EP1274567A1 - Systeme de placage pour revetements decoratifs - Google Patents

Systeme de placage pour revetements decoratifs

Info

Publication number
EP1274567A1
EP1274567A1 EP01903000A EP01903000A EP1274567A1 EP 1274567 A1 EP1274567 A1 EP 1274567A1 EP 01903000 A EP01903000 A EP 01903000A EP 01903000 A EP01903000 A EP 01903000A EP 1274567 A1 EP1274567 A1 EP 1274567A1
Authority
EP
European Patent Office
Prior art keywords
layer
coat
nickel
accordance
bright
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.)
Withdrawn
Application number
EP01903000A
Other languages
German (de)
English (en)
Other versions
EP1274567A4 (fr
Inventor
Elmar Tolls
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.)
MacDermid Enthone Inc
Original Assignee
Enthone OMI Inc
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 Enthone OMI Inc filed Critical Enthone OMI Inc
Publication of EP1274567A1 publication Critical patent/EP1274567A1/fr
Publication of EP1274567A4 publication Critical patent/EP1274567A4/fr
Withdrawn legal-status Critical Current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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/028—Including graded layers in composition or in physical properties, e.g. density, porosity, grain size
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/325—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with layers graded in composition or in physical properties
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/341—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one carbide layer
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
    • C23C28/3455—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer with a refractory ceramic layer, e.g. refractory metal oxide, ZrO2, rare earth oxides or a thermal barrier system comprising at least one refractory oxide layer

Definitions

  • the invention refers to a coating system for the decorative layering of work pieces, which can be galvanized.
  • Coating systems of this type are known from the current state of the art, and they are applied especially in the automotive and the furniture manufacturing industry, as well as in the sanitary equipment area.
  • the possible variety of galvano-decorative coatings is in an upward trend, involving the coating of not only basic materials consisting of iron or zinc but also a variety of basic materials such as plastics, for example.
  • the typically possible metallic matte and bright effects are generally covered with a chromium layer, which usually has a blue-silver appearance and therefore fills numerous decorative requirements.
  • coating systems are preferred which contain copper, nickel and chrome or nickel and chrome.
  • the metals forming the protective coat are more noble than the base material, such a system provides corrosion protection since corrosion only occurs if the protective coat has irregularities such as pores or grooves, for example, which extend to the base material. This limited corrosion resistance of the currently known coating systems, however, increasingly no longer can meet the stringent requirements of the automotive industry.
  • the use of a decorative coating has the aim to create an improved over-all appearance.
  • the blue-silver appearing chrome cover coat can be replaced by tin, silver, gold, palladium or rhodium, for example.
  • the disadvantage is that with this type of substitute cover coats neither good corrosion protection nor a high degree of wear resistance can be achieved.
  • a mechanically resistant material coat by means of a vacuum coating process, using mechanically resistant material particles such as titanium or zirconium compounds, for example, and thus creating a cover coat with a higher degree of wear resistance.
  • this problem is s o l v e d by a coating system for decorative coating of work pieces which can be galvanized and which have a bright coat and a discontinuous chrome coat as a base coat, as well as a cover coat of mechanically resistant material which is deposited using the PVD process.
  • the process which is the subject of the invention, proposes first a coating system, which both meets strict requirements for corrosion resistance and also shows a high degree of wear resistance. This is achieved by the galvanic deposition of a discontinuous chrome coat as the base coat to achieve a high degree of corrosion resistance on the one hand and by the formation of a cover coast of mechanically resistant material to achieve a high degree of wear resistance on the other hand.
  • Research by the CNSS test for example, has shown that the corrosion protection achievable with the coating system, which is the subject of the invention fully, meets the requirements of the automotive industry.
  • the coating system which is the subject of the invention also, demonstrates a high degree of wear and abrasion resistance.
  • cover coat In order to achieve an optically attractive over-all appearance, depending on the desired coloration, different mechanically resistant materials can be used to form the cover coat.
  • TiC produces an anthracite colored cover coat
  • ZrN can achieve gold tones in accordance with the gold standard.
  • Various colorations, such as pink or bluish coatings, for example, are possible as surface effects.
  • a galvano- decorative coating is made available which corresponds to today's requirements regarding corrosion and wear resistance and which, at the same time, offers many opportunities for decorative coloration.
  • the discontinuous chrome coat is a layer with micro-cracks or micro-pores.
  • a micro porous chrome coat it is necessary to first form a nickel dispersion layer on the surface of the work piece and to subsequently cover it with a chrome layer.
  • the formation of a micro-porous chrome coat is the result of the nickel dispersion layer.
  • a direct micro-porous chrome deposition has not been possible to date.
  • micro-cracked chrome coats can be produced directly on any nickel coat in a one-step process or with the double chrome plating process.
  • Micro-crack chrome plating can also be produced by the deposition of cracked nickel coats.
  • both the micro-cracked and the micro-porous chrome coat offer excellent corrosion protection which meets strict requirements and which represents an improvement over conventional coating systems.
  • the bright coat is a bright nickel or a pearl bright nickel coat which advantageously shows bright or matte surface effects which can be attuned to the over-all optical appearance.
  • a pearl bright nickel coat non-glaring nickel plating can be achieved which, in contrast to bright nickel plating, forms a surface with a silky, matte appearance.
  • the base coat shows a further nickel layer between the bright coat and the discontinuous chrome layer.
  • This nickel layer is a nickel dispersion coat and serves for the formation of a micro-porous chrome coat.
  • the nickel dispersion coat forms a surface with embedded, non-conducting particles which has the result that when applying a chrome coat, pores are formed at the location of the embedded particles, whereby a micro-porous chrome coat is formed.
  • a chrome coat of this type has the advantage of high corrosion resistance.
  • the base coat has a nickel layer below the bright coat in the direction of thickness, whereby it is advantageous for this to be a coat of sulfur-free, columnar nickel. In this manner a multiple nickel coating system is formed in connection with the bright nickel or the pearl bright nickel coat and the nickel dispersion coat which shows a particularly high resistance to corrosion.
  • the base coat shows a copper layer at the bottom, in the direction of thickness.
  • elements of the IV complex are preferred to be used as mechanically resistant materials, especially titanium, zirconium and hafnium, combinations thereof and/or their nitrides, oxides or carbides.
  • mechanically resistant materials of this type has the advantage that it provides the possibility to form a cover coat, which has a high abrasion resistance and thus a high wear resistance.
  • the coloration of the layered system can be selected and adjusted by the choice of the mechanically resistant materials.
  • the deposition of the cover coat is by gas phase precipitation, whereby it can be differentiated between CVD (chemical vapor deposition) and PVD (physical vapor deposition) processes.
  • the important characteristic of the PVD process here is that a metallic cathode is vaporized as the target and that this metal vapor, in turn, precipitates on the work piece surface under the controlled addition of reaction gases, for example as a nitride or carbide.
  • a coating technology is proposed by the layering system described in the invention which makes possible a great variety of decorative coatings with respect to brightness or matte effects as well as with respect to coloration, and which simultaneously meets the strictest requirements for corrosion and abrasion resistance.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Laminated Bodies (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

