EP1013466A2 - Feuille intermédiaire réceptrice d'encre pour l'impression par transfert - Google Patents

Feuille intermédiaire réceptrice d'encre pour l'impression par transfert Download PDF

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Publication number
EP1013466A2
EP1013466A2 EP99310339A EP99310339A EP1013466A2 EP 1013466 A2 EP1013466 A2 EP 1013466A2 EP 99310339 A EP99310339 A EP 99310339A EP 99310339 A EP99310339 A EP 99310339A EP 1013466 A2 EP1013466 A2 EP 1013466A2
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EP
European Patent Office
Prior art keywords
media
layer
hydroxy
acid
release layer
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.)
Withdrawn
Application number
EP99310339A
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German (de)
English (en)
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EP1013466A3 (fr
Inventor
Zarng-Arh George Wu
James Steven Smith
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EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of EP1013466A2 publication Critical patent/EP1013466A2/fr
Publication of EP1013466A3 publication Critical patent/EP1013466A3/fr
Withdrawn legal-status Critical Current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
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
    • 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

Definitions

  • This invention relates to a transfer media for transferring an image to a permanent substrate.
  • Ink-jet printing is a non-impact method for recording information in response to an electronic signal, such as that generated by a computer.
  • the electronic signal produces droplets of ink that are deposited on a media, such as paper or transparent film.
  • Ink-jet printers have found broad commercial acceptance due to their reliability, relatively quiet operation, graphic capability, print quality, and low cost.
  • inks typically having colors of black, cyan, magenta and yellow
  • the inks primarily are composed of water, and contain a colorant that may be a dye or pigment dispersion.
  • the inks generally also contain a polyhydric alcohol to prevent nozzle clogging, and may contain various adjuvants.
  • Such inks and ordinary paper are well suited for desk-top publishing, as currently practiced, wherein only a small portion of the paper receives printed text and graphic information.
  • the printing media will receive substantially more of the black and colored inks in order to accurately reproduce the various hues, tints, and colors contained in a typical colored picture.
  • the printing media will be expected to receive up to 200% or more coverage in conventional commercial printing applications.
  • Ordinary paper stock is usually not suitable for such high quality applications for a number of reasons. Water disrupts the paper structure, causing "cockle” that affects appearance of the paper and, in extreme cases, may actually cause the paper to distort to the extent that it contacts the ink-jet pen, disrupting the printing process. Also, the paper may not absorb water sufficiently quickly to achieve the desired printing speed, or may cause flooding of the paper surface, which adversely affects image quality. Moreover, wicking of ink into the paper may cause the paper to "show through" into the printed image, detracting from image quality. There is a need for the printed text and pictures to be more robust; e.g., exhibit better handleability, water fastness, and smear resistance after printing.
  • Special ink-jet media have been developed to achieve high quality images in ink jet printing.
  • an image is printed on an image receptor element and then transferred to a permanent substrate.
  • the present invention provides a transfer media for receiving printed images involving an ink, particularly an aqueous ink-jet ink containing a dye or pigment colorant, and more particularly a dye-based ink jet ink.
  • the printed image is readily transferred to a permanent substrate, which may be paper, plastic, glass, aluminum foil, etc., due to the components contained in the ink receptive layer of the media and the presence of a matting agent in the release layer.
  • This media has improved gloss characteristics, and therefore exhibits reduced image distortion.
  • the invention provides a transferable image media comprising, in order:
  • the media and process provide special utility in applications involving printing of pictoral information, particularly in demanding ink-jet printing applications which require more ink than normally used in printing text.
  • the transferable image media excludes a protection layer.
  • Another aspect of the invention relates to the process for preparing an inked image by using the transferable image media described above.
  • the media has, in order, an ink receptive layer, a hydrophobic protection layer, a release layer, and a carrier support.
  • the carrier support is a material having sufficient stiffness and dimensional stability to support a printed image without having the image distort or misalign, and sufficient water resistance that it can be exposed to an aqueous ink without warping or shrinkage.
  • the material also should withstand heat and pressure applied during the lamination steps described below.
  • the support typically has a thickness of about 25 to about 250 microns (1.0 to 10 mils), preferably about 50 to 200 microns (2 to 8 mils).
  • Suitable materials include polymeric films, such as polyethylene terephthalate and polyethylene naphthanate, polyamides, polycarbonates, fluoropolymers, polyacetals, and polyolefins. Thin metal sheets may be selected, as well as natural or synthetic paper treated to be water resistant.
  • the substrate may be transparent, translucent, or opaque. It may be colored and can have components, such as antihalation dyes, incorporated therein to meet the needs of specific applications. Polyethylene terephthalate films are a preferred support material.
