WO2023099349A1 - Besondere kunststofffolie für die herstellung von sicherheitsdokumenten - Google Patents
Besondere kunststofffolie für die herstellung von sicherheitsdokumenten Download PDFInfo
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- WO2023099349A1 WO2023099349A1 PCT/EP2022/083290 EP2022083290W WO2023099349A1 WO 2023099349 A1 WO2023099349 A1 WO 2023099349A1 EP 2022083290 W EP2022083290 W EP 2022083290W WO 2023099349 A1 WO2023099349 A1 WO 2023099349A1
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- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- GXFQBBOZTNQHMW-UHFFFAOYSA-N n'-(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine Chemical compound CC1(C)CC(NCCCCCCN)CC(C)(C)N1 GXFQBBOZTNQHMW-UHFFFAOYSA-N 0.000 description 1
- IXHMTDIIQNIVBN-UHFFFAOYSA-N n'-(2,2-dihydroxyethyl)oxamide Chemical compound NC(=O)C(=O)NCC(O)O IXHMTDIIQNIVBN-UHFFFAOYSA-N 0.000 description 1
- YIMHRDBSVCPJOV-UHFFFAOYSA-N n'-(2-ethoxyphenyl)-n-(2-ethylphenyl)oxamide Chemical compound CCOC1=CC=CC=C1NC(=O)C(=O)NC1=CC=CC=C1CC YIMHRDBSVCPJOV-UHFFFAOYSA-N 0.000 description 1
- GTIBACHAUHDNPH-UHFFFAOYSA-N n,n'-bis(benzylideneamino)oxamide Chemical compound C=1C=CC=CC=1C=NNC(=O)C(=O)NN=CC1=CC=CC=C1 GTIBACHAUHDNPH-UHFFFAOYSA-N 0.000 description 1
- ZJFPXDGPJMHQMW-UHFFFAOYSA-N n,n'-bis[3-(dimethylamino)propyl]oxamide Chemical compound CN(C)CCCNC(=O)C(=O)NCCCN(C)C ZJFPXDGPJMHQMW-UHFFFAOYSA-N 0.000 description 1
- FTWUXYZHDFCGSV-UHFFFAOYSA-N n,n'-diphenyloxamide Chemical compound C=1C=CC=CC=1NC(=O)C(=O)NC1=CC=CC=C1 FTWUXYZHDFCGSV-UHFFFAOYSA-N 0.000 description 1
- SHXOKQKTZJXHHR-UHFFFAOYSA-N n,n-diethyl-5-iminobenzo[a]phenoxazin-9-amine;hydrochloride Chemical compound [Cl-].C1=CC=C2C3=NC4=CC=C(N(CC)CC)C=C4OC3=CC(=[NH2+])C2=C1 SHXOKQKTZJXHHR-UHFFFAOYSA-N 0.000 description 1
- ATPJFEVFTNZHKL-UHFFFAOYSA-N n-(3-aminopropyl)-3-(3,5-ditert-butyl-4-hydroxyphenyl)propanamide Chemical compound CC(C)(C)C1=CC(CCC(=O)NCCCN)=CC(C(C)(C)C)=C1O ATPJFEVFTNZHKL-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 150000002816 nickel compounds Chemical class 0.000 description 1
- VOFUROIFQGPCGE-UHFFFAOYSA-N nile red Chemical compound C1=CC=C2C3=NC4=CC=C(N(CC)CC)C=C4OC3=CC(=O)C2=C1 VOFUROIFQGPCGE-UHFFFAOYSA-N 0.000 description 1
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- NTTIENRNNNJCHQ-UHFFFAOYSA-N octyl n-(3,5-ditert-butyl-4-hydroxyphenyl)carbamate Chemical compound CCCCCCCCOC(=O)NC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NTTIENRNNNJCHQ-UHFFFAOYSA-N 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- MPARYNQUYZOBJM-UHFFFAOYSA-N oxo(oxolutetiooxy)lutetium Chemical compound O=[Lu]O[Lu]=O MPARYNQUYZOBJM-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 description 1
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 description 1
- GFKJCVBFQRKZCJ-UHFFFAOYSA-N oxygen(2-);yttrium(3+);trisulfide Chemical compound [O-2].[O-2].[O-2].[S-2].[S-2].[S-2].[Y+3].[Y+3].[Y+3].[Y+3] GFKJCVBFQRKZCJ-UHFFFAOYSA-N 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical class OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000010094 polymer processing Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920006295 polythiol Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 229910003447 praseodymium oxide Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229960000948 quinine Drugs 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- WBHHMMIMDMUBKC-QJWNTBNXSA-M ricinoleate Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O WBHHMMIMDMUBKC-QJWNTBNXSA-M 0.000 description 1
- 229940066675 ricinoleate Drugs 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910001954 samarium oxide Inorganic materials 0.000 description 1
- 229940075630 samarium oxide Drugs 0.000 description 1
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- PWEBUXCTKOWPCW-UHFFFAOYSA-N squaric acid Chemical compound OC1=C(O)C(=O)C1=O PWEBUXCTKOWPCW-UHFFFAOYSA-N 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000001629 stilbenes Chemical class 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000003444 succinic acids Chemical class 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 229910003451 terbium oxide Inorganic materials 0.000 description 1
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- HQHCYKULIHKCEB-UHFFFAOYSA-N tetradecanedioic acid Natural products OC(=O)CCCCCCCCCCCCC(O)=O HQHCYKULIHKCEB-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000007651 thermal printing Methods 0.000 description 1
- 229920006344 thermoplastic copolyester Polymers 0.000 description 1
- 229920006348 thermoplastic styrenic block copolymer Polymers 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 229910003454 ytterbium oxide Inorganic materials 0.000 description 1
- 229940075624 ytterbium oxide Drugs 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2274/00—Thermoplastic elastomer material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/422—Luminescent, fluorescent, phosphorescent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2554/00—Paper of special types, e.g. banknotes
Definitions
- the invention relates to a security document (A) with at least two polymer films (A1) and (A2), optionally further polymer films (A3), a security feature (A4), optionally fibers (A5), with at least the two outer sides of the security document being formed by a polymer that contains or consists of a thermoplastic elastomer (TPE).
- TPE thermoplastic elastomer
- Print substrates for documents of value such as banknotes are subject to constant further development in order to be able to meet the constantly growing needs for durability, efficiency, protection against counterfeiting and sustainability.
- security documents in particular banknotes, made of paper are increasingly being replaced by banknotes made of polymer films.
- Banknotes based on plastic films contribute to the sustainability of the means of payment because the service life of the banknotes or other security documents can be increased by a factor of 2 to 3 and the reusability of the material is increased. This means that significantly less energy, material and natural resources are required to produce banknotes and other security documents.
- significant cost savings can be achieved through the longer service life of the banknotes and other security documents.
- banknotes were introduced in Australia from 1988 onwards, in which a polymer film serves as the printing substrate.
- Polymer banknotes made from BOPP have some important disadvantages compared to banknotes made from security paper in terms of protection against counterfeiting.
- features that are used in paper substrates and recognized by consumers such as mottled fibers (these are also buried in postage stamps to protect against counterfeiting and can be seen under the UV lamp as small, red luminous fibers), planchettes (introduced colored discs, similar to mottled fibers).
- Planchettes can also be metallic or transparent; they can also fluoresce under UV light or consist of iridescent material that shows color changes.
- BOPP is a polymer that is used in countless products of everyday use such as packaging films, transparent films, sealing films, etc. of similar quality and is therefore easily accessible to potential counterfeiters for imitations Available.
- the fact that the substrate used is a stretched film proves to be disadvantageous in particular when the substrate is exposed to elevated temperatures, which can certainly occur in everyday use.
- Biaxially stretched polypropylene exhibits very high shrinkage at higher temperatures. So e.g. for a polymer bank note made of biaxially stretched polypropylene and a temperature above approx. 100° C., a shrinkage of the bank note in length and width of up to 20% of the original length or width value was found. In addition, these polymer banknotes shrink to different extents in length and width, which leads to distortion of the banknote and thus of the printed image that is usually applied.
- a further disadvantage of the previously known polymer banknotes, in particular the polymer banknotes based on biaxially stretched polyolefins is that the shrinkages described above are not reversible. In the vicinity of a hot stove or under a halogen lamp, it is quite possible for such a polymer banknote to irreversibly shrink.
- One object of the invention was to further develop a generic method and a generic polymer printing substrate, for example in the form of a security element such as a banknote or a passport, in such a way that the disadvantages of the prior art are at least partially eliminated, in particular the protection against forgery of the increase security document.
- one object of the invention was to provide a security document that meets the current requirements for durability, efficiency, in particular resource efficiency, protection against counterfeiting and sustainability, and in particular if possible none of these requirements are met with a lower quality than can be inferred from the current state of the art .
- a further object of the invention was to provide an optimized, in particular more cost-effective, method for a security document with the advantages mentioned.
- a first aspect of the invention is a security document (A) with a first outside (AS1) and a second outside (AS2) opposite the first outside (AS1), containing at least:
- optional fibers in particular structural fibers, with at least one of the polymer films selected from the group consisting of the first polymer film (A1), the second polymer film (A2), optionally the at least one further polymer film (A3) or a combination of at least two of them contains a thermoplastic elastomer (TPE) or consists of at least one TPE and forms at least one of the outer sides (AS1) or (AS2).
- TPE thermoplastic elastomer
- the security document can take any form that one skilled in the art would select for a security document.
- the security document preferably has an areal extent in the form of a square, a rectangle, a circle, an oval or a polyhedron, particularly preferably in the form of a square or a rectangle.
- the security document preferably has a thickness in a range from 40 to 250 ⁇ m, more preferably in a range from 50 to 200 ⁇ m, more preferably in a range from 60 to 150 ⁇ m, more preferably in a range from 70 to 100 ⁇ m.
- the aspect ratio between the thickness of the security document and its area is preferably in a range from 1:100000 to 1:1000, more preferably in a range from 1:50000 to 1:500, particularly preferably in a range from 1:10000 to 1 : 100.
- the first polymer film (Al) preferably has a thickness in a range from 10 to 100 ⁇ m, more preferably in a range from 12 to 90 ⁇ m, more preferably in a range from 15 to 50 ⁇ m, more preferably in a range from 20 to 40 pm on.
- the second polymer film (A2) preferably has a thickness in a range from 20 to 150 ⁇ m, more preferably in a range from 30 to 100 ⁇ m, more preferably in a range from 40 to 90 ⁇ m, more preferably in a range from 50 to 80 pm on.
