EP0713133A1 - Elément récepteur pour la transfert thermique - Google Patents

Elément récepteur pour la transfert thermique Download PDF

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Publication number
EP0713133A1
EP0713133A1 EP95202724A EP95202724A EP0713133A1 EP 0713133 A1 EP0713133 A1 EP 0713133A1 EP 95202724 A EP95202724 A EP 95202724A EP 95202724 A EP95202724 A EP 95202724A EP 0713133 A1 EP0713133 A1 EP 0713133A1
Authority
EP
European Patent Office
Prior art keywords
layer
donor
thermal imaging
receiving
reducing agent
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.)
Granted
Application number
EP95202724A
Other languages
German (de)
English (en)
Other versions
EP0713133B1 (fr
Inventor
Jean-Marie Dewanckele
Geert Defieuw
Marcel Monbaliu
Wilhelmus Janssens
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.)
Agfa Gevaert NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Priority to EP95202724A priority Critical patent/EP0713133B1/fr
Publication of EP0713133A1 publication Critical patent/EP0713133A1/fr
Application granted granted Critical
Publication of EP0713133B1 publication Critical patent/EP0713133B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
    • G03C1/498—Photothermographic systems, e.g. dry silver
    • G03C1/4989—Photothermographic systems, e.g. dry silver characterised by a thermal imaging step, with or without exposure to light, e.g. with a thermal head, using a laser
    • 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
    • B41M2205/06—Printing methods or features related to printing methods; Location or type of the layers relating to melt (thermal) mass transfer
    • 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
    • B41M2205/30—Thermal donors, e.g. thermal ribbons
    • 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
    • B41M2205/32—Thermal receivers
    • 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
    • B41M5/382—Contact thermal transfer or sublimation processes
    • B41M5/392—Additives, other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents
    • 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
    • B41M5/5227—Macromolecular coatings characterised by organic non-macromolecular additives, e.g. UV-absorbers, plasticisers, surfactants
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
    • G03C1/498—Photothermographic systems, e.g. dry silver
    • G03C1/49836—Additives
    • G03C1/49845—Active additives, e.g. toners, stabilisers, sensitisers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/40—Development by heat ; Photo-thermographic processes
    • G03C8/4013—Development by heat ; Photo-thermographic processes using photothermographic silver salt systems, e.g. dry silver

