LUBRICANT COMPOSITIONS

摘要

This invention relates to lubricant compositions comprising a polyalkylene glycol and an ester wherein the polyalkylene glycol has the formula (I): RO- (CH2CH(CH3)O)n-CH3 where R is an alkyl group with 1 to 15 carbon atoms and n = 1 to 35. The lubricant compositions of the invention do not readily form stable emulsions with water. This feature makes the lubricant compositions o f the invention particularly suitable for use with air compressors where it is very difficult to exclude moisture.