WO2006128839A1 - Marque d'authentification a jet d'encre pour produit ou emballage de produit - Google Patents

Marque d'authentification a jet d'encre pour produit ou emballage de produit Download PDF

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Publication number
WO2006128839A1
WO2006128839A1 PCT/EP2006/062656 EP2006062656W WO2006128839A1 WO 2006128839 A1 WO2006128839 A1 WO 2006128839A1 EP 2006062656 W EP2006062656 W EP 2006062656W WO 2006128839 A1 WO2006128839 A1 WO 2006128839A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
jet
jet printing
receiving layer
image
Prior art date
Application number
PCT/EP2006/062656
Other languages
English (en)
Inventor
Luc Leenders
Eddie Daems
Original Assignee
Agfa Graphics Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from EP05104784A external-priority patent/EP1728644B1/fr
Application filed by Agfa Graphics Nv filed Critical Agfa Graphics Nv
Priority to JP2008514076A priority Critical patent/JP2008542073A/ja
Priority to CN200680019053.1A priority patent/CN101184628B/zh
Priority to US11/916,053 priority patent/US8070281B2/en
Publication of WO2006128839A1 publication Critical patent/WO2006128839A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5209—Coatings prepared by radiation-curing, e.g. using photopolymerisable compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers

Definitions

  • the invention relates to an authentication mark for application utilizing ink- jet printing to a product or product packaging that allows at least partial determination whether the product or product packaging is authentic.
  • Pigmented ink-jet inks are also used in US 2005042396 (DIGIMARC) to assemble identification cards.
  • US 20030194532 discloses the manufacture of secure ID badges by using ink-jet printing in an image retaining laminate assembly comprising; a first substrate comprising a first surface and one or more projections extending beyond the first surface, the projections defining a second surface of the first substrate, and a second substrate overlaying the second surface of the first substrate.
  • US 2004262909 discloses a method for individualizing security documents comprising the steps of: providing a document having a first, high security quality printed image (1) comprising mutually contrasting light and dark areas (1a, 1 b), and printing at least part of the first printed image (1) with a second printed image (2), characterized in that the material selected for printing the second printed image (2) is a material that is repelled either by the dark areas (1 b) or by the light areas (1a) of the first printed image (1) and is deposited in the accordingly other areas (1a or 1 b) so that it remains only in said other areas.
  • authentication marks could be obtained by imagewise curing a curable compound in an ink-receiving layer and then printing a second image overlapping partially with the imagewise cured ink-receiving layer.
  • Objects of the present invention have been realized with a method of ink- jet printing comprising in order the steps of: a) providing a coated ink-receiving layer containing a polymeric binder and a curable compound; b) at least partially curing said coated ink-receiving layer according to a first image; and c) jetting at least one ink-jet ink on said ink-receiving layer according to a second image partially overlapping with said first image.
  • image means any form of representing information, such as pictures, logos, photographs, barcodes and text.
  • the image may comprise some form of a "security pattern", such as small dots, thin lines or fluorescent lines.
  • UV is used in disclosing the present invention as an abbreviation for ultraviolet radiation.
  • ultraviolet radiation means electromagnetic radiation in the wavelength range of 100 to 400 nanometers. PatXML 4
  • actinic radiation means electromagnetic radiation capable of initiating photochemical reactions.
  • Non-acid generator means an initiator which cleaves after excitation, yielding the initiating radical immediately.
  • photo-acid generator means an initiator which generates an acid or hemi-acid upon exposure to actinic radiation.
  • thermal initiator as used in disclosing the present invention, means an initiator which generates initiating radicals upon exposure to heat.
  • functional group as used in disclosing the present invention, means an atom or group of atoms, acting as a unit, that has replaced a hydrogen atom in a hydrocarbon molecule and whose presence imparts characteristic properties to this molecule.
  • monofunctional means one functional group.
  • difunctional means two functional groups.
  • polyfunctional means more than one functional group.
