Increasing the electrical resistivity of ester lubricants, espec

Details Increasing the electrical resistivity of ester lubricants, espec Increasing the electrical resistivity of ester lubricants, espec

1995-11-03

1998-12-22

Diamond, Alan

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

508492, 252 68, 252579, C09K 504, H01B 320, C10M10538

Patent

active

058519688

ABSTRACT:
The electrical resistivity of hindered polyol ester lubricants can be raised to very high levels by treating the lubricants with activated alumina, preferably after the acid values of the lubricants treated have already been reduced to low levels by conventional refining with alkali or other acid scavengers.

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