EP1375180A2 - Tintenstrahlaufzeichnungselement und Druckverfahren - Google Patents

Tintenstrahlaufzeichnungselement und Druckverfahren Download PDF

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Publication number
EP1375180A2
EP1375180A2 EP03076864A EP03076864A EP1375180A2 EP 1375180 A2 EP1375180 A2 EP 1375180A2 EP 03076864 A EP03076864 A EP 03076864A EP 03076864 A EP03076864 A EP 03076864A EP 1375180 A2 EP1375180 A2 EP 1375180A2
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EP
European Patent Office
Prior art keywords
recording element
ink jet
dispersion
metal
days
Prior art date
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Granted
Application number
EP03076864A
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English (en)
French (fr)
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EP1375180B1 (de
EP1375180A3 (de
Inventor
Krishamohan Eastman Kodak Company Sharma
Joseph F. Eastman Kodak Company Bringley
Christine Eastman Kodak Company Landry-Coltrain
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Eastman Kodak Co
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Eastman Kodak Co
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Priority claimed from US10/180,184 external-priority patent/US20040201664A1/en
Priority claimed from US10/180,752 external-priority patent/US7122231B2/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of EP1375180A2 publication Critical patent/EP1375180A2/de
Publication of EP1375180A3 publication Critical patent/EP1375180A3/de
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Publication of EP1375180B1 publication Critical patent/EP1375180B1/de
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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
    • B41M5/52—Macromolecular coatings
    • B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays

Definitions

  • the present invention relates to an ink jet recording element containing a stabilizer and a printing method using the element.
  • ink droplets are ejected from a nozzle at high speed towards a recording element or medium to produce an image on the medium.
  • the ink droplets, or recording liquid generally comprise a recording agent, such as a dye or pigment, and a large amount of solvent.
  • the solvent, or carrier liquid typically is made up of water and an organic material such as a monohydric alcohol, a polyhydric alcohol or mixtures thereof.
  • An ink jet recording element typically comprises a support having on at least one surface thereof an ink-receiving or image-receiving layer, and includes those intended for reflection viewing, which have an opaque support, and those intended for viewing by transmitted light, which have a transparent support.
  • porous recording elements have been developed which provide nearly instantaneous drying as long as they have sufficient thickness and pore volume to effectively contain the liquid ink.
  • a porous recording element can be manufactured by coating in which a particulate-containing coating is applied to a support and is dried.
  • EP 1 016 543 relates to an ink jet recording element containing aluminum hydroxide in the form of boehmite.
  • this element is not stable to light and exposure to atmospheric gases.
  • EP 0 965 460A2 relates to an ink jet recording element containing aluminum hydrate having a boehmite structure and a non-coupling zirconium compound.
  • a metal oxy(hydroxide) complex as described herein.
  • U.S. Patent 5,372,884 relates to ink jet recording elements containing a hydrous zirconium oxide.
  • a hydrous zirconium oxide there is a problem with such elements in that they tend to fade when subjected to atmospheric gases, as will be shown hereafter.
  • Still another ojbect of this invention is to provide a printing method using the above-described element.
  • an ink jet recording element comprising a support having thereon an image-receiving layer, the ink jet recording element containing finely divided particulate material and a metal(oxy)hydroxide complex, M n+ (O) a (OH) b (A p- ) c •xH 2 O, wherein M is at least one metal ion; n is 3 or 4; A is an organic or inorganic ion; p is 1, 2 or 3; and x is equal to or greater than 0; with the proviso that when n is 3, then a, b and c each comprise a rational number as follows: 0 ⁇ a ⁇ 1.5; 0 ⁇ b ⁇ 3; and 0 ⁇ pc ⁇ 3, so that the charge of the M 3+ metal ion is balanced; and when n is 4, then a, b and c each comprise a rational number as follows: 0 ⁇ a ⁇ 2;
  • an ink jet recording element is obtained that, when printed with dye-based inks, provides superior optical densities, good image quality and has an excellent dry time and image stability.
  • Another embodiment of the invention relates to an ink jet printing method comprising the steps of:
  • the stabilizer complex described above is located in the image-receiving layer.
  • M in the above formula is a Group IIIA, IIIB, IVA, IVB metal or a lanthanide group metal of the periodic chart, such as tin, titanium, zirconium, aluminum, silica, yttrium, cerium or lanthanum or mixtures thereof.