Definitions

  • the silver source is preferably added as a dispersion to the coating liquid of the receiving layer.
  • thermoplastic water insoluble resins are used wherein the ingredients can be dispersed homogeneously or form therewith a solid-state solution.
  • thermoplastic water insoluble resins are used wherein the ingredients can be dispersed homogeneously or form therewith a solid-state solution.
  • natural, modified natural or synthetic resins may be used, e.g.
  • Examples of mercaptotetrazoles are Sulphinic acids for use in connection with the present invention preferably correspond to the following formula (D): wherein each of R6 to R10 independently represent hydrogen or a substituent such as e.g. an alkyl group, an aryl group, a halogen, an alkoxy group, an aryloxy group, a hydroxy group, an alkoxy carbonyl group, an aryloxy carbonyl group, hydroxyalkyl, acylamido etc...
  • 1,3-dinitroaryl compounds for use in the present invention preferably correspond to the following formula (F): wherein X represents N or CR wherein R represents hydrogen, an alkyl or an aryl group; Y represents the atoms necessary to complete a 5- or 6-membered heterocyclic ring and R14, R15 each independently represent hydrogen or a substituent such as e.g. an alkyl group, an alkenyl group, an aryl group, a halogen, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an aryloxycarbonyl group, a hydroxyalkyl group etc.
  • Phthalic acids and phthalic derivatives preferably correspond to the following structural formulas (H) & (I) wherein the aromatic ring can be further substituted by one or more substituents such as an aryl group, an alkyl group, a halogen, an alkoxy group, an aryloxy group, a hydroxy, an alkoxy carbonyl group, an aryloxy carbonyl group and the like.
  • a phthalic acid derivative for use in the present invention is:
  • benzotriazoles and more in particular 3,4-dialkoxy substituted benzotriazoles are most preferred amongst the stabilisers listed above.
  • a mixture of stabilisers can also be used.
  • the stabiliser also improves the stability of the receiving element before printing.
  • a so-called toning agent in the receiving layer or in a layer adjacent to said receiving layer.
  • This toning agent serves to change the tone of the silver image from brown to black or grey.
  • Suitable toning agents are e.g. phthalazinone, phthalazine, phthalimide, succinimide, phthalic acid, benzimidazole or compound T1 or derivatives thereof.
  • phthalazinone or compound T1 or a mixture of phtalazinone and compound T1 is highly preferred.
  • the release agent is preferred in the printing method of the present invention since the reducing agents useful in the present invention may give rise to a sticky contact between donor element and receiving element.
  • a separate release layer incorporating the release agent
  • other ingredients such as binders, plasticizers, or particulate fillers such as talc, silica or collodial particles can be added to said release layer, provided that the transfer of the reducing agent to the receiving layer comprising the reducible silver source can take place.
  • binders for the release layer are gelatin, dextranes polyvinylbutyral, ethylcellulose, cellulose acetate propionate, cellulose acetate butyrate, polyvinylchloride, copolymers of vinylchloride, vinylacetate and vinylalcohol, aromatic or aliphatic copolyesters, polymethylmethacrylate, polycarbonates derived from bisphenol A, polycarbonates comprising bisphenols according to formula (II) and the like.
  • the release layer can also act as a protective layer for the images.
  • the subbing layer can further comprise other polymers, particles, or low molecular weight additives.
  • Addition of inorganic particles such as silica, colloidal silica, water soluble polymers such as gelatin, polymeric latices, polystyrene sulfonic acid and polystyrene sulfonic acid sodium salt, polyvinyl pyrrolidone, surfactants such as cationic, anionic, amphoteric and non-ionic surfactants, polymeric dispersants and antistatic agents such as those mentioned in EP 440957 is preferred.
  • inorganic particles such as silica, colloidal silica, water soluble polymers such as gelatin, polymeric latices, polystyrene sulfonic acid and polystyrene sulfonic acid sodium salt, polyvinyl pyrrolidone, surfactants such as cationic, anionic, amphoteric and non-ionic surfactants, polymeric dispersants and antistatic agents such
  • the intermediate layer may also have a cushioning property, such as mentioned in US 4,734,397.
  • the support for the receiving element may be a transparant film of e.g. polyethylene terephthalate, a polyether sulfone, a polyimide, a cellulose ester, or a polyvinyl alcohol-co-acetal.
  • the support may also be a reflective one such as baryta-coated paper, polyethylene-coated paper, or white polyester i.e. white-pigmented polyester. Blue-coloured polyethylene terephthalate film can also be used as a support.
  • subbing layer is useful for application on polyethylene-coated paper, substrates based on polyester, transparent or reflective, are preferred. In this case, the subbing layer can be applied before, during or after the biaxial stretching procedure.
  • a backcoat can be provided, optionally in combination, with an appropriate subbing layer to improve the adhesion between the backcoat and the support.
  • Hydrophilic as well as hydrophobic backcoats can be used. Hydrophilic backcoats can be applied easily from water, while hydrophobic backcoats have the advantage that the backcoat performs well at all humidity levels.
  • hydrophilic backcoat layers are layers comprising polyvinylalcohol, polyethylene glycol, polyacrylamide, hydroxyethylcellulose, dextran and gelatin.
  • gelatin is highly preferred.
  • Reducing agents selected from the group of pyrocatechol, pyrocatechol derivatives, gallol and gallolderivatives and leucoazomethines are preferred.
  • Especially preferred strong reducing agents are 4-phenylpyrocatechol and its derivatives, alkyl galates and 3,4-dihydrobenzoates.
  • Hydrophilic binders that can be used are polyvinylalcohol, gelatine, polyacrylamide and hydrophilic cellulosic binders such as hydroxyethyl cellulose, hydroxypropyl cellulose and the like.
  • the degree of discoloration (getting brown) was evaluated visually.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
EP95202724A 1994-10-14 1995-10-10 Elément récepteur pour la transfert thermique Expired - Lifetime EP0713133B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95202724A EP0713133B1 (fr) 1994-10-14 1995-10-10 Elément récepteur pour la transfert thermique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP94202981 1994-10-14
EP94202981 1994-10-14
EP95202724A EP0713133B1 (fr) 1994-10-14 1995-10-10 Elément récepteur pour la transfert thermique

