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
  • B41M5/52—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
  • B41M5/025—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
• • 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
• • 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
  • B41M5/41—Base layers supports or substrates
• • 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
• • 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

Definitions

• the invention relates to a printable Image carrier material for thermal image transfer flat porous surfaces, especially one with ink jet inks printable thermal transfer paper.
• This Motifs are printed using various printing processes such as thermal dye diffusion transfer process (D2T2), inkjet recording method (Ink-Jet) or toner process (electrophotography) on separation or so-called transfer papers printed and then through the action of heat and pressure on the textile goods transferred, with the paper pad being peeled off.
• D2T2 thermal dye diffusion transfer process
• Ink-Jet inkjet recording method
• toner process electrotrophotography
• EP 0 479 882 A1 describes a method and the associated transfer paper for transferring Descriptions on a porous surface described where the paper is coated, a PE layer containing paper.
• the images to be transferred are printed on the paper by dry copying and then by the action of heat and pressure on the Transfer textile pad.
• a disadvantage of this paper is the inadequate color density of the surface transferred images.
• US 5 501 902 describes a printable paper presented the first polymer layer and an ink-jet printable second layer with film-forming binder, a fine-grained thermoplastic polymer and one contains ink viscosity modifiers.
• This transfer paper through heat and Pressure transferred to the textile base Images have a high color density and that with the Polymer layer laminate imaged a very good adhesion to the textile base.
• this transfer paper is the use of the viscosity modifier, which is usually a hydrophilic agent such as polyethylene glycol or Is polyvinyl alcohol. This remedy works positive on the binding capacity, but has because whose water solubility has a negative impact on the Wash resistance.
• an image carrier material which is characterized by a carrier and an image receiving layer which contains an organic pigment with a specific surface area of greater than 1 m 2 / g.
• the specific surface was measured using the BET multi-point method according to DIN 66131 with krypton.
• the organic pigment is preferably a thermoplastic polymer from the group of polyolefins, olefin copolymers, polyesters, cellulose esters or polyamides. Particularly good results were achieved with a fine-grained polyamide with an average particle size of up to approximately 30 ⁇ m and a specific surface area of more than 4 m 2 / g.
• the amount of the organic pigment is 50 to 90 % By weight, in particular 60 to 80% by weight, based on the entire shift.
• the binder used in the image-receiving layer is preferably a film-forming polymer, for example acrylate, vinyl acetate homopolymers or copolymers, partially saponified polyvinyl acetates, polyolefins, Olefin copolymers or polyester.
• the amount of binder in the receiving layer is 10 to 50% by weight, in particular 15 to 30% by weight on the entire shift.
• the Contain a cationic fixing agent in the receiving layer for example a quaternary polyammonium salt from the Group of polyvinylbenzyltrimethyl, Polydiallyldimethyl, polymethacryloxyethyldimethylhydroxyethyl, Polyhydroxypropyldimethylammonium chlorides.
• a cationic fixing agent in the receiving layer for example a quaternary polyammonium salt from the Group of polyvinylbenzyltrimethyl, Polydiallyldimethyl, polymethacryloxyethyldimethylhydroxyethyl, Polyhydroxypropyldimethylammonium chlorides.
• dye fixatives Agents such as cationic polyamines, cationic Polyacrylamides or cationic polyethyleneimines can be used.
• the amount of dye fixative By means of up to 15% by weight, in particular 5 to 10% by weight be.
• the image-receiving layer is applied from an aqueous coating solution. All common application and dosing methods can be used for this.
• the application weight of the image-receiving layer can be 5 to 30 g / m 2 , in particular 10 to 20 g / m 2 .
• a plastic film or an uncoated or surface-modified, for example coated or siliconized, paper can be used as the carrier material.
• a highly sized neutral base paper with a basis weight of 60 to 200 g / m 2 is particularly suitable.
• the base paper can additionally be surface-modified with a special coating in an amount up to at most 5 g / m 2 , in particular 1 to 3 g / m 2 .
• This line can contain a natural or synthetic binder such as starch, starch derivatives, gelatin, carboxycellulose, methyl cellulose, polyvinyl alcohol, polyacrylamides and a salt of higher fatty acids or silicone compounds.