  • the stabilizer described above is in a particulate form or is in an amorphous form.
  • n is 4; a, b and c each comprise a rational number as follows: 0 ⁇ a ⁇ 1; 1 ⁇ b ⁇ 4; and 1 ⁇ pc ⁇ 4, so that the charge of the M 4+ metal ion is balanced.
  • a is 0, n is 4, and b+pc is 4.
  • a is 0, n is 3, and b+pc is 3.
  • a p- is an organic anion such as R-COO - , R-O - , R-SO 3 - , R-OSO 3 - or R-O-PO 3 - where R is an alkyl or aryl group.
  • a p- is an inorganic anionic such as I - , Cl - , Br - , F - , ClO 4 - , NO 3 - , CO 3 2- or SO 4 2- .
  • the particle size of the complex described above is less than 1 ⁇ m, preferably less than.0. 1 ⁇ m.
  • Metal (oxy)hydroxide complexes employed herein may be prepared by dissolving a metal salt in water and adjusting the concentration, pH, time and temperature to induce the precipitation of metal (oxy)hydroxide tetramers, polymers or particulates.
  • concentration, pH, time and temperature may be adjusted to induce the precipitation of metal (oxy)hydroxide tetramers, polymers or particulates.
  • the conditions for precipitation vary depending upon the nature and concentrations of the counter ion(s) present and can be determined by one skilled in the art.
  • soluble complexes suitable for preparation of the zirconium (oxy)hydroxide particulates include, but are not limited to, ZrOCl 2 ⁇ 8H 2 O, and the halide, nitrate, acetate, sulfate, carbonate, propionate, acetylacetonate, citrate and benzoate salts; and hydroxy salts with any of the above anions. It is also possible to prepare the complexes employed in the invention via the hydrolysis of organically soluble zirconium complexes such as zirconium alkoxides, e.g., zirconium propoxide, zirconium isopropoxide, zirconium ethoxide and related organometallic zirconium compounds.
  • zirconium alkoxides e.g., zirconium propoxide, zirconium isopropoxide, zirconium ethoxide and related organometallic zirconium compounds.
  • the hydrolyzed zirconium oxyhydroxides may exist as tetrameric zirconia units or as polymeric complexes of tetrameric zirconia, wherein zirconium cations are bridged by hydroxy and/or oxo groups.
  • hydrolyzed zirconia salts are amorphous and may exist predominantly in the ⁇ form. However, depending upon the experimental conditions (solvents, pH, additives, aging and heating conditions), the hydrolyzed product may contain significant number of "oxo" bridges.
  • oligomeric or polymeric units of metal complexes may be condensed via hydrolysis reactions to form larger particulates ranging in size from 3 nm to 500 nm.
  • particulates ranging in size from 0.500 ⁇ m to 5.0 ⁇ m.
  • Preferred particles sizes are in the range from 5 nm to 1000 nm. Calcination of amorphous metal (oxy)hydroxide leads to the formation of crystalline polymorphs of metal oxides.
  • the finely divided particulate material is a water-insoluble inorganic solid or polymeric material, such as a metal oxide or an inorganic mineral.
  • water-insoluble inorganic solids include any inorganic oxide, such as silica, colloidal silica, fumed silica, alumina, hydrous alumina, colloidal alumina, fumed alumina, calcium carbonate, kaolin, talc, calcium sulfate, natural or synthetic clay, barium sulfate, titanium dioxide, zinc oxide, or mixtures thereof.
  • polymeric materials which can be used in the invention as particulate materials include latex particles and core-shell latex particles, such as polyolefins, polyethylene, polypropylene, polystyrene, poly(styrene-co-butadiene), polyurethane, polyester, poly(acrylate), poly(methacrylate), copolymers of n-butylacrylate and ethylacrylate, copolymers of vinylacetate and n-butylacrylate, copolymers of methyl methacrylate and sodium 2-sulfo-1,1-dimethylethyl acrylamide, and copolymers of ethyl acrylate, vinylidene chloride and sodium 2-sulfo-1,1-dimethylethyl acrylamide or mixtures thereof.
  • These polymers can be internally crosslinked or uncrosslinked. It is preferable that uncrosslinked latex particles have a film formation temperature above 25 °C.
  • the polymeric particles and inorganic particles useful in the invention can be of any size.
  • the mean particle diameter is less than 1 ⁇ m. Mixtures of organic and inorganic particles may also be used.
