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1. (US20120064318) TRANSPARENT BARRIER LAMINATES
Anmerkung: Text basiert auf automatischer optischer Zeichenerkennung (OCR). Verwenden Sie bitte aus rechtlichen Gründen die PDF-Version.

Claims

1. A transparent substrate-base-free permeation-barrier foil comprising a first polymer layer ( 10), a first inorganic barrier layer ( 20), at least one at least partially organic compensation layer ( 30), at least one further inorganic barrier layer ( 21), and also of at least one further polymer layer ( 11), wherein the polymer layers the inorganic barrier layers comprise the same or different material, and the thickness of the inorganic barrier layers is from 2 to 1000 nm, and in that the thickness of the polymer layers and of the at least partially organic compensation layer is less than 5 μm, preferably from 0.5 to 4 μm.
2. The permeation-barrier foil of claim 1, wherein the polymer layers have orientation in at least one direction.
3. The permeation-barrier foil of claim 1 wherein the polymer layers are comprised of monoaxially or biaxially oriented foils.
4. The permeation-barrier foil of claim 3, wherein the polymer is selected from the group consisting of polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate, fluoro-polyester, polymethylpentene, polynorbornene, substituted polyarylates, polyimide, cycloolefin copolymers, polysulfone, polyphenyl sulfone, polyether sulfone and polycarbonates and copolymers based on polymers from this group.
5. The permeation-barrier foil of claim 1 wherein the modulus of elasticity of the polymer is more than 2000 MPa.
6. The permeation-barrier foil of claim 1 wherein the water content of the polymer is less than 1% by weight.
7. The permeation-barrier foil as of claim 1 wherein the inorganic barrier layer is comprised of metal or metal compounds deposited in vacuo or under atmospheric pressure.
8. The permeation-barrier foil of claim 7, wherein the inorganic barrier layer is comprised of a compound selected from the group consisting of oxides, nitrides, OF hydronitrides of silicon, hydronitrides of boron, hydronitrides of aluminum, hydronitrides of zirconium, hydronitrides of hafnium, of tellurium, indium-tin oxide, and one of the abovementioned compounds doped with further elements.
9. The permeation-barrier foil of claim 1 wherein the at least partially organic compensation layer is an adhesive layer of which the water-vapor transmission is not more then 10 g/m2d and the oxygen transmission is not more than 100 ce/m2d bar.
10. A permeation-barrier foil composite comprising at least two permeation-barrier foils of claim 1 wherein the foils are laminated to one another via at least one further at least partially organic compensation layer, where the permeation-barrier foils can be identical or different in respect of their materials and their structure.
11. The permeation-barrier foil of claim 1 wherein the foil is coated with a removable adhesive mass ( 50).
12. The permeation-barrier foil of claim 1 wherein all or part of at least one side of the foil has at least one further functional layer, and/or a structuring, where the functional layer has been selected from the group consisting of thermally or electrically conductive layers, protective layers, adhesive layers, antireflective layers, and/or light-output or light-input layers, and combinations of these layers thereof.
13. The permeation-barrier foil of claim 12, wherein the adhesive of the adhesive layer is a pressure-sensitive adhesive or a hot-melt adhesive based on styrene block copolymers, on polyisobutylene, on polyisobutylene block copolymers, or on polyolefins.
14. The permeation-barrier foil as claimed in claim 1 wherein the difference between the refractive indices of polymer layer, inorganic barrier layer, and at least partially organic compensation layer is not more than 0.3.
15. The permeation-barrier foil of claim 1 wherein the thickness of the permeation-barrier foil is less than <10 μm, its water-vapor transmission is <10 −2 gm 2d, and its oxygen transmission is <10 −2 cm 3/m 2d bar.
16. The permeation-barrier foil composite of claim 10 wherein the thickness of the permeation-barrier foil is less than <20 μm, its water-vapor transmission is <10 −3 gm 2d, and its oxygen transmission is <10 −3 cm 3/m 2d bar.
17. A process for producing a permeation-barrier foil of claim 1 comprising the following steps:
(a) providing a polymer foil ( 10),
(b) coating of the polymer foil with an inorganic barrier layer ( 20) to produce a composite,
(c) coating of the composite with an at least partially organic compensation layer ( 30),
(d) covering the at least partially organic compensation layer with a further composite made of polymer foil ( 11) and inorganic barrier layer ( 21), wherein the polymer foil ( 10) in step (a), or the composite made of polymer foil ( 10) and inorganic barrier layer ( 20) in step (b), is provided on a temporary carrier ( 40) with an adhesive mass that can in turn be removed.
18. (canceled)