Latent-reactively glued TPU/PC layer materials
View Patent ↗A document ( 2 ) containing: electronic components ( 14 ) and/or diffractive security elements; at least one protective layer ( 4, 5 ) being arranged on one side or two protective layers ( 4, 5 ) being arranged on both sides of the electronic components ( 14 ) and/or of the diffractive security element, said protective layers being formed of a first base polymer, polymer layers ( 8, 9, 12, 13 ), being formed of a second base polymer being different from the first base polymer, into which the electronic components ( 14 ) and/or the diffractive security element with the protective layers ( 4, 5 ) are laminated; and adhesive layers with a latent-reactive adhesive ( 10, 11 ) being arranged at least between the polymer layers ( 8, 9, 12, 13 ) and the protective layers ( 4, 5 ), and wherein the core layer or protective layers are formed of a thermoplastic elastomer.
1. A document ( 2 ) comprising:
electronic components ( 14 ) and/or diffractive security elements;
at least one protective layer ( 4 , 5 ) being arranged on one side or two protective layers ( 4 , 5 ) being arranged on both sides of the electronic components ( 14 ) and/or of the diffractive security element, said protective layers being formed of a first base polymer,
polymer layers ( 8 , 9 , 12 , 13 ), being formed of a second base polymer being different from the first base polymer, into which the electronic components ( 14 ) and/or the diffractive security element with the protective layers ( 4 , 5 ) are laminated; and
adhesive layers with a latent-reactive adhesive ( 10 , 11 ) being arranged at least between the polymer layers ( 8 , 9 , 12 , 13 ) and the protective layers ( 4 , 5 ), and wherein a core layer ( 3 ) is formed of a thermoplastic elastomer.
2. The document according to claim 1 , wherein the electronic components ( 14 ) and/or the diffractive security element are embedded in the core layer ( 3 ), wherein optionally also between the protective layers ( 4 , 5 ) and the core layer, adhesive layers ( 6 , 7 ) with a latent-reactive adhesive are arranged.
3. The document according to claim 1 , wherein the core layer has a thickness from 100 to 600 μm.
4. The document according to claim 3 , wherein the core layer has a thickness from 200 to 400 μm.
5. The document according to claim 1 , wherein the polymer layers ( 8 , 9 , 12 , 13 ) are identical or different and are formed of a base polymer selected from the group comprising PC (polycarbonate), PET (polyethylene glycol terephthalate), PET-G, PET-F, PMMA (polymethyl methacrylate), ABS (acrylnitrile butadiene styrene), PE (polyethylene), PP (polypropylene), PI (polyimide or polytrans-isoprene), PVC (polyvinyl chloride) and copolymers of such polymers.
6. The document according to claim 1 , wherein the protective layers ( 4 , 5 ) have a thickness from 30 to 250 μm.
7. The document according to claim 6 , wherein the protective layers ( 4 , 5 ) have a thickness from 30 to 150 μm.
8. The document according to claim 1 , wherein one or more of the protective layer ( 4 , 5 ) has a recess.
9. The document according to claim 1 , wherein one of the protective layers ( 4 , 5 ) immediately carries a printing layer on the side facing the core layer ( 3 ) or the electronic component ( 14 ) and/or on the side facing away from the core layer ( 3 ) or the electronic component, on the entire surface or on a partial surface, or both protective layers each immediately carry a printing layer on the side facing the core layer ( 3 ) or the electronic component ( 14 ) and/or on the side facing away from the core layer ( 3 ) or the electronic component ( 14 ) , on the entire surface or on a partial surface.
10. The document according to claim 1 , wherein the polymer layers have a thickness in the range from 30 to 400 μm.
11. The document according to claim 10 , wherein the polymer layers have a thickness in the range from 50 to 250 μm.
12. The document according to claim 1 , wherein one or more of the polymer layers each carry a printing layer.
13. The document according to claim 2 , wherein the core layer ( 3 ) is formed of a thermoplastic elastomer selected from the group consisting of olefin-based thermoplastic elastomers (TPO), mainly PP/EPDM, cross-linked olefin-based thermoplastic elastomers (TPV), urethane-based thermoplastic elastomers (TPU), thermoplastic copolyesters (TPE), styrene block copolymers, or thermoplastic copolyamides.
