HEAT-TRANSFER LABEL AND ADHESIVE COMPOSITION FOR USE THEREIN

摘要

A composition for use in forming an adhesive layer and a heat-transfer label including such an adhesive layer. In one embodiment, the label is designed for use on silane-treated glass containers of the type that are subjected to pasteurization conditions. The label includes a support portion (13) and a transfer portion (21), the transfer portion being positioned over the support portion. The support portion (13) includes a sheet of paper (15) overcoated with a release layer of polyethylene (17). The transfer portion (21) includes an organic solvent-soluble phenoxy protective lacquer layer (23), an organic solvent-soluble polyester ink layer (25) over the protective lacquer layer, and an acrylic adhesive layer (27) over the ink layer. The adhesive layer (27) is formed by depositing onto the ink layer (25), e.g., by gravure printing, a composition comprising a water-based acrylic resin dispersion or emulsion, isopropyl alcohol and water, and then evaporating the volatile components of the composition to leave an acrylic film.