EP1181409B1 - Systemes de transfert par jet d'encre pour substrats textiles fonces - Google Patents

Systemes de transfert par jet d'encre pour substrats textiles fonces Download PDF

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Publication number
EP1181409B1
EP1181409B1 EP99921049A EP99921049A EP1181409B1 EP 1181409 B1 EP1181409 B1 EP 1181409B1 EP 99921049 A EP99921049 A EP 99921049A EP 99921049 A EP99921049 A EP 99921049A EP 1181409 B1 EP1181409 B1 EP 1181409B1
Authority
EP
European Patent Office
Prior art keywords
ink
layer
transfer system
jet transfer
anyone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99921049A
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German (de)
English (en)
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EP1181409A1 (fr
Inventor
Ulf Bamberg
Peter Kummer
Ilona Stiburek
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Arkwright Inc
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Arkwright Inc
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Application filed by Arkwright Inc filed Critical Arkwright Inc
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/0057—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material where an intermediate transfer member receives the ink before transferring it on the printing material
    • 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
    • B41M5/0256—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet the transferable ink pattern being obtained by means of a computer driven printer, e.g. an ink jet or laser printer, or by electrographic means
    • 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
    • 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
    • B41M5/506—Intermediate layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
    • B44C1/1716—Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/003—Transfer printing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/003—Transfer printing
    • D06P5/007—Transfer printing using non-subliming dyes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/30—Ink jet printing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06Q—DECORATING TEXTILES
    • D06Q1/00—Decorating textiles
    • D06Q1/12—Decorating textiles by transferring a chemical agent or a metallic or non-metallic material in particulate or other form, from a solid temporary carrier to the textile
    • 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

Definitions

  • the present invention relates to an ink jet transfer system or an inkjet transfer print according to the preamble of claim 1, and a Method according to independent claims 14 and 16.
  • Transfer prints enjoy a big one Popularity because of the application of any graphic Representations, patterns, images or typefaces especially on items of clothing such as T-shirts, Sweat shirts, shirts or other textile substrates. how enable, for example, mouse pads.
  • inkjet transfer systems inkjet transfer prints
  • a first step the user of the transfer print using a computer electronically processable image, which from the computer to a suitable printer, for example an inkjet printer, which is again the desired image is printed out on the transfer system.
  • the transfer print produced in this way must have a quality have, which the further use for Printing on, for example, a textile substrate allowed.
  • a suitable transfer print the desired one graphic representation on the desired textile substrate applied for liability.
  • graphical representations with supply of heat and pressure via a hot exhaust and, if necessary, a previous one Cold deduction on the desired textile substrate applied.
  • US 5,242,739 describes image-receptive, heat-sensitive transfer paper, which comprises the following components: (a) a flexible cellulosic, non-woven, tissue-like paper, which has an upper and a lower surface and (b) an image-receptive melt transfer film layer, which is on the top surface of the Sheet support is located, c) and, if applicable, a Hotmelt interlayer.
  • the film layer is about 15 to 80 wt .-% of a film-forming binder and from about 85 to about 20% by weight of a powder thermoplastic polymer, the film-forming binder and the thermoplastic polymer has a melting point of between about 65 ° C and 180 ° C.
  • US-5,501,902 represents a further development from US-5,242,739, which also consists of a two-layer system exists, but for improvement of the printed image is still an ink viscosity agent is included. Also in transfer printing is US-5,501,902 to improve ink absorption preferably another cationic, thermoplastic Polymer included.
  • pigments for the absorption of the ink dye are usually polyester in the prior art, Polyethylene wax, ethylene-vinyl acetate copolymers and as binders polyacrylates, styrene-vinyl acetate copolymers, Nitrile rubbers, polyvinyl chloride, polyvinyl acetate, Ethylene acrylate copolymers and melamine resins called.
  • An ink jet transfer system is described in WO 98/30749 (Océ-Switzerland) described, which is a carrier material, a hot-melt layer applied to the carrier material and at least one ink receiving layer includes.
  • the ink receiving layer is a mixture a highly porous pigment and a binder, the molecules of the pigment and optionally the Binder and optionally the hot melt for training of chemical bonds with the dye molecules the ink are capable.
  • a transfer print is made on a dark textile part as part of a 2-step process or a 1-step process applied.
  • a transfer print is made on a dark textile part as part of a 2-step process or a 1-step process applied.
