Patent ID: 8507616

Claim:
A pigmented adhesive composition for use with a heat transfer label of the type wherein a graphic is formed on a substrate having a release layer thereon and the graphic is transferred from the release layer of the substrate onto an associated item using heat, the pigmented adhesive composition comprising: a hydroxyl-functional polyurethane dispersion; one or more other polyurethane dispersion different from the hydroxyl-functional polyurethane dispersion; a blocked cross-linking agent; a catalyst for the blocked cross-linking agent; a pigment dispersion; and an adhesive powder, wherein the hydroxyl-functional polyurethane dispersion, the one or more other polyurethane dispersion, the blocked cross-linking agent, the catalyst for the blocked cross-linking agent, the pigment dispersion, and the adhesive powder are combined in a mixture prior to applying the pigmented adhesive on the release layer of the substrate.