EP4329997A2 - Substrat en bois pourvu d'un apprêt ignifuge - Google Patents

Substrat en bois pourvu d'un apprêt ignifuge

Info

Publication number
EP4329997A2
EP4329997A2 EP22727036.0A EP22727036A EP4329997A2 EP 4329997 A2 EP4329997 A2 EP 4329997A2 EP 22727036 A EP22727036 A EP 22727036A EP 4329997 A2 EP4329997 A2 EP 4329997A2
Authority
EP
European Patent Office
Prior art keywords
flame retardant
impregnation
wood substrate
substrate according
flame
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.)
Pending
Application number
EP22727036.0A
Other languages
German (de)
English (en)
Inventor
Moritz Reifferscheid
Matthias Schultz
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.)
Lufthansa Technik AG
Original Assignee
Lufthansa Technik AG
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 Lufthansa Technik AG filed Critical Lufthansa Technik AG
Publication of EP4329997A2 publication Critical patent/EP4329997A2/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/53—Base coat plus clear coat type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/15—Impregnating involving polymerisation including use of polymer-containing impregnating agents
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0066—Flame-proofing or flame-retarding additives
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C08L63/10—Epoxy resins modified by unsaturated compounds
    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C09D163/10—Epoxy resins modified by unsaturated compounds
    • 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
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • 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
    • B05D2203/00—Other substrates
    • B05D2203/20—Wood or similar material
    • 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
    • B05D2320/00—Organic additives
    • 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
    • B05D2504/00—Epoxy polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/51—One specific pretreatment, e.g. phosphatation, chromatation, in combination with one specific coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K2240/00—Purpose of the treatment
    • B27K2240/30—Fireproofing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/06—Organic materials
    • C09K21/12—Organic materials containing phosphorus