  • 2-step process turns a white on the back of the textile fabric finished with hot melt adhesive, with one in a xerographic process (or Ink-Jet) printed transfer film laminated and then with the hot melt side onto the dark one to be printed Garment (T-shirt) using a transfer press approx.
  • the Adhesion of the transfer printing system to the dark piece of textile is by means of a polyethylene or polyester / polyamide textile adhesion (i.e. a hot melt adhesive) the contrast pad on the textile substrate is reached.
  • the entire system is used by the user perceived as impractical than one for performing of the method a laminator and / or a textile transfer press needed, especially the wash resistance or the liability of the white contrast pad very unsatisfactory on the dark piece of textile is sustainable with every washing process deteriorated.
  • the known, using a 1-step process accessible systems are based on a white, thick transfer film with a thickness of about 400 to 600 ⁇ m, which one uses the ink jet process or xerographic Print the process and then use a Transfer the transfer press to a dark piece of textile can.
  • the disadvantages of this system are in particular unsatisfactory picture quality immediately after Transfer to the textile piece. The pictures look dull and blurred.
  • the overall system is designed comparatively thick, it looks unaesthetic (armor-like) and it is not breathable.
  • a serious one an additional disadvantage is the fact that the user, which has no transfer press and as a result on the use of a commercial iron evades with a sustained deterioration Adhesion of the transfer film faced on the textile piece becomes. This loss of liability is repeated by Washing cycles further accelerated.
  • Another disadvantage of the two conventional printing systems is their application method to the textile substrate, the application of a contrasting background to the textile piece under extremely high pressure not being able to be carried out by private individuals without adequate equipment.
  • the disadvantages set out above have had the decisive consequence that the currently sold transfer printing systems have not spread to the market as desired or have even become established. Rather, there is still a great need for satisfactory systems which do not have the disadvantages listed above.
  • a transfer printing system should for dark textile underlays, which on the one hand the desired high contrast, high Resolving power delivers and on the other hand the unsatisfactory Wash resistance due to insufficient adhesion of the Avoids transfer printing on the textile base and finally, as uncomplicated and rational as possible, i.e. as part of a 1-step process, using a Iron can be applied to a piece of textile.
  • the inkjet transfer system comprises or consists of a Base material (base layer), one on the base material applied adhesive layer - preferably a hot melt layer - which dispersed, spherical (spherical) Polyester particles with a grain size of less than 30 ⁇ m, one on the adhesive layer applied white background layer, and at least one applied on the background layer Ink receiving layer.
  • the white background layer which is located directly on the adhesive layer or according to the invention consists of one at ironing temperatures non-meltable (i.e. up to about 220 ° C), permanent elastic plastic, filled with white - likewise (up to about 220 ° C) non-meltable pigments.
  • the elastic Plastic is therefore allowed at the ironing temperature do not melt so as not to stick to the adhesive layer, e.g. the Hotmelt. which creates the liability to the textile substrate, an undesirable mixture with deteriorated (liability and to provide cover) properties.
  • the white background layer must be elastic, so as not to be subject to later mechanical loads to cause a brittle fracture.
  • Under elasticity is in According to the present invention, an elongation of at least 200%, preferably from between 500-1000% and whole understood particularly preferably from about 800%.
  • Preferred elastic plastics for the white background layer are selected from the group comprising the polyurethanes, polyacrylates or polyalkylenes or natural rubber (latex).
  • the most preferred elastic plastic contains or consists of Polyurethanes.
  • Suitable pigments are only those that do not melt at ironing temperatures.
  • the filled white layer or the polymers contained therein, such as polyurethane, must not melt, because the white pigments would otherwise sink or penetrate into the textile substrate. This would weaken or even destroy the white background color, which is to be provided according to the invention in order to provide a background for dark imprints.
  • Particularly preferred white pigments are inorganic pigments selected from the group comprising BaSO 4 , ZnS, TiO 2 , ZnO, SbO.
  • Organic pigments can also be used for the white background layer, provided that they cannot be melted at ironing temperatures. These pigments can be mixed alone or as a mixture with other (up to about 220 ° C) non-meltable carriers, such as silicates or aluminates.
  • the glued-on layer sequence provides is a sandwich structure in which the white background layer glued to the textile substrate is, with no mixing of the background layer with the adhesive layer, e.g. a hot melt layer, is possible through a melting process and the overall system is still so flexible that that on the ink receiving layer printed image representation by mechanical Stress is not released.
