EP1197345B1 - Feuille d'enregistrement pour l'impression par jet d'encre - Google Patents

Feuille d'enregistrement pour l'impression par jet d'encre Download PDF

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Publication number
EP1197345B1
EP1197345B1 EP00810941A EP00810941A EP1197345B1 EP 1197345 B1 EP1197345 B1 EP 1197345B1 EP 00810941 A EP00810941 A EP 00810941A EP 00810941 A EP00810941 A EP 00810941A EP 1197345 B1 EP1197345 B1 EP 1197345B1
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EP
European Patent Office
Prior art keywords
alkyl
atoms
recording sheet
cation
sheet according
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.)
Expired - Lifetime
Application number
EP00810941A
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German (de)
English (en)
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EP1197345A1 (fr
Inventor
Kurt Baettig
Karl Peternell
Rolf Dr. Steiger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ilford Imaging Switzerland GmbH
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Ilford Imaging Switzerland GmbH
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Filing date
Publication date
Application filed by Ilford Imaging Switzerland GmbH filed Critical Ilford Imaging Switzerland GmbH
Priority to AT00810941T priority Critical patent/ATE277774T1/de
Priority to DE50008017T priority patent/DE50008017D1/de
Priority to EP00810941A priority patent/EP1197345B1/fr
Priority to JP2001293281A priority patent/JP2002178632A/ja
Priority to US09/974,642 priority patent/US6589637B2/en
Publication of EP1197345A1 publication Critical patent/EP1197345A1/fr
Application granted granted Critical
Publication of EP1197345B1 publication Critical patent/EP1197345B1/fr
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Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
    • B41M5/508—Supports
    • 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
    • B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
    • 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
    • B41M5/5227—Macromolecular coatings characterised by organic non-macromolecular additives, e.g. UV-absorbers, plasticisers, surfactants
    • 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
    • B41M5/5236—Macromolecular coatings characterised by the use of natural gums, of proteins, e.g. gelatins, or of macromolecular carbohydrates, e.g. cellulose
    • 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
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259—Silicic material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31942—Of aldehyde or ketone condensation product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31993—Of paper

