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
  • C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
  • C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
  • C23C18/1886—Multistep pretreatment
• • 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
  • C23C18/1601—Process or apparatus
  • C23C18/1633—Process of electroless plating
  • C23C18/1635—Composition of the substrate
  • C23C18/1639—Substrates other than metallic, e.g. inorganic or organic or non-conductive
• • 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
  • C23C18/1601—Process or apparatus
  • C23C18/1633—Process of electroless plating
  • C23C18/1646—Characteristics of the product obtained
  • C23C18/165—Multilayered product
  • C23C18/1653—Two or more layers with at least one layer obtained by electroless plating and one layer obtained by electroplating
• • 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
  • C23C18/1601—Process or apparatus
  • C23C18/1633—Process of electroless plating
  • C23C18/1655—Process features
  • C23C18/1658—Process features with two steps starting with metal deposition followed by addition of reducing agent
• • 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
  • C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
  • C23C18/1855—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material 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
  • C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
  • C23C18/1896—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by electrochemical pretreatment
• • 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
• • 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
• • 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
  • C23C18/38—Coating with copper
• • 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
  • C23C18/40—Coating with copper using reducing agents
• • 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
  • C23C18/42—Coating with noble metals
  • C23C18/44—Coating with noble metals using reducing agents
• • 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
  • 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
• • C—CHEMISTRY; METALLURGY
  • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
  • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
  • C25D9/00—Electrolytic coating other than with metals
  • C25D9/02—Electrolytic coating other than with metals with organic materials
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31678—Of metal

Definitions

• the present invention relates to a method of coating a surface of a non-metallic material substrate with a metal layer to make it capable of being treated, thanks to the strong adhesion of the coating, by conventional metallization processes such as than electroplating.
• Materials metallization processes consist in depositing a thin layer of metal on the surface of a substrate.
• the interest of these processes is multiple: visual, decorative, conductive, reinforcement ... It is commonly used for parts used in the aerospace, automotive, cosmetics, appliances, sanitary, connectivity, microelectronics ...
• the activation step of the surface consists of depositing and maintaining on the surface of the non-metallic material metal particles or metal cations which will subsequently be reduced to form metal particles.
• This step requires the use of colloidal palladium / tin particles which react only on a certain type of polymer and which requires the use of large quantities of palladium.
• the stripping step of ABS panels is carried out with a solution of potassium permanganate and phosphoric acid and Step of formation of the Sn / Pd colloid is carried out by successive applications of a solution of tin chloride and then of a solution of palladium chloride.
• the self-catalytic metal deposition step is a conventional copper deposition step.
• the activation step is a adsorption step in which a colloidal preparation is used or formed by addition of stannous ions, which must then be completely removed to allow smooth and uniform development of the metal layer during the autocatalytic metal deposition step.
• US Pat. Nos. 4,981,715 and 4,701,351 describe a process for coating a substrate with a thin layer of a polymer, for example polyacrylic acid, capable of complexing a noble metal compound comprising a step of covering the substrate with a polymer capable of chelating metal ions, followed by a step of contacting the polymer with metal particles.
• the substrate is then subjected to the self-catalytic metal deposition step.
• the metal cations used are
• the main drawback of this method is that it entails the need to manage the quality of an additional interface, namely that which is created between the substrate and the polymer layer capable of chelating a metal ion. Solutions are proposed for example for irradiation treatment which also allows the regioselective fixing of this layer of polymer capable of drying and thus the possibility of metallizing the substrate selectively.
• the present invention simplifies the various steps of this method of coating non-metallic materials and make it more environmentally friendly and less expensive, by developing a simpler coating process n ' using no toxic and polluting reagents, without adding a step and an additional layer.
