WO2002059051A2 - Revetement de polymere a plasma multicouche, son procede de realisation et son utilisation - Google Patents

Revetement de polymere a plasma multicouche, son procede de realisation et son utilisation Download PDF

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Publication number
WO2002059051A2
WO2002059051A2 PCT/EP2002/000800 EP0200800W WO02059051A2 WO 2002059051 A2 WO2002059051 A2 WO 2002059051A2 EP 0200800 W EP0200800 W EP 0200800W WO 02059051 A2 WO02059051 A2 WO 02059051A2
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Prior art keywords
plasma
layer
substrate
polymer coating
plasma polymer
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PCT/EP2002/000800
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German (de)
English (en)
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WO2002059051A3 (fr
Inventor
Martin Stratmann
Neil Shirtcliffe
Guido Grundmeier
Matthias Brettmann
Original Assignee
Friedrich-Alexander-Universität Erlangen-Nürnberg
Thyssen Krupp Stahl Ag
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Application filed by Friedrich-Alexander-Universität Erlangen-Nürnberg, Thyssen Krupp Stahl Ag filed Critical Friedrich-Alexander-Universität Erlangen-Nürnberg
Priority to AU2002228069A priority Critical patent/AU2002228069A1/en
Publication of WO2002059051A2 publication Critical patent/WO2002059051A2/fr
Publication of WO2002059051A3 publication Critical patent/WO2002059051A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/62—Plasma-deposition of organic layers
    • 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
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/60—Adding a layer before coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more

