Difluoromethane and pentafluoroethane pseudo-azeotropic...

Details Difluoromethane and pentafluoroethane pseudo-azeotropic... Difluoromethane and pentafluoroethane pseudo-azeotropic...

C - Chemistry, Metallurgy

09

K

C09K 5/04 (2006.01) C09K 3/30 (2006.01) C11D 7/50 (2006.01)

Patent

CA 2173188

Pour remplacer le chlorodifluorométhane dans les systèmes de réfrigération ou de conditionnement d'air, l'invention propose d'utiliser comme fluide frigorigène un mélange contenant du difluorométhane, du pentafluoroéthane et au moins un composé fluoré choisi dans le groupe constitué par le perfluoropropane, le 1,1,1,2,3,3,3-heptafluoropropane, 1,1,1,2,2,3,3-heptafluoropropane, le 1,1,1,2,2-pentafluoro- propane, le méthyle trifluorométhyléther et le pentafluorodi- méthyléther.

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