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EP2236307B1 - Production of transfer paper for inkjet printing - Google Patents

Production of transfer paper for inkjet printing Download PDF

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Publication number
EP2236307B1
EP2236307B1 EP09004614A EP09004614A EP2236307B1 EP 2236307 B1 EP2236307 B1 EP 2236307B1 EP 09004614 A EP09004614 A EP 09004614A EP 09004614 A EP09004614 A EP 09004614A EP 2236307 B1 EP2236307 B1 EP 2236307B1
Authority
EP
European Patent Office
Prior art keywords
paper
transfer paper
printed
ammonium polyacrylate
aqueous fluid
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.)
Active
Application number
EP09004614A
Other languages
German (de)
French (fr)
Other versions
EP2236307A1 (en
Inventor
Zvonimir Martinovic
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.)
AZOURITE VENTURES Ltd
Original Assignee
AZOURITE VENTURES Ltd
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 to SI200930364T priority Critical patent/SI2236307T1/en
Application filed by AZOURITE VENTURES Ltd filed Critical AZOURITE VENTURES Ltd
Priority to EP09004614A priority patent/EP2236307B1/en
Priority to DK09004614.5T priority patent/DK2236307T3/en
Priority to RS20120454A priority patent/RS52506B/en
Priority to PT09004614T priority patent/PT2236307E/en
Priority to PL09004614T priority patent/PL2236307T3/en
Priority to ES09004614T priority patent/ES2391803T3/en
Priority to US13/262,290 priority patent/US20120160119A1/en
Priority to JP2012502638A priority patent/JP2012521909A/en
Priority to CA2757235A priority patent/CA2757235A1/en
Priority to AU2010230208A priority patent/AU2010230208A1/en
Priority to PCT/EP2010/054204 priority patent/WO2010112507A1/en
Priority to CN2010800224695A priority patent/CN102448731A/en
Publication of EP2236307A1 publication Critical patent/EP2236307A1/en
Application granted granted Critical
Publication of EP2236307B1 publication Critical patent/EP2236307B1/en
Priority to CY20121100969T priority patent/CY1113213T1/en
Priority to HRP20120838AT priority patent/HRP20120838T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B41M5/025—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
    • B41M5/025—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
    • B41M5/0355—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 characterised by the macromolecular coating or impregnation used to obtain dye receptive properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5245—Macromolecular coatings characterised by the use of polymers containing cationic or anionic groups, e.g. mordants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers

