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EP1614541A3 - Method of making a lithographic printing plate. - Google Patents

Method of making a lithographic printing plate. Download PDF

Info

Publication number
EP1614541A3
EP1614541A3 EP05106259A EP05106259A EP1614541A3 EP 1614541 A3 EP1614541 A3 EP 1614541A3 EP 05106259 A EP05106259 A EP 05106259A EP 05106259 A EP05106259 A EP 05106259A EP 1614541 A3 EP1614541 A3 EP 1614541A3
Authority
EP
European Patent Office
Prior art keywords
coating
support
exposed areas
image
cie
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.)
Withdrawn
Application number
EP05106259A
Other languages
German (de)
French (fr)
Other versions
EP1614541A2 (en
Inventor
Paul Callant
Johan Loccufier
Alexander Williamson
Hieronymus Andriessen
Jürgen JUNG
Christel Geukens
Jos Louwet
Marc Van Damme
Joan Vermeersch
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
Priority claimed from EP05105440A external-priority patent/EP1736312B1/en
Application filed by Agfa Gevaert NV, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Priority to EP05106259A priority Critical patent/EP1614541A3/en
Publication of EP1614541A2 publication Critical patent/EP1614541A2/en
Publication of EP1614541A3 publication Critical patent/EP1614541A3/en
Withdrawn legal-status Critical Current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
    • B41C2210/04—Negative working, i.e. the non-exposed (non-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

Landscapes

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

Abstract

A method for making a lithographic printing plate is disclosed which comprises the steps of :
  • i) providing a lithographic printing plate precursor comprising
    • an aluminum support with a grained and anodized surface having CIE 1976 color coordinates L*sup which is not less than 70 and a*sup and b*sup each in the range from -4 to +4; and
    • a coating on said support which comprises an image-recording layer comprising an infrared-sensitized photopolymerizable or photocurable composition; which together form a coated support having a CIE 1976 lightness value L*nonexp which is not less than 50;
  • ii) image-wise exposing the coating to infrared light, thereby
    • inducing polymerization or curing of the composition at exposed areas; and
    • forming a visible print-out image in the coating of which the lightness difference ΔL* is at least 5, wherein ΔL* is defined as L*nonexp minus L*exp, wherein L*exp is the CIE 1976 lightness value of the coated support at exposed areas;
  • iii) removing non-exposed areas of the coating with a developer. The combination of an essentially white support, an essentially colorless or only slightly colored coating and a lightness difference between non-exposed and exposed areas of at least 5 provides a print-out image with a high contrast, which enables convenient image quality control before developing the plate.
EP05106259A 2004-07-08 2005-07-08 Method of making a lithographic printing plate. Withdrawn EP1614541A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05106259A EP1614541A3 (en) 2004-07-08 2005-07-08 Method of making a lithographic printing plate.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04103252 2004-07-08
EP05105440A EP1736312B1 (en) 2005-06-21 2005-06-21 Heat-sensitive imaging element
EP05106259A EP1614541A3 (en) 2004-07-08 2005-07-08 Method of making a lithographic printing plate.

Publications (2)

Publication Number Publication Date
EP1614541A2 EP1614541A2 (en) 2006-01-11
EP1614541A3 true EP1614541A3 (en) 2006-06-07

Family

ID=35045260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05106259A Withdrawn EP1614541A3 (en) 2004-07-08 2005-07-08 Method of making a lithographic printing plate.