  • antistat coatings may be present on one or both sides of the support to reduce static if the support is later separated by “peeling", as discussed below.
  • the antistatic coatings may also contain materials such as colorants, antihalation dyes, optical brighteners, surfactants, plasticizers, coating aids, and the like.
  • the carrier support may have a backing layer, to improve transport properties of the media in the ink-jet printer, if the material selected as the first substrate does not possess the desired handling properties.
  • the backing layer may have antistatic agents, matting agents, and the like that are commonly employed in the art.
  • the carrier support may have an abrasion resistant coating as disclosed in U.S. Patent No. 5,069,942.
  • anchor layer may be used to ensure adequate adhesion of the release layer to the carrier support.
  • anchor layer means a layer that is adhesively bonded to the layers on both sides of it. Adhesive materials for bonding different types of materials are well known in the art and are discussed in Handbook of Adhesives , 2nd Edition , Irving Skeist, Ed. (Van Nostrand Reinhold Co., New York, 1977). Any conventional adhesive material can be used in the anchor layer or layers so long as it is not adversely affected by the printing step.
  • the anchor layer or layers may contain materials such as antistats, colorants, antihalation dyes, optical brighteners, surfactants, plasticizers, coating aids, and the like.
  • the anchor layer(s) generally has a thickness in the range of 0.01 to 10 microns, preferably 0.05 to 5 microns.
  • the release layer facilitates removal of the carrier support from the rest of the transfer media component layers after imaging.
  • the release layer includes a release agent selected from cellulose ethers; polyethylene oxides; and blends of water-soluble polymers with polyethylene oxide; thermoplastic polyamides and copolymers thereof such as Ultramid®1C.
  • water soluble polymers include polyvinyl alcohol, polyvinyl pyrrolidone, polysaccharides, cellulosic compounds like hydroxy methyl cellulose, starch and gum.
  • cellulose ether include ethyl cellulose.
  • matting agents added to release layer can be used to adjust the gloss characteristics of the layer adjacent to the release layer (i.e., the image reception layer or, where the media contains a protection layer, the protection layer).
  • the release layer contains a matting agent having a preferred particles size of from about 3 to about 45 microns, preferably from about 8 to about 20 microns, in an amount of from about 3 to about 30 percent by weight, preferably from about 5 to about 10 percent by weight, based on the weight of the release layer.
  • a matting agent having a preferred particles size of from about 3 to about 45 microns, preferably from about 8 to about 20 microns, in an amount of from about 3 to about 30 percent by weight, preferably from about 5 to about 10 percent by weight, based on the weight of the release layer.
  • the matting agent used should be chemically inert and may be either inorganic or organic.
  • suitable matting agents for use in the release layer include inorganic fillers such as silica or silicates, zeolites, calcined kaolin, diatomaceous earth, barium sulfate, aluminum hydroxide or calcium carbonate, glass beads, mica, tin oxide and titanium dioxide and organic matting agents such as polymeric particles, for example, particles of homo- or copolymers of styrene or styrene derivatives such as divinyl benzene, fluorcarbon polymers, and crosslinked polyacrylates and other materials that would be readily apparent to one skilled in the art.
  • the preferred matting agent is silica.
  • the release layer may also contain other components such as antistats, colorants, antihalation dyes, surfactants, plasticizers, coating aids, and the like.
  • the release layer generally has a thickness in the range of from about 2 to about 20 microns, preferably from about 3 to about 6 microns.
  • the dry coating weight of the release range from about 20 to about 200 mg/dm 2 , preferably from about 30 to about 60 mg/dm 2 .
  • the hydrophobic layer includes at least one compound selected from acrylate or methacrylate polymers such butyl methacrylates having a glass transition temperature (Tg.) of 15°C and 35°C; epoxy resins, diene rubbers such as polyisoprene, polybutadiene, styrene-butadiene rubbers, chloroprene rubber; polyolefin elastomers; polyurethane elastomers; polyvinyl chloride; polyvinyl butyral; polycarbonates; cellulose esters.
  • the preferred compounds include butyl methacrylates having Tgs. of 15°C and 35°C, or mixtures thereof.
  • the hydrophobic protection layer may also contain UV absorbers.
  • Suitable UV absorbers often contain groups such as, for example, benzoates, benzophenones, salicylates, cinnamates, dithiocarbamates, benzotriazoles, propenoic esters, diphenylaccrylates and combinations thereof.