  • the adhesive layer e.g. a hot melt layer
  • the adhesive layer must be essentially or be completely meltable and may only be melted Condition sticky.
  • the adhesive layer which is direct is a pure hot melt layer on the carrier material.
  • the hot melt layer is essentially one waxy polymer that is easy to melt and thus, for example, by ironing on with the printed ink receiving layer on the textile substrate can be transferred.
  • the hot melt layer works, thanks their waxy properties, primarily the liability to Textile substrate.
  • the hot melt layer but also good adhesion to the white background layer, which are chemically very different (not waxy, non-meltable) is conveyed.
  • spherical polyester particles dispersed with a grain size of less than 30 microns are.
  • These spherical polyester particles are again chemically related to the white background layer (as the pure hot melt wax components), so that it adheres to the white background layer when it melts can train or strengthen.
  • a particle size of less than 30 ⁇ m is required the particles don't stick out of the layer and all that lead to malfunctions during coating.
  • the spherical Polyester particles are preferably obtained in that for example, cryogenized polyester in the manufacture a dispersion with the wax-like hot melt compound stirred in and melted into 30 ⁇ m small droplets (Emulsion).
  • a preferred hot melt connection is for example an ethylene acrylic acid copolymer or a PU dispersion. This is done with the spherical polyester particles of less than 30 ⁇ m grain size to form a hot-melt layer dispersion prepared.
  • Hot melt adhesive can be used as an adhesive layer.
  • a solvent adhesive based on polyamides or Polyethylene which on the one hand has good adhesion to the textile substrate, and on the other hand to white background layer are caused for implementation of the present invention.
  • the adhesive layer consist of a pure one Hot melt because of this being a comparatively simple one external control, i.e. by ironing, in more convenient but efficient way of knowing the desired liability Background layer and to the textile substrate.
  • the ink absorption layer (ink layer) is located on the white background layer and embraces primarily a highly porous pigment and a binder.
  • the highly porous pigment is used on the one hand for purely mechanical purposes Take up the ink when printing the desired one graphic representation, with maximum porosity a particularly high absorption capacity is guaranteed. Binders are necessary for the highly porous pigments bind to the product surface, so the processing inkjet transfer system enable.
  • an ink receiving layer come for the concerns of the present invention basically all known, especially highly porous, pigments in question:
  • Examples are polyester, PE wax, PE powder, ethylene-VAC copolymers, Nylon, epoxy compounds.
  • a binder come polyacrylates, styrene-butadiene copolymers, Ethylene-VAC copolymers, nylon, nitrile rubbers, PVC, PVAC, Ethylene acrylate copolymers in question.
  • the at least one preferably comprises Ink receiving layer, a mixture of a highly porous Pigments and a binder, being even more preferred the molecules of the highly porous pigment and optionally the binder and optionally the adhesive layer, e.g. the hot melt layer to form, essentially covalent, bonds with the dye molecules the ink are capable.
  • This has the advantage that the appropriate dyes after printing on the Textile substrate, for example by ironing, not are predominantly mechanically bound, but as a result of - essentially covalent - bonds to the molecules the pigment and the binder and optionally of the hot melt are chemically bound.
  • the molecules of the pigment and optionally of the binder and, if applicable, the hot melt have reactive groups which are used to train covalent bonds with also reactive groups of Dye molecules of the ink are capable.
  • the essentially covalent bonds between the dye molecules of the ink and the molecules of the pigment and the binder are under other trained with the supply of energy, for example by ironing (at approximately 190 ° C.) of the inventive Inkjet transfer system on the textile substrate.
  • acid dyes for example azo dyes according to the formula I
  • azo dyes are usually used in the printer inks on the market.
  • the molecules of the ink dyes are predominantly in solution as anions and also have reactive groups which allow the formation of chemical bonds with the reactive groups of the pigment molecules and, if appropriate, of the binder molecules.
  • the reactive groups are usually one or more sulfonate groups or carboxylate groups per dye molecule. Under suitable conditions, for example under heating when ironing the ink jet transfer system onto the textile substrate, covalent or rather ionic bonds or intermediate valence bonds can exist between said sulfonate groups or carboxylate groups and the reactive groups, for example amino groups, of the pigment or binder form.
  • the covalent bonds of the dye molecules with the molecules of the ink-receiving layer with formation of, for example, sulfonamides (-SO 2 NH-R) or amide groups (-CONH-R) (in addition to more zwitterionic -SO 3 - NH 3 + -R groups ) are particularly preferred.
