EP1418057B1 - Elément d'enregistrement par jet d'encre et méthode d'impression - Google Patents

Elément d'enregistrement par jet d'encre et méthode d'impression Download PDF

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Publication number
EP1418057B1
EP1418057B1 EP20030078376 EP03078376A EP1418057B1 EP 1418057 B1 EP1418057 B1 EP 1418057B1 EP 20030078376 EP20030078376 EP 20030078376 EP 03078376 A EP03078376 A EP 03078376A EP 1418057 B1 EP1418057 B1 EP 1418057B1
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European Patent Office
Prior art keywords
ink jet
polymer particles
particle size
image
ink
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EP20030078376
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German (de)
English (en)
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EP1418057A2 (fr
EP1418057A3 (fr
Inventor
Hwei-Ling Eastman Kodak Company Yau
David E. Eastman Kodak Company Decker
Xiaoru Eastman Kodak Company Wang
Wendy S. Eastman Kodak Company Krzemien
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Eastman Kodak Co
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Eastman Kodak Co
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Priority claimed from US10/289,607 external-priority patent/US6869178B2/en
Priority claimed from US10/289,862 external-priority patent/US6861114B2/en
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Publication of EP1418057A3 publication Critical patent/EP1418057A3/fr
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    • 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
    • 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 present invention relates to a porous ink jet recording element containing two types of polymer particles 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 cast coating, in which a particulate-containing coating is applied to a support and is dried in contact with a polished smooth surface.
  • Ink jet prints prepared by printing onto ink jet recording elements, are subject to environmental degradation. They are especially vulnerable to damage resulting from contact with water and atmospheric gases such as ozone. The damage resulting from the post imaging contact with water can take the form of water spots resulting from deglossing of the top coat, dye smearing due to unwanted dye diffusion, and even gross dissolution of the image recording layer. Ozone bleaches ink jet dyes resulting in loss of density. To overcome these deficiencies ink jet prints are often laminated. However, lamination is expensive since it requires a separate roll of material. Print protection can also be provided by coating a polymer solution or dispersion onto the surface of an ink jet element after the image is formed. The aqueous coating solutions are often polymer dispersions capable of film formation when water is removed. However, due to the wide variety of surface properties, it is difficult to formulate an aqueous polymer solution to be universally compatible to all ink jet receivers.
  • ink jet recording elements having a two layer construction, such as described in EP 1078775A2, JP59222381 and US4832984 have been employed. These elements typically have a porous ink transporting topcoat of thermally fusible particles residing on either a swellable or porous ink-retaining layer. Upon printing, the ink passes through the topcoat and into an ink-retaining layer. The topcoat layer is then sealed to afford a water and stain resistant print.
  • Such topcoats containing thermally fusible particles typically either contain a binder or are thermally sintered to provide a level of mechanical integrity to the layer prior to the imaging and fusing steps.
  • JP 256099694 discloses an ink jet recording element wherein the image-receiving layer contains latex or wax particles of 0.1 to 5.0 ⁇ m in diameter. While this recording element has a porous surface, the image-receiving layer has very poor integrity and tends to powder off the support which creates image defects.
  • EP 0858905 A1 discloses the preparation of a recording medium comprising a porous outermost layer by coating and drying a particulate thermoplastic resin above its glass transition temperature (Tg), but below its minimum film formation temperature (MFFT).
  • Tg glass transition temperature
  • MFFT minimum film formation temperature
  • EP 0858906 relates to a base material, a porous ink-receiving layer and a porous surface layer having good ink capacity. However, it would be desirable to obtain good ink capacity without the need of using a separate ink-receiving layer.
  • Another object of the invention is to provide a printing method using the above described element.
  • an ink jet recording element comprising a support having thereon a fusible, porous, image-receiving layer comprising at least two types of hydrophobic polymer particles having different glass transition temperatures, the first type of hydrophobic polymer particles having a Tg higher than 60° C that is substantially monodisperse and the second type of hydrophobic polymer particles having a Tg lower than 25° C.
  • a porous ink jet recording element is obtained that, when printed with an ink jet ink, is "instant" dry to the touch, has good image quality, and after fusing, has satisfactory abrasion and water-resistance.
