The present invention relates to a method for coating substrates, including applying a composition to a first side of the substrate, the composition containing an inorganic compound, drying the applied composition, applying at least one coating to the first side of the substrate to which the composi
The present invention relates to a method for coating substrates, including applying a composition to a first side of the substrate, the composition containing an inorganic compound, drying the applied composition, applying at least one coating to the first side of the substrate to which the composition is applied, the coating containing a silane, drying the applied coating, and applying at least one barrier layer to a second side of the substrate.
대표청구항▼
1. A method for coating substrates, comprising: a) applying a composition to a first side of a substrate, the composition comprising an inorganic compound and the inorganic compound comprising at least one metal and/or semimetal selected from the group consisting of Sc, Y, Ti, Zr, Nb, V, Cr, Mo, W,
1. A method for coating substrates, comprising: a) applying a composition to a first side of a substrate, the composition comprising an inorganic compound and the inorganic compound comprising at least one metal and/or semimetal selected from the group consisting of Sc, Y, Ti, Zr, Nb, V, Cr, Mo, W, Mn, Fe, Co, B, Al, In, Ti, Si, Ge, Sn, Zn, Pb, Sb, Bi and mixtures thereof, and at least one element selected from the group consisting of Te, Se, S, O, Sb, As, P, N, C, Ga and mixtures thereof,b) drying of the composition,c) applying at least one coating to the first side of the substrate to which the composition has been applied, the coating comprising a silane of the general formula (Z1)Si(OR)3, in which Z1 is R, OR or 3-glycidyloxypropyl and R is an alkyl radical having 1 to 18 carbon atoms and all R may be identical or different, oxide particles selected from the group consisting of oxides of Ti, Si, Zr, Al, Y, Sn, Zn, Ce and mixtures thereof, a polymer and an initiator, andd) drying the coating, ande) applying at least one barrier layer to a second side of the substrate. 2. The method according to claim 1, whereinthe substrate is a flexible and/or rigid substrate. 3. The method according to claim 1, whereinthe substrate is a knitted fabric, a woven fabric, a mesh, a film, a sheet-like structure and/or a metal sheet. 4. The method according to claim 1, whereinthe substrate is substantially thermally stable at a temperature greater than 100° C. 5. The method according to claim 1, whereinthe substrate is substantially thermally stable during drying of the composition applied to a first side of the substrate and/or the coating. 6. The method according to claim 1, whereinthe inorganic compound is selected from the group consisting of TiO2, Al203, SiO2, ZrO2, Y2O3, BC, SiC, Fe2O3, SiN, SiP, aluminosilicates, aluminium phosphates, zeolites, partly exchanged zeolites and mixtures thereof. 7. The method according to claim 1, whereinthe inorganic compound has a particle size of 1 nm to 10 000 nm. 8. The method according to claim 1, whereinthe composition applied to a first side of the substrate is a suspension. 9. The method according to claim 1, whereinthe inorganic compound is obtained by hydrolysis of a precursor of the inorganic compound comprising the metal and/or semimetal. 10. The method according to claim 9, whereinthe precursor of the inorganic compound is selected from the group consisting of metal nitrate, metal halide, metal carbonate, metal alcoholate, semimetal halide, semimetal alcoholate and mixtures thereof. 11. The method according to claim 1, whereinthe composition applied to a first side of the substrate comprises an initiator. 12. The method according to claim 11, whereinthe initiator is an acid or base. 13. The method according to claim 1, whereinthe composition is a sol. 14. The method according to claim 1, whereindrying of the composition applied to a first side of the substrate is carried out by heating to a temperature between 50° C. and 1000° C. 15. The method according to claim 1, whereinthe coating comprises a second silane of the general formula (Z2)zSi(OR)4-z, in which R is an alkyl radical having 1 to 8 carbon atoms and Z2 is HaFbCn, a and b being integers, all R may be identical or different, a+b=1+2n, z=1 or 2 and n is 1 to 16, or, where Z1 is 3-glycidyloxypropyl, Z2 is 3-aminopropyl with z=1. 16. The method according to claim 1, whereinthe coating comprises 3-glycidyloxypropyltriethoxysilane and/or 3-glycidyloxypropyltrimethoxysilane as the silane and/or 3-aminopropyltrimethoxysilane and/or 3-aminopropyltriethoxysilane as the second silane. 17. The method according to claim 1, whereinthe coating comprises tetraethoxysilane as the silane and a silane of the formula (HaFbCn)zSi(OR)4-z as the second silane, in which a and b are integers, a+b =1+2n, z is 1 or 2, n is 1 to 16 and all R may be identical or different. 