Definitions

  • the invention relates to a flame-retardant Holzsub strate and a method for its production.
  • wooden surfaces in particular wood veneers
  • the wooden surfaces should contribute to an improvement in the appearance of the surface, whereby the wooden surfaces, and in particular the veneers, must be protected against mechanical stress. In some cases, this can be achieved by coating the veneer. In certain cases, such a coating also serves to improve fire protection.
  • Crystal-clear lacquered wooden surfaces which are provided with polyurethane lacquers or polyester lacquers, are known from prior public use.
  • a flame-retardant impregnation is often additionally used (e.g. DE102010054341B3 and DE102013202493A1).
  • the disadvantage of this is that such an impregnation can discolour the wood and, under certain circumstances, acts as a plasticizer in a clear coat that is subsequently applied.
  • the adhesion of a paint layer on the impregnated surface can be impaired.
  • clear coats are coated with chemical fire retardants.
  • discoloration of the wood surface can occur and the flame retardants can act as plasticizers in an undesired manner.
  • the fire-retardant properties of the known paint systems are not always sufficient to protect the wood surfaces adequately. Impregnations in the wood impair the quality of the surfaces either directly or indirectly.
  • An example of a direct negative influence is the formation of a milky surface due to fire protection salts that have crystallized out.
  • An example of an indirect negative influence is a greatly increased paint loss or paint aging due to non-chemically bound flame retardants in the substrate, which slowly migrates through the overlying paint layers and accelerates the aging through the substrate/paint layer interactions.
  • the invention is based on the object of creating a flame-retardant wood substrate and a method for producing such a material, which makes it possible to combine good surface properties of crystal-clear lacquered wood surfaces of the substrate with good fire protection.
  • the disadvantages of the prior art explained above are to be overcome.
  • the invention solves this problem with a flame-retardant wooden substrate, characterized in that the wooden substrate has a crystal-clear coating, impregnation and/or the filling primer with a flame retardant containing at least one compound selected from phosphorus compounds and a lacquer layer arranged thereon.
  • a wood substrate is, for example, a piece of furniture, wall paneling or the like.
  • the sub strate can be made of solid wood or preferably consist of a wood veneer on a support structure.
  • the support structure can be chipboard, a sandwich structure or the like.
  • the woods used can be, for example, maple, aningre, oak, macassar, rosewood, redwood and wenge.
  • the mixture according to the invention is applied to the substrate as a coating, impregnation and/or filling primer or pore filler.
  • a coating essentially remains on the surface, while impregnation involves full or partial penetration into cell walls, pores and other interstices of the substrate.
  • a filling primer or pore filler means that the pores of the wood are completely filled or closed.
  • it can also be a mixed form of coating, impregnation and/or filling primer.
  • the properties of the mixtures applied to the substrate can be changed, for example, by different dilutions. In highly diluted form, the mixture works preferably as flame retardant impregnation. In slightly diluted form, the mixture is preferably used as a flame retardant filler.
  • crystal-clear coating, impregnation, filling primer or layer is understood within the scope of the invention to mean a coating, impregnation, filling primer or layer that is transparent and untarnished, i.e. transparent in the actual sense, so that when looking at the underlying substrate surface practically no optical change is caused.
  • the transparent coating, impregnation and/or filling primer with flame retardant preferably also comprises at least one hardener and/or at least one binder.
  • the hardener is preferably selected from amino hardeners, polyamine hardeners and mixtures thereof.
  • the binder is preferably selected from epoxy resins. It is preferably a crystal-clear epoxy resin. However, epoxy resins can also be used which are crystal clear only after the coating, impregnation and/or filling primer has dried or cured.
  • the epoxy resin is preferably an epoxy resin based on bisphenol A.
  • the epoxy resin is preferably an unfilled epoxy resin.
  • the flame retardant according to the invention is preferably a transparent flame retardant.
  • the flame retardant can also contain phosphorus compounds which are crystal clear only after the coating, impregnation and/or filler primer has dried or cured.
  • the flame retardant containing the phosphorus compound is preferably a reactive flame retardant.
  • a reactive flame retardant at least one, several or all of the compounds used in the flame retardant themselves become part of the material used for the coating, impregnation and/or filler base material. This can be done in particular by polymerisation.
  • additive flame retardants on the other hand, the flame retardant compounds are only worked in as an additive, but without reacting chemically with other components of the composition.
  • the phosphorus compounds contained in the flame retardant are preferably organic phosphorus compounds.
  • the flame retardant is preferably halogen-free.
  • the flame retardant containing the phosphorus compound preferably has an epoxy functionality. It is preferably an epoxy-equivalent phosphorus-based flame retardant. It can also have broad epoxy compatibility.
  • the flame retardant is preferably a liquid, low-viscosity flame retardant.
  • the viscosity of the flame retardant is preferably less than 150 Pa*s, more preferably less than 100 Pa*s, even more preferably less than 50 Pa*s (measured at 80° C., 20 s-1).
  • the density of the flame retardant is preferably 1.1 to 1.3 g/ 3 m, more preferably 1.15 to 1.25 g/ 3 m, measured using a pycnometer at a temperature of 20.degree.
  • the flame retardant according to the invention is particularly preferably a liquid, halogen-free, preferred wise low-viscosity flame retardant based on organic phosphorus compounds with epoxy functionality. These are flame retardants that are highly effective, easy to process and have little or no toxicity in the event of a fire. If the flame retardant is of low viscosity, it can also be processed without solvents.
  • the epoxide equivalent weight of the flame retardant is preferably at most 600 g/mol, more preferably at most 550 g/mol, even more preferably at most 500 g/mol, measured according to DIN 16945:1989-03.
  • the epoxide equivalent weight is an index of compounds containing epoxide groups.
  • the epoxide equivalent weight describes the mass in grams which contains one mole of epoxide groups.
  • a mass fraction of the flame retardant in the uncured resin material containing flame retardant and binder may be from 20 to 99% by weight, more preferably from 20 to 50% by weight, based on the total mass of flame retardant and binder in the uncured resin material for the coating, impregnation and/or filling primer.
  • the flame retardant in which preferably 100% by weight of the flame retardant is present, the flame retardant is used without a carrier resin. However, a hardener must then be added to harden the flame retardant.
  • the flame retardant or a mixture comprising binder and flame retardant for producing the coating, impregnation and/or filling primer present on the wood substrate preferably has a viscosity of 5 to 100 s, more preferably 5 to 60 s, even more preferably 5 to 30 s , measured according to DIN EN ISO 2431 with a 4 mm DIN measuring cup. If the flame retardant or the mixture is applied to the substrate surface in a highly diluted form, it preferably acts as a flame retardant impregnation. The viscosity is then preferably 5 to 15 s, more preferably about 10 s. If the flame retardant or the mixture is applied to the substrate surface in a slightly diluted form, it preferably acts as a flame retardant filler or pore filler. The viscosity is then preferably 20 to 30 s, more preferably about 25 s.
