EP0908306A3 - A method for making positive working printing plates from a heat mode sensitive imaging element - Google Patents

A method for making positive working printing plates from a heat mode sensitive imaging element Download PDF

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Publication number
EP0908306A3
EP0908306A3 EP98203121A EP98203121A EP0908306A3 EP 0908306 A3 EP0908306 A3 EP 0908306A3 EP 98203121 A EP98203121 A EP 98203121A EP 98203121 A EP98203121 A EP 98203121A EP 0908306 A3 EP0908306 A3 EP 0908306A3
Authority
EP
European Patent Office
Prior art keywords
dyes
top layer
imaging element
heat mode
printing plates
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
EP98203121A
Other languages
German (de)
French (fr)
Other versions
EP0908306A2 (en
EP0908306B1 (en
EP0908306B3 (en
Inventor
Marc Van Damme
Joan Vermeersch
Geert Deroover
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 EP19980203121 priority Critical patent/EP0908306B3/en
Priority to DE69803819.3T priority patent/DE69803819T3/en
Publication of EP0908306A2 publication Critical patent/EP0908306A2/en
Publication of EP0908306A3 publication Critical patent/EP0908306A3/en
Publication of EP0908306B1 publication Critical patent/EP0908306B1/en
Application granted granted Critical
Publication of EP0908306B3 publication Critical patent/EP0908306B3/en
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
    • B41C1/1008—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials
    • B41C1/1016—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials characterised by structural details, e.g. protective layers, backcoat layers or several imaging layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C2201/00—Location, type or constituents of the non-imaging layers in lithographic printing formes
    • B41C2201/04—Intermediate layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
    • B41C2210/02—Positive working, i.e. the exposed (imaged) areas are removed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
    • B41C2210/06—Developable by an alkaline solution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
    • B41C2210/22—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation characterised by organic non-macromolecular additives, e.g. dyes, UV-absorbers, plasticisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
    • B41C2210/24—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation characterised by a macromolecular compound or binder obtained by reactions involving carbon-to-carbon unsaturated bonds, e.g. acrylics, vinyl polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
    • B41C2210/26—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation characterised by a macromolecular compound or binder obtained by reactions not involving carbon-to-carbon unsaturated bonds
    • B41C2210/262—Phenolic condensation polymers, e.g. novolacs, resols

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)

Abstract

According to the present invention there is provided a method for making lithographic printing plates including the following steps
  • a) preparing a heat mode imaging element consisting of a lithographic base with a hydrophilic surface and a top layer which top layer is sensitive to IR-radiation, comprises a polymer, soluble in an aqueous alkaline solution and is unpenetrable for an alkaline developer containing SiO2 as silicates;
  • b) exposing imagewise said heat mode imaging element to IR-radiation;
  • c) developing said imagewise exposed heat mode imaging element with said alkaline developer so that the exposed areas of the top layer are dissolved and the unexposed areas of the top layer remain undissolved characterized in that said top layer includes an IR-dye selected from the group consisting of indoaniline dyes, cyanine dyes, merocyanine dyes, oxonol dyes, porphine derivatives, anthraquinone dyes, merostyryl dyes, pyrylium compounds, diphenyl and triphenyl azo compounds and squarylium derivatives.
    •
    EP19980203121 1997-10-08 1998-09-16 A method for making positive working printing plates from a heat mode sensitive imaging element Expired - Lifetime EP0908306B3 (en)

    Priority Applications (2)

    Application Number Priority Date Filing Date Title
    EP19980203121 EP0908306B3 (en) 1997-10-08 1998-09-16 A method for making positive working printing plates from a heat mode sensitive imaging element
    DE69803819.3T DE69803819T3 (en) 1997-10-08 1998-09-16 A process for producing a positive-working printing plate of thermosensitive image-recording material

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    EP97203129 1997-10-08
    EP97203129 1997-10-08
    EP19980203121 EP0908306B3 (en) 1997-10-08 1998-09-16 A method for making positive working printing plates from a heat mode sensitive imaging element

    Publications (4)

    Publication Number Publication Date
    EP0908306A2 EP0908306A2 (en) 1999-04-14
    EP0908306A3 true EP0908306A3 (en) 1999-12-29
    EP0908306B1 EP0908306B1 (en) 2002-02-13
    EP0908306B3 EP0908306B3 (en) 2009-08-05

