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WO2022063939A1 - Composition de traitement de surfaces à plusieurs composants - Google Patents

Composition de traitement de surfaces à plusieurs composants Download PDF

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Publication number
WO2022063939A1
WO2022063939A1 PCT/EP2021/076279 EP2021076279W WO2022063939A1 WO 2022063939 A1 WO2022063939 A1 WO 2022063939A1 EP 2021076279 W EP2021076279 W EP 2021076279W WO 2022063939 A1 WO2022063939 A1 WO 2022063939A1
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WO
WIPO (PCT)
Prior art keywords
coating solution
cleaning solution
component composition
composition according
cleaning
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.)
Ceased
Application number
PCT/EP2021/076279
Other languages
German (de)
English (en)
Inventor
Matthias Wackerbauer
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.)
MWK Bionik GmbH
Original Assignee
MWK Bionik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MWK Bionik GmbH filed Critical MWK Bionik GmbH
Priority to EP21783220.3A priority Critical patent/EP4232416A1/fr
Publication of WO2022063939A1 publication Critical patent/WO2022063939A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
    • C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
    • C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/001—General methods for coating; Devices therefor
    • C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
    • 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
    • C09D5/23—Magnetisable or magnetic paints or lacquers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/212—TiO2
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/213—SiO2
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/217—FeOx, CoOx, NiOx
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/218—V2O5, Nb2O5, Ta2O5
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/219—CrOx, MoOx, WOx
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
    • C03C2217/44—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the composition of the continuous phase
    • C03C2217/445—Organic continuous phases
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
    • C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
    • C03C2217/47—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase consisting of a specific material
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
    • C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
    • C03C2217/47—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase consisting of a specific material
    • C03C2217/475—Inorganic materials
    • C03C2217/477—Titanium oxide
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
    • C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
    • C03C2217/47—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase consisting of a specific material
    • C03C2217/475—Inorganic materials
    • C03C2217/478—Silica
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
    • C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
    • C03C2217/48—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase having a specific function
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2068—Ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3947—Liquid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/261—Alcohols; Phenols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—Carboxylic acids or salts thereof

Definitions

  • the present invention relates to a multi-component surface treatment composition comprising a cleaning solution and a coating solution which are separate from each other, and a surface treatment kit.
  • the present invention relates to a method for treating surfaces using the multi-component composition or the kit and the use of the multi-component composition and the kit.
  • Black mushrooms are found all over the world, including the North and South Poles, the peaks of K2 and hot desert regions, as they are highly resistant to heat, dehydration, cold and UV radiation. It has long been known that black fungi, together with cyanobacteria - as dark colonies the size of a pinhead - settle after just a few years on solid, natural and artificially produced organic surfaces or on glass surfaces and form so-called biofilms on them, possibly together with green algae. This is not just an aesthetic issue.
  • the cleaned surface were given a protective layer that is gentle on the material and at the same time ensures a lasting cleaning and protective effect for the surface.
  • the service life and performance of the modules could be increased in this way.
  • One object of the present invention is therefore to provide an agent that makes it possible to clean natural and artificially produced organic surfaces and glass surfaces gently and without exerting pressure and to remove inorganic and organic contaminants equally efficiently.
  • a further object of the present invention is to provide an agent with a deep-cleaning effect, which also efficiently and thoroughly cleans damage already present on the surface, such as cracks, etc.
  • Another object of the present invention is to provide an agent which acts as a surface disinfectant and renders organisms such as black fungus, algae, moss, cyanobacteria, etc. harmless.
  • Another object of the present invention is to provide an agent that is gentle on the material and at the same time develops a lasting and preventive protective and cleaning effect on the surface.
  • a further object of the present invention is to provide a means that increases the service life and the output of solar or PV modules and thus increases the efficiency and profitability of PV systems, including those that already exist.
  • a further object of the present invention is to provide such an agent which is safe for humans, animals and plants.
  • a further object of the present invention is to provide a method and/or a kit which achieves one or more of the objects mentioned above.
  • a multi-component composition for surface treatment in particular for the treatment of natural and artificially produced organic surfaces and glass surfaces, which comprises a cleaning solution and a coating solution that are separate from one another, the cleaning solution comprising at least one inorganic peroxide compound and at least one organic acid and wherein the coating solution comprises at least one photoactive substance, at least one magnetotactic microorganism, at least one phototrophic microorganism, at least one antifungal microorganism and at least one optical brightener.
  • the multi-component composition according to the invention advantageously enables an efficient, lasting and preventive cleaning effect against inorganic and organic contamination on natural and artificially produced organic surfaces and on glass surfaces, which is supported by bioactive microorganisms in a natural and environmentally friendly manner.
  • the multi-component composition advantageously increases the service life and output of the modules when treating surfaces of solar or PV modules.
  • the cleaning solution according to the invention acts as an oxidative cleaning agent that removes hardening and dirt, in particular organic dirt, on the surface to be treated and also in cracks or other damage penetrates.
  • the coating solution according to the invention causes the formation of a microbiological coating on the surface, which is gentle on the material and at the same time develops a sustainable and continuous self-cleaning and protective effect by an interaction of catalytic photoreaction (photocatalysis) and biocatalytic Processes that reduce the formation and hardening of organic as well as inorganic contaminants.
  • the performance of the modules can be increased and efficiency losses avoided in the long term.
  • the present invention also relates to a kit for surface treatment, in particular of natural and artificially produced organic surfaces and glass surfaces, the kit comprising: a cleaning solution which comprises at least one inorganic peroxide compound and at least one organic acid, and a coating solution which comprises at least one photoactive Substance comprises at least one magnetotactic microorganism, at least one phototrophic microorganism, at least one microorganism with antifungal activity and at least one optical brightener.
