GB1057281A - Improvements in or relating to the preparation of printing plates for use in offset lithography - Google Patents

Improvements in or relating to the preparation of printing plates for use in offset lithography

Info

Publication number
GB1057281A
GB1057281A GB1591562A GB1591562A GB1057281A GB 1057281 A GB1057281 A GB 1057281A GB 1591562 A GB1591562 A GB 1591562A GB 1591562 A GB1591562 A GB 1591562A GB 1057281 A GB1057281 A GB 1057281A
Authority
GB
United Kingdom
Prior art keywords
layer
image
pigment
solution
preparation
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
Application number
GB1591562A
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.)
NORMAN CHARLES FREDERICK HUXFO
Ozalid Co Ltd
Original Assignee
NORMAN CHARLES FREDERICK HUXFO
Ozalid Co Ltd
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 NORMAN CHARLES FREDERICK HUXFO, Ozalid Co Ltd filed Critical NORMAN CHARLES FREDERICK HUXFO
Priority to GB1591562A priority Critical patent/GB1057281A/en
Publication of GB1057281A publication Critical patent/GB1057281A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/03—Chemical or electrical pretreatment
    • B41N3/036—Chemical or electrical pretreatment characterised by the presence of a polymeric hydrophilic coating
    • 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
    • B41C1/1091—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by physical transfer from a donor sheet having an uniform coating of lithographic material using thermal means as provided by a thermal head or a laser; by mechanical pressure, e.g. from a typewriter by electrical recording ribbon therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/016—Diazonium salts or compounds
    • G03F7/021—Macromolecular diazonium compounds; Macromolecular additives, e.g. binders

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

1,057,281. Printing plates. OZALID CO. Ltd., A. J. O. AXFORD, and N. C. F. HUXFORD. July 24, 1963 [April 26, 1962], No. 15915/62. Heading B6C. A process for the preparation of an offset lithographic printing plate comprises producing on a layer of hydrophilic resin carried on a support, e.g. of kraft paper, and containing a finely divided reactive pigment, an image from which prints are to be made and rendering the non-image areas of the layer hydrophilic by application to the layer of an aqueous solution of a ferrocyanide or a ferricyanide such solution reacting with the pigment. The reactive pigment may be an oxide or sulphide of cadmium, molybdenum, antimony, bismuth, lead or zinc. The image may be produced on the plate either directly by inscribing the image, e.g. by typing, writing or drawing, on the surface of the resin layer using an oleophilic medium or by providing the layer with a surface coating of lightsensitive material and using photographic methods. The aqueous solution may contain copolymeric organic acid and/or phosphoric acid. It may also contain up to 10% by weight of an organic solvent to enhance the wetting properties of the solution. Further optional additives include wetting and/or thickening agents. A typical hydrophobic resin layer may comprise an amine-formaldehyde resin and a cross-linking agent therefor.
GB1591562A 1962-04-26 1962-04-26 Improvements in or relating to the preparation of printing plates for use in offset lithography Expired GB1057281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1591562A GB1057281A (en) 1962-04-26 1962-04-26 Improvements in or relating to the preparation of printing plates for use in offset lithography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1591562A GB1057281A (en) 1962-04-26 1962-04-26 Improvements in or relating to the preparation of printing plates for use in offset lithography

Publications (1)

Publication Number Publication Date
GB1057281A true GB1057281A (en) 1967-02-01

Family

ID=10067845

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1591562A Expired GB1057281A (en) 1962-04-26 1962-04-26 Improvements in or relating to the preparation of printing plates for use in offset lithography

Country Status (1)

Country Link
GB (1) GB1057281A (en)

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