EP2504399A1 - Procédé de fabrication de revêtements contenant des polymères - Google Patents

Procédé de fabrication de revêtements contenant des polymères

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Publication number
EP2504399A1
EP2504399A1 EP10793184A EP10793184A EP2504399A1 EP 2504399 A1 EP2504399 A1 EP 2504399A1 EP 10793184 A EP10793184 A EP 10793184A EP 10793184 A EP10793184 A EP 10793184A EP 2504399 A1 EP2504399 A1 EP 2504399A1
Authority
EP
European Patent Office
Prior art keywords
polymer
ion source
carbonate
calcium
containing coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10793184A
Other languages
German (de)
English (en)
Inventor
Sabrina Montero Pancera
Robert Wengeler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to EP10793184A priority Critical patent/EP2504399A1/fr
Publication of EP2504399A1 publication Critical patent/EP2504399A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
    • C09D5/1612—Non-macromolecular compounds
    • C09D5/1618—Non-macromolecular compounds inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
    • C01F11/183—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds the additive being an organic compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/36—Pearl essence, e.g. coatings containing platelet-like pigments for pearl lustre
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20—Diluents or solvents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/68—Particle size between 100-1000 nm
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/69—Particle size larger than 1000 nm
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Definitions

  • the present invention relates to a process for the production of polymer-containing coatings for surfaces by in-situ precipitation of calcium carbonate. Furthermore, the invention is directed to the polymer-containing coating as such and to surfaces to which such polymer-containing coatings are applied. Preferably, the polymer-containing coatings have antibacterial activity.
  • Coatings are generally understood to mean a (usually) firmly adhering layer of a substance that adapts to the shape of a surface. Coatings are important for a variety of uses such as in medicine, materials or shipping.
  • nano-coating refers to the deposition of particles on the nanometer scale on surfaces, for example as spray or sputter coatings.
  • Sputtering usually refers to the splitting of a liquid into very fine droplets as an aerosol (mist) in a gas (usually air).
  • the aerosol can either consist of drops, which all have the same diameter - monodisperse spray - or different sized drops, in this case one speaks of a polydisperse spray.
  • the atomizer-induced mean drop size is crucial for the production of a nano-coating. In principle, it is possible to coat all types of surfaces, such as, for example, metals, glass, textiles, plastics and minerals.
  • a nano-coating can be used, for example, in the sanitary sector, in implants, as an anti-fingerprint coating on screens, as a self-cleaning house facade or as paint protection for cars. Since coatings usually have to fulfill the task of protecting a surface against attack by bacteria, fungi or algae and thus preventing the decomposition of the surface, the demand for coatings with fungicidal, antibacterial, algicidal or antimicrobial action is increasing. Podsiadlo et al. (Langmuir 2005, 21 (25), 1 1915-1 1921) describes the production of a layer-by-layer structure of pearlescent nanostructure materials with antimicrobial properties.
  • the coating comprises polymeric components such as polydiallyldimethylammonium chloride, polyacrylic acid, modified
  • Sodium montmorillonite and sodium cloisite as adjuvants.
  • the coating is by means of made of a repeated dipping process.
  • the antibacterial effect of the coating is achieved by the addition of silver nanoparticles.
  • US 2007/0254141 describes thin films which have nanostructure.
  • the synthesis is carried out via a concerted vapor diffusion sol-gel method that occurs spontaneously at room temperature and yields an ordered semiconductor material such as high purity barium titanate without the use of organic, biological or biochemical templates.
  • the resulting materials are semiconductor, photoconductor, photoelectro, electro-optic or battery materials.
  • the synthetic strategy is based on a biologically inspired cryogenic method that performs the hydrolytic catalysis of molecular precursors in close association with the growth of the semiconductor material. By temperature variation, different nanoparticle sizes and structures can be obtained.
  • US 2008/0273206 describes a process for biomimetic mineralization of calcium phosphate.
  • EP-A 1835053 describes a process for producing environmentally friendly biominerals, such as mother of pearl, which have an organized crystal structure.
  • biogenic calcium carbonate is produced in crystalline form on an organic matrix using a special crystallization membrane in vitro.
  • a disadvantage of the previous methods is that they can not be used for a large-area coating since coating methods are usually carried out as immersion methods. Furthermore, they require expensive equipment or additional energy for temperature decreases or temperature increases and a considerable amount of time. In addition, antibacterial coatings produced according to the prior art usually additionally contain silver or other heavy metals which pollute the environment or are even toxic.
  • the invention is therefore based on the object to provide a method with which in the least possible time and cost the sustainable coating of surfaces on a large scale and large scale is made possible, wherein the polymer-containing coating produced should preferably be effective antibacterial.
  • the object is achieved by providing a method for the production of polymer-containing coatings for surfaces, characterized in that at least one polymer and formed by in situ precipitation crystalline calcium carbonate are applied to a surface, wherein as starting materials for the crystalline calcium carbonate at least one Calcium ion source and at least one carbonate ion source can be used.
  • the method according to the invention produces antibacterial polymer-containing coatings.
  • it is an antibacterial, polymer-containing coating with bactericidal action.
  • an antibacterial agent coating
  • the skilled person means an agent that at least partially or completely kills or eliminates bacteria or prevents the growth and multiplication of bacteria.
