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
  • B41M5/50—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
  • B41M5/025—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
  • 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
  • B41M5/502—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
  • B41M5/504—Backcoats
• • 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
  • 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
• • 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
  • D06P5/004—Transfer printing using subliming dyes
• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
  • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
• • 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 self-adhesive transfer papers, self-adhesive transfer papers and transfer printing processes prepared by the process.
• 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.
• WO 2008/006434 discloses a transfer paper having a coating with a semisynthetic polymer having thermoplastic properties.
• thermoplastics are mentioned ethylcellulose, thermoplastic starch, methylhydroxypropylcellulose or hydroxypropylcellulose.
• a coating with polyacrylates or carboxymethylcellulose is said to be disadvantageous.
• EP 09 004 614.5 discloses a transfer paper, in particular for ink-jet printing, which is coated with an aqueous liquid containing ammonium polyacrylate.
• EP 09 164 772.7 discloses a transfer paper, in particular for ink-jet printing, which is coated with an aqueous liquid containing a hydrophilic organic polymer, in particular an acrylate-based polymer and a cellulose.
• 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.
• step (a) of the method according to the invention becomes printed front side, ie the side which is subsequently coated with pigments, brought into contact with a first aqueous liquid containing a hydrophilic organic polymer, in particular a polymer based on polyacrylate or polymethacrylate.
• a hydrophilic organic polymer in particular a polymer based on polyacrylate or polymethacrylate.
• a polyacrylate and more preferably ammonium polyacrylate Preference is given to using a polyacrylate and more preferably ammonium polyacrylate.
• the polymer used for coating eg, ammonium polyacrylate, usually has a weight-average molecular weight of 500 Da or more, eg, 1000-5000 Da, and more preferably 1000-2000 Da.
• the first aqueous liquid preferably contains the polymer, for example 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 can be applied by conventional methods, for example by means of a doctor such as a doctor blade or a roller blade, or by spraying. After application, the paper is usually dried at elevated temperature, eg 40-80 ° C.
• 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, for example a polyacrylate or polymethacrylate based polymer. Preference is given to using a polyacrylate, more preferably ammonium polyacrylate.
• the second aqueous liquid contains the polymer, e.g. Ammonium polyacrylate, or another organic polymer preferably in a proportion of 2 to 20% by weight, in particular in a proportion of 5 to 15% 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 to the paper in an amount of 10-40 g, in particular 15-25 g per m 2 , and in some embodiments also higher or lower amounts can be applied.
• the polymer for example ammonium polyacrylate (or another hydrophilic polymer), in an amount of 1-25 g, in particular 2-20 g dry weight is applied to the front of the paper.
• the polymer eg ammonium polyacrylate (or another hydrophilic polymer), preferably in an amount of 0.5-15 g, in particular 1-10 g dry weight is applied.
• the first aqueous liquid and optionally also the second aqueous liquid may have an acidic, neutral or alkaline pH.
• the first and second aqueous liquids have an acidic to neutral pH, e.g. a pH of 4-7, for example from 5-6.
• Step (c) comprises applying a third aqueous fluid containing a thermoactive adhesive, such as a silicone adhesive or other adhesive, which has adhesive properties at an elevated temperature of, for example, 60-110 ° C or more, and to the materials to be printed, eg Textiles, sticks. After cooling to lower temperatures, e.g. to room temperature, the thermoactive adhesive loses its adhesive properties again.
• a thermoactive adhesive such as a silicone adhesive or other adhesive, which has adhesive properties at an elevated temperature of, for example, 60-110 ° C or more, and to the materials to be printed, eg Textiles, sticks. After cooling to lower temperatures, e.g. to room temperature, the thermoactive adhesive loses its adhesive properties again.
• Suitable thermoactive adhesives are commercially available, e.g. by Bayer or Ciba-Geigy.
