EP1765587A1 - Verfahren zur herstellung einer bereichsweisen metallisierung sowie transferfolie und deren verwendung - Google Patents
Verfahren zur herstellung einer bereichsweisen metallisierung sowie transferfolie und deren verwendungInfo
- Publication number
- EP1765587A1 EP1765587A1 EP05761989A EP05761989A EP1765587A1 EP 1765587 A1 EP1765587 A1 EP 1765587A1 EP 05761989 A EP05761989 A EP 05761989A EP 05761989 A EP05761989 A EP 05761989A EP 1765587 A1 EP1765587 A1 EP 1765587A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- transfer
- metal layer
- soluble
- carrier substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000011248 coating agent Substances 0.000 title description 6
- 238000000576 coating method Methods 0.000 title description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 76
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000001465 metallisation Methods 0.000 claims abstract description 24
- 239000010410 layer Substances 0.000 claims description 309
- 239000004848 polyfunctional curative Substances 0.000 claims description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000003973 paint Substances 0.000 claims description 18
- 239000000654 additive Substances 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 150000002739 metals Chemical class 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229920000147 Styrene maleic anhydride Polymers 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004544 sputter deposition Methods 0.000 claims description 4
- 238000007740 vapor deposition Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 239000005083 Zinc sulfide Substances 0.000 claims description 2
- 239000000969 carrier Substances 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims description 2
- 238000004049 embossing Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 230000000415 inactivating effect Effects 0.000 claims description 2
- 239000005022 packaging material Substances 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 239000004922 lacquer Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 3
- 239000000020 Nitrocellulose Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000005406 washing Methods 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
- B42D25/373—Metallic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
- B44C1/1716—Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
-
- 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
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/005—Removing selectively parts of at least the upper layer of a multi-layer article
-
- B42D2033/10—
Definitions
- the invention relates to a method for producing a zone-wise metallization on a carrier substrate, wherein the carrier substrate is at least partially provided with a soluble, colored first layer, which is provided over its entire surface with a metal layer on its side facing away from the carrier substrate.
- the invention further relates to a transfer film which comprises a carrier substrate and a transfer layer with a zone-wise metallization, wherein the carrier substrate is formed as a carrier film and the transfer layer has at least one partially arranged colored first layer and a metal layer arranged congruently to the first layer, as well as the latter Use.
- Such a method and such a transfer film are known from WO 98/50241.
- a carrier film is coated with a soluble, optionally colored first lacquer layer and the side of the first lacquer layer facing away from the carrier film is covered with a reflective metal layer.
- portions of the metal layer are to be removed by either coating a base in a desired pattern on the metal layer, or coating a base-insoluble layer in a pattern on the metal layer, and then coating a base onto the insoluble layer and the exposed areas of the metal layer Metal layer is applied.
- the base should now dissolve through the metal layer through the soluble first coat of paint.
- a method is described here in which a soluble paint is partially printed with a curing agent, the curing agent and free areas of the paint are coated with a metal layer and then the paint in the areas where no curing agent was present including the arranged thereon Dissolve metal layer to produce a partial metallization of the carrier substrate registering to the cured areas of the paint.
- these two methods last described in the case of a large number of paints cause the solubility of the lacquer layer after metallization to be markedly worsened, so that a defined detachment of the lacquer layer areas provided directly with the metal layer is made difficult or even impossible ,
- a soluble first colorant or lacquer layer is applied over the entire surface of a carrier substrate and partially covered with a second color or lacquer layer which contains a hardener for the first layer.
- the areas of the first layer in which the second layer was absent are dissolved by a solvent, so that areas with two register-accurate color layers are formed.
- DE 34 30 111 C1 discloses a foil with a decorative metal layer and a method for its production.
- a soluble coating on a carrier film is partially printed with a curing agent or a Aushärtlack containing a curing agent in excess.
- the hardener diffuses into the underlying, soluble paint and hardens it.
- a concentration gradient of the hardener is formed in the soluble paint, wherein in the direction of the carrier film, the hardener concentration decreases, thereby causing a locally different degrees of hardening of the soluble layer.
