Compositions of tetrafluoropropene and hydrocarbons
AssigneeHoneywell International Inc.
InventorsGary M. Knopeck, Kane D. Cook, Rajiv R. Singh, Hang T. Pham
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Abstract
Provided are azeotrope-like compositions comprising tetrafluoropropene and one or more selected hydrorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
Claims48
An azeotrope-like composition consisting essentially of from about 90 weight percent to about 99.9 weight percent of trans-1,3,3,3-tetrafluoropropene (transHFO-1234ze) and from about 0.1 weight percent to about 10 weight percent of 2-methylbutane.
A one-component foam or foamable composition comprising a foam forming agent and a blowing agent comprising an azeotrope-like composition consisting essentially of from about 90 weight percent to about 99.9 weight percent of trans-1,3,3,3-tetrafluoropropene (transHFO-1234ze) and from about 0.1 weight percent to about 10 weight percent of 2-methylbutane.
Dependencies are inferred from the claim text.