- the further polymer film (A3) preferably has a thickness in a range from 10 to 100 ⁇ m, more preferably in a range from 12 to 90 ⁇ m, more preferably in a range from 15 to 50 ⁇ m, more preferably in a range from 20 to 40 pm on.
- At least one polymer film selected from the group consisting of the first polymer film (A1), (A2) and (A3) each preferably has a length in a range from 1 to 100 cm, more preferably in a range from 2 to 80 cm, particularly preferably in a range of 5 to 50 cm.
- At least one polymer film selected from the group consisting of the first polymer film (A1), (A2) and (A3) each preferably has a width in a range from 1 to 100 cm, more preferably in a range from 2 to 80 cm, particularly preferably in a range of 5 to 50 cm.
- the polymer films (A1) and (A2) and preferably also (A3) are preferably congruent in their two-dimensional direction of extension.
- the security document (A) can be any security document that a person skilled in the art would use to introduce a security feature.
- the security document (A) is preferably selected from the group consisting of a banknote, a birth certificate, a postage stamp, a tax stamp, a visa page of a passport, a hinge for the data page of a passport, a carrier layer of an electromagnetic shielding in the passport, or a combination from at least two of them.
- Both outer sides (AS1) and (AS2) preferably contain a TPE. Both outer sides (AS1) and (AS2) preferably consist of a TPE. Both outer sides (AS1) and (AS2) are preferably each formed by a polymer film (A1). Furthermore, the polymer film (A2) preferably forms the core of an at least three-layer film structure in which the outer sides (AS1) and (AS2) are each formed by a polymer film (A1).
- the bond strength is then higher than the breaking stress of the respective polymer film if one of the polymer films (A1), (A2) or (A3) cannot be separated from the respective adjacent polymer film without leaving a residue.
- the polymer films (A1), (A2) and optionally (A3) preferably have an adhesive force to their adjacent polymer film of at least 2 N/cm, more preferably at least 3 N/cm, particularly preferably at least 5 N/cm.
- the polymer films (A1), (A2) and optionally (A3) preferably have an adhesive force to their adjacent polymer film in a range from 2 to 20 N/cm, more preferably from at least 3 N/cm to 15 N/cm, particularly preferably from at least 5 N/cm to 10 N/cm, measured according to ASTM D903-1998 at a pull angle of 180°.
- the fibers (A5) are preferably structural fibers.
- a structural fiber is understood to mean a fiber that reinforces the structure of the surrounding material, in particular in terms of properties such as brittleness and flexibility.
- the material of the fibers (A5) is preferably selected from the group consisting of a glass fiber, a carbon fiber, a silicone fiber, a mineral fiber, a natural fiber such as hemp fiber or bamboo fiber, or a combination of at least two of these.
- the security document (A) preferably contains the fibers (A5) in an amount in a range from 0.1 to 10% by weight, more preferably in a range from 0.2 to 8% by weight, particularly preferably in a range from 0.5 to 5% by weight, based on the total weight of the security document (A).
- the first polymer film (A1) or the second polymer film (A2) independently of one another has the fiber (A5) in an amount in a range from 0.1 to 15% by weight, more preferably in a range from 0.2 to 10 % by weight, particularly preferably in a range from 0.5 to 8% by weight, based on the total weight of the security document (A).
- the security document (A) preferably has an embossing.
- the embossing preferably represents a security feature (A4).
- At least part of the at least one security feature (A4) is preferably embossed (P) in one of the polymer films (A1) containing or consisting of TPE, optionally (A2) or (A3) brought in.
- the embossing (P) preferably has a resolution of at least 1500 dpi, preferably in a range from 1500 to 2500 dpi.
- the lines of the embossing (P) preferably have a width in a range from 100 to 1000 ⁇ m, particularly preferably from 110 to 500 ⁇ m, very particularly preferably from 120 to 200 ⁇ m.
- the lines of the embossing (P) preferably have a depth in a range from 50 to 500 ⁇ m, particularly preferably from 55 to 300 ⁇ m, very particularly preferably from 60 to 100 ⁇ m.
- the embossing (P) is preferably introduced into the outside (AS1) or (AS2) of the security document (A), so that it can be seen and felt from the outside.
- the embossing (P) occurs in its contour preferably to the outside.
- the embossing (P) can also be introduced on an inside, for example on one of the insides of a passport.
- the embossing (P) should be applied in such a way that the viewer can recognize it when looking at the security document (A) and preferably also feel it
- the TPE has a hardness in a range from 45 Shore D to 95 Shore D, preferably in a range from 50 Shore D to 85 Shore D.
- the polymer films (A1) on the outsides (AS1) and (AS2) of the security document (A) preferably have a TPE with a hardness in a range from 45 Shore D to 85 Shore D, preferably in a range from 50 Shore D to 80 Shore D, very particularly preferably from 55 Shore D to 70 Shore D.
- the at least one polymer film (A2) which is preferably located in the core of the security document (A) and is preferably surrounded by at least one polymer film (A1) on each side, preferably has a TPE with a hardness in a range from 55 Shore D to 95 Shore D, preferably in a range from 65 Shore D to 90 Shore D, very particularly preferably from 70 Shore D to 85 Shore D.
- the TPE is selected from the group consisting of a copolyester elastomer (TPC), a thermoplastic polyamide elastomer (TPA), in particular a polyether block amide (PEBA), an olefin-based thermoplastic elastomer (TPO) , in particular PP/EPDM, a thermoplastic polyurethane (TPU), a thermoplastic polycarbonate (PC), a polyethylene terephthalate (PET), in particular a polyethylene terephthalate glycol (PETG), a thermoplastic styrene block copolymer (TPS), in particular styrene-butadiene block Copolymer (SBC), or a mixture of at least two thereof, includes.
- TPE are elastomers that behave like classic elastomers at room temperature, but become deformable when heated. These are mostly copolymers consisting of a soft elastomer and a hard thermoplastic component
- Suitable copolyesterelastomers TPC (segmented polyesterelastomers), hereinafter also simply referred to as copolyesters, are built up, for example, from a large number of recurring, short-chain ester units and long-chain ester units which are combined by ester bonds, with the short-chain ester units making up about 15-80% by weight of the copolyester and have the formula (I). in which
- R is a divalent radical of a dicarboxylic acid having a molecular weight of less than about 350 g/mol
- D is a divalent residue of an organic diol having a molecular weight below about 250 g/mol; the long-chain ester units make up about 20 to 85% by weight, preferably 30 to 70% by weight, more preferably 35 to 60% by weight, of the copolyester and preferably have the formula II: in which
- R is a divalent radical of a dicarboxylic acid having a molecular weight of less than about 350 g/mol
- G is a divalent residue of a long chain glycol having an average molecular weight of about 350 to 6000 g/mol.
- copolyesters which can be used can be prepared by polymerizing together a) one or more dicarboxylic acids, b) one or more linear, long-chain glycols and c) one or more low molecular weight diols.
- the dicarboxylic acids for the production of the copolyester are the aromatic acids with 8-16 carbon atoms, in particular phenylenedicarboxylic acids such as phthalic, terephthalic and isophthalic acid.
- the low molecular weight diols for the reaction to form the short chain ester moieties of the copolyesters belong to the classes of acyclic, alicyclic and aromatic dihydroxy compounds.
- the preferred diols have 2-15 carbon atoms, such as ethylene, propylene, tetramethylene, isobutylene, pentamethylene, 2,2-dimethyltrimethylene, hexamethylene and decamethylene glycols, dihydroxycyclohexane, cyclohexanedimethanol, resorcinol, hydroquinone and the like.
- Bisphenols for the present purpose include bis(p-hydroxy)diphenyl, bis(p-hydroxyphenyl)methane, bis(p-hydroxyphenyl)ethane and bis(p-hydroxyphenyl)propane.
- the long chain glycols used to make the soft segments of the copolyesters preferably have molecular weights of about 600 to 3000 g/mol. They include poly(alkylene ether) glycols in which the alkylene groups have 2-9 carbon atoms. Glycol esters of poly(alkylene oxide) dicarboxylic acids or polyester glycols can also be used as the long-chain glycol.
- the long-chain glycols also include polyformals, which are obtained by reacting formaldehyde with glycols.
- Polythioether glycols are also suitable. Polybutadiene and polyisoprene glycols, interpolymers thereof, and saturated hydrogenation products of these materials make satisfactory long chain polymeric glycols.
- thermoplastic polyamide elastomer can be any TPA that one skilled in the art would select for this purpose.
- the TPA is preferably a polyether block amide (PEBA).
- PEBAs are, for example, those that consist of polymer chains that are built up from repeating units corresponding to the formula (III). in which
- A is the polyamide chain derived from a polyamide having 2 carboxyl end groups by loss of the latter and
- B is the polyoxyalkylene glycol chain derived from an OH-terminated polyoxyalkylene glycol by loss of the latter and n is the number of units forming the polymer chain.
- the end groups are preferably OH groups or residues of compounds which terminate the polymerization.
- the dicarboxylic acid polyamides with terminal carboxyl groups are obtained in a known manner, for example by polycondensation of one or more lactams and/or one or more amino acids, also by polycondensation of a dicarboxylic acid with a diamine, in each case in the presence of an excess of an organic dicarboxylic acid, preferably with terminal carboxyl groups .
- These carboxylic acids become part of the polyamide chain during the polycondensation and accumulate in particular at the ends of the chain, resulting in a p-dicarboxylic acid polyamide.
- the dicarboxylic acid acts as a chain terminating agent, which is why it is also used in excess.
- the polyamide can be obtained starting from lactams and/or amino acids with a hydrocarbon chain consisting of 4-14 carbon atoms, such as caprolactam, oenantholactam, dodecalactam, undecanolactam, decanolactam, 11-aminoundecano or 12-aminododecanoic acid.
- polyamides formed by polycondensation of a dicarboxylic acid with a diamine are the condensation products of hexamethylenediamine with adipic, azelaic, sebacic and 1,12-dodecanedioic acid, and the condensation products of nonamethylenediamine and adipic acid, preferably those Representatives thereof with a hardness in the range from 45 to 95 Shore D.
- the dicarboxylic acids used for the synthesis of the polyamide are those with 4-20 carbon atoms, in particular alkanedioic acids such as succinic, adipic, cork, azelaic -, sebacic, undecanedioic or dodecanedioic acid, also cycloaliphatic or aromatic dicarboxylic acid, such as terephthalic or isphthalic or cyclohexane-1,4-dicarboxylic acid.
- the polyoxyalkylene glycols having terminal OH groups are unbranched or branched and have an alkylene radical having at least 2 carbon atoms. These are preferably polyoxyethylene, polyoxypropylene and polyoxytetramethylene glycol, and copolymers thereof.