• the third aqueous liquid contains a polyvinyl alcohol.
• the polyvinyl alcohol usually has a weight-average molecular weight of about 10,000 - 100,000 Da, preferably 30,000 - 60,000 Da. Suitable polyvinyl alcohols are commercially available, e.g. the product MOWIOL 26/28.
• the remainder of the liquid is preferably water.
• the proportion of water in the first liquid is preferably ⁇ 40 wt .-%, in particular ⁇ 50 wt .-%.
• Organic volatile solvents are preferably absent.
• the third aqueous liquid is usually applied to the paper in an amount of 10-40 g / m 2 , in particular of 20-30 g / m 2 , and in some embodiments also higher or lower amounts are applied.
• the drying of the third liquid is carried out by known methods as described for the first and second liquid.
• aqueous liquids according to the invention for coating the paper front are given as follows: ⁇ u> Coating Liquid 1 ⁇ / u> ammonium polyacrylate 20-40% by weight Balance H 2 O pH 5-6 NaOH 0.02-0.2% by weight ammonium polyacrylate 5-15% by weight Balance H 2 O pH 5-6 Thermoactive adhesive 2-15% by weight polyvinyl alcohol 10-20% by weight Balance H 2 O
• Another aspect of the invention is a self-adhesive transfer paper, especially for inkjet printing, which is obtainable by a method as described above.
• Yet another aspect of the invention is a self-adhesive transfer paper, especially for inkjet printing, which on the front side to be printed with a thermoactive adhesive, an acrylate-based polymer, in particular ammonium polyacrylate, for example in an amount of 1-25 g / m 2 paper, and a polyvinyl alcohol, in particular in an amount of 0.5-2 g / m 2 paper coated.
• the transfer paper is optionally coated with a hydrophilic polymer, for example an acrylate-based polymer such as ammonium polyacrylate, in particular in an amount of 0.5-15 g / m 2 paper.
• Yet another aspect of the invention is a process for printing transfer paper comprising applying a layer of sublimable pigments to the face of a self-adhesive 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 self-adhesive 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 self-adhesive transfer paper for printing on articles, in particular textiles, which is coated on the front with a thermoactive adhesive, an acrylate-based polymer such as ammonium polyacrylate, and a polyvinyl alcohol, as well as with sublimable pigments.
• the textiles to be printed are usually uncoloured or white.
• pre-dyed textiles can be used.
• These are conventional textiles, e.g. also polyester and / or polyamide-based textiles, which preferably contain a proportion of at least 40-60 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 self-adhesive transfer paper according to the invention.
• the self-adhesive paper adheres after heating to a temperature of ⁇ 60-110 ° C on the material to be printed, so that the ink transfer of paper on the material to be printed by conventional roller printing without smearing the pigments is possible.
• the self-adhesive paper after cooling can be readily withdrawn from the material to be printed again.
• Yet another object of the invention is thus a process for printing objects, in particular textiles, for example polyester or polyamide-based, characterized in that the article to be printed with a printed self-adhesive transfer paper as described above at elevated temperature, eg 160-240 ° C, so that sublimable pigments are transferred from the transfer paper to the object to be printed.
• a printed self-adhesive transfer paper as described above at elevated temperature, eg 160-240 ° C, so that sublimable pigments are transferred from the transfer paper to the object to be printed.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Ink Jet Recording Methods And Recording Media Thereof (AREA)
• Adhesives Or Adhesive Processes (AREA)
• Paper (AREA)
• Coloring (AREA)
• Ink Jet (AREA)
• Decoration By Transfer Pictures (AREA)

Priority Applications (7)

Applications Claiming Priority (1)

Publications (3)

Family

ID=41591605

Family Applications (1)

Country Status (7)

Families Citing this family (2)

Citations (4)

• 2009
  • 2009-11-27 EP EP09177345A patent/EP2327560B8/fr not_active Not-in-force
• 2010
  • 2010-11-26 WO PCT/EP2010/068309 patent/WO2011064331A1/fr active Application Filing
  • 2010-11-26 CA CA2782002A patent/CA2782002A1/fr not_active Abandoned
  • 2010-11-26 US US13/512,376 patent/US20120234476A1/en not_active Abandoned
  • 2010-11-26 CN CN2010800589340A patent/CN102741057A/zh active Pending
  • 2010-11-26 AU AU2010323047A patent/AU2010323047A1/en not_active Abandoned
  • 2010-11-26 JP JP2012540441A patent/JP2013512122A/ja active Pending

Patent Citations (5)

Also Published As

Similar Documents

Legal Events