EP0966354B1 - Plaques lithographiques munies d'une couche sol-gel - Google Patents

Plaques lithographiques munies d'une couche sol-gel Download PDF

Info

Publication number
EP0966354B1
EP0966354B1 EP98909079A EP98909079A EP0966354B1 EP 0966354 B1 EP0966354 B1 EP 0966354B1 EP 98909079 A EP98909079 A EP 98909079A EP 98909079 A EP98909079 A EP 98909079A EP 0966354 B1 EP0966354 B1 EP 0966354B1
Authority
EP
European Patent Office
Prior art keywords
printing plate
plate
support
image
coating
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
EP98909079A
Other languages
German (de)
English (en)
Other versions
EP0966354A1 (fr
Inventor
Charles D. Deboer
Judith L. Fleissig
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.)
Kodak Graphics Holding Inc
Original Assignee
Kodak Graphics Holding Inc
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 Kodak Graphics Holding Inc filed Critical Kodak Graphics Holding Inc
Priority claimed from PCT/US1998/004638 external-priority patent/WO1998040212A1/fr
Publication of EP0966354A1 publication Critical patent/EP0966354A1/fr
Application granted granted Critical
Publication of EP0966354B1 publication Critical patent/EP0966354B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1041—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by modification of the lithographic properties without removal or addition of material, e.g. by the mere generation of a lithographic pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • 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
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)

Claims (10)

  1. Plaque d'impression lithographique comprenant:
    a) un support, et
    b) une couche de conversion photothermique mélanophile appliquée sur le support
    la plaque d'impression étant caractérisée en ce qu'elle comprend de plus une couche mélanophobe comprenant une matrice de polymère réticulé contenant un colloïde d'un oxyde de béryllium, de. magnésium, d'aluminium, de silicium, de gadolinium, de germanium, d'arsenic, d'indium, d'étain, d'antimoine, de tellure, de plomb, de bismuth ou d'un métal de transition, ou un colloïde d'un hydroxysilicium, un hydroxyaluminium, un hydroxytitane ou un hydroxyzirconium.
  2. Plaque d'impression selon la revendication 1, dans laquelle le support est un film de polyester ou de l'aluminium anodisé.
  3. Plaque d'impression selon la revendication 1 ou 2, dans laquelle la couche de conversion photothermique comprend du carbone dispersé dans un liant cellulosique.
  4. Plaque d'impression selon l'une quelconque des revendications 1 à 3, dans laquelle la couche mélanophobe comprend du carbone disposé dans la nitrocellulose.
  5. Plaque d'impression selon l'une quelconque des revendications 1 à 4, dans laquelle l'épaisseur de la couche mélanophobe est de 0,05 à 1 µm.
  6. Plaque d'impression selon l'une quelconque des revendications 1 à 5, dans laquelle la couche mélanophobe contient moins de 5% de groupements d'hydrocarbure en poids.
  7. Plaque d'impression selon l'une quelconque des revendications 1 à 6, dans laquelle le colloïde est l'hydroxysilicium.
  8. Plaque d'impression selon l'une quelconque des revendications 1 à 6, dans laquelle le colloïde est l'hydroxyaluminium, l'hydroxytitane ou l'hydoxyzirconium.
  9. Plaque d'impression selon l'une quelconque des revendications 1 à 6, dans laquelle la matrice de polymère réticulé est obtenue à partir de di-, tri- ou tétraalkoxy silane, titanate, zirconate ou aluminate.
  10. Procédé de formation d'images comprenant l'exposition dans le sens d'une image, d'une plaque d'impression selon l'une quelconque des revendications 1 à 9, à un rayonnement infrarouge pour donner une image dans des régions exposées, sans traitement après formation de l'image.
EP98909079A 1997-03-13 1998-03-10 Plaques lithographiques munies d'une couche sol-gel Expired - Lifetime EP0966354B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US97991697A 1997-03-13 1997-03-13
US979916 1997-03-13
US99795897A 1997-12-24 1997-12-24
US997958 1997-12-24
PCT/US1998/004638 WO1998040212A1 (fr) 1997-03-13 1998-03-10 Plaques lithographiques munies d'une couche sol-gel
2001-06-11

Publications (2)

Publication Number Publication Date
EP0966354A1 EP0966354A1 (fr) 1999-12-29
EP0966354B1 true EP0966354B1 (fr) 2002-05-29

Family

ID=27130608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98909079A Expired - Lifetime EP0966354B1 (fr) 1997-03-13 1998-03-10 Plaques lithographiques munies d'une couche sol-gel

Country Status (3)

Country Link
EP (1) EP0966354B1 (fr)
JP (1) JP2002514984A (fr)
DE (1) DE69805612T2 (fr)

Also Published As

Publication number Publication date
JP2002514984A (ja) 2002-05-21
EP0966354A1 (fr) 1999-12-29
DE69805612D1 (de) 2002-07-04
DE69805612T2 (de) 2002-12-05

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