  • a means having a bactericidal action a person skilled in the art will understand an agent which kills bacteria.
  • At least one calcium ion source and at least one carbonate ion source are used according to the invention.
  • a calcium ion source and a carbonate ion source are used.
  • the calcium ion source and the carbonate ion source according to the invention initially provided spatially separated from each other.
  • the calcium ion source and the carbonate ion source are combined according to methods known to those skilled in the art for in situ precipitation of crystalline calcium carbonate.
  • the in-situ precipitation preferably takes place directly on the surface (to be coated) or in the immediate vicinity of the surface, for example at a distance of not more than 1 meter.
  • the in-situ precipitation takes place at a distance of less than 20 cm from the surface.
  • the calcium ion source and the carbonate ion source are spatially separated from each other, but at the same time, subjected to a spraying process, in particular a sputtering process.
  • a spraying process in particular a sputtering process.
  • the in-situ precipitation of the crystalline calcium carbonate takes place directly on the surface.
  • in-situ precipitation does not mean a precipitation process which comprises a dipping process or a membrane process.
  • the calcium ion source calcium salts such as calcium chloride, calcium fluoride, calcium bromide, calcium iodide, calcium sulfate, calcium sulfide, calcium hydroxide, particularly preferred is calcium chloride.
  • other calcium ion sources known to those skilled in the art may also be used.
  • Alkali metal carbonates such as lithium carbonate, sodium carbonate, sodium bicarbonate, potassium carbonate, rubidium carbonate and cesium carbonate can be used as the carbonate ion source, with the use of sodium carbonate in particular being preferred.
  • other carbonate ion sources known to those skilled in the art may also be used.
  • the concentration of calcium ions in the respective calcium ion source may be 0.01 to 4.0 mol / L.
  • the concentration of calcium ions in the respective calcium ion source is 0.1 to 1.0 mol / L.
  • the concentration of carbonate ions in the respective carbonate ion source may be 0.01 to 4.0 mol / L.
  • the concentration of carbonate ions in the particular carbonate ion source is preferably from 0.1 to 1.0 mol / L.
  • the calcium ion source and / or the carbonate ion source independently contain at least one solvent.
  • This solvent is preferably water or an alcohol, more preferably water.
  • At least one polymer is applied to the surface to be coated, preferably a polymer is used.
  • the polymer is applied by the methods known to the person skilled in the art, for example by a spray method, in particular a sputtering method.
  • the polymer can be applied to the surface spatially and / or temporally separated or together with the calcium carbonate formed by in situ precipitation.
  • the application of polymer and in-situ precipitated calcium carbonate is carried out together.
  • the polymer may be partially or completely combined, for example mixed, with the calcium ion source and / or the carbonate ion source prior to application.
  • the polymer may also be provided partially or completely spatially separate from the calcium ion source and / or the carbonate ion source
  • all polymers known to the person skilled in the art can be used as polymers.
  • Preferably used are polymers selected from the group consisting of polyglycidols, polyglycidol derivatives, polyglycerols, polyglycerol derivatives, linear or modified polyacrylic acids, copolymers of maleic acid and acrylic acid, polyalkylamines, polyalkenylamines, quaternary ammonium polymers, hyperbranched polyesters and block co-polymers.
  • Block co-polymers used are calcium carbonate-forming block copolymers, for example PEO-b-PMAA (poly (ethylene oxide) -block-poly (methacrylic acid)).
  • PEO-b-PMAA poly (ethylene oxide) -block-poly (methacrylic acid)
  • proteins that control calcium carbonate formation such as lustrin, perlucin, ovocleidin, or ansocalcin, can also be used.
  • the precipitated by the inventive method in-situ calcium carbonate preferably has a crystal size of less than 10 ⁇ , in particular of less than 1 ⁇ .
  • crystal sizes smaller than 1 ⁇ m can be obtained.
  • the production of a nano-coating is possible.
  • the ratio of calcium ions to carbonate ions may be from 10: 1 to 1:10, and the ratio of calcium ions to carbonate ion to polymer may be from 1: 1 to 100: 1.
  • the ratio of calcium ions to carbonate ions to polymer is 10: 10: 1.
  • the ratio between the polymer and in situ precipitated calcium carbonate can be used to control the properties of the polymer-containing coating according to the invention on the surface.
  • polymer-containing coatings are formed which contain in-situ precipitated calcium carbonate having an aragonite structure.
  • the crystal morphology of the resulting crystalline calcium carbonate in the preferably antibacterial polymer-containing coating can advantageously be controlled directly.
  • the polymer influences or limits the crystal growth here.
  • the polymer-containing coating can be adapted to different surfaces and to different uses. So optimal tuning to different application areas is For example, in medicine or in the field of materials, exterior or interior, but also the targeted production of a nano-coating possible.
  • the inventive, preferably antibacterial, polymer-containing coating can be used in particular for the coating of ship hulls.
  • a coating containing at least one polymer and crystalline calcium carbonate is provided on a surface.
  • the thickness of the polymer-containing coatings of the invention which preferably have antibacterial properties, can be between 0.1 and 100 ⁇ m.
  • At least one polymer and crystalline calcium carbonate formed by in-situ precipitation are applied to a surface by spraying on the starting materials and / or the polymer, at least one calcium ion source and at least one calcium ion source being used as educts for the crystalline calcium carbonate Carbonation source can be used.
  • at least one calcium ion source and at least one calcium ion source being used as educts for the crystalline calcium carbonate Carbonation source can be used.
  • adhesion promoters are known to the person skilled in the art.
