Azeotropic composition of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and trans-1,2-dichloroethylene, cis-1,2-dichloroethylene or 1,1-dichlorethane
AssigneeE. I. Du Pont de Nemours and Company
InventorAbid N. Merchant
Life of this patent
Estimating the term…
Abstract
Azeotropic mixtures of 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee) and trans-1,2-dichloroethylene, cis-1,2-dichloroethylene or 1,1-dichloroethane are useful as cleaning agents, expansion agents for polyolefins and polyurethanes, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
Claims8
An azeotropic or azeotrope-like composition consisting essentially of about 58 to 68 weight percent 1,1,1,2,3,4,4,5,5,5-decafluoropentane and about 32 to 42 weight percent trans-1,2-dichloroethylene wherein said composition boils at about 37.3.degree. C..+-.1.6.degree. C. at substantially atmospheric pressure.
An azeotropic or azeotrope-like composition consisting essentially of about 63 to 73 weight percent 1,1,1,2,3,4,4,5,5,5-decafluoropentane and about 27 to 37 weight percent cis-1,2-dichloroethylene wherein said composition boils at about 12.3.degree. C..+-.1.2.degree. C. at substantially atmospheric pressure.
An azeotropic or azeotrope-like composition consisting essentially of about 68 to 78 weight percent 1,1,1,2,3,4,4,5,5,5-decafluoropentane and about 22-32 weight percent 1,1-dichloroethane wherein said composition boils at about 43.0.degree. C..+-.2.8.degree. C. at about atmospheric pressure.
Dependencies are inferred from the claim text.