Publications (2)

Publication Number Publication Date
EP0713133A1 true EP0713133A1 (fr) 1996-05-22
EP0713133B1 EP0713133B1 (fr) 2001-05-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP95202724A Expired - Lifetime EP0713133B1 (fr) 1994-10-14 1995-10-10 Elément récepteur pour la transfert thermique

Country Status (1)

Country Link
EP (1) EP0713133B1 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0809143A1 (fr) * 1996-05-21 1997-11-26 Agfa-Gevaert N.V. Matériau d'enregistrement thermographique à stabilité augmentée et ton d'image amélioré
US5922528A (en) * 1998-03-20 1999-07-13 Eastman Kodak Company Thermographic imaging element
US5928856A (en) * 1998-03-20 1999-07-27 Eastman Kodak Company Thermographic imaging element
US5928855A (en) * 1998-03-20 1999-07-27 Eastman Kodak Company Thermographic imaging element
US5994052A (en) * 1998-03-20 1999-11-30 Eastman Kodak Company Thermographic imaging element
US6066445A (en) * 1996-12-19 2000-05-23 Eastman Kodak Company Thermographic imaging composition and element comprising said composition
EP1006406A1 (fr) * 1998-11-30 2000-06-07 Agfa-Gevaert N.V. Matériau d'enregistrement thermographique noir et blanc ayant une stabilité à la lumière solaire améliorée
US6326331B1 (en) 1998-11-30 2001-12-04 Agfa-Gevaert Substantially light-insensitive black and white thermographic recording material with improved stability to direct sunlight
US6348308B1 (en) 1997-09-03 2002-02-19 Agfa-Gevaert Substantially light-insensitive thermographic recording material with improved stability and image-tone
EP1186947A1 (fr) * 2000-09-11 2002-03-13 Agfa-Gevaert Matériaux photothermographiques d'enregistrement à stabilité améliorée
US6558895B2 (en) 2000-09-11 2003-05-06 Agfa-Gevaert Photothermographic recording materials with improved stability
US6902880B2 (en) 2002-11-14 2005-06-07 Agfa-Gevaert Stabilizers for use in substantially light-insensitive thermographic recording materials
US6908731B2 (en) 2002-11-14 2005-06-21 Agfa-Gevaert Stabilizers for use in substantially light-insensitive thermographic recording materials
US7060655B2 (en) 2002-11-14 2006-06-13 Agfa Gevaert Stabilizers for use in substantially light-insensitive thermographic recording materials
US7175977B2 (en) 2003-12-18 2007-02-13 Agfa-Gevaert Stabilizers for use in thermographic recording materials
US7294605B2 (en) 2003-12-18 2007-11-13 Agfa-Healthcare Thermographic recording materials containing a mesionic, 1,2,4-triazolium-3-thiolate compound

