EP0514631B1 - Matériau récepteur multicouche pour le transfert thermique et son procédé de fabrication - Google Patents

Matériau récepteur multicouche pour le transfert thermique et son procédé de fabrication Download PDF

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Publication number
EP0514631B1
EP0514631B1 EP19920103825 EP92103825A EP0514631B1 EP 0514631 B1 EP0514631 B1 EP 0514631B1 EP 19920103825 EP19920103825 EP 19920103825 EP 92103825 A EP92103825 A EP 92103825A EP 0514631 B1 EP0514631 B1 EP 0514631B1
Authority
EP
European Patent Office
Prior art keywords
image receiving
intermediate layer
receiving material
material according
radiation
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.)
Expired - Lifetime
Application number
EP19920103825
Other languages
German (de)
English (en)
Other versions
EP0514631A1 (fr
Inventor
Reiner Dipl.-Ing. Anthonsen (Fh)
Wieland Dr. Dipl.-Phys. Sack
Dieter Dr. Dipl.-Chem. Becker
Jürgen Dipl.-Ing. Graumann (FH)
Manuela Hesse
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.)
Felex Schoeller Jr and GmbH and Co KG
Original Assignee
Felex Schoeller Jr and GmbH and Co KG
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
Application filed by Felex Schoeller Jr and GmbH and Co KG filed Critical Felex Schoeller Jr and GmbH and Co KG
Publication of EP0514631A1 publication Critical patent/EP0514631A1/fr
Application granted granted Critical
Publication of EP0514631B1 publication Critical patent/EP0514631B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/02—Dye diffusion thermal transfer printing (D2T2)
    • 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
    • B41M5/405—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 characterised by layers cured by radiation
    • 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
    • B41M5/426—Intermediate, backcoat, or covering layers characterised by inorganic compounds, e.g. metals, metal salts, metal complexes
    • 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
    • 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
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • 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