Definitions

  • the present invention relates to a process for producing transfer papers, transfer papers produced by the process and transfer printing processes.
  • Transfer printing refers to the printing of different materials, such as textiles, using transfer papers. Transfer papers are coated with pigments, which are then transferred to the printable materials by sublimation using a thermal transfer press.
  • WO 00/06392 discloses a transfer paper, in particular for inkjet printing, which is provided at least on the side to be printed with a release or barrier layer, wherein the layer has a porosity of at most 100 ml / min.
  • US 2001/031344 discloses a method of making transfer paper by applying ink to a receptor.
  • transfer papers A disadvantage often encountered with known transfer papers is that the e.g. smeared by ink jet printing applied pigments. This problem occurs even with the use of transfer papers coated with hydrophilic polymers such as carboxymethylcellulose prior to application of the pigment layer.
  • the starting material used for the preparation of the transfer paper is a common paper, for example white or unbleached paper, with a weight of usually 60-140 g, in particular 80-120 g per m 2 of paper.
  • the front side to be printed i. the side which is subsequently coated with pigments is contacted with a first aqueous liquid containing ammonium polyacrylate.
  • the ammonium polyacrylate used for coating usually has a weight-average molecular weight of 500 Da or more, e.g. 1000-5000 Da and in particular 1000-2000 Da.
  • the first aqueous liquid preferably contains ammonium polyacrylate in a proportion of 10-50% by weight, in particular in a proportion of 20-40% by weight, based on the total weight of the liquid.
  • the first aqueous liquid may be prepared by conventional methods, e.g. by means of a doctor such as a doctor blade or a roller blade, or by spraying. After application, the paper is usually heated at elevated temperature, e.g. 40-80 ° C, dried.
  • Step (b) preferably comprises applying a second aqueous liquid to the back of the paper and then drying.
  • the second aqueous liquid contains a hydrophilic organic polymer, in particular ammonium polyacrylate.
  • the second aqueous liquid preferably contains ammonium polyacrylate or another organic polymer in a proportion of 5 to 30% by weight, in particular in a proportion of 10 to 20% by weight, based on the total weight of the liquid.
  • the application of the second liquid and The subsequent drying can be carried out by known methods as in the case of the first liquid.
  • the first and optionally the second aqueous liquid are usually applied in an amount of 10-40 g, in particular 15-25 g per m 2 of paper, and in some embodiments, higher or lower amounts can be applied. It is further preferred that the ammonium polyacrylate is applied in an amount of 1-25 g, in particular 2-20 g dry weight on the front side of the paper. On the back side, the ammonium polyacrylate (or another hydrophilic polymer) is preferably applied in an amount of 0.5-15 g, in particular 1-10 g dry weight.
  • the first aqueous liquid and optionally also the second aqueous liquid may have a neutral to alkaline pH, e.g. have a pH ⁇ 7, for example ⁇ 9.
  • the remainder of the liquid is preferably water.
  • the proportion of water in the first liquid is preferably ⁇ 50 wt .-%, in particular ⁇ 70 wt .-%.
  • Organic volatile solvents are preferably absent.
  • colloidal SiO 2 10-30% by weight NaOH 0.1-0.5% by weight ammonium polyacrylate 20-40% by weight Balance H 2 O
  • a preferred example of an aqueous liquid for coating the paper back is as follows: ammonium polyacrylate 10-20% by weight Balance H 2 O
  • Another aspect of the invention is the use of an aqueous liquid containing ammonium polyacrylate for the production of transfer paper, in particular for ink-jet printing.
  • the aqueous liquid can be used to coat the front and / or back of transfer paper as previously described.
  • Yet another aspect of the present invention is a transfer paper, especially for ink jet printing, on the front side to be printed and optionally on the back with ammonium polyacrylate, in particular in the amounts given above, for example in an amount of 1-25 g per m 2 paper on the front and eg 0.5-15 g per m 2 of paper on the back, is coated.
  • the coating in particular the coating of the front side, may additionally contain additives as indicated above.
  • Yet another aspect of the invention is a process for printing transfer paper comprising applying a layer of sublimable pigments to the front side of a transfer paper as previously described, e.g. by ink jet printing, applying.
  • the pigments can be used in conventional printing inks with common equipment, e.g. Inkjet printers are applied by known methods. After application, the printed transfer paper is dried at room temperature or at elevated temperature up to 80 ° C. Surprisingly, it was found that the pigments show no tendency to smear during application and drying.
  • the printed transfer paper can be used in a known manner for printing on objects, in particular textiles.
  • Yet another aspect of the present invention is thus a printed transfer paper for printing on objects, in particular textiles, which is coated on the front with sublimable pigments and ammonium polyacrylate.
  • the textiles to be printed are usually uncoloured or white.
  • pre-dyed textiles can be used. These are usually textiles containing a share of contain at least 50-60 wt.% Polyester and / or polyamide fibers, or which are coated with polyester and / or polyamide.
  • stretchable textiles can also be coated without smearing with the transfer paper according to the invention.
  • a first coating liquid is advantageously used, which contains in addition to the ammonium polyacrylate, a polyhydric alcohol, such as glycerol, and / or a cellulose derivative, such as carboxymethyl cellulose.
  • the paper coated with such a liquid adheres to the material to be printed upon heating, so that the ink transfer of paper to the material to be printed by conventional roller printing without smearing the pigments is possible.
  • Yet another object of the invention is thus a method for printing objects, in particular textiles, characterized in that one brings the object to be printed with a printed transfer paper as described above at elevated temperature, for example 160-240 ° C, in contact that sublimable pigments are transferred from the transfer paper to the object to be printed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Paper (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Description

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Transferpapieren, die durch das Verfahren hergestellten Transferpapiere und Transferdruckverfahren.The present invention relates to a process for producing transfer papers, transfer papers produced by the process and transfer printing processes.

