2,3,3,3-tetrafluoropropene compositions having improved miscibility
AssigneeArkema France
InventorsSophie Guerin, Wissam Rached
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Abstract
The use of an alcoholic compound to improve the miscibility of ammonia with 2,3,3,3-tetrafluoropropene, as well as to compositions of ammonia, 2,3,3,3-tetrafluoropropene and an alcoholic compound, and the use thereof, in particular in heat-transfer applications. A composition including 2,3,3,3-tetrafluoropropene, ammonia and an alcoholic compound having a melting point less than or equal to 0° C.
Claims18
A composition comprising 2,3,3,3-tetrafluoropropene, ammonia and an alcoholic compound having a melting point less than or equal to 0° C., wherein the composition comprises from 1 to 60 wt % of ammonia and from 40 to 99 wt % of 2,3,3,3-tetrafluoropropene;
- the proportions being given relative to the sum of ammonia and 2,3,3,3-tetrafluoropropene,
- wherein the alcoholic compound is selected from propan-1-ol, propan-2-ol, 2-perfluorohexylethanol, 1,1,1,3,3,3-hexafluoropropan-2-ol and mixtures thereof, and
- wherein the alcoholic compound is present in a proportion from 0.5 to 20%, relative to the sum of the alcoholic compound, ammonia and 2,3,3,3-tetrafluoropropene.
A method for improving the miscibility of ammonia with 2,3,3,3-tetrafluoropropene, the method comprising adding an alcoholic compound, wherein the composition comprises from 1 to 60 wt % of ammonia and from 40 to 99 wt % of 2,3,3,3-tetrafluoropropene;
- the proportions being given relative to the sum of ammonia and 2,3,3,3-tetrafluoropropene,
- wherein the alcoholic compound is selected from propan-1-ol, propan-2-ol, 2-perfluorohexylethanol, 1,1,1,3,3,3-hexafluoropropan-2-ol and mixtures thereof, and
- wherein the alcoholic compound is present in a proportion from 0.5 to 20%, relative to the sum of the alcoholic compound, ammonia and 2,3,3,3-tetrafluoropropene.
Dependencies are inferred from the claim text.