Definitions

  • the present invention relates to new stabilizers for recording materials for inkjet printing containing porous inorganic oxides.
  • an ink jet becomes pressurized from a nozzle ejected the individual at a certain distance from the nozzle Droplet disintegrates.
  • the individual droplets are, depending on whether an image spot to be printed or not, deflected into a collecting container or up the recording material applied. This happens e.g. B. by the reason given digital data, droplets not required are electrically charged and then deflected into the collecting container in a static electrical field become.
  • the reverse procedure is also possible, with the uncharged Droplets are deflected into the collecting container.
  • Such recording materials available today do not meet all the requirements placed on them. In particular, the shelf life of the images made on these materials needs to be improved.
  • Such images are not particularly stable in contact with outside air, which normally contains sulfur dioxide and, especially in summer, photochemically generated impurities such as ozone and nitrogen oxides. In contact with the outside air, they are very strongly changed or even destroyed within a short period of time. These phenomena are described, for example, in the Hardcopy Supplies Journal, 6 (7), 35 (2000).
  • the inorganic Containing oxides are, for example, in the patent GB 2,088,777 derivatives of phenols and bisphenols are proposed.
  • the porous inorganic Containing oxides must be sufficiently soluble and with the other components the majority of the aqueous coating materials are well tolerated. she must be colorless or at most only slightly colored. Likewise must the additives maintain their quality over a long period of time and also with longer storage of the recording material or the pictures produced on it do not turn yellow. Furthermore, they must be non-toxic and harmless.
  • the aim of the invention is to provide recording materials with improved Shelf life in contact with outside air, the porous inorganic Contain oxides in which the image recorded thereon in supervision or Review is considered and which one carrier and at least one ink receiving layer thereon.
  • the recording materials according to the invention for inkjet printing contain in the applied layers next to the porous inorganic oxide and the unsubstituted or substituted 1,3-cyclohexanedione one or more Binder.
  • the unsubstituted or substituted 1,3-cyclohexanedione can in the ink receiving layer containing the porous inorganic oxide or in another layer of the recording material.
  • 1,3-Cyclohexanedione and 2-methyl-1,3-cyclohexanedione are preferred as additives.
  • Other compounds such as reducing agents, organic thio compounds and Inorganic thiocyanates or phenolic compounds can be added to those according to the invention Recording materials can be added.
  • the reducing agent and the organic thio compounds or inorganic Thiocyanates can be added to a reduction catalyst.
  • the invention describes a recording material for inkjet printing, the has one or more layers on a carrier, which, in addition to a porous inorganic oxide and binders in an ink-receiving layer, unsubstituted or contain substituted 1,3-cyclohexanedione.
  • a carrier which, in addition to a porous inorganic oxide and binders in an ink-receiving layer, unsubstituted or contain substituted 1,3-cyclohexanedione.
  • the porous inorganic Oxide and the unsubstituted or substituted 1,3-cyclohexanedione can be contained in the same or in different layers.
  • 1,3-Cyclohexanedione and 2-methyl-1,3-cyclohexanedione are particularly preferred as additives.
  • Such a recording material contains one or more of the compounds mentioned above. Their amount is 1 mg to 5,000 mg / m 2 , preferably 50 mg to 600 mg / m 2, of these compounds.
  • reducing agents can also be used such as ascorbic acid or phenylphosphinic acid in the recording material be used.
  • organic compounds can also be used Thio compounds, such as thioglycols or thiocarboxylic acids, in particular Thiodiethylene glycol or thiodipropionic acid, or inorganic thiocyanates, such as ammonium thiocyanate.
  • Thio compounds such as thioglycols or thiocarboxylic acids, in particular Thiodiethylene glycol or thiodipropionic acid, or inorganic thiocyanates, such as ammonium thiocyanate.
  • the organic ones Thio compounds or the inorganic thiocyanates still a reduction catalyst such as adding mandelic acid.
  • the compounds of the formulas Ia and Ib are preferred together with phenolic Compounds such as 2,6-dihydroxybenzoic acid used.
  • Examples of compounds of the formulas la and lb which are particularly suitable for use in recording materials are those of the formulas (1), (2), (3), (4), (5) and (6)
  • the additives according to the invention can either be in the form of aqueous, acidic solutions or for example in the form of their Li, Na or K salts, their salt with triethanolamine or their ammonium salt in neutral or basic solution in the Recording material are introduced, wherein the ammonium salt is substituted can be.
  • the compounds are not sufficiently water-soluble, they can be replaced by other, known methods can be added to the casting solutions. So can the compounds, for example, in a mixture of water and water-soluble or water-miscible organic solvents such as lower mono- or bis-alcohols, ketones, esters, amides dissolved or be emulsified.