Transferdruck bezeichnet das Bedrucken unterschiedlicher Materialien, wie etwa Textilien, mithilfe von Transferpapieren. Transferpapiere werden mit Pigmenten beschichtet, die dann mit einer Thermotransferpresse durch Sublimation auf die bedruckbaren Materialien übertragen werden.Transfer printing refers to the printing of different materials, such as textiles, using transfer papers. Transfer papers are coated with pigments, which are then transferred to the printable materials by sublimation using a thermal transfer press.

WO 00/06392 offenbart ein Transferpapier insbesondere für Tintenstrahldruck, das zumindest auf der zu bedruckenden Seite mit einer Löse- oder Sperrschicht versehen ist, wobei die Schicht eine Porosität von höchstens 100 ml/min aufweist. WO 00/06392 discloses a transfer paper, in particular for inkjet printing, which is provided at least on the side to be printed with a release or barrier layer, wherein the layer has a porosity of at most 100 ml / min.

US 2001/031344 offenbart ein Verfahren zur Herstellung von Transferpapier, bei dem Tinte auf einen Rezeptor aufgetragen wird. US 2001/031344 discloses a method of making transfer paper by applying ink to a receptor.

Ein bei bekannten Transferpapieren oftmals auftretender Nachteil besteht darin, dass die z.B. mittels Tintenstrahldruck aufgebrachten Pigmente verschmieren. Dieses Problem tritt selbst bei Verwendung von Transferpapieren auf, die vor Aufbringen der Pigmentschicht mit hydrophilen Polymeren, wie etwa Carboxymethylcellulose, beschichtet worden sind.A disadvantage often encountered with known transfer papers is that the e.g. smeared by ink jet printing applied pigments. This problem occurs even with the use of transfer papers coated with hydrophilic polymers such as carboxymethylcellulose prior to application of the pigment layer.

Überraschenderweise wurde festgestellt, dass bei Beschichtung der Transferpapiere mit wässrigen Flüssigkeiten, die Ammoniumpolyacrylat enthalten, die oben geschilderten Nachteile zumindest weitgehend vermieden werden können.Surprisingly, it was found that when coating the transfer papers with aqueous liquids containing ammonium polyacrylate, the disadvantages described above can be at least largely avoided.

Ein erster Aspekt der Erfindung betrifft somit ein Verfahren zur Herstellung von Transferpapier, insbesondere für den Tintenstrahldruck, umfassend die Schritte:

  • (a) Aufbringen einer ersten wässrigen Flüssigkeit auf die zu bedruckende Vorderseite eines Papiers, wobei die erste wässrige Flüssigkeit Ammoniumpolyacrylat enthält, und nachfolgendes Trocknen und
  • (b) gegebenenfalls Aufbringen einer zweiten wässrigen Flüssigkeit auf die Rückseite des Papiers und nachfolgendes Trocknen, wobei die zweite wässrige Flüssigkeit gegebenenfalls Ammoniumpolyacrylat enthält.
A first aspect of the invention thus relates to a method for the production transfer paper, in particular for ink-jet printing, comprising the steps:
  • (a) applying a first aqueous liquid to the printable Front side of a paper, wherein the first aqueous liquid contains ammonium polyacrylate, and subsequent drying and
  • (b) optionally applying a second aqueous liquid to the back of the paper and then drying, wherein the second aqueous liquid optionally contains ammonium polyacrylate.

Das zur Herstellung des Transferpapiers verwendete Ausgangsmaterial ist ein gebräuchliches Papier, z.B. weißes oder ungebleichtes Papier, mit einem Gewicht von üblicherweise 60-140 g, insbesondere 80-120 g pro m2 Papier.The starting material used for the preparation of the transfer paper is a common paper, for example white or unbleached paper, with a weight of usually 60-140 g, in particular 80-120 g per m 2 of paper.