  • the ink receiving layer of the ink jet transfer system from a highly porous pigment and a binder, at least one of the two components, especially the one that is available in large quantities Pigment, has reactive amino groups that are used for training from essentially covalent bonds to the Dye molecules of the ink liquid are capable.
  • the present invention comprises the ink-receiving layer a highly porous polyamide pigment and a binder consisting of a soluble polyamide, the terminal, free amino groups of the polyamide pigment and of the polyamide binder for fixing reactive Groups, for example sulfonate groups or carboxylate groups, the dye molecules are capable.
  • a chemical fixation of the dye molecules can be achieved.
  • the ink jet transfer system In addition to the inventive requirement of Ability to form essentially covalent Bonds between the dye molecules of the ink and the molecules of the pigment as well as the binder the ink jet transfer system according to the present Invention a high absorbency or absorption capacity of ink to produce a clear printed image to ensure.
  • This requirement is provided by a pigment, preferably a polyamide pigment, achieved with high porosity.
  • Preferred polyamide pigments which are used for the inkjet transfer systems according to the present invention preferably have a spherical, for example a spherical, geometry and the highest possible inner surface.
  • the grain sizes of the polyamide pigments used are in a range from approximately 2 ⁇ m and approximately 45 ⁇ m, a range from 2 to 10 ⁇ m being particularly preferred.
  • the inner surface of the highly porous pigment is at least about 15 m 2 / g, preferably it is between about 20-30 m 2 / g.
  • a highly porous polyamide pigment with an inner surface area of at least about 15 m 2 / g and grain sizes of about 2 ⁇ m and about 45 ⁇ m is obtained by means of anionic polyaddition and a subsequent controlled precipitation process.
  • a polyamide condensation product for example, as granules
  • the polyamide pigments are literally grown and the growth of the pigments is stopped when the desired grain size is reached.
  • 85-95% of the polyamide pigment thus obtained have the desired shape and grain size, while only a maximum of 15% have a smaller or larger grain size.
  • the binder preferably also from a Polyamide.
  • the polyamide used as a binder is in its nature differs from the polyamide pigment in that when it is used as a solution and therefore does not have to meet any special formal requirements.
  • the usage of polyamide as a binder is therefore less critical. It just has to be in a suitable solvent, for example alcohol or an alcohol-water mixture, be soluble and preferably via free terminals Have amino groups, with the help of dye molecules, for example sulfone groups of azo dyes, or ester groups can be fixed.
  • the ratio of highly porous pigment and the binder in the ink-receiving layer of the inventive Inkjet transfer system is between about 5: 1 and 1: 1, preferably 3: 1 and 2: 1, and very particularly preferably 2.4: 1.
  • the one in the inkjet transfer system according to the invention preferably used as an adhesive layer is located directly on the removable carrier material and serves the one printed by the inkjet printer transfer graphical representation to the textile substrate and liability for the white background layer guarantee.
  • This transfer is, for example by a cold trigger, i.e. by ironing, cooling and Peeling off the cover layer (baking paper).
  • a cold trigger i.e. by ironing, cooling and Peeling off the cover layer (baking paper).
  • the hot-melt layer and the ink jet absorption layer are ironed on, but not the white background layer, melted. This is how it works on the ink receiving layer printed image without melting Transfer distortions to the textile substrate.
  • hotmelt is a binder as well as the background layer, essentially waxy, i.e. it can be melted.
  • melt hot melts in a range of around 100-120 ° C, while the highly porous pigments are preferably in a range of about 120-180 ° C, preferably 140-160 ° C melt.
  • a common hot melt is, for example Ethylene acrylic acid copolymer dispersion.
  • any release paper can be used heat-resistant paper, for example, is preferred Silicone paper used.
  • step c) Applying the ink receiving layer twice / several times according to step c) has the advantage that a smooth and even surface and an ink receiving layer formed with a balanced layer thickness , whereby the printing process or the resulting Print image can be influenced positively.
  • the one to be applied to the textile substrate graphic representation is initially based on the so obtained Inkjet transfer system via a common printer, for example an inkjet printer (inkjet plotter), printed on the right side, cut out, from the Underlay (e.g. silicone paper) peeled off, with baking paper covered and then on the desired textile substrate, for example a t-shirt at a temperature of between about 160 and 220 ° C, preferably of 170 ° C, ironed on for at least 10 seconds.