  • UV absorbers examples include: propoxylated ethyl para-aminobenzoate; propoxylated ethyl para-aminobenzoate; dipropylene glycol salicylate; 4-dodecylox-2-hydroxybenzophenone; 2-ethylhexyl para-dimethylaminobenzoate; 2-ethylhexyl-p-methoxycinnamate; 2-hydroxy-4-methoxybenzophenone; 2-hydroxy-4-n-octoxybenzophenone; hydroxybenzoate type; nickel dibutyl dithiocarbamate; N-(p-ethoxycarbon-ylphenyl)-N'-ethyl-N'-phenylformamidine; blends of benzophenone and 1-hydroxycyclohexyl phenyl ketone; 2-methyl-1-(4-methylthio)phenyl)-2-morpholinopropanone-1; 2-ethylhexyl-p-methoxy
  • the hydrophobic protection layer may contain conventional ingredients such as matte agents. Since the printed image is viewed through the hydrophobic protection layer, the layer is transparent and preferably has no yellowness that might shift color balance of the printed image.
  • the hydrophobic protection layer generally has a thickness in the range of from about 3 to about 40 microns, preferably from about 7 to about 20 microns.
  • the ink-receptive layer is constructed of a composition having a balance of properties.
  • the ink-receptive layer is releasably affixed to the hydrophobic protection layer where present or the adjacent layer release layer in order that it may be readily separated after being imaged and the image transferred, preferably by lamination, to a permanent substrate. Since the printed image is viewed through the ink receptive layer, the layer is transparent and preferably has no yellowness that might shift color balance of the printed image.
  • the ink receptive layer not be so tacky at ambient temperatures that it presents a handling problem.
  • materials should be avoided that are so slippery that the material presents a registration problem during lamination to the permanent substrate.
  • it will be desirable to employ an ink receptive layer that is scratch and abrasion resistant when wet or dry, and is resistant to cracking or creasing from folding.
  • the ink receptive layer typically has a thickness of from about 3 to about 40 microns, preferably from about 5 to about 20 microns. It contains at least 15% of a water soluble binder, preferably selected from the group consisting of polyvinyl alcohol, polyvinyl pyrrolidone, cellulose compounds such as polyhydroxymethyl cellulose, polyhydroxyethyl cellulose, polyhydroxypropyl cellulose, polyhydroxypropyl methyl cellulose, starch, gelatin, gum arabic, and combinations thereof; and a hydrophilic thermoplastic polymer having at least one carboxylic acid group, preferably in an amount of from 15 to 85%, and a molecular weight of at least 6000.
  • a water soluble binder preferably selected from the group consisting of polyvinyl alcohol, polyvinyl pyrrolidone, cellulose compounds such as polyhydroxymethyl cellulose, polyhydroxyethyl cellulose, polyhydroxypropyl cellulose, polyhydroxypropyl methyl cellulose, starch, gelatin, gum arab
  • the polymer-containing carboxylic acid groups conveniently is a copolymer of (1) at least one monomer selected-from the group consisting of acrylic acid, methacrylic acid, and olefinic dicarboxylic acid (e.g., maleic or itaconic acid), and an olefinic dicarboxylic anhydride (e.g., maleic or itaconic anhydride), and (2) at least one monomer selected from the group consisting of an acrylate or methacrylate ester having 1 to 6 carbon atoms, a dialkylamine acrylate or methacrylate, styrene, vinyl acetate, vinyl methyl or ethyl ether, vinyl pyrrolidone, ethylene oxide, or the like.
  • copolymers that may be selected are methyl methacrylate (37%)/ethyl acrylate (56%)/acrylic acid (7%) terpolymer, acid no. 76-85, molecular weight 260,000; methyl methacrylate (61.75%)/ethyl acrylate (25.75%)/acrylic acid (12.5%) terpolymer, acid no. 100, molecular weight 200,000; styrene/maleic anhydride half ester copolymers, having styrene to maleic anhydride ratios of 1.4/1 to 1.0/1 and molecular weights from 60,000 to 215,000 and poly(methyl vinyl ether/maleic acid).
  • Some useful hydrophilic thermoplastic polymers having at least one carboxylic acid group and a molecular weight of at least 6000 include methyl vinyl ether/maleic acid or anhydride; methyl vinyl ether/itaconic acid or anhydride; ethylene/maleic acid or anhydride; styrene/maleic acid or anhydride; polymethacrylic acid and polyacrylic acid.
  • the ink receptive layer may also contain a neutralizing component to minimize or avoid cracking of the coating.
  • Neutralizing agents for example, ammonia; N,N-dimethylethanolamine; triethanolamine and 2-amino-2-methyl propanol, may be selected to adjust the pH of the solution to approximately 4.0, which has been found to be advantageous in minimizing the cracking of the inked image formed by a pigment-based ink.
  • the coating may also contain conventional ingredients such as inorganic fillers, humectants, UV absorbers, polymeric dispersants, defoamers, mold inhibitors, antioxidants, latex, dye mordants, optical brighteners, etc.
  • the ink receptive layer generally has a thickness in the range of 3 to 40 microns, preferably 10 to 20 microns.