L'invention concerne un système de couches destiné au revêtement décoratif de pièces galvanisables. Afin d'obtenir un système de couches qui obéit à des exigences strictes en matière de résistance à la corrosion et qui, en même temps, présente une résistance élevée à l'abrasion et confère un degré élevé de liberté par rapport à la coloration décorative, l'invention propose un système de couches formé par galvanoplastie et comprend une couche de fond constituée d'au moins une couche claire et d'une couche de chrome discontinue ainsi qu'une couche de couverture de matériaux à résistance mécanique déposées au moyen d'un procédé de dépôt physique en phase gazeuse.
EP01903000A 2000-02-02 2001-01-26 Systeme de placage pour revetements decoratifs Withdrawn EP1274567A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10004555 2000-02-02
DE10004555A DE10004555A1 (de) 2000-02-02 2000-02-02 Schichtsystem für die dekorative Beschichtung
PCT/US2001/000654 WO2001056781A1 (fr) 2000-02-02 2001-01-26 Systeme de placage pour revetements decoratifs

Publications (2)

Publication Number Publication Date
EP1274567A1 true EP1274567A1 (fr) 2003-01-15
EP1274567A4 EP1274567A4 (fr) 2006-04-12

Family

ID=7629586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01903000A Withdrawn EP1274567A4 (fr) 2000-02-02 2001-01-26 Systeme de placage pour revetements decoratifs

Country Status (4)

Country Link
EP (1) EP1274567A4 (fr)
AU (1) AU2001230876A1 (fr)
DE (1) DE10004555A1 (fr)
WO (1) WO2001056781A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004006127A1 (de) * 2004-02-07 2005-08-25 Dr.Ing.H.C. F. Porsche Ag Verfahren zur Herstellung von korrosionsbeständigen und dekorativen Beschichtungen und Schichtsystemen für Substrate aus Metallen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1426325A (en) * 1921-07-11 1922-08-15 Stanis Joseph Air compressor
US4007099A (en) * 1975-10-08 1977-02-08 The Harshaw Chemical Company Cathodic production of micropores in chromium
US4093522A (en) * 1975-01-10 1978-06-06 Horst Dillenberg Electrolytic chromic acid bath for chrome plating
EP0875596A1 (fr) * 1997-04-30 1998-11-04 Masco Corporation Article pourvu d'un revêtement de protection et de decoration
EP0875600A1 (fr) * 1997-04-30 1998-11-04 Masco Corporation Article revêtu
EP0890659A2 (fr) * 1997-07-09 1999-01-13 Masco Corporation Of Indiana Procédé de revêtement d'une couche de protection et de décor sur un article

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511631A (en) * 1984-04-13 1985-04-16 Toyo Kohan Co., Ltd. Metallic chromium-nickel-hydrated chromium oxide-coated tin free steel and process for the production thereof
JPH01309997A (ja) * 1988-06-09 1989-12-14 Kanto Kasei Kogyo Kk 耐食性に優れた銅−ニッケル−クロム光沢電気めっき方法およびそれにより得られためっき皮膜
US5626972A (en) * 1994-06-02 1997-05-06 Baldwin Hardware Corporation Article having a decorative and protective multilayer coating simulating brass

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1426325A (en) * 1921-07-11 1922-08-15 Stanis Joseph Air compressor
US4093522A (en) * 1975-01-10 1978-06-06 Horst Dillenberg Electrolytic chromic acid bath for chrome plating
US4007099A (en) * 1975-10-08 1977-02-08 The Harshaw Chemical Company Cathodic production of micropores in chromium
EP0875596A1 (fr) * 1997-04-30 1998-11-04 Masco Corporation Article pourvu d'un revêtement de protection et de decoration
EP0875600A1 (fr) * 1997-04-30 1998-11-04 Masco Corporation Article revêtu
EP0890659A2 (fr) * 1997-07-09 1999-01-13 Masco Corporation Of Indiana Procédé de revêtement d'une couche de protection et de décor sur un article

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0156781A1 *

Also Published As

Publication number Publication date
WO2001056781A1 (fr) 2001-08-09
DE10004555A1 (de) 2001-08-09
AU2001230876A1 (en) 2001-08-14
EP1274567A4 (fr) 2006-04-12

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