Composition based on 1,3,3,3,-tetrafluoropropene
View Patent ↗The subject of the present application is a composition comprising a lubricant based on polyol esters (POEs) or PVE and a refrigerant F comprising from 1 to 99% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 1 to 99% by weight of 1,1,1,3-tetrafluoroethane. The subject of the present application is also the use of said composition in refrigeration, air conditioning and heat pumps.
1. Composition comprising at least one lubricant comprising at least one polyol ester and a refrigerant consisting of from 10 to 90% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 10 to 90% by weight of 1,1,1,2-tetrafluoroethane.
2. Composition according to claim 1 , wherein the refrigerant consists of from 30 to 90% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 10 to 70% by weight of 1,1,1,2-tetrafluoroethane.
3. Composition according to claim 1 , wherein the at least one polyol ester is obtained from a polyol having a neopentyl backbone.
4. Composition according to claim 3 , wherein the polyol having a neopentyl backbone is selected from the group consisting of neopentyl glycol, trimethylolpropane, and dipentaerythritol.
5. Composition according to claim 1 , wherein the at least one polyol ester is obtained from a linear or branched carboxylic acid containing from 2 to 15 carbon atoms.
6. Composition according to claim 1 , wherein the at least one polyol ester is between 10 and 50% by weight of the composition.
7. Composition according to claim 1 , wherein the refrigerant consists of from 40 to 90% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 10 to 60% by weight of 1,1,1,2-tetrafluoroethane.
8. Composition according to claim 1 , wherein the refrigerant consists of from 50 to 90% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 10 to 50% by weight of 1,1,1,2-tetrafluoroethane.
9. Composition according to claim 1 , wherein the refrigerant consists of from 20 to 80% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 20 to 80% by weight of 1,1,1,2-tetrafluoroethane.
10. Composition according to claim 1 , wherein the refrigerant consists of from 15 to 85% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 15 to 85% by weight of 1,1,1,2-tetrafluoroethane.
11. Composition comprising at least one lubricant comprising at least one polyvinyl ether and a refrigerant consisting of from 5 to 95% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 5 to 95% by weight of 1,1,1,2-tetrafluoroethane, wherein the polyvinyl ether is a copolymer of the following two units:
12. Composition according to claim 11 , wherein the polyvinyl ether has from 50 to 95% by weight of Unit 1.