Definitions

  • the invention relates to an image receiving material for thermal dye transfer processes with an intermediate layer and a color receiving layer and a process for its production.
  • Thermal dye transfer systems (Dye Diffusion Thermal Transfer - D2T2) generate images of originals electronically.
  • the templates are broken down into the basic colors cyan, magenta and yellow and, if necessary, black, and these are converted into electrical impulses. These impulses are forwarded to a thermal printer, where they are converted into heat in the print head.
  • the image-receiving material passes through the thermal printer in contact with a color donor element.
  • a color donor element In the printhead, the back of a color donor element is heated up in accordance with the pulse specifications and a dye is released which diffuses or sublimes into the receiving layer of the image-receiving material. This process is carried out one after the other for all colors and then results in the finished image.
  • thermoplastic high molecular weight materials before the image-receiving layer is applied.
  • These high molecular weight thermoplastics can be polyolefins, polystyrene, polyvinylidene chloride, polyethylene terephthalate, polymethyl methacrylate or ionomer resin. The unevenness of the paper surface is to be leveled out by this intermediate layer of thermoplastics.
  • No. 4,774,224 also describes an image-receiving material for thermal dye transfer with a paper support which is provided with a thermoplastic intermediate layer, which preferably consists of polyolefin.
  • a thermoplastic intermediate layer which preferably consists of polyolefin.
  • the surface roughness of the intermediate layer should be limited to ⁇ 0.2 »m (7.5 Ra» inches).
  • EP 407 613 describes an image receiving material with likewise thermoplastic intermediate layers.
  • the thermoplastics are preferably polyolefins, polyvinyl chloride, polystyrene, polyethylene terephthalate, polymethacrylate or polycarbonate.
  • the surface roughness of the intermediate layer in this patent is between 0.2 and 4.0 »m.
  • thermoplastic intermediate layer between the paper base material and the image-receiving layer.
  • the quality of the transferred image is to be improved by the thermoplastic intermediate layer.
  • the materials used for the intermediate layer are lacquers made from monomers, oligomers or prepolymers, but mostly from mixtures of these groups.
  • the monomers in particular serve as diluents in the paint.
  • Monomers can advantageously be dispensed with if the coating compositions are processed at elevated temperature, preferably 30 ° C. to 60 ° C.
  • the crosslinkable compounds should preferably consist of more than 50% by weight of acrylic acid and / or methacrylic acid esters.
  • the lacquers can advantageously be filled (before crosslinking) with white pigments, such as carbonates, oxides, sulfates or sulfites of the elements calcium, magnesium, barium, strontium, zinc or titanium. Because of its high refractive index, titanium dioxide has proven particularly useful. Varnishes containing up to 70% by weight of titanium dioxide were successfully processed. This gives the background a high level of light reflection and makes the images appear more brilliant.
  • white pigments such as carbonates, oxides, sulfates or sulfites of the elements calcium, magnesium, barium, strontium, zinc or titanium. Because of its high refractive index, titanium dioxide has proven particularly useful. Varnishes containing up to 70% by weight of titanium dioxide were successfully processed. This gives the background a high level of light reflection and makes the images appear more brilliant.
  • the paints can contain up to 20% by weight of auxiliaries, such as non-crosslinkable resins, optical brighteners, matting agents, dyes and photoinitiators.
  • auxiliaries such as non-crosslinkable resins, optical brighteners, matting agents, dyes and photoinitiators.
  • the varnish After the varnish has been applied to the substrate, it is cross-linked by high-energy radiation.
  • This radiation can be electron radiation or UV radiation.
  • UV lamps When UV lamps are used, photoinitiators must be added to the paint to form radicals that trigger the crosslinking reaction.
  • the varnish can be spread onto the carrier material using conventional application units such as doctor or gap metering systems, anilox rollers or multi-roller systems.
  • the paint is cross-linked in contact with high-gloss metal surfaces or high-gloss cylinders by irradiation with high-energy electrons.
  • the irradiation with the accelerated electrons takes place from the rear, i.e. from the uncoated side of the carrier material.
  • the electrons must be accelerated in such a way that their penetration depth exceeds the thickness of the substrate plus the lacquer layer. This technique is described in DE 30 22 709.
  • the carrier material can also be coated on both sides or pre-coated on one or both sides with thermoplastics such as polyolefins.
  • thermoplastic layer which acts as a barrier layer under the interlayer of cross-linked lacquer, prevents the lacquer applied from penetrating (knocking away) into the paper and saves lacquer material.
  • the finished image is resistant to aging and heat thanks to the intermediate layer.
  • the coating composition should be free from organic solvents.
  • pretreatments such as a corona discharge have proven effective.
  • a neutral gummed paper with 175 g / m2 basis weight with alkyl ketene dimer was coated on one side with 25 ⁇ 2 g / m2 according to the following coating formulations (coating material) with a multi-roller application system at a machine speed of 60 m / min. Corona pretreatment of the paper surface was carried out before coating.
  • the coated paper was irradiated by means of accelerated electrons at an energy dose of 40 kJ / kg coating mass. Curing took place in a scanner system with a maximum of 180 kV and 100 mA electron current under nitrogen as the inert gas. The subsequent application of the image receiving layer will be described later.
  • a 135 g / m2 basis weight paper sized with stearic acid, alkyl ketene dimer and epoxidized fatty acid amide was coated on both sides with polyethylene (front 20 g / m2, back 25 g / m2) using the melt extrusion process and after a corona pretreatment on the front with 20 ⁇ 2 g / m2 coated according to the following paint formulations under the conditions as in Example 1.
  • the coated paper was pressed with the layer side against a water-cooled high-gloss cylinder and irradiated from the back of the paper by means of accelerated electrons at an energy dose of 35 kJ / kg of coating material in the system and under the inert gas, as in Example 1.
  • the base paper from Example 2 was extrusion coated on both sides with polyethylene.
  • the machine conditions corresponded to those from example 1.
  • the application weights per shift were 18-20 g / m2. Corona pretreatment was carried out before each coating.
  • the carrier materials from Example 1, Example 2 and Comparative Example V1 provided with an intermediate layer were coated with the following coating composition from aqueous solution using a roller application unit:
  • the machine speed was 130 m / min., The drying temperature was 110 ° C.
  • the application weight after drying was 5 - 7 g / m2.
  • the color density of the individual colors of the images obtained was measured using the original reflection densitometer SOS-45.
  • a line grid was selected for the individual primary colors and the line widths were measured for testing the aging and heat resistance . Since the measurement results of the individual primary colors (cyan, magenta, yellow) were only slightly differentiated, but mostly identical, the following table shows the averaged value of the three primary colors.
  • the imaged image-receiving materials without a cross-linked intermediate layer show significantly lower heat and aging resistance than those according to the invention, which is reflected in an increase in the line width.
  • Cross-linked intermediate layers combined with cross-linked image-receiving layers, result in images with a greatly reduced color density; the lower values of color density mean paler colors.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Claims (15)