  • the elements of the invention are especially suitable for ink jet transparency media and medical imaging media.
  • the first type of hydrophobic polymer particles used in the invention which is substantially monodisperse can be prepared, for example, by emulsion polymerization of ethylenically unsaturated monomers with or without surfactants. Any suitable ethylenically unsaturated monomer or mixture of monomers may be used in making monodisperse polymer particles.
  • water soluble monomers Up to 5% by weight based on total monomer mixture of water soluble monomers can also be copolymerized to improve particles stability.
  • preferred water soluble comonomers are ethylenic unsaturated salts of sulfonate or sulfate (such as sodium acrylamide-2-methylpropane-sulfonate, sodium vinylbenzenesulfonate, potassium vinylbenzylsulfonate, sodium vinylsulfonate); mono-ethylenic unsaturated compounds (such as acrylonitrile, methacrylonitrile), and mono-ethylenic unsaturated carboxylic acid(such as acrylic acid, methacrylic acid, itaconic acid, maleic acid).
  • sulfonate or sulfate such as sodium acrylamide-2-methylpropane-sulfonate, sodium vinylbenzenesulfonate, potassium vinylbenzylsulfonate, sodium vinylsulfonate
  • monomers containing a UV absorbing moiety, antioxidant moiety or crosslinking moiety may be used in forming the monodisperse polymer particles in order to improve light fastness of the image or other performance.
  • UV absorbing monomers that can be used include the following:
  • Typical crosslinking monomers which can be used in forming the monodisperse polymer particles employed in the invention include aromatic divinyl compounds such as divinylbenzene, divinylnaphthalene or derivatives thereof; diethylene carboxylate esters and amides such as ethylene glycol dimethacrylate, diethylene glycol diacrylate, and other divinyl compounds such as divinyl sulfide or divinyl sulfone compounds. Divinylbenzene and ethylene glycol dimethacrylate are especially preferred.
  • Examples of a monodisperse polymer particle preparation can be found in "Emulsion Polymerization and Emulsion Polymers", P. A. Lovell and M. S. El-Aasser, John Wiley & Sons, Ltd., 1997, and U.S. Patent 4,415,700.
  • the monodisperse polymer particles used in the invention are non-porous.
  • non-porous is meant a particle that is either void-free or not permeable to liquids. These particles can have either a smooth or a rough surface.
  • the second type of hydrophobic polymer having a Tg of less than 25° C used in the present invention can be a latex or a hydrophobic polymer of any composition that can be stabilized in an water-based medium.
  • Such hydrophobic polymers are generally classified as either condensation polymers or addition polymers.
  • Condensation polymers include, for example, polyesters, polyamides, polyurethanes, polyureas, polyethers, polycarbonates, polyacid anhydrides, and polymers comprising combinations of the above-mentioned types.
  • Addition polymers are polymers formed from polymerization of vinyl-type monomers as described above for preparing monodisperse polymer particles.
  • Polymers comprising monomers which form water-insoluble homopolymers are preferred, as are copolymers of such monomers.
  • Preferred polymers may also comprise monomers which give water-soluble homopolymers, if the overall polymer composition is sufficiently water-insoluble to form a latex.
  • the aqueous phase of the latex or colloidal dispersion of the invention may contain water-soluble polymers in order to control, for example, the viscosity and flow characteristics.
  • the aqueous phase may also include surfactants of the cationic, anionic, zwitterionic or non-ionic types. Further listings of suitable monomers for addition type polymers are found in U.S. Patent 5,594,047.
  • the Tg of the first type of polymer particle is from 60° C to 140°C.
  • the Tg of the second hydrophobic polymer is from -60° C to 25°C.
  • the monodisperse polymer particles having a Tg of from 60° C to 140° C have an average particle size of from 0.2 ⁇ m to 2 ⁇ m. The average particle size is defined as the size (or diameter) that 50% by volume of particles are smaller than.
  • the monodisperse polymer particles have a decade ratio of less than 2, where the decade ratio is an index of monodispersity and is defined as the ratio of the particle size at the 90 th percentile of the particle size distribution curve to the particle size at the 10 th percentile. Percentile is defined as the given percent of the volume that is smaller than the indicated size.
