Temporary protective coating compositions
AssigneePPG Industries, Inc.
InventorsEllor J. Van Buskirk, Rudolf Maska
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Abstract
A formable, weldable, temporary protective coating for use on metals, said coating comprising a base-neutralized acid or base-functional copolymer which contains wax.
Claims6
An aqueous protective coating for a metallic substrate, said coating comprises a neutralized acid or base-functional copolymer and a lubricating composition consisting essentially of 5 to 70% by weight of a wax based on the total weight of said copolymer and said wax wherein the copolymer and wax are obtained in combination by free-radical addition polymerization of an acid or a base-functional ethylenically unsaturated monomer in a solvent in the presence of the wax.
Dependencies are inferred from the claim text.