    Family

    ID=26146944

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP19980203121 Expired - Lifetime EP0908306B3 (en) 1997-10-08 1998-09-16 A method for making positive working printing plates from a heat mode sensitive imaging element

    Country Status (1)

    Country Link
    EP (1) EP0908306B3 (en)

    Families Citing this family (8)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    ES2114521T3 (en) 1996-04-23 2000-01-16 Kodak Polychrome Graphics Co PRECURSOR OF THE FORM FOR LITHOGRAPHIC PRINTING AND ITS USE IN THE FORMATION OF IMAGES BY HEAT.
    US6444393B2 (en) 1998-03-26 2002-09-03 Fuji Photo Film Co., Ltd. Anionic infrared-ray absorbing agent, photosensitive composition and planographic printing plate precursor using same
    DE69916773T2 (en) * 1999-01-26 2005-03-31 Agfa-Gevaert Heat-sensitive image recording material for producing positive-working planographic printing plates
    US6472119B1 (en) 1999-01-26 2002-10-29 Agfa-Gavaert Heat mode sensitive imaging element for making positive working printing plates
    US6423469B1 (en) * 1999-11-22 2002-07-23 Eastman Kodak Company Thermal switchable composition and imaging member containing oxonol IR dye and methods of imaging and printing
    JP2001324818A (en) * 2000-05-15 2001-11-22 Fuji Photo Film Co Ltd Method for replenishing developing solution for planographic printing plate
    US7297465B2 (en) 2003-12-18 2007-11-20 Agfa Graphics Nv Heat-sensitive lithographic printing plate precursor
    EP3594008A1 (en) * 2018-07-10 2020-01-15 Agfa-Gevaert Nv Near infrared (nir) laser processing of resin based articles

    Citations (14)

    * Cited by examiner, † Cited by third party
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    GB1076799A (en) * 1963-12-23 1967-07-19 Agfa Ag Photographic process for the production of reflex copies
    GB1154568A (en) * 1965-11-26 1969-06-11 Agfa Gevaert Nv Improvements relating to Thermographic Copying.
    GB1155035A (en) * 1966-06-23 1969-06-11 Agfa Gevaert Nv Thermographic Recording Process
    GB1160221A (en) * 1965-05-17 1969-08-06 Agfa Gevaert Nv Photothermographic Materials and Processes
    GB1245924A (en) * 1967-09-27 1971-09-15 Agfa Gevaert Improvements relating to thermo-recording
    EP0347245A2 (en) * 1988-06-17 1989-12-20 Fuji Photo Film Co., Ltd. Method for development processing of presensitized plates
    EP0366461A2 (en) * 1988-10-28 1990-05-02 Nippon Paper Industries Co., Ltd. Optical recording medium
    EP0573092A1 (en) * 1992-06-05 1993-12-08 Agfa-Gevaert N.V. A method for obtaining an image using a heat mode recording material
    DE4331162A1 (en) * 1993-09-14 1995-03-16 Bayer Ag Process for the preparation of cyanine dyes
    WO1995007822A1 (en) * 1993-09-14 1995-03-23 Agfa-Gevaert Naamloze Vennootschap Method and material for the formation of a heat mode image
    US5466557A (en) * 1994-08-29 1995-11-14 Eastman Kodak Company Radiation-sensitive composition containing a resole resin, a novolac resin, a latent bronsted acid, an infrared absorber and terephthalaldehyde and use thereof in lithographic printing plates
    US5491046A (en) * 1995-02-10 1996-02-13 Eastman Kodak Company Method of imaging a lithographic printing plate
    EP0706899A1 (en) * 1994-10-13 1996-04-17 Agfa-Gevaert N.V. Thermal imaging element
    EP0732628A1 (en) * 1995-03-07 1996-09-18 Minnesota Mining And Manufacturing Company Aqueous alkaline solution for developing offset printing plate