Definitions

  • Multilayer plasma polymer coating process for its production and its use
  • the present invention relates to a new multilayer plasma polymer coating on a substrate.
  • the present invention also relates to a new process for producing multilayer plasma polymer coatings.
  • the present invention relates to the use of the new multilayer plasma polymer coating as corrosion protection layers and adhesive layers.
  • Reactive consumer metals such as steel, zinc, aluminum, magnesium, titanium, copper and the alloys of at least two of these metals are characterized by a thinnest oxide skin or cover layer formed in the air.
  • B. significantly affects the corrosion behavior of the metal both in the uncoated and in the coated state.
  • An example of this is the dissertation by A. Leng, is responsible for this on the dissertation by A. Leng, "Investigations on the delamination of polymer-coated iron surfaces", progress reports VDI, row 5, No. 416, VDI-Verlag, Düsseldorf, 1995, the dissertation by W. Mariebeth, "Investigations on delamination of polymer coatings on galvanized steel surfaces ", Progress Reports VDI, Series 5, No.
  • a multi-layer plasma polymer coating on steel containing one above the other in the order given:
  • the object of the present invention is therefore to provide a new multilayer plasma polymer coating which is matched to the reactive metal used in each case, so that the corrosion protection properties and the adhesion both to the respective metal surfaces and to a further plasma polymer layer, adhesive layer, located on the plasma polymer coating , Painting, film or foam layer can be further improved.
  • the substrates that are coated with the new multi-layer plasma polymer coating are said to be particularly suitable for the production of molded parts that are used in such technically demanding areas as the manufacture of automobiles, airplanes, ships, furniture, doors, windows and cladding for buildings in Indoor and outdoor areas, components and housings for machines of any kind or containers and enamel layers can be used. Accordingly, the new multi-layer plasma polymer coating was found on a substrate comprising one above the other in the order given:
  • At least one layer located on at least one surface of the substrate which can be produced by treating the metallic surface of the substrate or at least one layer located on the metallic surface of the substrate from at least one metal oxide with a plasma containing water and / or carbon dioxide, and
  • (B3) at least one organic compound.
  • plasma polymer coating according to the invention the new multilayer plasma polymer coating on a substrate will be referred to as "plasma polymer coating according to the invention" for the sake of brevity.
  • Plasma (pre) treatment and plasma polymerization found the one with whom
  • (II) deposits at least one layer (B) of at least one plasma polymer by plasma polymerization of the following starting compounds in the order given:
  • (B3) at least one organic compound.
  • process according to the invention for the sake of brevity.
  • the plasma polymer coating according to the invention is on a substrate.
  • the substrate can consist of a wide variety of metals or of metallized materials. It preferably consists of reactive metals or materials metallized with reactive metals. Examples of suitable reactive metals are iron, steel, zinc, aluminum, magnesium, titanium and the alloys of at least two of these metals. Zinc is particularly well suited as such or in the form of a galvanized steel surface.
  • suitable materials that have a metallized surface are naturally occurring or synthetic, organic and inorganic materials such as plastics, glass, ceramics, wood, paper, leather and composites of these materials.
  • the substrates can represent a wide variety of three-dimensional molded parts, such as automobile body series or parts thereof, ship hulls, aircraft parts, furniture, doors, windows, cladding for buildings, components and housings for machines, containers or packaging.
  • the shaped parts are preferably in the form of plates or strips (coils).
  • the plasma polymer coating according to the invention contains at least one layer (A).
  • At least one surface of the substrate is covered with this layer (A).
  • this layer (A) In particular in the case of plate-like or tape-like substrates, both sides can be covered.
  • the layer (A) can be produced by the metallic surface of the
  • a layer (A) is built up from the relevant metal hydroxides, metal carbonates or a mixture of metal hydroxides and metal carbonates. If the plasma still contains oxygen, layer (A) can also contain the corresponding metal oxides.
  • the reactive consumer metals described above, but in particular zinc, are preferably used as metals.
  • layer (A) can be produced by treating at least one, in particular one, layer of at least one, in particular one, metal oxide with the plasma containing water and / or carbon dioxide.
  • the metal that builds up the metal oxide can be different from that of the substrate; According to the invention, however, it is advantageous if the same metal is used.
  • the metal oxide layer can be the "natural" cover layer of the metal or alloy in question, such as is formed when the metallic surface comes into contact with air. Or the metal oxide layer is built up by treating the metallic surface with an oxygen-containing plasma.
  • the oxides of the reactive consumer metals described above, but in particular zinc oxide, are preferably used as metal oxides.
  • the layers (A) consist of metal oxide and metal hydroxide, metal oxide and metal carbonate or metal oxide, metal hydroxide and metal carbonate.