  • Colloidal silicon oxide, colloidal aluminum oxide or colloidal aluminum oxide / hydroxide can be used as the porous inorganic oxide. Colloidal aluminum oxide or colloidal aluminum oxide / hydroxide are preferred. Particularly preferred as colloidal aluminum oxide is ⁇ -Al 2 O 3 and as colloidal AIOOH AIOOH reacted with rare earth salts, as described in patent application EP 0'875'394.
  • This porous aluminum oxide / hydroxide contains one or more elements of atomic number 57 to 71 of the Periodic Table of the Elements, preferably in an amount between 0.4 and 2.5 mole percent based on Al 2 O 3 .
  • This porous pseudo-boehmite contains one or more elements of atomic number 57 to 71 of the Periodic Table of the Elements, preferably in an amount between 0.4 and 2.5 mole percent based on Al 2 O 3 .
  • the binders are generally water-soluble polymers. Particularly preferred are film-forming polymers.
  • the water-soluble polymers include e.g. B. natural or made therefrom modified compounds such as albumin, gelatin, casein, starch, gum arabic, Sodium or potassium alginate, hydroxyethyl cellulose, carboxymethyl cellulose, ⁇ -, ⁇ - or ⁇ -cyclodextrin etc.
  • modified compounds such as albumin, gelatin, casein, starch, gum arabic, Sodium or potassium alginate, hydroxyethyl cellulose, carboxymethyl cellulose, ⁇ -, ⁇ - or ⁇ -cyclodextrin etc.
  • gelatin all known types of gelatin can be used, such as acidic Pig skin gelatin or alkaline bone gelatin, acidic or basic hydrolyzed gelatins, as well as substituted gelatins, e.g. B. phthalated, acetylated or carbamoylated gelatin, or reacted with trimellitic anhydride Gelatin.
  • a preferred natural binder is gelatin.
  • Synthetic binders can also be used and include, for example Polyvinyl alcohol, polyvinyl pyrrolidone, fully or partially saponified Compounds of copolymers of vinyl acetate and other monomers; Homopolymers or copolymers of unsaturated carboxylic acids such as (Meth) acrylic acid, maleic acid, crotonic acid, etc .; Homopolymers or copolymers from sulfonated vinyl monomers such. B. vinyl sulfonic acid, styrene sulfonic acid etc.
  • Homopolymers or copolymers of vinyl monomers can also be used of (meth) acrylamide; Homopolymers or copolymers of other monomers with ethylene oxide; polyurethanes; polyacrylamides; water soluble nylon polymers; Polyester; polyvinyl lactams; Acrylamide polymers; substituted polyvinyl alcohol; polyvinyl; Polymers of alkyl and sulfoalkyl acrylates and methacrylates; hydrolyzed polyvinyl acetates; polyamides; polyvinylpyridines; polyacrylic acid; copolymers with maleic anhydride; polyalkylene oxides; Copolymers with methacrylamide and copolymers with maleic acid can be used. All of these polymers can can also be used as mixtures.
  • Preferred synthetic binders are polyvinyl alcohol and polyvinyl pyrrolidone or their mixtures.
  • These polymers can be made with water-insoluble natural or synthetic high molecular weight compounds are mixed, especially with acrylic latices or styrene acrylic latices.
  • water-insoluble binders are not explicitly claimed, they should water-insoluble polymers are nevertheless regarded as a system component.
  • the above-mentioned polymers with crosslinkable groups can be prepared using a Crosslinker or hardener converted into practically water-insoluble layers become.
  • Such crosslinks can be covalent or ionic.
  • the networking or hardening of the layers allows a change in the physical layer properties, such as fluid intake, or resistance against shift injuries.
  • crosslinkers and hardeners become water-soluble on the basis of the crosslinked Polymers selected.
  • Organic crosslinkers and hardeners include e.g. B. aldehydes (such as formaldehyde, Glyoxal or glutaraldehyde); N-methylol compounds (such as dimethylol urea or methylol-dimethylhydantoin); Dioxanes (such as 2,3-dihydroxydioxane); reactive vinyl compounds (such as 1,3,5-trisacryloyl-hexahydro-s-triazine or bis- (vinylsulfonyl) methyl ether), reactive halogen compounds (such as 2,4-dichloro-6-hydroxy-s-triazine); epoxides; aziridines; Carbamoyl pyridine compounds or mixtures two or more of these crosslinkers mentioned.
  • aldehydes such as formaldehyde, Glyoxal or glutaraldehyde
  • N-methylol compounds such as dimethylol urea or methylol
  • Inorganic crosslinkers and hardeners include, for example, chrome alum, aluminum alum or boric acid.
  • the layers can also contain reactive substances that act of UV light, electron beams, X-rays or heat the layers network.
  • the layers can be further modified by adding fillers.
  • Fillers are e.g. B. kaolin, Ca or Ba carbonates, silicon dioxide, titanium dioxide, Bentonite, zeolite, aluminum silicate, calcium silicate or colloidal silicon dioxide.
  • inert organic particles such as plastic beads can be used. These beads can be made from polyacrylates, polyacrylamides, Polystyrene or various copolymers from acrylates and Styrene exist.
  • the fillers are based on the intended use selected images. Some of these fillers can be transparent Materials are not used. But they can have positive effects in Have oversight materials. Very often you can achieve this with the use of such fillers a desired matt surface.
  • the recording materials may further contain soluble metal salts, e.g. B. Alkaline earth or rare earth salts.
  • ink-receiving layer in the recording materials according to the invention applied to a support along with any auxiliary layers.
  • transparent supports are used from cellulose esters such as cellulose triacetate, cellulose acetate, cellulose propionate, or cellulose acetate / butyrate, polyesters such as polyethylene terephthalate or polyethylene naphthalate, Polyamides, polycarbonates, polyimides, polyolefins, polyvinyl acetals, Polyethers, polyvinyl chloride and polyvinyl sulfones.