  • the image-receiving layer is porous and also contains a polymeric binder in an amount insufficient to alter the porosity of the porous receiving layer.
  • the polymeric binder is a hydrophilic polymer such as poly(vinyl alcohol), poly(vinyl pyrrolidone), gelatin, cellulose ethers, poly(oxazolines), poly(vinylacetamides), partially hydrolyzed poly(vinyl acetate/vinyl alcohol), poly(acrylic acid), poly(acrylamide), poly(alkylene oxide), sulfonated or phosphated polyesters and polystyrenes, casein, zein, albumin, chitin, chitosan, dextran, pectin, collagen derivatives, collodian, agar-agar, arrowroot, guar, carrageenan, tragacanth, xanthan, rhamsan and the like.
  • the hydrophilic polymer is poly(vinyl alcohol), hydroxypropyl cellulose, hydroxypropyl methyl cellulose, or a poly(alkylene oxide).
  • the hydrophilic binder is poly(vinyl alcohol).
  • the recording element may also contain a base layer, next to the support, the function of which is to absorb the solvent from the ink.
  • Materials useful for this layer include particles, polymeric binder and/or crosslinker.
  • the support for the ink jet recording element used in the invention can be any of those usually used for ink jet receivers, such as resin-coated paper, paper, polyesters, or microporous materials such as polyethylene polymer-containing material sold by PPG Industries, Inc., Pittsburgh, Pennsylvania under the trade name of Teslin ®, Tyvek ® synthetic paper (DuPont Corp.), and OPPalyte® films (Mobil Chemical Co.) and other composite films listed in U.S. Patent 5,244,861.
  • Opaque supports include plain paper, coated paper, synthetic paper, photographic paper support, melt-extrusion-coated paper, and laminated paper, such as biaxially oriented support laminates. Biaxially oriented support laminates are described in U.S.
  • biaxially oriented supports include a paper base and a biaxially oriented polyolefin sheet, typically polypropylene, laminated to one or both sides of the paper base.
  • Transparent supports include glass, cellulose derivatives, e.g., a cellulose ester, cellulose triacetate, cellulose diacetate, cellulose acetate propionate, cellulose acetate butyrate; polyesters, such as poly(ethylene terephthalate), poly(ethylene naphthalate), poly(1,4-cyclohexanedimethylene terephthalate), poly(butylene terephthalate), and copolymers thereof; polyimides; polyamides; polycarbonates; polystyrene; polyolefins, such as polyethylene or polypropylene; polysulfones; polyacrylates; polyetherimides; and mixtures thereof.
  • the papers listed above include a broad range of papers, from high end papers, such as photographic paper to low end papers, such as newsprint. In a preferred embodiment, polyethylene-coated paper is employed.
  • the support used in the invention may have a thickness of from 50 to 500 ⁇ m, preferably from 75 to 300 ⁇ m.
  • Antioxidants, antistatic agents, plasticizers and other known additives may be incorporated into the support, if desired.
  • the surface of the support may be subjected to a corona-discharge treatment prior to applying the image-receiving layer.
  • Coating compositions employed in the invention may be applied by any number of well known techniques, including dip-coating, wound-wire rod coating, doctor blade coating, gravure and reverse-roll coating, slide coating, bead coating, extrusion coating, curtain coating and the like.
  • Known coating and drying methods are described in further detail in Research Disclosure no. 308119, published Dec. 1989, pages 1007 to 1008.
  • Slide coating is preferred, in which the base layers and overcoat may be simultaneously applied. After coating, the layers are generally dried by simple evaporation, which may be accelerated by known techniques such as convection heating.
  • crosslinkers that act upon the binder discussed above may be added in small quantities. Such an additive improves the cohesive strength of the layer.
  • Crosslinkers such as carbodiimides, polyfunctional aziridines, aldehydes, isocyanates, epoxides, polyvalent metal cations, and the like may all be used.
  • UV absorbers may also be added to the image-receiving layer as is well known in the art.
  • Other additives include inorganic or organic particles, pH modifiers, adhesion promoters, rheology modifiers, surfactants, biocides, lubricants, dyes, optical brighteners, matte agents, antistatic agents, etc.
  • additives known to those familiar with such art such as surfactants, defoamers, alcohol and the like may be used.
  • a common level for coating aids is 0.01 to 0.30 % active coating aid based on the total solution weight.