18. The method according to claim 1, whereinthe coating comprises tetraethoxysilane, methyltriethoxysilane, octyltriethoxysilane and/or hexadecyltrimethoxysilane as the silane and/or 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyltriethoxysilane as the second silane. 19. The method according to claim 1, whereinthe coating comprises, as an initiator, an acid or base. 20. The method according to claim 1, whereinthe surface of the oxide particles present in the coating is hydrophobic. 21. The method according to claim 1, whereinorganic radicals X1+2nCn bonded to silicon atoms are present on the surface of the oxide particles of the coating, n being 1 to 20 and X being hydrogen and/or fluorine. 22. The method according to claim 1, whereinthe polymer of the coating has a mean mass-average molecular weight of at least 3000 g/mol. 23. The method according to claim 1, whereinthe polymer of the coating has an average degree of polymerization of at least 50. 24. The method according to claim 1, whereinthe polymer of the coating is selected from the group consisting of polyamide, polyester, epoxy resins, melamine/formaldehyde condensate, urethane/polyol resin and mixtures thereof. 25. The method according to claim 1, whereinthe coating is applied to the substrate in an amount such that, after drying, a layer of the dried coating having a layer thickness of 0.05 to 10 μm is present on the substrate. 26. The method according to claim 1, whereinbefore application of the composition to a first side of the substrate or the coating, at least one pre-coating is applied. 27. The method according to claim 1, whereinafter application of the coating, at least one post-coating is applied. 28. The method according to claim 1, whereinthe drying of the coating is carried out by heating to a temperature between 50° C. and 1000° C. 29. The method according to claim 1, whereinthe barrier layer is a layer which has substantially no pores. 30. The method according to claim 1, whereinthe barrier layer comprises at least one film-forming polymer selected from the group consisting of synthetic resin dispersions, synthetic resin emulsions, polyvinyl alcohol, modified polyvinyl alcohol, polyvinyl acetate, modified polyvinyl acetate, polymaleic anhydride, polyvinyl methyl ether, vinyl methyl ether/maleic anhydride copolymer, polyvinyl butyl ether, vinyl butyl ether/styrene copolymer, polyurethane, melamine/formaldehyde condensate, urea/melamine condensate and mixtures thereof. 31. The method according to claim 1, whereinthe adhesive layer comprises an adhesive selected from the group consisting of dispersion adhesives, solvent adhesives, starch pastes, synthetic resin glues, cold glues, heat-seal adhesives, hotmelt adhesives, assembly glues, wallpaper pastes, physically setting adhesives, chemically setting adhesives, one-component adhesives, multicomponent adhesives, two-component adhesives, aminoplast adhesives, phenoplast adhesives, contact adhesives, pressure-sensitive adhesives, reaction adhesives, plastisol adhesives, glues, urea resin glues and mixtures thereof. 32. A method for applying the coated substrate of claim 1 to a support substrate, comprising: applying at least one layer comprising at least one adhesive on at least one side of the support substrate andadhesively bonding the coated substrate to the support substrate, the second side of the coated substrate pointing in the direction of the support substrate and/or pointing in the direction of the applied adhesive layer of the support substrate. 33. The method according to claim 32, whereinthe support substrate is a flexible or rigid substrate. 34. The method according to claim 32, whereinthe support substrate is selected from the group consisting of a chipboard, raw chipboard, wood board, plastic panel, parquet floor, wood veneer, veneer and combinations thereof. 35. The method according to claim 32, whereinthe adhesive layer comprises an adhesive selected from the group consisting of dispersion adhesives, solvent adhesives, starch pastes, synthetic resin glues, cold glues, heat-seal adhesives, hotmelt adhesives, assembly glues, wallpaper pastes, physically setting adhesives, chemically setting adhesives, one-component adhesives, multicomponent adhesives, two-component adhesives, aminoplast adhesives, phenoplast adhesives, contact adhesives, pressure-sensitive adhesives, reaction adhesives, plastisol adhesives, glues, urea resin glues and mixtures thereof. 36. The method according to claim 32, whereinthe adhesive bonding of the coated substrate to the support substrate is effected with the use of elevated pressure and/or elevated temperature. 37. A coated substrate obtained by the method according to claim 1. 38. A coated support substrate obtained by the method according to claim 32. 39. The coated support substrate according to claim 38, wherein the coated support substrate is a floor panel and/or veneer. 40. The method according to claim 1, further comprising applying at least one layer comprising at least one adhesive to the barrier layer.
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