Classifications

• • 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
  • G03G7/0053—Intermediate layers for image-receiving members
• • 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
• • 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
  • D21H19/00—Coated paper; Coating material
  • D21H19/36—Coatings with pigments
  • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
  • D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
• • 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
  • G03G7/0026—Organic components thereof being macromolecular
  • G03G7/004—Organic components thereof being macromolecular obtained 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
  • 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

Definitions

• the invention relates to a paper for thermal Image transfer to flat porous surfaces such as Textiles.
• 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 embossing paper.
• the ones to be transferred Images are dry copied onto the paper printed and then by heat and Transfer pressure to the textile surface.
• the disadvantage of the transfer paper is that insufficient color density using this paper images transferred to the base.
• EP 0 466 503 A1 describes an image carrier for Use in image transmission processes from one flexible sheet material and two attached to it Layers.
• the first layer which is directly on the Is formed of a polymeric layer based on ethylene or an acrylic varnish
• the second layer formed on the first layer a thermoplastic layer.
• the thermoplastic goes onto the textile substrate to the same thing while using the flexible web material the polymeric coating is separated.
• US-A-5 242 739 relates to an image receiving paper for Thermal transfer process from a base paper, one melt transfer film layer formed thereon and an image receiving layer formed on this.
• the Image receiving layer has about 85 to 20% by weight of one powdered thermoplastic polymers on and has a thickness of 12 to 80 ⁇ m.
• EP A 228 835 relates to a receiving material for thermal dye transfer where the dye by a so-called donor material Exposure to heat from a polyester film and a receiving material consisting of a color receiving layer is transmitted.
• the receiving layer contains similar to DE 42 10 976 A1 a mixture of wax and ethylene-vinyl acetate copolymer. This in the so-called D2T2 process image created with the help of thermal printing remains on the carrier and is not on one Transfer textile pad.
• a paper for thermal image transfer to flat porous surfaces characterized by a paper support and a layer formed thereon, an ethylene copolymer or an ethylene copolymer mixture and a dye-absorbing layer with an application weight of 0.1 to 0.5 g / m 2 contains.
• the ethylene copolymer contains in particular 10 to 35 mol% of another monomer.
• the ethylene copolymer can in particular be an ethylene / vinyl acetate copolymer or an ethylene / (meth) acrylic acid alkyl ester copolymer be, but also a mixture of these Copolymers can be used.
• the content of vinyl acetate or (meth) acrylic acid alkyl ester in the ethylene copolymer is in the Special embodiment of the invention 10 to 35 mol.%.
• the ethylene / (meth) acrylic acid alkyl ester copolymer can consist of selected from the group of the following copolymers: Ethylene / methyl (meth) acrylate, ethylene / ethyl (meth) acrylate, Ethylene / propyl (meth) acrylate, ethylene / n-butyl (meth) acrylate or ethylene / isobutyl (meth) acrylate and mixtures of this.
• the layer containing the ethylene copolymer is extruded onto a carrier paper.
• the application weight of the layer is 10 to 50 g / m 2 .
• the paper surface is exposed to a corona discharge.
• Any paper can be used as backing paper.
• a highly sized neutral base paper with a basis weight of 60 to 200 g / m 2 is particularly suitable.
• the base paper can be surface-sized with starch or polyvinyl alcohol and has a surface smoothness of 20 to 300 Bekk on both sides. out.
• the on the layer containing an ethylene copolymer applied dye-receiving layer contains a Low film forming temperature polymer.
• This polymer can in particular be an acrylic ester copolymer, a styrene / butadiene or Be acrylonitrile / butadiene latex. But others too Polymers that have a good affinity for printing may have used dyes or toners be used.
• the dye-absorbing layer additionally Contain non-stick agents.
• these finely divided silicas especially one Aluminum-doped finely dispersed silica.
• Hollow or solid ones are particularly suitable for this Resin particles from the styrene family, such as polystyrene, or made of acrylic resin, such as polymethyl methacrylate, or resins a styrene / acrylic acid (ester) copolymer.
• Starch is also suitable as a pigment is consider because they go straight into the Coating solution is stirred in and suspended therein is.
• Suitable inorganic pigments are, for example, TiO 2 , CaCo 3 , ZnO, ZnS, ZnSO 4 , Sb 2 O 3 , CaSO 4 , kaolin, talc or mixtures thereof.
• the amount of pigment in the color receiving layer is 10 to 90% by weight, in particular 30 to 70% by weight, based on the dry layer.