    Family Cites Families (13)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB1084070A (en) 1960-08-05 1967-09-20 Kalle Ag Process and material for the preparation of planographic printing plates
    DE3126627A1 (en) 1981-07-06 1983-01-20 Hoechst Ag, 6000 Frankfurt POLYVINYLMETHYLPHOSPHINIC ACID, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE
    DE3715791A1 (en) 1987-05-12 1988-11-24 Hoechst Ag PRINT PLATE CARRIERS AND METHOD AND DEVICE FOR THE PRODUCTION THEREOF
    DE3717654A1 (en) 1987-05-26 1988-12-08 Hoechst Ag METHOD FOR ELECTROCHEMICALLY Roughening ALUMINUM FOR PRINTING PLATE CARRIERS
    DE4001466A1 (en) 1990-01-19 1991-07-25 Hoechst Ag Electrochemical roughening of aluminium for printing plate mfr. - using combination of mechanical and electrochemical roughening before and/or after main electrochemical roughening stage
    DE4007428A1 (en) 1990-03-09 1991-09-12 Hoechst Ag Photopolymerisable mixt. sensitive to near UV and visible light
    DE4027301A1 (en) 1990-08-29 1992-03-05 Hoechst Ag PHOTOPOLYMERIZABLE MIXTURE AND MADE FROM THIS PHOTOPOLYMERISABLE RECORDING MATERIAL
    DE4134143A1 (en) 1991-10-16 1993-06-24 Hoechst Ag METHOD FOR MANUFACTURING FLAT PRESSURE FORMS AND FLAT PRINTING MAKES PRODUCED THEREOF
    GB9326150D0 (en) 1993-12-22 1994-02-23 Alcan Int Ltd Electrochemical roughening method
    DE4417907A1 (en) 1994-05-21 1995-11-23 Hoechst Ag Process for the aftertreatment of plate, foil or strip material, supports of such material and its use for offset printing plates
    DE4423140A1 (en) 1994-07-01 1996-01-04 Hoechst Ag Hydrophilized carrier material and recording material produced therewith
    DE4445820A1 (en) 1994-12-21 1996-06-27 Hoechst Ag Process for developing irradiated, radiation-sensitive recording materials
    ES2114521T3 (en) 1996-04-23 2000-01-16 Kodak Polychrome Graphics Co PRECURSOR OF THE FORM FOR LITHOGRAPHIC PRINTING AND ITS USE IN THE FORMATION OF IMAGES BY HEAT.

    Patent Citations (14)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB1076799A (en) * 1963-12-23 1967-07-19 Agfa Ag Photographic process for the production of reflex copies
    GB1160221A (en) * 1965-05-17 1969-08-06 Agfa Gevaert Nv Photothermographic Materials and Processes
    GB1154568A (en) * 1965-11-26 1969-06-11 Agfa Gevaert Nv Improvements relating to Thermographic Copying.
    GB1155035A (en) * 1966-06-23 1969-06-11 Agfa Gevaert Nv Thermographic Recording Process
    GB1245924A (en) * 1967-09-27 1971-09-15 Agfa Gevaert Improvements relating to thermo-recording
    EP0347245A2 (en) * 1988-06-17 1989-12-20 Fuji Photo Film Co., Ltd. Method for development processing of presensitized plates
    EP0366461A2 (en) * 1988-10-28 1990-05-02 Nippon Paper Industries Co., Ltd. Optical recording medium
    EP0573092A1 (en) * 1992-06-05 1993-12-08 Agfa-Gevaert N.V. A method for obtaining an image using a heat mode recording material
    DE4331162A1 (en) * 1993-09-14 1995-03-16 Bayer Ag Process for the preparation of cyanine dyes
    WO1995007822A1 (en) * 1993-09-14 1995-03-23 Agfa-Gevaert Naamloze Vennootschap Method and material for the formation of a heat mode image
    US5466557A (en) * 1994-08-29 1995-11-14 Eastman Kodak Company Radiation-sensitive composition containing a resole resin, a novolac resin, a latent bronsted acid, an infrared absorber and terephthalaldehyde and use thereof in lithographic printing plates
    EP0706899A1 (en) * 1994-10-13 1996-04-17 Agfa-Gevaert N.V. Thermal imaging element
    US5491046A (en) * 1995-02-10 1996-02-13 Eastman Kodak Company Method of imaging a lithographic printing plate
    EP0732628A1 (en) * 1995-03-07 1996-09-18 Minnesota Mining And Manufacturing Company Aqueous alkaline solution for developing offset printing plate

    Also Published As

    Publication number Publication date
    EP0908306A2 (en) 1999-04-14
    EP0908306B1 (en) 2002-02-13
    EP0908306B3 (en) 2009-08-05

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