  • the flame retardant or a mixture comprising flame retardants and binders is preferably applied to the substrate surface.
  • a thinner preferably selected from xylene, acetone and mixtures thereof, can be added to the flame retardant or a mixture of flame retardant and binder to produce the coating, impregnation and/or filler primer present on the wood substrate. This thinner preferably serves to adjust the viscosity.
  • a lacquer layer is arranged on the impregnated, filler-primed and/or coated substrate.
  • the lacquer layer can be applied directly to the impregnated, filler-primed and/or coated substrate or one or more intermediate layers can be arranged between the impregnated, filler-primed and/or coated substrate and the lacquer layer.
  • the paint layer is applied directly to the impregnated, primed and/or coated substrate.
  • the coat of paint can be a top coat or a clear coat.
  • a clear coat is a transparent coat that is transparent and is untarnished so that no optical change is effected when the underlying substrate surface is viewed.
  • the paint layer is preferably selected from the group consisting of polyurethane coatings, thioisocyanate coatings, polyester coatings, poly(meth)acrylate coatings and epoxy coatings. These are coatings that are used in particular for coating wood and wood veneer surfaces in the prior art.
  • the lacquers can be filled and colored as desired or they can be transparent lacquer systems. According to the invention, a further flame retardant to increase the overall flame resistance and/or solvents can be added to the paint.
  • polyisocyanates react with hydroxyl-containing compounds to harden them.
  • the hydroxyl component can be, for example, polyester, polyether or acrylic resin. Polyester coatings usually cure through polyaddition of unsaturated compounds. The same applies to poly(meth)acrylates. Suitable coatings are described, for example, in Ullmann's Encyclopedia of Industrial Chemistry, 6th edition, volume 24, page 594 et seq. (Paints and Coatings); and Volume 39, page 515 et seq. (Wood, surface treatment) specifically for wood surfaces. The cited disclosure is also made the subject matter of the present application.
  • the invention has the advantage that the wood substrate with a flame-retardant finish according to the invention makes it possible to provide wood substrates which have crystal-clear lacquered wood surfaces of very good surface quality and which also meet high flame-retardant requirements.
  • Another advantage is that the phosphorus compounds used as flame retardants are hardened by the hardener or the epoxy resin used as a binder is chemically bonded so that the flame retardant cannot interact with the wood substrate or the overlying varnish or intermediate layer.
  • the subject matter of the invention is also a method for producing a wood substrate according to the invention, preferably according to one of claims 1 to 13, which has the following steps: a. Application of a curable flame retardant or a mixture of a flame retardant containing at least one compound selected from phosphorus compounds and a binder selected from epoxy resins to the substrate surface, with a crystal-clear coating, impregnation and/or filler primer being provided on the substrate surface ; and b. Arranging a layer of lacquer on the substrate surface provided with the coating, impregnation and/or filling primer.
  • step b. means in the context of the invention that the lacquer layer can be applied directly to the impregnated, glallprimed and/or coated substrate or one or more intermediate layers can be arranged between the impregnated, glallprimed and/or coated substrate and the lacquer layer.
  • the lacquer layer is applied directly to the the coating, impregnation and/or filling primer applied to the prepared substrate surface.
  • the curable flame retardant or the mixture comprising binder and flame retardant from step a applied by a method selected from the group consisting of coating, spraying, pressureless dipping, and pressure impregnation.
  • the wood treated in this way can be used in the form of veneers or as solid wood.
  • the wood In aviation, the wood is usually used as a veneer and combined with lightweight materials (sandwich materials made of GRP or CFRP cover layers and a core made of honeycomb material or otherwise) in order to save weight.
  • lightweight materials such as GRP or CFRP cover layers and a core made of honeycomb material or otherwise
  • the application should not be limited to this.
  • Other conceivable applications are the furniture industry (solid wood and veneer), yacht and boat building (furniture and floors made of solid wood or veneered materials), rail vehicles and others.
  • Figure 1 Schematic of a wooden substrate (10) according to the invention that has been flame-retarded, a crystal-clear coating, impregnation and/or filling primer (30) with a flame retardant containing at least one phosphorus compound and a binder being selected on the wooden substrate (20). made of epoxy resins, and a lacquer layer (40) applied directly thereto.
  • FIG. 1 Schematic of an inventive flame-retardant wood substrate (10), wherein between the on the wood substrate (20) existing crystal-clear coating, impregnation and / or filling primer tion (30) and the paint layer (40) an intermediate layer (50) is arranged.
  • Figure 1 shows schematically a wood substrate (10) according to the invention with a flame-retardant finish, a crystal-clear coating, impregnation and/or filling primer (30) with a flame retardant containing at least one phosphorus compound and a binder being selected on the wood substrate (20).
  • Epoxy resins, and a lacquer layer (40) applied directly thereto are present.
  • Solid wood or veneer can be used as the wood substrate.
  • the wood used can be, for example, maple, aningre, oak, macassar, rosewood, redwood and wenge.
  • a crystal-clear impregnation (30) with a flame retardant selected from a phosphor compound and a binder selected from epoxy resins may be present.
  • a mixture of 50% by weight epoxy resin with a polyamine hardener and 50% by weight of a flame retardant based on phosphorus compounds with an epoxy equivalent weight of max. 550 g/mol and xylene as a diluent can be produced as impregnation.
  • the viscosity of such an impregnation is 10 s.
  • the impregnation can be applied to the wood substrate by spray application.
  • the mixture listed as impregnation with a higher viscosity of 25 s can be used as a pore filler.
  • the pore filler can be applied to the wood substrate by spatula and/or spraying.
  • Clear lacquers or top coats can be used as the lacquer layer (40).
  • Figure 2 shows a schematic of a wood substrate (10) with a flame-retardant finish according to the invention, with an optional intermediate layer (50) being arranged between the crystal-clear coating, impregnation and/or filling primer (30) present on the wood substrate (20) and the lacquer layer (40).
  • an optional intermediate layer (50) being arranged between the crystal-clear coating, impregnation and/or filling primer (30) present on the wood substrate (20) and the lacquer layer (40).
  • light-curing systems can be used as an intermediate layer, and a flame retardant can optionally be added to the light-curing system.
  • the intermediate layer can be applied by spray application and cured by subsequent exposure.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Forests & Forestry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un substrat en bois pourvu d'un apprêt ignifuge, caractérisé en ce que ledit substrat en bois comporte un revêtement, une imprégnation et/ou un fond de remplissage transparents avec retardateur de flamme, contenant au moins composé choisi parmi les composés phosphorés, ainsi qu'une couche de vernis disposée sur ceux-ci. L'invention concerne également un procédé de fabrication d'un substrat en bois pourvu d'un apprêt ignifuge.
EP22727036.0A 2021-04-29 2022-04-29 Substrat en bois pourvu d'un apprêt ignifuge Pending EP4329997A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021111074.2A DE102021111074A1 (de) 2021-04-29 2021-04-29 Flammenhemmend ausgerüstetes Holzsubstrat
PCT/EP2022/061529 WO2022229410A2 (fr) 2021-04-29 2022-04-29 Substrat en bois pourvu d'un apprêt ignifuge