  • the present invention also relates to a method for treating surfaces, in particular for treating natural and artificially produced organic surfaces and glass surfaces, using the multi-component composition according to the invention or the kit according to the invention, which comprises the steps:
  • the subject matter of the present invention is also the use of the multi-component composition according to the invention or of the composition according to the invention Kits for treating natural and artificially produced organic surfaces and glass surfaces, in particular for treating the surface of solar or photovoltaic modules, and the use of the cleaning solution for producing a kit.
  • the cleaning solution according to the invention and the coating solution according to the invention are of a liquid nature and are present in particular as homogeneous solutions.
  • the cleaning solution according to the invention and the coating solution according to the invention are liquid and contain water, preferably softened water, as the main solvent, ie they are aqueous solutions in each case.
  • softened water should be understood to mean both deionized water, demineralized water and distilled water.
  • the coating solution contains at least one photoactive substance.
  • a photoactive substance is understood to mean a substance which forms radicals, in particular hydroxyl radicals, by absorbing UV light in particular, and can therefore act as a catalyst in a photocatalytic reaction (photocatalysis).
  • photocatalysis The phenomenon of photocatalysis is well known to those skilled in the art, for example from V. Parmon, et al.: IUPAC Glossary of Terms in Photocatalysis and Radiocatalysis, International Journal of Photoenerg, Vol. 4, 2002, 91-131.
  • the photoactive substance is preferably selected from metal oxide and semimetal oxide particles, with particles of titanium dioxide, silicon dioxide, iron (II, III) oxide ("magnetite"), manganese oxide, nickel oxide, cobalt oxide, molybdenum oxide and selenium oxide, and mixtures thereof, especially are preferred.
  • titanium dioxide particles and silicon dioxide particles, as well as a mixture thereof, are very particularly preferred according to the invention, since these have a high photocatalytic activity per unit weight or volume and are therefore the most efficient in terms of photocatalysis.
  • Most preferred in this regard are titanium dioxide particles, especially in the anatase modification.
  • the metal oxide and semimetal oxide particles preferably have an average particle size (D50) of 0.5 to 2 ⁇ m, particularly preferably of about 1.0 ⁇ m, measured by a standard method in which a measuring instrument HELOS from Sympatec GmbH corresponds to the manufacturer's information was used.
  • D50 average particle size
  • the coating solution or, after application of the coating solution to the surface to be treated the coating formed has a photocatalytic activity. This means that the radicals formed during the photocatalysis by absorption in particular of UV light, in particular hydroxyl radicals, chemically attack organic impurities on the surface and in their depressions and at least partially decompose them. The organic contaminants activated in this way can then easily be biodegraded by the microorganisms contained in the coating solution or coating and ultimately metabolized into carbon dioxide and water.
  • the amount of the at least one photoactive substance in the coating solution is preferably in a range from 0.001 to 0.3% by weight, more preferably from 0.01 to 0.1% by weight, particularly preferably from 0.02 to 0. 08% by weight, and most preferably from 0.04 to 0.06% by weight based on the total weight of the coating solution.
  • a lower concentration of photoactive substance in the coating solution than 0.001% by weight leads to insufficient photocatalytic activity of the coating solution or the coating. If the concentration of photoactive substance in the coating solution is higher than 0.3% by weight, undesired streaking can occur on the coated surface.
  • the coating solution contains at least one microorganism from the group of magnetotactic microorganisms, at least one microorganism from the group of phototrophic microorganisms and at least one microorganism with an antimycotic effect.
  • the magnetotactic microorganisms used according to the invention are preferably magnetotactic bacteria, i.e. mobile, anaerobic or microaerophilic bacteria that contain ferromagnetic iron oxide (magnetite) or iron sulfide (greigite) in crystalline form as particles, so-called magnetosomes, the diameter of which is about 40 to is 90nm. These particles give the bacteria the ability to orient themselves according to the earth's magnetic field and, together with the photoactive substance contained in the coating solution, can have a photocatalytic effect, i.e. form hydroxyl radicals that react with impurities and activate them for microbial degradation.
  • magnetotactic bacteria i.e. mobile, anaerobic or microaerophilic bacteria that contain ferromagnetic iron oxide (magnetite) or iron sulfide (greigite) in crystalline form as particles, so-called magnetosomes, the diameter of which is about 40 to is 90nm. These
  • Preferred representatives of the magnetotactic bacteria used according to the invention are bacteria of the genera such as Aquaspirillum or Magnetospirillum, including but not limited to the species Magnetospirillum magnetotacticum and, preferably, Magnetospirillum gryphiswaldense.
  • the phototrophic microorganisms used according to the invention include both obligatory and facultative phototrophic microorganisms. Preference is given to using optionally phototrophic microorganisms, i.e. microorganisms which can grow both under anaerobic conditions in the light and under aerobic conditions in the dark.
  • the microorganisms according to the invention can be both photolithotrophic and photoorganotrophic.
  • the phototrophic bacteria which can be used in the present invention include gram-negative aerobic, rod-shaped and circular bacteria, and gram-positive circular bacteria. These can have endospores or be present without spores.
  • Phototrophic bacteria suitable according to the invention are, for example, but not limited to, purple bacteria, green sulfur bacteria, green non-sulfur bacteria, beneficial or harmless cyanobacteria, prochlorophytes and bacteria of the Heliobacteriaceae family.
