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US 2015/0329742 A1Published application
Digitally Printable Topcoat
AssigneeAvery Dennison Corporation
InventorJames BAKER
Life of this patent
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Abstract
A topcoat is described that can be applied or deposited using various printing techniques. The topcoat formulation includes solvated polyvinyl butyral, isocyanate or urethane prepolymer, and polyol.
Claims23
A topcoat formulation comprising:
- from 12% to 35% of at least one polyvinyl butyral;
- from 25% to 45% of at least one agent selected from the group consisting of isocyanates, urethane prepolymers, and combinations thereof;
- and
- from 32% to 52% of at least one polyol.
1 more element
A method of forming a topcoat on a substrate, the method comprising:
- providing a substrate defining a receiving face;
- providing a topcoat formulation including (i) from 12% to 35% of at least one polyvinyl butyral, (ii) from 25% to 45% of at least one agent selected from the group consisting of isocyanates, urethane prepolymers, and combinations thereof, and (iii) from 32% to 52% of at least one polyol;
- applying the topcoat formulation to the receiving face of the substrate;
- performing at least one of curing and drying of the applied topcoat formulation to thereby form the topcoat.
1 more element
Dependencies are inferred from the claim text.