DE615815C - Process for the production of protective coatings on zinc and galvanized objects - Google Patents

Process for the production of protective coatings on zinc and galvanized objects

Info

Publication number
DE615815C
DE615815C DET44223D DET0044223D DE615815C DE 615815 C DE615815 C DE 615815C DE T44223 D DET44223 D DE T44223D DE T0044223 D DET0044223 D DE T0044223D DE 615815 C DE615815 C DE 615815C
Authority
DE
Germany
Prior art keywords
zinc
production
protective coatings
objects
galvanized objects
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
DET44223D
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DET44223D priority Critical patent/DE615815C/en
Application granted granted Critical
Publication of DE615815C publication Critical patent/DE615815C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Description

Verfahren zur Herstellung von Schutzüberzügen auf Zink und verzinkten Gegenständen Zusatz zum Patent 613 024 Das Patent 6i3 o24 betrifft ein Verfahren zur Herstellung von Schutzüberzügen auf Zink und verzinkten Gegenständen, das darin besteht, daß die Gegenstände in ein. Bad aus Schwermetallsulfat eingetaucht werden, dem Ammonmolybdat zugesetzt ist, wobei der Gehalt an Schwermetallsulfat größer ist als derjenige von Ammonmolybdat.A process for producing protective coatings on zinc and zinc-plated objects addition to Patent 613024 The patent 6i3 o24 relates to a method for producing protective coatings on zinc and zinc-plated articles, which consists in that the objects in a. Bath of heavy metal sulfate are immersed, to which ammonium molybdate is added, the content of heavy metal sulfate being greater than that of ammonium molybdate.

Es wurde nun gefunden, daß man an Stelle von Schwermetallsulfaten auchandere Schwermetallsalze und ebenso an Stelle von Ammonmolybdat andere Molybdate verwenden kann. Die mit solchen Lösungen hergestellten Überzüge sind ebenfalls ganz klar, besitzen eine große Wetter- und Säurebeständigkeit und lassen sich nicht verwischen.It has now been found that instead of heavy metal sulfates also other heavy metal salts and also other molybdates instead of ammonium molybdate can use. The coatings made with such solutions are also whole clear, have great weather and acid resistance and cannot be smudged.

Claims (1)

PATENTANSPRUCII Verfahren zur Herstellung von Schutzüberzügen auf Zink und verzinkten Gegenständen nach Patent 613 02 4, dadurch gekennzeichnet, daß die Gegenstände in ein Baal aus Schwermetallsalz eingetaucht werden, dem ein Molybdat zugesetzt ist, wobei der Gehalt an Schwermetallsalz größer ist als derjenige von Molybdat.PATENT CLAIMS Process for the production of protective coatings Zinc and galvanized objects according to patent 613 02 4, characterized in that the objects are immersed in a Baal made of heavy metal salt, which is a molybdate is added, the content of heavy metal salt being greater than that of Molybdate.
DET44223D 1933-03-30 1933-03-30 Process for the production of protective coatings on zinc and galvanized objects Expired DE615815C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DET44223D DE615815C (en) 1933-03-30 1933-03-30 Process for the production of protective coatings on zinc and galvanized objects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET44223D DE615815C (en) 1933-03-30 1933-03-30 Process for the production of protective coatings on zinc and galvanized objects

Publications (1)

Publication Number Publication Date
DE615815C true DE615815C (en) 1935-07-12

Family

ID=7561699

Family Applications (1)

Application Number Title Priority Date Filing Date
DET44223D Expired DE615815C (en) 1933-03-30 1933-03-30 Process for the production of protective coatings on zinc and galvanized objects

Country Status (1)

Country Link
DE (1) DE615815C (en)

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