  • Purple bacteria that can be used according to the invention are both purple sulfur bacteria, for example bacteria of the genera Allochromatium, Amoebobacter, Chromatium, Ectothiorhodospira, Halochromatium, Halorhodospira, Isochromatium, Lamprobacter, Lamprocystis, Marichromatium, Rhabdochromatium, Thermochromatium, Thiocapsa, Thiococcus, Thiscystis, Thiodictyon, Thiohalocapsa, Thiolamprovum, Thiodocpedia , Thiorhodovibrio and Thiospirillum, as well as non-sulphur purple bacteria, for example bacteria of the genera Rhodobacter, Rhodocyclus, Rhodoferax, Rhodomicrobium, Rhodopila, Rhodopseudomonas, Rhodoplanes, Rhodobium, Rhodospirillum, Rhodovibrio, Roseos
  • Examples of green sulfur bacteria which can be used in the present invention are bacteria belonging to the genera Chlorobium, Prosthecochloris and Chlorobaculum.
  • Examples of green non-sulfur bacteria which can be used in the present invention are bacteria belonging to the genera Chloroflexus, Oscillochloris and Heliothrix.
  • Examples of cyanobacteria that can be used in the present invention are bacteria of the genus Anabaena, Spirulina and Arthrospira.
  • Examples of prochlorophytes that can be used according to the invention are bacteria of the genera Prochloron, Prochlorothrix, Prochlorococcus.
  • Suitable members of the Heliobacteriaceae family are, for example, bacteria of the genera Heliobacterium, Heliophilum and Heliobacillus.
  • the multi-component composition according to the invention preferably contains in the coating solution a mixture of optionally phototrophic microorganisms comprising cyanobacteria, green sulfur bacteria, purple bacteria, green non-sulfur bacteria such as Chloroflexus and Heliobacteriaceae such as Heliobacillus.
  • three, four, five or six of the bacterial forms mentioned are present in the mixture.
  • the at least one photoactive substance contained acts as an activator in that the radicals generated during the photocatalysis chemically attack organic impurities on the surface to be treated.
  • the activated organic contaminants can then be broken down biologically by the metabolism of the microorganisms contained into harmless compounds such as carbon dioxide and water, whereby the microbiological coating formed develops a sustainable, continuous and environmentally friendly self-cleaning and protective effect at the same time.
  • the coating solution can also contain other microorganisms which have a positive effect on the multicomponent composition according to the invention. These include microorganisms with specific and non-specific antifungal effects. Lactic acid bacteria, sulfate-reducing bacteria, archaea, fungi such as mold and yeast fungi, and algae are preferably used. Examples of lactic acid bacteria suitable according to the invention are those of the genus Lactobacillus, preferably of the species Lactobacillus casei, Lactobacillus plantarum, Lactobacillus delbschreibii, such as Lactobacillus delbschreibii subsp. lactis and bulgaricus, Lactobacillus fructosum, and Lactobacillus sakei.
  • Examples of sulphate-reducing bacteria suitable according to the invention are those of the genera Desulfobacter and Thermodesulfobacterium.
  • Examples of archaea suitable according to the invention are methanogenic archaea such as those of the genus Methanospirillum, for example Methanospirillum hungatei.
  • Examples of fungi suitable according to the invention are those of the genera Kluyveromyces and Penicillium, such as Kluyveromyces marxianus and Penicillium roqueforti.
  • Examples of algae suitable according to the invention are, for example, freshwater algae such as those of the genus Chlorella.
  • Microorganisms of the genera Photobacterium, Allivibrio, Photohabdus, Pseudomonas or Beneckea may also be present to fix nitrogen as well as phosphate and to break down organic matter.
  • the microorganisms mentioned have representatives of lactic acid bacteria, the genus Pseudomonas and Penicilium have an antifungal effect.
  • the microbial antifungal effect is caused both by competition for food and the formation of various biogenic organic compounds that restrict the growth of black fungi.
  • microorganisms mentioned above are predominantly present in the coating solution as living microorganisms, usually in an amount of about 1 ⁇ 10 2 to 1 ⁇ 10 10 CFII/l. All microorganisms used in the coating solution are assigned to the lowest safety category 1 according to TRBA (Technical Rules for Biological Agents) 460 and 466.
  • TRBA Technical Rules for Biological Agents
  • the microorganisms Before they are added to the coating solution, the microorganisms are usually present in a nutrient medium which primarily contains vital nutrients and trace elements and which is added to the coating solution together with the microorganisms. Together, the culture medium and microorganisms form a mass of microorganisms.
  • the term “mass of microorganisms” is therefore understood to mean the total amount of different microorganisms mentioned above, including the nutrient medium.
  • the total mass of microorganisms in the coating solution is preferably in a range from 1 to 30% by weight, preferably from 5 to 25% by weight, particularly preferably from 10 to 25% by weight, based on the total weight of the coating solution.
  • the initial concentration of the microorganisms in the coating may be too low to allow rapid growth of growth on the surface to be treated. If the amount of microorganisms is above this range, the storage stability of the coating solution may be reduced.
  • the coating solution according to the invention contains at least one optical brightener.
  • an optical brightener is a substance that absorbs energy from the electromagnetic spectrum of (sun) light in the non-visible UV range, usually below a wavelength of 400 nm, and this usually in a wider wavelength range re-emits between about 400 to about 480 nm.
  • the optical brightener also causes the coating solution or, after the coating solution has been applied to the surface to be treated, the coating formed, to reduce the total reflection of the (sun) light on the surface to be treated, so that the incident radiation is directed onto the surface and not reflected in the reflection angle.
  • the surfaces of solar cells or photovoltaic modules i.e.
  • the amount of at least one optical brightener in the coating solution is preferably in a range from 0.0001 to 0.01% by weight, preferably from 0.0003 to 0.001% by weight, based on the total weight of the coating solution.
  • a lower concentration of optical brightener leads to a reduced effect or efficiency of the optical brightener in the coating solution or coating.
  • a concentration above this range can lead to an undesirable interaction with the microorganisms contained.
  • optical brightener is not further restricted. All chromophores that emit short-wave light as longer-wave light are suitable.