  • the coating process according to the invention may in one embodiment additionally comprise at least one of the following steps: a) atomizing at least one polymer, at least one calcium ion source and / or at least one carbonate ion source, where at least one polymer is present in at least one calcium ion source and / or in at least one a carbonate ion source is included;
  • the steps a) to c) run cyclically and / or the steps a) and b) are interchangeable in the order.
  • the application of the calcium ion source and / or the carbonate ion source may preferably be carried out from a solution by sputtering simultaneously or sequentially.
  • the production of a preferably antibacterial, polymer-containing coating can be carried out using an atomizer.
  • atomizers for example, single-component atomizers, two-component atomizers (in which case the atomization is carried out with a pressurized gas, such as air or nitrogen) or special ultrasonic or electrostatic atomizers may be used.
  • the atomization may also be accomplished by two or more separate atomizers, or by a design that allows the atomization of two liquids with a single atomizer (for example, a ternary nozzle with propellant air). Preference is given to using pressure atomizers or three-component nozzles.
  • the atomization temperature can be between 20 ° C and 200 ° C. Preference is given to temperatures between 20 ° C and the boiling point of the solvent used.
  • the drying process of the polymer-containing coating which optionally completes the process is preferably carried out at temperatures between 20 and 200.degree. Particularly preferred are drying processes that can be carried out at low temperatures.
  • a polymer-containing coating with a mother of pearl and / or lotus effect can be produced.
  • This property can have the effect of obtaining a dazzling glossy, planar polymer-containing coating and / or a water and dirt repellent polymer-containing coating.
  • the polymer-containing coating according to the invention is likewise distinguished by a high scratch resistance. A particularly high scratch resistance of the polymer-containing coating can be achieved if the coating process takes place by means of a spray process.
  • a multilayer, at least two-layer, polymer-containing coating is obtained, which has a repetitive, organized structure, wherein the structure and / or morphology of the coating does not change over the height, but remains the same in the individual layers or at least (strongly) looks similar.
  • a very durable, durable and durable polymer-containing coating can be produced by a unique, cyclically switched process.
  • this embodiment is carried out as a spraying process.
  • further active substances such as antimicrobial substances.
  • Examples include silver or tin compounds, but also effective antimicrobial substances from the class of fungicides, algicides, herbicides, bacteriocides or antivirals.
  • further additives or effect substances examples thereof may be substances selected from the group of dyes or pigments, fluorescent substances, colloid substances, plasticizers, stabilizers or UV protectants.
  • Another object of the present invention is a polymer-containing coating which can be produced by the process according to the invention.
  • Another object of the present invention is a surface on which a polymer-containing coating can be produced by the method according to the invention can be applied.
  • a further subject of the present invention comprises the polymer-containing coating, which can be produced by the process according to the invention, and / or surfaces which are coated with a polymer-containing coating which can be prepared by the process according to the invention and can have an antibacterial effect.
  • all surfaces such as, for example, metals, glass, textiles, plastics and minerals, can be provided with the novel, calcium carbonate-based, preferably antibacterial, polymer-containing coating.
  • the polymer-containing coatings produced according to the invention and preferably having an antibacterial effect can be used, for example, as coating of ship hulls, coatings of underwater measuring devices, immersion probes and immersion capsules, buoys, oil drilling platforms, coating of wind turbines.
  • Example 1 Through a peristaltic pump (Ismatec) with pump head for two tubing, a Schlick three-fluid nozzle is charged with two different solutions. This is mounted at a distance of 10 cm to the vertical slide (glass).
  • the general preparation coating comprises three process steps:
  • Spray coating spraying the slide (glass slide for microscopy) with two educt solutions which reacted to CaC0 3 directly on the surface of the slide.
  • steps 1 - 2 or 1 - 3 are repeated several times.
  • Coating times (step 1) are varied in the range of 5 s to 60 min, the focus being on times between 5 s and 60 s.
  • Solution 1 Aqueous Na 2 C0 3 solution with polyacrylic acid (Sokalan PA 30,
  • Solution 2 Aqueous CaCl 2 solution with polyethylenimine (PEI) (Lupasol WF;
  • the concentration of Ca 2+ and C0 3 2 " is varied in the range of 0.01 - 1 mol / L, whereby the abrasion stability is achieved at concentrations of 0.1 mol / L.
  • the ratio of the ions Ca 2+ : C0 3 2 " : COO " is selected to be 10: 10: 1 and 10: 10: 10.
  • PEI polyethyleneimine
  • Solution 1 0.1 mol / L Na 2 C0 3 + 0.1 mol / L COO " Solution 2: 0.1 mol / L CaCl 2 + 20 g / L PEI.
  • the coating is subjected to SEM images and atomic force microscopic examinations. These result in roughness (measurements on three different samples - a) to c) - intermittent contact mode, 8 ⁇ ⁇ 8 ⁇ , determination of root mean square roughness Rq and Waviness Wq)
  • d_medium sample 1 190 nm ⁇ 10 nm
  • d_medium sample 2 150 nm ⁇ 12 nm
  • d_p 67 nm ⁇ 3 nm
  • Solution 1 0.1 mol / L Na 2 C0 3 + 0.1 mol / L COO " Solution 2: 0.1 mol / L CaCl 2 + 20 g / L PEI.
  • the coating is subjected to evaluation SEM images and scanning microscopy for evaluation. These result in roughness (measurements on three different samples - a) to c) - intermittent contact mode, 8 pm ⁇ 8 ⁇ , determination of root mean square roughness Rq and Waviness Wq)
  • d_medium sample 1 185 nm ⁇ 1 1 nm
  • d_medium sample 2 152 nm ⁇ 9 nm
  • Solution 1 0.1 mol / L Na 2 C0 3 + 0.1 mol / L COO " Solution 2: 0.1 mol / L CaCl 2 + 20 g / L PEI.
  • d_p 58 nm ⁇ 3 nm.
  • the examples show that a scratch-resistant and even coating is possible via the spray method according to the invention.
  • the analyzes show that nanoscale Ca 2 C0 3 crystallites are obtained via the process shown and that these are embedded in a polymer matrix.