- uncured areas of the soluble lacquer may be present in the region of the carrier film which, during the washing of the Areas that have not been printed with curing agent, also be partially or completely replaced with.
- the curing of the soluble paint in the region of the support film is sufficient so far that solubility is no longer present, the non-uniform hardening of the soluble paint due to the concentration gradient has an unfavorable effect on its mechanical properties.
- a residue of the pure curing agent or the Aushärtlack
- the carrier substrate is at least partially provided with a soluble, colored first layer, which is provided on its side facing away from the carrier substrate over the entire surface with a metal layer, that either a) between the first layer and the At least one soluble second layer is arranged on the metal layer, or b) at least one insoluble third layer is arranged on the side of the first layer facing the metal layer, and a soluble second layer at least partially on the side of the third layer facing the metal layer is partially applied to the third layer-free areas of the first layer, wherein in cases a) and b) a hardener is added to the first layer and to the second layer is added an additive which is capable of inactivating the hardener of the first layer, the optionally arranged at least one third layer for which the additive is impermeable, second layer inactivates the curing agent of the first layer in the regions of the first layer that are disposed in direct contact with the second layer before the first layer is cured by the curing agent, and that - the second layer
- the regions of the first layer which are to be dissolved again are not coated directly with the metal layer at any point, so that there is no change in the solubility of the first layer due to the coating with the metal layer.
- the regions of the first layer which are to be redissolved are, according to the invention, brought into direct contact with the second layer, which has an additive which is adapted to a hardener contained in the first layer.
- the additive in the second layer inactivates the hardener in the first layer before the hardener becomes active and hardens the first layer.
- the second layer and exposed portions of the first layer are coated with a metal layer, which is preferably formed in a PVD process such as vapor deposition or sputtering.
- the second layer and the regions of the first layer, in which the hardener was inactivated dissolved by means of the liquid and removed. It also becomes the part of the metal layer removed, which is arranged directly on the second layer, and thus a partial metallization is formed on the carrier substrate.
- the partial metallization is located where the first layer was directly coated and cured with the metal layer.
- the at least one third layer present in case b) is insoluble and allows additional decorative effects. In this case, the optical impressions of the first and the third layer can overlap and also the third layer can be provided at least in regions with the metal layer.
- the method according to the invention enables a reliable detachment of the uncured regions of the first layer and the regions of the metal layer arranged thereon, it being possible to reproducibly produce metal layer regions having defined dimensions and sharp edges.
- the first lacquer layer is divided into hardened and uncured regions, and on the other hand, the regions of the first lacquer layer to be hardened are additionally directly coated with the metal layer, which leads to the above-described reduction of the solubility of the first lacquer layer.
- This double influence on the first lacquer layer can be seen as the cause for the high edge sharpness of the formed metallization areas and for the extremely high registration accuracy of the hardened areas of the first lacquer layer and the areas of the metal layer arranged thereon.
- the hardened regions of the first layer remaining under the regions of the metal layer have a uniform degree of cure over their surface and, viewed in cross-section, over their layer thickness because of their production history the hardener is evenly distributed in the material for forming the first layer already in the formation of the first layer.
- the uniform hardening of the first layer can be determined, for example, by the fact that the abrasion, the solubility, the refractive index, the molecular weight or a Molecular weight of the first layer - seen in cross-section - determined for different layer depths and compared.
- the degree of hardening of the first layer for example via the vapor pressure of polymers in the first layer or by determining the deformability of the first layer - also seen in cross section - for different layer depths and to compare them.
- no different measured values can be ascertained in the resulting, hardened first layer.
- the ink is formed alkaline by means of sodium hydroxide or potassium hydroxide, wherein the sodium hydroxide or potassium hydroxide forms the additive. It has been found that these additives from the second layer reliably inactivate an aziridine-based or polyimine-based hardener in the first layer and thus prevent the hardening of the first layer in a reproducible area. Such hardeners cure the first layer only at temperatures above about 8O 0 C accelerated. At room temperature, the curing is very slow, so that inactivation of the curing agent by the additive in the ink can be done, especially if this is applied "inline" in a subsequent printing on the first layer.
