WO2018134436A1 - Procédé pour la fabrication de pièces en matière synthétique stables à la corrosion et éventuellement revêtues d'une couleur métallique et décoratives - Google Patents

Procédé pour la fabrication de pièces en matière synthétique stables à la corrosion et éventuellement revêtues d'une couleur métallique et décoratives Download PDF

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Publication number
WO2018134436A1
WO2018134436A1 PCT/EP2018/051567 EP2018051567W WO2018134436A1 WO 2018134436 A1 WO2018134436 A1 WO 2018134436A1 EP 2018051567 W EP2018051567 W EP 2018051567W WO 2018134436 A1 WO2018134436 A1 WO 2018134436A1
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WIPO (PCT)
Prior art keywords
deposited
aluminum
layer
components
plastic
Prior art date
Application number
PCT/EP2018/051567
Other languages
German (de)
English (en)
Inventor
Dirk Kieslich
Original Assignee
Gerhardi Kunststofftechnik Gmbh
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 Gerhardi Kunststofftechnik Gmbh filed Critical Gerhardi Kunststofftechnik Gmbh
Priority to US16/478,963 priority Critical patent/US20190345611A1/en
Priority to CN201880008020.XA priority patent/CN110382746A/zh
Priority to EP18703234.7A priority patent/EP3571335A1/fr
Publication of WO2018134436A1 publication Critical patent/WO2018134436A1/fr

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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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
    • C23C18/2013—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by mechanical pretreatment, e.g. grinding, sanding
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
    • C23C18/2046—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
    • C23C18/2073—Multistep pretreatment
    • C23C18/208—Multistep pretreatment with use of metal first
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/22—Roughening, e.g. by etching
    • C23C18/24—Roughening, e.g. by etching using acid aqueous solutions
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28—Sensitising or activating
    • C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/38—Coating with copper
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/20—Electrolytic after-treatment
    • C25D11/22—Electrolytic after-treatment for colouring layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/24—Chemical after-treatment
    • C25D11/243—Chemical after-treatment using organic dyestuffs
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/24—Chemical after-treatment
    • C25D11/246—Chemical after-treatment for sealing layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/42—Electroplating: Baths therefor from solutions of light metals
    • C25D3/44—Aluminium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/66—Electroplating: Baths therefor from melts
    • C25D3/665—Electroplating: Baths therefor from melts from ionic liquids
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/54—Electroplating of non-metallic surfaces
    • C25D5/56—Electroplating of non-metallic surfaces of plastics

