RO85494A - METHOD FOR STOPPING THE VOLATILIZATION OF CHROME (VI) OXIDE FROM ELECTROLYTIC CHROMING BATHS - Google Patents

METHOD FOR STOPPING THE VOLATILIZATION OF CHROME (VI) OXIDE FROM ELECTROLYTIC CHROMING BATHS

Info

Publication number
RO85494A
RO85494A RO82108457A RO10845782A RO85494A RO 85494 A RO85494 A RO 85494A RO 82108457 A RO82108457 A RO 82108457A RO 10845782 A RO10845782 A RO 10845782A RO 85494 A RO85494 A RO 85494A
Authority
RO
Romania
Prior art keywords
baths
volatilization
chrome
stopping
oxide
Prior art date
Application number
RO82108457A
Other languages
French (fr)
Romanian (ro)
Other versions
RO85494B (en
Inventor
Petr Buryan
Jiri Nitera
Milan Bares
Petre Treml
Original Assignee
Vysoka Skola Chemickotechnologicka,Cs
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 Vysoka Skola Chemickotechnologicka,Cs filed Critical Vysoka Skola Chemickotechnologicka,Cs
Publication of RO85494A publication Critical patent/RO85494A/en
Publication of RO85494B publication Critical patent/RO85494B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/11—Use of protective surface layers on electrolytic baths
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2618—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing nitrogen
    • C08G65/2621—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing nitrogen containing amine groups
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/10—Electroplating: Baths therefor from solutions of chromium characterised by the organic bath constituents used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
RO108457A 1981-08-18 1982-08-16 Process for preventing chrome oxide (vi) volatilisation in chromium plating electrolytic baths RO85494B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS618581A CS224406B1 (en) 1981-08-18 1981-08-18 Method for fly preventing of chromium trioxide from a chromizing bath

Publications (2)

Publication Number Publication Date
RO85494A true RO85494A (en) 1984-11-25
RO85494B RO85494B (en) 1984-11-30

Family

ID=5408299

Family Applications (1)

Application Number Title Priority Date Filing Date
RO108457A RO85494B (en) 1981-08-18 1982-08-16 Process for preventing chrome oxide (vi) volatilisation in chromium plating electrolytic baths

Country Status (6)

Country Link
BG (1) BG37321A1 (en)
CS (1) CS224406B1 (en)
DD (1) DD211040A3 (en)
DE (1) DE3224240A1 (en)
HU (1) HU194949B (en)
RO (1) RO85494B (en)

Also Published As

Publication number Publication date
CS224406B1 (en) 1984-01-16
HU194949B (en) 1988-03-28
BG37321A1 (en) 1985-05-15
DE3224240A1 (en) 1983-04-28
DD211040A3 (en) 1984-06-27
RO85494B (en) 1984-11-30

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