  1. Matériau récepteur d'image pour le procédé de transfert thermique de colorants constitué d'un matériau de support, d'une couche intermédiaire et d'une couche de réception d'image et éventuellement d'autres couches, caractérisé en ce que la couche intermédiaire est constituée d'une matière réticulée, qui est produite sans utilisation d'un solvant organique, et que la couche de réception d'image est constituée d'une matière non réticulée, qui est obtenue sans utilisation d'un solvant organique.
  2. Matériau récepteur d'image selon la revendication 1, caractérisé en ce que la matière réticulée de la couche intermédiaire est une laque réticulée, pour laquelle la réticulation est obtenue par rayonnement de haute énergie, constitué par un faisceau d'électrons ou un rayonnement UV.
  3. Matériau récepteur selon les revendications 1 et 2, caractérisé en ce que la couche intermédiaire au moins est préparée à partir de monomères, d'oligomères et ou de prépolymères.
  4. Matériau selon les revendication 1 et 2, caractérisé en ce que la couche intermédiaire est préparée sans utilisation de monomères.
  5. Matériau récepteur d'image selon les revendications 1 à 4 caractérisé en ce que la couche intermédiaire est réticulée avec un ou plusieurs composés vinyliques, allyliques, acryliques et/ou méthacryliques réticulables.
  6. Matériau récepteur d'image selon la revendication 5 caractérisé en ce que les composés réticulables sont constitués de plus de 50 % en poids d'ester (méthyl)-acrylate.
  7. Matériau récepteur d'image selon les revendications 1 à 6 caractérisé en ce que la couche intermédiaire contient jusqu'à 80% en poids de pigments blancs choisis parmi le groupe constitué par les carbonates, oxydes, sulfates ou sulfites des éléments calcium, magnésium, baryum, strontium, zinc ou titane.
  8. Matériau récepteur d'image selon la revendication 7 caractérisé en ce que le pigment blanc est du dioxyde de titane.
  9. Matériau récepteur d'image selon les revendications 1 à 8 caractérisé en ce que la couche intermédiaire comprend des additifs tel des agents d'azurage optique, des colorants, des résines non réticulables et des photoinitiateurs en quantité inférieure à 20% en poids.
  10. Matériau récepteur d'image selon les revendications 1 à 9 caractérisé en ce que sous la couche intermédiaire on prévoit une couche d'arrêt.
  11. Matériau récepteur d'image selon la revendication 10 caractérisé en ce que la couche d'arrêt est constituée d'une polyoléfine.
  12. Procédé de fabrication d'un matériau récepteur d'image pour le procédé de transfert thermique de colorants, constitué d'un matériau de support, d'une couche intermédiaire et d'une couche de réception d'image et éventuellement d'autres couches, caractérisé en ce que le matériau de support est soumis aux étapes de procédé suivants :
    - pré-traitement corona de la surface
    - enduction avec une laque sans solvant pouvant être réticulée par rayonnement et
    - réticulation de la laque par un rayonnement de haute énergie pour former la couche intermédiaire
    - traitement corona de la couche intermédiaire réticulée
    - enduction de la couche intermédiaire avec une masse aqueuse de recouvrement libre de solvant et
    - séchage de la masse aqueuse pour obtenir la couche de réception d'image.
  13. Procédé selon la revendication 12, caractérisé en ce que le rayonnement de haute énergie est constitué d'un faisceau d'électrons ou d'un rayonnement UV.
  14. Procédé selon les revendications 12 et 13, caractérisé en ce que l'enduction avec une laque réticulable par rayonnement, libre de solvant et de monomère, est réalisée à une température élevée de la masse de recouvrement, et dans lequel la température se situe de préférence entre 30 et 60° C.
  15. Matériau selon les revendications 12 à 14 caractérisé en ce que la réticulation de la laque par rayonnement hautement énergétique se produit quand la laque se trouve en contact avec une surface métallique de grande brillance.
EP19920103825 1991-05-24 1992-03-06 Matériau récepteur multicouche pour le transfert thermique et son procédé de fabrication Expired - Lifetime EP0514631B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4116994 1991-05-24
DE4116994A DE4116994A1 (de) 1991-05-24 1991-05-24 Mehrschichtiges bildempfangsmaterial fuer thermische farbstoffuebertragungsverfahren und verfahren zu seiner herstellung