  • the, ink receptive layer may be placed directly on the release layer containing a matting agent wherein the matting agent has a specified size and is present in a specified amount. Accordingly, the invention provides a transferable image media comprising, in order:
  • the hydrophobic protection layer and the ink receptive layer are sequentially applied to the carrier support having thereon a release layer.
  • the hydrophobic protection layer has a dry coating weight of about 30 mg/dm 2 (milligram per square decimeter) to about 400 mg/dm 2 ; similarly, the ink receptive layer has a coating weight from about 30 mg/dm 2 to about 400 mg/dm 2 .
  • Appropriate coating weight is needed to provide sufficient ink vehicle absorbing capacity to prevent ink spread or puddling and to minimize cockle with porous substrates.
  • the layers are applied to the carrier support by conventional coating methods such as roller coating or knife coating methods (e.g., air knife, trailing blade). All the ingredients can be premixed to form the compositions that are applied to the surface of the release layer at the dry coating weights set out above.
  • the hydrophobic protection layer and the ink receptive layer may be laminated, in order, to a release layer that is coated on a carrier support.
  • the adhesion balance between the various media layers is important if the media is to function as a transfer media.
  • the adhesion force at the point of separation should be lower than the adhesion forces between all other layers remaining at separation.
  • Anchor layers may be present between layers, other than at the point of separation, to increase the adhesion force between layers.
  • the permanent support for the colored image can be chosen from almost any material desired. For most applications a paper permanent support is used. Other materials which can be used as the permanent support include cloth; wood; glass; china; polymeric films such as polyethylene terephthalate, polyethylene, polypropylene, etc.; synthetic papers; thin metal sheets or foils; cardboard, etc. An adhesive may be employed to achieve desired bonding strength between the ink receptive layer and the permanent support.
  • the transfer media provided by this invention may receive ink printed by conventional ink-jet printers, such as thermal or bubble jet printers, piezoelectric printers, continuous flow printers, or valve jet printers. After the ink is printed on the media, the printed.
  • conventional ink-jet printers such as thermal or bubble jet printers, piezoelectric printers, continuous flow printers, or valve jet printers. After the ink is printed on the media, the printed.
  • a transfer process may be used to produce a single or multi-colored image on a permanent substrate.
  • a media may be printed with one or more colored inks, and then transferred to a permanent substrate, which may have been primed or have an adhesive layer to ensure durable bonding. Then, the media substrate and release layer are readily removed by stripping or peeling, leaving the ink receptive layer and the hydrophobic layer (if present) on the permanent substrate.
  • this process may be repeated with the ink receptive layer containing various colors of ink dispersions to build up a multi-colored image. In these applications, it is important that the ink receptive layer have the desired degree of transparency because the colorant is viewed through the layer.
  • the media and processes of the invention have utility for ink-jet printing technologies, with aqueous ink dispersions, to provide high quality printed images on a broad variety of substrates. Pictorial as well as textured information may be printed. For multicolored images, yellow, cyan, magenta and black inks may be used to advantage.
  • Applications include desktop publishing, as well as wide format applications such as the printing of signs, banners, and the like. Applications further include applying ink jet images to objects having non-planar topography.
  • the gloss reading of the transfer media can be adjusted to match the gloss reading of the permanent substrate. Matched gloss readings improves the appearance of the final imaged article.
  • Table 1 below lists the name and chemical description of the ingredients used in the Examples. Glossary Name Available From General Chemical Description Ultramid® 1C BASF Corporation, Charlotte, NC co-polyamide of nylon 6 and nylon 66 Syloid® ED2 W. R. Grace and Company, Baltimore, MD silica particles having particle size of 10-15 microns ( ⁇ ) Syloid® ED5 W. R. Grace and Company, Baltimore, MD silica particles having a particle size of 25-30 microns Cronar® 471 E. I. du Pont de Nemours and Co., Wilmington, DE polyester resin Elvacite® 2044 Elvacite® 2046 E. I.
  • du Pont de Nemours and Co. Wilmington, DE acrylic polymer Gantrez® AN119 ISP, Wayne, NJ poly(methyl vinyl ether/maleic anhydride) Elvanol® 52-22 E. I. du Pont de Nemours and Co., Wilmington, DE poly vinyl alcohol Zelec® ECP3010 XC E. I. du Pont de Nemours and Co., Wilmington, DE particles consisting of mica and tin oxide having particle size of 3 to 5 microns PVP-K90 ISP, Wayne, NJ polyvinyl pyrrolidone Epon® 1101 Shell Chemical, Houston, TX epoxy resin Bakelite® VAGH Union Carbide Corp., Danbury, CT vinyl chloride resin Scripset® Monsanto Co., St. Louis, MO poly(styrene)maleic anhydride Gantrez® S97 ISP, Wayne, NJ poly(methyl vinyl ether/maleic acid)
  • each of the transfer media in the Examples was printed using a HP2000C printer (available from Hewlett-Packard, Palo Alto, CA) using commercial inks (Cyan HP-C4841A; Yellow HP-C4842A;Magenta HP-C4843A; Black HP-4844A) for this printer to form a four-color image.