  • An example of an optical brightener suitable according to the invention is 2,2-(1,2-ethenediyldi-4,1-phenylene)bisbenzoazole (WTH® brightener OB-1), without being limited thereto.
  • a coating solution which comprises: at least one magnetotactic microorganism, at least one microorganism with an antimycotic effect and at least one phototrophic microorganism, at least one photoactive substance, and at least one optical brightener, the mass of microorganisms being 1 to 30% by weight is, which contains at least one photoactive substance in an amount of 0.001 to 0.3% by weight and at least one optical brightener in an amount of 0.0001 to 0.01% by weight is, all based on the total weight of the coating solution, and the balance is water.
  • the coating solution of the multi-component composition according to the invention additionally contains at least one biopolymer, in particular at least one polysaccharide.
  • the polysaccharide is preferably an aminopolysaccharide, preferably a chitin-based aminopolysaccharide, for example chitosan, which can be obtained by the action of alkalis on chitin, or a chitosan derivative such as chitosan lactate.
  • the amount of polysaccharide in the coating solution is preferably in a range from 0.01 to 1.0% by weight, more preferably from 0.03 to 1.0% by weight, particularly preferably from 0.05 to 0.8 % by weight, and most preferably from 0.1 to 0.5% by weight, based on the total weight of the coating solution. If the proportion of polysaccharide in the coating solution is below this range, adhesion of the coating to the surface to be treated may be reduced. If the proportion of polysaccharide is above this range, the surface to be treated may become undesirably sticky.
  • the coating solution also contains at least one additive, preferably at least two additives, selected from surfactants, softeners, evaporation agents, additives to improve the flow and drying behavior, to adjust the viscosity and/or for stabilization, UV stabilizers, Pearlescent agents, corrosion inhibitors, preservatives, bitter substances, organic salts, (structuring) polymers, defoamers, pH adjusters, additives that improve or care for the skin and nutrient solutions for microorganisms, in particular for faster growth of microorganisms on the surface, preferably selected from surfactants, softening agents , evaporating agents, defoamers and nutrient solutions for microorganisms, and preferably in an amount totaling from 0.001 to 2.0% by weight, based on the total weight of the coating solution.
  • the additives can further improve the performance properties of the coating solution or, after application to the surface to be treated, of the coating.
  • a coating solution which comprises: at least one magnetotactic microorganism, at least one microorganism with an antifungal effect and at least one phototrophic microorganism, at least one photoactive substance, at least one optical brightener, at least one polysaccharide, and at least one additive selected from surfactants, softening agents, evaporation agents, additives to improve drainage and drying behavior, to adjust the viscosity and/or for stabilization, UV stabilizers, pearlescent agents, corrosion inhibitors,
  • Preservatives, bitter substances, organic salts, (structuring) polymers, defoamers, pH adjusters, skin feel-improving or caring additives and nutrient solutions for microorganisms the mass of microorganisms being 1 to 30% by weight, the at least one photoactive substance in a Amount of 0.001 to 0.3% by weight, at least one optical brightener in an amount of 0.0001 to 0.01% by weight, at least one polysaccharide in an amount of 0.01 to 1 % by weight and the at least one additive is contained in an amount of 0.001 to 2.0% by weight, each based on the total weight of the coating solution, and the balance is water.
  • the water content of the coating solution is usually at least 70% by weight, preferably 70 to 99% by weight, particularly preferably 75 to 90% by weight, based on the total weight of the coating solution.
  • the pH of the coating solution is in a range from 3 to 5, preferably from 3 to 4, and particularly preferably from 3.3 to 3.7.
  • the multi-component composition according to the invention also includes a cleaning solution which is separate from the coating solution and contains at least one inorganic peroxide compound and at least one organic acid.
  • the at least one inorganic peroxide compound is preferably selected from hydrogen peroxide and peroxides from the group of peroxosulfates (persulfates), such as for example potassium peroxodisulfate (K2S2O8) or ammonium peroxodisulfate ((NH4)2S20S), peroxocarbonates (percarbonates), such as sodium percarbonate, and peroxoborates (perborates), such as sodium perborate, and mixtures thereof, hydrogen peroxide being particularly preferred.
  • peroxosulfates such as for example potassium peroxodisulfate (K2S2O8) or ammonium peroxodisulfate ((NH4)2S20S)
  • peroxocarbonates percarbonates
  • sodium percarbonate sodium percarbonate
  • peroxoborates such as sodium perborate, and mixtures thereof, hydrogen peroxide being particularly preferred.
  • the preferred amount of the at least one inorganic peroxide compound in the cleaning solution according to the invention is in a range from 0.03 to 5% by weight, more preferably from 0.5 to 3% by weight, particularly preferably from 1 to 2% by weight on the total weight of the cleaning solution.
  • the inorganic peroxide compound gives the cleaning solution an oxidative cleaning effect, in particular against organic impurities, as well as a disinfecting effect against germs, bacteria, fungi, spores, etc., with an optimal cleaning and disinfecting effect when applied to the surface to be treated in the claimed concentration range is achieved.
  • the at least one organic acid is preferably selected from aliphatic and aromatic, monobasic and polybasic carboxylic acids and carboxylic acid derivatives and mixtures thereof. Mentioned as non-limiting examples are in particular dipicolinic acid, pyridine-2,6-dicarboxylic acid and citric acid.
  • the amount of the at least one organic acid in the cleaning solution is preferably in a range from 0.01 to 5% by weight, more preferably from 0.01 to 4% by weight, particularly preferably from 0.02 to 3% by weight. based on the total weight of the cleaning solution.
  • the presence of the organic acid improves the cleaning effect of the cleaning solution. If smaller amounts of organic acid are used, the cleaning effect of the cleaning solution is impaired. Using higher amounts of organic acid can lead to increased corrosion.
