Water soluble metal working fluids
AssigneeMonsanto Company
InventorsDennis J. Kalota, Larry A. Spickard, Skippy H. Ramsey
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Abstract
There are disclosed novel water soluble metal working fluids comprising polyaspartic acid and salts thereof useful as a lubricant in process to cut, bend, grind and shape both ferrous and non-ferrous metal. The polyaspartic acid and salts thereof are particularly advantageous in that the fluids can be easily disposed of after use with special treatment because polyaspartic acid and salts thereof are readily biodegradable.
Claims15
In a method of metal working wherein a lubricant is provided for said metal, the improvement which comprises providing an aqueous solution of a polyaspartic polymer selected from the group consisting of the acid, salt and amide thereof.
Dependencies are inferred from the claim text.