CA2194129A1 - Method of rendering an electrocoagulation printed image water-fast - Google Patents

Method of rendering an electrocoagulation printed image water-fast

Info

Publication number
CA2194129A1
CA2194129A1 CA 2194129 CA2194129A CA2194129A1 CA 2194129 A1 CA2194129 A1 CA 2194129A1 CA 2194129 CA2194129 CA 2194129 CA 2194129 A CA2194129 A CA 2194129A CA 2194129 A1 CA2194129 A1 CA 2194129A1
Authority
CA
Canada
Prior art keywords
colored
colloid
substrate
dots
coagulated colloid
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
CA 2194129
Other languages
French (fr)
Other versions
CA2194129C (en
Inventor
Adrien Castegnier
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.)
Elcorsy Technology Inc
Original Assignee
Elcorsy Technology 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
Application filed by Elcorsy Technology Inc filed Critical Elcorsy Technology Inc
Priority to CA 2194129 priority Critical patent/CA2194129C/en
Priority to DE69715169T priority patent/DE69715169T2/en
Priority to JP10529873A priority patent/JP2000507177A/en
Priority to EP97950434A priority patent/EP0888222B1/en
Priority to PCT/JP1997/004902 priority patent/WO1998029256A1/en
Publication of CA2194129A1 publication Critical patent/CA2194129A1/en
Application granted granted Critical
Publication of CA2194129C publication Critical patent/CA2194129C/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
    • B41C1/105—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by electrocoagulation, by electro-adhesion or by electro-releasing of material, e.g. a liquid from a gel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock

Abstract

An improved electrocoagulation printing method comprising the steps of (a) providing a positive electrolytically inert electrode having a continuous passivated surface moving at substantially constant speed along a predetermined path, the passivated surface defining a positive electrode active surface; (b) forming on the positive electrode active surface a plurality of dots of colored, coagulated colloid representative of a desired image, by electrocoagulation of an electrolytically coagulable colloid present in an electrocoagulation printing ink comprising a liquid colloidal dispersion containing said electrolytically coagulable colloid, a dispersing medium, a soluble electrolyte and a coloring agent; and (c) bringing a substrate into contact with the dots of colored, coagulated colloid to cause transfer of the colored, coagulated colloid from the positive electrode active surface onto the substrate and thereby imprint the substrate with the image. The improvement resides in treating the dots of colored, coagulated colloid transferred onto the substrate in step (c) with a crosslinking agent so as to substantially completely crosslink the colored, coagulated colloid and thereby render the printed image water-fast.
CA 2194129 1996-12-30 1996-12-30 Method of rendering an electrocoagulation printed image water-fast Expired - Fee Related CA2194129C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA 2194129 CA2194129C (en) 1996-12-30 1996-12-30 Method of rendering an electrocoagulation printed image water-fast
DE69715169T DE69715169T2 (en) 1996-12-30 1997-12-26 METHOD AND APPARATUS FOR WATERPROOFING ELECTROCOAGULATED IMAGES
JP10529873A JP2000507177A (en) 1996-12-30 1997-12-26 Method and apparatus for imparting water resistance to electrocoagulated printed images
EP97950434A EP0888222B1 (en) 1996-12-30 1997-12-26 Method and apparatus for rendering an electrocoagulation image water-fast
PCT/JP1997/004902 WO1998029256A1 (en) 1996-12-30 1997-12-26 Method and apparatus for rendering an electrocoagulation image water-fast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2194129 CA2194129C (en) 1996-12-30 1996-12-30 Method of rendering an electrocoagulation printed image water-fast

Publications (2)

Publication Number Publication Date
CA2194129A1 true CA2194129A1 (en) 1998-06-30
CA2194129C CA2194129C (en) 2001-02-27

Family

ID=4159565

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2194129 Expired - Fee Related CA2194129C (en) 1996-12-30 1996-12-30 Method of rendering an electrocoagulation printed image water-fast

Country Status (5)

Country Link
EP (1) EP0888222B1 (en)
JP (1) JP2000507177A (en)
CA (1) CA2194129C (en)
DE (1) DE69715169T2 (en)
WO (1) WO1998029256A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE540786A (en) *
JPS5769054A (en) * 1980-10-17 1982-04-27 Fuji Photo Film Co Ltd Water proofing method of ink jet recording
US4555320A (en) * 1984-05-25 1985-11-26 Elcorsy Inc. Image reproduction by in plane electro-coagulation of a colloid
US4704309A (en) * 1985-06-07 1987-11-03 Eastman Kodak Company Printing processes employing water dispersible inks
CA1279603C (en) * 1986-02-20 1991-01-29 Adrien Castegnier Monochromic and polychromic printing of an image reproduced by electro-coagulation of a colloid
CA2138190C (en) * 1994-12-15 1998-10-13 Adrien Castegnier Stabilized electrocoagulation printing ink
US5538601A (en) * 1995-09-14 1996-07-23 Elcorsy Inc. Electrocoagulation printing and apparatus
CA2191380C (en) * 1995-11-29 1999-09-28 Yutaka Hattori Record sheet used in electro-coagulation printing method

Also Published As

Publication number Publication date
DE69715169D1 (en) 2002-10-10
DE69715169T2 (en) 2003-10-23
WO1998029256A1 (en) 1998-07-09
CA2194129C (en) 2001-02-27
JP2000507177A (en) 2000-06-13
EP0888222A1 (en) 1999-01-07
EP0888222B1 (en) 2002-09-04

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