• the present invention therefore relates to a method of coating a surface of a substrate of non-metallic material with a metal layer, consisting of the following steps:
• step b) subjecting at least a portion of at least one surface of said substrate to a physical or chemical surface-specific increase treatment; c) subjecting the surface of said substrate treated in step b) to a treatment; oxidant,
• step c) the surface of said substrate treated in step c) is brought into contact with a solution containing at least one ion of at least one metal and its counterion, said metal being chosen from the group consisting of the metals of groups IB and VIII of the table of its periodic classification of elements,
• step f) contacting the surface comprising particles of at least one metal obtained in step f) with a solution containing ions of at least one metal.
• step h) obtaining on the treated surface of said substrate a coating with a layer of at least one metal,
• steps possibly being followed or preceded by one or more rinsing steps.
• Step g) is a self-catalytic deposition step also called electroless.
• step f) the atoms of at least one metal attached to the non-metallic material constituting the substrate are fixed by ligand-metal interactions.
• the activation step d) is carried out by contact with a solution containing an ion of a single metal and its counter-ion.
• steps b) and c) are carried out in a single step b ') and the treatment is an oxidizing treatment.
• the metal of step f) and the metal of the ions of step g) are identical.
• steps f) and g) are performed in a single step f).
• the surface of said non-metallic material substrate must be, firstly, prepared in order to obtain good adhesion of the metal layer to the surface.
• the surface of the substrate is cleaned of all its contaminants by simultaneously creating a hooking relief for the adhesion of the future coating during step b) of the process.
• the surface of the substrate may be treated in whole or in part using masking techniques well known to those skilled in the art such as the use of protective varnishes resistant to oxidation steps.
• step b) is implemented by physical processing.
• physical treatment means a treatment for removing the weak cohesion layers and increase the surface roughness.
• the physical treatment is selected from the group of impact treatments.
• steps b) or b ') or c) are implemented by oxidative treatment.
• oxidizing treatment any treatment to prepare the surface by increasing the roughness so the surface area of the surface for step b) and creating functions that can chelate and / or complex metal cations for the step c).
• the oxidizing treatment is chosen from the group of chemical oxidizing treatments.
• the oxidizing treatment is chosen from the group of electrochemical oxidizing treatments.
• the oxidizing treatment of step c) is selected from the group of physical oxidizing treatments.
• the substrate may be a nanoparticle, a microparticle, a stopper of cosmetic products, an electronic element, a door handle, an electrical appliance, glasses, a decorative object, a bodywork element, a cabin element, airplane wing, a flexible conductor or a connector.
• Non-metallic materials are understood to mean any material belonging to the family of organic materials, to the family of mineral materials and to the family of composite materials.
• Non-limiting examples include wood, paper, cardboard, ceramics, plastics, silicones, textiles and glass.
• the organic material is chosen from plastics.
• metal layer is meant a thin layer, from a few nanometers to several hundred microns, a metal and / or a metal oxide deposited on the surface of a substrate.
• the nonmetallic material is a polymer chosen from the group comprising the polymers, natural, artificial, synthetic, thermoplastic, thermosetting, thermostable, elastomeric, one-dimensional and three-dimensional.
• the non-metallic material may further comprise at least one element selected from the group consisting of fillers, plasticizers and additives.
• the fillers are mineral fillers chosen from the group comprising silica, talc, fibers or glass beads.
• the fillers are organic fillers chosen from the group comprising cereal flour and cellulose pulp.
• the additives are used to improve a specific property of the non-metallic material such as its color, its crosslinking, its sliding, resistance to degradation, fire and / or bacterial and / or fungal attacks.
• the polymer is a thermoplastic (co) polymer selected from the group comprising a polyolefin, a polyester, a polyether, a vinyl polymer, a vinylidene polymer, a styrenic polymer, a (meth) acrylic polymer.
• a polyamide a fluoropolymer, a cellulosic polymer, a poly (arylenesulfone), a polysulfide, a poly (arylether) ketone, a polyamide-imide, a poly (ether) imide, a polybenzimidazole, a poly ( indene / coumarone), a poly (paraxylylene), isolated, in admixture, in copolymers or in combination.