  • a cleaning solution which contains: at least one inorganic peroxide compound and at least one organic acid, the at least one inorganic peroxide compound being present in an amount of from 0.03 to
  • 5 wt .-% is included and at least one organic acid in an amount of 0.01 to 5% by weight, in each case based on the total weight of the cleaning solution, and the remainder is water.
  • the cleaning solution according to the present invention contains water as the main solvent.
  • At least one alcohol compound can be added to the cleaning solution as a non-aqueous solvent.
  • Suitable alcohol compounds include monohydric or polyhydric alcohols, alkanolamines, glycols and glycol ethers, provided they are miscible with water in the specified concentration range.
  • the at least one alcohol compound is preferably selected from ethanol, n-propanol, i-propanol, n-butanol, i-butanol, t-butanol, glycol, propanediol, butanediol, methylpropanediol, glycerol, diglycol, propyldiglycol, butyldiglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether,
  • ethylene glycol mono-n-butyl ether diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether,
  • the at least one alcohol compound is preferably contained in an amount of 0.1 to 60% by weight, more preferably 5 to 30% by weight, still more preferably 10 to 20% by weight, based on the total weight of the cleaning solution.
  • the cleaning solution preferably contains at least one surface-active compound selected from ionic surfactants, ie anionic and cationic surfactants, nonionic surfactants, amphoteric surfactants, and mixtures thereof, with anionic surfactants and nonionic surfactants being preferred.
  • the amount of surface-active compound in the cleaning solution is preferably from 0.01 to 10% by weight, more preferably 0.1 to 5% by weight, based on the total weight of the cleaning solution. Both the at least one alcohol compound and the at least one surface-active compound can contribute to removing contaminants from the surface to be treated.
  • Suitable compounds from the class of anionic surfactants which can be included in the cleaning solution in accordance with the present invention include, but are not limited to, fatty alcohol ether sulfates, fatty alcohol sulfates, secondary alkane sulfonates, linear alkyl benzene sulfonates and alkyl sulfates.
  • anionic surfactants are known in the prior art.
  • Suitable cationic surfactants include, but are not limited to, quaternary ammonium compounds of the formula (R 1 )(R 2 )(R 3 )(R 4 )N + X; in which R 1 to R 4 are four identical or different, in particular two long-chain and two short-chain, alkyl radicals, typically stearyl, palmityl, methyl, benzyl or butyl radicals, and X is an anion, in particular a halide ion, stand, for example didecyldimethylammonium chloride, alkylbenzyldidecylammonium chloride and mixtures thereof.
  • Such cationic surfactants are known in the art.
  • Nonionic surfactants that may be included in the cleaning solution for the purposes of the present invention include, but are not limited to, alkyl glycosides, fatty alcohol alkoxylates, alkoxylated fatty acid alkyl esters, fatty acid alkanolamides, hydroxy mixed ethers, sorbitan fatty acid esters, polyhydroxy fatty acid amides, amine oxides, and alkoxylated alcohols.
  • Suitable alkyl glycosides are, for example, those of the formula R 5 O-[G] P in which R 5 is linear or branched alkyl having 10 to 16 carbon atoms, G is a sugar radical having 5 or 6 carbon atoms, in particular glucose, to which an alcohol radical or phenol radical is attached a glycosidic bond may be attached and the index p is 1-10.
  • R 5 is linear or branched alkyl having 10 to 16 carbon atoms
  • G is a sugar radical having 5 or 6 carbon atoms, in particular glucose, to which an alcohol radical or phenol radical is attached a glycosidic bond may be attached and the index p is 1-10.
  • Such nonionic surfactants are known in the prior art.
  • Suitable amphoteric surfactants are preferably selected from the group of betaines, in particular of the formula (R 6 )(R 7 )(R 8 )N + CH2COO _ , in which R 6 is an alkyl radical with 8 to 25 carbon atoms which is optionally interrupted by heteroatoms or heteroatom groups and R 7 and R 8 are identical or different alkyl radicals having 1 to 3 carbon atoms, such as C10-C18-alkyl dimethylcarboxymethyl betaine and C11-C17-alkylamidopropyl dimethylcarboxymethyl betaine, but are not limited thereto.
  • Such amphoteric surfactants are known in the prior art.
  • organic peroxides When used as biocides, organic peroxides have a particularly good surface disinfecting effect and can render germs, bacteria, fungi, spores, etc. on the surface to be treated harmless. This effect of the cleaning solution is further enhanced by the presence of at least one organic peroxide.
  • a cleaning solution which contains: at least one inorganic peroxide compound, at least one organic acid, at least one alcohol compound, at least one surface-active compound, and
  • the at least one inorganic peroxide compound being present in an amount of 0.03 to 5% by weight
  • the at least one organic acid being present in an amount of 0.01 to 5% by weight
  • the at least one alcohol compound is contained in an amount of 0.1 to 60% by weight
  • the at least one surface-active compound is contained in an amount of 0.01 to 10% by weight, based in each case on the total weight of the cleaning solution, and the rest is water.
  • the water content of the cleaning solution is usually at least 20% by weight, preferably 20 to 99.85% by weight, particularly preferably 50 to 90% by weight, based on the total weight of the coating solution.
  • the pH of the cleaning solution is in a range from 2 to 3, preferably from 2 to 2.5.
  • the cleaning solution and the coating solution are spatially or physically separate from one another, e.g. in different containers, which makes it possible on the one hand to separate incompatible ingredients from one another and on the other hand it is possible to separate the cleaning solution and the coating solution to be offered in combination, although they can be used at different times.
