Rotary screw compressor lubricants

Details Rotary screw compressor lubricants Rotary screw compressor lubricants

C - Chemistry, Metallurgy

10

M

253/121, 253/57

C10M 171/00 (2006.01) C10M 111/04 (2006.01)

Patent

CA 1139295

ABSTRACT OF THE DISCLOSURE Synthetic lubricants containing (A) 15 to 45 weight percent of an ester of a hindered polyhydric alco- hol having 3 to 6 hydroxy groups and 5 to 10 carbon atoms with one or more alkanoic acids having 4 to 18 carbon atoms blended with (B) 85 to 55 weight percent of one or more polyoxyalkylene glycols or their mono- or dialkyl ethers having a 400-5000 number average molecular weight. The blends are compounded with antioxidants, corrosion inhibitors, and metal deactivators to produce a superior lubricant for rotary screw compressors that has a long life.

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