EP0692742A1 - Transfer paper and method to transfer photocopies onto textiles - Google Patents

Transfer paper and method to transfer photocopies onto textiles Download PDF

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Publication number
EP0692742A1
EP0692742A1 EP19950109403 EP95109403A EP0692742A1 EP 0692742 A1 EP0692742 A1 EP 0692742A1 EP 19950109403 EP19950109403 EP 19950109403 EP 95109403 A EP95109403 A EP 95109403A EP 0692742 A1 EP0692742 A1 EP 0692742A1
Authority
EP
European Patent Office
Prior art keywords
parts
weight
transfer paper
acrylic acid
paper according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19950109403
Other languages
German (de)
French (fr)
Inventor
Bülent Öz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OEZ, BUELENT
Original Assignee
Oz Buelent
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE4432383A external-priority patent/DE4432383C1/en
Application filed by Oz Buelent filed Critical Oz Buelent
Publication of EP0692742A1 publication Critical patent/EP0692742A1/en
Withdrawn legal-status Critical Current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
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
    • 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
    • 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
    • D06P5/001—Special chemical aspects of printing textile materials
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6588—Apparatus which relate to the handling of copy material characterised by the copy material, e.g. postcards, large copies, multi-layered materials, coloured sheet material
    • G03G15/6591—Apparatus which relate to the handling of copy material characterised by the copy material, e.g. postcards, large copies, multi-layered materials, coloured sheet material characterised by the recording material, e.g. plastic material, OHP, ceramics, tiles, textiles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
    • G03G7/002—Organic components thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
    • G03G7/002—Organic components thereof
    • G03G7/0026—Organic components thereof being macromolecular
    • G03G7/0046—Organic components thereof being macromolecular obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0093—Image-receiving members, based on materials other than paper or plastic sheets, e.g. textiles, metals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00443—Copy medium
    • G03G2215/00523—Other special types, e.g. tabbed
    • G03G2215/00527—Fabrics, e.g. textiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/914—Transfer or decalcomania
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31591—Next to cellulosic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/3179—Next to cellulosic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31801—Of wax or waxy material
    • Y10T428/31804—Next to cellulosic
    • Y10T428/31808—Cellulosic is paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31895—Paper or wood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31942—Of aldehyde or ketone condensation product
    • Y10T428/31949—Next to cellulosic
    • Y10T428/31964—Paper