- the average molecular weight of these OH group-terminated polyoxyalkylene glycols can vary within a wide range; it is advantageously between 100 and 6000 g/mol, in particular between 200 and 3000 g/mol.
- the proportion by weight of the polyoxyalkylene glycol based on the total weight of the polyoxyalkylene glycol and dicarboxylic acid polyamide used to prepare the PEBA polymer is 5-85% by weight, preferably 10-50% by weight.
- PEBA polymers Processes for the synthesis of such PEBA polymers are known from FR-PS 7 418 913, DE-OS 28 02 989, DEOS 28 37 687, DE-OS 25 23 991, EP-A 095 893, DE-OS 27 12 987 and DEOS 27 16 004 known.
- polyamide-forming compounds from the group of -aminocarboxylic acids or lactams with at least 10 carbon atoms
- At least one organic dicarboxylic acid in a weight ratio of 1:(2+3) between 30:70 and 98:2, wherein in (2+3) hydroxyl and carbonyl groups are present in equivalent amounts, in the presence of 2 to 30 % by weight of water, based on the group 1 polyamide-forming compounds, under the autogenous pressure that occurs Temperatures between 23°C and 30°C and then, after removal of the water, further treated in the absence of oxygen at normal pressure or under reduced pressure at 250 to 280°C.
- the TPO can be any TPO that one skilled in the art would select for a security document (A) according to the invention.
- TPO are KEYFLEX® type thermoplastic olefins from LG Chemicals (Europe), such as KEYFFLEX® TP-1045D.
- the TPO is a PP/EPDM.
- these types of TPO are SantopreneTM from Advanced Elastomer Systems Ltd. a subsidiary of ExxonMobile Chemical Europe (Belgium), Saxomer® TPE-0 from PCW GmbH (Germany), Elastron TPO from Elastron (Turkey/Germany), preferably those representatives thereof with a hardness in the range from 45 to 95 Shore D
- thermoplastic polyurethane can be any TPU that one skilled in the art would select for the security document (A) of the present invention.
- thermoplastically processable polyurethane polymers is one that involves reacting the components
- component (A) one or more essentially linear polyols, the total amount of component (A) having an average molecular weight in the range from 500 g/mol to 5000 g/mol,
- thermoplastically processable polyurethane Reacting the OH-functional prepolymer with the remainder of component (B) and optionally the remainder of component (D), component (E) and/or component (F) to obtain the thermoplastically processable polyurethane, with a molar ratio of component (B) to the sum of component (A) and component (C) is in the range of 0.9:1.0 to 1.2:1.0.
- the preferred method makes it possible to produce thermoplastic polyurethanes with good processing properties and good mechanical properties over a hardness range from about 45 Shore D to about 95 Shore D, while achieving good coupling of the hard and soft phases of the TPU, resulting in an optimal high molecular weight and thus leads to very good mechanical properties of the manufactured workpieces.
- the word “a” in connection with countable variables is only to be understood as a numeral if this is expressly stated (e.g. by the expression “exactly a”). If, for example, “a polyol” is mentioned below, the word “a” is to be understood only as an indefinite article and not as a numeral, so it also includes an embodiment that contains a mixture of at least two polyols.
- substantially in this context means that at least 95 mol%, preferably at least 98 mol%, more preferably at least 99 mol% and even more preferably at least 99.5 mol%, even more preferably at least 99.8 mol% % and most preferably 100 mole % of the total moles of component A) polyols are linear polyols.
- thermoplastically processable polyurethanes can be adjusted from 45 Shore D to 95 Shore D by selecting the molar ratio of component A) to component C).
- the amounts of the reaction components for the NCO-functional prepolymer formation in step 1) are chosen such that the NCO/OH ratio of polyisocyanate to polyol in step 1) is 1.1:1 to 5.0:1.
- the components are intimately mixed and the NCO prepolymer reaction in step 1) is preferably brought to completion (based on the polyol component).
- At least component (C) is then mixed in as a chain extender (step 2) to form an essentially OH-functional prepolymer.
- step 3 the remainder of component (B) is added, maintaining an NCO/OH ratio of 0.9:1 to 1.2:1.
- the same component (B) is preferably used in step 3) as in step 1).
- the molar ratio of NCO-functional prepolymer to component (C) is preferably less than 1.0. Component (C) is thus present in a molar excess.
- linear polyols which are known to a person skilled in the art and have an average molecular weight of more than 500 g/mol are suitable as component (A).
- the following linear polyols are particularly suitable as component (A): a) polyester polyols, b) polyether polyols, c) polyether esters, d) polycarbonate polyols, e) polyether carbonates or mixtures of at least two of the polyols a) to e).
- Suitable polyester diols a) can be prepared, for example, from dicarboxylic acids having 2 to 12 carbon atoms, preferably 2 to 6 carbon atoms, and polyhydric alcohols.
- dicarboxylic acids examples include: aliphatic dicarboxylic acids such as succinic acid, glutaric acid, adipic acid, suberic acid, azelaic acid and sebacic acid, dodecanedioic acid and aromatic dicarboxylic acids such as phthalic acid, isophthalic acid and terephthalic acid.
- the dicarboxylic acids can be used individually or as mixtures, for example in the form of a mixture of succinic, glutaric and adipic acids.
- polyester polyols it may be advantageous to use the corresponding dicarboxylic acid derivatives, such as carboxylic acid diesters having 1 to 4 carbon atoms in the alcohol radical, carboxylic anhydrides or carboxylic acid chlorides, instead of the dicarboxylic acids.
- dicarboxylic acid derivatives such as carboxylic acid diesters having 1 to 4 carbon atoms in the alcohol radical, carboxylic anhydrides or carboxylic acid chlorides, instead of the dicarboxylic acids.
- polyhydric alcohols examples include glycols having 2 to 12, preferably 2 to 6 carbon atoms, such as ethylene glycol, diethylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,10-decanediol, 1,12 -Dodecanediol, 2,2-dimethyl-1,3-propanediol, 1,3-propanediol, 1,2-propanediol and dipropylene glycol.
- the polyhydric alcohols can be used alone or, if appropriate, as a mixture with one another.
- polyester polyols are ethanediol polyadipate, 1,4-butanediol polyadipate, 1,6-hexanediol polyadipate, ethanediol-1,4-butanediol polyadipate, 1,6-hexanediol neopentyl glycol polyadipate, 1,6-hexanediol 1,4-butanediol polyadipate and polycaprolactone used.
- the polyester diols have molecular weights in the range from 500 to 5000 g/mol, preferably in the range from 600 to 3500 g/mol and particularly preferably in the range from 800 to 3000 g/mol. They can be used individually or in the form of mixtures with one another.
- Suitable polyether diols b) can be prepared by reacting one or more alkylene oxides having 2 to 4 carbon atoms in the alkylene radical with a starter molecule which contains two bonded active hydrogen atoms.
- alkylene oxides are: ethylene oxide, 1,2-propylene oxide, epichlorohydrin and 1,2-butylene oxide and 2,3-butylene oxide. Ethylene oxide, propylene oxide and mixtures of 1,2-propylene oxide and ethylene oxide are preferably used.
- the alkylene oxides can be used individually, alternately one after the other, or as mixtures.
- starter molecules are: water, amino alcohols such as N-alkyldiethanolamines, for example N-methyldiethanolamine, and diols such as ethylene glycol, 1,3-propylene glycol, 1,4-butanediol and 1,6-hexanediol . If appropriate, mixtures of starter molecules can also be used.
- Suitable polyether diols are also the hydroxyl-containing polymerization products of tetrahydrofuran. It is also possible to use trifunctional polyethers in proportions of 0 to 30% by weight, based on the bifunctional polyethers, but at most in such an amount that a product which can be processed as a thermoplastic is formed.
- Suitable polyether diols have a number-average molecular weight M n of 500 to 5000 g/mol, preferably 750 to 5000 g/mol and most preferably 900 to 4200 g/mol. They can be used both individually and in the form of mixtures with one another.
- Suitable polyether esters c) can be prepared, for example, by reacting short-chain polyether diols, such as. B. polytetrahydrofurans with molecular weights of 250 to 1000 g / mol with organic dicarboxylic acids such as succinic acid or adipic acid.
- the polyetherester diols have molecular weights of 600 to 5000 g/mol, preferably 700 to 4000 g/mol and particularly preferably 800 to 3000 g/mol. They can be used individually or in the form of mixtures with one another.
- Suitable Polycarbonatdioie d can be prepared, for example, by reacting short-chain diols, such as. B. 1,4-butanediol or 1,6-hexanediol with diphenyl carbonate or dimethyl carbonate with the aid of catalysts and elimination of phenol or methanol.
- the polycarbonate diols have a number-average molecular weight of 500 to 5000 g/mol, preferably 750 to 5000 g/mol and particularly preferably 1000 to 4500 g/mol.
- Suitable Polyethercarbonatdioie e can be prepared, for example, by reacting short-chain polyether diols, such as. B. polytetrahydrofurans with molecular weights of 250 to 1000 g / mol with diphenyl or dimethyl carbonate with the aid of catalysts and elimination of phenol or methanol.
- Polyethercarbonatdioie can be prepared by copolymerization of alkylene oxides, such as. B. ethylene oxide or propylene oxide or mixtures thereof, with carbon dioxide with the aid of suitable catalysts, such as. B. double metal cyanide catalysts.
- the polyether carbonate diols have a number-average molecular weight of 500 to 8000 g/mol, preferably 750 to 6000 g/mol and particularly preferably 1000 to 4500 g/mol.
- Preferred organic polyisocyanates of component (B) used in steps 1) and 3) are aliphatic, cycloaliphatic, araliphatic, heterocyclic and aromatic polyisocyanates, as described in Justus Eiebigs Annalen der Chemie, 562, pp. 75-136 become.
- aliphatic diisocyanates such as 1,6-hexamethylene diisocyanate
- cycloaliphatic diisocyanates such as isophorone diisocyanate, 1,4-cyclohexane diisocyanate, 1-methyl-2,4-cyclohexane diisocyanate and 1-methyl-2,6-cyclohexane diisocyanate and the corresponding isomer mixtures
- 4,4'-dicyclohexylmethane diisocyanate 2,4'-dicyclohexylmethane diisocyanate and 2,2'-dicyclohexylmethane diisocyanate and the corresponding isomer mixtures
- aromatic diisocyanates such as 2,4-tolylene diisocyanate, mixtures of 2,4-tolylene diisocyanate and 2,6 - Toluylene diisocyanate, 4,4'-diphenylmethane diisocyanate, 2,4'-diphenyl
- 1,6-hexamethylene diisocyanate isophorone diisocyanate, 4,4'-dicyclohexyl- Methane diisocyanate, diphenylmethane diisocyanate isomer mixtures with a 4,4'-diphenylmethane diisocyanate content of >96% by weight and in particular 4,4'-diphenylmethane diisocyanate and 1,5-naphthylene diisocyanate.