  • the printed media was then transferred to a permanent substrate, which is Reflection® paper (Consolidated Papers Inc., Wisconsin Rapids, WI), by lamination.
  • the lamination equipment was a WaterProof® Laminator (E. I. du Pont de Nemours and Company, Wilmington, DE), at a lamination temperature was 110°C.and a pressure of 400 psi (2.758 x 10 6 Pa).
  • Gloss reading of the image transferred to the permanent substrate in the Examples was measured using a Novo-GlossTM reading meter(Gardco®, Paul N. Gardner Company, Inc., Pompano Beach, FL) at 60° angle.
  • Optical density of the image after it has been transferred to the permanent substrate in the Examples was measured using a Macbeth® RD918 densitometer (Kollmorgen Corp, Newburgh, NY).
  • the amount of ingredients in the various component layers are listed in parts by weight, based upon the weight of the component layer.
  • Two transfer media (Samples A and B), each containing the following components layers were made: a support, a release layer, a hydrophobic protective layer and an ink receiving layer.
  • a 30% coating solution of Elvacite® 2044 was prepared by adding 60 gms (grams) of Elvacite® 2044 into 140 gms of acetone. The mixture was stirred for approximately 3 hrs. The coating solution was coated onto each of Samples A and B, using a 6 mil (152 micron) knife to obtain a dry coating weight of 192 mg/dm 2 .
  • a 7% Gantrez® AN119 coating solution was prepared by adding 14 gms of Gantrez® AN119 into 186 gms of deionized water, stirring for 30 minutes with high RPM and heating up to 80°C for 3 hours. 14 gms of triethanolamine (Ashland Chemical Co. Industrial Chemicals and Solvents Div., Columbus, OH) were then added.
  • a 7% solution of Elvanol® 52-22 was prepared by adding 14 gms of Elvanol® 52-22 into 186 gms of cold water, then heating up to 85°C for 3 hrs until the solution became clear and homogeneous.
  • the Sample A media was also printed with a continuous flow ink jet printer, AX4 (E. I. du Pont de Nemours and Company, Wilmington, DE) with a standard commercial ink, and then transferred to Reflection® paper. Results of the gloss and optical density measurements are shown in Table 6 below: Gloss and Optical Density of Image Printed By AX4 Printer on Sample A Sample Optical Density Gloss K C M Y R G B 60° A 1.94 1.63 1.71 1.24 1.77 1.50 1.54 10.2
  • Release layer coatings were prepared as follows:
  • sample C release layer A 13% solution (Sample C release layer) was prepared by adding 24 gms of Ultramid® 1C into a solvent mixture of 149.6 gms of N-propyl alcohol and 26.4 gms of water. The mixture was stirred with high RPM for 8 hrs. The solution was coated on Cronar® 471 with a 4 mil (0.1 micron) knife to have the dry thickness of 61 mg/dm 2 .
  • Samples D, E, F and G release layers were prepared following the same procedure used to prepare Sample C release layer, with the following exception: the level of Syloid® ED2 was varied as shown in Table 7 below. Release Layer Compositions for Samples C-G Release Layer Ingredient Amount (% by weight) Sample C D E F G Ultramid® IC 99 97 95 92 90 Syloid® ED2 1 3 5 8 10
  • a hydrophobic protection layer and an ink receptive layer were then coated over each of the release layers as described in Example 1 above.
  • Each of the media C through G were printed with an HP2000C printer (Hewlett Packard Co, Palo Alto, CA) to form a four color image on each of the samples.
  • the printed media were then laminated to Reflection® paper using a WaterProof® laminator at 110°C and 400 psi (2758 kPa).
  • Samples H, I, J and K Four transfer media (Samples H, I, J and K) were prepared following the procedure for preparing Sample A media with the exception of the release layer thickness: Release layer having the composition of Table 2 above were coated with a 3, 6, 8 and 15 mil (76, 152, 203, 381 microns) knife onto a Cronar® 471 to obtain the different thicknesses of release layer shown in Table 9 below. The gloss measurements of Samples H-K are also listed in Table 9 below. Sample Thickness of Release Layer Gloss (at 60° angle) H 38 mg/dm 2 9.7 I 75 mg/dm 2 7.2 J 112 mg/dm 2 7.3 K 190 mg/dm 2 12.1
  • Example L A three layer transfer media (Sample L) was prepared as described in Example 2 with the following exceptions: Zelec® ECP3010 XC was used in place of Syloid® ED2; and PVP-K90, which dissolves in cold water was used in place of the Elvanol® 52-22, and Elvacite® 2044 is replaced with a blend of Elvacite® 2044 and 2046 in a 50/50 weight ratio.