- the printing ink for forming the second layer is preferably added with a coloring filler or pigment to the arrangement and training the formed second layer in a simple manner to undergo a visual inspection. It has proven useful to add barium sulfate, titanium oxide or zinc sulfide to the ink in order to make them visible.
- the object is achieved for the transfer film, in particular a hot stamping foil, by hardening the first layer by means of an aziridine-based or polyimine-based hardener, the first layer having cured uniformly over its layer thickness.
- the first layer is preferably formed by an alkali-soluble lacquer, preferably based on polyacrylic acid or styrene-maleic anhydride.
- a layer thickness in the range of 0.7 to 2 ⁇ m is preferably selected.
- the additive of the second layer can reliably inactivate the hardener in the first layer over the entire layer thickness of the first layer. It has proven useful to form the second layer with a thickness in the range of 0.8 to 3 microns. It has proved useful if the first layer is transparent in order to make visible and fully emphasize the metal mirror through the first layer.
- the first layer may consist of several transparent layers whose optical effect influences each other.
- the carrier film and / or the transfer layer of the transfer film are at least partially transparent.
- partially transparent transfer layers which are applied to a document of value, still allow the surface of the document of value to be recognized and to achieve additional protection against counterfeiting.
- the transfer layer has an adhesive layer, wherein the adhesive layer is arranged on the side of the transfer layer facing away from the carrier film.
- the adhesive layer is arranged on the side of the transfer layer facing away from the carrier film.
- the at least one third layer which may be provided in the transfer layer, it is possible to achieve special decorative effects if this is made opaque in color and / or colored transparent.
- a wax-like separating layer is arranged between the carrier film and the transfer layer.
- Such separating layers usually have a thickness in the range of 0.001 to 0.1 ⁇ m.
- the carrier film preferably made of plastics such as PI, PP, PE, PET, PPS, LCP, PEN, PA, PVC, paper, fabrics or metal foil, thereby dissolves easily under pressure and temperature during hot stamping of the transfer layer and allows accurate and complete application to a material to be embossed.
- a flexible film material having a thickness in the range from 5 to 700 .mu.m, preferably in the range from 12 to 50 .mu.m, as the carrier substrate, so that this can be provided on a supply roll and processed endlessly. It is particularly advantageous in this case if the carrier substrate is transported from roll to roll to form the zone-wise metallization. This means that the carrier substrate withdrawn from a first supply roll, the process of the invention, optionally also subjected to further process steps, and finally can be wound onto a second supply roll, which is further processed. Further process steps include, for example, embossing processes, temperature treatments or irradiation.
- the metal layer is designed to be reflective, preferably reflective and reflective. This further enhances the decorative effect of the area-wise metallization.
- the metal layer is formed from one of the metals aluminum, chromium, copper, nickel, iron, titanium, silver, gold or an alloy of two or more of these metals. These metals can produce a specularly reflective metal layer.
- the metal layer is preferably formed by vapor deposition or cathode sputtering, since these methods can be carried out in a continuous and thus particularly economical process. It is preferable to form the metal layer (s) in a thickness in the range of 10 to 100 nm.
- transfer film according to the invention for the formation of security elements on data carriers, in particular value documents such as ID cards or banknotes, of components or decorative elements, in particular in architecture or other technical fields, of packaging materials, in particular in the pharmaceutical or food industry or of components in the Electrical or electronics industry is ideal.
- FIGS. 1a to 3 are intended to illustrate the method according to the invention and the structure of a transfer film according to the invention by way of example. So shows:
- FIG. 1 a shows a carrier substrate with a first layer, a second layer and a metal layer in cross section
- FIG. 1 b shows the carrier substrate from FIG. 1 a after dissolving the second layer and non-hardened regions of the first layer
- FIG. 2 a shows a further carrier substrate with a first layer, a second layer, a third layer and a metal layer in cross section,
- FIG. 2b shows the carrier substrate from FIG. 2a after dissolving the second layer and non-hardened regions of the first layer
- FIG 3 shows the cross section through a trained as a hot stamping foil transfer film with areawise metallization.
