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US 12,275,259 B2Granted
Transfer paper and stamping method combining screen printing and digital printing
AssigneeSumiprint Quimica Y Color S.A.S.
InventorJulio Alberto Álvarez Pérez
Life of this patent
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Abstract
The present invention refers to a coated transfer paper for receiving digital printing inks, maintaining high tonal fidelity, the paper being treated to transfer the image when it contacts a receiving base, preventing transfer to surfaces that do not have the receiving base. In addition, the invention relates to a printing method that combines the techniques of screen printing and digital printing, using the transfer paper.
Claims15
A transfer paper comprising:
- a base formed by a bond-, kraft- or glassine-type cellulose sheet;
- and
- a coating layer comprising 0.1-30% wt. water soluble polymers, 0.1-10% wt. suspended solids for drying the ink, 8-30% wt. base resin or polymer compatible with transfer base material, 2-10% wt. binding polymer, 0.1-8% release agents, 0.1-4% wt. emulsifiers, 0.1-2% wt. pH stabilizer, and 0.1-1% wt. preservatives.
Dependencies are inferred from the claim text.