  • the cleaning solution of the multi-component composition according to the invention described herein has an oxidative cleaning effect and a disinfecting effect. Since it also penetrates any cracks or indentations on the surface, hardening and impurities, especially organic impurities, on the surface to be treated are effectively dissolved or removed and organisms such as black fungi, algae, moss, cyanobacteria, etc. are rendered harmless.
  • an increase in the performance of the modules can be achieved as a result.
  • the coating solution of the multi-component composition according to the invention described here brings about the formation of a coating on the surface to be treated. It was found that the microorganisms contained therein grow on the surface and a biological film is formed through the metabolism of the dirt deposits, which, depending on the food supply (i.e. the existing or newly deposited dirt), can last for several years, is gentle on the material and in the Interplay with the photoactive substance contained simultaneously develops a sustainable, continuous and environmentally friendly self-cleaning and protective effect.
  • the optical brightener contained in the treatment of the surface of solar or PV modules improves the energy conversion efficiency of the module, especially in diffuse light and at sunrise and sunset, which increases the efficiency and cost-effectiveness of a PV system.
  • the multi-component composition according to the invention thus enables effective cleaning and, when treating surfaces of solar or PV modules, an increase in the output of the modules and long-term avoidance of efficiency losses, which leads to an increase in the efficiency and profitability of PV systems, also from already existing systems.
  • Another object of the present invention is a kit for surface treatment, in particular of natural and artificially produced organic surfaces and glass surfaces, the kit comprising: a cleaning solution comprising at least one inorganic peroxide compound and at least one organic acid, and a coating solution comprising at least one photoactive substance, at least one magnetotactic microorganism, at least one phototrophic microorganism and at least one optical brightener.
  • the kit may further comprise one or more of: instructions for use, a first container for the cleaning solution, preferably a plastic canister, e.g. made of polyethylene, a second container for the coating solution, preferably a plastic canister, e.g. made of polyethylene, a measuring cup, and personal protective equipment , such as protective gloves or goggles.
  • a first container for the cleaning solution preferably a plastic canister, e.g. made of polyethylene
  • a second container for the coating solution preferably a plastic canister, e.g. made of polyethylene
  • a measuring cup e.g. made of polyethylene
  • personal protective equipment such as protective gloves or goggles.
  • the coating solution is preferably the coating solution described above in connection with the multi-component composition according to the invention and configurations thereof.
  • the coating solution of the kit preferably comprises: at least one magnetotactic microorganism, at least one microorganism with an antifungal effect and at least one phototrophic microorganism, at least one photoactive substance, and at least one optical brightener, the mass of microorganisms being 1 to 30% by weight, the at least one photoactive substance is contained in an amount of 0.001 to 0.3% by weight and the at least one optical brightener is contained in an amount of 0.0001 to 0.01% by weight, based in each case on the total weight of the coating solution , and the rest is water.
  • the coating solution of the kit particularly preferably comprises: at least one magnetotactic microorganism, at least one microorganism with an antifungal effect and at least one phototrophic microorganism, at least one photoactive substance, at least one optical brightener, at least one polysaccharide, and at least one additive selected from surfactants, softening agents, evaporation agents , additives to improve the sagging and drying behavior, to adjust the viscosity and/or for stabilization, UV stabilizers, pearlescent agents, corrosion inhibitors,
  • Preservatives, bitter substances, organic salts, (structuring) polymers, defoamers, pH adjusters, skin feel-improving or caring additives and nutrient solutions for microorganisms the mass of microorganisms being 1 to 30% by weight, the at least one photoactive substance in a Amount of 0.001 to 0.3% by weight, at least one optical brightener in an amount of 0.0001 to 0.01% by weight, at least one polysaccharide in an amount of 0.01 to 1 % by weight and the at least one additive is contained in an amount of 0.001 to 2.0% by weight, each based on the total weight of the coating solution, and the balance is water.
  • the cleaning solution is preferably the cleaning solution described above in connection with the multi-component composition according to the invention and its configurations.
  • the coating solution of the kit preferably comprises: at least one inorganic peroxide compound and at least one organic acid, the at least one inorganic peroxide compound being present in an amount of 0.03 to 5% by weight and the at least one organic acid being present in an amount of 0. 01 to 5% by weight, in each case based on the total weight of the cleaning solution, and the remainder is water.
  • the coating solution of the kit particularly preferably comprises: at least one inorganic peroxide compound, at least one organic acid, at least one alcohol compound, at least one surface-active compound, and
  • the at least one inorganic peroxide compound being present in an amount of 0.03 to 5% by weight
  • the at least one organic acid being present in an amount of 0.01 to 5% by weight
  • the at least one alcohol compound is contained in an amount of 0.1 to 60% by weight
  • the at least one surface-active compound is contained in an amount of 0.01 to 10% by weight, based in each case on the total weight of the cleaning solution, and the rest is water.
  • the present invention also relates to a method for treating surfaces, in particular for treating natural and artificially produced organic surfaces and glass surfaces, using the multi-component composition according to the present invention or the kit according to the present invention, the method preferably comprising the steps :
  • a basic mixture of the cleaning solution is first provided by placing it in a suitable container, for example a polyethylene (PE) plastic canister, water, preferably softened water, is mixed with the at least one inorganic peroxide compound and the at least one organic acid, and optionally the at least one alcohol compound and/or the at least one surface-active compound, in the desired ratio, for example by stirring.
  • a suitable container for example a polyethylene (PE) plastic canister
  • water preferably softened water
  • the resulting base mixture of the cleaning solution is mixed with water, preferably softened water, in a suitable container, for example a PE plastic canister, in a ratio of 1:10 to 3:1 (i.e.
  • the amount of cleaning solution base mixture provided and the amount of water with which the base mixture obtained is mixed can be selected depending on the degree of soiling of the surface to be treated.