  • the thickness of layer (A) is preferably 1 to 10, preferably 1.5 to 9, particularly preferably 2 to 8 and in particular 2.5 to 6 n.
  • the plasma polymer coating according to the invention further contains at least one layer (B) of at least one plasma polymer.
  • the plasma polymer layer (B) is preparable by reacting at least one element organic compound (Bl), at least a mixture (B2) of at least one element organic compound (Bl) and at least one organic compound '(B3) and at least one organic compound (B3) Plasma polymerized in the order given.
  • the outer surface of the resulting plasma polymer layer (B) with a plasma which contains at least one non-plasapolymerizable compound (C), as a result of which the outer surface is provided with reactive functional groups.
  • Suitable organic compounds (B1) are all customary and known organometallic compounds of main group and subgroup elements which are volatile enough to be subjected to plasma polymerization.
  • the element-organic compounds (B1) are preferably selected from the group consisting of organosilicon and organophosphorus, preferably organosilicon, compounds.
  • the elementary organic compounds (B1) are selected from the group consisting of trialkylsilanes and hexaalkyldisilanes. They preferably contain alkyl groups with 1 to 4 carbon atoms, especially methyl groups. Accordingly, trimethylsilane and hexamethyldisilane, in particular hexamethyldisilane, are particularly preferred according to the invention as organometallic see connections (Bl) used.
  • Suitable organic compounds (B2) are all organic compounds which are volatile enough to be subjected to plasma polymerization.
  • the organic compounds (B2) are preferably selected from the group consisting of aliphatics, cycloaliphatics, olefins and cycloolefins and their halogenated, preferably perhalogenated and in particular perfluorinated derivatives.
  • Suitable aliphatics are methane, ethane or propane and their perfluorinated derivatives.
  • Suitable cycloaliphatics are cyclopropane, cyclobutane, cyclopentane or cyclohexane and their perfluorinated derivatives.
  • Suitable olefins are ethylene, propylene, butene, pentene or hexene and their perfluorinated derivatives.
  • Suitable cycloolefins are cyclopentene or cyclohexene and their perfluorinated derivatives.
  • cyclohexene offers particular advantages and is therefore used with particular preference in accordance with the invention.
  • the non-plasma-polymerizable compounds (C) are preferably selected from the group consisting of oxygen, nitrogen and water and mixtures thereof.
  • Examples of reactive functional groups created by the treatment of the outer surface of the pias Mapolomer layer (B) with which the plasma containing the compounds (C) results are peroxide groups, hydroperoxide groups, carbonyl groups, carboxyl groups, peroxocarboxylic acid groups, amino and imino groups and amide groups.
  • the plasma polymer layer (B) can be constructed differently depending on its method of manufacture.
  • the concentration of the plasma polymers produced from the elemental organic compounds (B1) can decrease continuously and the concentration of the plasma polymers produced from the organic compounds (B3) continuously increase.
  • the concentration of the plasma polymers produced from the organo-organic compounds (B1) can gradually decrease and the concentration of the plasma polymers produced from the organic compounds (B3) can increase gradually.
  • a layer results from a uniformly or largely uniformly composed plasma polymer that can be produced from element-organic compounds (B1), a layer from a uniformly or largely uniformly composed plasma polymer that can be produced from the mixture (B2), and a layer from a uniform or substantially uniform composite plasma polymers, which can be prepared from organic compounds (B3).
  • the gradual concentration gradient and the continuous concentration gradient can overlap.
  • the concentrations of the plasma polymers which can be prepared from the elemental organic compounds (B1) and the plasma polymers which can be prepared from the organic compounds (B3) can change from "bottom to top” in the sense described above.
  • the boundaries between layers (B1) and (B2) and / or layers (B2) and (B3) can be fluid, ie there are transition zones in which the concentrations change continuously until a uniform one or largely uniform composition of the layer (B2) and / or (B3).
  • the ratio of the thicknesses of the layers (B1), (B2) and (B3) described above can vary widely.
  • the layers are preferably of approximately the same or the same thickness.
  • the thickness of the plasma polymer layer (B) can vary widely. It is preferably 3 to 100, preferably 4 to 80, particularly preferably 5 to 60, very particularly preferably 6 to 50 and in particular 7 to 40 nm.
  • the production of the plasma polymer layer (B) offers no special features, but takes place according to the customary and known plasma polymerization methods and devices, as are described in detail in the prior art cited at the beginning.
  • the system is preferred, as described in the article by G. Grundmeier and M. Stratmann, "Plasma Polymerization - a New and Promising Way for the Corrosion Protection of Steel", Materials and Corrosion, Volume 49, pages 150 to 160 , 1998, and the method as described in the dissertation by G. Grundmeier, "interfacial chemistry and corrosion analysis of plasma polymer coatings on steel ", Technical Faculty of the University of Er Weg-Nuremberg, 1997, pages 140 and 141.
  • the plasma polymer coating according to the invention can be produced using a wide variety of methods of plasma (pre) treatment and plasma polymerization. It is preferably produced by the method according to the invention. This will