Definitions

  • the invention relates to a method for producing corrosion-resistant and optionally color-coated metallic decorative plastic components, wherein the components to be coated are first produced by plastic injection molding of a galvanisable plastic and then subjected to a chemical pretreatment, in which a first conductive metal layer is deposited and then an aluminum is deposited galvanically.
  • plastic components are used for visual enhancement.
  • Conventional surface technologies of such surface-decorated components are the manufacture of plastic surfaces by injection molding, painting of the plastic surfaces, scarring and etching of the tool surfaces to be imaged and molding them by plastic injection molding, galvanizing the plastic surface, decorating in the injection mold by IMD (In Mold Decoration), wherein an imprinted on a carrier film printing in the injection molding of a
  • Carrier film is molded, the injection molding of printed and partially deformed and contour-punched film inserts by the FIM technology, the film insert molding, and the metal foil back-injection.
  • a coating method with which it is possible to achieve optically metallic surfaces is, for example, the vapor deposition, to which the PVD method (Physical Vapor Deposition) and their modified technologies such as CVD (Chemical Vapor Deposition) and PeCVD (plasma vapor deposition). Enhanced Chemical Vapor Desposition) and others belong.
  • PVD Physical Vapor Deposition
  • CVD Chemical Vapor Deposition
  • PeCVD plasma vapor deposition
  • Enhanced Chemical Vapor Desposition Enhanced Chemical Vapor Desposition
  • thin metal layers are deposited in an evacuated vacuum chamber on a plastic component.
  • the material to be deposited is in solid form.
  • the vaporized material moves through the coating chamber and strikes the component to be coated, where precipitation leads to layer formation.
  • the PVD process is generally suitable for representing metallic layers, it has proven to be problematic that the very thin metal coating can not have sufficient resistance to abrasion and corrosion without an additional protective layer.
  • a protective layer for example a clearcoat system.
  • a coating of a primer is usually necessary.
  • Another important and industrially important coating is the galvanic deposition of metals on plastic components.
  • the parts are first produced by injection molding, for example from butadienhaitigen copolymers such as ABS or ABS / PC. After the injection molding process, the components are chemically pretreated to autoclaltically deposit on them a first thin metal layer, usually a thin layer of nickel or copper. In the further galvanic process, further metal layers are then deposited electrolytically until finally the electroplating process is finished, usually with a deposited chromium layer.
  • For all surfaces used in addition to the high aesthetic standards, there must also be a high resistance to mechanical damage as well as high media resistance in order to meet the later requirements of automotive exterior and interior design.
  • the conventional electrodeposited surface finishes and colors usually range from high gloss to different mattness, through to modified electrolytes and processes, to slightly anthracite and brownish tones.
  • a combination of lacquer, gas phase deposition, for example a PVD coating, and a tinted, ie weakly pigmented lacquer can be used to display colored metallic surfaces.
  • gas phase deposition for example a PVD coating
  • a tinted, ie weakly pigmented lacquer can be used to display colored metallic surfaces.
  • Such a technology is described in DE 102 33 120 A1. It is also possible to deposit the metal layers to be deposited directly on the substrate via special metal alloys.
  • EP 2 369 032 A1 describes such an approach. But here is one as well Primer for bonding and a downstream, namely a Klariackmaschine necessary. However, the color spectrum is limited and the haptic sensation is reduced by the lacquer layer. The invention aims to remedy this situation.
  • the invention has for its object to provide a method for producing corrosion-resistant and optionally color-coated metallic, decorative plastic components, in which a high-quality, corrosion-stable and optional inked decorative metal layer can be formed with a chemical and galvanic pretreatment and at least one galvanic metal deposition ,
  • the invention provides a process for producing corrosion-resistant and optionally metallic-color-coated, decorative plastic components, in which a high-quality, corrosion-resistant and optionally color-capable decorative metal layer can be formed by chemical and galvanic pretreatment and at least one galvanic metal deposition.
  • the chemical pretreatment is performed by means of selected mechanical and chemical roughening, swelling and pickling technologies and other technologies for providing a first conductive metal layer adhesion mechanism.
  • the anodized layer is compacted. During compaction, the pores opened by anodizing are closed again. This prevents the storage of corrosive substances.
  • FIG 1 shows the flow diagram of the method according to the invention
  • the components to be coated are first produced in the plastic injection molding process (a) from a galvanisable plastic, preferably from a butadiene-containing copolymenate such as ABS or ABS / PC.
  • the components are chemically pretreated in a conventional plastic electroplating process (b) to subsequently autocally deposit a first thin metal layer on this machined surface (c), which is usually a thin layer of nickel or copper.
  • Autocatalysis (Greek for "self-dissolution”) refers to a special form of catalytic chemical reaction in which a final product acts as a catalyst for the reaction, and the continuous formation of this catalyst constantly accelerates the reaction.
  • At least one metal layer is then applied electrolytically (d) or aluminum is deposited directly in a further galvanic process step (e), which is oxidized to an aluminum oxide in a subsequent anodization process (f) and optionally dyed (g). ,
  • the inventive method is thus according to the described process steps capable of corrosion-resistant and optionally colored metallic coated decorative plastic components provide (h).
  • an aluminum is deposited which, in the downstream anodization process, is oxidized to an aluminum oxide and optionally dyed.
  • the aluminum is also electrodeposited from electrolytes or from aluminum salts in organic solutions as well as optionally by ionic liquids.
  • the method according to the invention can thus according to the method form a corrosion-resistant, optionally colored and decorative metallic surface coating on plastic components.
  • the described anodizing process uses, like the previously described galvanic process, the plastic electroplating of the electrolysis, the oxidation of the aluminum to aluminum (III) oxide generally being carried out under direct current at the anode.
  • the converted aluminum oxide layer is subsequently highly corrosion-resistant and has a high visual appearance.
  • the aluminum-coated components are usually degreased and pickled to remove impurities, deposits and possibly formed oxide layers.
  • pickling existing small surface defects such as e.g. Scores, scratches, blowholes, inclusions, etc. eliminated by material removal.
  • the aluminum-coated component can be immersed in hot dye solution and then rinsed.
  • the dye moieties are deposited mainly in the upper regions of the pores of the anodized layer and enter into bonds with the oxide layer.
  • dyeing of the oxidized aluminum layers may also be performed.
  • the component is neutralized after anodizing, rinsed and in color baths with Colored metal salt solutions.
  • the ions of the solution accumulate in the pores of the anodizing layer and become a solid.
  • the electrolytic Colinalverfah- ren is carried out with AC voltage.
  • the electrolyte contains a coloring metal salt.
  • the metal ions penetrate deeply into the pores of the layer.
  • the duration of the electrolysis depends on the desired color depth.
  • interference dyeing in which, in contrast to the previous dyeing technologies, the color of the aluminum is not generated by embedded foreign ions, but by an interference within the aluminum oxide layer.
  • light appears on thin layers of optically transparent materials such.
  • This color effect is also referred to as "iridescent colors” as a result of the refraction and interference of light on thin surface layers of an object, so that the object shines in the colors of the rainbow.
  • the colors depend on the viewing angle, depending on the layer thickness of the oxide layer and the associated deletion of light, different colors (eg blue, green, gray or red) can be reproducibly displayed.
  • the anodized and possibly colored aluminum is compacted in a final processing step in demineralized water by simple cooking.
  • cooking in hot to boiling water can be used.
  • this can be done by dip dyeing (adsorptive dyeing) at temperatures between 55 and 85 ° C., whereby the process can take between 15 to 30 minutes to 20 to 35 minutes.
  • the re-compaction can also take place in the post-compressor solution at a temperature between 90 and 100 ° C. Approx. 3 minutes are required per 1 ⁇ m layer thickness for this treatment.
  • the treatment can be done in hot water, which must be deionized water.
  • the temperature is also between 90 and 100 ° C, for a 1 micron layer thickness also a duration of 3 minutes is required.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

