JPS644492A - Manufacture of artificial patina - Google Patents

Manufacture of artificial patina

Info

Publication number
JPS644492A
JPS644492A JP15756787A JP15756787A JPS644492A JP S644492 A JPS644492 A JP S644492A JP 15756787 A JP15756787 A JP 15756787A JP 15756787 A JP15756787 A JP 15756787A JP S644492 A JPS644492 A JP S644492A
Authority
JP
Japan
Prior art keywords
patina
radical
sodium
artificial
film
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.)
Pending
Application number
JP15756787A
Other languages
Japanese (ja)
Inventor
Eiji Nishimura
Hiroshi Tazaki
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.)
Eneos Corp
Original Assignee
Nippon Mining Co Ltd
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 Nippon Mining Co Ltd filed Critical Nippon Mining Co Ltd
Priority to JP15756787A priority Critical patent/JPS644492A/en
Publication of JPS644492A publication Critical patent/JPS644492A/en
Pending 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
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment

Abstract

PURPOSE:To manufacture an artificial patina excellent in film characteristics and adhesive strength, by impregnating the surface of an artificial patina layer formed on the surface of a copper material with a solution containing phosphate radical, silicate radical, aluminate radical, etc., and then heating and drying the above so as to form a protective layer. CONSTITUTION:Patina is chemically or electrochemically generated on the surface of a copper material to apply an artificial patina layer. The surface of this artificial patina layer is impregnated with a solution containing one or more kinds among phosphate radical, silicate radical, and aluminate radical by means of application, spraying, impregnation, etc. It is preferable to use an aqueous solution in which phosphoric acid, sodium hydrogenphosphate, sodium phosphate, sodium silicate, sodium aluminate, etc., are dissolved to about 5-100g/l concentration as the above solution. The patina film after the above impregnation is heated and dried at about 100-400 deg.C so as to be formed into a protective film. By this method, a long-life patina film having superior adhesive strength can be obtained.
JP15756787A 1987-06-26 1987-06-26 Manufacture of artificial patina Pending JPS644492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15756787A JPS644492A (en) 1987-06-26 1987-06-26 Manufacture of artificial patina

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15756787A JPS644492A (en) 1987-06-26 1987-06-26 Manufacture of artificial patina

Publications (1)

Publication Number Publication Date
JPS644492A true JPS644492A (en) 1989-01-09

Family

ID=15652507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15756787A Pending JPS644492A (en) 1987-06-26 1987-06-26 Manufacture of artificial patina

Country Status (1)

Country Link
JP (1) JPS644492A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879745A (en) * 1995-10-20 1999-03-09 Km Europa Metal Ag Method for stabilizing a patina layer
KR20080022254A (en) * 2006-09-06 2008-03-11 주식회사 이넥트론 Metal film-coated ceramic composite and fabrication method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879745A (en) * 1995-10-20 1999-03-09 Km Europa Metal Ag Method for stabilizing a patina layer
KR20080022254A (en) * 2006-09-06 2008-03-11 주식회사 이넥트론 Metal film-coated ceramic composite and fabrication method thereof

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