Refrigeration lubricants

Details Refrigeration lubricants Refrigeration lubricants

C - Chemistry, Metallurgy

09

K

253/124, 31/63

C09K 5/04 (2006.01) C10M 107/24 (2006.01) C10M 107/34 (2006.01) C10M 169/04 (2006.01) C10M 171/00 (2006.01)

Patent

CA 1313861

Abstract of the Invention Compression refrigeration equipment using tetra- fluoroethane as a working fluid employs polyoxyalkylene glycols which are at least difunctional with respect to hydroxyl groups and a molecular weight between 300 and 2000. The range of miscibility of mixtures of the glycols with the refrigerant will be from -40°C to at least +20°C.

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