Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane

Details Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane

C - Chemistry, Metallurgy

09

K

C09K 5/04 (2006.01) C07C 19/08 (2006.01) C11D 7/30 (2006.01)

Patent

CA 2362262

Disclosed are binary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee) or nonafluoromethoxybutane. The present invention further includes ternary or quaternary azeotrope-like compositions consisting essentially of 1,1,1,3,3- pentafluorobutane and 1,1,1,2,3,4,4,5,5-decafluoropentane or nonafluoromethoxybutane, and additionally trans-1,2-dichloroethylene, n-propyl bromide, acetone, methanol, ethanol or isopropanol.

La présente invention concerne des compositions binaires, de type azéotrope, contenant essentiellement du 1,1,1,3,3-pentafluorobutane (HFC-365mfc) et du 1,1,1,2,3,4,4,5,5,5-décafluoropentane (HFC-43-10mee) ou du nonafluorométhoxybutane. Elle concerne aussi des compositions ternaires ou quaternaires, de type azéotrope, contenant essentiellement du 1,1,1,3,3-pentafluorobutane et du 1,1,1,2,3,4,4,5,5-décafluoropentane ou du nonafluorométhoxybutane, ainsi que du trans-1,2-dichloroéthylene, du bromure de n-propyle, de l'acétone, de méthanol, de l'éthanol ou de l'isopropanol.

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