  • the weight ratio of the high Tg monodisperse polymer particles to the low Tg hydrophobic polymer is from 10:1 to 2.5:1
  • the fusible, porous ink-receiving layer is heat and/or pressure fused to form a substantially continuous, transparent layer on the surface. Upon fusing, this layer is rendered non-light scattering. Fusing may be accomplished in any manner which is effective for the intended purpose.
  • a description of a fusing method employing a fusing belt can be found in U.S. Patent 5,258,256, and a description of a fusing method employing a fusing roller can be found in U.S. Patent 4,913,991.
  • fusing is accomplished by contacting the surface of the element with a heat fusing member, such as a fusing roller or fusing belt.
  • a heat fusing member such as a fusing roller or fusing belt.
  • fusing can be accomplished by passing the element through a pair of heated rollers, heated to a temperature of 60 °C to 160 °C, using a pressure of 5 to 15 MPa at a transport rate of 0.005 m/s to 0.5 m/s.
  • the image-receiving layer may also contain additives such as pH-modifiers, rheology modifiers, surfactants, UV-absorbers, biocides, lubricants, waxes, dyes, optical brighteners, etc.
  • additives such as pH-modifiers, rheology modifiers, surfactants, UV-absorbers, biocides, lubricants, waxes, dyes, optical brighteners, etc.
  • the image-receiving layer may be applied to one or both substrate surfaces through conventional pre-metered or post-metered coating methods such as blade, air knife, rod, roll, slot die, curtain, slide, etc.
  • coating process would be determined from the economics of the operation and in turn, would determine the formulation specifications such as coating solids, coating viscosity, and coating speed.
  • the image-receiving layer thickness before fusing may range from 10 to 100 ⁇ m, preferably from 20 to 70 ⁇ m.
  • the coating thickness required is determined through the need for the coating to act as a sump for absorption of ink solvent.
  • the image-receiving layer is coated in an amount of from 10 g/m 2 to 60 g/m 2 .
  • the pore volume of the fusible, porous, image-receiving layer in general is from 5 to 50 ml/m 2 .
  • the support used in the ink jet recording element of the invention may be opaque, translucent, or transparent.
  • There may be used, for example, plain papers, resin-coated papers, laminated paper, such as those described in U.S. Patents 5,853,965; 5,866,282; 5,874,205; 5,888,643; 5,888,681; 5,888,683; and 5,888,714, various plastics including a polyester resin such as poly(ethylene terephthalate), poly(ethylene naphthalate) and poly(ester diacetate), cellulosics, such as cellulose acetate, cellulose diacetate and cellulose triacetate, a polycarbonate resin, a fluorine resin such as poly(tetra-fluoro ethylene), metal foil, various glass materials, and the like.
  • polyester resin such as poly(ethylene terephthalate), poly(ethylene naphthalate) and poly(ester diacetate
  • cellulosics such as cellulose acetate, cellulose diacetate and
  • the support may also be void-containing polyolefin, polyester or membrane.
  • void-containing polyester preparation can be found in U.S. Patents 5,354,601 and 6,379,780.
  • a voided membrane can be formed in accordance with the known technique of phase inversion.
  • the thickness of the support employed in the invention can be from 12 to 500 ⁇ m, preferably from 75 to 300 ⁇ m.
  • the surface of the support may be corona-discharge-treated prior to applying the base layer or solvent-absorbing layer to the support.
  • Pen plotters operate by writing directly on the surface of a recording medium using a pen consisting of a bundle of capillary tubes in contact with an ink reservoir.
  • porous coatings allow a fast "drying" of the ink and produces a smear-resistant image.
  • image recording element may come in contact with other image recording articles or the drive or transport mechanisms of image recording devices, additives such as surfactants, lubricants, matte particles and the like may be added to the element to the extent that they do not degrade the properties of interest.
  • 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 water-soluble 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.
  • Particles of this invention were prepared from one of the three processes given below.