  • the bottom one Layer is the carrier material, which before application subtracted from the graph and discarded becomes.
  • Heat-resistant is the preferred masking paper Silicone paper (baking paper) used.
  • the on printed graphics obtained in this way (cold print) Presentation is smooth and matt.
  • the hot melt layer applied to a carrier material: Silicone paper, about 0.1 mm thick, with ethylene acrylic acid copolymer, which dispersed, spherical polyester particles with a grain size of have between 5-25 ⁇ m, coated.
  • ethylene acrylic acid copolymer and spherical polyester particles is about 60:40 and the final one Layer thickness of the hot melt layer about 30 ⁇ m.
  • a white background layer (polyurethane film) with a thickness of approximately 40 ⁇ m and containing approximately 15% by weight of TiO 2 is then applied to the silicone paper coated with the hot melt.
  • a dispersion containing the ink-receiving layer is then applied to the elastic background layer made of polyurethane / TiO 2 in two passes.
  • a layer thickness of 15 ⁇ m is applied in the first pass and a layer thickness of 15 ⁇ m is applied in the second pass, resulting in a total layer thickness of the ink-receiving layer of 30 ⁇ m.
  • the ink-receiving layer was previously produced as follows: an ethanol / water mixture in a ratio of 3: 1 is placed in it and a soluble polyamide binder is dissolved therein while heating to 45 ° C.
  • the highly porous polyamide pigment "Orgasol 3501 EX D NAT1" with a grain size of 10 ⁇ m and an inner surface area of about 25 m 2 / g pigment is then dispersed into the solution.
  • a for organic pigments sold by Coatex provided, dispersing additive with the product name COADIS 123K introduced and the dispersion during Stirred for 10 minutes at room temperature.
  • the desired slides can be used for the necessary needs are tailored.
  • the ink jet transfer system made in Example 1 is used to display a graph to be printed on a t-shirt. It is in first step the desired electronically processable and stored graphical representation from the computer by means of an inkjet printer correctly on the Sheet printed out, which in Example 1 as an inkjet transfer system was obtained.
  • the printout is then subtracted and with the white side on the desired side of the selected one T-shirts on and using a hot iron (Baking paper + temperature of about 190 ° C) ironed on for 10 seconds. After that, this is processed T-shirt cooled to about room temperature and that Baking paper, i.e. peeled off the silicone paper. That so image obtained is glossy and matte.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Coloring (AREA)
  • Ink Jet (AREA)

Claims (16)

  1. Système de transfert par jet d'encre caractérisé en ce qu'il comprend, ou et constitué de
    a) un matériau de support,
    b) une couche de colle déposée sur le matériau de support, qui présente des particules de polyester sphériques, dispersées à l'intérieur, d'une taille de grains de moins de 30 µm,
    c) une couche de fond blanche déposée sur la couche thermofusible constituée d'une matière plastique élastique, non fusible à des températures allant jusqu'à 220 °C, qui est chargée avec des pigments blancs inorganiques, et
    d) au moins une couche de réception d'encre.
  2. Système de transfert par jet d'encre selon la revendication 1, caractérisé en ce que les molécules de la couche de réception d'encre et/ou du liant contenu à l'intérieur sont capables de former des liaisons chimiques, en particulier covalentes avec les molécules de colorant de l'encre.
  3. Système de transfert par jet d'encre selon la revendication 1 ou 2, caractérisé en ce que la couche de réception d'encre dispose de groupes réactifs, qui sont en mesure de former des liaisons essentiellement covalentes avec les molécules de colorant, en particulier les molécules de colorant azoïque ou les molécules de colorant acide de l'encre.
  4. Système de transfert par jet d'encre selon la revendication 3, caractérisé en ce que les groupes réactifs sont des groupes amino.
  5. Système de transfert par jet d'encre selon une des revendications 1 à 4, caractérisé en ce que la couche de réception d'encre contient ou est constituée d'un pigment polyamide de porosité élevée avec une surface d'au moins environ 15 m2/g, de préférence d'environ 20-30 m2/g et une taille moyenne de grains d'environ 2-25 µm, de préférence d'environ 2-10 µm, ainsi qu'un polyamide soluble comme liant, en ce que la couche thermofusible contient ou est constituée d'un polyester.
  6. Système de transfert par jet d'encre selon la revendication 5, caractérisé en ce que le pigment polyamide de porosité élevée est obtenu au moyen d'une polyaddition anionique et ensuite d'un procédé de précipitation contrôlée, les tailles de grains étant ajustées par broyage du précipité.
