EP1084862B1 - Verfahren zur Sprühbeschichtung eines wärmeempfindlichen Aufzeichnungselements - Google Patents

Verfahren zur Sprühbeschichtung eines wärmeempfindlichen Aufzeichnungselements Download PDF

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Publication number
EP1084862B1
EP1084862B1 EP19990203065 EP99203065A EP1084862B1 EP 1084862 B1 EP1084862 B1 EP 1084862B1 EP 19990203065 EP19990203065 EP 19990203065 EP 99203065 A EP99203065 A EP 99203065A EP 1084862 B1 EP1084862 B1 EP 1084862B1
Authority
EP
European Patent Office
Prior art keywords
spray
receiving surface
hydrophilic
coating
heat
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.)
Expired - Lifetime
Application number
EP19990203065
Other languages
English (en)
French (fr)
Other versions
EP1084862A1 (de
Inventor
Eric C/O Agfa-Gevaert N.V. Verschueren
Joan C/O Agfa-Gevaert N.V. 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 Gevaert 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 EP19990203065 priority Critical patent/EP1084862B1/de
Priority to DE69912775T priority patent/DE69912775T2/de
Priority to JP2000269944A priority patent/JP2001121835A/ja
Priority to US09/659,691 priority patent/US6479216B1/en
Publication of EP1084862A1 publication Critical patent/EP1084862A1/de
Application granted granted Critical
Publication of EP1084862B1 publication Critical patent/EP1084862B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41C1/1025—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 using materials comprising a polymeric matrix containing a polymeric particulate material, e.g. hydrophobic heat coalescing particles
    • 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
    • B41C1/1066—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by spraying with powders, by using a nozzle, e.g. an ink jet system, by fusing a previously coated powder, e.g. with a laser
    • 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
    • B41C2210/08—Developable by water or the fountain 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (9)

  1. Ein Verfahren zum Erhalten einer hochqualitativen Druckplatte durch Aufsprühen einer Spritzlösung auf eine Empfangsoberfläche, bei der es sich nicht um eine gekörnte und eloxierte Aluminiumoberfläche handelt, dadurch gekennzeichnet, daß der Druckfaktor (PF) weniger als 200 mN/m beträgt, wobei PF = (P/d) x (σ +  mN/m °)
    PF : Druckfaktor (mN/m)
    P : Spritzprofil (mm)
    d : Abstand zwischen dem Spritzkopf und der Empfangsoberfläche (mm)
    σ : Oberflächenspannung (mN/m)
     : dynamischer Kontaktwinkel der Empfangsoberfläche mit Wasser bei einer 2sekündigen Kontaktzeit (°).
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Druckfaktor weniger als 125 mN/N beträgt.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Spritzlösung hydrophobe thermoplastische polymere Teilchen und eine Verbindung, die Licht in Wärme umzuwandeln vermag, enthält.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß die Lösung ein hydrophiles Bindemittel enthält.
  5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Empfangsoberfläche eine hydrophile Oberfläche einer lithografischen Unterlage ist.
  6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Empfangsmaterial eine in eine Druckmaschine einbaubare Trommel mit einer hydrophilen Oberfläche ist.
  7. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Empfangsoberfläche eine auf eine Trommel aufgespannte lithografische Platte mit einer hydrophilen Oberfläche ist.
  8. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Empfangsoberfläche eine auf einen biegsamen Träger aufgetragene hydrophile Beschichtung ist.
  9. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der dynamische Kontaktwinkel der Empfangsoberfläche mit Wasser nach einer 2sekündigen Kontaktzeit weniger als 60° beträgt.
EP19990203065 1999-09-15 1999-09-15 Verfahren zur Sprühbeschichtung eines wärmeempfindlichen Aufzeichnungselements Expired - Lifetime EP1084862B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19990203065 EP1084862B1 (de) 1999-09-15 1999-09-15 Verfahren zur Sprühbeschichtung eines wärmeempfindlichen Aufzeichnungselements
DE69912775T DE69912775T2 (de) 1999-09-15 1999-09-15 Verfahren zur Sprühbeschichtung eines wärmeempfindlichen Aufzeichnungselements
JP2000269944A JP2001121835A (ja) 1999-09-15 2000-09-06 感熱要素をスプレーコーティングで得る方法
US09/659,691 US6479216B1 (en) 1999-09-15 2000-09-11 Method for obtaining a heat sensitive element by spray-coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19990203065 EP1084862B1 (de) 1999-09-15 1999-09-15 Verfahren zur Sprühbeschichtung eines wärmeempfindlichen Aufzeichnungselements

Publications (2)

Publication Number Publication Date
EP1084862A1 EP1084862A1 (de) 2001-03-21
EP1084862B1 true EP1084862B1 (de) 2003-11-12

Family

ID=8240656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990203065 Expired - Lifetime EP1084862B1 (de) 1999-09-15 1999-09-15 Verfahren zur Sprühbeschichtung eines wärmeempfindlichen Aufzeichnungselements

Country Status (3)

Country Link
EP (1) EP1084862B1 (de)
JP (1) JP2001121835A (de)
DE (1) DE69912775T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6479216B1 (en) * 1999-09-15 2002-11-12 Agfa-Gevaert Method for obtaining a heat sensitive element by spray-coating
US6485889B1 (en) * 1999-09-15 2002-11-26 Agfa-Gevaert Method for obtaining a heat sensitive element by spray-coating
TW594421B (en) * 2002-01-30 2004-06-21 Toshiba Corp Film forming method/device, image-forming method and semiconductor device manufacturing method
EP1642746A1 (de) * 2004-10-01 2006-04-05 Agfa-Gevaert Verfahren zur Herstellung einer negativarbeitenden lithographischen Druckplatte

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734558A (en) * 1980-08-11 1982-02-24 Fuji Photo Film Co Ltd Photosensitive printing plate
GB8926281D0 (en) * 1989-11-21 1990-01-10 Du Pont Improvements in or relating to radiation sensitive devices
DE4000405A1 (de) * 1990-01-09 1991-07-11 Hoechst Ag Verfahren und vorrichtung zum gleichmaessigen aufbringen eines fluids auf eine bewegte materialbahn
DE69420123T2 (de) * 1994-03-25 2000-04-06 Agfa Gevaert Nv Vorrichtung und Verfahren zur Herstellung einer lithographischen Offset-Druckform, mittels Silbersalzdiffusionsübertragungsverfahrens

Also Published As

Publication number Publication date
DE69912775T2 (de) 2004-08-12
JP2001121835A (ja) 2001-05-08
EP1084862A1 (de) 2001-03-21
DE69912775D1 (de) 2003-12-18

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