14. The document according to claim 1 , wherein the protective layers ( 4 , 5 ) are formed of a thermoplastic elastomer selected from the group consisting of olefin-based thermoplastic elastomers (TPO), mainly PP/EPDM, cross-linked olefin-based thermoplastic elastomers (TPV), urethane-based thermoplastic elastomers (TPU), thermoplastic copolyesters (TPE), styrene block copolymers, or thermoplastic copolyamides.
15. The document according to claim 1 , wherein the polymer layers ( 8 , 9 , 12 , 13 ) are identical or different and are formed of a base polymer selected from the group group consisting of bisphenol A polycarbonate, PET (polyethylene glycol terephthalate), PET-G, PET-F, PMMA (polymethyl methacrylate), ABS (acrylnitrile butadiene styrene), PE (polyethylene), PP (polypropylene), PI (polyimide or poly-trans-isoprene), PVC (polyvinyl chloride) and copolymers of such polymers.
16. A method for producing a document ( 2 ) according to claim 1 comprising:
a) providing one of an electronic component ( 14 ), a diffractive security element, or a core layer ( 3 ) with embedded electronic components ( 14 ) and/or diffractive elements,
b) on the core layer ( 3 ) and/or on one side of the protective layers ( 4 , 5 ), optionally after imprinting at least one of the protective layers( 4 , 5 ), and/or on both sides of the protective layers ( 4 , 5 ), a latent-reactive adhesive is applied ( 6 , 7 , 10 , 11 ), and
c) the core layer ( 3 ), the protective layers ( 4 , 5 ), and the polymer layers ( 8 , 9 , 12 , 13 ) are joined so as to form a layer structure in the order: one or more of the polymer layers ( 8 , 9 , 12 , 13 ); a first of the protective layers ( 4 , 5 ); the electronic component and/or the diffractive element, or the core layer ( 3 ); a second of the protective layers ( 5 or 4 ); additional polymer layers ( 12 , 13 or 8 , 9 ), said layers being laminated with each other, and said layers being heated to a temperature, which is above a reaction temperature T r of the latent-reactive adhesive.
17. The method according to claim 16 , wherein the lamination is carried out at temperatures in the range from 100 to 230° C., for a time of 1 to 240 min, and at a pressure from 0 to 400 N/cm 2 .
18. The method according to claim 17 , wherein the lamination is carried out at temperatures in the range from 170 to 210° C.
19. The method according to claim 17 , wherein the lamination is carried out for a time of 5 to 60 min.
20. The method according to claim 17 , wherein the lamination is carried out at a pressure from 10 to 200 N/cm 2 .
21. The method according to claim 17 , wherein the lamination is carried out under vacuum in the range from 2 to 2000 mbars.
22. A document ( 2 ) comprising:
electronic components ( 14 ) and/or diffractive security elements;
at least one protective layer ( 4 , 5 ) being arranged on one side or two protective layers ( 4 , 5 ) being arranged on both sides of the electronic components ( 14 ) and/or of the diffractive security element, said protective layers being formed of a first base polymer,
polymer layers ( 8 , 9 , 12 , 13 ), being formed of a second base polymer being different from the first base polymer, into which the electronic components ( 14 ) and/or the diffractive security element with the protective layers ( 4 , 5 ) are laminated; and
adhesive layers with a latent-reactive adhesive ( 10 , 11 ) being arranged at least between the polymer layers ( 8 , 9 , 12 , 13 ) and the protective layers ( 4 , 5 ), and wherein the protective layers ( 4 , 5 ) are formed of a thermoplastic elastomer.