  • (B3) at least one organic compound.
  • the starting compounds and methods of plasma polymerization and Plasma (pre) treatment used.
  • the process according to the invention can be carried out continuously or batchwise.
  • the starting compounds (B1), (B2) and (B3) can be deposited by sequential plasma polymerization, so that a gradual gradient results.
  • This variant of the method according to the invention is preferably carried out continuously.
  • the concentration of the starting compounds (B1) is lowered and the concentration of the starting compounds (B3) is increased in the course of the method.
  • the concentrations can be changed gradually or continuously.
  • This variant of the process according to the invention is particularly suitable for the batchwise production of the plasma polymer coating according to the invention in a reactor.
  • the concentrations can be adjusted by suitable gas flow.
  • the process according to the invention is preferably modified by treating the outer surface of the polymer coating according to the invention with a plasma which contains at least one of the non-plasma-polymerizable reactive compounds (C) described above.
  • At least one surface of the substrate and / or the layer thereon is made of before the production of the layer (s) (A) at least one metal oxide is cleaned by pretreatment with a plasma.
  • An argon plasma is preferably used for this.
  • the layer is built up from at least one metal oxide by treating the surface of the substrate with an oxygen-containing plasma.
  • tape-shaped substrates which can be coated on one or both sides.
  • the plasma polymer coatings according to the invention applied to the two sides of the band-shaped substrates can have a different composition and / or a different layer structure.
  • the sequential method according to the invention is preferably used with band-shaped substrates, in which the stepwise concentration gradients described above result.
  • a wide variety of devices can be used for the sequential method according to the invention. According to the invention, it is advantageous to use a device which comprises a modification cell and at least three coating cells connected in series. The gas-tight to the outside
  • Cells are separated gas-tight from each other by guide or transport rollers. If the strip-shaped substrates are to be coated on both sides, the cells each have two opposite reaction spaces, which are separated from one another in a gas-tight manner by the continuously passing substrate are.
  • the modification cell can be preceded by at least one cleaning cell, in which at least one surface of the substrate or the layer of at least one metal oxide located on at least one surface of the substrate is cleaned by plasma pretreatment.
  • the cleaning cell or the first coating cell can be preceded by at least one oxidation cell, in which at least one layer of at least one metal oxide is produced on at least one surface of the substrate by treating the substrate surface with an oxygen-containing plasma.
  • the oxidation cell can be preceded by at least one cleaning cell, in which the substrate surface is cleaned by plasma pretreatment.
  • the coating cells can further be followed by at least one aftertreatment cell, in which the surface of the layer (B) is treated with a plasma which contains at least one non-plasma-polymerizable reactive compound (C).
  • the device also contains conventional and known feed devices and discharge devices for the starting compounds of the plasma polymerization and for other substances such as inert gases, devices for generating vacuum, heat, cold and plasma, gas-tight locks, mechanical and electrical motors, conveying devices for the Substrate and the
  • the device In the method according to the invention, the device
  • a layer (B1) is produced by plasma polymerization of at least one element-organic compound (B1),
  • Layer (B1) generates a layer (B2) by plasma polymerization of at least one mixture (B2) of at least one element-organic compound (B1) and at least one organic compound (B3)
  • Layer (B2) a layer (B3) generated by plasma polymerization of at least one organic compound (B3).
  • the method according to the invention is preferably carried out by
  • the plasma polymer coatings according to the invention in particular the post-treated plasma polymer coatings according to the invention, with another plasma polymer layer, an adhesive layer, a lacquer, a film or a foam layer immediately after their production.
  • Suitable further plasma polymer layers can be produced, for example, from the starting compounds (B1) and / or (B3) described above.
  • Suitable adhesive layers can be produced, for example, from the customary and known one- or multi-component adhesives.
  • Suitable paints can be made, for example, from customary and known, pigmented and unpigmented, physically curable, thermally self-curing, thermally crosslinkable, radiation-curable or thermally and radiation-curable (dual-cure) electrocoat materials, conventional or aqueous one- or multi-component paints, in essential or completely water and solvent-free liquid single or multi-component paints (100% systems), essentially or completely water and solvent-free solid single or multi-component powder coatings or aqueous dispersions of solid single or multi-component powder coatings (powder slurries).
  • suitable films are from German patent applications DE 195 35 934 AI, DE 195 17 069 AI, DE 195 17 067 AI or DE 195 17 068 AI or European patent applications EP 0 352 298 AI, EP 0 285 071 AI or EP 0 266 109 AI known.