  • a base mixture of the coating solution is first provided by mixing water, preferably softened water, with the at least one photoactive substance, the at least one magnetotactic microorganism, the at least a microorganism with an antimycotic effect, the at least one phototrophic microorganism and the at least one optical brightener, and optionally the at least one polysaccharide, is mixed in the desired ratio, for example by stirring.
  • the resulting base mixture of the coating solution is mixed with water, preferably softened water, in a suitable container, for example a PE plastic canister, in a ratio of 1:5 to 1:10 (1 volume unit of base mixture, 5-10 volume units Water), based on the volume of the base mixture used, and optionally the at least one additive is added and mixed, for example by stirring.
  • a suitable container for example a PE plastic canister
  • 1:5 to 1:10 (1 volume unit of base mixture, 5-10 volume units Water
  • the at least one additive is added and mixed, for example by stirring.
  • the definitions and amounts for the photoactive substance, the magnetotactic microorganism, the microorganism with antimycotic action, the phototrophic microorganism, the optical brightener and the additive(s) described above in connection with the multicomponent composition according to the invention also apply to what is described here method according to the invention.
  • Steps I) and II) of providing the cleaning solution and the coating solution can be carried out in any order.
  • Steps III) and IV) of applying the cleaning solution to the surface to be treated and applying the coating solution to the surface to be treated are preferably carried out in this order, ie step IV is preferably carried out after step III).
  • the cleaning solution can be applied to the surface to be treated using any of the application methods and devices known to those skilled in the art.
  • the cleaning solution is particularly preferably sprayed on or sprayed on uniformly using suitable equipment.
  • the cleaning solution described herein which has an oxidizing and disinfecting effect and which also penetrates any cracks or indentations on the surface, hardening and impurities, in particular organic impurities, can be dissolved or removed on the surface to be treated with the method according to the invention and Organisms such as black fungi, algae, moss, cyanobacteria, etc. are rendered harmless.
  • Organisms such as black fungi, algae, moss, cyanobacteria, etc. are rendered harmless.
  • the cleaning solution can act sufficiently on the contaminants and dissolve them. It is also preferred according to the invention if there is a maximum of 24 hours between the step of applying the cleaning solution and the step of applying the coating solution, since there are no more hours Increasing the cleaning effect of the cleaning solution occurs more. Particularly preferably, there is a period of 15 minutes to 24 hours between the step of applying the cleaning solution and the step of applying the coating solution.
  • one or more cleaning steps are carried out in order to clean the surface to be treated and remove impurities, the number of cleaning steps depending on the degree of Contamination of the surface to be treated depends.
  • an initial cleaning step takes place no earlier than 15 minutes after the step of applying the cleaning solution, so that the cleaning solution can act sufficiently on the contamination and dissolve it. It is also preferred according to the invention if an initial cleaning step takes place up to a maximum of 24 hours after the step of applying the cleaning solution, since there is no further increase in the cleaning effect of the cleaning solution beyond this. An initial cleaning step particularly preferably takes place 15 minutes to 24 hours after the step of applying the cleaning solution.
  • the application of the coating solution to the surface to be treated according to step IV) of the method according to the invention can be carried out by any method known to the person skilled in the art Application methods and devices take place.
  • the coating solution is particularly preferably sprayed or sprayed on uniformly using suitable equipment.
  • the formation of a microbiological coating on the surface is achieved with the method according to the invention, which is gentle on the material and through the interaction of the microorganisms contained therein and the microorganisms contained therein photoactive substance simultaneously develops a sustainable, continuous and environmentally friendly self-cleaning and protective effect, as already described above.
  • the optical brightener contained ensures that the energy conversion efficiency of the module, especially in diffuse light and at sunrise and sunset, is improved, which the efficiency and profitability of a PV system is increased.
  • a further object of the present invention also relates to the use of the multi-component composition described herein or the kit described herein for the treatment of natural and artificially produced organic surfaces and glass surfaces, in particular for the treatment of the surface of solar and photovoltaic modules in order to achieve the advantageous effects mentioned above to reach.
  • Examples of natural and artificial organic surfaces and glass surfaces which can be treated with the multi-component composition described herein, the kit described herein and/or the method described herein and are suitable for the use described herein in order to achieve one or more of the advantageous effects described include in particular surfaces made of glass or Plexiglas (acrylic glass, polymethyl methacrylate) of windows, in particular skylights, conservatories, a veranda, awnings and sun protection, as well as surfaces of solar or PV modules with glass sealing or with plastic protective film applied thereto, without being limited to this.
  • Another object of the present invention relates to the use of a cleaning solution for the production of a kit for surface treatment, in particular of natural and artificially produced organic surfaces and glass surfaces, the kit comprising the cleaning solution and a coating solution, the cleaning solution containing at least one inorganic peroxide compound and at least one organic acid, and wherein the coating solution comprises at least one photoactive substance, at least one microorganism with antifungal activity, at least one magnetotactic microorganism, at least one phototrophic microorganism and at least one optical brightener.
  • the kit may further comprise one or more of: instructions for use, a first container for the cleaning solution, preferably a plastic canister, e.g. made of polyethylene, a second container for the coating solution, preferably a plastic canister, e.g. made of polyethylene, a measuring cup, and personal protective equipment , such as protective gloves or goggles.
  • a first container for the cleaning solution preferably a plastic canister, e.g. made of polyethylene
  • a second container for the coating solution preferably a plastic canister, e.g. made of polyethylene
  • a measuring cup e.g. made of polyethylene
  • personal protective equipment such as protective gloves or goggles.
  • the kit is preferably the kit according to the invention as described herein.
  • the cleaning solution is preferably the cleaning solution described above in connection with the multi-component composition according to the invention and its configurations.