Gemäß Schritt (a) des erfindungsgemäßen Verfahrens wird die zu bedruckende Vorderseite, d.h. diejenige Seite, die anschließend mit Pigmenten beschichtet wird, mit einer ersten wässrigen Flüssigkeit in Kontakt gebracht, die Ammoniumpolyacrylat enthält. Das zur Beschichtung verwendete Ammoniumpolyacrylat hat üblicherweise ein gewichtsmittleres Molekulargewicht von 500 Da oder mehr, z.B. 1000-5000 Da und insbesondere 1000-2000 Da. Vorzugsweise enthält die erste wässrige Flüssigkeit Ammoniumpolyacrylat in einem Anteil von 10-50 Gew.-%, insbesondere in einem Anteil von 20-40 Gew.-% bezogen auf das Gesamtgewicht der Flüssigkeit. Die erste wässrige Flüssigkeit kann durch übliche Methoden, z.B. mittels einem Rakel wie etwa einer Rakelklinge oder einem Rollenrakel, oder durch Sprühen aufgebracht werden. Nach dem Aufbringen wird das Papier üblicherweise bei erhöhter Temperatur, z.B. 40-80 °C, getrocknet.According to step (a) of the method according to the invention, the front side to be printed, i. the side which is subsequently coated with pigments is contacted with a first aqueous liquid containing ammonium polyacrylate. The ammonium polyacrylate used for coating usually has a weight-average molecular weight of 500 Da or more, e.g. 1000-5000 Da and in particular 1000-2000 Da. The first aqueous liquid preferably contains ammonium polyacrylate in a proportion of 10-50% by weight, in particular in a proportion of 20-40% by weight, based on the total weight of the liquid. The first aqueous liquid may be prepared by conventional methods, e.g. by means of a doctor such as a doctor blade or a roller blade, or by spraying. After application, the paper is usually heated at elevated temperature, e.g. 40-80 ° C, dried.

Schritt (b) umfasst vorzugsweise das Aufbringen einer zweiten wässrigen Flüssigkeit auf die Rückseite des Papiers und nachfolgendes Trocknen. Vorzugsweise enthält die zweite wässrige Flüssigkeit ein hydrophiles organisches Polymer, insbesondere Ammoniumpolyacrylat. Die zweite wässrige Flüssigkeit enthält Ammoniumpolyacrylat oder ein anderes organisches Polymer vorzugsweise in einem Anteil von 5 bis 30 Gew.- %, insbesondere in einem Anteil von 10 bis 20 Gew.- % bezogen auf das Gesamtgewicht der Flüssigkeit. Das Aufbringen der zweiten Flüssigkeit und das nachfolgende Trocknen kann wie bei der ersten Flüssigkeit nach bekannten Methoden erfolgen.Step (b) preferably comprises applying a second aqueous liquid to the back of the paper and then drying. Preferably, the second aqueous liquid contains a hydrophilic organic polymer, in particular ammonium polyacrylate. The second aqueous liquid preferably contains ammonium polyacrylate or another organic polymer in a proportion of 5 to 30% by weight, in particular in a proportion of 10 to 20% by weight, based on the total weight of the liquid. The application of the second liquid and The subsequent drying can be carried out by known methods as in the case of the first liquid.

Die erste und gegebenenfalls die zweite wässrige Flüssigkeit werden üblicherweise in einer Menge von 10-40 g, insbesondere von 15-25 g pro m2 auf das Papier aufgebracht, wobei in manchen Ausführungsformen auch höhere oder geringere Mengen aufgebracht werden können. Weiterhin bevorzugt ist, dass das Ammoniumpolyacrylat in einer Menge von 1-25 g, insbesondere von 2-20 g Trockengewicht auf die Vorderseite des Papiers aufgebracht wird. Auf die Rückseite wird das Ammoniumpolyacrylat (oder ein anderes hydrophiles Polymer) vorzugsweise in einer Menge von 0,5-15 g, insbesondere von 1-10 g Trockengewicht aufgebracht.The first and optionally the second aqueous liquid are usually applied in an amount of 10-40 g, in particular 15-25 g per m 2 of paper, and in some embodiments, higher or lower amounts can be applied. It is further preferred that the ammonium polyacrylate is applied in an amount of 1-25 g, in particular 2-20 g dry weight on the front side of the paper. On the back side, the ammonium polyacrylate (or another hydrophilic polymer) is preferably applied in an amount of 0.5-15 g, in particular 1-10 g dry weight.

Die erste wässrige Flüssigkeit und gegebenenfalls auch die zweite wässrige Flüssigkeit können einen neutralen bis alkalischen pH-Wert, z.B. einen pH-Wert ≥ 7, beispielsweise ≥ 9 aufweisen.The first aqueous liquid and optionally also the second aqueous liquid may have a neutral to alkaline pH, e.g. have a pH ≥ 7, for example ≥ 9.