• the polyolefins may be chosen from the group comprising a polyethylene, a polypropylene, an ethylene / propylene copolymer, a polybutylene, a polyethylpentene, an ethylene / vinyl acetate copolymer, an ethylene / vinyl alcohol copolymer, an ethylene / acrylate copolymer. methyl, alone, in admixture, in copolymers or in combination.
• the polyesters may be chosen from the group comprising a polyethylene terephthalate, modified or unmodified by glycoi, a polybutylene terephthalate, a polyactide, a polycarbonate, alone, as a mixture, copolymers or in combination.
• the polyethers may be chosen from the group comprising a poly (oxymethylene), a poly (oxyethylene), a poly (oxypropylene), a poly (phenylene ether), alone, in a mixture, in copolymers or in combination.
• the vinyl polymers may be chosen from the group comprising an optionally chlorinated polyvinyl chloride, a polyvinyl alcohol, a polyvinyl acetate, a polyvinyl acetal, a poly (formaldehyde) and a polyvinyl alcohol.
• vinyl a poly (vinyl fluoride), a poly (vinyl chloride / vinyl acetate), whether alone, in admixture, in copolymers or in combination.
• the vinylidene polymers may be chosen from the group comprising a polyvinylidene chloride, a polyvinylidene fluoride, alone, in a mixture, in copolymers or in combination.
• the styrenic polymers may be selected from the group consisting of polystyrene, poly (styrene / butadiene), poly (acrylonitrile / butadiene / styrene), poly (acrylonitrile / styrene), poly (acrylonitrile / ethylene / propylene) styrene), a poly (acrylonitrile / styrene / acrylate), alone, in admixture, in copolymers or in combination.
• the (meth) acrylic polymers may be chosen from the group comprising a polyacrylonitrile, a poly (methyl acrylate), a poly (methyl methacrylate), alone, in a mixture, in copolymers or in combination.
• the polyamides may be chosen from the group comprising a poly (caprolactam), a poly (hexamethylene adipamide), a poly (! Auroamide), a polyether-block-amide, a poly (metaxylylene adipamide), a polyamide (metaphenylene isophthalamide), whether alone, in admixture, in copolymers or in combination.
• the fluoropolymers may be chosen from the group comprising a polytetrafluoroethylene, a polychlorotrifluoroethylene, a perfluorinated poly (ethylene / propylene), a poly (vinylidene fluoride), alone, in a mixture, in copolymers or in combination.
• the cellulosic polymers may be chosen from the group comprising a cellulose acetate, a cellulose nitrate, a methylcellulose, a carboxymethylcellulose, an ethylmethylcellulose, alone, in a mixture, in copolymers or in combination,
• the poly (arylenesulfone) may be chosen from the group comprising a polysulfone, a polyethersulfone, a polyarylsulphone, alone, in a mixture, in copolymers or in combination.
• the polysulfides may be poly (phenylene sulfide).
• Potyl (aryl ether ketones) can be chosen from the group comprising a polyetherketone, a polyether etherketone, a polyetherketone ketone, alone, as a mixture, copolymers or in combination.
• the polymer is a thermosetting (co) polymer chosen from the group comprising an aminoplast such as ureaformol, melanin-formaldehyde, melanin-formaldehyde / polyesters, alone, copolymers, in a mixture or in combination, a polyurethane, an unsaturated polyester, a polysiloxane, a formophenolic resin, epoxide, allyl or vinylester, an alkyd, a polyurea, a polyisocyanurate, a poly (bismaleimide), a polybenzimidazole, a polydicyclopentadiene, alone, in copolymers, in admixture or in combination.
• an aminoplast such as ureaformol, melanin-formaldehyde, melanin-formaldehyde / polyesters, alone, copolymers, in a mixture or in combination
• a polyurethane an unsaturated polyester
• the (co) polymer is selected from the group consisting of acrylonitrile butadiene styrene (ABS), acrylonitrile butadiene styrene / polycarbonate (ABS / PC), methyl methacrylate acrylonitrile butadiene styrene (MABS ), a polyamide (PA) such as nylon, polyamine, polyacrylic acid, polyaniline and polyethylene terephthalate (PET).
