EP0162282A3 - Process for the electrochemical roughening of aluminium printing plate supports in an aqueous mixed electrolyte - Google Patents

Process for the electrochemical roughening of aluminium printing plate supports in an aqueous mixed electrolyte Download PDF

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Publication number
EP0162282A3
EP0162282A3 EP85104604A EP85104604A EP0162282A3 EP 0162282 A3 EP0162282 A3 EP 0162282A3 EP 85104604 A EP85104604 A EP 85104604A EP 85104604 A EP85104604 A EP 85104604A EP 0162282 A3 EP0162282 A3 EP 0162282A3
Authority
EP
European Patent Office
Prior art keywords
printing plate
plate supports
aqueous mixed
electrochemical roughening
mixed electrolyte
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
EP85104604A
Other languages
German (de)
Other versions
EP0162282A2 (en
EP0162282B1 (en
Inventor
Dieter Dr. Dipl.-Chem. Mohr
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Publication of EP0162282A2 publication Critical patent/EP0162282A2/en
Publication of EP0162282A3 publication Critical patent/EP0162282A3/en
Application granted granted Critical
Publication of EP0162282B1 publication Critical patent/EP0162282B1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/04—Etching of light metals
    • 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
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/03—Chemical or electrical pretreatment
    • B41N3/034—Chemical or electrical pretreatment characterised by the electrochemical treatment of the aluminum support, e.g. anodisation, electro-graining; Sealing of the anodised layer; Treatment of the anodic layer with inorganic compounds; Colouring of the anodic layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Printing Plates And Materials Therefor (AREA)
EP85104604A 1984-04-25 1985-04-16 Process for the electrochemical roughening of aluminium printing plate supports in an aqueous mixed electrolyte Expired EP0162282B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843415363 DE3415363A1 (en) 1984-04-25 1984-04-25 METHOD FOR ELECTROCHEMICALLY Roughening ALUMINUM FOR PRINTING PLATE CARRIERS IN AN AQUEOUS MIXED ELECTROLYTE
DE3415363 1984-04-25

Publications (3)

Publication Number Publication Date
EP0162282A2 EP0162282A2 (en) 1985-11-27
EP0162282A3 true EP0162282A3 (en) 1985-12-27
EP0162282B1 EP0162282B1 (en) 1987-08-19

Family

ID=6234320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85104604A Expired EP0162282B1 (en) 1984-04-25 1985-04-16 Process for the electrochemical roughening of aluminium printing plate supports in an aqueous mixed electrolyte

Country Status (4)

Country Link
US (1) US4626328A (en)
EP (1) EP0162282B1 (en)
JP (1) JPS60234897A (en)
DE (2) DE3415363A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE48661T1 (en) * 1986-06-20 1989-12-15 Poligrat Gmbh ELECTROLYTE FOR ELECTROCHEMICAL POLISHING OF METAL SURFACES.
JPH01318079A (en) * 1988-06-17 1989-12-22 Lion Corp Etchant
US5736256A (en) * 1995-05-31 1998-04-07 Howard A. Fromson Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes relating thereto

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517081B1 (en) * 1971-04-17 1976-03-04
GB1392191A (en) * 1971-07-09 1975-04-30 Alcan Res & Dev Process for electrograining aluminium
JPS4829466A (en) * 1971-08-20 1973-04-19
DE2250275A1 (en) * 1972-10-13 1974-04-25 Oce Van Der Grinten Nv METHOD FOR ELECTROCHEMICAL TREATMENT OF ALUMINUM FOR THE PRODUCTION OF LITHOGRAPHIC PRINTING PLATES
US4052275A (en) * 1976-12-02 1977-10-04 Polychrome Corporation Process for electrolytic graining of aluminum sheet
GB1598701A (en) * 1977-04-16 1981-09-23 Vickers Ltd Electrolytic graining of aluminium or aluminium alloy surfaces
JPS56135095A (en) * 1980-03-26 1981-10-22 Mitsubishi Chem Ind Ltd Manufacture of supporter for planographic process block
JPS5724294A (en) * 1980-07-18 1982-02-08 Mitsubishi Chem Ind Ltd Production of support for planographic printing plate
EP0050216B1 (en) * 1980-09-26 1985-01-09 American Hoechst Corporation Process for the anodic oxidation of aluminium and its use as a bearer of printing plates
US4414311A (en) * 1982-03-18 1983-11-08 American Hoechst Corporation Cathodic deposition of light sensitive components

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, Band 80, Nr. 14, 08. April 1974, Seite 186, Nr. 73548w, Columbus, Ohio, US; & JP - A - 73 29 466 (SHOWA DENKO K.K.) 10.09.1973 *

Also Published As

Publication number Publication date
DE3415363A1 (en) 1985-10-31
EP0162282A2 (en) 1985-11-27
DE3560490D1 (en) 1987-09-24
EP0162282B1 (en) 1987-08-19
JPS60234897A (en) 1985-11-21
US4626328A (en) 1986-12-02

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