  • water-soluble means having a solubility of 10 mg/L or more in water under the ambient conditions pertaining.
  • polymeric dispersant as used in disclosing the present invention, means a substance for promoting the formation and stabilization of a dispersion of one substance in a dispersion medium.
  • unsaturated aliphatic group means straight chain, branched chain and alicyclic hydrocarbon groups which contain at least one double or triple bond.
  • the backside of the support is preferably provided with an adhesive backing layer or the support is chosen in such a way (e.g. a polyethylene support) that the label can be thermally laminated onto a substrate such as paper and cartons.
  • the ink-receiving layer used in the ink-jet printing method of the present invention, as polymeric binder preferably contains a polyvinylalcohol (PVA) PatXML 9
  • methoxypolyethyleneglycol (meth)acrylate and tripropyleneglycol(meth)acrylate phosphate allyl derivatives such as allyl glycidyl ether; styrenics such as styrene, 4-methylstyrene, 4-hydroxystyrene, and 4-acetoxystyrene; (meth)acrylonitrile; (meth)acrylamides (including N-mono and N,N-disubstituted) such as N-benzyl (meth)acrylamide; maleimides such as N-phenyl maleimide, N-benzyl maleimide and N-ethyl maleimide; vinyl derivatives such as vinylcaprolactam, vinylpyrrolidone, vinylimidazole, vinylnaphthalene and vinyl halides; vinylethers such as vinylmethyl ether; and vinylesters of carboxylic acids such as vinylacetate and vinylbutyrate.
  • allyl derivatives such as allyl
  • a preferred Norrish type l-initiator is selected from the group consisting of benzoinethers, benzil ketals, ⁇ , ⁇ -dialkoxyacetophenones, ⁇ - hydroxyalkylphenones, ⁇ -aminoalkylphenones, acylphosphine oxides, acylphosphine sulphides, ⁇ -haloketones, ⁇ -halosulfones and ⁇ - halophenylglyoxalates.
  • the ink-receiving layer may contain a photo-initiator system containing photo-initiator(s) and one or more sensitizer dyes that absorb light and transfer energy to the photo-initiator(s).
  • Suitable sensitizer dyes include photoreducible xanthene, fluorene, benzoxanthene, benzothioxanthene, thiazine, oxazine, coumarin, pyronine, porphyrin, acridine, azo, diazo, cyanine, merocyanine, diarylmethyl, triarylmethyl, anthraquinone, phenylenediamine, benzimidazole, fluorochrome, quinoline, tetrazole, naphthol, benzidine, rhodamine, indigo and/or indanthrene dyes.
  • optical brighteners are also suitable.
  • the amount of the sensitizer dyes is in general from 0.01 to 15
  • ink-receiving layer general from 0.01 to 20 wt%, preferably from 0.05 to 10 wt%, based in each case on the total dry weight of the ink-receiving layer.
  • Suitable inhibitors are, for example, SumilizerTM GA-80, SumilizerTM GM and SumilizerTM GS produced by Sumitomo Chemical Co., Ltd.; Ciba IrgastabTM UV10 from CIBA Specialty Products and GenoradTM 16 available from RAHN.
  • the colorant used in the ink-receiving layer may be cyan, magenta, yellow, red, orange, violet, blue, green, brown, mixtures thereof, and the like.
  • Suitable colorants for the ink-receiving layer used in the ink-jet printing method according to the present invention include those listed below for the ink-jet ink.
  • Any ultraviolet light source as long as part of the emitted light can be absorbed by the photo-initiator(system), may be employed as a radiation source, such as, a high or low-pressure mercury lamp, a cold cathode tube, a black light, an ultraviolet LED, an ultraviolet laser, and a flash light.
  • a radiation source such as, a high or low-pressure mercury lamp, a cold cathode tube, a black light, an ultraviolet LED, an ultraviolet laser, and a flash light.
  • the ink-jet ink used in the ink-jet printing method according to the present invention may further comprise at least one polymeric dispersant.
  • a biocide may be added to the ink-jet ink used in the ink-jet printing method according to the present invention to prevent unwanted microbial growth, which may occur in the ink-jet ink over time.
  • the biocide may be used either singly or in combination.
  • the ink-jet ink used in the ink-jet printing method according to the present invention may further comprise at least one antioxidant for improving the storage stability of an image.
  • the ink-jet ink used in the ink-jet printing method according to the present invention may include additives such as buffering agents, anti-mold agents, pH adjustment agents, electric conductivity adjustment agents, chelating agents, anti-rusting agents, light stabilizers, dendrimers, polymers, and the like. Such additives may be included in the ink-jet ink used in the ink-jet printing method according to the present invention in any effective amount, as desired.