• ABS acrylonitrile butadiene styrene
• ABS / PC acrylonitrile butadiene styrene / polycarbonate
• MABS methyl methacrylate acrylonitrile butadiene styrene
• PA polyamide
• nylon polyamine
• PET polyacrylic acid
• PET polyaniline
• PET polyethylene terephthalate
• the metal of the metal ion used in step d) is selected from copper, silver, nickel, platinum, palladium or cobalt ions.
• the metal of the metal ion used in step d) is selected from the group consisting of copper and nickel.
• the metal of the metal ion used in step d) is copper.
• the metal of the metal ions used in step g) or f) is selected from the elements of groups IB and VIII of the Periodic Table.
• the metal of the metal ion used in step g) or f) is selected from copper, silver, gold, nickel, platinum, palladium, iron or cobalt ions.
• the metal of the metal ion used in step g) or f) is selected from the group consisting of copper and nickel.
• the metal of the metal ion used in step g) or f) is copper
• the metal of the metal ion used in step g) or f) is nickel.
• the group of impact treatments includes sandblasting, shot blasting, microbiiling and sanding by abrasive cloths.
• the chemical oxidizing treatment is chosen from the group comprising Fenton's reagent, alcoholic potash, a strong acid, sodium hydroxide, a strong oxidant, ozone, alone or in combination.
• the strong acid is chosen from the group comprising hydrochloric acid, sulfuric acid, nitric acid, perchloric acid, acetic acid and oxic acid. , phosphorous acid, phosphoric acid, hypophosphorous acid alone or as a mixture.
• the strong oxidant is selected from the group comprising KMn0 4 and KCI0 3 , alone or in admixture.
• the strong oxidant is KMnO 4 -
• the oxidizing treatments are chosen depending on the nature of the constituent materials of the substrates, in Table 1 below are illustrated by way of examples, different chemical oxidizing treatments applicable when the substrate is ABS or ABS / PC .
• the solid acid mass ratios are between 5 and 100%.
• they are between 50 and 95%.
• the duration of the strong acid treatment is between 20 seconds and 5 hours.
• it is between 30 seconds and 3 hours.
• it is between 30 seconds and 20 minutes.
• the duration of the Fenton chemical reaction treatment is between 5 minutes and 5 hours.
• it is between 10 minutes and 3 hours.
• it is between 15 minutes and 2 hours.
• it is of the order of 25 minutes.
• the potassium hydroxide is diluted in a solution containing as solvent an alcohol selected from the group comprising methanol, ethanol, and propanol.
• said potassium hydroxide is diluted in a solution containing as solvent ethanol. In one embodiment, the concentration of potassium hydroxide in the alcoholic solution is between 0.1 and 10M.
• it is between 0.5M and 5M.
• it is of the order of 3.5M.
• its duration of treatment with alcoholic potash is between 5 minutes and 5 hours.
• it is between 1 minute and 3 hours.
• it is between 5 minutes and 1 hour.
• the mass ratios of sodium hydroxide are between 10 and 100%.
• they are between 15 and 70%.
• they are between 20 and 50%.
• the strong oxidant solution is neutral, acidic or basic.
• the strong oxidant solution is acidic.
• the strong oxidant is selected from the group consisting of KMnO 4 and KClO 3 , alone or in admixture, in hydrochloric acid, in sulfuric acid, in nitric acid, in oxalic acid, in phosphoric acid, in hydrophosphorous acid or in phosphorous acid.
• the concentration of K n0 4 or KG0 3 is between 10mM and 1M.
• it is between 0.1M and 0.5.
• it is of the order of 0.2M.
• the acid concentration is between 0.1M and 10M.
• it is between 0.5M and 5M.
• the duration of the treatment for a strong oxidant is between 1 minute and 3 hours.
• it is between 5 minutes and 1 hour.
• it is between 6 minutes and 30 minutes.
• chemical oxidizing treatment is an electrochemical treatment.
