FIELD: metallurgy.
SUBSTANCE: product is brought into contact with at least one solution for the patination and in a subsequent processing stage, at least one aqueous polymer dispersion is applied to the produced patina layer. Pigments are added to at least one solution for patination and/or to at least one dispersion. At that, the dispersion penetrates into porous patina, then dries and forms with a patina compound which is diffusion-permeable for water vapour. The remaining amount of dispersion solids, including pigments, is deposited upon drying on the walls of porous patina cavities, without filling them completely, providing preservation of open porosity of patined copper products.
EFFECT: providing a method for patination of articles made of copper or copper alloy, in which a greater choice of colour is possible, without impeding further natural ageing.
10 cl, 1 ex
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR DEPOSITING BROWN-PATINA ON SURFACES OF COPPER BLANKS | 1991 |
|
RU2023750C1 |
METHOD OF PRODUCING ARTISTIC DECORATIVE DESIGN ON METAL ARTICLES | 0 |
|
SU1158388A1 |
PROCEDURE FOR PRODUCTION OF NON-ORGANIC COATING ON SURFACE OF ITEM AND ITEM OF PLATE OR BAND SHAPE | 2005 |
|
RU2389825C2 |
METHOD OF PLATING METAL SHEET, PARTICULARLY ZINC SHEET | 2005 |
|
RU2405064C2 |
WOOD COLORING METHOD | 2005 |
|
RU2278024C1 |
METHOD OF COATING METAL SURFACES OF SUBSTRATES AND OBJECTS COATED IN ACCORDANCE WITH SAID METHOD | 2014 |
|
RU2677206C2 |
COUNTERFEIT-PROTECTED SYMBOL WITH VARIABLE-COLOUR EFFECT | 2005 |
|
RU2377134C2 |
PROTECTIVE LACQUER COMPOSITION FOR COPPER AND COPPER ALLOY AND METHOD FOR PREPARING COATING FROM COMPLEX-PROFILED ARTICLE MADE OF COPPER AND COPPER ALLOY | 2001 |
|
RU2211232C1 |
METHOD OF COATING METAL SURFACES OF SUBSTRATES AND OBJECTS COATED IN ACCORDANCE WITH SAID METHOD | 2014 |
|
RU2673849C2 |
METHOD FOR APPLYING METAL COATINGS MADE OF COPPER AND COPPER ALLOYS TO GLASS PRODUCTS | 2021 |
|
RU2777094C1 |
Authors
Dates
2017-09-11—Published
2013-07-18—Filed