- the diisocyanates mentioned can be used individually or in the form of mixtures with one another.
- polyisocyanates for example triphenylmethane-4,4',4"-triisocyanate or polyphenylpolymethylene polyisocyanates.
- 1,6-Hexamethylene diisocyanate is preferably used as component (B).
- Suitable diols are preferably aliphatic diols having 2 to 14 carbon atoms, such as ethanediol, 1,4-butanediol, 1,6-hexanediol, 1,8-octanediol, 1,10-decanediol, 1,12-dodecanediol, diethylene glycol and dipropylene glycol.
- diesters of terephthalic acid with glycols having 2 to 4 carbon atoms such as terephthalic acid-bis-ethylene glycol or terephthalic acid-bis-1,4-butanediol, hydroxyalkylene ethers of hydroquinone, such as e.g. 1,4-di-(hydroxyethyl)-hydroquinone, are also suitable and ethoxylated bisphenols.
- Particular preference is given to using ethanediol, 1,4-butanediol, 1,6-hexanediol and 1,4-di(hydroxyethyl)hydroquinone as short-chain diols.
- Mixtures of the aforementioned chain extenders can also be used.
- small amounts of diamines and/or triamines can also be added.
- One or more diols are preferably used as component (C), selected from the group consisting of 1,2-ethanediol, 1,4-butanediol, 1,6-hexanediol, 1,4-di-(beta-hydroxyethyl)hydroquinone or a mixture of at least two of these is used, 1,2-ethanediol, 1,4-butanediol or mixtures thereof are preferably used as component (C), and 1,2-ethanediol is particularly preferably used as component (C).
- catalysts (D) The usual catalysts known from polyurethane chemistry can be used as catalysts (D).
- Suitable catalysts are known and customary tertiary amines, such as triethylamine, dimethylcyclohexylamine, N-methylmorpholine, N,N'-dimethylpiperazine, 2-(dimethylaminoethoxy)ethanol, diazabicyclo[2.2.2]octane, and the like and in particular organic metal compounds such as titanic acid esters, iron compounds, bismuth compounds, tin compounds, eg tin diacetate, tin dioctoate, tin dilaurate or the tin dialkyl salts of aliphatic carboxylic acids such as dibutyltin diacetate, dibutyltin dilaurate or the like.
- Preferred catalysts are organic metal compounds, in particular titanic acid esters, iron or tin compounds. Dibutyltin dilaurate, tin dioctoate and titanic acid esters are very particularly preferred. Further details and preferred embodiments of the production process for suitable TPUs can be found in EP 3 838 961 A.
- the TPE preferably has a thermoplastic polyurethane (TPU), preferably produced by the method described above, in a range from 10 to 100% by weight, more preferably in a range from 20 to 95% by weight, more preferably in a range from 30 to 90% by weight, particularly preferably in a range from 40 to 85% by weight, based on the total weight of the TPE.
- TPU thermoplastic polyurethane
- the polymer film (A1) preferably has a TPU with a Shore D hardness in a range from 45 to 85 Shore D, preferably in a range from 50 to 80 Shore D, very particularly preferably from 55 to 70 Shore D.
- the polymer film (A1) preferably contains the TPU, preferably produced by the method described above, in a range from 10 to 100% by weight, more preferably in a range from 20 to 95% by weight, based on the total weight of the polymer film (Al), up.
- the polymer film (A2) preferably has a TPU with a hardness in a range from 55 to 95 Shore D, preferably in a range from 65 to 90 Shore D, very particularly preferably from 70 to 85 Shore D.
- the polymer film (A2) preferably contains the TPU, preferably produced by the process described above, in a range from 10 to 100% by weight, more preferably in a range from 20 to 95% by weight, based on the total weight of the polymer film (A2), on
- TPU types that are suitable for both the polymer film (A1) and the polymer film (A2) are: Estane® from Lubrizol, Elastollan® from BASF AG (Germany), Desmopan® from Covestro Germany AG (Germany), preferably those with a hardness of 45 to 95 Shore D.
- thermoplastic polycarbonate can be any elastomeric PC that one skilled in the art would select.
- the PC is preferably produced according to the polycarbonates described in WO 2018/11436 A1, in particular the polycarbonate blends as described on page 3, last paragraph to page 16, third paragraph.
- the polyethylene terephthalate (PET) can be any PET that a person skilled in the art would use for the security document (A) according to the invention.
- the PET is preferably a polyethylene terephthalate glycol (PETG), for example Eastar® from EASTMAN Chemical GmbH (Germany).
- thermoplastic styrenic block copolymer can be any styrenic block copolymer that one skilled in the art would employ for the security document (A) of the present invention.
- Preferred TPS are styrene-ethylene-butylene-styrene block copolymer (SEBS), styrene-ethylene/propylene-styrene block copolymer (SEPS), styrene-isoprene-styrene block copolymer (SIS), styrene-ethylene-ethylene-butadiene-styrene (SEEPS) and methyl methacrylate butadiene styrene (MBS).
- SEBS styrene-ethylene-butylene-styrene block copolymer
- SEPS styrene-ethylene/propylene-styrene block copolymer
- SIS styrene-isoprene-sty
- SBS grades are Styroflex® from BASF AG (Germany) and Thermolast® from Kraiburg Holding (Germany).
- SBES types are from Saxomer® TPE-S from PCW GmbH (Germany), preferably those representatives thereof with a hardness of 45 to 95 Shore D.
- the TPE preferably contains the additives customary for plastics.
- Customary additives are, for example, lubricants such as fatty acid esters, their metal soaps, fatty acid amides and silicone compounds, antiblocking agents, inhibitors, stabilizers against hydrolysis, light, heat and discoloration, flame retardants, dyes, pigments, inorganic or organic fillers and reinforcing agents.
- the outer sides (AS1) and (AS2) of the security document (A) consist of a polymer film (A1), (A2) or (A3) which contains or consists of a TPU.
- the first polymer film (A1) preferably forms the first outside (AS1) and preferably also the outside (AS2) of the security document (A).
- the second polymer film (A2) preferably forms the core of the security document (A).
- the polymer films (A1), (A2) and optionally (A3) consist exclusively of polymers. All polymer films (A1), (A2) and optionally (A3) preferably consist of a TPE. All polymer films (A1), (A2) and optionally (A3) very particularly preferably consist of a TPU selected independently of one another.
- the complete security document (A) preferably consists of polymers, with the exception of the security feature (A4) and the fibers (A5).
- At least one of the polymer films selected from the group consisting of the first polymer film (A1), the second polymer film (A2) or both contains the TPE in an amount in a range from 50 to 100% by weight. %, preferably from 60 to 90% by weight, particularly preferably from 70 to 80% by weight, based on the total weight of the respective polymer film (A1) or (A2).
- the polymer film (A1) particularly preferably consists of a TPE.
- the polymer film (A2) particularly preferably consists of a TPE.
- the security document (A) contains at least one of the polymer films selected from the group consisting of the first polymer film (A1), the second polymer film (A2) or both polymer films (A1) and (A2), a polymer selected from the group consisting of a thermoplastic polyurethane (TPU), a copolyester or a mixture of at least two of these or mixtures of TPU and other TPEs in an amount in a range from 50 to 100% by weight, preferably from 60 to 90% by weight, particularly preferably from 70 to 80% by weight, based on the total weight of the particular polymer film (A1) or (A2).
- TPU thermoplastic polyurethane
- the security document (A) has at least one further polymer film (A3), the at least one further polymer film (A3) the TPE in an amount in a range from 50 to 100% by weight, preferably from 60 to 90% by weight, particularly preferably from 70 to 80% by weight, based on the total weight of the respective polymer film (A3 ) contains.
- the at least one further polymer film (A3) particularly preferably consists of a TPE.
- the at least one polymer film (A3) very particularly preferably consists of a TPU.
- the at least one further polymer film (A3) preferably has the same composition as the polymer film (A1) or (A2). All three polymer films (A1), (A2) and (A3) very particularly preferably have a TPE of at least 50% by weight, preferably at least 80% by weight, particularly preferably 100% by weight, with the TPE preferably one of the aforementioned TPEs, particularly preferably at least one TPU.
- the further polymer film (A3) particularly preferably has the same composition as the first polymer film (A1).
- the security feature (A4) is selected from the group consisting of a hologram, a print, a security thread, a fluorescent fiber, a dye, a security pigment, carbon black, metallic or non-metallic microparticles or nanoparticles , magnetic particles, an embossing or a combination of at least two of these.
- the security feature (A4) is preferably arranged in or on the second polymer layer (A2) or the at least one further polymer layer (A3).
- the security feature (A4) is preferably embedded in the security document (A) in such a way that it cannot be accessed from outside the security document (A).
- the security feature (A4) is preferably embedded in the security document (A) in such a way that it can only be accessed by destroying the security document (A).
- the hologram can be any holographic structure known to those skilled in the art.
- the hologram is preferably embossed in one of the polymer films (A1), (A2) or optionally (A3).
- the hologram can also be small plates, each of which has a hologram and was added to the polymer films (A1), (A2) or optionally (A3) during their production.
- the pressure can be any type of pressure known to those skilled in the art.
- Printing in or on one of the polymer films (A1), (A2) or optionally (A3) is preferably selected from letterpress, for example flexographic printing, planographic printing, for example offset printing, gravure printing and through-printing.
- the print is preferably selected from the group consisting of screen printing, inkjet printing (also called ink-jet printing), pad printing, laser printing, pad printing, stamp printing, embossing, distorted printing and non-impact printing, such as direct thermal printing, thermal transfer printing, 3D printing, Thermal sublimation printing, laser inscription or a combination of at least two of these.
- a security feature (A4) is preferably designed in the form of an embossing.
- the security document (A) has at least one security feature (A4) in the form of an embossing (P) and also at least one further security feature (A4).
- the embossing (P) can be of any shape that one skilled in the art would choose.
- the embossing (P) preferably has a shape selected from the group consisting of a logo, a lettering, like a name.
- the embossing (P) preferably has a shape that serves to individualize or personalize the security document (A).
- the depth of the embossing (P) is preferably in a range from 50 to 500 ⁇ m, particularly preferably from 55 to 300 ⁇ m, very particularly preferably from 60 to 100 ⁇ m.
