Thermal transfer laminate

• US 6,461,722 B1
• Filed: 10/30/2000
• Issued: 10/08/2002
• Est. Priority Date: 10/06/1998
• Status: Expired due to Term

• Current Assignee: Ccl Label Incorporated (CCL Industries Incorporated)
• Original Assignee: Avery Dennison Corporation
• Inventors: Herrmann, Charles K., Sandt, Richard L., Wisniewski, Mark, Kittel, Mark D.
• Primary Examiner(s): Kelly, Cynthia H.
• Assistant Examiner(s): SHEWAREGED, BETELHEM
• Application Number:
  US09/702,355
• Time in Patent Office: 708 Days
• Field of Search: 428/354, 428/204, 428/195, 428/207, 428/343, 428/211, 428/355.R, 428/913, 428/914
• US Class Current: 428/32.51
• CPC Class Codes: B41M 5/38207 characterised by aspects not provided for in groups B41M5/385 - B41M5/395
• CPC Class Codes: B44C 1/1712 Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
• CPC Class Codes: Y10S 428/913 Material designed to be responsive to temperature, light, moisture
• CPC Class Codes: Y10S 428/914 Transfer or decalcomania
• CPC Class Codes: Y10T 428/24876 Intermediate layer contains particulate material [e.g., pigment, etc.]
• CPC Class Codes: Y10T 428/24901 including coloring matter
• CPC Class Codes: Y10T 428/28 Web or sheet containing structurally defined element or component and having an adhesive outermost layer
• CPC Class Codes: Y10T 428/2848 Three or more layers
• CPC Class Codes: Y10T 428/2852 Adhesive compositions

Abstract

This invention relates to a thermal transfer laminate, comprising: a facestock comprising a first layer having an upper surface and a lower surface, and a heat-activatable adhesive layer underlying the lower surface of said first layer; an adhesion-promoting layer overlying the upper surface of said first layer; an abrasion-resistant transparent coating layer overlying said adhesion-promoting layer; and another adhesive layer overlying said abrasion-resistant coating layer. In one embodiment, an ink or graphics layer overlies the upper surface of the first layer of the facestock and provides a pictorial design and/or print message. In one embodiment, the laminate is adhered to a carrier sheet. In one embodiment, the laminate is adhered to a substrate such as an automotive interior surface.

Claims

1. A composite comprising a substrate and a thermal transfer laminate adhered to said substrate, said thermal transfer laminate comprising:

a facestock comprising a first layer having an upper surface and a lower surface, and a heat-activated adhesive layer underlying said lower surface of said first layer, said facestock being adhered to said substrate by said heat-activated adhesive layer;

an adhesion-promoting layer overlying said upper surface of said first layer; and

an ink or graphics layer overlying said adhesion promoting layer; and

an abrasion-resistant transparent coating layer overlying said ink or graphics layer.

2. The composite of claim 1 wherein said upper surface of said first layer is corona treated.

3. The composite of claim 1 wherein said first layer comprises a single-layered construction.

4. The composite of claim 1 wherein said first layer comprises a multi-layered construction.

5. The composite of claim 1 wherein said first layer comprises foil, paper, polymer film, textile, or a combination thereof.

6. The composite of claim 1 wherein said first layer is comprised of a polymeric film.

7. The composite of claim 1 wherein said first layer is comprised of a multi-layered polymeric film.

8. The composite of claim 1 wherein said facestock is comprised of a coextrudate.

9. The composite of claim 1 wherein said first layer is a thermoplastic core layer having an upper surface and a lower surface, and said heat-activatable adhesive layer is a thermoplastic film layer underlying said lower surface of said core layer, said facestock further comprising an upper thermoplastic core layer overlying said upper surface of said core layer.

10. The composite of claim 9 wherein said upper thermoplastic film layer is corona treated.

11. The composite of claim 9 wherein said upper thermoplastic film layer is comprised of a thermoplastic polymeric material selected from the group consisting of polyolefins, polyesters, polyamides, acrylic polymers, polystyrenes, polyurethanes, polycarbonates, polyacrylonitriles, ethylene-propylene copolymers, and mixtures of two or more thereof.

12. The composite of claim 1 wherein said heat-activatable adhesive layer is comprised of a heat-activatable adhesive or thermoplastic film material selected from the group consisting of polyolefins, polyamides, polyester copolymers, ionomers based on sodium or zinc salts of ethylene methacrylic acid, polyacrylonitriles, ethylene-vinyl acetate copolymers, ethylene methacrylic acid, ethylene methyl acrylate, ethylene acrylic acid, ethylene ethyl acrylate, and mixtures of two or more thereof.

13. The composite of claim 9 wherein said first layer is comprised of a thermoplastic polymeric material selected from the group consisting of polyolefins, polyamides, polyesters, polyester copolymers, polyurethanes, polysulfones, styrene-maleic anhydride copolymers, styrene-acrylonitrile copolymers, ionomers based on sodium or zinc salts of ethylene methacrylic acid, polymethyl methacrylates, cellulosics, acrylic polymers and copolymers, polycarbonates, polyacrylonitriles, ethylene-vinyl acetate copolymers, and mixtures of two or more thereof.