  • Suitable foam layers consist of foams i. S. from DIN 7726: 198205. These are materials with open and / or closed cells distributed over their entire mass and a bulk density that is lower than that of the framework substance. Elastic and soft elastic are preferred
  • Substrates, plasma polymer coatings and lacquers according to the invention have excellent application properties, in particular excellent corrosion resistance even after mechanical damage and excellent interlayer adhesion.
  • the laminates according to the invention are deformable without being mechanically damaged and without reducing their excellent corrosion resistance and interlayer adhesion.
  • the laminates according to the invention are therefore highly suitable for the production of molded parts, such as those used in the manufacture of automobiles, airplanes, ships, furniture, doors, windows, cladding for buildings in the interior and exterior, components and housings for machines of all kinds or Containers and packaging are used.
  • Fig. 2 shows schematically the deposition of a
  • Fig. 6 shows the. Dela ination progress one
  • Fig. 1 Area of galvanized steel sheet.
  • Fig. 1 a galvanized steel sheet is shown, which was cleaned by ten-minute oxygen plasma treatment on the surface. This leads to the formation of a zinc oxide or zinc oxyhydroxide cover layer.
  • the plasma polymer coating is deposited on this cover layer according to the following process steps:
  • All treatment steps are carried out one after the other in the same reactor, i.e. the substrates do not have to be exposed to the laboratory atmosphere in the meantime, which means that contamination of the surface between these steps can be excluded.
  • the pure HMDSI plasma polymer separated in the first step offers good adhesion properties to the oxidic zinc surface and ensures a corrosion-stable connection via polar interactions as well as possible Zn-O-Si bonds.
  • a mixed HMDSI / CHEX plasma polymer follows for the adhesion-promoting layer for the pure CHEX plasma polymer applied in the third treatment step.
  • This pure hydrocarbon plasma polymer is a hydrophobic layer that is impermeable to ions.
  • An important step is the final activation of the plasma polymer surface in the Ar / 0 plasma to increase the surface energy and the paintability of the surface. As a result, oxygen functionalities are built into the surface to which the 2-component epoxy-amine primer used for the final coating can covalently bind.
  • the deposition zone is provided here with a plasma zone sealed by rolling for cleaning the galvanized steel sheet. The cleaning can take place in an argon, oxygen, hydrogen, air or water vapor plasma or in a plasma mixture of these gases.
  • the deposition zone is followed by a plasma zone for activating the plasma polymer surface.
  • An oxygen, air, water vapor or nitrogen plasma or a plasma mixture of these gases can be used for the activation.
  • the dwell times of the galvanized steel substrate in the individual plasma zones and thus the achievable layer thicknesses depend mainly on the belt speed and the expansion of the plasma zone.
  • Fig. 3 is the infrared reflection absorption spectrum (IRRAS) of an electrolytically galvanized 1 1
  • a zinc surface cleaned with an argon plasma was exposed to a microwave glow discharge, which was generated with the aid of a linear source, in a carbon dioxide atmosphere.
  • the result was a zinc carbonate-containing layer with a thickness of 5 nm.
  • the presence of the carbonate groups could be detected by FTIR spectroscopy using the characteristic signal of the ZnC0 3 groups in addition to the signals of the Zn (OH) 2 groups and the ZnO groups become.
  • Photoelectron spectra (ESCA) of the layer (A2) showed the characteristic signal of carbon in carbonate (C0 3 2 ⁇ ), corresponding to a binding energy of 290.5 eV.
  • a zinc surface cleaned with an argon plasma was exposed to a microwave glow discharge, which was generated with the aid of a linear source, in a pure oxygen atmosphere.
  • the result was a zinc oxide layer with a thickness of 5 nm.
  • the oxidic nature of the layer could be verified with the FTIR spectroscopy using the characteristic signal of the ZnO groups. No signals from HO groups and Zn (OH) 2 groups were observed.
  • the substrate with the layer (AI) of preparation example 1 was used.
  • the substrate with the layer (A2) of preparation example 2 was used.
  • Examples 1 and 2 The result was plasma polymer coatings according to the invention (Examples 1 and 2) and a plasma polymer coating not according to the invention (comparative experiment V 1) with plasma polymer layers (B) with a thickness of 20 nm.
  • the substrate with the inventive plasma polymer coating of example 1 was used.
  • the substrate with the plasma polymer coating of example 2 according to the invention was used.
  • the substrate with the plasma polymer coating of the comparative test V 3 not according to the invention was used.
  • Plasma polymer coatings of Examples 3 and 4 and Comparative Experiments V 2 and V 3 were partially covered with an adhesive tape immediately after their preparation, after which the adhesive tape and the free surface of the polymer coatings (Examples 3 and 4 and Comparative Experiment V 2) and the free metal surface (Comparative Experiment V 3) were coated with a two-component clear lacquer based on epoxy amine. After the layers of paint had hardened, the adhesive tapes were removed. Since the coatings did not adhere to the adhesive tapes, defined defects resulted on the peeling off between the plasma polymer coating and the coating (examples 3 and 4 and comparative test V 2) or between the metal surface and the coating (comparative test V 3).