  • the pigment used in the radiation curable ink-jet ink may be white, black, cyan, magenta, yellow, red, orange, violet, blue, green, brown, mixtures thereof, and the like.
  • the pigment may be chosen from those disclosed by HERBST, W, et al.
  • Particular preferred pigments are C.I. Pigment Red 17, 22, 23, 41 , 48:1 ,
  • pigments are C.I. Pigment Orange 5, 13, 16, 34, 67,
  • Particular preferred pigments are C.I. Pigment Green 7 and 36.
  • Particular preferred pigments are C.I. Pigment Brown 6 and 7.
  • Particular preferred pigments are C.I. Pigment White 6.
  • Particular preferred pigments are C.I. Pigment Metal 1 , 2 and 3.
  • Suitable black pigments include carbon blacks such as RegalTM 400R,
  • the pigment particles in the ink-jet ink should be sufficiently small to permit free flow of the ink through the ink-jet printing device, especially at the ejecting nozzles. It is also desirable to use small particles for maximum colour strength. PatXML
  • Suitable direct dyes for the ink-jet ink used in the ink-jet printing method according to the present invention include:
  • Suitable basic dyes for the ink-jet ink used in the ink-jet printing method according to the present invention include:
  • the colorant is a fluorescent colorant used to introduce additional security features.
  • Suitable examples of a fluorescent colorant include TinopalTM grades such as TinopalTM SFD, UvitexTM grades such as UvitexTM NFW and UvitexTM OB, all available from CIBA SPECIALTY CHEMICALS; LeukophorTM grades from CLARIANT and BlancophorTM grades such as BlancophorTM REU and BlancophorTM BSU from BAYER.
  • the dye is used in the ink-jet ink in an amount of 0.1 to 30 wt%, preferably 1 to 20 wt% based on the total weight of the ink-jet ink.
  • the pigment may be added in the form of a dispersion comprising a polymeric dispersant, which is also called a pigment stabilizer.
  • the dispersion medium comprises monomers, oligomers and/or prepolymers.
  • the monomers, oligomers and/or prepolymers may possess different degrees of functionality, and a mixture including combinations of mono-, di-, tri-and higher functionality monomers, oligomers and/or prepolymers may be used.
  • Suitable monomers, oligomers and/or prepolymers are those listed above as curable compounds for the ink receivers.
  • the ink-jet ink used in the ink-jet printing method according to the present invention may contain at least one surfactant.
  • the surfactant(s) can be anionic, cationic, non-ionic, or zwitter-ionic and are usually added in a total quantity less than 20 wt% based on the total weight of the ink-jet ink and particularly in a total less than 10 wt% based on the total weight of the ink- jet ink.
  • Suitable biocides for the ink-jet ink used in the ink-jet printing method according to the present invention include sodium dehydroacetate, 2- phenoxyethanol, sodium benzoate, sodium pyridinethion-1 -oxide, ethyl p- hydroxybenzoate and 1 ,2-benzisothiazolin-3-one and salts thereof.
  • Preferred biocides are BronidoxTM available from HENKEL and ProxelTM GXL available from ZENECA COLOURS.
  • a biocide is preferably added in an amount of 0.001 to 3 wt.%, more preferably 0.01 to 1.00 wt. %, each based on the total weight of the ink-jet ink. pH adjusters
  • the ink-jet ink used in the ink-jet printing method according to the present invention may contain at least one pH adjuster.
  • Suitable pH adjusters include NaOH, KOH, NEt 3 , NH 3 , HCI, HNO 3 and H 2 SO 4 .
  • Preferred pH adjusters are KOH, NaOH and H 2 SO 4 .
  • Suitable humectants include triacetin, N-methyl-2-pyrrolidone, glycerol, urea, thiourea, ethylene urea, alkyl urea, alkyl thiourea, dialkyl urea and dialkyl thiourea, diols, including ethanediols, propanediols, propanetriols, butanediols, pentanediols, and hexanediols; glycols, including propylene glycol, polypropylene glycol, ethylene glycol, polyethylene glycol, diethylene glycol, tetraethylene glycol, and mixtures and derivatives thereof.
  • a preferred humectant is polyethylene glycol and added to the ink-jet ink formulation in an amount of 0.1 to 20 wt% of the formulation, more preferably 0.1 to 10 wt% of the formulation, and most preferably approximately 4.0 to 6.0 wt%.
  • the ink-jet ink may, if necessary, further contain following additives to have desired performance: evaporation accelerators, rust inhibitors, crosslinking agents, soluble electrolytes as conductivity aid, sequestering agents and chelating agents, magnetic particles to introduce additional security features,...
  • the ink-jet ink used in the ink-jet printing method according to the present invention can be prepared by simply mixing all components when the colorant is a dye.