  • Process A preparation of anionic monodisperse polymer particles in the presence of surfactant
  • a two-liter reaction flask was prepared by adding 753 g of demineralized water, 2.56 g of Aerosol MA-80, (Cytek Industries, Inc.), and a variable amount of sodium carbonate. The flask contents were heated to 80°C with 150 rev/min stirring in a nitrogen atmosphere. An aqueous phase addition flask was made up with 649 g of demineralized water, 3.38 g of Aerosol MA-80 and 3.78 g of sodium persulfate. A monomer phase addition flask was prepared by adding 1011.4 g of ethyl methacrylate and 164.6 g of methyl methacrylate. Then, 3.43 g of sodium persulfate was added to the reaction flask.
  • Process B preparation of surfactant-free anionic monodispersepolymerparticles
  • a 12-liter, Morton reaction flask was prepared by adding 2000 g of demineralized water. The flask contents were heated to 80°C with 150 rev/min stirring in a nitrogen atmosphere. A first aqueous phase addition flask was made up with 1987 g of demineralized water and 13.2 g of sodium metabisulfite. A second aqueous phase addition flask was made up with 1973 g of demineralized water and 26.4 g of sodium persulfate. A monomer phase addition flask was prepared by adding 2182 g of ethyl methacrylate and 364 g of methyl methacrylate. Then, charges to the reaction flask from each addition flask were started at 5 g per minute.
  • the addition flasks were recharged as needed. Samples were taken at various times and the monomer phase feed was stopped when the desired latex particle size was reached. The charges of the redox initiator solutions were extended for 30 minutes beyond the end of the monomer phase addition to chase residual monomers. The reaction flask contents were stirred at 80°C for one hour followed by cooling to 20°C, and filtration through 200 ⁇ m polycloth. The latex was concentrated to 50% solids by ultrafiltration.
  • Process C preparation of surfactant-free cationic monodisperse polymer particles
  • a 12-liter, Morton reaction flask was prepared by adding 4000 g of demineralized water. The flask contents were heated to 80°C with 150 rev/min stirring in a nitrogen atmosphere. The initiator solution addition flask was made up with 1974 g of demineralized water and 26.4 g of 2,2'-azobis(2-methylpropionamidine)dihydrochloride.
  • a monomer phase addition flask was prepared by adding 2182 g of ethyl methacrylate and 364 g of methyl methacrylate. Then, charges to the reaction flask from each addition flask were started at 5 g per minute. The addition flasks were recharged as needed.
  • An organic composition was prepared by dissolving 47.9 g of cellulose acetate butyrate (Eastman Chemicals CAB 551-0.2) in 112.7 g of ethyl acetate at 68°C with mixing.
  • An aqueous composition was prepared by dissolving 13.4 g of a 10% solution of Alkanol XC ® (DuPont Corp.) in 361.3 g of water and heating to 68°C.
  • the aqueous phase was added to the organic phase using low shear mixing and the combined phases were passed 2 times through a Gaulin Colloid mill high shear mixer to form a particulate premix.
  • the resulting premix was rotary evaporated to remove the ethyl acetate resulting in a cellulose acetate butyrate particulate dispersion.
  • CP-2 was prepared similar to process A, except that the aqueous phase and monomer phase were combined, pre-emulsified and fed into the reaction flask from the single addition flask.
  • the monomer emulsion was not stable, there was monomer pooling in the reactor, and the reaction heat output was not constant.
  • Particle size distribution data obtained by an Ultrafine Particle Analyzer indicated a bimodal particle size distribution.
  • Tg of the dry polymer materials was determined by differential scanning calorimetry (DSC), using a heating rate of 20°C/minute, and is shown in Table 2 below. Tg is defined herein as the inflection point of the glass transition.
  • Polymer particles were characterized by an Ultrafine Particle Analyzer (UPA) manufactured by Leeds & Northrup. Two forms of a graph for presenting particle size data are obtained: the histogram (such as shown in FIG. 1a) and the cumulative plot (such as shown in FIG. 1b). Percentile points in FIG. 1b show the given percent of the volume that is smaller than the indicated size. The 50% is used as the "average particle size”.
  • the decade ratio is defined as the ratio of particle size at the 90 th percentile point to the particle size at the 10 tb percentile point. The smaller the decade ratio, the narrower the particle size distribution. Based on FIG. 1b for example, the 90 th percentile point is 0.74 microns and the 10 th percentile point is 0.31, thus the decade ratio is 2.39 (0.74 divided by 0.31.)