- the outside (AS1) or (AS2) into which the embossing (P) was introduced is protected by a further layer.
- the security thread can be any thread that one skilled in the art would use to secure a document.
- the security thread is preferably a thread which is preferably made up of polymers or natural raw materials such as cotton, wool, hemp or similar natural fibers and has UV fluorescent materials.
- the security thread preferably has a structure or a color, in particular under UV light, which can be easily recognized by the viewer without other data, in particular informative data, which the security document has being made unrecognizable.
- the security document (A) preferably has the security thread in an amount in a range from 0.1 to 10% by weight, more preferably in a range from 0.2 to 8% by weight, particularly preferably in a range from 0. 5 to 5% by weight, based on the total weight of the security document (A).
- the fluorescent fiber can be any fiber that can be doped with a fluorescent dye.
- the fiber is a polymer fiber with a length in a range of 1 to 10 mm and a diameter in a range of 20 to 80 ⁇ m.
- the security document (A) preferably contains the fluorescent fiber in an amount in a range from 0.1 to 10% by weight, more preferably in a range from 0.2 to 8% by weight, particularly preferably in a range from 0 5 to 5% by weight, based on the total weight of the security document (A). Examples of such fibers are mottled fibers or planchettes. Mottled fibers are buried, for example, in postage stamps to protect them against forgery and can be seen under the UV lamp as small, red glowing fibers.
- Planchettes are inserted colored discs, similar to mottled fibers. Planchettes can also be metallic or transparent; they may also fluoresce under UV light or be made of iridescent material that exhibits hue changes. Special planchettes, such as those used for driving license applications, react to attempts at manipulation by bleeding out in a signal color).
- the dye particularly a dye that fluoresces in UV light
- the dye is preferably selected from the group consisting of allophycocyanin, berberine, brilliant sulfaflavin, quinine, coumarins, e.g. B. 4-methylumbelliferone, 1,3,2-dioxaborines (complexes of boric acid derivatives with 1,3-dicarbonyl compounds) fluoresceins (e.g.
- fluorescent proteins GFP, YFP, RFP
- indocyanine green sodium diuranate
- the security document (A) preferably contains the dye in an amount in a range from 0.1 to 10% by weight, more preferably in a range from 0.2 to 8% by weight, particularly preferably in a range from 0. 5 to 5% by weight, based on the total weight of the security document (A).
- suitable dyes are markers, IR or UV dyes, fluorescent dyes such as.
- the security pigment can be any security pigment that one skilled in the art would use to secure a document.
- the security pigment is a pigment that is attached to the respective polymer layer (A1), (A2) or ( A3) is attached in a characteristic way.
- the security pigment itself can have a special property that is detected using a special device, such as a scanner, or the security pigment can be introduced into the polymer film (A1), (A2) or (A3).
- the security pigment is preferably selected from the group of rare earths consisting of gadolinium oxysulfide, yttrium oxysulfide, lanthanum oxysulfide, gadolinium oxide, samarium oxide, lutetium oxide, terbium oxide, yttrium oxide, lanthanum oxide, europium oxide, sysprosium oxide, praseodymium oxide, erbium oxide, holmium oxide, cerium oxide, neodymium oxide, ytterbium oxide, phosphorus-containing ferromagnetic pigment , in particular a pigment consisting essentially of iron and cobalt.
- the security document (A) preferably contains the pigment in an amount in a range from 0.1 to 10% by weight, more preferably in a range from 0.2 to 8% by weight, particularly preferably in a range from 0. 5 to 5% by weight, based on the total weight of the security document (A).
- the security document (A) preferably contains carbon black.
- the security document (A) preferably contains the carbon black in an amount in a range from 0.1 to 10% by weight, more preferably in a range from 0.2 to 8% by weight, particularly preferably in a range from 0, 5 to 5% by weight, based on the total weight of the security document (A). If sections of the security document (A) are then processed with a laser, for example identifiers such as numbers can be burned into the security document (A) due to the carbon black content without being able to be changed in a non-destructive manner.
- the metallic or non-metallic micro- or nano-particles can be any type of metallic or non-metallic micro- or nano-particles that one skilled in the art would use to secure a document.
- the metallic or non-metallic microparticles or nanoparticles are preferably selected from the group consisting of oxides or sulfides of rare earth metals, microholograms of the Charms type from Viavi, microcrystals of the OVDots type from Optaglio.
- the security document (A) preferably contains the metallic or non-metallic microparticles or nanoparticles in an amount in a range from 0.1 to 10% by weight, more preferably in a range from 0.2 to 8% by weight, in particular preferably in a range from 0.5 to 5% by weight, based on the total weight of the security document (A).
- the magnetic particles can be any type of magnetic particle that one skilled in the art would use to secure a document.
- the magnetic particles are preferably selected from the group consisting of oxides of gadolinium, terbium, yttrium, lanthanum, europium, dysprosium, praseodymium, erbium, holmium, neodymium, ytterbium.
- the security document (A) preferably contains the magnetic particles in an amount in a range from 0.1 to 10% by weight, more preferably in a range from 0.2 to 8% by weight, particularly preferably in a range from 0 5 to 5% by weight, based on the total weight of the security document (A).
- At least one of the polymer films (A1), (A2) or optionally (A3), preferably the security document (A), has at least one of the following properties: a. a tear propagation strength in a range from 50 N/mm to 400 N/mm, more preferably from 60 N/mm to 350 N/mm, particularly preferably from 70 N/mm to 300 N/mm, determined according to DIN 53363:2003-10 ; b. a tensile strength in a range from 20 MPa to 200 MPa, more preferably from 25 MPa to 170 MPa, particularly preferably from 30 MPa to 150 MPa, determined according to ISO 527-3: 1995; c.
- the security document (A) preferably has the properties or combinations of properties selected from the group consisting of a., b., c., d., e., f, g., a. + b., a. + c., a + d., a. + e., a. + f., a. + g., b. + c., b. + d., b. + e., b. + f., b. + g., c. + d., c. + e., c. + f., c. + g., d. + e., d. + f., d.
- the security document (A) particularly preferably has the properties a. and G. on.
- the polymer films (A1), (A2) or (A3) preferably also have additives such as a UV stabilizer.
- the polymer films (A1), (A2) or (A3) preferably contain the UV stabilizer in an amount in a range from 0.1 to 15% by weight, more preferably in a range from 1 to 10% by weight, particularly preferably in a range from 2 to 7% by weight, based on the total weight of the respective polymer film (A1), (A2) or (A3).
- a further aspect of the invention relates to a method for producing a security document (A) with a first outside (AS1) and a second outside (AS2) opposite the first outside (AS1), comprising the steps of i) providing a first polymer (AU); ii) providing a second polymer (A2'); iii) optionally providing a further polymer (A3'); iv) melting of the polymers from step i), ii) and optionally iii); v) Either bringing together the polymer melts from step iv) to form a first polymer film (Al) from the first polymer (AU), a second polymer film (A2) from the second polymer (A2 ') and optionally another polymer film (A3) from the first polymer (AU) or from the further polymer (A3) as a coextrudate, or forming a laminate from a separate polymer film (A1), (A2) and optionally (A3), which were formed from the melts in step iv
- step i), ii) and/or optionally the further polymer (A3′) in step iii) can take place in any way known to those skilled in the art.
- the provision in step i), ii) and/or iii) preferably takes place by introducing granules of the respective polymer into an extruder or another device in which the polymer can subsequently be melted.
- step iv) the polymers from step i), ii) and optionally iii) are melted, preferably by heating the extruder with the extruder screw switched on.
- step v) the polymer melts from step iv) are combined. This preferably takes place by means of a nozzle suitable for this purpose. Alternatively, the melts from step iv) can also be applied to a substrate in succession.
- the melts in step v) are preferably co-extruded in the form of extruded melts via a die or formed as individual polymer films by casting.
- the melts in step v) are preferably extruded.
- melts are each formed separately to form the polymer films (A1), (A2) or (A3), they are preferably joined together as a laminate by means of lamination to form the security document (A). If the melts are extruded together using a nozzle in step v), the security document (A) is produced after the melts have cooled as an extruded film or coextruded film.
- the viscosity of the melts is preferably in a range suitable for polymer processing, in particular for the production of flat films, between 20 and 2000 Pas, preferably in the range from 50 to 1000 Pas, particularly preferably in the range from 75 to 500 Pas It is irrelevant whether the polymer melt is a polymer with a defined melting point Tm or a defined melting interval Tm ⁇ AT or whether it is a polymer without a defined melting point. During extrusion, particularly at the point of exit from the die, it is preferable for the polymer to be heated to such an extent above the melting point Tm or the glass transition point Tg that the viscosity of the polymer is reduced to such an extent that processing into a polymer film is possible.
- At least one further film is preferably introduced between the individual melts as a security feature (A4) in step vi).
- the at least one fed film preferably has a thickness in a range from 5 to 35 ⁇ m, more preferably from 7 to 25 ⁇ m, particularly preferably from 10 to 20 ⁇ m.
- This at least one further film can be introduced over the entire width of the melts in step v) or only over a section of the melts.
- the width of the at least one further film preferably corresponds to 30 to 100%, more preferably 40 to 90%, particularly preferably 50 to 80% of the width of the melt.
- the at least one further film preferably serves to introduce the security feature (A4).
- the extruded film is preferably guided onto two rollers.
- one or both rolls have a ductile surface.
- a more homogeneous pressure distribution can be achieved over the entire width of the extrudate.
- the thin film fed into the roller gap which serves as a security feature (A4), has gaps or printed symbols with an ink layer thickness of up to 20 ⁇ m, in which area due to the missing or excess material, the print over the rollers may vary.
- Ductile rolls may even out this pressure difference, resulting in improved adhesion in these areas as well.
- Such rollers are, for example, PTFE-coated or PTFE-coated rubber rollers or silicone-coated rollers.
- a first security feature (A4) in the form of an embossing (P) is preferably introduced into the resulting security document (A) by embossing.
- the embossing preferably takes place by a metal embossing die, for example in the form of a cylinder or a flat sheet.
- the embossing stamp is pressed at a temperature in a range from 15°C to 80°C on one side of the multilayer film with a pressure of 40N/cm 2 to 800N/cm 2 so that the embossing (P) is on the outside (AS1) or (AS2) of the security document (A) can be seen and felt in one of the polymer films (A1) or (A3).