• the counter-ion of the at least one metal of step d) is chosen from the group comprising tetrafluoroborate, sulfate, bromide, fluoride, iodide, nitrate, phosphate and chloride ions.
• the solution of step d) containing at least one ion of at least one metal and its counterion is a basic solution.
• the basic solution has a pH greater than 7.
• it has a pH between 9 and 11.
• it has a pH of about 10.
• the duration of the treatment of step d) is between 30 seconds and 2 hours.
• it is between 1 minute and 1 hour.
• it is of the order of 15 minutes.
• the reducing solution of the reducing treatment in step f) is basic.
• the reducing solution comprises a reducing agent chosen from the group comprising solutions of sodium borohydride, dimethyfamineborane or hydrazine.
• the reducing agent is a solution of sodium borohydride.
• its sodium borohydride solution has a neutral or basic pH.
• the dimethylamineborane solution has a basic pH.
• the pH is basic
• the sodium hydroxide solution is used as a solvent.
• its concentration of sodium hydroxide is between 10 -4 and 5M.
• it is between 0.05M and 1M.
• it is of the order of 0.1M.
• the concentration of reducing agent in the reducing solution of step f) is between 10 -4 M and 5M.
• it is between 0.01M and 1M.
• it is of the order of 0.3M.
• the reduction step is carried out at a temperature of between 10 ° C. and 90 ° C. In one embodiment, it is carried out at a temperature between 30 ° C and 70 ° C.
• it is carried out at a temperature of the order of 50 ° C.
• the duration of the reduction step is between 30 seconds and 1 hour.
• it is between 1 minute and 30 minutes.
• it is between 2 minutes and 20 minutes.
• the solution of step f) comprises metal ions, a metal ion complexing agent, a reducing agent and a pH regulator.
• said solution of step f) is an aqueous solution.
• the solution of step f) is an electroless bath solution containing a metal cation chosen from: Ag + , Ag 2+ , Ag 3+ , Au + , Au 3+ , Co 2 + , Cu + , Cu 2+ , Fe 2+ , Ni 2+ , Pd + and Pt + .
• a metal cation chosen from: Ag + , Ag 2+ , Ag 3+ , Au + , Au 3+ , Co 2 + , Cu + , Cu 2+ , Fe 2+ , Ni 2+ , Pd + and Pt + .
• the solution of step f) is an electroless bath solution containing a metal cation chosen from: Co 2+ , Cu + , Cu 2+ , Ni 2+ , and Pt + .
• the solution of step g) containing ions of at least one meta! is an aqueous solution.
• said solution of step g) is an electroless bath solution containing a metal cation chosen from: Ag + , Ag + , Ag 3+ , Au + , Au 3+ , Co 2+ , Cu + , Cu 2+ , Fe + , Ni 2+ , Pd + and Pt + .
• a metal cation chosen from: Ag + , Ag + , Ag 3+ , Au + , Au 3+ , Co 2+ , Cu + , Cu 2+ , Fe + , Ni 2+ , Pd + and Pt + .
• the solution of step g) is an electroless bath solution containing a metal cation chosen from: Co 2+ , Cu + , Cu 2+ , Ni 2+ , and Pt + .
• the solution of step g) is an electroless bath solution containing a metal cation selected from: Cu + and Ni z + .
• the duration of step g) is between 1 minute and 1 hour.
• the surface of the substrate and / or the substrate is / are subjected to one or more rinses with at least one rinsing solution.
• the rinsing solutions are identical or different.
• the rinsing solution is selected from the group consisting of water, distilled water, deionized water or an aqueous solution containing a detergent.
• the detergent contained in an aqueous solution is selected from the group comprising TDF4 and sodium hydroxide.
• the concentration of sodium hydroxide is between 0.01 and 1M.
• the rinsing solution is agitated upon contact with the surface of the substrate and / or the substrate.
• the stirring is carried out using an agitator, a recirculation pump, a bubbling air or a gas, an ultrasonic bath or a homogenizer.