Definitions

  • the present invention relates to a transfer paper and a method for transferring photocopies to textiles, such as in particular T-shirts.
  • Such transfer papers carry a pressure-absorbing plastic layer which is transferred hot to the textile, the pressure being ironed onto the textile and, if appropriate, the paper being removed after a certain cooling time, after which plastic and pressure remain on the fabric. Since the photocopy is a positive print, a negative impression is created on the textile. If you want a positive image on the tissue, a negative impression must be made before transfer, e.g. in EP-05 22 898 A1 and DE-42 10 976 A1.
  • the object of the present invention is therefore to create a transfer paper which can be used to produce positive prints directly and which furthermore have a plastic coating which ensures a higher brilliance of the image and into which a white pigment can be incorporated, in particular for printing on black textiles .
  • the only solvent water used in the production of the coating should be able to be used, as well as a washability up to over 90 ° C. and also high color fastness with repeated washing. Ultimately, ironing after washing should be dispensed with.
  • a transfer paper which has at least as a plastic coating: a polyurethane which can be crosslinked under the action of temperature through a methanol-etherified melamine-formaldehyde resin, in a mixture with an acrylic acid ester / acrylic acid copolymer, the latter being a thickener.
  • the advantage of such a coating is that the coating (after the photocopy has been produced on it) can be removed from the paper as a film and placed positively on the textile base, in order to then iron it on and connect it to the textile fibers. It is also essential that a white pigment can be incorporated into the mixture (TiO2), so that the previously required white coating of dark (black) textiles is no longer necessary and the print can be transferred immediately with a single film.
  • a mixture in the following weight ratios is particularly suitable for producing the coating: 2.5-10 parts of melamine formaldehyde resin as a 70% aqueous solution, 200-300 parts of polyurethane as a 40% aqueous dispersion and 7-36 parts of thickener in a 25% aqueous dispersion, the latter values depending on the desired application method on the paper straighten, and for the screen printing application process for finer stencils 7 and for coarser stencils 36 parts by weight are to be used. The request can of course also be made by doctoring.
  • auxiliaries such as paraffin and / or defoamers and / or wetting agents and / or leveling agents to the mixture.
  • the paraffin component serves to make it easier to remove the film from the paper and at the same time makes the surface tack-free.
  • Particularly suitable as a polyurethane component are ionic or nonionic polyether or polyester polyurethanes.
  • Sodium salt of sulfosuccinic acid is preferably used as the wetting agent and methoxymethylated melamine as the leveling agent together with nonionic surfactants in a suitable mixing ratio.
  • the coating can preferably be produced from a mixture of 2.5-10 parts by weight of methanol-etherified melamine-formaldehyde resin (dissolved in water), 0-5 parts by weight of an aqueous, anionic paraffin emulsion, 0-100 parts by weight of titanium dioxide pigment, 0-1 parts by weight of defoamer (based on mineral oil ), 200-300 parts by weight of an aqueous dispersion of anionic polyester-polyurethane, 0-0.5 parts by weight of sodium sulfosuccinate, 0.5-2 parts by weight of leveling agent and 7-36 parts by weight of a 25% aqueous dispersion of acrylic acid ester-acrylic acid copolymer, the components in 10-20 parts by weight of water are mixed and stirred to a flowable mass.
  • the titanium oxide pigment component may also be missing.
  • aqueous acrylic acid-N-butyl ester-styrene copolymer dispersion can be added to the mixture.
  • Textiles printed in accordance with the invention have the essential advantage that washing does not fade the image and thus completely eliminates the need for ironing to increase the color brilliance.
  • the paper according to the invention can be used with particular advantage in the case of dark (black) fabrics.
  • a white colored plastisol layer had to be applied to the fabric for such purposes, e.g. pressed onto paper by ironing. This had to have approximately the contour of the image, which was then cut to size and applied to the white coating.
  • the edges become blurred, the image has to be cut mirror-inverted, the contour is based on simple outlines such as Rectangles limited. If instead a transparent printed film is ironed against an opaque second film in order to then apply the composite to the textile, the difficulty is that the image has to be viewed through the backing paper for cutting, which does not allow exact results.
  • the procedure can now be much simpler.
  • the image can be easily cut out on and with the paper.
  • the polyurethane layer is then crosslinked under pressure and temperature, the temperature preferably being left to act on the back of the fabric, i.e. the fabric is ironed "left". Obviously, this eliminates a significant difficulty of all previously known printing processes, i.e. the print can be applied directly to the textile.
  • the paper on which the print was initially placed can be easily selected on the side carrying the toner, ie placed on the outside, or a correspondingly larger paper can be selected for cutting.
  • the paper can also be provided with a separating layer made of wax or silicone in a manner known per se.
  • Transfer paper for transferring colored xerocopy prints to textile substrates consisting of a backing paper and a coating thereon, the coating containing methanol-etherified melamine-formaldehyde resin as a temperature-activable crosslinking component, at least one anionic polyester-polyurethane and acrylic acid ester-acrylic acid copolymer as a thickener.
  • the substances are mixed in the 20 parts of water and homogenized, applied to a paper (e.g. doctor blade, screen printing) and allowed to set.
  • a paper e.g. doctor blade, screen printing
  • the result is a printable film which can be completely peeled off from paper and which can be ironed onto a textile at elevated temperatures.
  • the products mentioned are commercial products and are used in their distributed form.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Ceramic Engineering (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Coloring (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Transfer paper, for transferring coloured xerographic prints to textile substrates, comprises a paper base with a coating contg. (a) methanol-etherified melamine/HCHO resin (I) as crosslinker, (b) polyurethane(s) (II) and (c) acrylic ester/acrylic acid copolymer (III) as thickener.

Description

Die vorliegende Erfindung betrifft ein Transferpapier sowie ein Verfahren zur Übertragung von Fotokopien auf Textilien, wie insbesondere T-Shirts.The present invention relates to a transfer paper and a method for transferring photocopies to textiles, such as in particular T-shirts.

Derartige Transferpapiere tragen eine den Druck aufnehmende Kunststoffschicht, die heiß auf das Textil übertragen wird, wobei man den Druck auf das Textil aufbügelt und ggf. nach einer gewissen Abkühlungszeit das Papier abzieht, wonach Kunststoff und Druck auf dem Gewebe verbleiben. Da die Fotokopie ein Positivabzug ist, entsteht auf dem Textil ein Negativabdruck. Wünscht man ein Positiv-Bild auf dem Gewebe, so ist ein Negativabdruck vor dem Übertragen herzustellen, wie z.B. in der EP-05 22 898 A1 und DE-42 10 976 A1 beschrieben.Such transfer papers carry a pressure-absorbing plastic layer which is transferred hot to the textile, the pressure being ironed onto the textile and, if appropriate, the paper being removed after a certain cooling time, after which plastic and pressure remain on the fabric. Since the photocopy is a positive print, a negative impression is created on the textile. If you want a positive image on the tissue, a negative impression must be made before transfer, e.g. in EP-05 22 898 A1 and DE-42 10 976 A1.