  • Table 2 summarizes the prepartion process, the composition, and the properties of polymer particles used in the examples.
  • Table 2 Particle Composition (weight %) Preparation Method Process Charge Average Particle Size (nm) Decade Ratio Tg (C°) P-1 EM/MM (86/14) C Cationic 523 1.488 84 P-2 EM/MM (86/14) C Cationic 440 1.404 85 P-3 EM/MM/EGD (88/10/2) C Cationic 455 1.463 85 P-4 EM/MM/SSDM EAA (93/5/2) B Anionic 475 1.339 NA P-5 EM/MM (86/14) B Anionic 375 1.497 86 P-6 EM/MM/EGD (88/10/2) B Anionic 513 1.294 87 P-7 EM/MM (86/14) B Anionic 505 1.436 84 P-8 EM/MM (86/14) A Anionic 864 1.708 NA P-9 EM/MM (86/14) A Anionic 8
  • B-1 is a polyurethane dispersion Witcobond W-320® (CK Witco Corporation).
  • the dispersion is nonionic, thus is compatible with anionic or cationic polymer particle dispersions.
  • the average particle size of the dispersion is 3 ⁇ m, and the Tg is -12° C, both quoted from CK Witco Corporation.
  • a single layer ink jet porous media was prepared by coating an aqueous solution comprising particles CP-1 and B-1 on a polyethylene-coated paper that was treated with corona-discharge prior to coating.
  • concentrations of CP-1 and B-1 were 36% and 7.2% by weight respectively.
  • 0.4% of a nonionic surfactant, Olin 10G® (Olin Corp.) was used in the coating solution to control the surface tension during coating.
  • the coating solution was laid down at 108.9 g/m 2 (10 cc/ft 2 ), and dried at 49° C for 3 minutes followed by 25°C for another 8 minutes with forced air circulation.
  • Control Element C-1 was prepared similar to C-1, except polymer particle CP-2 was used.
  • Control Element C-1 was prepared similar to C-1, except the coating solution containing 32% polymer particle P-7 and 3.2% Airvol 205® polyvinyl alcohol (PVA), (Air Products Corp.).
  • PVA polyvinyl alcohol
  • Elements 1-12 were prepared similar to C-1, except polymer particles P-2, P-3, P-4, P-6, P-7, P-9, P-10, P-11, P-12, P-14, P-15 and P-16 were used, respectively.
  • a piece of the element was cut out and mounted on a SEM stub with carbon tape.
  • the surface of the sample was metal coated with platinum-palladium in a vacuum evaporator for electrical conductivity.
  • the sample was examined in a Hitachi S-4100 field-emission gun scanning electron microscope, (FEGSEM), using an electron beam energy of 5keV.
  • FEGSEM field-emission gun scanning electron microscope
  • Ink jet samples were loaded into an Epson Stylus Photo 820 printer with color ink cartridge T027 and black ink cartridge T026, and printed with a preassembled digital image of color patches and pictures.
  • the printed sample was immediately rubbed by a finger on heavily inked areas as it was ejected from the printer.
  • "Instant dry” is defined as the print was dry to the touch and the image was not smudged or damaged by the finger-rubbing action. If the particles coalesced and formed a continuous film on drying after coating, the ink would form droplets on the surface and not penetrate through the layer. Therefore, such an image would be low in optical density and easily smudged by rubbing.
  • the printed samples were fused between a set of heated pressurized rollers, at least one of which was heated at a temperature of 150°C and a speed of 2.5 cm per second.
  • Ponceau red dye solution was prepared by dissolving 1 g of dye in 1000 g mixture of acetic acid and water (5 parts: 95 parts). An approximately 1 cm-diameter Ponceau Red dye solution was placed on the sample surface for 5 minutes. The liquid was then wiped up with a Sturdi-Wipes paper towel. A visual observation of the tested area was made and recorded. No mark of dye stain left on the image indicates the existence of a water resistant overcoat layer; a red stain on the image indicates no existence of a water resistant overcoat layer.