14. The composite of claim 1 wherein said adhesion-promoting layer is comprised of a material selected from the group consisting of polyolefins, polyamides, polyesters, polyester copolymers, polyurethanes, polysulfones, polyvinylidene chloride, styrene-maleic anhydride copolymers, styrene-acrylonitrile copolymers, ionomers based on sodium or zinc salts of ethylene methacrylic acid, polymethyl methacrylates, acrylic polymers and copolymers, polycarbonates, polyacrylonitriles, ethylene-vinyl acetate copolymers, and mixtures of two or more thereof.

15. The composite of claim 1 wherein said abrasion-resistant transparent coating layer is made from UV curable oligomers selected from the group consisting of epoxies, urethanes, polyesters and acrylics.

16. The composite of claim 1 wherein said substrate is comprised of a metal, plastic, leather, paper or textile material, or combination of two or more thereof.

17. A thermal transfer laminate comprising:

a facestock comprising a first layer having an upper surface and a lower surface, and a heat-activatable adhesive layer underlying said lower surface of said first layer;

an adhesion-promoting layer overlying said upper surface of said first layer;

an ink or graphics layer overlying said adhesion promoting layer; and

an abrasion-resistant transparent coating layer overlying said ink or graphics layer.

18. The laminate of claim 17 wherein another adhesive layer overlies said abrasion-resistant transparent coating layer.

19. The laminate of claim 18 wherein a carrier sheet is adhered to said another adhesive layer.

20. The laminate of claim 17 wherein said upper surface of said first layer is corona treated.

21. The laminate of claim 17 wherein said first layer comprises a single-layered construction.

22. The laminate of claim 17 wherein said first layer comprises a multi-layered construction.

23. The laminate of claim 17 wherein said first layer comprises foil, paper, polymer film, textile, or a combination thereof.

24. The laminate of claim 17 wherein said first layer is comprised of a polymeric film.

25. The laminate of claim 17 wherein said first layer is comprised of a multi-layered polymeric film.

26. The laminate of claim 17 wherein said facestock is comprised of a coextrudate.

27. The laminate of claim 17 wherein said first layer is a thermoplastic core layer having an upper surface and a lower surface, and said heat-activatable adhesive layer is a thermoplastic film layer underlying said lower surface of said core layer, said facestock further comprising an upper thermoplastic core layer overlying said upper surface of said core layer.

28. The laminate of claim 27 wherein said upper thermoplastic film layer is corona treated.

29. The laminate of claim 27 wherein said upper thermoplastic film layer is comprised of a thermoplastic polymeric material selected from the group consisting of polyolefins, polyesters, polyamides, acrylic polymers, polystyrenes, polyurethanes, polycarbonates, polyacrylonitriles, ethylene-propylene copolymers, and mixtures of two or more thereof.

30. The laminate of claim 17 wherein said heat-activatable adhesive layer is comprised of a heat-activatable adhesive or thermoplastic film material selected from the group consisting of polyolefins, polyamides, polyester copolymers, ionomers based on sodium or zinc salts of ethylene methacrylic acid, polyacrylonitriles, ethylene-vinyl acetate copolymers, ethylene methacrylic acid, ethylene methyl acrylate, ethylene acrylic acid, ethylene ethyl acrylate, and mixtures of two or more thereof.

31. The laminate of claim 27 wherein said first layer is comprised of a thermoplastic polymeric material selected from the group consisting of polyolefins, polyamides, polyesters, polyester copolymers, polyurethanes, polysulfones, styrene-maleic anhydride copolymers, styrene-acrylonitrile copolymers, ionomers based on sodium or zinc salts of ethylene methacrylic acid, polymethyl methacrylates, cellulosics, acrylic polymers and copolymers, polycarbonates, polyacrylonitriles, ethylene-vinyl acetate copolymers, and mixtures of two or more thereof.

32. The laminate of claim 17 wherein said adhesion-promoting layer is comprised of a material selected from the group consisting of polyolefins, polyamides, polyesters, polyester copolymers, polyurethanes, polysulfones, polyvinylidene chloride, styrene-maleic anhydride copolymers, styrene-acrylonitrile copolymers, ionomers based on sodium or zinc salts of ethylene methacrylic acid, polymethyl methacrylates, acrylic polymers and copolymers, polycarbonates, polyacrylonitriles, ethylene-vinyl acetate copolymers, and mixtures of two or more thereof.

33. The laminate of claim 17 wherein said abrasion-resistant transparent coating layer is made from UV curable oligomers selected from the group consisting of epoxies, urethanes, polyesters and acrylics.

34. The laminate of claim 18 wherein said another adhesive layer is comprised of a radiation-cured adhesive material or a removable pressure-sensitive adhesive material.

35. The laminate of claim 19 wherein said carrier sheet is comprised of paper, polymer film, or a combination thereof.

36. The laminate of claim 19 wherein said carrier sheet is comprised of a transparent thermoplastic film.

37. The laminate of claim 17 wherein a tie layer of an adhesive resin is positioned between said lower surface of said first layer and said heat-activatable adhesive layer.

38. The laminate of claim 27 wherein a first tie layer of an adhesive resin is positioned between said core layer and said heat-activatable adhesive layer, and a second tie layer of an adhesive resin is positioned between said core layer and said upper thermoplastic core layer.