Herkömmliche Drucke befriedigen nicht hinsichtlich der Brillianz der übertragenen Abbildung, insbesondere auf schwarzen Textilien, sowie der Waschbeständigkeit bei höheren Temperaturen. Weiße Textilien müssen nach dem Waschen nachgebügelt werden, um verblaßte Farben wieder zu verstärken.Conventional prints are unsatisfactory in terms of the brilliance of the transferred image, especially on black textiles, and the wash resistance at higher temperatures. White textiles must be ironed after washing in order to intensify faded colors.

Die vorliegende Erfindung hat sich daher die Aufgabe gestellt, ein Transferpapier zu schaffen, mit dessen Hilfe direkt positive Abdrucke herstellbar sind und die ferner eine Kunststoffbeschichtung aufweisen, die eine höhere Brillianz des Abbildes gewährleistet und in die insbesondere zum Bedrucken schwarzer Textilien ein Weißpigment eingearbeitet werden kann. Zu dem soll als einziges bei der Herstellung der Beschichtung verwendetes Lösungsmittel-Wasser eingesetzt werden können, sowie eine Waschbarkeit bis zu über 90° C und ebenso hohe Farbbeständigkeit bei wiederholtem Waschen gegeben zu sein. Letztlich soll ein Nachbügeln nach dem Waschen entfallen.The object of the present invention is therefore to create a transfer paper which can be used to produce positive prints directly and which furthermore have a plastic coating which ensures a higher brilliance of the image and into which a white pigment can be incorporated, in particular for printing on black textiles . In addition, the only solvent water used in the production of the coating should be able to be used, as well as a washability up to over 90 ° C. and also high color fastness with repeated washing. Ultimately, ironing after washing should be dispensed with.

Die Lösung dieser Aufgabe gelingt erfindungsgemäß durch ein Transferpapier, das als Kunststoffbeschichtung mindestens aufweist: ein unter Temperatureinwirkung durch ein methanolverethertes Melamin-Formaldehydharz vernetzbares Polyurethan, in Mischung mit einem Acrylsäureester-Acrylsäurecopolymer, wobei letzteres einen Verdicker darstellt.This object is achieved according to the invention by means of a transfer paper which has at least as a plastic coating: a polyurethane which can be crosslinked under the action of temperature through a methanol-etherified melamine-formaldehyde resin, in a mixture with an acrylic acid ester / acrylic acid copolymer, the latter being a thickener.

Der Vorteil einer solchen Beschichtung besteht darin, daß die Beschichtung (nach dem Herstellen der Fotokopie auf dieser) vom Papier als Folie abgezogen und positiv auf die textile Unterlage aufgelegt werden kann, um sie dann aufzubügeln und mit den Textilfasern zu verbinden. Von wesentlicher Bedeutung ist weiterhin, daß in die Mischung ein Weißpigment eingearbeitet werden kann (TiO₂), so daß die bisher erforderliche vorherige Weißbeschichtung von dunklen (schwarzen) Textilien nunmehr entfallen und der Druck sofort mit einer einzigen Folie übertragen werden kann.The advantage of such a coating is that the coating (after the photocopy has been produced on it) can be removed from the paper as a film and placed positively on the textile base, in order to then iron it on and connect it to the textile fibers. It is also essential that a white pigment can be incorporated into the mixture (TiO₂), so that the previously required white coating of dark (black) textiles is no longer necessary and the print can be transferred immediately with a single film.

Um die Griffigkeit bzw. Weichheit des Abbildes einstellen zu können, wird weiterhin vorgeschlagen, eine Mischung aus zwei Polyurethankomponenten einzusetzen, deren eine weicher ist.In order to be able to adjust the grip or softness of the image, it is further proposed to use a mixture of two polyurethane components, one of which is softer.