  • the media had the component layers and composition listed in Table 10 below: Sample L Component Layer Dry Weight (mg/dm 2 ) Composition Amount (parts by weight) ink receptive layer 195 Gantrez® AN119 1 PVP K-90 3 triethanolamine 1 hydrophobic layer 185 Elvacite® 2044 1 Elvacite® 2046 1 release layer 35 Ultramid® 1C 1 Zelec® ECP3010CX 0.1 part 0.1
  • the media was printed using an HP2000C printer, and the printed media was laminated to Reflection® paper, using a WaterProof® laminator at 115°C and 400 psi (2758 kPa). Gloss and optical density measurements are shown in Table 11 below: Sample Optical Density Gloss K C M Y R G B 60° L 2.23 0.87 1.76 2.01 1.40 1.39 0.93 61.3
  • a transfer media (Samples M) was prepared as described below.
  • a release layer was prepared as follows:
  • a 13% Ultramid® 1 C solution with Syloid® ED2 was prepared as described in Example 2 and a 4 mil (101 micron) knife was used to coat the solution on 4 mil (101 micron) Cronar® 471 (DuPont) to obtain the matte release layer with a dry coating weight of 55 mg/dm 2 .
  • a hydrophobic layer was prepared as follows:
  • a 7% Poly(vinylpyrrolidone) K-90 (ISP Wayne, NJ) solution was prepared by adding 14 gms of the polymer into 186 gms of cold water, and stirring for approximately 1 hour.
  • 150 gms of 7% PVP K-90 solution, 150 gm of 7% Elvanol® 52-22 solution, 100 gms of 7% Gantrez® AN119 solution prepared as described in Example 2, and 7 gms of triethanolamine were mixed and stirred for 20 min.
  • Example N A three layer transfer media (Sample N) was prepared by repeating the steps of Example 5 above with the following exceptions: the ink receptive and hydrophobic layers prepared as described below were used.
  • the hydrophobic protection layer had the composition shown in Table 15 below: Sample N Protection Layer Composition Ingredient Amount (parts by weight) Elvacite® 2044 3 Bakelite® VAGH 1
  • the ink receptive layer was prepared by the following procedure:
  • a 13% Scripset® solution was prepared by adding 14 gms of Scripset® and 7 gms dimethanolamine (DMEA)into 186 gms of water and stirring for approximately 3 hrs.
  • the dry weight composition is shown Table 16 below: Sample N Ink Receptive Layer Composition Ingredient Amount (parts by weight) Scripset® 640 1 Elvanol® 52-22 3 DMEA 1
  • a three-layer transfer media (Sample O) was prepared as follows:
  • a release layer was prepared as follows:
  • a 10% Elvacite® 2046 solution was prepared by adding 20 gins of Elvacite® 2046 to 180 gms of acetone and stirring for 3 hrs until dissolved. 2 gms of Syloid® ED2 were then added into the solution and the mixture stirred for 1 hr. until the ingredients were well dispersed. This dispersion was then coated using a 4 mil (101 microns) knife onto a gel-subbed Mylar® (DuPont) at a coating weight of 55 gm/dm 2 .
  • the composition is shown in Table 18 below: Sample O Release Layer Composition Ingredient Amount (parts by weight) Elvacite® 2046 1.0 Syloid® ED2 0.1
  • Example 2 An ink receptive layer similar to that described in Example 1 was prepared and coated onto the release layer using a 12 mil (304 microns) knife to obtain a coating weight of 190 mg/dm 2 .