Abstract

La présente invention concerne un procédé de fabrication de revêtements contenant des polymères pour surfaces par précipitation in situ de carbonate de calcium. L'invention concerne également le revêtement contenant des polymères en tant que tel, ainsi que des surfaces sur lesquelles de tels revêtements contenant des polymères sont appliqués. Les revêtements contenant des polymères présentent de préférence une action antibactérienne.
EP10793184A 2009-11-27 2010-11-26 Procédé de fabrication de revêtements contenant des polymères Withdrawn EP2504399A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10793184A EP2504399A1 (fr) 2009-11-27 2010-11-26 Procédé de fabrication de revêtements contenant des polymères

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09177306 2009-11-27
PCT/EP2010/068273 WO2011064323A1 (fr) 2009-11-27 2010-11-26 Procédé de fabrication de revêtements contenant des polymères
EP10793184A EP2504399A1 (fr) 2009-11-27 2010-11-26 Procédé de fabrication de revêtements contenant des polymères

Publications (1)

Publication Number Publication Date
EP2504399A1 true EP2504399A1 (fr) 2012-10-03

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Application Number Title Priority Date Filing Date
EP10793184A Withdrawn EP2504399A1 (fr) 2009-11-27 2010-11-26 Procédé de fabrication de revêtements contenant des polymères

Country Status (6)

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CN102630245A (zh) 2012-08-08
US9011979B2 (en) 2015-04-21
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CN102630245B (zh) 2014-10-08
JP5748763B2 (ja) 2015-07-15
KR20120117760A (ko) 2012-10-24
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