  • Table 3 Element Polymer Particle Average Particle Size (nm ) Decade ratio Ink Absorption Image Quality Stain Resistance after fusing C-1 CP-1 975 11.837 Slow to dry Poor Good C-2 CP-2 346 4.840 Slow to dry Fair Good C-3 P-7, but with PVA 505 1.436 Slow to dry Poor Not stain resistant 1 P-2 440 1 .404 Instant dry Good Good 2 P-3 455 1.463 Instant dry Good Good 3 P-4 475 1.339 Instant dry Good Good 4 P-6 513 1.294 Instant dry Good Good 5 P-7 505 1.436 Instant dry Good Good 6 P-9 831 1.830 Instant dry Good Good 7 P-10 904 1.490 Instant dry Good Good 8 P-11 513 1.478 Instant dry Good Good 9 P-12 509 1.534 Instant dry Good Good 10 P-14 529 1.550 Instant dry Good Good 11 P-15 715 1.616 Instant dry Good Good 12 P-16 522 1.204 Instant dry Good Good
  • ink jet elements were prepared on transparent biaxially oriented poly(ethylene terephthalate) film which is used in medical imaging applications. It is desirable to obtain an image of low haze after fusing to be viewed in a transmission mode.
  • This element was a single layer ink jet porous receiving layer consisting of fumed alumina (Cab-O-Sperse PG003 ®, (Cabot Corp.)), PVA (GH-23, (Nippon Ghosei)), 2,3-dihydroxy-1,4-dioxane (Clariant Corp.) and dye mordanting material MM at a weight ratio of 82.5:7.5:3:7 and a thickness of 20 ⁇ m.
  • MM was a crosslinked hydrogel polymer particle of 80 nm in average particle size prepared from 87% by weight of N-vinylbenzyl-N,N,N-trimethylammonium chloride and 13% by weight of divinylbenzene.
  • 0.07% of a nonionic surfactant, Olin 10G® (Olin) was used in the coating solution to control the surface tension during coating.
  • This element was a single layer ink jet porous layer consisted of PVA (Airvol 205®), 5.9 ⁇ m silica gel (23F, (Crossfield)) and 2,3-dihydroxy-1,4-dioxane (Clariant Corp.) at a weight ratio of 48.8:48.8:2.4 and a thickness of 20 ⁇ m.
  • Example 1 A preassembled digital image containing black-and white medical X-ray image and gray scales was used for printing.
  • Element 13 was further examined for pore volume in the ink-receiving layer. It was carried out using Mercury Intrusion Porosimetry, model 9520 from Micromeritics Instrument Corporation. The volume of mercury that penetrated into the pores as a function of applied hydraulic pressure to the mercury/sample combination was measured. As the quantity of mercury intruded, the amount of pore volume was measured by the change in electrical capacitance as the column of mercury above the mercury/sample bulk decreases as mercury intrudes into the sample. A measured pore volume of 19.5 ml/ m 2 was obtained for Element 13.
  • the prints were examined for rub resistance on the inked areas by rubbing the samples with a dry paper towel for 8 passes under a pressure of 200 g over a 3.5 cm diameter area.
  • the elements were examined and rated as follows:

Claims (10)

  1. Elément d'enregistrement par jet d'encre comprenant un support sur lequel est appliquée une couche réceptrice d'image, poreuse et fusible, comprenant au moins deux types de particules de polymère hydrophobe ayant des températures de transition vitreuse différentes, le premier type de particules de polymère hydrophobe ayant une Tg supérieure à 60 °C et étant sensiblement monodispersé et le deuxième type de particules de polymère hydrophobe ayant une Tg inférieure à 25 °C.
  2. Elément selon la revendication 1, dans lequel ledit premier type de particules de polymère hydrophobe sensiblement monodispersé a une taille moyenne de particules, qui est définie comme la taille à laquelle sont inférieures 50 % en volume des particules, comprise entre 0,2 µm et 2 µm, et présente une distribution de taille des particules telle que le rapport de la taille des particules au niveau du 90ème centile de la courbe de distribution de taille des particules à la taille des particules au niveau du 10ème centile de la courbe de distribution de taille des particules, est inférieur à 2.
  3. Elément selon la revendication 1, dans lequel ledit premier type de particules de polymère hydrophobe, qui est sensiblement monodispersé, a une Tg comprise entre 60 °C et 140 °C.