Besonders geeignet zur Herstellung der Beschichtung ist eine Mischung in folgenden Gewichtsverhältnissen:
2,5-10 Teile Melaminformaldehydharz als 70 %ige wässrige Lösung, 200-300 Teile Polyurethan als 40%ige wässrige Dispersion und 7-36 Teile Verdicker in 25 %iger wäßriger Dispersion, wobei die letzteren Werte sich nach dem gewünschten Auffragsverfahren auf das Papier richten, und für das Siebdruckauftragverfahren bei feineren Schablonen 7 und bei gröberen Schablonen 36 Gewichtsteile einzusetzen sind. Der Auffrag kann natürlich auch durch Rakeln erfolgen.A mixture in the following weight ratios is particularly suitable for producing the coating:
2.5-10 parts of melamine formaldehyde resin as a 70% aqueous solution, 200-300 parts of polyurethane as a 40% aqueous dispersion and 7-36 parts of thickener in a 25% aqueous dispersion, the latter values depending on the desired application method on the paper straighten, and for the screen printing application process for finer stencils 7 and for coarser stencils 36 parts by weight are to be used. The request can of course also be made by doctoring.

Zur Verbesserung der Qualität der Verarbeitbarkeit wird vorgeschlagen, der Mischung Hilfsmittel wie Paraffin und/oder Entschäumer und/oder Netzmittel und/oder Verlaufsmittel hinzuzufügen.To improve the quality of the processability, it is proposed to add auxiliaries such as paraffin and / or defoamers and / or wetting agents and / or leveling agents to the mixture.

Die Paraffinkomponente dient dabei dem leichteren Abziehen des hergestellten Films vom Papier und macht gleichzeitig die Oberfläche klebfrei.The paraffin component serves to make it easier to remove the film from the paper and at the same time makes the surface tack-free.

Als Polyurethankomponente eignen sich besonders ionische oder nichtionogene Polyether- oder Polyester-Polyurethane.Particularly suitable as a polyurethane component are ionic or nonionic polyether or polyester polyurethanes.

Bevorzugt wird als Netzmittel Natriumsalz der Sulfobernsteinsäure und als Verlaufsmittel methoxymethyliertes Melamin zusammen mit nichtionischen Tensiden in geeignetem Mischungsverhältnis eingesetzt.Sodium salt of sulfosuccinic acid is preferably used as the wetting agent and methoxymethylated melamine as the leveling agent together with nonionic surfactants in a suitable mixing ratio.

Die Beschichtung läßt sich vorzugsweise herstellen aus einer Mischung von 2,5-10 Gewichtsteilen methanolverethertem Melamin-Formaldehydharz (in Wasser gelöst), 0-5 Gewichtsteilen einer wäßrigen, anionischen Paraffinemulsion, 0-100 Gewichtsteilen Titandioxidpigment, 0-1 Gewichtsteilen Entschäumer (auf Mineralölbasis), 200-300 Gewichtsteilen einer wäßrigen Dispersion von anionischem Polyester-Polyurethan, 0-0,5 Gewichtsteilen Natriumsulfosuccinat, 0,5-2 Gewichtsteilen Verlaufsmittel und 7-36 Gewichtsteilen einer 25 %igen wäßrigen Dispersion von Acrylsäureester-Acrylsäurecopolymerisat, wobei die Komponenten in 10-20 Gewichtsteilen Wasser gemischt und zu einer fließfähigen Masse gerührt werden.The coating can preferably be produced from a mixture of 2.5-10 parts by weight of methanol-etherified melamine-formaldehyde resin (dissolved in water), 0-5 parts by weight of an aqueous, anionic paraffin emulsion, 0-100 parts by weight of titanium dioxide pigment, 0-1 parts by weight of defoamer (based on mineral oil ), 200-300 parts by weight of an aqueous dispersion of anionic polyester-polyurethane, 0-0.5 parts by weight of sodium sulfosuccinate, 0.5-2 parts by weight of leveling agent and 7-36 parts by weight of a 25% aqueous dispersion of acrylic acid ester-acrylic acid copolymer, the components in 10-20 parts by weight of water are mixed and stirred to a flowable mass.

Sollen weiße Textilien bedruckt werden, so kann die Titanoxidpigmentkomponente auch fehlen.If white textiles are to be printed, the titanium oxide pigment component may also be missing.

Es können bis zu 50 Gewichtsteile einer wäßrigen Acrylsäure-N-Butylester-Styrol-Copolymerdispersion der Mischung beigefügt sein.Up to 50 parts by weight of an aqueous acrylic acid-N-butyl ester-styrene copolymer dispersion can be added to the mixture.