• the duration of each rinsing step is between 1 second to 30 minutes
• it is between 5 seconds to 20 minutes.
• the contacting of the surface of the substrate and / or the substrate with the solutions of the various steps can be done by immersion in a bath or by spraying and / or showering.
• the homogenization of said bath is carried out using an agitator, a recirculation pump, a bubbling air or a gas, a bath ultrasound or a homogenizer.
• the invention also relates to the substrate obtained according to the process of the invention for which the surface of said substrate of non-metallic material is coated with a metal layer.
• the invention relates to a substrate of non-metallic material, at least one surface of which is coated with a metal activation layer consisting of metal atoms bound by metal-ligand interaction directly to the constituent material of the substrate by groups.
• carboxylic acid -COOH
• hydroxyl -OH
• alkoxyl -OR
• carbonyl -00
• percarboxylic acid -CO-O-OH
• amide amide
• the invention relates to a substrate made of ABS, the surface of which is coated with an activation layer made of copper, the atoms of which are bonded by metal-ligand interaction to the constituent ABS of FIG. substrate, said activation layer being covered with a layer of copper deposited by autocataiytique deposition.
• the invention relates to a substrate made of ABS, the surface of which is coated with an activation layer made of nickel, the atoms of which are bonded to the constituent ABS of the substrate. said activation layer being coated with a copper layer deposited by autocatalytic deposition.
• the invention relates to a substrate made of ABS / PC, the surface of which is coated with an activation layer consisting of copper, the atoms of which are bonded to a meta-ligand interaction with ABS.
• PC constituting the substrate, said activation layer being covered with a layer of copper deposited by autocataiytic deposition
• the invention relates to a substrate made of ABS / PC, the surface of which is coated with an activation layer consisting of nickel, the atoms of which are linked by meta-ligand interaction at ⁇ / PC. constituent of the substrate, said activation layer being covered with a layer of copper deposited by autocataiytic deposition
• the invention relates to a substrate consisting of PA, the surface of which is coated with an activation layer consisting of copper, the atoms of which are bonded by meta-ligand interaction to the constituent PA of the substrate, activation layer being covered with a layer of copper deposited by autocatalytic deposit
• the invention relates to a substrate consisting of PA, the surface of which is coated with an activation layer made of nickel, the atoms of which are bonded to the substrate PA; of activation being covered with a layer of copper deposited by autocatalytic deposit
• the invention relates to a substrate consisting of PC, the surface of which is coated with an activation layer consisting of copper whose atoms are bonded by metal-Sigand interaction to the PC constituting the substrate, said activation layer being covered with a layer of copper deposited by autocatalytic deposit
• the invention relates to a substrate made of PC, the surface of which is coated with an activation layer made of nickel, the atoms of which are bonded by metal-ligand interaction to the constituent PC of the substrate, said activation layer being covered with a layer of copper deposited by autocatalytic deposition
• the invention relates to a substrate consisting of MABS, the surface of which is coated with an activation layer consisting of copper whose atoms are bonded by metal-ligand interaction to the MABS constitutive of the substrate, said activation layer being covered with a layer of copper deposited by autocatalytic deposition
• the invention relates to a substrate consisting of MABS, the surface of which is coated with an activation layer consisting of nickel, the atoms of which are bonded by metal-ligand interaction to the MABS constituting the substrate, said activation layer being covered with a layer of copper deposited by autocatalytic deposition
• the invention relates to a substrate made of PP, the surface of which is coated with an activation layer consisting of copper whose atoms are bonded by metal-ligand interaction to the constituent PP of the substrate, iadite activation layer being covered with a layer of copper deposited by autocatalytic deposition
• the invention relates to a substrate consisting of PP, the surface of which is coated with an activation layer consisting of nickel, the atoms of which are bonded by metal-ligand interaction to the constituent PP of the substrate, activation layer being coated with a copper layer or deposited by autocatalytic deposition
• the invention relates to a substrate consisting of PPS, the surface of which is coated with an activation layer made of copper, the atoms of which are bonded by metal-ligand interaction to the constituent PPS of the substrate.