• Friction coefficients are measured by measuring a so-called friction coefficients assessed. This will in a tensile test court based on the Frank principle measured.
• Friction coefficients less than 4N. Of the Friction coefficient is the force to be applied around the back of a sheet against the front move.
• the dye-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 dye-receiving layer is 0.1 to 0.5 g / m 2 .
• the surface of the paper according to the invention can be printed with any motif using non-impact methods, such as laser printers and copiers, which can then be transferred to all synthetic or natural fabrics, but also to other flat objects.
• non-impact methods such as laser printers and copiers
• the paper provided with a motif is brought into contact with a flat base.
• the transfer takes place through heat (130 - 180 ° C) and pressure (34.5 x 10 4 N / m 2 ), and only the backing paper is then removed from the base.
• the transferred image penetrates completely into the fibers of the base.
• the front side of a neutral sized base paper with a basis weight of 80 g / m 2 was extrusion coated after corona pretreatment with the copolymers or copolymer mixtures given in the following table and then with an aqueous dispersion of a carboxylated styrene / butadiene copolymer (4.5 wt. % Solids content) coated and dried (application weight 0.2 g / m 2 ).
• Copolymer Composition % by weight 1a 1b 1c 1d 1e 1f Ethylene / vinyl acetate with 33 mol% vinyl acetate (ELVAX R 150-W, Du Pont) 100 - - - - - - Ethylene / vinyl acetate with 28 mol% vinyl acetate (Evatane R 28/40, Elf Atochem) - 100 - - - 25th Ethylene / vinyl acetate with 14 mol% vinyl acetate (Escorene Ultra R 00714, Exxon) - - 100 - - - Ethylene / n-butyl acrylate with 35 mol% n-butyl acrylate (Enathene R EA 80808, Quantum) - - - 100 - 75 Ethylene / methyl acrylate with 15 mol% methyl acrylate (Lotryl R 15 MA 03, Elf Atochem) - - -
• Papers coated in this way were provided with images in a copying process (laser printer) and then brought into contact with a textile base (fabric made of 100% cotton) in a press in which heat (180 ° C.) and pressure (34.5 ⁇ 10 4 N / m 2 ) the images were transferred to the textile base. After the transfer, the paper base was peeled off.
• the printed textile underlay was made at 30 ° C with conventional Detergents washed and then examined.
• the paper coated with ethylene / vinyl acetate copolymer (28 mol% vinyl acetate) was coated with the following aqueous dispersions: Components Composition,% by weight 2a 2 B 2c 2d Acrylic acid ester / vinyl acetate / vinyl chloride copolymer 50% disp. (Acronal R 300 D, BASF) 10th - 10th - Carboxylated acrylic acid ester 32% disp. (Carboset R XPD 1242, Goodrich) - 15 - - Carboxyl. Styrene / butadiene latex, 50% disp.
• the coating compositions were with a scoop roller system applied to the surface to be coated with a Smooth doctor blade dosed and in the hot air duct at air temperatures dried from approx. 80 ° C.
• the machine speed was 1.66 m / s (100 m / min).
• the papers coated in this way were processed in one Copying process illustrated and then as in Example 1 brought into contact with a textile pad. After Image transfer was carried out on the paper backing from the Removed textile underlay.
• the printed textile underlay was washed at 30 ° C and then assessed.
• a transfer paper produced according to EP 0 479 882 was provided with images as in example 1 and for image transmission used on a textile support as in Example 1.
• the papers produced in accordance with the examples were with Imaged with the help of a laser printer and then with a Textile pad brought into contact. After done The image was transferred to the printed textile base Color density measured.
• the density measurements were made before and after a washing process with conventional detergents at 30 ° C.
• the used for this The device was an original reflection densitometer SOS-45.
• the measurements were made for the primary colors yellow, cyan, Magenta and black.

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Engineering & Computer Science (AREA)
• Ceramic Engineering (AREA)
• Textile Engineering (AREA)
• Thermal Transfer Or Thermal Recording In General (AREA)
• Laminated Bodies (AREA)
• Paper (AREA)
• Heat Sensitive Colour Forming Recording (AREA)

Applications Claiming Priority (4)

Publications (2)

Family

ID=25936703

Family Applications (1)

Country Status (6)

Families Citing this family (5)

Family Cites Families (4)

• 1995
  • 1995-05-05 EP EP95106784A patent/EP0683057B1/de not_active Expired - Lifetime
  • 1995-05-05 AT AT95106784T patent/ATE162471T1/de not_active IP Right Cessation
  • 1995-05-05 DE DE59501310T patent/DE59501310D1/de not_active Expired - Lifetime
  • 1995-05-05 ES ES95106784T patent/ES2111986T3/es not_active Expired - Lifetime
  • 1995-05-05 DK DK95106784T patent/DK0683057T3/da active
• 1998
  • 1998-02-12 GR GR980400315T patent/GR3026142T3/el unknown

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