• the paper used as carrier material has a surface smoothness of 20 to 500 Bekk ⁇ s, in particular 100 to 300 Bekk ⁇ s, on the side to be coated (front).
• thermoplastic layer preferably a Ethylene copolymer, an ethylene copolymer mixture or a Ionomer resin or a mixture of these polymers or Contains copolymers.
• the ethylene copolymer contains in particular 10 to 35 Mol% of another monomer.
• the ethylene copolymer can especially an ethylene / vinyl acetate or Ethylene / (meth) acrylic acid or an ethylene / (meth) acrylic acid alkyl ester copolymer his.
• the thermoplastic layer is applied to the carrier material using an extrusion coating system.
• the application weight of the layer can be 5 to 50 g / m 2 , in particular 10 to 30 g / m 2 .
• the surface of the image carrier material according to the invention can be printed with any motif using various printing methods, but in particular with the aid of ink-jet printing methods, which can then be transferred to all synthetic or natural fabrics, but also to other flat objects.
• the image carrier material printed with a motif is brought into contact with a flat base. The transfer takes place by heat (130-200 ° C) and pressure (0.13 x 10 4 to 50.0 x 10 4 N / m 2 ). The backing material is then removed from the base.
• the front of a neutral sized base paper with a basis weight of 80 g / m 2 and a line of starch and 10 wt.% Chromium stearate in an application amount of 3 g / m 2 was provided with a ethylene copolymer after a corona pretreatment 24 mol% of vinyl acetate in an amount of 30 g / m 2 extrusion-coated and then coated with aqueous dispersions to produce receiving layers, the compositions of which are shown in the table below in the dried state.
• the Inkjet printer Canon 620 a test pattern in the Basic colors made of yellow, cyan, magenta and black.
• the printed paper was then brought into contact with a textile base (100% cotton fabric) in a press in which the image was transferred by heat (180 ° C.) and pressure (34.5 ⁇ 10 4 N / m 2 ) the document was made. After the transfer, the paper base was peeled off.
• a base paper with a basis weight of 80 g / m 2 was extrusion-coated in the first step with an ethylene / vinyl acetate copolymer and then coated in the second step with aqueous coating compositions, the dry compositions of which are given in the table below.
• the papers produced according to the examples were provided with a test image using a Canon 620 inkjet printer and were checked for the bleed "behavior. Under bleed "is the inward running of the inks at the edges of color areas lying together, which is assessed visually with the marks 1 to 10 (very good to very bad).
• the color density was measured on the printed textile base.
• the density measurements were made before and after a washing process with conventional detergents at 30 ° C.
• the measurements were carried out with the Gretag Densitometer Type 186 D for the primary colors yellow, cyan, magenta and black.
• An average color density was calculated from the density values for the individual colors. example Bleed note Color density before washing after washing 1a 1 1.80 1.17 1b 2nd 1.75 1.23 1c 2nd 1.77 1.24 1d 2nd 1.70 1.22 1e 2nd 1.74 1.25 V1 3rd 1.65 1.00 V2 10th 1.54 0.77 V3 4th 1.65 0.95
• the evaluations of the bleed shown in the table show a clear improvement for the samples according to the invention compared to those samples which were produced on substrates with organic pigment with a specific surface BET ⁇ 1 m 2 / g.
• the images produced with the aid of the image carrier materials according to the invention show higher color densities and after a washing process there is less loss of color density. Loss of color density greater than 35% after a wash is not acceptable.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Ink Jet Recording Methods And Recording Media Thereof (AREA)
• Inks, Pencil-Leads, Or Crayons (AREA)
• Thermal Transfer Or Thermal Recording In General (AREA)
• Pigments, Carbon Blacks, Or Wood Stains (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=7844570

Family Applications (1)

Country Status (7)

Cited By (4)

Citations (3)

Family Cites Families (3)

• 1997
  • 1997-10-04 DE DE19743854A patent/DE19743854C2/de not_active Expired - Lifetime
• 1998
  • 1998-10-01 DK DK98118618T patent/DK0906832T3/da active
  • 1998-10-01 PT PT98118618T patent/PT906832E/pt unknown
  • 1998-10-01 DE DE59804297T patent/DE59804297D1/de not_active Expired - Fee Related
  • 1998-10-01 AT AT98118618T patent/ATE218446T1/de not_active IP Right Cessation
  • 1998-10-01 ES ES98118618T patent/ES2176879T3/es not_active Expired - Lifetime
  • 1998-10-01 EP EP98118618A patent/EP0906832B1/fr not_active Expired - Lifetime
  • 1998-10-02 JP JP10281517A patent/JPH11157203A/ja active Pending

Patent Citations (3)

Non-Patent Citations (2)

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