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EP99310339A 1998-12-22 1999-12-21 Feuille intermédiaire réceptrice d'encre pour l'impression par transfert Withdrawn EP1013466A3 (fr)

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Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001025856A1 (fr) * 1999-10-01 2001-04-12 Foto-Wear, Inc. Materiau de transfert d'image comportant une couche de reception d'image et procede de transfert thermique mettant en application ce materiau
WO2002070263A1 (fr) * 2001-03-05 2002-09-12 Fargo Electronics, Inc. Imprimante a feuilles d'image retournee
US6979141B2 (en) 2001-03-05 2005-12-27 Fargo Electronics, Inc. Identification cards, protective coatings, films, and methods for forming the same
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EP2612762A4 (fr) * 2010-08-31 2018-01-10 Dainippon Printing Co., Ltd. Support de transfert intermédiaire
US10179447B2 (en) 2012-03-05 2019-01-15 Landa Corporation Ltd. Digital printing system
US10190012B2 (en) 2012-03-05 2019-01-29 Landa Corporation Ltd. Treatment of release layer and inkjet ink formulations
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US10201968B2 (en) 2012-03-15 2019-02-12 Landa Corporation Ltd. Endless flexible belt for a printing system
US10226920B2 (en) 2015-04-14 2019-03-12 Landa Corporation Ltd. Apparatus for threading an intermediate transfer member of a printing system
US10357985B2 (en) 2012-03-05 2019-07-23 Landa Corporation Ltd. Printing system
US10434761B2 (en) 2012-03-05 2019-10-08 Landa Corporation Ltd. Digital printing process
US10518526B2 (en) 2012-03-05 2019-12-31 Landa Corporation Ltd. Apparatus and method for control or monitoring a printing system
US10596804B2 (en) 2015-03-20 2020-03-24 Landa Corporation Ltd. Indirect printing system
US10632740B2 (en) 2010-04-23 2020-04-28 Landa Corporation Ltd. Digital printing process
US10642198B2 (en) 2012-03-05 2020-05-05 Landa Corporation Ltd. Intermediate transfer members for use with indirect printing systems and protonatable intermediate transfer members for use with indirect printing systems
US10759953B2 (en) 2013-09-11 2020-09-01 Landa Corporation Ltd. Ink formulations and film constructions thereof
US10889128B2 (en) 2016-05-30 2021-01-12 Landa Corporation Ltd. Intermediate transfer member
US10926532B2 (en) 2017-10-19 2021-02-23 Landa Corporation Ltd. Endless flexible belt for a printing system
US10933661B2 (en) 2016-05-30 2021-03-02 Landa Corporation Ltd. Digital printing process
US10994528B1 (en) 2018-08-02 2021-05-04 Landa Corporation Ltd. Digital printing system with flexible intermediate transfer member
US11267239B2 (en) 2017-11-19 2022-03-08 Landa Corporation Ltd. Digital printing system
US11321028B2 (en) 2019-12-11 2022-05-03 Landa Corporation Ltd. Correcting registration errors in digital printing
US11318734B2 (en) 2018-10-08 2022-05-03 Landa Corporation Ltd. Friction reduction means for printing systems and method
US11465426B2 (en) 2018-06-26 2022-10-11 Landa Corporation Ltd. Intermediate transfer member for a digital printing system
US11511536B2 (en) 2017-11-27 2022-11-29 Landa Corporation Ltd. Calibration of runout error in a digital printing system
US11679615B2 (en) 2017-12-07 2023-06-20 Landa Corporation Ltd. Digital printing process and method
US11707943B2 (en) 2017-12-06 2023-07-25 Landa Corporation Ltd. Method and apparatus for digital printing
US11787170B2 (en) 2018-12-24 2023-10-17 Landa Corporation Ltd. Digital printing system
US11833813B2 (en) 2019-11-25 2023-12-05 Landa Corporation Ltd. Drying ink in digital printing using infrared radiation
US12001902B2 (en) 2018-08-13 2024-06-04 Landa Corporation Ltd. Correcting distortions in digital printing by implanting dummy pixels in a digital image
US12011920B2 (en) 2019-12-29 2024-06-18 Landa Corporation Ltd. Printing method and system
US12358277B2 (en) 2019-03-31 2025-07-15 Landa Corporation Ltd. Systems and methods for preventing or minimizing printing defects in printing processes
US12430453B2 (en) 2021-02-02 2025-09-30 Landa Corporation Ltd. Mitigating distortions in printed images

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US6869910B2 (en) 1999-10-01 2005-03-22 Foto-Wear, Inc. Image transfer material with image receiving layer and heat transfer process using the same
WO2001025856A1 (fr) * 1999-10-01 2001-04-12 Foto-Wear, Inc. Materiau de transfert d'image comportant une couche de reception d'image et procede de transfert thermique mettant en application ce materiau
WO2002070263A1 (fr) * 2001-03-05 2002-09-12 Fargo Electronics, Inc. Imprimante a feuilles d'image retournee
