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GB787650A - Improvements in or relating to colouring metal surfaces - Google Patents

Improvements in or relating to colouring metal surfaces

Info

Publication number
GB787650A
GB787650A GB43255A GB43255A GB787650A GB 787650 A GB787650 A GB 787650A GB 43255 A GB43255 A GB 43255A GB 43255 A GB43255 A GB 43255A GB 787650 A GB787650 A GB 787650A
Authority
GB
United Kingdom
Prior art keywords
sulphide
solution
plunging
dipping
drying
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
GB43255A
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.)
JOHN COLIN PLANT
Original Assignee
JOHN COLIN PLANT
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 JOHN COLIN PLANT filed Critical JOHN COLIN PLANT
Priority to GB43255A priority Critical patent/GB787650A/en
Publication of GB787650A publication Critical patent/GB787650A/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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 8
    • C23C22/63—Treatment of copper or alloys based thereon

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)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

Colours are produced on metal surfaces succeptible to the action of sulphide ions by dipping in a solution containing free sulphide ions, withdrawing before the sulphide film which forms is thick enough to give a uniform colour effect, immediately arresting further action of the sulphide solution (e.g. by plunging into a large volume of cold water), and drying the washed surface. The film may be protected by applying a coating of transparent lacquer. Specifically disclosed is the colouring of leaves plated with copper or silver by dipping in a solution of liver of sulphur, plunging into cold water, and drying in a current of warm air. Iron surfaces may also be treated; ammonium hydrosulphide solutions are alternative sulphide solutions that may be used.
GB43255A 1955-01-06 1955-01-06 Improvements in or relating to colouring metal surfaces Expired GB787650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB43255A GB787650A (en) 1955-01-06 1955-01-06 Improvements in or relating to colouring metal surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB43255A GB787650A (en) 1955-01-06 1955-01-06 Improvements in or relating to colouring metal surfaces

Publications (1)

Publication Number Publication Date
GB787650A true GB787650A (en) 1957-12-11

Family

ID=9704247

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43255A Expired GB787650A (en) 1955-01-06 1955-01-06 Improvements in or relating to colouring metal surfaces

Country Status (1)

Country Link
GB (1) GB787650A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284249A (en) * 1963-06-28 1966-11-08 Anaconda American Brass Co Decorative finish for copper
DE2834184A1 (en) * 1978-08-04 1980-02-21 Hpw Herzberger Plattenwerke Pigmenting copper foil on laminated board - by partial and complete application of hepar sulphuris soln.
GR980100397A (en) * 1998-10-30 2000-06-30 Processing of a copper surface for developing a black copper patina
GR980100398A (en) * 1998-10-30 2000-06-30 Development of a selective surface (selective black copper patina) in a copper band for use as a solar collector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284249A (en) * 1963-06-28 1966-11-08 Anaconda American Brass Co Decorative finish for copper
DE2834184A1 (en) * 1978-08-04 1980-02-21 Hpw Herzberger Plattenwerke Pigmenting copper foil on laminated board - by partial and complete application of hepar sulphuris soln.
GR980100397A (en) * 1998-10-30 2000-06-30 Processing of a copper surface for developing a black copper patina
GR980100398A (en) * 1998-10-30 2000-06-30 Development of a selective surface (selective black copper patina) in a copper band for use as a solar collector

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