  • a pigment dispersion may be prepared by mixing, milling and dispersion of pigment and polymeric dispersant.
  • Mixing apparatuses may include a pressure kneader, an open kneader, a planetary mixer, a dissolver, and a Dalton Universal Mixer.
  • Suitable milling and dispersion apparatuses are a ball mill, a pearl mill, a colloid mill, a high-speed disperser, double rollers, a bead mill, a paint conditioner, and triple rollers.
  • the dispersions may also be prepared using ultrasonic energy.
  • each process is preferably performed with cooling to prevent build up of heat.
  • the dispersion process can be carried out in a continuous, batch or semi- batch mode.
  • the milling time can vary widely and depends upon the pigment, mechanical means and residence conditions selected, the initial and PatXML
  • the ink-jet inks in the form of a concentrated mill grind, which is subsequently diluted to the appropriate concentration for use in the ink-jet printing system.
  • This technique permits preparation of a greater quantity of pigmented ink from the equipment. If the mill grind was made in a solvent, it is diluted with water and optionally other solvents to the appropriate concentration. If it was made in water, it is diluted with either additional water or water miscible solvents to make a mill grind of the desired concentration. By dilution, the ink-jet ink is adjusted to the desired viscosity, surface tension, colour, hue, saturation density, and print area coverage for the particular application.
  • the cured and ink-jet printed ink-receiver is coated with a radiation curable coating composition.
  • the curing of this overcoat layer may result in changes of the contrast depending on the fact if a pigmented or a dye based ink-jet ink was used to print the main image partially overlapping with the security image.
  • the authentication mark obtained by the ink-jet printing method according to the present invention may be used in security documents, official documents issued by governments or other official and commercial institutions, bank notes, bonds, currency notes, cheques, share certificates, stamps, tax receipts, official records, diplomas, identification documents, security tags, labels, tickets, security badges, credit cards, packaging, brands, trademarks, logos or documents suitable for attachment to and/or association with a product of substantial value such as antique objects, audio and/or visual media (e.g.
  • compact disks, audio tapes and video tapes chemical products , tobacco products, clothing articles, wines and alcoholic beverages, entertainment goods, foodstuffs, electrical and electronic goods, computer software, high technology machines and equipment, jewellery, leisure items, perfumes and cosmetics, products related to the treatment, diagnosis, therapy and prophylaxis of humans and animals, military equipment, photographic industry goods, scientific instruments and spare parts therefor, machinery and spare parts for the transport industry and travel goods.
  • PoIy(ViOH-ViAc) is POVALTM R3109 from MITSUBISHI CHEMICAL
  • LaromerTM PE 55 WN is a 50 wt% aqueous emulsion based on a polyester aery late from BASF AG.
  • SartomerTM SR9035 is water soluble ethoxylated (15) trimethylolpropane triacrylate from SARTOMER.
  • LaromerTM LR8895 is a 50 wt% solution in water of a polyester acrylate from BASF AG.
  • Co(Et-ViAc) is a ethylene-vinylacetate latex available under the tradename
  • RopaqueTM HP91 is a 1 ⁇ m core-shell particle with a polystyrene shell from ROHM AND HAAS.
  • SartomerTM SR506D is isobornyl acrylate from SARTOMER.
  • EbecrylTM 1039 is an urethanemonoacrylate from UCB.
  • EbecrylTM 11 is a polyethylene glycol diacrylate from UCB.
  • PerenolTM S konz. is a surfactant from COGNIS.
  • PET100 is a 100 ⁇ m subbed PET substrate with on the coating side a subbing layer and on the backside a subbing layer and an antistatic layer available from AGFA-GEVAERT as P100C S/S AS.
  • EXAMPLE 1 This example illustrates the method of ink-jet printing used to manufacture authentication marks. Preparation of the ink receiver [0175] First a dispersion of silica, named DISP-1 , was prepared by mixing the components according to Table 1.
  • the dispersion DISP-1 was then used to prepare the coating solutions COAT-1 to COAT-9 by mixing the polymer latex Co(Et-ViAc), the monomer LaromerTM PE 55 WN, the photo-initiator IrgacureTM 500 (6 wt% with respect to the monomer content) and water according to Table 2.
  • the concentration of the polymer latex Co(Et-ViAc) was altered to have a SiPo ratio, i.e. the ratio of wt% DISP-1 over wt% Co(Et-ViAc), varying from 7.4 to 1.7.