Publications (1)

Publication Number Publication Date
EP4329997A2 true EP4329997A2 (fr) 2024-03-06

Family

ID=81878070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22727036.0A Pending EP4329997A2 (fr) 2021-04-29 2022-04-29 Substrat en bois pourvu d'un apprêt ignifuge

Country Status (6)

Country Link
US (1) US20240217134A1 (fr)
EP (1) EP4329997A2 (fr)
CN (1) CN117377562A (fr)
CA (1) CA3215466A1 (fr)
DE (1) DE102021111074A1 (fr)
WO (1) WO2022229410A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116352830A (zh) * 2023-02-27 2023-06-30 中国林业科学研究院木材工业研究所 一种彩色阻燃透明木材的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1159821A (en) * 1965-08-09 1969-07-30 Hooker Chemical Corp Fire Retardant Epoxy Resin Compositions.
DE3009104C2 (de) * 1980-03-10 1990-10-04 Odenwald-Chemie GmbH, 6901 Schönau Verwendung eines Epoxydharzes zur Herstellung von feuerhemmenden Schichten oder Überzügen und Verfahren zur Herstellung derselben
DE19751434A1 (de) * 1997-11-20 1999-07-29 Clariant Gmbh Intumeszierende, flammhemmende Überzugsmassen
DK1519975T3 (da) * 2002-07-01 2011-02-28 Cytec Surface Specialties Sa Vand-fortyndbare polymer-forstadier, deres fremstilling og anvendelse
DE10322432A1 (de) * 2003-05-19 2004-12-16 Basf Coatings Ag Thermisch härtbare Einkomponenten-Beschichtungsstoffe, Verfahren zu ihrer Herstellung und ihre Verwendung
DE102010054341B3 (de) 2010-09-27 2012-01-26 Lufthansa Technik Ag Verfahren zum Aufbringen einer brandschützenden Beschichtung auf ein Substrat und Substrat mit brandschützender Beschichtung
CA2831409C (fr) * 2013-02-15 2020-07-28 Lufthansa Technik Ag Substrat de bois rendu ignifuge
DE102013202493A1 (de) * 2013-02-15 2014-08-21 Lufthansa Technik Ag Flammhemmend ausgerüstetes Holzsubstrat
US10500756B2 (en) * 2014-06-04 2019-12-10 Koppers Performance Chemicals Inc. Methods of conferring fire retardancy to wood and fire-retardant wood products
US9669564B2 (en) * 2014-06-04 2017-06-06 Koppers Performance Chemicals Inc. Methods of conferring fire retardancy to wood and fire-retardant wood products
CN108997896B (zh) * 2018-09-20 2023-10-13 深圳南科二维复材科技有限公司 一种耐火阻燃木材、其制备方法以及应用

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CA3215466A1 (fr) 2022-11-03
WO2022229410A2 (fr) 2022-11-03
DE102021111074A1 (de) 2022-11-03
WO2022229410A3 (fr) 2023-01-12
CN117377562A (zh) 2024-01-09

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