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EP0458538A1 (fr) 1990-05-25 1991-11-27 Imperial Chemical Industries Plc Feuille de colorant pour le transfert thermique
EP0543441A1 (fr) 1991-11-19 1993-05-26 Agfa-Gevaert N.V. Méthode d'impression par transfert thermique de colorant pour obtenir une copie d'un diagnostique médical
EP0564010A1 (fr) 1992-03-30 1993-10-06 Agfa-Gevaert N.V. Elément donneur de colorant pour le transfert thermique de colorant par sublimation
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* Cited by examiner, † Cited by third party
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US3107174A (en) * 1958-10-20 1963-10-15 Minnesota Mining & Mfg Heat sensitive copy sheet and method of making
DE1145644B (de) * 1959-09-21 1963-03-21 Minnesota Mining & Mfg Thermographisches Kopiermaterial
US3031329A (en) * 1959-10-26 1962-04-24 Minnesota Mining & Mfg Heat-sensitive copy-sheet and composition therefor
US3767414A (en) * 1972-05-22 1973-10-23 Minnesota Mining & Mfg Thermosensitive copy sheets comprising heavy metal azolates and methods for their use
DE2363308A1 (de) * 1972-12-19 1974-06-27 Fuji Photo Film Co Ltd Direkte positive photographische silberhalogenidemulsion
DE2422772A1 (de) * 1973-05-12 1975-01-09 Konishiroku Photo Ind Lichtempfindliches photographisches silberhalogenidmaterial
JPS5319825A (en) * 1976-08-06 1978-02-23 Fuji Photo Film Co Ltd Thermodevelopable photosensitive material
JPS6019138A (ja) 1983-07-13 1985-01-31 Konishiroku Photo Ind Co Ltd 熱転写用受像要素
EP0133012A2 (fr) 1983-07-25 1985-02-13 Dai Nippon Insatsu Kabushiki Kaisha Feuille pour utilisation en impression par thermotransfer
US4567113A (en) 1983-09-12 1986-01-28 General Company Limited Heat-sensitive transferring recording medium
EP0138483A2 (fr) 1983-09-28 1985-04-24 Matsushita Electric Industrial Co., Ltd. Couches colorées pour l'impression par transfert thermique
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EP0809143A1 (fr) * 1996-05-21 1997-11-26 Agfa-Gevaert N.V. Matériau d'enregistrement thermographique à stabilité augmentée et ton d'image amélioré
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US6348308B1 (en) 1997-09-03 2002-02-19 Agfa-Gevaert Substantially light-insensitive thermographic recording material with improved stability and image-tone
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US5928855A (en) * 1998-03-20 1999-07-27 Eastman Kodak Company Thermographic imaging element
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US5922528A (en) * 1998-03-20 1999-07-13 Eastman Kodak Company Thermographic imaging element
EP1006406A1 (fr) * 1998-11-30 2000-06-07 Agfa-Gevaert N.V. Matériau d'enregistrement thermographique noir et blanc ayant une stabilité à la lumière solaire améliorée
US6326331B1 (en) 1998-11-30 2001-12-04 Agfa-Gevaert Substantially light-insensitive black and white thermographic recording material with improved stability to direct sunlight
EP1186947A1 (fr) * 2000-09-11 2002-03-13 Agfa-Gevaert Matériaux photothermographiques d'enregistrement à stabilité améliorée
US6558895B2 (en) 2000-09-11 2003-05-06 Agfa-Gevaert Photothermographic recording materials with improved stability
US6902880B2 (en) 2002-11-14 2005-06-07 Agfa-Gevaert Stabilizers for use in substantially light-insensitive thermographic recording materials
US6908731B2 (en) 2002-11-14 2005-06-21 Agfa-Gevaert Stabilizers for use in substantially light-insensitive thermographic recording materials
US7060655B2 (en) 2002-11-14 2006-06-13 Agfa Gevaert Stabilizers for use in substantially light-insensitive thermographic recording materials
US7175977B2 (en) 2003-12-18 2007-02-13 Agfa-Gevaert Stabilizers for use in thermographic recording materials
US7294605B2 (en) 2003-12-18 2007-11-13 Agfa-Healthcare Thermographic recording materials containing a mesionic, 1,2,4-triazolium-3-thiolate compound

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