- FIG. 1a shows, in cross-section, a carrier substrate 1 designed as a carrier foil, which is coated with an alkali-soluble, colored lacquer based on styrene-maleic anhydride (SMA) as the first layer 2.
- SMA styrene-maleic anhydride
- the lacquer for the formation of the first layer had the following composition: ethanol 3200 g ethyl acetate 3100 g n-butanol 100 g SMA resin (MW approx. 200,000, acid number approx. 250) 1000 g alcohol-soluble cellulose nitrate (standard 30 A) 100 g complex dye orange 85 g complex dye yellow 38 g aziridine Hardener 25g
- the carrier substrate 1 made of PET has a thickness of 25 .mu.m and the first layer 2 has a thickness of 1 .mu.m.
- the first layer 2 can be applied over the entire surface or only partially on the carrier substrate 1.
- the first layer 2 in the present case contains an aziridine-based hardener. Between the carrier substrate 1 and the first layer 2 further lacquer layers, reflective layers or other layers can be arranged, which may have, for example, magnetic properties.
- On the first layer 2 is partially applied a water-soluble, strongly alkaline printing ink as the second layer 3, which contains sodium hydroxide as an additive and has a thickness of 1, 5 microns.
- the ink was added to titanium oxide to give a highly visible and controllable print result.
- the printing ink for forming the second layer had the following composition:
- a specularly reflective metal layer 4 of aluminum having a thickness of 40 nm covers the second layer 3 and the uncovered areas of the first layer 2.
- the sodium hydroxide of the second layer 3 inactivates the hardener in the first layer 2 in the areas in which a direct contact between the first layer 2 and the second layer 3 was generated.
- FIG. 1b shows the carrier substrate 1 from FIG. 1a after dissolving the second layer 3 and non-hardened regions of the first layer 2 in water. Only in the areas of the first layer 2, which were not covered by the second layer 3, the curing agent became active and led to a hardening of the first layer 2. These areas thus remain on the carrier substrate 1 including the directly pattygenauauen areas of the metal layer 4, while the uncured portions of the first layer 2 and the portions of the metal layer 4 disposed on the second layer 3 have been removed.
- FIG. 2 a shows a further carrier substrate 1 with a water-soluble first layer 2 based on styrene which has been applied over its entire surface and is applied over its entire area.
- Maleic anhydride according to FIG. 1a which contains an aziridine-based hardener.
- the first layer 2 is colored and transparent.
- a water-insoluble, color-transparent third layer 7 is partially applied.
- the water-insoluble lacquer for the formation of the third layer had the following composition: methyl ethyl ketone 2600 g PMMA (high molecular weight, Tg 120 0 C) 500 g toluene 2000 g ester-soluble cellulose nitrate (standard 34 E) 1000 g cyclohexanone 300 g complex dye Red 45 g Partially on the third layer 7 and partially arranged on the uncovered from the third layer 7 areas of the first layer 2, a water-soluble, second layer 3, which formed from a strongly alkaline ink according to Figure 1a.
- the second layer 3 contains as additive sodium hydroxide which inactivates the hardener in the first layer 2 in the areas which are in direct contact therewith.
- the second layer 3 does not affect the third layer 7, so that the third layer 7 for the sodium hydroxide of the second layer 3 forms a barrier layer.
- a closed metal layer 4 of chromium covers the second layer 3, parts of the first layer 2 and parts of the third layer 7.
- FIG. 2b shows the carrier substrate 1 from FIG. 2a after dissolving the second layer 3 and non-hardened regions of the first layer 2 in water.
- regions of the first layer 2 remain in register with regions of the metal layer 4, un-coated regions of the third layer 7 and regions of the third layer 7 covered with regions of the metal layer 4 Variation of the arrangement of the individual layers can be achieved here very different effects.
- FIG. 3 shows the cross section through a hot stamping foil 10 with zone-wise metallization.
