DE3560490D1 - 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

Info

Publication number
DE3560490D1
DE3560490D1 DE8585104604T DE3560490T DE3560490D1 DE 3560490 D1 DE3560490 D1 DE 3560490D1 DE 8585104604 T DE8585104604 T DE 8585104604T DE 3560490 T DE3560490 T DE 3560490T DE 3560490 D1 DE3560490 D1 DE 3560490D1
Authority
DE
Germany
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.)
Expired
Application number
DE8585104604T
Other languages
English (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
Priority to DE8585104604T priority Critical patent/DE3560490D1/de
Application granted granted Critical
Publication of DE3560490D1 publication Critical patent/DE3560490D1/de
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)
DE8585104604T 1984-04-25 1985-04-16 Process for the electrochemical roughening of aluminium printing plate supports in an aqueous mixed electrolyte Expired DE3560490D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8585104604T DE3560490D1 (en) 1984-04-25 1985-04-16 Process for the electrochemical roughening of aluminium printing plate supports in an aqueous mixed electrolyte

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843415363 DE3415363A1 (de) 1984-04-25 1984-04-25 Verfahren zur elektrochemischen aufrauhung von aluminium fuer druckplattentraeger in einem waessrigen mischelektrolyten
DE8585104604T DE3560490D1 (en) 1984-04-25 1985-04-16 Process for the electrochemical roughening of aluminium printing plate supports in an aqueous mixed electrolyte

Publications (1)

Publication Number Publication Date
DE3560490D1 true DE3560490D1 (en) 1987-09-24

Family

ID=6234320

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19843415363 Withdrawn DE3415363A1 (de) 1984-04-25 1984-04-25 Verfahren zur elektrochemischen aufrauhung von aluminium fuer druckplattentraeger in einem waessrigen mischelektrolyten
DE8585104604T Expired DE3560490D1 (en) 1984-04-25 1985-04-16 Process for the electrochemical roughening of aluminium printing plate supports in an aqueous mixed electrolyte

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19843415363 Withdrawn DE3415363A1 (de) 1984-04-25 1984-04-25 Verfahren zur elektrochemischen aufrauhung von aluminium fuer druckplattentraeger in einem waessrigen mischelektrolyten

Country Status (4)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE48661T1 (de) * 1986-06-20 1989-12-15 Poligrat Gmbh Elektrolyt zum elektrochemischen polieren von metalloberflaechen.
JPH01318079A (ja) * 1988-06-17 1989-12-22 Lion Corp エッチング剤
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 (de) * 1971-04-17 1976-03-04
GB1392191A (en) * 1971-07-09 1975-04-30 Alcan Res & Dev Process for electrograining aluminium
JPS4829466A (de) * 1971-08-20 1973-04-19
DE2250275A1 (de) * 1972-10-13 1974-04-25 Oce Van Der Grinten Nv Verfahren zur elektrochemischen behandlung von aluminium zur herstellung lithographischer druckplatten
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
EP0048909B2 (de) * 1980-09-26 1988-06-29 Hoechst Celanese Corporation Verfahren zur anodischen Oxidation von Aluminium und dessen Verwendung als Druckplatten-Trägermaterial
US4414311A (en) * 1982-03-18 1983-11-08 American Hoechst Corporation Cathodic deposition of light sensitive components

Also Published As

Publication number Publication date
EP0162282B1 (de) 1987-08-19
DE3415363A1 (de) 1985-10-31
JPS60234897A (ja) 1985-11-21
EP0162282A3 (en) 1985-12-27
US4626328A (en) 1986-12-02
EP0162282A2 (de) 1985-11-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee