Aluminum metal machining fluid lubricating concentrate

Abstract

A concentrate particularly suitable for aluminum machining containing: alkenylsuccinic acid derivative, sodium hydroxide salt; ether carboxylate; alkyl benzene sodium sulfate; fatty alcohol polyglycol ether; tall oil fatty acid having about 18 carbon atoms; trimethyl propylene; butylcarbitol; (44%) potassium hydroxide; and blended with about 50% by weight of a mineral oil and added to water to form a working composition.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to lubricant fluids used in metal machining. More particularly, it refers to a fluid lubricant concentrate for use in the machining of aluminum products. [0003] 2. Description of the Prior Art [0004] U.S. Pat. No. 5,668,093 describes the use of alkenylsuccinic acid half-amides used in metal working liquids. In addition, the preparation of alkenylsuccinic anhydride used as a starting material to make the alkenylsuccinic acid half-amides are well known. Although the alkenylsuccinic acid half-amides are now known generally as metal working liquids, each type of metal requires specific concentrates for optimum results. A major problem of prior art cutting fluids is that they alter the substrate surface chemistry of aluminum substrates. They also have poor water break characteristics resulting in incomplete coating of the substrate by the cutting fluid and the retention of contaminants on th...

AI Technical Summary

Problems solved by technology

A major problem of prior art cutting fluids is that they alter the substrate surface chemistry of aluminum substrates.

They also have poor water break characteristics resulting in incomplete coating of the substrate by the cutting fluid and the retention of contaminants on the substrate surface following cleaning, including water beads.