  4. Elément selon la revendication 1, dans lequel ledit deuxième type de particules de polymère hydrophobe a une Tg comprise entre -60 °C et 25 °C.
  5. Elément selon la revendication 1, dans lequel le rapport pondéral du premier type de particules de polymère hydrophobe au deuxième type de particules de polymère hydrophobe est compris entre 10:1 1 et 2,5:1.
  6. Elément selon la revendication 1, dans lequel ladite couche poreuse réceptrice d'image est appliquée en une quantité comprise entre 10 g/m2 et 60 g/m2.
  7. Elément selon la revendication 1, dans lequel ledit support est un papier enduit de résine ou un film de polymère transparent.
  8. Elément selon la revendication 1, dans lequel ladite couche poreuse réceptrice d'image est réticulée.
  9. Elément selon la revendication 1, dans lequel ladite couche poreuse réceptrice d'image contient un agent absorbant l'ultraviolet.
  10. Procédé d'impression par jet d'encre comprenant les étapes suivantes :
    A) fourniture d'une imprimante à jet d'encre sensible aux signaux de données numériques ;
    B) chargement dans ladite imprimante de l'élément d'enregistrement par jet d'encre selon la revendication 1 ;
    C) chargement dans ladite imprimante d'une encre pour jet d'encre ; et
    D) impression sur ladite couche réceptrice d'image en utilisant ladite encre pour jet d'encre en réponse auxdits signaux de données numériques.
EP20030078376 2002-11-07 2003-10-27 Elément d'enregistrement par jet d'encre et méthode d'impression Expired - Fee Related EP1418057B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US289607 1994-08-12
US289862 1994-08-12
US10/289,607 US6869178B2 (en) 2002-11-07 2002-11-07 Ink jet printing method
US10/289,862 US6861114B2 (en) 2002-11-07 2002-11-07 Ink jet recording element

Publications (3)

Publication Number Publication Date
EP1418057A2 EP1418057A2 (fr) 2004-05-12
EP1418057A3 EP1418057A3 (fr) 2005-02-16
EP1418057B1 true EP1418057B1 (fr) 2006-04-05

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EP (1) EP1418057B1 (fr)
JP (1) JP4503984B2 (fr)
DE (1) DE60304417T2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2874033B1 (fr) * 2004-08-05 2006-10-27 Eastman Kodak Co Procede de traitement d'un materiau destine a la formation d'images par impression par jet d'encre
CN111836725A (zh) * 2018-03-30 2020-10-27 富士胶片株式会社 预处理液、油墨组、图像记录物、图像记录用基材、图像记录用基材的制造方法及图像记录方法

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JPS5699694A (en) 1980-01-14 1981-08-11 Ricoh Co Ltd Recording medium for ink jet recording
EP0054685B1 (fr) 1980-12-23 1986-07-09 Roche Diagnostics GmbH Particules de latex hydrophiles, procédé pour leur préparation et leur usage
JPS59222381A (ja) 1983-05-31 1984-12-14 Mitsubishi Paper Mills Ltd インクジエツト用記録媒体
EP0233039B1 (fr) 1986-02-07 1992-07-08 Canon Kabushiki Kaisha Procédé d'enregistrement de l'image
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JP3246061B2 (ja) * 1993-03-31 2002-01-15 王子製紙株式会社 インクジェット記録用シート
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ATE218445T1 (de) 1997-02-18 2002-06-15 Canon Kk Aufzeichnungsmaterial sowie tintenstrahldruckverfahren unter verwendung desselbe
JP2000355660A (ja) * 1999-04-16 2000-12-26 Fuji Photo Film Co Ltd テトラアルキル置換含窒素ヘテロ環結合型アゾ色素、該色素を使用するインクジェット用インク、インクジェット記録方法、及び熱転写記録材料
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JP2004122705A (ja) * 2002-10-07 2004-04-22 Konica Minolta Holdings Inc 空隙型インクジェット記録用紙の製造方法

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JP2004155200A (ja) 2004-06-03
DE60304417T2 (de) 2007-04-19
EP1418057A2 (fr) 2004-05-12
EP1418057A3 (fr) 2005-02-16
JP4503984B2 (ja) 2010-07-14
DE60304417D1 (de) 2006-05-18

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