  • polyesters especially because of polyethylene terephthalate or polyethylene naphthalate their excellent dimensional stability.
  • opaque supports used can, for example, baryta paper, with polyolefins coated papers, white opaque polyester such as B. Melinex® the DuPont can be used. Polyolefin-coated are particularly preferred Papers or white opaque polyester.
  • Substrate layer to provide the adhesion of the ink receiving layers to improve the wearer.
  • substrate layers are in the photographic Industry well known and includes e.g. B. terpolymers of vinylidene chloride, Acrylonitrile and acrylic acid or from vinylidene chloride, methyl acrylate and itaconic acid.
  • Uncoated papers of various types can also be used as supports that are great in their composition and in their properties May have differences.
  • Pigmented papers and glossy papers can also be used, as well as metal foils such.
  • the layers can also be made from textile fiber materials, for example Polyamides, polyester, cotton, viscose and wool can be applied.
  • the additive according to the invention can be added to any layer of the recording material be introduced.
  • the ink-receiving layers according to the invention are generally made of aqueous solutions or dispersions containing all the necessary components, cast. In many cases, wetting agents are added as sprue aids to to improve the casting behavior and the layer uniformity. Next to her These compounds can also have an effect during the casting process Have an influence on the image quality and can therefore be selected accordingly become. Although such surfactant compounds in the invention are not claimed, they still form an integral part of the Invention.
  • inventive ones Recording materials contain additional compounds to its properties continue to improve, such as optical brighteners for improvement the degree of whiteness, such as stilbenes, coumarins, triazines, oxazoles or others compounds known to those skilled in the art.
  • UV absorbers such as 2-hydroxybenzotriazoles, 2-hydroxybenzophenones, triazine derivatives or cinnamic acid derivatives, can be used to improve the light fastness.
  • the amount of the UV absorber is 200-2000 mg / m 2 , preferably 400-1000 mg / m 2 .
  • the UV absorber can be introduced into each layer of the recording material according to the invention, but it is particularly advantageous if it is introduced into the top layer.
  • the images produced in ink jet printing are produced by the Addition of radical scavengers, stabilizers, reducing agents and antioxidants can be protected.
  • radical scavengers such as sterically hindered Phenols, sterically hindered amines, chromanols, ascorbic acid, phosphinic acids and their derivatives, sulfur-containing compounds such as sulfides, mercaptans, Thiocyanates, thioamides or thioureas.
  • the compounds mentioned can be added to the casting solutions as aqueous solutions be added. If the compounds are not sufficiently water soluble, can be introduced into the casting solutions by other known methods become.
  • the compounds can be mixed with water organic solvents such as lower alcohols, glycols, ketones, esters or amides can be dissolved. It is also possible for the compounds to be fine-grained Dispersions, as oil emulsions, as cyclodextran inclusion compounds or as latex, which contains the compound, in the casting solution.
  • the recording material according to the invention normally has a dry layer thickness from 0.5 to 100 ⁇ m, but especially from 5 to 50 ⁇ m.
  • the casting solutions can be applied to the carrier in various ways become.
  • the casting processes include, for example, extrusion casting, the Air knife casting, the slot casting, the cascade casting and the curtain casting.
  • the casting solutions can also be applied using a spray process.
  • the ink-receiving layers can consist of several individual layers, which can be applied individually one after the other or together.
  • a carrier can also be coated on both sides with ink absorption layers. It is also possible to have an antistatic layer or a layer on the back Apply improvement of flatness.
  • the chosen casting process limits the invention in any way.
  • Inks for ink jet printing consist essentially of a liquid Carrier substance and a dye or pigment dissolved or dispersed therein.
  • the liquid vehicle for ink jet printing inks is general Water or a mixture of water and a water-miscible solvent such as ethylene glycol, higher molecular weight glycols, glycerin, Dipropylene glycol, polyethylene glycol, amides, polyvinylpyrrolidone, N-methylyrrolidone, Cyclohexylpyrrolidone, carboxylic acids and their esters, ethers, alcohols, organic Sulfoxides, sulfolane, dimethylformamide, dimethyl sulfoxide, cellosolve, polyurethanes, Acrylates etc.
  • the non-aqueous ink components generally serve as humectants, auxiliary solvents, Viscosity regulator, penetrant or drying accelerator.
  • the organic compounds mostly have a boiling point that is above that of water.
  • Inks for continuous inkjet printing can further contain inorganic or organic salts to increase the conductivity. Examples of such salts are nitrates, chlorides, phosphates, and the water-soluble ones Salts of water-soluble organic acids such as acetates, oxalates and citrates.
  • the dyes or pigments used to manufacture the together with the invention Inks can be used for recording materials can contain practically all known classes of these colored compounds. Typical examples of dyes or pigments used are in the patent application EP 0 559 324 listed.