  • These coating aids can be nonionic, anionic, cationic or amphoteric. Specific elements are described in MCCUTCHEON's Volume 1: Emulsifiers and Detergents, 1995, North American Edition.
  • the ink receiving layer employed in the invention can contain one or more mordanting species or polymers.
  • the mordant polymer can be a soluble polymer, a charged molecule, or a crosslinked dispersed microparticle.
  • the mordant can be non-ionic, cationic or anionic.
  • the coating composition can be coated either from water or organic solvents, however water is preferred.
  • the total solids content should be selected to yield a useful coating thickness in the most economical way, and for particulate coating formulations, solids contents from 10-40% are typical.
  • the ink jet inks used to image the recording elements of the present invention are well-known in the art.
  • the ink compositions used in ink jet printing typically are liquid compositions comprising a solvent or carrier liquid, dyes or pigments, humectants, organic solvents, detergents, thickeners, preservatives, and the like.
  • the solvent or carrier liquid can be solely water or can be water mixed with other water-miscible solvents such as polyhydric alcohols.
  • Inks in which organic materials such as polyhydric alcohols are the predominant carrier or solvent liquid may also be used. Particularly useful are mixed solvents of water and polyhydric alcohols.
  • the dyes used in such compositions are typically watersoluble direct or acid type dyes.
  • Such liquid compositions have been described extensively in the prior art including, for example, U.S. Patents 4,381,946; 4,239,543 and 4,781,758.
  • the dye used for testing was a magenta colored ink jet dye having the structure shown below.
  • a measured amount of the ink jet dye and solid particulates or aqueous colloidal dispersions of solid particulates were added to a known amount of water such that the concentration of the dye was about 10 -5 M.
  • the solid dispersions containing dyes were carefully stirred and then spin coated onto a glass substrate at a speed of 1000-2000 rev/min.
  • the spin coatings obtained were left in ambient atmosphere with fluorescent room lighting (about 0.5 Klux) kept on at all times during the measurement.
  • the fade time was estimated by noting the time required for complete disappearance of magenta color as observed by the naked eye or by noting the time required for the optical absorption to decay to less than 0.03 of the original value.
  • Inorganic particles of Al 2 O 3 , SiO 2 , TiO 2 , ZnO, MgO, ZrO 2 , Y 2 O 3 , CeO 2 , CaCO 3 , BaSO 4 , Zn(OH) 2 , laponite and montmorillonite were purchased from commercial sources as fine particles or as colloidal particulate dispersions and were used to evaluate the stability of ink jet dyes in comparison with the materials employed in the present invention. The compositions and chemical identity of the samples was confirmed using powder X-ray diffraction techniques. The particulates were then coated and tested and the results are shown in Table 1.
  • Zr1 Zr(OH) b (CH 3 COO) c •xH 2 O: A 10% colloidal dispersion of zirconium(iv)acetate hydroxide was made by adding 1.0 g of the salt in 9 ml of distilled water at room temperature. The resulting colloid is hereafter referred to as "Zr1". The resultant dispersion with pH ca. 4.1 was then coated and tested as described above and the results shown in Table 1 below.
  • Zr2 Zr(O) a (OH) b (CH 3 COO) 0.83 (Cl) 1.17 •xH 2 O: To a 10.0 ml solution of 1M ZrOCl 2 .8H 2 O, 8.3 ml of 1M sodium acetate was gradually added and vigorously stirred at room temperature. The resulting colloid is hereafter referred to as "Zr2". The final colloidal dispersion with (ca. 14% solids) pH ca. 3.0 was then coated and tested as described above and the results shown in Table 1 below.
  • Zr3 Zr(O) a (OH) b (Cl) 1.83 •xH 2 O: To a 10.0 ml solution of 0.5 M ZrOCl 2 .8H 2 O, 1.7 ml of 0.5 M sodium hydroxide was gradually added while vigorously stirring at room temperature. The resulting colloid is hereafter referred to as "Zr3". The resultant colloidal dispersion (ca. 19% solids) with pH 3.6 was then coated and tested as described above and the results shown in Table 1 below.