- a wax-like separating layer 5 which facilitates the detachment of a transfer layer 9 from the carrier substrate 1 to a material to be embossed, is arranged on a carrier substrate 1 designed as a carrier film.
- On the release layer 5 is a colorless transparent, insoluble resist layer 8 is arranged on the regions of the first layer 2 and the metal layer 4 as shown in Figure 1 b formed, are arranged.
- An adhesive layer 6 is located on the side facing away from the carrier substrate 1 side of the transfer layer 9. As an adhesive, a heat-sealable adhesive is preferably used.
- the hot stamping film 10 When hot stamping the hot stamping film 10 is pressed under the action of temperature with the adhesive layer 6 against the material to be embossed and the transfer layer 9 completely or partially, for example in the form of patterns, alphanumeric characters or images transferred.
- the carrier substrate 1 is separated from the transferred to the embossed material areas of the transfer layer 9.
- the colorless transparent lacquer layer 8 now forms the surface of the transferred regions of the transfer layer 9 and protects the layer layers arranged underneath, for example against damage or manipulative change.
- the layer systems shown in the figures can be supplemented by further transparent or opaque layers, whereby various effects can be produced.
- the first layer 2 can be formed from two or more colored, transparent soluble lacquer layers. Also it is possible to use opaque color layers for structuring or a metal layer which is formed in regions from metals of different colors. This results in countless possible variations, which are recognizable to the person skilled in the art from the spirit of the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Decoration By Transfer Pictures (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004031099A DE102004031099B4 (de) | 2004-06-28 | 2004-06-28 | Verfahren zur Herstellung einer bereichsweisen Metallisierung |
PCT/DE2005/001136 WO2006000201A1 (de) | 2004-06-28 | 2005-06-23 | Verfahren zur herstellung einer bereichsweisen metallisierung sowie transferfolie und deren verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1765587A1 true EP1765587A1 (de) | 2007-03-28 |
EP1765587B1 EP1765587B1 (de) | 2010-04-14 |
Family
ID=35295376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05761989A Not-in-force EP1765587B1 (de) | 2004-06-28 | 2005-06-23 | Verfahren zur herstellung einer bereichsweisen metallisierung sowie transferfolie und deren verwendung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7833582B2 (de) |
EP (1) | EP1765587B1 (de) |
JP (1) | JP4746614B2 (de) |
CN (1) | CN101035672B (de) |
AT (1) | ATE464178T1 (de) |
DE (2) | DE102004031099B4 (de) |
RU (1) | RU2378120C2 (de) |
WO (1) | WO2006000201A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007024715B4 (de) * | 2007-05-25 | 2009-04-09 | Leonhard Kurz Gmbh & Co. Kg | Verfahren zur Herstellung einer Folie sowie eine Mehrschichtfolie |
DE102007032250B3 (de) * | 2007-07-11 | 2008-12-18 | ROWO Coating Gesellschaft für Beschichtung mbH | Vorrichtung zum Detektieren von Flüssigkeitslecks |
DE102010002252A1 (de) * | 2010-02-23 | 2011-08-25 | JENOPTIK Laser GmbH, 07745 | Verfahren zum Aufbringen von Weichlot auf eine Montagefläche eines Bauelementes |
JP6314476B2 (ja) * | 2013-12-25 | 2018-04-25 | 凸版印刷株式会社 | 転写用積層媒体および印刷物 |
DE102015104416A1 (de) * | 2015-03-24 | 2016-09-29 | Leonhard Kurz Stiftung & Co. Kg | Mehrschichtkörper und Verfahren zu dessen Herstellung |