  • the concentration of the monomer was also altered.
  • the coating solutions COAT-1 to COAT-9 were coated on PET100 by means of a coating knife (wet thickness 80 ⁇ m).
  • the coated ink-receivers REC-1 to REC-9 were then dried for 4 minutes in an oven at 6O 0 C.
  • security patterns e.g. thin lines
  • An EPSON PHOTO STYLUSTM R800 from SEIKO EPSON was used with an EPSON R800 ink-jet ink set and a printer setting "PHOTO (+ HIGH SPEED)" to print an image containing a picture of a person and some text onto the ink-receivers REC-1 to REC-9 in a way that the image was partially printed onto cured areas and partially onto uncured areas of the ink receivers REC-1 to REC-9.
  • Authentication marks were visible on all printed samples of the ink receivers REC-1 to REC-9.
  • the image contrast of the authentication mark increased with the SiPo ratio.
  • the printed samples of REC-1 to REC-3 with the highest SiPo ratio and the highest image contrast exhibited less reliable transport in the EPSON PHOTO STYLUSTM R800 ink-jet printer.
  • the printed samples of REC-8 and REC-9 containing lower concentrations of the UV-curable monomer exhibited authentication marks with good contrast if looked at in reflection, but with low contrast in transmission.
  • This example illustrates how different types of authentication marks can be obtained by using an opacifier, the application of a UV-curable overcoat layer and/or dye based or pigment based ink-jet inks.
  • a first ink receiver was prepared in the same manner as in Example 1 using the coating solution COAT-4.
  • a second ink receiver was prepared that was identical to the first ink receiver except that an opacifier RopaqueTM HP91 was added to the coating solution COAT-4 in an amount of 7.5 wt%.
  • the ink receivers were exposed through a mask and cured in the same way as in Example 1.
  • Samples C and D were obtained by printing on the two ink-receivers in the same manner as in Example 1 with an EPSON STYLUSTM PHOTO R800 ink-jet printer using an EPSON R800 ink set, which consist of aqueous pigment based inks.
  • the ink-jet printer EPSON STYLUSTM PHOTO R300 with an aqueous dye based EPSON R300 ink set was used.
  • a UV-curable coating composition was prepared by mixing the components according to Table 4.
  • the UV-curable coating composition was coated onto the ink-jet printed samples A to D using a bar coater and a 30 ⁇ m wired bar.
  • the samples AO, BO, CO and DO were obtained by curing the over-coated samples A to D using a Fusion DRSE-120 conveyer, equipped with a Fusion VPS/I600 lamp (D-bulb), which transported the samples under the UV lamp on a conveyer belt at a speed of 20 m/min.
  • the dispersion DISP-1 of EXAMPLE 1 was used to prepare the coating solution COAT-10 according to Table 6 by admixing the polymer latex Co(Et-ViAc), the water-soluble monomer SartomerTM SR9035 , the photo- initiator IrgacureTM 500 (6 wt% with respect to the monomer content) and water.
  • the coating solution COAT-10 was coated on PET100 by means of a coating knife (wet thickness 120 ⁇ m).
  • the coated ink-receiver REC-10 was then dried for 4 minutes in an oven at 60°C.
  • security patterns e.g. thin lines
  • Samples E and F were obtained by printing on the ink-receiver REC-10 in the same manner as in Example 1 with an EPSON STYLUSTM PHOTO R300 ink-jet printer using a dye based EPSON R300 ink set, respectively with the ink-jet printer EPSON STYLUSTM PHOTO R800 with an aqueous pigment based EPSON R800 ink set was used.
  • the pigmented inks of the Epson R800 ink-jet ink set produced a higher contrast if the overcoat layer was present.
  • the dye based inks of the Epson R300 ink-jet ink set produced a high contrast with and without a cured overcoat layer.
  • optical density of a homogeneous blue image-part of the over-coated sample EO was measured in reflection using a MacBethTM RD918SB with a red filter to be 1.16 in an uncured area and 0.61 in an cured area.
  • the over-coated sample EO also exhibited a relief with differences of height between 5 to 10 ⁇ m. This kind of tactile printing can be used for introducing security features.
  • security patterns e.g. thin lines
  • AGORIXTM UV curable CMYK inkjet inkset from AGFA was used to print the main image with a custom build printer equipped with a UPHTM printhead from AGFA.
  • the inks were jetted at 8 dpd and 360x360 dpi on cured and uncured areas of the exposed and cured ink receiver REC-10.
  • the ink receiver was then cured using a Fusion DRSE-120 conveyer, equipped with a Fusion VPS/I600 lamp (D-bulb), which transported the samples under the UV lamp on a conveyer belt at a speed of 20 m/min.
  • D-bulb Fusion VPS/I600 lamp