Publications (2)

Publication Number Publication Date
EP0514631A1 EP0514631A1 (fr) 1992-11-25
EP0514631B1 true EP0514631B1 (fr) 1995-06-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920103825 Expired - Lifetime EP0514631B1 (fr) 1991-05-24 1992-03-06 Matériau récepteur multicouche pour le transfert thermique et son procédé de fabrication

Country Status (4)

Country Link
US (1) US5302572A (fr)
EP (1) EP0514631B1 (fr)
JP (1) JPH05139060A (fr)
DE (1) DE4116994A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318943A (en) * 1991-05-27 1994-06-07 Dai Nippon Printing Co., Ltd. Thermal transfer image receiving sheet
CN1088656C (zh) 1994-07-26 2002-08-07 索尼公司 图像转印方法
NL1006663C2 (nl) * 1997-07-25 1999-01-26 Oce Tech Bv Beeldontvangstpapier voor kleuren inkjet bedrukking met waterige inkten.
US6610388B2 (en) * 2001-05-23 2003-08-26 Arkwright, Inc. Ink-jet recording media comprising a radiation-cured coating layer and a continuous in-line process for making such media
EP3865546A1 (fr) 2012-04-24 2021-08-18 AT Promotions Ltd Récipient pour boire ou manger antimicrobien
GB2525624A (en) 2014-04-29 2015-11-04 At Promotions Ltd Drinking or eating vessel
CN106470573A (zh) 2014-12-22 2017-03-01 艾普莫森有限公司 饮用或食用容器
GB201700408D0 (en) 2017-01-10 2017-02-22 A T Promotions Ltd Vacuum decoration of a drinking or eating vessel

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985792A (ja) * 1982-11-10 1984-05-17 Matsushita Electric Ind Co Ltd 染料熱転写記録用受容体
JPS59164187A (ja) * 1983-03-09 1984-09-17 Honshu Paper Co Ltd 熱転写記録媒体
JPS6398494A (ja) * 1986-10-15 1988-04-28 Nikon Corp 熱転写用受像シ−ト
US4837200A (en) * 1987-07-24 1989-06-06 Kanzaki Paper Manufacturing Co., Ltd. Image-receiving sheet for thermal transfer printing
JP2768468B2 (ja) * 1988-04-25 1998-06-25 王子製紙株式会社 溶融型熱転写インク画像受容シート
JPH02164593A (ja) * 1988-12-19 1990-06-25 Kanzaki Paper Mfg Co Ltd 熱転写記録用受像シート
JPH02223484A (ja) * 1989-02-23 1990-09-05 Mitsubishi Paper Mills Ltd 感熱転写用受像紙及びその製造方法
JPH02305688A (ja) * 1989-05-19 1990-12-19 Mitsubishi Paper Mills Ltd 熱転写記録用受像シート
EP0409515B1 (fr) * 1989-07-21 1995-01-04 Imperial Chemical Industries Plc Récepteur pour le transfert thermique
DE4117317C2 (de) * 1990-05-28 1993-12-16 Mitsubishi Paper Mills Ltd Aufnahmeblatt für die Wärmetransferaufzeichnung durch Sublimation und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
EP0514631A1 (fr) 1992-11-25
JPH05139060A (ja) 1993-06-08
DE4116994C2 (fr) 1993-04-08
DE4116994A1 (de) 1992-11-26
US5302572A (en) 1994-04-12

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