- security features (A4) or combinations of security features (A4) can be built into the resulting security document (A). Preference is given here, for example: Mottled fibers, planchettes, metal fibers, marking substances, IR or UV dyes, security pigments, fluorescent dyes, effect pigments, or security threads, these security features (A4) as an addition to the polymer mixture present as granules in step i) or the melt in Added to step iv) or in step v) scattered in the vicinity of the roller nip or blown onto the melting sheet or, in the case of the security thread or a security film, guided into the roller nip. It is equally possible to provide a security feature (A4) in the thin film that is fed.
- security features already known from the area of paper banknotes can easily be used Modification can be used, as described in DE 6 98 33 653 T2, in particular in claim 1 or in CH 704 788 A1 on page 7.
- security features known from paper documents are: security threads, OVD, mottled fibers, security pigments, iridescent color applications, chips, in particular RFID chips, magnetic strips.
- a gravure roll as one of the rolls.
- the extrusion is preferably based on a simple melt of a fully reacted polymer.
- a prepolymer as described in CH 704 788 A1 as the starting material for forming one of the polymer films (A1), (A2) or optionally (A3).
- the prepolymer is preferably fed before or after the nip to a further melt of a polymer which forms one of the other polymer films (A1), (A2) or optionally (A3).
- the prepolymer is then chemically or physically cured and/or fully reacted and/or gelled.
- the present invention relates to a multi-layer substrate as it can be produced in a method as described above, or as it is actually produced by a method as described above.
- the pair of rollers is preferably kept at a temperature above room temperature, preferably in a range from 50 to 180° C., more preferably from 60 to 120°, particularly preferably from 70 to 100°.
- the roll temperature should not be above the melting temperature or above the glass transition point of the materials used for the resulting polymer films (A1), (A2) or optionally (A3).
- a temperature of the rollers just below the glass transition point Tg and/or the melting point Tm of the lowest-melting polymer is preferably used. If the melt in step v) involves fully reacted polymers, the roller temperatures can also be just above the melting temperature or above the glass transition point.
- the security feature (A4) can be introduced in step vi) in any way known to a person skilled in the art.
- the security feature (A4) is preferably introduced in step vi) by a measure selected from the group consisting of mixing a security thread, a fluorescent fiber, a dye, a pigment, carbon black, metallic or non-metallic microparticles or nanoparticles, magnetic particles , an embossing or a combination of at least two of these to the respective polymer (AK), (A2 ') or (A3'), preferably in its melt in step iv), an introduction of a hologram in the co-extrusion film or the laminate Step v) or printing the coextrusion film or the laminate from step v) using a method known to those skilled in the art for printing such coextrusion films or laminates.
- the printing in step vi) by a Process selected from the group consisting of inkjet printing, screen printing, Laseijet printing, laser engraving or a combination of at least two of these.
- the security feature (A4) can be introduced in the form of an embossing on one of the polymer layers (A1), (A2) or (A3).
- Fibers (A5) can optionally be introduced into, between or onto the melts. These can also be applied as a separate layer to the resulting multi-layer film or connected to it.
- the fibers (A5) are preferably introduced into the melt of the polymers (AK) or (A3').
- the optional joining of the further polymer layer (A6) to one of the outer layers (AS1) or (AS2) in step vii) over an area of at least 1 mm 2 can be done using any joining method that the person skilled in the art of joining polymer films knows.
- the joining is preferably an ultrasonic welding, vibration welding, laser welding or a combination of at least two of these.
- the polymer layer (A6) is, for example, the data page of a passport.
- the design of the polymer films (A1), (A2) and optionally (A3) corresponds to the polymer films as specified in connection with the security document (A) according to the invention.
- the composition, thickness, length and width as well as the shape and properties are the same as described above for the polymer films (A1), (A2) and optionally (A3).
- All polymer films (A1), (A2) and (A3) preferably consist exclusively of polymers.
- An advantage of the method according to the invention for producing a security document (A) lies in the high flexibility with regard to the variation of the polymers to be processed. Material changes are possible within a very short time, which also makes the production of smaller batch sizes attractive.
- marking substances in the form of a security feature (A4) such as dyes, security pigments, fluorescent dyes, effect pigments, interference pigments, metal pigments, reactive dyes, but also other additives such as UV absorbers, stabilizers and other additives, in particular such as already described in connection with the security document (A) according to the invention, preferably in the form of a masterbatch, which enables simple individualization, protection from environmental influences and further safeguarding of the security document (A).
- the selection and quantity of the various security features (A4) can be found in the statements relating to the security document (A) according to the invention and also apply to the method according to the invention.
- preferred materials for this are in particular plastics from the group of thermoplastic elastomers, eg thermoplastic polyurethanes, copolyesters, polyether block amides, thermoplastic polyolefins, styrene block copolymers and mixtures of at least two of the polymers mentioned. Due to their chemical structure, these have particularly good compatibility in extrusion, coextrusion and the production of blends. After they have been combined during extrusion, lamination or coating, they are therefore characterized by a particularly intimate bond, which results from good material bonding on the one hand and good compatibility of the individual components on the other.
- thermoplastic elastomers eg thermoplastic polyurethanes, copolyesters, polyether block amides, thermoplastic polyolefins, styrene block copolymers and mixtures of at least two of the polymers mentioned. Due to their chemical structure, these have particularly good compatibility in extrusion, coextrusion and the production of blends. After they have been
- a polymeric material for a security document (A) according to the invention are high chemical resistance to acids, bases, solvents, bleaches, etc. high thermal resistance, UV resistance, high opacity, high reverse bending strength and high softening temperatures.
- Film composites that are produced by extrusion lamination are usually constructed in such a way that the thin film to be laminated, e.g. film (Al) made of the polymer (AU) is guided on a roughened, tempered or cooled metal roller and the melt of the second polymer, e.g. (A2') is pressed out of the sheet die by a roughened rubber-coated roller against the first metal roller and the polymer melt is pressed onto the supplied film.
- the structure of the roughened surfaces of the rollers is transferred to the molten polymer as well as to the film to be laminated. Cooling of the temperature-controlled pair of rollers below the solidification temperature of the polymer prevents the film from sticking to the rubber roller.
- the polymer film presented for example polymer film (A1), preferably has a TPU to which the melt of a PC is applied. It is possible to work with comparatively high melt temperatures in the range from 200°C to 250°C. This has the advantage that due to the high temperature of the melt, a lower melt viscosity can be achieved, which leads to better and faster bonding of the plastic layers and enables a more intimate bond required for a security document (A). At the same time, faster process speeds are allowed.
- the pair of rollers is preferably temperature-controlled rollers which have a matt surface which is transferred to the extruded layered composite at a certain level during extrusion.
- two metal rollers can also be used.
- matt surfaces are those that have a roughness in a range from 10 to 30 ⁇ m.
- one of the two metal rollers is preferably designed with thin walls and hydraulic pressure is applied from the inside.
- This metal roller thus acts like a rubber roller, as thickenings can occur, see Printing with thick layers of paint, etc., locally limited.
- Metal rollers with a highly polished surface produce foils with correspondingly smooth surfaces. These foils are not very suitable for security printing because they stick to one another and can only be printed at high speeds with considerable effort. These foils are usually separated with ionized compressed air before they are fed into the printing machine.
- An alternative to polished rollers are rollers which only have locally limited polished surfaces, which can later be found, for example, in certain places on the security document (A), such as banknotes.
- the security document (A) by coextrusion of at least three polymer films (A1), (A2) and (A3) in a symmetrical structure, for example with an inner polymer film (A2) of a polymer (A2') and one outer polymer film (A1 ) or (A3) of a polymer (A1') or (A3'), where polymers (A1') and (A3') are particularly preferably identical, the softening point of the outer polymer (A1') or (A3') preferably below that of the internal polymer (A2').
- the outer polymer (A1') or (A3') has a lower melt viscosity than the inner polymer (A2') under the given processing conditions.
- a polymer (A2′) for optimized mechanical properties of the film is preferably selected for the inner polymer film (A2).
- Such a multilayer polymer layer is preferably largely compatible, ie easily extrudable polymers such as thermoplastic polyurethanes (TPU), copolyesters, polyether block amides, thermoplastic polyolefins, styrene block copolymers and mixtures of at least two of these.
- Additional material is preferably incorporated between the polymer films (A1) or (A3) and (A2) during the production process of the security document (A). It is preferable to let a security thread run into the roller gap as a security feature (A4), which in this way is firmly incorporated between the individual layers.
- the thread is provided with an adhesive, as is not unusual for security threads, and is thus glued to one of the outer polymer films (A1) or (A3) via the temperature-controlled roller.
- At least one of the polymers is selected from the group consisting of the polymer (A1), the polymer (A2), optionally the polymer (A3), a polymer selected from the group consisting of a thermoplastic polyamide elastomer, a thermoplastic elastomer based on olefins, preferably PP/EPDM, a thermoplastic styrene block copolymer (SBS, SEBS, SEPS, SEEPS and MBS), a thermoplastic polyurethane (TPU), a copolyester elastomer, a polyether block amide, a copolyester, a polycarbonate, a polyethylene terephthalate (PET), a polyethylene terephthalate glycol (PETG) or a mixture of at least two of these, preferably TPU.
- a thermoplastic polyamide elastomer a thermoplastic elastomer based on olefins, preferably PP/EPDM
- the second polymer film (A2) preferably contains a polymer selected from the group consisting of a TPE, a copolyester, a polyether block amide or a mixture of at least two of these in an amount ranging from 50 to 100% by weight, preferably from 60 to 90% by weight, particularly preferably from 70 to 80% by weight, based on the total weight of the polymer film (A2).
- the first polymer film (A1) preferably contains the TPE in an amount in a range from 50 to 100% by weight, preferably from 60 to 90% by weight, particularly preferably from 70 to 80% by weight, based on the total weight the polymer film (Al).
- At least one of the polymers (AT), (A2′) or (A3′) contains other additives for various purposes, such as UV protection, simpler processing, coloring etc.
- additives for various purposes, such as UV protection, simpler processing, coloring etc.
- customary additives are in particular those in connection with the security document according to the invention (A) already described, or:
- Alkylated Monophenols e.g. 2,6-di-tert-butyl-4-methylphenol, 2-tert-butyl-4,6-dimethylphenol,
- 2,6-dicyclopentyl-4-methylphenol 2-(oo-methylcyclohexyl)-4,6-dimethylphenol, 2,6-dioctadecyl-4-methylphenol, 2,4,6-tricyclohexylphenol, 2,6-di- tert-butyl-4-methoxymethylphenol.
- 1.2 Alkylated Hydroquinones e.g., 2,6-di-tert-butyl-4-methoxyphenol, 2,5-di-tert-butyl-hydroquinone, 2,5-di-tert-amyl-hydroquinone, 2,6-diphenyl-4-octadecyloxyphenyl.
