| abstract |
The present invention discloses azeotropic and azeotrope-like compositions of E-1,1,1,4,4,4-hexafluoro-2-butene. The azeotropic or azeotrope-like composition is E-1,1,1,4,4,4-hexafluoro-2-butene and methyl formate, n-pentane, 2-methylbutane, trans Mixtures of ‑1,2‑dichloroethylene, 1,1,1,3,3‑pentafluoropropane, n-butane or isobutane. Also disclosed are methods of preparing thermoplastic or thermoset foams by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed are methods of refrigeration by use of such azeotropic or azeotrope-like compositions. Also disclosed are methods of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed are methods of making aerosol products by using such azeotropic or azeotrope-like compositions. Also disclosed are methods of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed are methods of extinguishing or retarding fires by using such azeotropic or azeotrope-like compositions. Also disclosed are methods of using such azeotropic or azeotrope-like compositions as dielectrics. |