• activation layer being coated with a copper layer or deposited by autocatalytic deposition
• the invention relates to a substrate consisting of PPS, the surface of which is coated with an activation layer consisting of nickel, the atoms of which are bonded by metal-ligand interaction to the constituent PPS of the substrate, activation layer being covered with a layer of copper deposited by autocatalytic deposition
• the invention relates to a substrate made of ABS, the surface of which is coated with an activation layer made of copper, the atoms of which are bonded by metal-ligand interaction to the ABS constituting the substrate, said activation layer being coated with a nickel layer deposited by autocatalytic deposition.
• the invention relates to a substrate made of ABS, the surface of which is coated with an activation layer consisting of nickel, the atoms of which are bonded by metal-ligand interaction to the constituent ABS of the invention. substrate, said activation layer being coated with a nickel layer deposited by autocatalytic deposition.
• the invention relates to a substrate made of ABS / PC, the surface of which is coated with an activation layer consisting of copper whose atoms are linked by metal-ligand interaction with ABS. / PC constituting the substrate, said activation layer being coated with a layer of nickel deposited by autocatalytic deposition
• the invention relates to a substrate made of ABS / PC, the surface of which is coated with an activation layer made of nickel, the atoms of which are bound by metal-ligand interaction with ABS. / PC constituting the substrate, said activation layer being coated with a layer of nickel deposited by autocatalytic deposition
• the invention relates to a substrate consisting of PA, the surface of which is coated with an activation layer made of copper, the atoms of which are bonded by metal-ligand interaction to the constituent PA of the substrate.
• activation layer being coated with a nickel layer deposited by autocatalytic deposition
• the invention relates to a substrate consisting of PA, the surface of which is coated with an activation layer made of nickel, the atoms of which are bonded by metal-ligand interaction to the constituent PA of the substrate.
• activation layer being coated with a nickel layer deposited by autocatalytic deposition
• the invention relates to a substrate made up of PC whose surface is coated with an activation layer made of copper, the atoms of which are bonded by metal-ligand interaction to the constituent PC of the substrate.
• activation layer being coated with a nickel layer deposited by autocatalytic deposition
• the invention relates to a substrate made up of PC whose surface is coated with an activation layer consisting of nickel, the atoms of which are bonded by metal-ligand interaction to the constituent PC of the substrate, said activation layer being coated with a nickel layer deposited by autocatalytic deposition
• the invention relates to a substrate consisting of MABS, the surface of which is coated with an activation layer made of copper, the atoms of which are bonded by metal-ligand interaction to the MABS constitutive of the substrate. activation layer being coated with a nickel layer deposited by autocatalytic deposition
• the invention relates to a substrate consisting of MABS, the surface of which is coated with an activation layer consisting of nickel, whose atoms are bonded by meta- ⁇ gand interaction to the MABS constitutive of the substrate.
• activation layer being coated with a nickel layer deposited by autocatalytic deposit
• the invention relates to a substrate consisting of PP, the surface of which is coated with an activation layer consisting of copper, the atoms of which are bonded by metal-ligand interaction to the constituent PP of the substrate.
• activation layer being coated with a nickel layer deposited by autocatalytic deposit
• the invention relates to a substrate made of PP, the surface of which is coated with an activation layer consisting of nickel, the atoms of which are bonded by metal-ligand interaction to the constituent PP of the substrate, fadite activation layer being coated with a nickel layer deposited by autocatalytic deposition
• the invention relates to a substrate consisting of PPS, the surface of which is coated with an activation layer consisting of copper whose atoms are linked by metal-ligand interaction to the constituent PPS of the substrate, said activation layer being coated with a nickel layer deposited by autocatalytic deposition
• the invention relates to a substrate consisting of PPS, the surface of which is coated with an activation layer consisting of nickel, the atoms of which are bonded by metal-ligand interaction to the constituent PPS of the substrate, activation layer being coated with a nickel layer deposited by autocatalytic deposition
• the invention also relates to a method according to the invention further comprising a metallization step.
