US 2010/0137495 A1 · EXTERIOR PAINT FORMULATION

Abstract

The present invention provides increased stain resistance, tannin blocking, adhesion, and various other properties. A composition in accordance with the principles of the present invention comprises at least two binders, nanoparticle pigment, and pigmentary titanium dioxide. In one embodiment, the present invention relates to a coating on a substrate wherein the coating has two binders, nanoparticle metal oxide pigment, and pigmentary titanium dioxide. Various additives may be included to formulate paint as known in the art.

Claims8

Dependent claims

A process for producing a paint composition comprising the steps of:

dispersing a pigmentary-sized pigment in a solvent to form a dispersion;
mixing the dispersion with grind additives;
adding a first acrylic primer binder and a second acrylic topcoat binder to the dispersion;
and
adding letdown additives to the dispersion, wherein the resulting composition includes a PVC of about 4 to about 55 and a percentage of solid by weight of between about 30 and about 55.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

12/620,226Filed 17 Nov 2009

Priority

9 Aug 2004

Published

3 Jun 2010

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

C09D 5/00
Coating compositions
C09D 7/61
Non-macromolecular: inorganic
C09D 7/67
Characterised by particle size: particle size smaller than 100 nm
B05D 7/14
Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying…

Exterior paint formulation

Life of this patent

Exterior paint formulation

Life of this patent

Abstract

Claims8