  • Coating Particle(s) Fade Time Hue Change C-1 Al 2 O 3 18 hours No C-2 SiO 2 18 hours No C-3 TiO 2 18 hours No C-4 ZnO 2 days No C-5 MgO 18 hours No C-6 ZrO 2 18 hours No C-6 Y 2 O 3 7 days No C-8 CeO 2 7 days No C-9 CaCO 3 5 days Yes C-10 BaSO 4 6 days Yes C-11 Zn(OH) 2 5 days Yes C-12 Laponite 4 days No C-13 Montmorillonite 18 hours Yes C-14 Zr(OH) b (CH 3 COO) c •xH 2 O, b+c 4 > 30 days No C-15 Zr(O) a (OH) b (CH 3 CH 2 COO) 0.83 •(Cl) 1.17 •xH 2 O > 30 days No C-16 Zr(O) a (OH) b (Cl) 1.83 •xH 2 O > 30 days No I-1 SiO 2 :Zr1 (20:1) 16 days No I-2 SiO 2 :Zr1 (10
  • a coating composition was prepared from 20.9 wt. % of an aqueous dispersion of zirconium(oxy)hydroxyacetate (a 20 wt. % aqueous dispersion from Alfa Aesar, lot # D03K29; 0.005-0.01 ⁇ m particles), 41.8 wt. % of a fumed alumina solution (40 wt. % alumina in water, Cab-O-Sperse® PG003 from Cabot Corporation), 3.1 wt. % poly(vinyl alcohol) (PVA) (Gohsenol® GH-23 from Nippon Gohsei Co.), and 34.2 wt. % water.
  • PVA poly(vinyl alcohol)
  • the relative proportions of zirconia to alumina are 20/80, and the amount of PVA is 13.0 wt % of all solids].
  • the solution was metered to a slot-die coating apparatus and coated onto a stationary base support comprised of a polyethylene resin coated photographic paper stock, which had been previously subjected to corona discharge treatment, and dried to remove substantially all solvent components to form the ink receiving layer.
  • This element was prepared the same as Element 1 except that the coating composition was 13.1 wt. % of Zr100/20 (a 20 wt. % aqueous colloidal suspension of zirconia nitrate (from Nyacol® Nano Technologies, Inc), 26.1 wt. % of a fumed alumina solution (40 wt. % alumina in water, Cab-O-Sperse® PG003 from Cabot Corporation), 1.9 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 58.9 wt. % water. [The relative proportions of zirconia to alumina are 20/80, and the amount of PVA is 13.0 wt % of all solids].
  • This element was prepared the same as Element 1 except that the coating composition was 61.2 wt. % of the aqueous dispersion of zirconium(oxy)hydroxyacetate, 3.3 wt. % of silica (a 40 wt. % aqueous colloidal suspension of Nalco2329® (75 nm silicon dioxide particles) from Nalco Chemical Co.), 2.4 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 33.1 wt. % water. [The relative proportions of zirconia to silica are 90/10, and the amount of PVA is 15.0 wt % of all solids].
  • This element was prepared the same as Element 1 except that the coating composition was 54.3 wt. % of the aqueous dispersion of zirconium(oxy)hydroxyacetate, 6.8 wt. % of silica (a 40 wt. % aqueous colloidal suspension of Nalco2329® (75 nm silicon dioxide particles) from Nalco Chemical Co.), 2.4 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 36.5 wt. % water. [The relative proportions of zirconia to silica are 80/20, and the amount of PVA is 15.0 wt % of all solids].
  • This element was prepared the same as Element 1 except that the coating composition was 6.8 wt. % of the aqueous dispersion of zirconium(oxy)hydroxyacetate, 30.7 wt. % of a fumed alumina solution (40 wt. % alumina in water, Cab-O-Sperse® PG003 from Cabot Corporation), 2.4 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 60.1 wt. % water. [The relative proportions of zirconia to alumina are 10/90, and the amount of PVA is 15.0 wt % of all solids].
  • This element was prepared the same as Element 1 except that the coating composition was 13.7 wt. % of the aqueous dispersion of zirconium(oxy)hydroxyacetate, 27.2 wt. % of a fumed alumina solution (40 wt. % alumina in water, Cab-O-Sperse® PG003 from Cabot Corporation), 2.4 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 56.7 wt. % water. [The relative proportions of zirconia to alumina are 20/80, and the amount of PVA is 15.0 wt % of all solids].
  • This element was prepared the same as Element 1 except that the coating composition was 15.7 wt. % of a fumed Zirconia (a 30 wt. % aqueous suspension from Degussa, lot # 007-80, ID # 1TM106), 47.0 wt. % of a fumed alumina solution (40 wt. % alumina in water, Cab-O-Sperse® PG003 from Cabot Corporation), 3.5 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 33.8 wt. % water. [The relative proportions of zirconia to alumina are 20/80, and the amount of PVA is 13.0 wt % of all solids].