  • the coating solution is preferably the coating solution described above in connection with the multi-component composition according to the invention and configurations thereof.
  • the cleaning solution according to the invention which contains peracetic acid, was sprayed onto the modules using a knapsack sprayer. After an exposure time of 20 minutes, the modules were washed off with a hand brush suitable for cleaning photovoltaics using softened water.
  • the modules were dry. 60 mL of the coating solution according to the invention, consisting of 1 part base solution including additives and 10 parts softened water, were sprayed on per square meter. The modules dried within 1.5 hours before the measurement was carried out.
  • Cells poly-c-Si, 6" 60 cells module structure glass/backside film, aluminum frame
  • Cells poly-c-Si, 6" 60 cells module structure glass/backside film, aluminum frame
  • Table 1 shows the performance changes of the 6 modules before (P VO r_cleaning ) and after cleaning (P after_cleaning ) with the cleaning solution described herein, as well as the change (AP cleaning)
  • Table 1 As can be seen from Table 1, cleaning the modules with the cleaning solution of the multi-component composition according to the invention leads to a power increase of 9.9 W to 16.6 W, corresponding to a relative improvement of 4.2% to 7.1%. On average, the module performance improves by 5.6% through cleaning. After cleaning, up to 98% of those specified by the manufacturer are restored
  • coating with the coating solution of the multi-component composition of the present invention causes a slight drop in modulus performance.
  • the module output is reduced by 0% to 0.9%.
  • the power decrease is 0.5%. this is consistent with a 0.5% to 0.8% decrease in short circuit current.
  • the modules lose 0.6% of their short-circuit current.
  • Module M04 must be considered separately. This module was coated vertically while the other modules were coated horizontally. After the coating had dried on, module M04 showed clearly visible streaks. The power loss of 2.1% or the short-circuit current loss of 2.4% is therefore presumably due to the coating process and the associated formation of streaks.
  • the PV module was coated by pouring 60 mL of the coating solution according to the invention, consisting of 1 part base solution and 10 Parts of softened water and additives were sprayed on. The module dried within 1.5 hours before the measurement was carried out.
  • Equation 1 The series of measurements was carried out before and after treating the surface with the coating solution. The measurement results are listed in Table 3.
  • the corrected short-circuit current after coating at an angle of incidence of 55° is between 0.4% and 0.8% below that of the untreated module. This is consistent with the results of the proof of effectiveness of cleaning and coating from Example 1. At angles of incidence greater than 65°, when the reflection on the glass surface increases significantly, the coating has a positive effect. The corrected short-circuit current improves here by 0.5% to 2.3%.

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Abstract

La présente invention concerne une composition de traitement de surfaces à plusieurs composants, en particulier pour le traitement de surfaces organiques naturelles et produits artificiellement ainsi que de surfaces en verre, ladite composition comprenant une solution de nettoyage et une solution de revêtement qui sont séparées l'une de l'autre, la solution de nettoyage comprenant au moins un composé peroxyde inorganique et au moins un acide organique, et la solution de revêtement comprenant au moins une substance photoactive, au moins un micro-organisme magnétotactique, au moins un microorganisme phototrophe, au moins un microorganisme qui a un effet antimycotique et au moins un azurant optique. L'invention concerne également : un kit pour le traitement de surfaces ; un procédé pour le traitement de surfaces à l'aide de la composition à plusieurs composants ou du kit ; et l'utilisation de la composition à plusieurs composants et du kit.
PCT/EP2021/076279 2020-09-23 2021-09-23 Composition de traitement de surfaces à plusieurs composants Ceased WO2022063939A1 (fr)

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DE102020124843.1A DE102020124843A1 (de) 2020-09-23 2020-09-23 Mehrkomponenten-Zusammensetzung zur Oberflächenbehandlung
DE102020124843.1 2020-09-23

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WO2022063939A1 true WO2022063939A1 (fr) 2022-03-31

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Citations (3)

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WO2004112482A2 (fr) * 2002-09-09 2004-12-29 Mcdaniel Steven C Composants de revetement bioactifs, revetements et surfaces revetues
WO2005026269A1 (fr) * 2003-09-04 2005-03-24 Mcdaniel C Steven Composants recouvrant des micro-organismes, revetements et surfaces enduites
WO2015004444A1 (fr) * 2013-07-08 2015-01-15 Xeros Limited Nouvelle formulation de nettoyage et procédé correspondant

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WO2009155115A2 (fr) 2008-05-30 2009-12-23 Reactive Surfaces, Ltd. Revêtements et traitements de surface ayant des enzymes et des peptides actifs
US8445030B2 (en) 2009-09-15 2013-05-21 Fridolin Voegeli Persistent and fast acting antiseptics and disinfectants based on calcium fluoride
EP3019569B1 (fr) 2013-07-11 2018-05-30 Basf Se Composition de polissage chimique-mécanique comportant des dérivés de benzotriazole comme inhibiteurs de corrosion
US20170121534A1 (en) 2014-06-18 2017-05-04 Basf Se Use of gamma iron(iii) oxide (gamma-fe2o3) containing particles for the prevention of biofouling and/or growth of microorganisms

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WO2004112482A2 (fr) * 2002-09-09 2004-12-29 Mcdaniel Steven C Composants de revetement bioactifs, revetements et surfaces revetues
WO2005026269A1 (fr) * 2003-09-04 2005-03-24 Mcdaniel C Steven Composants recouvrant des micro-organismes, revetements et surfaces enduites
WO2015004444A1 (fr) * 2013-07-08 2015-01-15 Xeros Limited Nouvelle formulation de nettoyage et procédé correspondant

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EP4232416A1 (fr) 2023-08-30
DE102020124843A1 (de) 2022-03-24

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