  7. Système de transfert par jet d'encre selon une des revendications 1 à 6, caractérisé en ce que le rapport entre le pigment poreux et le liant est entre environ 5 : 1 et 1 : 1, de préférence entre 3 : 1 et 2 : 1 et mieux encore est 2,4 : 1.
  8. Système de transfert par jet d'encre selon une des revendications 1 à 7, caractérisé en ce que la matière plastique élastique de la couche de fond blanche est choisie dans le groupe comprenant le polyuréthane, le polyacrylate, le polyalkylène, de préférence le polyuréthane.
  9. Système de transfert par jet d'encre selon une des revendications 1 à 8, caractérisé en ce que les pigments dans la couche de fond blanche sont choisis dans le groupe comprenant BaSO4, ZnS, TiO2, ZnO, SbO.
  10. Système de transfert par jet d'encre selon une des revendications 1 à 9, caractérisé en ce que la couche de colle est une couche thermofusible.
  11. Système de transfert par jet d'encre selon la revendication 10, caractérisé en ce que la couche thermofusible contient ou est constituée d'un mélange d'un copolymère d'éthylène et d'acide acrylique et de particules de polyester d'une taille de grains inférieure ou égale à 20 µm.
  12. Système de transfert par jet d'encre selon une des revendications 1 à 11, caractérisé en ce que la couche de support est constituée d'un papier de séparation résistant à la chaleur, de préférence d'un papier de silicone.
  13. Système de transfert par jet d'encre selon une des revendications 1 à 12, caractérisé en ce qu'il contient en plus encore un additif dispersant pour les pigments organiques.
  14. Procédé de préparation d'un système de transfert par jet d'encre selon une des revendications 1 à 13, comprenant les étapes suivantes :
    a) Dépôt d'une couche de colle, qui présente des particules de polyester sphériques, dispersées dedans, d'une taille de grains de moins de 30 µm, sur un matériau de support, dans lequel on ajuste une épaisseur de couche d'environ 30 à 40 µm,
    b) Dépôt d'une couche de fond blanche, constituée d'une matière plastique élastique, non fusible à des températures jusqu'à 220 °C, qui est chargée avec des pigments blancs inorganiques, sur la couche thermofusible,
    c) Dépôt d'au moins une couche de réception d'encre sur la couche de fond blanche de manière à atteindre une épaisseur totale de couche de la couche de réception d'encre d'environ 20-35 µm, et
    d) Evaporation des solvants du revêtement.
  15. Procédé selon la revendication 14, caractérisé en ce qu'on dépose deux couches de réception d'encre.
  16. Procédé d'impression de substrats textiles caractérisé en ce qu'on imprime une présentation graphique de l'ordinateur au moyen d'une imprimante sur le système de transfert par jet d'encre selon une des revendications 1 à 13 à l'endroit et qu'ensuite on repasse le substrat textile au fer chaud et en ce qu'on enlève le matériau support à froid après le refroidissement.
EP99921049A 1999-06-01 1999-06-01 Systemes de transfert par jet d'encre pour substrats textiles fonces Expired - Lifetime EP1181409B1 (fr)

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PCT/IB1999/000976 WO2000073570A1 (fr) 1999-06-01 1999-06-01 Systemes de transfert par jet d'encre pour substrats textiles fonces

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CN107885043B (zh) * 2016-09-30 2021-10-08 台湾积体电路制造股份有限公司 增进微影可印性的方法

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US20140240420A1 (en) 2014-08-28
US7943214B1 (en) 2011-05-17
US20120120170A1 (en) 2012-05-17
DE59908325D1 (de) 2004-02-19
WO2000073570A1 (fr) 2000-12-07
AU3841899A (en) 2000-12-18
AU783980B2 (en) 2006-01-12
US9669618B2 (en) 2017-06-06
US20120092429A1 (en) 2012-04-19
US20120118479A1 (en) 2012-05-17
EP1181409A1 (fr) 2002-02-27
US20130287973A1 (en) 2013-10-31
US20120007931A1 (en) 2012-01-12
US20120105560A1 (en) 2012-05-03
US20120120132A1 (en) 2012-05-17
US20140240421A1 (en) 2014-08-28
US20140044895A1 (en) 2014-02-13
US20120236099A1 (en) 2012-09-20

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