Patent ID: 7141619
Filing Date: 2006-11-28
Classification: C08G,C09D,Y10T

Abstract:
1. An aqueous-based composition comprising: a) the reaction product of one or more epoxy-containing materials and phosphoric acid; and b) a curing agent, and c) water, wherein the composition has a volatile organic compound content of less than 2.4 as determined by Method 24, wherein the equivalent ratio of the phosphoric acid to epoxy-containing material is between 1.6:1 and 5:1, wherein the composition comprises <1 weight percent of conductive pigment, and wherein the composition is capable of producing a coating layer on a substrate, wherein the layer has (i) a thickness of less than or equal to 2.2 microns, and (ii) 10 percent or less coating removal when tested according to ASTM E643 or ASTM D2794-93.