L'invention concerne un procédé pour la fabrication de pièces en matière synthétique (h) stables à la corrosion et éventuellement revêtues de couleur métallique, décoratives, dans lequel les pièces à revêtir sont d'abord fabriquées dans un procédé (a) de moulage par injection de matière synthétique à partir d'une matière synthétique pouvant être galvanisée et ensuite soumises à un prétraitement chimique (b), lors duquel une première couche métallique (c) conductrice est déposée et ensuite de l'aluminium est déposé de manière galvanique (e). La surface déposée en aluminium est oxydée dans un procédé Éloxal (oxydation anodique) (f) consécutif.
PCT/EP2018/051567 2017-01-23 2018-01-23 Procédé pour la fabrication de pièces en matière synthétique stables à la corrosion et éventuellement revêtues d'une couleur métallique et décoratives WO2018134436A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/478,963 US20190345611A1 (en) 2017-01-23 2018-01-23 Method for producing corrosion-stable and optionally colour/metallically coated and decorative plastic components
CN201880008020.XA CN110382746A (zh) 2017-01-23 2018-01-23 制造耐腐蚀的和任选彩色金属涂覆的和装饰性的塑料构件的方法
EP18703234.7A EP3571335A1 (fr) 2017-01-23 2018-01-23 Procédé pour la fabrication de pièces en matière synthétique stables à la corrosion et éventuellement revêtues d'une couleur métallique et décoratives

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017000347.3U DE202017000347U1 (de) 2017-01-23 2017-01-23 Kunststoffbauteil mit galvanisierter und eloxierter Oberfläche zur Darstellung optional farblicher, korrosionsstabiler, dekorativer Metallschichten
DE202017000347.3 2017-01-23

Publications (1)

Publication Number Publication Date
WO2018134436A1 true WO2018134436A1 (fr) 2018-07-26

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PCT/EP2018/051567 WO2018134436A1 (fr) 2017-01-23 2018-01-23 Procédé pour la fabrication de pièces en matière synthétique stables à la corrosion et éventuellement revêtues d'une couleur métallique et décoratives

Country Status (5)

Country Link
US (1) US20190345611A1 (fr)
EP (1) EP3571335A1 (fr)
CN (1) CN110382746A (fr)
DE (1) DE202017000347U1 (fr)
WO (1) WO2018134436A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022263681A3 (fr) * 2021-06-19 2023-02-09 Gerhardi Kunststofftechnik Gmbh Composant en matière plastique décoratif et procédé de fabrication d'un tel composant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021002143U1 (de) 2021-06-19 2021-10-13 Gerhardi Kunststofftechnik Gmbh Dekoratives Kunststoffbauteil mit Zink, Zink-Nickel oder Nickelbeschichtung zur Darstellung optional farblicher, korrosionsstabiler Metallschichten

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101386A (en) * 1971-05-07 1978-07-18 Siemens Aktiengesellschaft Methods of coating and surface finishing articles made of metals and their alloys
JPS57181391A (en) * 1981-04-30 1982-11-08 Nisshin Steel Co Ltd External parts made of synthetic resin for timepieces
DE10233120A1 (de) 2002-07-20 2004-02-05 Eichler Pulverbeschichtung Gmbh Dekorative universelle Oberflächenbeschichtung
US20040094426A1 (en) * 2002-11-15 2004-05-20 Wente Lai Method of manufacturing decorative plate
EP2369032A1 (fr) 2010-03-25 2011-09-28 Odelo GmbH Procédé de fabrication de surfaces colorées

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101922010B (zh) * 2009-06-16 2012-11-21 比亚迪股份有限公司 一种铝合金表面处理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101386A (en) * 1971-05-07 1978-07-18 Siemens Aktiengesellschaft Methods of coating and surface finishing articles made of metals and their alloys
JPS57181391A (en) * 1981-04-30 1982-11-08 Nisshin Steel Co Ltd External parts made of synthetic resin for timepieces
DE10233120A1 (de) 2002-07-20 2004-02-05 Eichler Pulverbeschichtung Gmbh Dekorative universelle Oberflächenbeschichtung
US20040094426A1 (en) * 2002-11-15 2004-05-20 Wente Lai Method of manufacturing decorative plate
EP2369032A1 (fr) 2010-03-25 2011-09-28 Odelo GmbH Procédé de fabrication de surfaces colorées

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022263681A3 (fr) * 2021-06-19 2023-02-09 Gerhardi Kunststofftechnik Gmbh Composant en matière plastique décoratif et procédé de fabrication d'un tel composant

Also Published As

Publication number Publication date
CN110382746A (zh) 2019-10-25
US20190345611A1 (en) 2019-11-14
DE202017000347U1 (de) 2017-02-15
EP3571335A1 (fr) 2019-11-27

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