Azeotrope-like compositions of E-1,1,1,4,4,4-hexafluoro-2-butene and 1-chloro-3,3,3-trifluoropropene
View Patent ↗Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,4-hexafluoro-2-butene with E-1-chloro-3,3,3-trifluoropropene or 2-chloro-3,3,3-trifluoropropene. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as dielectrics.
1. A composition consisting essentially of:
(a) E-1,1,1,4,4,4-hexafluoro-2-butene; and
(b) a component selected from the group consisting of E-1-chloro-3,3,3-trifluoropropene and 2-chloro-3,3,3-trifluoropropene; wherein said component is present in an effective amount to form an azeotrope-like combination with the E-1,1,1,4,4,4-hexafluoro-2-butene.
2. The azeotrope-like composition of claim 1 consisting essentially of from about 1 to about 99 mole percent E-1,1,1,4,4,4-hexafluoro-2-butene and from about 99 to about 1 mole percent E-1-chloro-3,3,3-trifluoropropene, characterized by: at a temperature of from about −40° C. to about 140° C., said composition having a difference in dew point pressure and bubble point pressure of less than or equal to 5 percent based upon the bubble point pressure.
3. The azeotrope-like composition of claim 1 consisting essentially of from about 5 to about 99 mole percent E-1,1,1,4,4,4-hexafluoro-2-butene and from about 99 to about 5 mole percent E-1-chloro-3,3,3-trifluoropropene, characterized by: at a temperature of from about −40° C. to about 140° C., said composition having a difference in dew point pressure and bubble point pressure of less than or equal to 5 percent based upon the bubble point pressure.
4. The azeotrope-like composition of claim 1 consisting essentially of from about 1 to about 99 mole percent E-1,1,1,4,4,4-hexafluoro-2-butene and from about 99 to about 1 mole percent 2-chloro-3,3,3-trifluoropropene, characterized by: at a temperature of from about −40° C. to about 120° C., said composition having a difference in dew point pressure and bubble point pressure of less than or equal to 5 percent based upon the bubble point pressure.
5. The azeotrope-like composition of claim 1 consisting essentially of from about 5 to about 99 mole percent E-1,1,1,4,4,4-hexafluoro-2-butene and from about 99 to about 5 mole percent 2-chloro-3,3,3-trifluoropropene, characterized by: at a temperature of from about −40° C. to about 120° C., said composition having a difference in dew point pressure and bubble point pressure of less than or equal to 5 percent based upon the bubble point pressure.
6. A process for producing refrigeration comprising condensing the azeotrope-like composition of claim 1 and thereafter evaporating said azeotrope-like composition in the vicinity of the body to be cooled.
7. A composition consisting essentially of:
(a) E-1,1,1,4,4,4-hexafluoro-2-butene; and
(b) 2-chloro-3,3,3-trifluoropropene; wherein the 2-chloro-3,3,3-trifluoropropene is present in an effective amount to form an azeotropic combination with the E-1,1,1,4,4,4-hexafluoro-2-butene.
8. The azeotropic composition of claim 7 consisting essentially of from about 60.2 mole percent to about 98.8 mole percent E-1,1,1,4,4,4-hexafluoro-2-butene and from about 39.8 mole percent to about 1.2 mole percent 2-chloro-3,3,3-trifluoropropene, which has boiling point temperature of from about −40° C. to about 120° C. at a pressure of from about 1.5 psia to about 328 psia.
9. A process for producing refrigeration comprising condensing the azeotropic composition of claim 7 and thereafter evaporating said azeotropic composition in the vicinity of the body to be cooled.