EP1543959A3 - Heat-sensitive lithographic printing plate precursor. - Google Patents

Heat-sensitive lithographic printing plate precursor. Download PDF

Info

Publication number
EP1543959A3
EP1543959A3 EP04101643A EP04101643A EP1543959A3 EP 1543959 A3 EP1543959 A3 EP 1543959A3 EP 04101643 A EP04101643 A EP 04101643A EP 04101643 A EP04101643 A EP 04101643A EP 1543959 A3 EP1543959 A3 EP 1543959A3
Authority
EP
European Patent Office
Prior art keywords
printing plate
heat
mol
lithographic printing
plate precursor
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
EP04101643A
Other languages
German (de)
French (fr)
Other versions
EP1543959A2 (en
EP1543959B1 (en
Inventor
Marc Van Damme
Huub Van Aert
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 NV
Original Assignee
Agfa Gevaert NV
Agfa Gevaert AG
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, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Priority to EP20040101643 priority Critical patent/EP1543959B1/en
Publication of EP1543959A2 publication Critical patent/EP1543959A2/en
Publication of EP1543959A3 publication Critical patent/EP1543959A3/en
Application granted granted Critical
Publication of EP1543959B1 publication Critical patent/EP1543959B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B41C2201/02—Cover layers; Protective 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
    • B41C2201/00—Location, type or constituents of the non-imaging layers in lithographic printing formes
    • B41C2201/14—Location, type or constituents of the non-imaging layers in lithographic printing formes characterised by macromolecular organic compounds, e.g. binder, adhesives
    • 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)
  • Materials For Photolithography (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

A heat-sensitive lithographic printing plate precursor is disclosed which comprises a hydrophilic support and an oleophilic coating thereon which comprises an infrared light-to-heat converter, an alkali-soluble binder and a polymeric developer accelerator. The polymeric developer accelerator is preferably a phenolic formaldehyde resin comprising at least 70 mol% of meta-cresol as recurring unit or at least 40 mol % of monohydroxy benzene cresol as recurring unit. The PDA may also be a phenolic resin which comprises at least 5 mol% of a recurring monomeric unit having at least one phenolic hydroxyl group and at least one alkali solubilising group. The polymeric developer accelerator improves the sensitivity while maintaining a good under-exposure latitude and a good developer resistance of the printing plate.
EP20040101643 2003-12-18 2004-04-21 Heat-sensitive lithographic printing plate precursor. Expired - Fee Related EP1543959B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20040101643 EP1543959B1 (en) 2003-12-18 2004-04-21 Heat-sensitive lithographic printing plate precursor.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03104784 2003-12-18
EP03104784 2003-12-18
EP20040101643 EP1543959B1 (en) 2003-12-18 2004-04-21 Heat-sensitive lithographic printing plate precursor.

Publications (3)

Publication Number Publication Date
EP1543959A2 EP1543959A2 (en) 2005-06-22
EP1543959A3 true EP1543959A3 (en) 2006-01-11
EP1543959B1 EP1543959B1 (en) 2009-07-15

Family

ID=34524754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040101643 Expired - Fee Related EP1543959B1 (en) 2003-12-18 2004-04-21 Heat-sensitive lithographic printing plate precursor.

Country Status (1)

Country Link
EP (1) EP1543959B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2439734A (en) * 2006-06-30 2008-01-09 Peter Andrew Reath Bennett Coating for a lithographic precursor and use thereof
EP3892469B1 (en) * 2020-04-10 2023-11-08 Eco3 Bv Lithographic printing plate precursor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0625728A2 (en) * 1993-05-19 1994-11-23 Eastman Kodak Company Radiation-sensitive composition containing a resole resin and a novolak resin and use thereof in lithographic plates
EP0914941A1 (en) * 1997-11-07 1999-05-12 Agfa-Gevaert N.V. A method for making positive working printing plates from heat mode sensitive imaging element
US20020009671A1 (en) * 1997-09-08 2002-01-24 Willi-Kurt Gries Positive-working ir-sensitive mixture
US6436596B1 (en) * 1999-10-15 2002-08-20 Fuji Photo Film Co., Ltd. Quality control method for a planographic printing plate
US20030165774A1 (en) * 2001-05-31 2003-09-04 Arias Andre Luiz Coating composition and method for preparing radiation sensitive plate useful in lithographic printing and the like
EP1366926A1 (en) * 2002-05-28 2003-12-03 Fuji Photo Film Co., Ltd Photosensitive composition

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045232A (en) 1973-11-12 1977-08-30 Topar Products Corporation Printing ink composition
US4981517A (en) 1989-06-12 1991-01-01 Desanto Jr Ronald F Printing ink emulsion
DE4204691A1 (en) 1992-02-17 1993-09-02 Hoechst Ag METHOD AND DEVICE FOR DEVELOPING RADIATION-SENSITIVE, ILLUMINATED PRESSURE FORMS
US6140392A (en) 1998-11-30 2000-10-31 Flint Ink Corporation Printing inks

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0625728A2 (en) * 1993-05-19 1994-11-23 Eastman Kodak Company Radiation-sensitive composition containing a resole resin and a novolak resin and use thereof in lithographic plates
US20020009671A1 (en) * 1997-09-08 2002-01-24 Willi-Kurt Gries Positive-working ir-sensitive mixture
EP0914941A1 (en) * 1997-11-07 1999-05-12 Agfa-Gevaert N.V. A method for making positive working printing plates from heat mode sensitive imaging element
US6436596B1 (en) * 1999-10-15 2002-08-20 Fuji Photo Film Co., Ltd. Quality control method for a planographic printing plate
US20030165774A1 (en) * 2001-05-31 2003-09-04 Arias Andre Luiz Coating composition and method for preparing radiation sensitive plate useful in lithographic printing and the like
EP1366926A1 (en) * 2002-05-28 2003-12-03 Fuji Photo Film Co., Ltd Photosensitive composition

Also Published As

Publication number Publication date
EP1543959A2 (en) 2005-06-22
EP1543959B1 (en) 2009-07-15

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