Die erste wässrige Flüssigkeit kann neben dem Ammoniumpolyacrylat gegebenenfalls noch weitere Zusatzstoffe, z.B. anorganische Zusatzstoffe wie SiO2 oder Silikate, organische Zusatzstoffe, insbesondere organische Polymere wie etwa Cellulosederivate, z.B. Carboxymethylcellulose, und/oder nicht flüchtige niedermolekulare organische Substanzen, insbesondere mehrwertige Alkohole, wie etwa Glycerin, enthalten. In besonders bevorzugten Ausführungsformen werden die Zusatzstoffe ausgewählt aus:

  1. (i) SiO2 oder Silikaten, z.B. in Anteilen von 10-50 Gew.-%, insbesondere von 10-30 Gew.-%
  2. (ii) Cellulosederivaten, wie etwa Carboxymethylcellulose, z.B. in Anteilen von 5-25 Gew.-%, insbesondere von 5-15 Gew.-%, und/oder
  3. (iii) mehrwertigen Alkoholen wie etwa Glycerin, z.B. in Anteilen von 5-25 Gew.-%, insbesondere von 10-20 Gew.-%,
    wobei sich die Gewichtsanteile jeweils auf das Gesamtgewicht der ersten Flüssigkeit beziehen.
The first aqueous liquid may, in addition to the ammonium polyacrylate optionally further additives, such as inorganic additives such as SiO 2 or silicates, organic additives, especially organic polymers such as cellulose derivatives, eg carboxymethylcellulose, and / or nonvolatile low molecular weight organic substances, especially polyhydric alcohols, such as Glycerin, included. In particularly preferred embodiments, the additives are selected from:
  1. (i) SiO 2 or silicates, for example in proportions of 10-50% by weight, in particular 10-30% by weight
  2. (Ii) cellulose derivatives, such as carboxymethyl cellulose, for example in proportions of 5-25 wt .-%, in particular 5-15 wt .-%, and / or
  3. (iii) polyhydric alcohols, such as glycerol, for example in proportions of 5-25% by weight, in particular of 10-20% by weight,
    wherein the weight proportions each relate to the total weight of the first liquid.

Neben den genannten Zusatzstoffen besteht der Rest der Flüssigkeit vorzugsweise aus Wasser. Der Anteil an Wasser in der ersten Flüssigkeit ist vorzugsweise ≥ 50 Gew.-%, insbesondere ≥ 70 Gew.-%. Organische flüchtige Lösungsmittel sind vorzugsweise nicht vorhanden.In addition to the aforementioned additives, the remainder of the liquid is preferably water. The proportion of water in the first liquid is preferably ≥ 50 wt .-%, in particular ≥ 70 wt .-%. Organic volatile solvents are preferably absent.

Im Folgenden sind bevorzugte spezifische Beispiele für erfindungsgemäße wässrige Flüssigkeiten zur Beschichtung der Papiervorderseite wie folgt angegeben:In the following, preferred specific examples of aqueous liquids according to the invention for coating the paper front are given as follows:

Beschichtungsflüssigkeit 1Coating liquid 1

kolloidales SiO2 colloidal SiO 2 10-30 Gew.-%10-30% by weight NaOHNaOH 0,1-0,5 Gew.-%0.1-0.5% by weight Ammoniumpolyacrylatammonium polyacrylate 20-40 Gew.-%20-40% by weight Rest H2OBalance H 2 O

Beschichtungsflüssigkeit 2Coating liquid 2

Carboxymethylcellulosecarboxymethylcellulose 5-15 Gew.-%5-15% by weight Glyceringlycerin 10-20 Gew.-%10-20% by weight Ammoniumpolyacrylatammonium polyacrylate 20-40 Gew.-%20-40% by weight Rest H2OBalance H 2 O

Ein bevorzugtes Beispiel für eine wässrige Flüssigkeit zur Beschichtung der Papierrückseite ist wie folgt: Ammoniumpolyacrylat 10-20 Gew.-% Rest H2O A preferred example of an aqueous liquid for coating the paper back is as follows: ammonium polyacrylate 10-20% by weight Balance H 2 O

Ein weiterer Aspekt der Erfindung ist die Verwendung einer wässrigen Flüssigkeit, die Ammoniumpolyacrylat enthält, zur Herstellung von Transferpapier, insbesondere für den Tintenstrahldruck.Another aspect of the invention is the use of an aqueous liquid containing ammonium polyacrylate for the production of transfer paper, in particular for ink-jet printing.