  • the recording materials according to the invention can be used with almost all state of the art inks be used.
  • the inks can contain other additives such as surface-active Substances, optical brighteners, UV absorbers, light stabilizers, preservatives, Precipitants such as multi-charged metal compounds and polymers Links.
  • Disperal® (aluminum oxide / hydroxide, available from CONDEA GmbH, Hamburg, Germany) became more aqueous in 51 g at a temperature of 40 ° C Lactic acid solution (0.67%) was dispersed and then 17.1 g of a solution of polyvinyl alcohol (10%, degree of hydrolysis 98-99%, molecular weight 85,000 up to 146,000, available from ALDRICH Chemie, Buchs, Switzerland). The Final weight was adjusted to 100 g with deionized water and the solution Treated with ultrasound for 3 minutes.
  • 1 m 2 of the cast carrier contains, in addition to the other casting additives, 22.2 g of inorganic oxide, calculated as Al 2 O 3 , and 2.56 g of polyvinyl alcohol.
  • 1,3-cyclohexanedione and 2-methyl-1,3-cyclohexanedione are available from Acros Organics, Geel, Belgium available.
  • Ascorbic acid, mandelic acid, thiodiethylene glycol, thiodipropionic acid, Phenylphosphinic acid, 2,6-dihydroxybenzoic acid and ammonium thiocyanate are available from Fluka Chemie AG, Buchs, Switzerland.
  • Disperal® became more aqueous in 51 g at a temperature of 40 ° C Lactic acid solution (0.67%) and 2.7 g of the corresponding additional solution dispersed and then 17.1 g of a solution of polyvinyl alcohol (10%) was added. The final weight was adjusted to 100 g with deionized water and the solution is sonicated for 3 minutes.
  • 1 m 2 of the cast carrier contains, in addition to the other casting additives, 22.2 g of inorganic oxide, calculated as Al 2 O 3 , and 2.56 g of polyvinyl alcohol.
  • Disperal® were at a temperature of 40 ° C in 51 g aqueous lactic acid solution (0.67%) and 2.7 g of the additional solution of N, N-dimethyldithiocarbamic acid dispersed and then 17.1 g of a solution of polyvinyl alcohol (10%) added. The final weight was brought to 100 with deionized water g adjusted and the solution treated with ultrasound for 3 minutes.
  • 1 m 2 of the cast carrier contains, in addition to other casting additives, 22.2 g of inorganic oxide, calculated as Al 2 O 3 , and 2.56 g of polyvinyl alcohol.
  • Aerosil 200 available from DEGUSSA AG, Frankfurt / Main, Germany
  • Aerosil 200 available from DEGUSSA AG, Frankfurt / Main, Germany
  • aqueous lactic acid 60 g
  • aqueous lactic acid 60 g
  • an aqueous aluminum chlorohydrate solution 47.7%, made from aluminum chlorohydrate of the formula Al 2 (OH) 5 Cl • 2.5 H 2 O, which is available as Locron from Clariant AG, Muttenz, Switzerland
  • 6.5 g of potassium hydroxide solution (10%) were added and the final weight was adjusted to 100 g.
  • 1 m 2 of the cast carrier contains, in addition to the other casting additives, 12 g of positively charged SiO 2 and 2.8 g of polyvinyl alcohol.
  • each 100 g / m 2 of this casting solution was applied to a polyethylene-coated paper support at 40 ° C., and the coated support was then dried at 30 ° C. for 60 minutes.
  • 1 m 2 of the cast carrier contains, in addition to the other casting additives, 12 g of positively charged SiO 2 and 2.8 g of polyvinyl alcohol.
  • Aerosil 200 were dispersed at a temperature of 20 ° C. with stirring in 141.6 g of aqueous lactic acid (1%) with stirring using ultrasound. Then 6.57 g of aluminum chlorohydrate of the formula Al 2 (OH) 5 Cl • 2.5 H 2 O were added and the mixture was stirred at a temperature of 20 ° C. for 3 hours. 8.8 g of potassium hydroxide solution (10%) were then added with thorough stirring, and the final weight was set to 200 g 30 minutes later. The solution contains 20 percent by weight of positively charged SiO 2 .
  • 1 m 2 of the cast support contains, in addition to the other casting additives, 50 g of aluminum oxide / hydroxide doped with lanthanum (2.2 mol percent based on Al 2 O 3 ), 1.92 g of positively charged SiO 2 and 5.13 g of polyvinyl alcohol.
  • the recording materials according to the invention were printed using an inkjet printer EPSON STYLUS TM COLOR 750 in transparent mode (720 dpi) with original inks color fields printed with the tri-color black.
  • the printed samples were in average daylight from 1000 - 2000 Lux open on a table with moderate circulation of outside air during 2 Weeks left.
  • the loss of density was measured with an X-Rite® densitometer. He is called percentage loss of density of the three-color black with 50% density in the red channel based on the original density.
  • recording materials for inkjet printing which is the porous inorganic alumina / hydroxide Disperal® and the additives according to the invention contain (examples 2 - 12), much lower density losses in the red channel (severe destruction of the Cyan dye combined with a color change of the black color fields of black to brown-orange) show as a corresponding recording material, that no such addition (example 1) or an already known addition (Example 13) contains.
  • the recording materials according to the invention show no or at most a slight yellowing.
  • the recording material for inkjet printing contains much lower density losses in the red channel shows as a corresponding recording material that does not contain such an additive (Example 18).
  • the recording material according to the invention showed no yellowing.