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Ink Jet (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Credit Cards Or The Like (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)

Abstract

L'invention porte sur un procédé d'impression à jet d'encre qui consiste à, dans l'ordre: a) former une couche de réception d'encre à revêtement, contenant un liant polymérique et un composé durcissable; b) faire durcir au moins partiellement la couche de réception d'encre à revêtement en fonction d'une première image; et c) projeter au moins une encre de jet d'encre sur la couche de réception d'encre en fonction d'une seconde image chevauchant en partie la première image. Le procédé de l'invention peut être utilisé avec avantage pour disposer des marques d'authentification sur un produit, par exemple sur un document de sécurité ou sur un emballage de produit.
PCT/EP2006/062656 2005-06-02 2006-05-29 Marque d'authentification a jet d'encre pour produit ou emballage de produit WO2006128839A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008514076A JP2008542073A (ja) 2005-06-02 2006-05-29 製品または製品包装用のインキ−ジェット認証マーク
CN200680019053.1A CN101184628B (zh) 2005-06-02 2006-05-29 用于产品或产品包装的喷墨验证标记
US11/916,053 US8070281B2 (en) 2005-06-02 2006-05-29 Ink-jet authentication mark for a product or product packaging

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP05104784.3 2005-06-02
EP05104784A EP1728644B1 (fr) 2005-06-02 2005-06-02 Marque d'authentification à jet d'encre destinée à un produit ou à l'emballage d'un produit
US69422705P 2005-06-27 2005-06-27
US60/694,227 2005-06-27

Publications (1)

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WO2006128839A1 true WO2006128839A1 (fr) 2006-12-07

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WO (1) WO2006128839A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100124752A (ko) * 2008-03-04 2010-11-29 다이닛뽄도료가부시키가이샤 비수계 잉크젯용 잉크 조성물
US7992989B2 (en) * 2006-09-25 2011-08-09 Fujifilm Corporation Ink jet recording method and ink jet recording device
US8192803B2 (en) 2006-09-29 2012-06-05 Fujifilm Corporation Ink jet recording method and ink jet recording device
US8541063B2 (en) 2007-02-06 2013-09-24 Fujifilm Corporation Undercoat solution, ink-jet recording method and ink-jet recording device
EP2358541B1 (fr) 2008-12-19 2015-09-09 Mankiewicz Gebr. & Co. Gmbh & Co Kg Méthode pour appliquer un revêtement au moyen de procédés d'impression à jet d'encre
DE102020111389A1 (de) * 2019-12-27 2021-07-01 Great Computer Corp. Verfahren zur durchführung einer folienglättung nach dem drucken für uv-tintenstrahldrucker

Citations (4)

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Publication number Priority date Publication date Assignee Title
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