US6979141B2 (en) 2001-03-05 2005-12-27 Fargo Electronics, Inc. Identification cards, protective coatings, films, and methods for forming the same
US7037013B2 (en) 2001-03-05 2006-05-02 Fargo Electronics, Inc. Ink-receptive card substrate
US7399131B2 (en) 2001-03-05 2008-07-15 Fargo Electronics, Inc. Method and Device for forming an ink-receptive card substrate
US8956490B1 (en) * 2007-06-25 2015-02-17 Assa Abloy Ab Identification card substrate surface protection using a laminated coating
US10632740B2 (en) 2010-04-23 2020-04-28 Landa Corporation Ltd. Digital printing process
EP2612762A4 (fr) * 2010-08-31 2018-01-10 Dainippon Printing Co., Ltd. Support de transfert intermédiaire
US10357985B2 (en) 2012-03-05 2019-07-23 Landa Corporation Ltd. Printing system
CN104245340A (zh) * 2012-03-05 2014-12-24 兰达公司 释放层的处理
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US9643400B2 (en) 2012-03-05 2017-05-09 Landa Corporation Ltd. Treatment of release layer
US10642198B2 (en) 2012-03-05 2020-05-05 Landa Corporation Ltd. Intermediate transfer members for use with indirect printing systems and protonatable intermediate transfer members for use with indirect printing systems
US9327496B2 (en) 2012-03-05 2016-05-03 Landa Corporation Ltd. Ink film constructions
US10179447B2 (en) 2012-03-05 2019-01-15 Landa Corporation Ltd. Digital printing system
US10190012B2 (en) 2012-03-05 2019-01-29 Landa Corporation Ltd. Treatment of release layer and inkjet ink formulations
US10195843B2 (en) 2012-03-05 2019-02-05 Landa Corporation Ltd Digital printing process
WO2013132339A1 (fr) * 2012-03-05 2013-09-12 Landa Corporation Ltd. Traitement de couche de libération
US9353273B2 (en) 2012-03-05 2016-05-31 Landa Corporation Ltd. Ink film constructions
US10266711B2 (en) 2012-03-05 2019-04-23 Landa Corporation Ltd. Ink film constructions
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US10518526B2 (en) 2012-03-05 2019-12-31 Landa Corporation Ltd. Apparatus and method for control or monitoring a printing system
US10357963B2 (en) 2012-03-05 2019-07-23 Landa Corporation Ltd. Digital printing process
US10434761B2 (en) 2012-03-05 2019-10-08 Landa Corporation Ltd. Digital printing process
US10201968B2 (en) 2012-03-15 2019-02-12 Landa Corporation Ltd. Endless flexible belt for a printing system
US10759953B2 (en) 2013-09-11 2020-09-01 Landa Corporation Ltd. Ink formulations and film constructions thereof
US9782993B2 (en) 2013-09-11 2017-10-10 Landa Corporation Ltd. Release layer treatment formulations
US10596804B2 (en) 2015-03-20 2020-03-24 Landa Corporation Ltd. Indirect printing system
US10226920B2 (en) 2015-04-14 2019-03-12 Landa Corporation Ltd. Apparatus for threading an intermediate transfer member of a printing system
US10933661B2 (en) 2016-05-30 2021-03-02 Landa Corporation Ltd. Digital printing process
US10889128B2 (en) 2016-05-30 2021-01-12 Landa Corporation Ltd. Intermediate transfer member
US10926532B2 (en) 2017-10-19 2021-02-23 Landa Corporation Ltd. Endless flexible belt for a printing system
US11267239B2 (en) 2017-11-19 2022-03-08 Landa Corporation Ltd. Digital printing system
US11511536B2 (en) 2017-11-27 2022-11-29 Landa Corporation Ltd. Calibration of runout error in a digital printing system
US11707943B2 (en) 2017-12-06 2023-07-25 Landa Corporation Ltd. Method and apparatus for digital printing
US11679615B2 (en) 2017-12-07 2023-06-20 Landa Corporation Ltd. Digital printing process and method
US11465426B2 (en) 2018-06-26 2022-10-11 Landa Corporation Ltd. Intermediate transfer member for a digital printing system
US10994528B1 (en) 2018-08-02 2021-05-04 Landa Corporation Ltd. Digital printing system with flexible intermediate transfer member
US12001902B2 (en) 2018-08-13 2024-06-04 Landa Corporation Ltd. Correcting distortions in digital printing by implanting dummy pixels in a digital image
US11318734B2 (en) 2018-10-08 2022-05-03 Landa Corporation Ltd. Friction reduction means for printing systems and method
US11787170B2 (en) 2018-12-24 2023-10-17 Landa Corporation Ltd. Digital printing system
US12358277B2 (en) 2019-03-31 2025-07-15 Landa Corporation Ltd. Systems and methods for preventing or minimizing printing defects in printing processes
US11833813B2 (en) 2019-11-25 2023-12-05 Landa Corporation Ltd. Drying ink in digital printing using infrared radiation
US11321028B2 (en) 2019-12-11 2022-05-03 Landa Corporation Ltd. Correcting registration errors in digital printing
US12011920B2 (en) 2019-12-29 2024-06-18 Landa Corporation Ltd. Printing method and system
US12430453B2 (en) 2021-02-02 2025-09-30 Landa Corporation Ltd. Mitigating distortions in printed images

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