Polyol ester heavy duty compressor lubricants

Details Polyol ester heavy duty compressor lubricants Polyol ester heavy duty compressor lubricants

C - Chemistry, Metallurgy

10

M

C10M 105/38 (2006.01) C09K 5/04 (2006.01) C10M 105/42 (2006.01) C10M 169/04 (2006.01) C10M 171/00 (2006.01)

Patent

CA 2137257

A high quality heavy duty lubricant for refrigerating compressors, especially those using chlorine free hydrofluorocarbon refrigerant working fluids, is provided by mixed esters of hindered polyols, most desirably pentaerythritol with a mixture of car- boxylic acids including at least some iso-pentanoic acid along with at least 13 % of dibasic acids such as adipic.

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