  • a fumed Zirconia a 30 wt. % aqueous suspension from Degussa, lot # 007-80, ID # 1TM106
  • This element was prepared the same as Element 1 except that the coating composition 63.1 wt. % of a fumed alumina solution (40 wt. % alumina in water, Cab-O-Sperse® PG003 from Cabot Corporation), 3.8 wt. % PVA (Gohsenol® GH-23 from Nippon Gohsei Co.), and 33.1 wt. % water. [The relative proportions of alumina to PVA are therefore 87/13 by weight].
  • a fumed alumina solution 40 wt. % alumina in water, Cab-O-Sperse® PG003 from Cabot Corporation
  • PVA Gohsenol® GH-23 from Nippon Gohsei Co.
  • 33.1 wt. % water 33.1 wt. % water.
  • This element was prepared the same as Element 1 except that the coating composition was 74.0 wt. % of the aqueous dispersion of zirconium(oxy)hydroxyacetate, 2.2 wt. % PVA (Gohsenol® GH-17 from Nippon Gohsei Co.), and 23.8 wt. % water. [The relative proportions of zirconia to PVA are therefore 87/13 by weight].
  • This element was prepared the same as Element 1 except that the coating composition was 34.0 wt. % of silica (a 40 wt. % aqueous colloidal suspension of Nalco2329® (75 nm silicon dioxide particles) from Nalco Chemical Co.), 2.4 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 63.6 wt. % water. [The relative proportions of silica to PVA are 85/15].
  • This element was prepared the same as Element 1 except that the coating composition was 68.0 wt. % of the aqueous dispersion of zirconium(oxy)hydroxyacetate, 2.4 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 29.6 wt. % water. [The relative proportions of zirconia to PVA are 85/15].
  • This element was prepared the same as Element 1 except that the coating composition was 34.0 wt. % of a fumed alumina solution (40 wt. % alumina in water, Cab-O-Sperse® PG003 from Cabot Corporation), 2.4 wt. % PVA, (Gohsenol® GH-23 from Nippon Gohsei Co.), and 63.6 wt. % water. [The relative proportions of alumina to PVA are 85/15].
  • Example 1 The above elements and control elements of Example 1 were printed using a Lexmark Z51 inkjet printer and a cyan inkjet ink, prepared using a standard formulation with a copper phthalocyanine dye (Clariant Direct Turquoise Blue FRL-SF), and a magenta ink, prepared using a standard formulation with Dye 6 from U.S. Patent 6,001,161. (This is the same dye as shown in the structure at the beginning of the examples). The red channel density (cyan) patches and green channel density (magenta) patches at D-max (the highest density setting) were read using an X-Rite ® 820 densitometer. The printed elements were then subjected to 4 days exposure to a nitrogen flow containing 5 ppm ozone.

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  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)
EP20030076864 2002-06-26 2003-06-16 Tintenstrahlaufzeichnungselement und Druckverfahren Expired - Lifetime EP1375180B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US180184 2002-06-26
US180752 2002-06-26
US10/180,184 US20040201664A1 (en) 2002-06-26 2002-06-26 Ink jet printing method
US10/180,752 US7122231B2 (en) 2002-06-26 2002-06-26 Ink jet recording element

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EP1375180A2 true EP1375180A2 (de) 2004-01-02
EP1375180A3 EP1375180A3 (de) 2005-07-20
EP1375180B1 EP1375180B1 (de) 2007-03-21

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US5888643A (en) 1997-05-23 1999-03-30 Eastman Kodak Company Controlling bending stiffness in photographic paper
US5888681A (en) 1997-05-23 1999-03-30 Eastman Kodak Company Photographic element with microvoided sheet of opalescent appearance
EP0965460A2 (de) 1998-06-18 1999-12-22 Canon Kabushiki Kaisha Aufzeichnungsmedium, Bilderzeugungsverfahren damit, Herstellungsverfahren dafür, Aluminiumoxiddispersion und Herstellungsverfahren dafür
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EP1375180B1 (de) 2007-03-21
DE60312601T2 (de) 2007-12-06
DE60312601D1 (de) 2007-05-03
JP2004025882A (ja) 2004-01-29
EP1375180A3 (de) 2005-07-20

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