• the metallization treatment is an electroplating treatment.
• the invention and its modes of implementation are illustrated in the following examples.
• ABS acrylonitrile butadiene styrene
• PC acrylonitrile butadiene styrene / polycarbonate
• This method of coating with a copper layer of a substrate of non-metallic material is carried out in 4 steps (chemical oxidizing treatment with nitric acid / chelation and / or complexation / reduction / electro-bath).
• ABS acrylonitrile butadiene styrene
• ABS / PC acrylonitrile butadiene styrene / polycarbonate
• Copper sulfate (23.7 g) is solubilized in a solution of water (1000 ml) and ammonia (30 ml). In this bath are immersed parts that have undergone the chemical oxidizing treatment of step 1.1 for 15 minutes. The ABS parts are then rinsed in 0.2 M sodium hydroxide solution.
• NaBH 4 sodium borohydride (0.316 g, 0.8 ⁇ 10 -2 mol) is dissolved in 25 ml of a 0.1 M sodium hydroxide solution (NaOH). This solution is heated to 80.degree. using a water bath and His samples are immersed in it. After 12 minutes, the samples were rinsed with MilliQ water before being dried.
• a solution is prepared containing 100 ml of the solution M Copper® 85 B. Then, 40 ml of the solution M Copper® 85 A, then 30 ml of the solution M Copper® 85 D, then 2 ml of the solution M Copper® 85 G and finally 5 ml of formaldehyde 37% are added. The level of the solution is completed to reach 1 liter of solution. The bath is heated to 60 ° C. with mechanical stirring. The ABS plates are then introduced. [000194] The parts will be covered with the chemical copper metal film after 3 minutes of immersion.
• the Electroiess bath is a prepared solution containing: 40 ml of the PegCopper 100 solution, 100 ml of the PegCopper 200 solution, 30 ml of PegCopper 400 and 2 ml of PegCopper 500 (products sold by the PEGASTECH company). 3.5 ml of PegCopper 600 are then added. The level is completed to reach 1 liter with water and the mixture is brought to 50 ° C. under bulking. The parts to be treated are then introduced.
• the parts will be covered with the chemical copper metal film after 3 minutes of immersion.
• Example 2 The copper layer is visible to the naked eye.
• Example 2 The copper layer is visible to the naked eye.
• the coating process is carried out with a substrate consisting of Minlon® polyamide.
• step 1.2 copper ions are chelated on the surface of the substrate.
• step 1.4. or I.5. the polyamide substrate is covered with a chemical copper metal film.
• the copper layer is visible to the naked eye.
• the coating process is implemented with a Lexan® polycarbonate substrate.
• the polycarbonate substrate is immersed in a solution containing a mixture of strong acids (34% nitric acid and 66% tallow) at 25 ° C. for 5 minutes and then in a concentrated suifuric acid bath at 25 ° C. for 3 minutes. The whole is neutralized in a 5N potassium hydroxide solution at 65 ° C. for 5 minutes. The polycarbonate substrate is then rinsed with water.
• a mixture of strong acids (34% nitric acid and 66% tallow) at 25 ° C. for 5 minutes and then in a concentrated suifuric acid bath at 25 ° C. for 3 minutes.
• the whole is neutralized in a 5N potassium hydroxide solution at 65 ° C. for 5 minutes.
• the polycarbonate substrate is then rinsed with water.
• step 1.2 copper ions are chelated on the surface of the substrate.
• step 1.4. or I.5. the polycarbonate substrate is covered with a chemical copper metal film.
• the copper layer is visible to the naked eye.
• Adhesion tests according to the NF ISO 2409 / NF T30-038 standard and corrosion tests according to DIN ISO 9227 were carried out on the substrates obtained in Examples 1 to 3, and the performances are in accordance with the requirements of these tests and comparable to the performanes obtained with substrates obtained according to the methods of the prior art.

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