Weiterhin wird vorgeschlagen, zwischen dem Papier (Gewicht ca. 100 g/m²) und der Polyurethanschicht eine Beschichtung aus einem Ethylenvinylacetat-Terpolymer vorzugsweise mit 9-28 % Vinylacetat und 0,5-3 % Maleinsäuregruppen vorzusehen. Diese Schicht bewirkt wesentliche Vorteile - zum einen entsteht eine hochtemperaturfeste, bis etwa 95° C waschbare Beschichtung, zum zweiten wird ein matter weicher Griff erzielt bei unverminderter Farbkraft und sehr hoher Waschbeständigkeit.It is further proposed to provide a coating of an ethylene vinyl acetate terpolymer, preferably with 9-28% vinyl acetate and 0.5-3% maleic acid groups, between the paper (weight approx. 100 g / m²) and the polyurethane layer. This layer has significant advantages - on the one hand a high temperature resistant, washable up to 95 ° C coating, on the other hand a matt soft handle is achieved with undiminished color strength and very high wash resistance.

Erfindungsgemäß bedruckte Textilien weisen den wesentlichen Vorteil auf, daß durch das Waschen das Abbild nicht verblaßt und ein Nachbügeln zur Erhöhung der Farbrillianz somit vollständig entfällt.Textiles printed in accordance with the invention have the essential advantage that washing does not fade the image and thus completely eliminates the need for ironing to increase the color brilliance.

Mit besonderem Vorteil läßt sich das erfindungsgemäße Papier bei dunklen (schwarzen) Geweben verwenden.The paper according to the invention can be used with particular advantage in the case of dark (black) fabrics.

Bisher mußte für solche Zwecke auf das Gewebe zunächst eine weiß eingefärbte Plastisolschicht aufgetragen, z.B. von einem Papier durch Bügeln aufgepreßt werden. Dieses mußte etwa die Kontur der Abbildung aufweisen, die dann, entsprechend zugeschnitten, auf die weiße Beschichtung aufgetragen wird. Dabei treten vielfältige Probleme auf, die Ränder werden unscharf, das Bild muß spiegelverkehrt geschnitten werden, die Kontur ist auf einfache Umrisse wie z.B. Rechtecke beschränkt. Wird statt dessen eine transparente bedruckte Folie gegen eine opake zweite Folie gebügelt um den Verbund danach auf das Textil aufzubringen, so besteht die Schwierigkeit darin, daß die Abbildung zum Ausschneiden durch das Trägerpapier hindurch betrachtet werden muß, was keine exakten Ergebnisse zuläßt.Previously, a white colored plastisol layer had to be applied to the fabric for such purposes, e.g. pressed onto paper by ironing. This had to have approximately the contour of the image, which was then cut to size and applied to the white coating. Various problems arise, the edges become blurred, the image has to be cut mirror-inverted, the contour is based on simple outlines such as Rectangles limited. If instead a transparent printed film is ironed against an opaque second film in order to then apply the composite to the textile, the difficulty is that the image has to be viewed through the backing paper for cutting, which does not allow exact results.

Erfindungsgemäß kann nunmehr viel einfacher vorgegangen werden. Nach dem Bedrucken des beschichteten Papiers z.B. mit Hilfe eines Fotokopiergerätes kann das Bild auf dem Papier und mit diesem mühelos ausgeschnitten werden. Danach löst man die als Folie auf dem Papier adhäsiv gebundene Beschichtung ab und legt sie mit der Sichtseite, d.h. in positiver Abbildung auf die Textilunterlage. Anschließend wird unter Druck und Temperatur die Polyurethanschicht vernetzt, wobei vorzugsweise die Temperatur von der Rückseite des Gewebes einwirken gelassen wird, d.h. das Gewebe wird "links" gebügelt. Erkennbar entfällt damit eine wesentliche Schwierigkeit aller bisher bekannten Druckverfahren, d.h. der Druck kann direkt auf das Textil aufgetragen werden.According to the invention, the procedure can now be much simpler. After printing on the coated paper e.g. With the help of a photocopier, the image can be easily cut out on and with the paper. Then remove the coating that is adhesively bound as a film on the paper and place it with the visible side, i.e. in a positive illustration on the textile base. The polyurethane layer is then crosslinked under pressure and temperature, the temperature preferably being left to act on the back of the fabric, i.e. the fabric is ironed "left". Obviously, this eliminates a significant difficulty of all previously known printing processes, i.e. the print can be applied directly to the textile.

