Patent ID: 6316394
Filing Date: 2001-11-13
Classification: C10M,C10N

Abstract:
A synthetic aqueous machining fluid composition free of sulfurized organic lubricant and halogenated organic lubricant comprising in admixturea) water;b) at least one water soluble or dispersible organic phosphate ester;c) at least one water soluble or dispersible monocarboxylic aliphatic fatty acid or at least one water soluble or dispersible salt of a monocarboxylic aliphatic fatty acid or mixture thereof; andd) at least one water soluble or dispersible propylene oxide terminated ethylene oxide/propylene oxide copolymer having at least one terminal hydroxyl groupwherein the weight ratio of b) to c) to d) is in the range of from about 0.10:0.15:1 to about 10:15:1.