- Hydroxylated thiodiphenyl ethers e.g., 2,2'-thio-bis-(6-tert-butyl-4-methylphenol), 2,2'-thio-bis-(4-octylphenol), 4,4'-thio-bis-(6-tert butyl-3-methylphenol), 4,4'-thio-bis-(6-tert-butyl-2-methylphenol).
- Benzyl Compounds e.g. 1,3,5-tri-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene, di-(3,5-di-tert-butyl-4-hydroxybenzyl) -sulfide, 3,5-di-tert-butyl-4-hydroxybenzyl-mercaptoacetic acid- isooctyl ester, bis(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)dithiol terephthalate, 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl).
- 1.6 Acylaminophenols e.g. 4-hydroxy-lauric anilide, 4-hydroxystearic anilide, 2,4-bis-octylmercapto-6-(3,5-di-tert-butyl-4-hydroxyanilino)-s-triazine, N-(3,5-di- tert-butyl-4-hydroxyphenyl)-carbamic acid octyl ester.
- esters of ß-(3,5-di-tert.butyl-4-hydroxyphenyl)propionic acid with monohydric or polyhydric alcohols such as methanol, octadecanol, 1,6-hexanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol , tris-hydroxyethyl isocyanurate, di-hydroxyethyloxalic acid diamide.
- esters of ß-(5-tert.butyl-4-hydroxy-3-methylphenyl)propionic acid with monohydric or polyhydric alcohols such as with methanol, octadecanol, 1,6-hexanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris-hydroxyethyl-isocyanurate, di-hydroxyethyl-oxyalic acid diamide.
- 2-(2'-Hydroxyphenyl)benzotriazoles such as 5'-methyl, 3',5'-di-tert-butyl, 5'-tert-butyl, 5'-(1,1,3,3-tetramethylbutyl), 5-chloro- 3',5'-di-tert-butyl-, 5'-chloro-3'-tert-butyl-5'-methyl-, 3'-sec-butyl- 5'-tert-butyl-, 4'-octoxy-, 3',5'-di-tert-amyl, 3',5'-bis(oo,oo-dimethylbenzyl) derivative.
- 2-Hydroxybenzophenones such as 4-hydroxy, 4-methoxy, 4-octoxy, 4-decyloxy, 4-dodecyloxy, 4-benzyloxy, 4,2',4'-trihydroxy, 2 '-Hydroxy-4,4'-dimethoxy derivative.
- esters of optionally substituted benzoic acids such as 4-tert-butylphenyl salicylate,
- phenyl salicylate octylphenyl salicylate, dibenzoylresorcinol, bis-(4-tert.butylbenzoyl)resorcinol, benzoylresorcinol, 3,5-di-tert. butyl -4-hydroxybenzoic acid-2,4-di -tert. butylphenyl ester, 3,5-di-tert-butyl-4-hydroxybenzoic acid hexadecyl ester.
- Nickel compounds such as nickel complexes of 2,2'-thio-bis-[4-(1,1,3,3-tetramethylbutyl)-phenol], such as the 1:1 or 1:2 complex, optionally with additional Ligands such as n-butylamine, Triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyl dithiocarbamate, nickel salts of 4-hydroxy-3,5-di-tert.butylbenzylphosphonic acid monoalkyl esters, such as the methyl or ethyl ester, nickel complexes of ketoximes, such as 2-hydroxy-4 -methyl-phenyl-undecylketone oxime, nickel complexes of 1-phenyl-4-lauroyl-5-hydroxypyrazole, optionally with additional ligands.
- additional Ligands such as n-butylamine, Triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyl dithiocarbamate, nickel salts of 4-hydroxy
- Sterically hindered amines such as bis(2,2,6,6-tetramethylpiperidyl) sebacate, bis(1,2,2,6,6-pentamethylpiperidyl) sebacate, n-butyl-3,5-di bis(1,2,2,6,6-pentamethylpiperidyl) tert-butyl-4-hydroxybenzylmalonate, condensation product of 1-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxypiperidine and succinic acid , Condensation product of N,N'-(2,2,6,6-tetramethyl-4-piperidyl)hexamethylenediamine and 4-tert.octylamino-2,6-dichloro-l,3,5-s-triazine, tris- (2,2,6,6-tetramethyl-4-piperidyl)nitrotriacetate, tetrakis-(2,2,6,6-tetramethyl-4-piperidyl)-1,2,3,4-
- Oxalic acid diamides such as 4,4'-dioctyloxyoxanilide, 2,2'-dioctyloxy-5,5'-di-tert-butyloxanilide, 2,2'-di-dodecyloxy-5,5 '-di-tert.butyl-oxanilide, 2-ethoxy-2'-ethyl-oxanilide, N,N'-bis-(3-dimethylaminopropyl)-oxalamide, 2-ethoxy-5-tert. butyl -2'-ethyloxanilide and its mixture with 2-ethoxy-2'-ethyl-5,4'-di-tert. butyl-oxanilide mixtures of o- and p-methoxy- and of o- and p-ethoxy-disubstituted oxanilides.
- Metal deactivators such as N,N'-diphenyloxalic diamide, N-salicylal-N'-salicyloylhydrazine, N,N'-bis-salicyloylhydrazine, N,N'-bis-(3,5-di-tert-butyl-4 -hydroxyphenylpropionyl)hydrazine, 3-salicyloylamino-1,2,4-triazole, bis-benzylidene-oxalic acid dihydrazide.
- Phosphites and Phosphonites such as, for example, triphenyl phosphite, diphenylalkyl phosphites, phenyldialkyl phosphites, tri-(nonylphenyl) phosphite, trilauryl phosphite, trioctadecyl phosphite, distearyl pentaerythritol diphosphite, tris-(2,4-di-tert.butylphenyl) phosphite, diisodecylpentaerythritol diphosphite, di-(2 ,4-di-tert.butylphenyl)pentaerythritol diphosphite, tristearyl sorbitol triphosphite, tetrakis-(2,4-di-tert.butylphenyl)-4,4'-biphenylene diphosphonite, 3,
- Peroxide-destroying compounds such as esters of ß-thiodipropionic acid, for example the lauryl, stearyl, myristyl or tridecyl ester, mercaptobenzimidazole, the zinc salt of 2-mercaptobenzimidazole, zinc dibutyldithiocarbamate, dioctadecyl disulfide, pentaerythritol tetrakis-( ⁇ -dodecylmercapto)-propionate.
- esters of ß-thiodipropionic acid for example the lauryl, stearyl, myristyl or tridecyl ester, mercaptobenzimidazole, the zinc salt of 2-mercaptobenzimidazole, zinc dibutyldithiocarbamate, dioctadecyl disulfide, pentaerythritol tetrakis-( ⁇ -dodecyl
- Polyamide stabilizers such as copper salts in combination with iodides and/or phosphorus compounds and salts of divalent manganese.
- Basic co-stabilizers such as melamine, polyvinylpyrrolidone, dicyandiamide, triallyl cyanurate, urea derivatives, amines, polyamides, polyurethanes, alkali metal and alkaline earth metal salts of higher fatty acids, for example Ca stearate, Zn stearate, Mg stearate, Na ricinoleate, K palmitate, antimony catecholate or tin catecholate.
- Nucleating agents such as 4-tert.butylbenzoic acid, adipic acid, diphenylacetic acid.
- Fillers and reinforcing agents such as calcium carbonate, silicates, glass fibers, asbestos, talc, kaolin, mica, barium sulfate, metal oxides and hydroxides, carbon black, graphite.
- additives such as plasticizers, lubricants, emulsifiers, pigments, optical brighteners, flame retardants, antistatic agents, blowing agents.
- the polymers (AK), (A2') and/or (A3') are obtained by mixing the appropriately selected, aforementioned additives with the starting materials for the polymers (AK), (A2') and/or (A3').
- the polymers (AK), (A2') and/or (A3') preferably contain one or more of the aforementioned additives in an amount ranging from 0.01 to 10% by weight, more preferably from 0.05 to 5% by weight, particularly preferably from 0.1 to 3% by weight, based on the total weight of the respective polymer (AK), (A2') and/or (A3').
- the mixing can be carried out in any manner according to known techniques, e.g. via kneaders or screw machines. Further processing is carried out using the known techniques of thermoplastic processing, e.g. by extrusion or injection molding.
- a further layer is applied to at least one side (AS1) or (AS2) of the security document (A), the further layer preferably being a paper, a fiber composite, a textile or a combination of at least two of these are about.
- AS1 or AS2 security document
- AS2 security document
- a security document (A) can be provided that is used, for example, in passports as an “end page”.
- the end-page is the outermost side sewn together with additional foils, which is then glued to the cover of the passport.
- Another aspect of the invention relates to the use of the security document (A) according to the invention or produced according to the method according to the invention as a bank note, birth certificate, postage stamp, tax stamp, visa pages of a passport, hinge for the data page of a passport, carrier layer of an electromagnetic shielding in a passport.
- the security document (A) is preferably used for production as a bank note or the visa page of a passport.
- the masterbatches for the production of the polymer films (A1) or (A3) were produced using a conventional twin-screw compounding extruder (ZSK 32) at the processing temperatures of 190° C. to 250° C. customary for TPU.
- ZSK 32 twin-screw compounding extruder
- Tritan® MX710 56% by weight Tritan® MX710 from EASTMAN Chemical GmbH (Germany)
- Example 1 Production of a single-layer TPU film, thickness 80 ⁇ m, not according to the invention (n.r.).
- the granules of the master batch a) from example 1) were conveyed from the dryer into the hopper of the extruder a).
- the weight ratio of the masterbatch a) to DesmopanTM 9365D in the hopper was set as follows:
- the mixture of masterbatch a) and DesmopanTM 9365D was melted at the usual processing temperatures for TPUs of 190°C to 250°C, in particular 210 to 240°C, and pressures of 10 until 1500 bar, preferably 500 bar.
- the melt produced in this way conveyed from the screw to the slot die, then reached the smoothing calender.
- the final shaping and cooling of the film took place on the smoothing calender (consisting of three rolls).
- a matt steel roller and a matt silicone rubber roller were used to emboss the surfaces.
- the rubber roller used for structuring the film surface is disclosed in US Pat. No. 4,368,240 from Nauta Roll Corporation. The film was then transported through a take-off and then the film was wound onto a roll.
- Example 2 Production of a white TPU film according to the invention, thickness 80 ⁇ m.
- the granules of the master batch a) from example 1) were conveyed from the dryer into the hopper a) of the extruder a).