Um die Folie beim Bügeln zu schützen, kann in einfacher Weise das Papier, auf dem sich der Druck zunächst befand, auf die den Toner tragende Seite, d.h. außen aufgelegt, oder aber bei Zuschnitten ein entsprechendes größeres Papier gewählt werden.In order to protect the film during ironing, the paper on which the print was initially placed can be easily selected on the side carrying the toner, ie placed on the outside, or a correspondingly larger paper can be selected for cutting.

Zum leichteren Abziehen der Folienbeschichtung kann das Papier mit einer Trennschicht auch in ansich bekannter Weise aus Wachs oder Silikon versehen sein.To make it easier to remove the film coating, the paper can also be provided with a separating layer made of wax or silicone in a manner known per se.

Anhand der folgenden Beispiele wird die vorliegende Erfindung näher erläutert.The present invention is illustrated by the following examples.

Beispiel 1example 1

Transferpapier zum Übertragen von farbigen Xerokopiedrucken auf textile Unterlagen, bestehend aus einem Trägerpapier sowie einer darauf befindlichen Beschichtung, wobei die Beschichtung methanolverethertes Melamin-Formaldehydharz als durch Temperatur aktivierbare Vernetzungskomponente, mindestens ein anionisches Polyester-Polyurethan sowie Acrylsäureester-Acrylsäure-Copolymer als Verdicker enthält.Transfer paper for transferring colored xerocopy prints to textile substrates, consisting of a backing paper and a coating thereon, the coating containing methanol-etherified melamine-formaldehyde resin as a temperature-activable crosslinking component, at least one anionic polyester-polyurethane and acrylic acid ester-acrylic acid copolymer as a thickener.

Beispiel 2Example 2

20 Teile20 parts
Wasserwater
5 Teile5 parts
wäßrige 60 %ige anionische Paraffinemulsion (Basophob; Wz BASF)aqueous 60% anionic paraffin emulsion (Basophob; Wz BASF)
5 Teile5 parts
methanolverethertes Melamin-Formaldehydharz in 70 %iger wäßriger Lösung (Saduren DS 2060; Wz BASF)methanol-etherified melamine-formaldehyde resin in 70% aqueous solution (Saduren DS 2060; Wz BASF)
80 Teile80 parts
aufgeschäumtes Titanoxid, Rutilmodifikation (Helizarin weiß; Wz BASF)foamed titanium oxide, rutile modification (Helizarin white; Wz BASF)
0,2 Teile0.2 parts
Entschäumer auf Mineralölbasis (Nopco 8034 E; Wz Münzig Chemie)Mineral oil-based defoamer (Nopco 8034 E; Wz Münzig Chemie)
150 Teile150 pieces
anionisches Polyester-Polyurethan in 40 %iger wäßriger Dispersion (Emuldur DS 2299; Wz BASF)anionic polyester-polyurethane in 40% aqueous dispersion (Emuldur DS 2299; Wz BASF)
0,2 Teile0.2 parts
Natriumsulfosuccinat (Lumiten IRA; Wz BASF) (50 %ig, Wasser)Sodium sulfosuccinate (Lumiten IRA; Wz BASF) (50%, water)
2 Teile2 parts
methoxymethyliertes Melamin in Mischung mit nichtionischen Tensiden (Luprintol M; Wz BASF)methoxymethylated melamine in a mixture with nonionic surfactants (Luprintol M; Wz BASF)
20 Teile20 parts
Acrylsäureester-Acrylsäure-Copolymerisat in 25 %iger wäßriger Dispersion (Latekoll D; Wz BASF).Acrylic acid-acrylic acid copolymer in 25% aqueous dispersion (Latekoll D; Wz BASF).

Die Substanzen werden in den 20 Teilen Wasser gemischt und homogenisiert, auf ein Papier aufgetragen (z. B: Rakeln, Siebdruck) und abbinden lassen. Es entsteht ein vom Papier vollständig abziehbarer bedruckbarer Film, der sich bei erhöhten Temperaturen auf ein Textil aufbügeln läßt.The substances are mixed in the 20 parts of water and homogenized, applied to a paper (e.g. doctor blade, screen printing) and allowed to set. The result is a printable film which can be completely peeled off from paper and which can be ironed onto a textile at elevated temperatures.