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

La présente invention concerne un revêtement de polymère à plasma multicouche appliqué sur un substrat, contenant, disposées les unes sur les autres dans l'ordre indiqué: (A) au moins une couche recouvrant au moins une surface du substrat et qui peut être réalisée par traitement de la surface métallique du substrat ou d'au moins une couche recouvrant la surface métallique du substrat et comprenant au moins un oxyde métallique, avec un plasma contenant de l'eau et/ou du dioxyde de carbone; et (B) au moins une couche comprenant au moins un polymère à plasma pouvant être produit par polymérisation par plasma des composés initiaux suivants dans l'ordre indiqué: (B1) au moins un composé à élément organique; (B2) au moins un mélange comprenant au moins un composé à élément organique (B1) et au moins un composé organique (B3); et (B3) au moins un composé organique. Cette invention concerne également un procédé permettant la production dudit revêtement grâce à un (pré)traitement au plasma et à une polymérisation par plasma, ainsi que son utilisation en tant que couche de protection contre la corrosion et/ou couche adhésive.
PCT/EP2002/000800 2001-01-25 2002-01-25 Revetement de polymere a plasma multicouche, son procede de realisation et son utilisation WO2002059051A2 (fr)

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AU2002228069A AU2002228069A1 (en) 2001-01-25 2002-01-25 Multi-layered plasma polymer coating, method for the production and use thereof

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DE2001103460 DE10103460B4 (de) 2001-01-25 2001-01-25 Mehrschichtige Plasmapolymerbeschichtung, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10103460.1 2001-01-25

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WO2007135092A1 (fr) 2006-05-18 2007-11-29 Thyssenkrupp Steel Ag Tôle d'acier munie d'un système de protection contre la corrosion et procédé de revêtement d'une tôle d'acier avec un tel système de protection contre la corrosion
DE102013219337B3 (de) * 2013-09-25 2015-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Plasmapolymerer Festkörper, insbesondere plasmapolymere Schicht, deren Herstellung sowie deren Verwendung als Korrosionsschutz

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US20090110833A1 (en) * 2007-10-31 2009-04-30 Gala Industries, Inc. Method for abrasion-resistant non-stick surface treatments for pelletization and drying process equipment components
US8080196B2 (en) * 2008-02-12 2011-12-20 Gala Industries, Inc. Method and apparatus to achieve crystallization of polymers utilizing multiple processing systems

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