

A composition including a polyol ester (POE) or PVE lubricant and a refrigerant including 3,3,3-trifluoropropene. The refrigerant may also include 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene. The POEs may be obtained from polyols which have a neopentyl backbone, such as neopentyl glycol, trimethylol propane, pentaerythritol and dipentaerythritol. Also, the use of said composition for refrigeration, air-conditioning, and for heat pump.

1 . A composition consisting of:
 at least one lubricant based on at least one polyol ester obtained from a polyol having a neopentyl backbone, or at least one polyvinyl ether;   a refrigerant consisting of 3,3,3-trifluoropropene and at least one hydrofluorocarbon selected from the group consisting of 1,1,1,2-tetrafluoroethane, 1,1-difluoromethane, and pentafluoroethane; and   optionally at least one of a compatibilizer, a surfactant, and a solubilizing agent.   
     
     
         2 . A composition consisting of:
 at least one lubricant based on at least one polyol ester or at least one polyvinyl ether;   a refrigerant consisting of 3,3,3-trifluoropropene and at least one of 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene; and   optionally at least one of a compatibilizer, a surfactant, and a solubilizing agent.   
     
     
         3 . The composition as claimed in  claim 2 , wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from a polyol which has a neopentyl backbone. 
     
     
         4 . The composition as claimed in  claim 1 , wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from linear or branched carboxylic acid having from 2 to 15 carbon atoms. 
     
     
         5 . The composition as claimed in  claim 1 , wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester represents between 10% and 50% by weight of the composition. 
     
     
         6 . (canceled) 
     
     
         7 . A composition consisting of:
 at least one lubricant based on at least one polyol ester or at least one polyvinyl ether;   a refrigerant consisting of at least one hydrofluoropropene, wherein the at least one hydrofluoropropene includes 3,3,3-trifluoropropene; and   optionally at least one of a compatibilizer, a surfactant, and a solubilizing agent.   
     
     
         8 . The composition as claimed in  claim 7 , wherein the at least one hydrofluoropropene further includes at least one of 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene. 
     
     
         9 . The composition as claimed in  claim 7 , wherein the at least one hydrofluoropropene further includes 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene. 
     
     
         10 . The composition as claimed in  claim 2 , wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from linear or branched carboxylic acid having from 2 to 15 carbon atoms. 
     
     
         11 . The composition as claimed in  claim 2 , wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester represents between 10% and 50% by weight of the composition. 
     
     
         12 . The composition as claimed in  claim 3 , wherein the polyol which has the neopentyl backbone is selected from the group consisting of neopentyl glycol, trimethylol propane, and dipentaerythritol. 
     
     
         13 . The composition as claimed in  claim 2 , wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is a pentaerythritol ester. 
     
     
         14 . The composition as claimed in  claim 2 , wherein the at least one lubricant is based on at least one polyvinyl ether. 
     
     
         15 . The composition as claimed in  claim 7 , wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from linear or branched carboxylic acid having from 2 to 15 carbon atoms. 
     
     
         16 . The composition as claimed in  claim 7 , wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester represents between 10% and 50% by weight of the composition. 
     
     
         17 . The composition as claimed in  claim 7 , wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from a polyol having a neopentyl backbone. 
     
     
         18 . The composition as claimed in  claim 17 , wherein the polyol having the neopentyl backbone is selected from the group consisting of neopentyl glycol, trimethylol propane, pentaerythritol, and dipentaerythritol. 
     
     
         19 . The composition as claimed in  claim 7 , wherein the at least one lubricant is based on at least one polyvinyl ether. 
     
     
         20 . The composition as claimed in  claim 1 , wherein the at least one lubricant is based on the at least one polyol ester obtained from a polyol having a neopentyl backbone, wherein the polyol having the neopentyl backbone is selected from the group consisting of neopentyl glycol, trimethylol propane, and dipentaerythritol. 
     
     
         21 . The composition as claimed in  claim 1 , wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is a pentaerythritol ester.