Die wässrige Flüssigkeit kann zur Beschichtung der Vorder- und/oder Rückseite von Transferpapier wie zuvor beschrieben verwendet werden.The aqueous liquid can be used to coat the front and / or back of transfer paper as previously described.

Noch ein weiterer Aspekt der vorliegenden Erfindung ist ein Transferpapier, insbesondere für den Tintenstrahldruck, das auf der zu bedruckenden Vorderseite und gegebenenfalls auf der Rückseite mit Ammoniumpolyacrylat, insbesondere in den zuvor angegebenen Mengen, z.B. in einer Menge von 1-25 g pro m2 Papier auf der Vorderseite und z.B. 0,5-15 g pro m2 Papier auf der Rückseite, beschichtet ist.Yet another aspect of the present invention is a transfer paper, especially for ink jet printing, on the front side to be printed and optionally on the back with ammonium polyacrylate, in particular in the amounts given above, for example in an amount of 1-25 g per m 2 paper on the front and eg 0.5-15 g per m 2 of paper on the back, is coated.

Die Beschichtung, insbesondere die Beschichtung der Vorderseite, kann darüber hinaus noch Zusatzstoffe wie zuvor angegeben enthalten.The coating, in particular the coating of the front side, may additionally contain additives as indicated above.

Noch ein weiterer Aspekt der Erfindung ist ein Verfahren zum Bedrucken von Transferpapier, wobei man eine Schicht sublimierbarer Pigmente auf die Vorderseite eines Transferpapiers wie zuvor beschrieben, z.B. durch Tintenstrahldruck, aufbringt. Die Pigmente können in üblichen Drucktinten mit gebräuchlichen Geräten, z.B. Tintenstrahldruckern, nach bekannten Methoden aufgebracht werden. Nach dem Aufbringen wird das bedruckte Transferpapier bei Raumtemperatur oder bei erhöhter Temperatur bis zu 80 °C getrocknet. Überraschenderweise wurde festgestellt, dass die Pigmente beim Aufbringen und Trocknen keine Neigung zum Verschmieren zeigen.Yet another aspect of the invention is a process for printing transfer paper comprising applying a layer of sublimable pigments to the front side of a transfer paper as previously described, e.g. by ink jet printing, applying. The pigments can be used in conventional printing inks with common equipment, e.g. Inkjet printers are applied by known methods. After application, the printed transfer paper is dried at room temperature or at elevated temperature up to 80 ° C. Surprisingly, it was found that the pigments show no tendency to smear during application and drying.

Das bedruckte Transferpapier kann auf bekannte Weise zum Bedrucken von Gegenständen, insbesondere Textilien, verwendet werden.The printed transfer paper can be used in a known manner for printing on objects, in particular textiles.

Noch ein weiterer Aspekt der vorliegenden Erfindung ist somit ein bedrucktes Transferpapier zum Bedrucken von Gegenständen, insbesondere Textilien, das auf der Vorderseite mit sublimierbaren Pigmenten und Ammoniumpolyacrylat beschichtet ist.Yet another aspect of the present invention is thus a printed transfer paper for printing on objects, in particular textiles, which is coated on the front with sublimable pigments and ammonium polyacrylate.

Die zu bedruckenden Textilien sind üblicherweise ungefärbt bzw. weiß. Gegebenenfalls können jedoch auch vorgefärbte Textilien eingesetzt werden. Es handelt sich üblicherweise um Textilien, die einen Anteil von mindestens 50-60 Gew.% Polyester- und/oder Polyamidfasern enthalten, oder die mit Polyester und/oder Polyamid beschichtet sind.The textiles to be printed are usually uncoloured or white. Optionally, however, pre-dyed textiles can be used. These are usually textiles containing a share of contain at least 50-60 wt.% Polyester and / or polyamide fibers, or which are coated with polyester and / or polyamide.

