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

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

C - Chemistry, Metallurgy

08

J

C08J 9/14 (2006.01) C08G 18/76 (2006.01)

Patent

CA 2213897

Azeotropic compositions made up of from about 60 to about 78% by weight of 1,1,1,3,3-pentafluoropropane and from about 22 to about 40% by weight of tetramethylsilane have been found to be particularly useful as blowing agents for the production of polyurethane foams.

Des compositions azéotropes constituées d'environ 60 à environ 78 % en poids de 1,1,1,3,3-pentafluoropropane et d'environ 22 à environ 40 % en poids de tétraméthylsilane se sont révélées particulièrement utiles comme agents gonflants pour la production de mousses de polyuréthane.

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