EP1543958A3 - Heat-sensitive lithographic printing plate precursor. - Google Patents

Heat-sensitive lithographic printing plate precursor. Download PDF

Info

Publication number
EP1543958A3
EP1543958A3 EP04101638A EP04101638A EP1543958A3 EP 1543958 A3 EP1543958 A3 EP 1543958A3 EP 04101638 A EP04101638 A EP 04101638A EP 04101638 A EP04101638 A EP 04101638A EP 1543958 A3 EP1543958 A3 EP 1543958A3
Authority
EP
European Patent Office
Prior art keywords
printing plate
plate precursor
lithographic printing
heat
sensitive lithographic
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
EP04101638A
Other languages
German (de)
French (fr)
Other versions
EP1543958A2 (en
EP1543958B1 (en
Inventor
Huub Van Aert
Bert Groenendaal
Marc Van Damme
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 EP20040101638 priority Critical patent/EP1543958B1/en
Publication of EP1543958A2 publication Critical patent/EP1543958A2/en
Publication of EP1543958A3 publication Critical patent/EP1543958A3/en
Application granted granted Critical
Publication of EP1543958B1 publication Critical patent/EP1543958B1/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
    • 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)

Abstract

According to the present invention there is provided a positive-working lithographic printing plate precursor which comprises on a support having a hydrophilic surface or which is provided with a hydrophilic layer, an oleophilic coating comprising an infrared absorbing agent, an alkali-soluble polymeric binder and a polysiloxane which comprises at least one carboxylic acid group or a salt thereof. The disclosed printing plate precursor has an improved sensitivity and at the same time a high under exposure latitude and a high developer resistance.
EP20040101638 2003-12-18 2004-04-21 Heat-sensitive lithographic printing plate precursor Expired - Lifetime EP1543958B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20040101638 EP1543958B1 (en) 2003-12-18 2004-04-21 Heat-sensitive lithographic printing plate precursor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03104786 2003-12-18
EP03104786 2003-12-18
EP20040101638 EP1543958B1 (en) 2003-12-18 2004-04-21 Heat-sensitive lithographic printing plate precursor

Publications (3)

Publication Number Publication Date
EP1543958A2 EP1543958A2 (en) 2005-06-22
EP1543958A3 true EP1543958A3 (en) 2005-12-28
EP1543958B1 EP1543958B1 (en) 2009-01-28

Family

ID=34524755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040101638 Expired - Lifetime EP1543958B1 (en) 2003-12-18 2004-04-21 Heat-sensitive lithographic printing plate precursor

Country Status (1)

Country Link
EP (1) EP1543958B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602006009919D1 (en) 2006-08-03 2009-12-03 Agfa Graphics Nv Lithographic printing plate support
CN104334351B (en) * 2012-06-05 2016-08-17 爱克发印艺公司 Lighographic printing plate precursor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974513A (en) * 1988-09-01 1990-12-04 Ricoh Company, Ltd. Thermal direct master
EP0847853A1 (en) * 1996-11-14 1998-06-17 Eastman Kodak Company A processless planographic printing plate
EP0950517A1 (en) * 1998-04-15 1999-10-20 Agfa-Gevaert N.V. A heat mode sensitive imaging element for making positive working printing plates
WO2001070511A2 (en) * 2000-03-20 2001-09-27 Kodak Polychrome Graphics Co., Ltd. Ablatable processes imaging member and method of use
WO2001070502A2 (en) * 2000-03-20 2001-09-27 Kodak Polychrome Graphics Co. Ltd. Planographic thermal processless imaging member and methods of use

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974513A (en) * 1988-09-01 1990-12-04 Ricoh Company, Ltd. Thermal direct master
EP0847853A1 (en) * 1996-11-14 1998-06-17 Eastman Kodak Company A processless planographic printing plate
EP0950517A1 (en) * 1998-04-15 1999-10-20 Agfa-Gevaert N.V. A heat mode sensitive imaging element for making positive working printing plates
WO2001070511A2 (en) * 2000-03-20 2001-09-27 Kodak Polychrome Graphics Co., Ltd. Ablatable processes imaging member and method of use
WO2001070502A2 (en) * 2000-03-20 2001-09-27 Kodak Polychrome Graphics Co. Ltd. Planographic thermal processless imaging member and methods of use

Also Published As

Publication number Publication date
EP1543958A2 (en) 2005-06-22
EP1543958B1 (en) 2009-01-28

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