Landscapes

  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)

Claims (10)

  1. Feuille d'enregistrement destinée à l'impression par jet d'encre, comprenant, sur un support, au moins une couche réceptrice d'encre composée de liants et d'un oxyde minéral poreux, caractérisée en ce que la feuille d'enregistrement contient des composés tautomères de formules la (forme dicétone) et Ib (forme énol)
    Figure 00260001
    où
    M
    représente un cation d'hydrogène, un cation métallique ou un cation ammonium optionnellement substitué par un ou plusieurs radicaux alkyle ou alkyle substitué ayant chacun de 1 à 18 atomes de carbone;
    R1
    représente un atome d'hydrogène, un radical alkyle ayant de 1 à 12 atomes de carbone, un radical alkyle substitué ayant de 2 à 6 atomes de carbone, dans lequel les substituants sont choisis parmi le groupe constitué du radical CN, du radical COOH, du radical OH et du radical COOR4, où R4 représente un radical alkyle ayant de 1 à 12 atomes de carbone
    et R2, R3
    représentent indépendamment un atome d'hydrogène, un radical alkyle ayant de 1 à 6 atomes de carbone ou un radical alkyle substitué ayant de 2 à 6 atomes de carbone dans lequel les substituants sont choisis parmi le groupe constitué du radical CN, du radical COOH, du radical OH et du radical COOR5, où R5 représente un radical alkyle ayant de 1 à 12 atomes de carbone.
  2. Feuille d'enregistrement selon la revendication 1, caractérisée en ce que
    M
    représente un cation d'hydrogène, un cation de Li, un cation de Na, un cation de K, un cation ammonium ou un cation triéthanol-ammonium;
    R1
    représente un atome d'hydrogène, un radical alkyle ayant de 1 à 3 atomes de carbone ou un radical alkyle substitué par un radical COOR4 ayant de 2 à 4 atomes de carbone, où R4 représente un radical alkyle ayant 1 ou 2 atomes de carbone;
    et
    R2, R3
    représentent indépendamment un atome d'hydrogène, un radical alkyle ayant 1 ou 2 atomes de carbone ou un radical alkyle substitué par un radical COOR5 ayant de 2 à 4 atomes de carbone, où R5 représente un radical alkyle ayant 1 ou 2 atomes de carbone.
  3. Feuille d'enregistrement selon la revendication 1, caractérisée en ce que
    M
    représente un cation d'hydrogène;
    R1
    représente un atome d'hydrogène ou un radical méthyle;
    et
    R2, R3
    représentent des atomes d'hydrogène.
  4. Feuille d'enregistrement selon les revendications 1 à 3, caractérisée en ce que la feuille d'enregistrement contient en supplément des agents réducteurs, des composés phénoliques, des composés organiques thio ou des thiocyanates minéraux.
  5. Feuille d'enregistrement selon la revendication 4, caractérisée en ce que la feuille d'enregistrement contient en supplément un catalyseur de réduction.
  6. Feuille d'enregistrement selon les revendications 1 à 5, caractérisée en ce que l'oxyde minéral poreux est l'oxyde d'aluminium colloïdal, l'oxyde/hydroxyde d'aluminium colloïdal ou le dioxyde de silicium chargé positivement.
  7. Feuille d'enregistrement selon les revendications 1 à 5, caractérisée en ce que l'oxyde minéral poreux est le γ-Al2O3 colloïdal ou la pseudo-bohémite..
  8. Feuille d'enregistrement selon les revendications 1 à 5, caractérisée en ce que l'oxyde minéral poreux est l'AIOOH ou la pseudo-bohémite modifiée avec des sels des métaux de terres rares qui contiennent les éléments ayant les numéros atomiques 57 à 71 de la classification périodique des éléments dans une quantité de 0.4 à 2.5 pour-cent molaires par rapport à l'Al2O3.
  9. Feuille d'enregistrement selon les revendications 1 à 8, caractérisée en ce que le liant est de la gélatine, de l'alcool polyvinylique ou de la polyvinylpyrrolidone ou des mélanges de ces composés.
  10. Feuille d'enregistrement selon les revendications 1 à 9, caractérisée en ce que le support est du papier enduit ou normal, du polyester transparent ou opaque ou des matériaux composés de fibres textiles.
EP00810941A 2000-10-11 2000-10-11 Feuille d'enregistrement pour l'impression par jet d'encre Expired - Lifetime EP1197345B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT00810941T ATE277774T1 (de) 2000-10-11 2000-10-11 Aufzeichnungsmaterial für den tintenstrahldruck
DE50008017T DE50008017D1 (de) 2000-10-11 2000-10-11 Aufzeichnungsmaterial für den Tintenstrahldruck
EP00810941A EP1197345B1 (fr) 2000-10-11 2000-10-11 Feuille d'enregistrement pour l'impression par jet d'encre
JP2001293281A JP2002178632A (ja) 2000-10-11 2001-09-26 インクジェット印刷用記録シート
US09/974,642 US6589637B2 (en) 2000-10-11 2001-10-10 Recording sheets for ink jet printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00810941A EP1197345B1 (fr) 2000-10-11 2000-10-11 Feuille d'enregistrement pour l'impression par jet d'encre