Country Status (1)

Country Link
EP (1) EP1614541A3 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602006006969D1 (en) 2006-03-17 2009-07-09 Agfa Graphics Nv Negative heat-sensitive lithographic printing form precursor
DE602006009919D1 (en) 2006-08-03 2009-12-03 Agfa Graphics Nv Lithographic printing plate support
ES2344025T3 (en) 2007-03-27 2010-08-16 Agfa Graphics N.V. METHOD OF MANUFACTURE OF A LITHOGRAPHIC PRINT IRON.
ATE468981T1 (en) 2007-11-30 2010-06-15 Agfa Graphics Nv METHOD FOR TREATING A LITHOGRAPHIC PRINTING PLATE
ATE481240T1 (en) 2008-02-28 2010-10-15 Agfa Graphics Nv METHOD FOR PRODUCING A LITHOGRAPHIC PRINTING PLATE
ES2430562T3 (en) 2008-03-04 2013-11-21 Agfa Graphics N.V. Method for manufacturing a support of a lithographic printing plate
ATE514561T1 (en) 2008-03-31 2011-07-15 Agfa Graphics Nv METHOD FOR TREATING A LITHOGRAPHIC PRINTING PLATE
US8084182B2 (en) 2008-04-29 2011-12-27 Eastman Kodak Company On-press developable elements and methods of use
US8240943B2 (en) 2008-07-09 2012-08-14 Eastman Kodak Company On-press developable imageable elements
PL2243628T3 (en) 2009-04-24 2013-05-31 Agfa Nv Method for making lithographic printing plates
SG184224A1 (en) * 2010-03-24 2012-11-29 Univ Singapore Development of photostable near-ir cyanine dyes for in vivo imaging
US8900798B2 (en) 2010-10-18 2014-12-02 Eastman Kodak Company On-press developable lithographic printing plate precursors
EP2753981B1 (en) 2011-09-08 2015-10-14 AGFA Graphics NV Method of making a lithographic printing plate
CN104203588B (en) * 2012-03-29 2017-03-08 富士胶片株式会社 Original edition of lithographic printing plate and its printing process
JP6360178B2 (en) * 2013-10-15 2018-07-18 アグファ・ナームローゼ・フェンノートシャップＡｇｆａ Ｎｖ How to provide a lithographic printing plate
EP2871057B1 (en) 2013-11-07 2016-09-14 Agfa Graphics Nv Negative working, heat-sensitive lithographic printing plate precursor
ES2655798T3 (en) 2014-12-08 2018-02-21 Agfa Nv System to reduce ablation waste
EP3121008B1 (en) 2015-07-23 2018-06-13 Agfa Nv A lithographic printing plate precursor comprising graphite oxide
US20190079404A1 (en) 2016-03-16 2019-03-14 Agfa Nv Method for processing a lithographic printing plate
EP3239184A1 (en) 2016-04-25 2017-11-01 Agfa Graphics NV Thermoplastic polymer particles and a lithographic printing plate precursor
EP3674796B1 (en) 2017-08-25 2023-11-22 FUJIFILM Corporation Negative-type planographic printing plate precursor and method for producing planographic printing plate
CN112088093B (en) * 2018-05-14 2022-07-26 爱克发有限公司 Lithographic printing plate precursor
EP3587112B1 (en) * 2018-06-21 2024-04-03 Eco3 Bv A lithographic printing plate precursor
EP3587113B1 (en) * 2018-06-21 2023-01-04 Agfa Offset Bv A lithographic printing plate precursor
EP3715140A1 (en) 2019-03-29 2020-09-30 Agfa Nv A method of printing
EP3875271A1 (en) * 2020-03-04 2021-09-08 Agfa Nv A lithographic printing plate precursor
US20230311474A1 (en) * 2020-06-24 2023-10-05 Agfa Offset Bv A Lithographic Printing Plate Precursor

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EP1508440A2 (en) * 2003-08-22 2005-02-23 Fuji Photo Film Co., Ltd. Lithographic printing process

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EP1300241A2 (en) * 2001-10-03 2003-04-09 Fuji Photo Film Co., Ltd. Lithographic printing plate precursor
EP1428676A2 (en) * 2002-12-12 2004-06-16 Konica Minolta Holdings, Inc. Printing plate material
EP1502736A2 (en) * 2003-07-30 2005-02-02 Fuji Photo Film Co., Ltd. Lithographic printing process
EP1508440A2 (en) * 2003-08-22 2005-02-23 Fuji Photo Film Co., Ltd. Lithographic printing process

Also Published As

Publication number Publication date
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