EP1506857A3 - Positive-working thermal imaging element and positive-working lithographic printing plate precursor - Google Patents

Positive-working thermal imaging element and positive-working lithographic printing plate precursor Download PDF

Info

Publication number
EP1506857A3
EP1506857A3 EP04078163A EP04078163A EP1506857A3 EP 1506857 A3 EP1506857 A3 EP 1506857A3 EP 04078163 A EP04078163 A EP 04078163A EP 04078163 A EP04078163 A EP 04078163A EP 1506857 A3 EP1506857 A3 EP 1506857A3
Authority
EP
European Patent Office
Prior art keywords
positive
layer
working
imaging element
thermal imaging
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
EP04078163A
Other languages
German (de)
French (fr)
Other versions
EP1506857B1 (en
EP1506857A2 (en
Inventor
Ken-Ichi Shimazu
Jayanti Patel
Shashikant Saraiya
Nishith Merchant
Celin Savariar-Hauck
Hans-Joachim Timpe
Christopher Mccullough
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.)
Eastman Kodak Co
Original Assignee
Kodak Graphics Holding Inc
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 US09/301,866 external-priority patent/US6352812B1/en
Application filed by Kodak Graphics Holding Inc filed Critical Kodak Graphics Holding Inc
Publication of EP1506857A2 publication Critical patent/EP1506857A2/en
Publication of EP1506857A3 publication Critical patent/EP1506857A3/en
Application granted granted Critical
Publication of EP1506857B1 publication Critical patent/EP1506857B1/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
    • B41C2210/14—Multiple imaging 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
    • B41C2210/24—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
    • 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
    • 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
    • B41C2210/264—Polyesters; Polycarbonates
    • 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
    • B41C2210/266—Polyurethanes; Polyureas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/36—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties
    • B41M5/368—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties involving the creation of a soluble/insoluble or hydrophilic/hydrophobic permeability pattern; Peel development
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/46—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography characterised by the light-to-heat converting means; characterised by the heat or radiation filtering or absorbing means or layers
    • B41M5/465—Infrared radiation-absorbing materials, e.g. dyes, metals, silicates, C black
    • 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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/04—Printing plates or foils; Materials therefor metallic
    • B41N1/08—Printing plates or foils; Materials therefor metallic for lithographic printing

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)
  • Printing Plates And Materials Therefor (AREA)

Abstract

A positive-working thermal imaging element, which can be imaged by thermal energy is made up of a hydrophilic substrate, and a composite layer structure composed of two layer coatings. The first layer of the composite is composed of an aqueous developable polymer mixture containing a photothermal conversion material which is contiguous to the hydrophilic substrate. The second layer of the composite is composed of one or more non-aqueous soluble polymers which are soluble or dispersible in a solvent which does not dissolve the first layer. The second layer may also contain a photothermal conversion material. The element is exposed with an infrared laser or a thermal print head. Upon aqueous development of the imaged element unexposed portions are ink-receptive.
EP04078163A 1998-06-23 1999-06-08 Positive-working thermal imaging element and positive-working lithographic printing plate precursor Expired - Lifetime EP1506857B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9030098P 1998-06-23 1998-06-23
US90300P 1998-06-23
US301866 1999-04-29
US09/301,866 US6352812B1 (en) 1998-06-23 1999-04-29 Thermal digital lithographic printing plate
EP99928429A EP1011970B1 (en) 1998-06-23 1999-06-08 Thermal imaging element and lithographic printing plate precursor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP99928429A Division EP1011970B1 (en) 1998-06-23 1999-06-08 Thermal imaging element and lithographic printing plate precursor

Publications (3)

Publication Number Publication Date
EP1506857A2 EP1506857A2 (en) 2005-02-16
EP1506857A3 true EP1506857A3 (en) 2005-03-30
EP1506857B1 EP1506857B1 (en) 2007-04-25

Family

ID=33568197

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04078162A Withdrawn EP1506856A3 (en) 1998-06-23 1999-06-08 Positive-working thermal imaging element and positive-working lithographic printing plate precursor
EP04078163A Expired - Lifetime EP1506857B1 (en) 1998-06-23 1999-06-08 Positive-working thermal imaging element and positive-working lithographic printing plate precursor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04078162A Withdrawn EP1506856A3 (en) 1998-06-23 1999-06-08 Positive-working thermal imaging element and positive-working lithographic printing plate precursor

Country Status (1)

Country Link
EP (2) EP1506856A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1917141B1 (en) * 2005-08-05 2012-12-12 Kodak Graphic Communications GmbH Dual-layer heat- sensitive imageable elements with a polyvinyl acetal top layer
US7169518B1 (en) * 2006-04-17 2007-01-30 Eastman Kodak Company Multilayer imageable element with improved chemical resistance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0678380A2 (en) * 1994-04-13 1995-10-25 Presstek, Inc. Laser-imageable printing members for wet lithographic printing
EP0864420A1 (en) * 1997-03-11 1998-09-16 Agfa-Gevaert N.V. Heat-sensitive imaging element for making positive working printing plates
EP0908779A1 (en) * 1997-10-08 1999-04-14 Agfa-Gevaert N.V. A method for making positive working printing plates from a heat mode sensitive imaging element
EP0943451A1 (en) * 1998-03-14 1999-09-22 Agfa-Gevaert N.V. A method for making positive working printing plates from a heat mode sensitive imaging element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079041A (en) 1975-06-18 1978-03-14 Ciba-Geigy Corporation Crosslinkable polymeric compounds
JPS5953836A (en) 1982-09-21 1984-03-28 Fuji Photo Film Co Ltd Photosensitive lithographic plate
DE68921146T2 (en) 1988-11-11 1995-06-14 Fuji Photo Film Co Ltd Photosensitive composition.
US5112743A (en) 1989-05-24 1992-05-12 Fuji Photo Film Co., Ltd. Light-sensitive composition and presensitized plate for use in making lithographic printing plates
US5346975A (en) 1991-09-20 1994-09-13 Fuji Photo Film Co., Ltd. Light-sensitive composition
DE19847616C2 (en) 1998-10-15 2001-05-10 Kodak Polychrome Graphics Gmbh Polyvinyl acetals with imido groups and the use thereof in light-sensitive compositions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0678380A2 (en) * 1994-04-13 1995-10-25 Presstek, Inc. Laser-imageable printing members for wet lithographic printing
EP0864420A1 (en) * 1997-03-11 1998-09-16 Agfa-Gevaert N.V. Heat-sensitive imaging element for making positive working printing plates
EP0908779A1 (en) * 1997-10-08 1999-04-14 Agfa-Gevaert N.V. A method for making positive working printing plates from a heat mode sensitive imaging element
EP0943451A1 (en) * 1998-03-14 1999-09-22 Agfa-Gevaert N.V. A method for making positive working printing plates from a heat mode sensitive imaging element

Also Published As

Publication number Publication date
EP1506857B1 (en) 2007-04-25
EP1506857A2 (en) 2005-02-16
EP1506856A2 (en) 2005-02-16
EP1506856A3 (en) 2005-03-30

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