Water resistant metal pigment-containing paste and method for making
AssigneeSilberline Manufacturing Co., Inc.
InventorsWilliam G. Jenkins, Craig Keemer, H. Taylor Lamborn, Michael Curcio
Life of this patent
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Abstract
Metal pigment particles which are treated with a phosphosilicate compound show increased stability against attack by water. The particles are especially useful in aqueous coating compositions.
Claims13
A metal pigment-containing paste suitable for formation of a coating composition, comprising:
- metal pigment particles;
- a solvent;
- and at least one phosphosilicate compound
- wherein the metal pigment particles comprise aluminum.
A metal pigment-containing paste suitable for formation of a coating composition, comprising:
- metal pigment particles;
- a solvent;
- and at least one phosphosilicate compound
- wherein the metal pigment particles comprise bronze.
A metal pigment-containing paste suitable for formation of a coating composition, comprising:
- metal pigment particles;
- a solvent;
- and at least one phosphosilicate compound
- wherein the metal pigment particles comprises at least one member selected from the group consisting of calcium strontium phosphosilicate, aluminum zirconium zinc phosphosilicate and calcium strontium zinc phosphosilicate.
A method of making a metal pigment-containing paste useful for forming a coating composition, comprising:
- (a) producing aluminum particles;
- and
- (b) contacting the aluminum particles with a phosphosilicate compound.
In a painted automobile, the improvement comprising paint containing aluminum particles which have been treated with a phosphosilicate compound.
Dependencies are inferred from the claim text.