Überraschenderweise können mit dem erfindungsgemäßen Transferpapier auch dehnbare Textilien ohne Verschmieren beschichtet werden. Hierzu wird günstigerweise eine erste Beschichtungsflüssigkeit verwendet, die neben dem Ammoniumpolyacrylat einen mehrwertigen Alkohol, wie etwa Glycerin, und/oder ein Cellulosederivat, wie etwa Carboxymethylcellulose, enthält. Das mit einer solchen Flüssigkeit beschichtete Papier haftet bei Erwärmen auf dem zu bedruckenden Material, so dass die Farbübertragung von Papier auf das zu bedruckende Material mittels konventioneller Walzendruckverfahren ohne Verschmieren der Pigmente möglich ist.Surprisingly, stretchable textiles can also be coated without smearing with the transfer paper according to the invention. For this purpose, a first coating liquid is advantageously used, which contains in addition to the ammonium polyacrylate, a polyhydric alcohol, such as glycerol, and / or a cellulose derivative, such as carboxymethyl cellulose. The paper coated with such a liquid adheres to the material to be printed upon heating, so that the ink transfer of paper to the material to be printed by conventional roller printing without smearing the pigments is possible.

Noch ein weiterer Gegenstand der Erfindung ist somit ein Verfahren zum Bedrucken von Gegenständen, insbesondere Textilien, dadurch gekennzeichnet, dass man den zu bedruckenden Gegenstand mit einem bedruckten Transferpapier wie oben beschrieben bei erhöhter Temperatur, z.B. 160-240° C, in Kontakt bringt, so dass sublimierbare Pigmente vom Transferpapier auf den zu bedruckenden Gegenstand übertragen werden.Yet another object of the invention is thus a method for printing objects, in particular textiles, characterized in that one brings the object to be printed with a printed transfer paper as described above at elevated temperature, for example 160-240 ° C, in contact that sublimable pigments are transferred from the transfer paper to the object to be printed.

Claims (15)

  1. Method for producing transfer paper, in particular for inkjet printing, comprising the step of: applying a first aqueous fluid to the front of a paper, which front is to be printed, the first aqueous fluid containing ammonium polyacrylate, and subsequent drying.
  2. Method according to claim 1, further comprising the step of: applying a second aqueous fluid to the back of the paper and subsequent drying, the second aqueous fluid optionally containing ammonium polyacrylate.
  3. Method according to either claim 1 or claim 2, characterised in that the first aqueous fluid has an ammonium polyacrylate content of 10-50 wt.% based on the total weight of the fluid.
  4. Method according to claims 1 to 3, characterised in that an amount of 10-40 g per m2 of the first and optionally the second aqueous fluid is applied to the paper.
  5. Method according to any one of claims 1 to 4, characterised in that an amount of 1-25 g (by dry weight) of ammonium polyacrylate is applied to the front of the paper.
  6. Method according to any one of claims 1 to 5, characterised in that the first and optionally the second aqueous fluid have a pH ≥ 7.
  7. Method according to any one of claims 1 to 6, characterised in that the first aqueous fluid contains further additives.
  8. Method according to claim 7, wherein further additives are chosen from among:
    (i) SiO2 or silicates;
    (ii) cellulose derivatives such as carboxymethyl cellulose, and/or;
    (iii) polyhydric alcohols such as glycerol.
  9. Use of an aqueous fluid containing ammonium polyacrylate for producing transfer paper.
  10. Transfer paper, characterised in that the front thereof, which is to be printed, and optionally the back thereof are coated with ammonium polyacrylate.
  11. Method for printing on transfer paper, characterised in that a layer of sublimable pigments is applied to the front of a transfer paper according to claim 10.
  12. Method according to claim 11, wherein a layer of sublimable pigments is applied by inkjet printing.
  13. Printed transfer paper for printing objects, characterised in that the front thereof is coated with ammonium polyacrylate and sublimable pigments.
  14. Method for printing objects, characterised in that the object to be printed is brought into contact at an elevated temperature with a printed transfer paper according to claim 13 in such a way that subliminal pigments are transferred from the transfer paper onto the object to be printed.
  15. Method according to claim 14, characterised in that the transfer of the pigments from the paper onto the object to be printed is effected by roller printing.
EP09004614A 2009-03-30 2009-03-30 Production of transfer paper for inkjet printing Active EP2236307B1 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP09004614A EP2236307B1 (en) 2009-03-30 2009-03-30 Production of transfer paper for inkjet printing
DK09004614.5T DK2236307T3 (en) 2009-03-30 2009-03-30 Manufacture of transfer paper for inkjet printing
RS20120454A RS52506B (en) 2009-03-30 2009-03-30 Production of transfer paper for inkjet printing
PT09004614T PT2236307E (en) 2009-03-30 2009-03-30 Production of transfer paper for inkjet printing
PL09004614T PL2236307T3 (en) 2009-03-30 2009-03-30 Production of transfer paper for inkjet printing
ES09004614T ES2391803T3 (en) 2009-03-30 2009-03-30 Production of transfer paper for inkjet printing
SI200930364T SI2236307T1 (en) 2009-03-30 2009-03-30 Production of transfer paper for inkjet printing
JP2012502638A JP2012521909A (en) 2009-03-30 2010-03-30 Manufacture of transfer paper for inkjet printing
US13/262,290 US20120160119A1 (en) 2009-03-30 2010-03-30 Production of transfer paper for ink-jet printing
CA2757235A CA2757235A1 (en) 2009-03-30 2010-03-30 Production of transfer paper for ink-jet printing
AU2010230208A AU2010230208A1 (en) 2009-03-30 2010-03-30 Production of transfer paper for ink-jet printing
PCT/EP2010/054204 WO2010112507A1 (en) 2009-03-30 2010-03-30 Production of transfer paper for ink-jet printing
CN2010800224695A CN102448731A (en) 2009-03-30 2010-03-30 Preparation of transfer paper for ink-jet printing
CY20121100969T CY1113213T1 (en) 2009-03-30 2012-10-17 PREPARATION OF TRANSFER PAPER FOR PRINTING INJECTION
HRP20120838AT HRP20120838T1 (en) 2009-03-30 2012-10-18 Production of transfer paper for inkjet printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09004614A EP2236307B1 (en) 2009-03-30 2009-03-30 Production of transfer paper for inkjet printing