- granules of the plastic DesmopanTM 9365D from Covestro GmbH AG were conveyed into the hopper a) of the extruder a).
- the granules of the master batch b) from example 1) were conveyed from the dryer into the hopper b) of the extruder b).
- the weight ratio of the masterbatch a) to DesmopanTM 9365D in the hopper a) was set as follows:
- Granules of the plastic DesmopanTM 9385D from Covestro Deutschland AG were additionally conveyed into the hopper b) of the extruder b).
- the weight ratio of the masterbatch b) to the DesmopanTM 9385D in the hopper b) was set as follows:
- the materials were melted and conveyed at the processing temperatures customary for most TPEs, in particular TPUs, of 190° C. to 250° C., in particular 210 to 240° C., and pressures of 10 to 1500 bar, preferably 500 bar.
- the materials from extruder a) and extruder b) were brought together in the slot die in the form of a multilayer block, resulting in a three-layer structure of the extruded film.
- the material from extruder a) formed the two outer layers (first polymer film (Al) and further polymer film (A3)) each with a thickness of 15 ⁇ m and the melt from extruder b) formed the middle layer in the form of the second polymer film (A2) in a thickness of 50 ⁇ m.
- the melts from extruders a) and b) reached the smoothing calender via the slot die.
- the final shaping and cooling of the film took place on the smoothing calender (consisting of three rolls).
- a matt steel roller and a matt silicone rubber roller were used to emboss the surfaces.
- the rubber roller used to structure the foil surface is disclosed in U.S. 4,368,240 to Nauta Roll Corporation.
- the film was then transported through a take-off and then the film was wound onto a roll.
- Example 3 Production of a white TPU film according to the invention, thickness 80 ⁇ m, with a core layer made from a TPU copolyester blend and TPU outer layers
- the weight ratio of the masterbatch a) to DesmopanTM 9365D in the hopper a) was set as follows:
- DesmopanTM 9365D 20% by weight of DesmopanTM 9365D.
- the weight ratio of the masterbatch c) to the mixture c) in the hopper b) was set as follows:
- the melt of the polymer mixture was produced in the extruders and processed into the security document.
- Example 4 Production of a colorless TPU film according to the invention, thickness 80 ⁇ m, from TPU.
- the granules of the DesmopanTM 9365D type were conveyed from the dryer into the hopper a) of the extruder a).
- Granules of the DesmopanTM 9385D type were conveyed into the hopper b) of the extruder b).
- the melt of the polymer mixture was produced in the extruders and processed into the security document.
- Example 5 Production of a colorless TPU film according to the invention, thickness 80 ⁇ m, with a core layer of TPU copolyester blend
- the granules of the DesmopanTM 9365D type were conveyed as polymer (A1) from the dryer into the hopper a) of the extruder a).
- the following granulate mixture b) was conveyed as polymer (A2′) into the hopper b) of the extruder b):
- Example 6 Production of multilayer, colorless TPU film with a thickness of 80 ⁇ m and a core layer of copolyester
- the granules of the DesmopanTM 9365D type were conveyed from the dryer into the hopper a) of the extruder a).
- the granules of the type Tritan® MX710 were conveyed from the dryer into the hopper b) of the extruder b).
- the melt of the polymer mixture was produced in the extruders and processed into the security document.
- Example 7 Production of multilayer white TPU film with a thickness of 80 ⁇ m with a core layer made of copolyester, with UV stabilizer and antistatic agent in the outer layers of the extruded film
- the granules of the master batch a) were conveyed from the dryer into the hopper a).
- the following materials were added to the material in hopper a):
- the material mixture of the hopper a) was conveyed into the extruder a).
- the material Tritan® MX710 and the masterbatch b) were introduced into the hopper b) of the extruder b).
- the mixing ratio was set as follows:
- the material mixture of the hopper b) was conveyed into the extruder b).
- the melt of the polymer mixture was produced in the extruders and processed into the security document.
- Example 8 Production of multilayer white TPU film with a thickness of 80 ⁇ m with a core layer made of copolyester, with a UV-fluorescent security feature (A4) in the outer layers of the extruded film.
- the material Tritan® MX710 and the masterbatch d) from example 1) were introduced into the hopper b) of the extruder b).
- the mixing ratio was set as follows:
- the material mixture of the hopper b) was conveyed into the extruder b).
- the melt of the polymer mixture was produced in the extruders and processed into the security document.
- the pair of rollers was moved together so that the foils (A1) and (A3) were in contact with the melt plume.
- the quantity of the melt plume introduced was so great that a layer (A2) approximately 50 ⁇ m thick formed between the polymer films (A1) and (A3).
- the pair of rollers had a temperature of 75° C. and the process speed was 15 m/min.
- the result was a three-layer composite that could not be separated without destroying it.
- the film had a matte surface.
- the process speed could be increased to different values without changing the quality of the composite, which allowed a film thickness (A2) of up to 80 ⁇ m.
- the input quantity could also be reduced to approx. 40 ⁇ m without changing the quality of the bond. Good quality film with embedded security features has continued to be produced.
- the security documents (A) produced according to the invention from Examples 2, 4 and 5 have an extremely high tear propagation resistance with good relaxation behavior after creases, with 1 standing for creases that are a maximum of 0.1 mm from a plane Protruding underlay, 2 for 0.1 to 0.2 mm, 3 for 0.2 to 0.3 mm, 4 for 0.3 to 0.4 mm and 5 for 0.4 to 0.5 mm, good surface energies and variable adjustment of the light transmission.
- the non-inventive BOPP films even when coated, do not have good tear propagation resistance and can only be made opaque by a separate coating step.
- Example 1 ie the single-layer film made of TPU, showed poor dimensional stability, since it had a significantly lower stress than Examples 2, 4, 5 according to the invention even at the same elongation of 10%.
- This particularly positive behavior is also reflected in the measured values of the nominal elongation at break, which are four to five times higher for Examples 2, 4, 5 according to the invention than for the examples not according to the invention.
- FIG. 1 an illustration of a security document (A) in the form of a banknote but without a security feature (A4)
- FIG. 2 a schematic representation of the method for producing a security document (A) according to the invention.
- FIG. 1 shows a photo of 4 different banknotes.
- a prior art printed banknote 1 in the form of a 10 Hong Kong dollar bill.
- an unprinted banknote 2 i.e. a banknote substrate consisting of an extrudate of three layers, a TPU with a Shore hardness of 65D on the outside and a TPU copolyester core with a Shore hardness of 85D in the core, which example 5 corresponds.
- To the right of banknote substrate 2 is an unprinted banknote substrate 3 made from an extmdat consisting of three layers, a TPU with a Shore hardness of 65D on the outside and a TPU with a Shore hardness of 85D in the core, which corresponds to example 4.
- an unprinted banknote substrate 4 made from an extmdat, consisting of three layers, on the outside a TPU with a Shore hardness of 65D with TiO? Pigment and core of a TPU with a shore hardness of 85D with TiCE pigment, which corresponds to example 2.
- All banknotes or banknote substrates were subjected to a crease test. This involved folding the banknote by hand and then laying it out on a smooth surface. After 72 hours, the visual assessment was made. It can be clearly seen that the banknote substrate 2 has the fewest creases and behaves similarly to the banknote 1 from the prior art.
- the banknote substrates 3 and 4 contain many small-fiber kinks and still have the bending behavior typical of banknotes, which makes the banknote easy to handle, but their hand feel is less appealing than example 2.
- step i) 10 a first polymer (AU) was provided.
- step ii) 12 a second polymer (A2') was provided.
- the optional step iii) is not shown here.
- step iv) 14 the polymers from step i) 10 and step ii) 12 were each melted in an extmder. The melting took place at a temperature of 250° C. and at atmospheric pressure.
- step v) 16 the polymer melts from step iv) were formed as a coextrudate to form a first polymer film (Al) and a further polymer film (A3) from the first polymer (AU) and a second polymer film (A2) from the second polymer (A2). shaped.
- the melts from the extruders were allowed to flow through a nozzle onto two metal rollers. Parallel to the flow of the melts from the extruder, a security thread was threaded between the melt of the polymer (AU) and the melt of the polymer (A2′) in step vi) 18 .
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2022399876A AU2022399876A1 (en) | 2021-11-30 | 2022-11-25 | Special plastic film for the production of security documents |
KR1020247017630A KR20240116723A (ko) | 2021-11-30 | 2022-11-25 | 보안 문서의 제조를 위한 특수 플라스틱 필름 |
CA3235168A CA3235168A1 (en) | 2021-11-30 | 2022-11-25 | Special plastic film for the production of security documents |
EP22822421.8A EP4440846A1 (de) | 2021-11-30 | 2022-11-25 | Besondere kunststofffolie für die herstellung von sicherheitsdokumenten |
MX2024006514A MX2024006514A (es) | 2021-11-30 | 2022-11-25 | Pelicula plastica especial para la produccion de documentos de seguridad. |
CN202280079241.2A CN118339029A (zh) | 2021-11-30 | 2022-11-25 | 用于制备安全凭证的特种塑料膜 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21211268.4 | 2021-11-30 | ||
EP21211268 | 2021-11-30 | ||
EP22166920.3 | 2022-04-06 | ||
EP22166920 | 2022-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023099349A1 true WO2023099349A1 (de) | 2023-06-08 |
Family
ID=84488522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/083290 WO2023099349A1 (de) | 2021-11-30 | 2022-11-25 | Besondere kunststofffolie für die herstellung von sicherheitsdokumenten |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP4440846A1 (de) |
KR (1) | KR20240116723A (de) |
AU (1) | AU2022399876A1 (de) |
CA (1) | CA3235168A1 (de) |
MX (1) | MX2024006514A (de) |
WO (1) | WO2023099349A1 (de) |
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-
2022
- 2022-11-25 WO PCT/EP2022/083290 patent/WO2023099349A1/de active Application Filing
- 2022-11-25 KR KR1020247017630A patent/KR20240116723A/ko unknown
- 2022-11-25 CA CA3235168A patent/CA3235168A1/en active Pending
- 2022-11-25 AU AU2022399876A patent/AU2022399876A1/en active Pending
- 2022-11-25 EP EP22822421.8A patent/EP4440846A1/de active Pending
- 2022-11-25 MX MX2024006514A patent/MX2024006514A/es unknown
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Also Published As
Publication number | Publication date |
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EP4440846A1 (de) | 2024-10-09 |
KR20240116723A (ko) | 2024-07-30 |
CA3235168A1 (en) | 2023-06-08 |
MX2024006514A (es) | 2024-06-11 |
AU2022399876A1 (en) | 2024-05-23 |
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