Publications (2)

Publication Number Publication Date
EP1197345A1 EP1197345A1 (fr) 2002-04-17
EP1197345B1 true EP1197345B1 (fr) 2004-09-29

Family

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US (1) US6589637B2 (fr)
EP (1) EP1197345B1 (fr)
JP (1) JP2002178632A (fr)
AT (1) ATE277774T1 (fr)
DE (1) DE50008017D1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1231071B1 (fr) 2001-02-12 2003-05-14 ILFORD Imaging Switzerland GmbH Feuille d'enregistrement pour l'impression par jet d'encre contenant des sels de cuivre
DE10251340B4 (de) * 2002-11-05 2004-12-02 Felix Schoeller Jr. Foto- Und Spezialpapiere Gmbh & Co. Kg Ink-Jet Aufzeichnungsblatt mit verbesserter Ozon- und Lichtstabilität
ATE292021T1 (de) 2003-01-10 2005-04-15 Ilford Imaging Ch Gmbh Aufzeichnungsmaterial für den tintenstrahldruck
ATE309916T1 (de) 2003-09-08 2005-12-15 Ilford Imaging Ch Gmbh Aufzeichnungsmaterial für den tintenstrahldruck
US7927675B2 (en) 2003-09-08 2011-04-19 Ilford Imaging Switzerland Gmbh Recording sheets for ink jet printing
US20050238826A1 (en) * 2004-04-27 2005-10-27 Yubai Bi Photo medium composition
EP1655348A1 (fr) 2004-10-13 2006-05-10 ILFORD Imaging Switzerland GmbH Feuille d'impression pour l'enregistrement par jet d'encre
WO2008144005A1 (fr) * 2007-05-16 2008-11-27 Thomson Licensing Appareil et procédé pour le codage et le décodage de signaux
EP2112204A1 (fr) 2008-03-01 2009-10-28 ILFORD Imaging Switzerland GmbH Feuille d'enregistrement pour l'impression par jet d'encre
EP2583820A1 (fr) * 2011-10-18 2013-04-24 ILFORD Imaging Switzerland GmbH Feuilles d'enregistrement biodégradables pour impression par jet d'encre

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Also Published As

Publication number Publication date
DE50008017D1 (de) 2004-11-04
EP1197345A1 (fr) 2002-04-17
US6589637B2 (en) 2003-07-08
JP2002178632A (ja) 2002-06-26
US20020064634A1 (en) 2002-05-30
ATE277774T1 (de) 2004-10-15

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