Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and

Details Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and

1995-12-22

1996-10-08

Therkorn, Linda Skaling

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

252305, 252364, 264 53, 264DIG5, 521 98, 521131, 521902, 521910, C08J 900, C08J 914, C11D 750

Patent

active

055628575

ABSTRACT:
Azeotropic compositions made up of from about 65 to about 81% by weight of 1,1,1,3,3-pentafluoropropane and from about 19 to about 35% by weight of 2-methyl butane have been found to be particularly useful as blowing agents for the production of polyurethane foams.

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patent: 5166182 (1992-11-01), Blanpied
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patent: 5283003 (1994-02-01), Chen
patent: 5308881 (1994-05-01), Londrigan et al.
Lamberts "1,1,1,4,4,4-Hexafluorobutane, a New Non-Ozone-Depleting Blowing Agent for Rigid PUR Foams'", Polyurethanes World Congress 1991 (Sep. 24-26), pp. 734-739.

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