RU2597373C1 (ru) * | 2015-04-29 | 2016-09-10 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский национальный исследовательский университет информационных технологий, механики и оптики" (Университет ИТМО) | Способ получения металлических пленок заданной формы |
GB2539389B (en) * | 2015-06-10 | 2017-12-06 | De La Rue Int Ltd | Image arrays for security devices and methods of manufacture thereof |
CN116080294B (zh) * | 2022-12-12 | 2024-03-26 | 库尔兹压烫科技(合肥)有限公司 | 转移膜、用于制造转移膜的方法和用于回收转移膜的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE627700A (de) * | 1962-02-01 | |||
DE1298710B (de) * | 1963-10-16 | 1969-07-03 | Basf Ag | Verfahren zur Herstellung modifizierter Mischpolymerisate |
CA1128817A (en) * | 1978-12-21 | 1982-08-03 | Brian Barnard | Titanium dioxide pigment coated with a cerium phosphate inner layer and an aluminum phosphate outer layer |
US4232077A (en) * | 1979-02-22 | 1980-11-04 | Fritz Meisel | Hot-stamping film, and process and apparatus for its manufacture |
US4242378A (en) * | 1979-03-29 | 1980-12-30 | Reiko Co., Ltd. | Method of making a decorated film with a metal layer in the form of a given pattern |
US4687680A (en) * | 1983-12-28 | 1987-08-18 | Oike Industrial Co., Ltd. | Stamping foil |
DE3430111C1 (de) * | 1984-08-16 | 1985-10-24 | Leonhard Kurz GmbH & Co, 8510 Fürth | Folie,insbesondere Heisspraegefolie,mit einer dekorativen Metallschicht und Verfahren zu deren Herstellung |
JPS62177187A (ja) * | 1986-01-30 | 1987-08-04 | Sumitomo Suriim Kk | 金属画像の形成方法 |
US5270078A (en) * | 1992-08-14 | 1993-12-14 | E. I. Du Pont De Nemours And Company | Method for preparing high resolution wash-off images |
DE4423291A1 (de) | 1994-07-02 | 1996-01-11 | Kurz Leonhard Fa | Prägefolie, insbesondere Heissprägefolie mit Dekorations- oder Sicherungselementen |
JP2000510395A (ja) * | 1996-05-27 | 2000-08-15 | ニュー トーヨー アルミニウム ペーパー プロダクト カンパニー(プライベート)リミティド | 積層板及び積層板の製造のための方法 |
GB9709263D0 (en) | 1997-05-07 | 1997-06-25 | Astor Universal Limited | Laminate structure |
ATA19212001A (de) * | 2001-12-07 | 2005-09-15 | Hueck Folien Gmbh | Verfahren zur herstellung von bedruckten trägersubstraten |
JP2005254572A (ja) * | 2004-03-10 | 2005-09-22 | Nissha Printing Co Ltd | 絶縁性部分金属光沢シートとその製造方法 |
-
2004
- 2004-06-28 DE DE102004031099A patent/DE102004031099B4/de not_active Expired - Fee Related
-
2005
- 2005-06-23 US US11/571,374 patent/US7833582B2/en not_active Expired - Fee Related
- 2005-06-23 DE DE502005009420T patent/DE502005009420D1/de active Active
- 2005-06-23 WO PCT/DE2005/001136 patent/WO2006000201A1/de active Application Filing
- 2005-06-23 JP JP2007518443A patent/JP4746614B2/ja not_active Expired - Fee Related
- 2005-06-23 AT AT05761989T patent/ATE464178T1/de active
- 2005-06-23 RU RU2007103171/02A patent/RU2378120C2/ru active
- 2005-06-23 EP EP05761989A patent/EP1765587B1/de not_active Not-in-force
- 2005-06-23 CN CN200580021425XA patent/CN101035672B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2006000201A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102004031099B4 (de) | 2006-07-27 |
WO2006000201A1 (de) | 2006-01-05 |
JP2008504153A (ja) | 2008-02-14 |
DE102004031099A1 (de) | 2006-01-26 |
JP4746614B2 (ja) | 2011-08-10 |
DE502005009420D1 (de) | 2010-05-27 |
ATE464178T1 (de) | 2010-04-15 |
US20080095956A1 (en) | 2008-04-24 |
CN101035672B (zh) | 2012-05-23 |
US7833582B2 (en) | 2010-11-16 |
EP1765587B1 (de) | 2010-04-14 |
CN101035672A (zh) | 2007-09-12 |
RU2378120C2 (ru) | 2010-01-10 |
RU2007103171A (ru) | 2008-08-10 |
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