Beispiel 3Example 3

In 30 Teile Wasser werden eingegeben:

5 Teile
methanolverethertes Melamin-Formaldehydharz (Saduren DS 2060)
80 Teile
Rutilpigment (Helizarin Weiß RTU)
0,5 Teile
Entschäumer (Nopco 8034 E)
100 Teile
Acrylsäure-N-Butylester-Styrol-Copolymerisat in wäßriger Dispersion (Acronal S 795; Wz BASF)
100 Teile
anionisches Polyester-Polyurethan in wäßriger Dispersion (Emuldur DS 2299)
0,2 Teile
Natriumsulfosuccinat (Lumiten IRA)
2 Teile
methoxymethyliertes Melamin in Wasser/Lösemittel mit nichtionischen Tensiden (Luprintol M)
30 Teile
Acrylsäureester-Acrylsäurecopolymerisat (Latekoll D, 25 %ig)
The following are introduced into 30 parts of water:
5 parts
methanol-etherified melamine-formaldehyde resin (Saduren DS 2060)
80 parts
Rutile pigment (Helizarin White RTU)
0.5 parts
Defoamer (Nopco 8034 E)
100 parts
Acrylic acid-N-butyl ester-styrene copolymer in aqueous dispersion (Acronal S 795; Wz BASF)
100 parts
anionic polyester-polyurethane in aqueous dispersion (Emuldur DS 2299)
0.2 parts
Sodium sulfosuccinate (Lumiten IRA)
2 parts
methoxymethylated melamine in water / solvent with non-ionic surfactants (Luprintol M)
30 parts
Acrylic acid ester-acrylic acid copolymer (Latekoll D, 25%)

Beispiel 4Example 4

Mischung für weiße Textilien ohne Pigmentzusatz:

10 Teile
Wasser
5 Teile
Basophob WDS
10 Teile
Saduren DS 2060
0,2 Teile
Lumiten IRA
100 Teile
Emuldur DS 2299
36 Teile
Latekoll D
Es entsteht eine relativ dicke, rakelfähige Masse.Mixture for white textiles without pigment addition:
10 parts
water
5 parts
Basophob WDS
10 parts
Saduren DS 2060
0.2 parts
Lumiten IRA
100 parts
Emuldur DS 2299
36 parts
Latekoll D
The result is a relatively thick, squeegee mass.

Beispiel 5Example 5

10 Teile
Wasser
5 Teile
Basophob WDS
100 Teile
Saduren DES 2060
0,2 Teile
Lumiten IRA
190 Teile
Emuldur 381 A
50 Teile
Acronal S 795
70 Teile
Latekoll D
Es entsteht eine relativ dünnflüssige Mischung, die im Siebdruck durch eine feine Schablone ausbringbar ist.
10 parts
water
5 parts
Basophob WDS
100 parts
Saduren DES 2060
0.2 parts
Lumiten IRA
190 parts
Emuldur 381 A
50 parts
Acronal S 795
70 parts
Latekoll D
The result is a relatively thin mixture that can be applied in screen printing using a fine stencil.

Die genannten Produkte sind Handelsprodukte und werden in der vertriebenen Form eingesetzt.The products mentioned are commercial products and are used in their distributed form.

Claims (8)