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EP2236307B1 true EP2236307B1 (en) 2012-07-18

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EP (1) EP2236307B1 (en)
JP (1) JP2012521909A (en)
CN (1) CN102448731A (en)
AU (1) AU2010230208A1 (en)
CA (1) CA2757235A1 (en)
CY (1) CY1113213T1 (en)
DK (1) DK2236307T3 (en)
ES (1) ES2391803T3 (en)
HR (1) HRP20120838T1 (en)
PL (1) PL2236307T3 (en)
PT (1) PT2236307E (en)
RS (1) RS52506B (en)
SI (1) SI2236307T1 (en)
WO (1) WO2010112507A1 (en)

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CN105711280A (en) 2014-12-04 2016-06-29 全斯福新材料（苏州）有限公司 Easy-to-use ink-jet heat sublimation transfer paper
EP3521508B1 (en) 2016-09-29 2021-09-01 Mitsubishi Paper Mills Limited Transfer paper
CN109844216B (en) * 2016-09-29 2022-03-08 三菱制纸株式会社 Transfer paper
EP3653393A1 (en) 2018-11-19 2020-05-20 Kaspar Papir Pte Ltd Light-stabilizing transfer medium
WO2020104307A1 (en) 2018-11-19 2020-05-28 Kaspar Papir Pte Ltd Light-stabilizing transfer medium

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JP2004255717A (en) * 2003-02-26 2004-09-16 Mitsubishi Paper Mills Ltd Inkjet recording medium for sublimation ink transferring, method of manufacturing it and transfer recording method
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EP2236307A1 (en) 2010-10-06
SI2236307T1 (en) 2012-12-31
US20120160119A1 (en) 2012-06-28
PL2236307T3 (en) 2013-01-31
PT2236307E (en) 2012-10-25
WO2010112507A1 (en) 2010-10-07
ES2391803T3 (en) 2012-11-30
CA2757235A1 (en) 2010-10-07
CN102448731A (en) 2012-05-09
DK2236307T3 (en) 2012-10-29
AU2010230208A1 (en) 2011-11-17
JP2012521909A (en) 2012-09-20
RS52506B (en) 2013-04-30
CY1113213T1 (en) 2016-04-13
HRP20120838T1 (en) 2012-11-30

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