Transferpapier zum Übertragen von farbigen Xerokopiedrucken auf textile Unterlagen, bestehend aus einem Trägerpapier sowie einer darauf befindlichen Beschichtung, dadurch gekennzeichnet, daß die Beschichtung enthält a) methanolverethertes Melamin-Formaldehydharz als Vernetzungskomponente; b) mindestens ein anionisches Polyester-Polyurethan; c) Acrylsäureester-Acrylsäure-Copolymer als Verdicker. Transfer paper for transferring colored xerocopy prints to textile documents, consisting of a backing paper and a coating thereon, characterized in that the coating contains a) methanol-etherified melamine-formaldehyde resin as crosslinking component; b) at least one anionic polyester polyurethane; c) acrylic acid ester-acrylic acid copolymer as a thickener. Transferpapier nach Anspruch 1, dadurch gekennzeichnet, daß die Mischung zusätzlich als Pigment Titandioxid enthält.Transfer paper according to claim 1, characterized in that the mixture additionally contains titanium dioxide as pigment. Transferpapier nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß als Polyurethankomponente eine Mischung aus zwei anionischen Polyester-Polyurethanen eingesetzt ist.Transfer paper according to claim 1 or 2, characterized in that a mixture of two anionic polyester-polyurethanes is used as the polyurethane component. Transferpapier nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Komponenten in folgendem Mengenverhältnis vorliegen:
2,5 bis 10 Teile Melaminformaldehydharz
200 bis 300 Teile Polyester-Polyurethan und
60-360 Teile Verdicker.Transfer paper according to one or more of claims 1 to 3, characterized in that the components are present in the following quantitative ratio:
2.5 to 10 parts of melamine formaldehyde resin
200 to 300 parts of polyester polyurethane and
60-360 parts of thickener. Transferpapier nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Mischung zusätzlich enthält Paraffin und/oder Entschäumer und/oder Netzmittel und/oder Verlaufsmittel.Transfer paper according to one or more of claims 1 to 4, characterized in that the mixture additionally contains paraffin and / or defoamer and / or wetting agent and / or leveling agent. Transferpapier nach Anspruch 5, dadurch gekennzeichnet, daß als Netzmittel das Natriumsalz eines Sulfobernsteinsäureesters und als Verlaufsmittel methoxymethyliertes Melamin zusammen mit nichtionischem Tensid eingesetzt sind.Transfer paper according to claim 5, characterized in that the sodium salt of a sulfosuccinic acid ester as wetting agent and as leveling agent methoxymethylated melamine are used together with nonionic surfactant. Transferpapier nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Beschichtung erhalten ist aus einer fließfähigen Zusammensetzung enthaltend - 10 - 20 Gewichtsteile   Wasser - 2,5 - 10 Gewichtsteile   methanolverethertes Melamin-Formaldehydharz in Wasser gelöst - 0 - 5 Gewichtsteile   einer wäßrigen anionischen Paraffinemulsion - 0 - 100 Gewichtsteilen   Titanoxidpigment - 0 - 1 Gewichtsteilen   Entschäumer auf Mineralölbasis - 200 - 300 Gewichtsteilen   einer wäßrigen Dispersion von anionischen Polyester-Polyurethan - 0 - 0,5 Gewichtsteilen   Natriumsulfosuccinat - 0,5 - 2 Gewichtsteile   Verlaufsmittel - 30 - 180 Gewichtsteile   einer 25 %igen wäßrigen Dispersion von Acrylsäureester-Acrylsäurecopolymerisat. Transfer paper according to one or more of claims 1 to 6, characterized in that the coating is obtained from a flowable composition containing - 10 - 20 parts by weight of water - 2.5 - 10 parts by weight of methanol-etherified melamine-formaldehyde resin dissolved in water - 0 - 5 parts by weight of an aqueous anionic paraffin emulsion - 0 - 100 parts by weight of titanium oxide pigment - 0 - 1 parts by weight defoamer based on mineral oil - 200-300 parts by weight of an aqueous dispersion of anionic polyester-polyurethane - 0 - 0.5 parts by weight of sodium sulfosuccinate - 0.5 - 2 parts by weight of leveling agent - 30 - 180 parts by weight of a 25% aqueous dispersion of acrylic acid-acrylic acid copolymer. Transferpapier nach Anspruch 7, dadurch gekennzeichnet, daß zusätzlich bis zu 50 Gewichtsteile einer wäßrigen Acrylsäure-N-Butylester-Stryrol-Copolymerdispersion in der Mischung vorhanden sind.Transfer paper according to claim 7, characterized in that up to 50 parts by weight of an aqueous acrylic acid-N-butyl ester-styrene copolymer dispersion are additionally present in the mixture.
EP19950109403 1994-07-11 1995-06-17 Transfer paper and method to transfer photocopies onto textiles Withdrawn EP0692742A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4424033 1994-07-11
DE4424033 1994-07-11
DE4432383 1994-09-12
DE4432383A DE4432383C1 (en) 1994-07-11 1994-09-12 Transfer paper and its use for transferring photocopies to textiles
US08/558,110 US5665476A (en) 1994-07-11 1995-11-13 Transfer paper and a process for transferring photocopies to textiles

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DE60020688D1 (en) 1999-04-01 2005-07-14 Foto Wear Inc POLYMERIC COMPOSITION AND PRINT OR COPIER UNITS TRANSFER SHEET THAT CONTAINS THIS COMPOSITION
CA2367433A1 (en) 1999-04-15 2000-10-26 Foto-Wear, Inc. Heat sealable coating for manual and electronic marking and process for heat sealing the image
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US6884311B1 (en) 1999-09-09 2005-04-26 Jodi A. Dalvey Method of image transfer on a colored base
WO2001025856A1 (en) 1999-10-01 2001-04-12 Foto-Wear, Inc. Image transfer material with image receiving layer and heat transfer process using the same
US6667093B2 (en) 2001-04-19 2003-12-23 Arkwright Incorporated Ink-jet printable transfer papers for use with fabric materials
US6582803B2 (en) * 2001-07-09 2003-06-24 Arkwright Incorporated Ink-jet printable transfer media comprising a paper backing containing removable panels
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