EP3453464B1 - Application au rouleau des peinture et surfaces en bois - Google Patents

Application au rouleau des peinture et surfaces en bois Download PDF

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Publication number
EP3453464B1
EP3453464B1 EP18193716.0A EP18193716A EP3453464B1 EP 3453464 B1 EP3453464 B1 EP 3453464B1 EP 18193716 A EP18193716 A EP 18193716A EP 3453464 B1 EP3453464 B1 EP 3453464B1
Authority
EP
European Patent Office
Prior art keywords
roller
sealing layer
wood
pores
die
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.)
Active
Application number
EP18193716.0A
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German (de)
English (en)
Other versions
EP3453464A3 (fr
EP3453464A2 (fr
Inventor
Dirk Conrad
Marcel DÜLGE
Didier NOREILLIE
Stephan Rose
Pawel Salamonowicz
Tim LOHRSTRÄTER
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.)
Hesse & Co KG GmbH
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Hesse & Co KG GmbH
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Publication date
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Application filed by Hesse & Co KG GmbH filed Critical Hesse & Co KG GmbH
Priority to PL18193716T priority Critical patent/PL3453464T3/pl
Publication of EP3453464A2 publication Critical patent/EP3453464A2/fr
Publication of EP3453464A3 publication Critical patent/EP3453464A3/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/02—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
    • 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
    • B05D7/06—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 to wood
    • 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
    • B05D2252/00—Sheets
    • B05D2252/04—Sheets of definite length in a continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members

Definitions

  • the present invention relates to a method for coating substrates made of wood or a wood-based material with open pores, in order to seal the pores with a closed sealing layer and at the same time to keep the pore structure in an optically visible manner.
  • Varnish can be applied to wooden surfaces (solid wood, veneered wood materials) using different methods. Both spraying, casting and rolling processes are known, particularly in the field of paint application on an industrial scale. Spraying processes are used most frequently, as all shapes and colors can be processed. Disadvantages such as high paint losses etc. are accepted. In the case of casting processes, substrates that are essentially flat and poorly shaped run through a curtain of paint in order to ensure that the paint is applied evenly. This process is used, for example, to achieve high-quality, smooth top coat applications, for example in the industrial production of doors and furniture fronts. Roller application processes are used to coat flat substrates. The lacquer is typically applied to the substrate by means of a rotating rubber roller (application roller).
  • application roller application roller
  • Dosing takes place with the help of a dosing roller and / or by setting the contact pressure of the rubber roller or the gap width between the dosing and application roller.
  • the paint application can be operated in parallel or counter-rotating manner in roller application processes. Both systems can also be used in combination.
  • the lacquer is applied to the substrate so that wood pores and veneer joints in particular are filled.
  • the applied lacquer layer is optimally smoothed so that high-quality, structure-free, smooth surfaces are obtained.
  • the document DE 35 17 100 A1 shows an arrangement for the impregnation of paper webs coated or varnished on one side in the production of decorative films with a finished effect.
  • the aim is to ensure that an amount of resin below the maximum absorption capacity of the paper can be introduced uniformly into the paper cross-section.
  • an arrangement is to be provided on an impregnation section with which the resin metering can be controlled as required while the impregnation process has already started.
  • a horizontally adjustable roller doctor is also arranged between a resin application device, which is arranged downstream of a preheating roller is, and a further, provided for the impregnation of the paper web heating roller.
  • a horizontally adjustable roller doctor is also arranged.
  • the surface to be treated is wetted with a treatment liquid that contains a synthetic resin suitable for binding wood dust.
  • a treatment liquid that contains a synthetic resin suitable for binding wood dust.
  • the wetted surface is sanded in order to drive the wood dust together with a quantitative proportion of the synthetic resin into the pores, whereby the surface is kept continuously wetted with a wetting liquid in which the synthetic resin is not at all or at most only sparingly soluble .
  • the treatment liquid is a coating solution which contains the resinous substance dissolved in a solvent and which at the same time also forms a sealing coating on the surface being treated when this solvent evaporates.
  • the document DE 10 2004 007 503 B3 relates to a method and a device for coating elements made of natural and / or wood fiber-containing materials with paint systems, in which a base paint system and subsequently a top paint system is applied to the element.
  • a workpiece coated with the base coat system is treated by means of a calender to press down erect fibers and a subsequent brush to remove protruding fibers.
  • a topcoat system is applied in multiple layers using several roller coating machines.
  • a layer of reactive hot melt based on a polyurethane is first applied to at least part of a surface of the carrier surface and then the surface of the layer applied in a previous step is applied with an embossing mold which has a negative shape of a three-dimensional structure to be produced on the carrier surface, embossed.
  • the object of the present invention is therefore to provide a method for coating wood or wood-based materials with open pores and / or structuring, in which the pore structure or the structuring remains optically visible even after the coating, although the pores are through a closed paint film are sealed and protected against the ingress of moisture or dirt or all areas of the structured surface are sealed with a closed paint film.
  • the present invention relates to the coating of substrates with open pores, whereby the pores are filled with varnish in such a way that they meet the requirements for a varnished wood surface (e.g. DIN EN 68861-1 furniture surfaces, behavior in the event of chemical stress), but nevertheless an optically open pore structure remains visible.
  • FIGS 1 a) and 1 b) schematically show partial areas of a paint application device suitable for carrying out the method according to the invention.
  • the invention therefore provides a method for coating substrates (wood or wood materials) as defined in claim 1.
  • substrates wood or wood materials
  • Preferred configurations are specified in the subclaims and the description below.
  • Possible applications are the coating of plate-shaped materials with a structured or porous surface, such as B. parquet, veneered chipboard or fiberboard (MDF or HDF panels).
  • MDF or HDF panels a structured or porous surface
  • the wood material is the one to be coated Oak or ash finish.
  • the method according to the invention is particularly suitable for coating oak parquet and oak veneers.
  • the amounts of material to be applied for the sealing layer depend on the viscosity of the paint, the feed speed of the rollers and the absorbency or porosity of the substrate.
  • a person skilled in the art can determine the settings and process parameters necessary according to the invention by simple preliminary tests in order to achieve a seal according to the invention on different substrates.
  • roller C it is essential to use roller C to remove material for the sealing layer that has penetrated into the pores before curing, in order to make the structure / open pores visible without detrimentally affecting the seal affect.
  • roller C is critical (and not the ultimately remaining application amount), since, for example, comparative investigations only with roller A or with rollers A and B (with the same remaining application amount ) does not show the effect according to the invention.
  • An adhesive primer (e.g. Hesse HUW 8831) with a coating amount of 10-15 g / m 2 was applied to oak parquet (completely sanded, sanding 180, dusted), followed by complete drying.
  • a UV lacquer (e.g. Hesse UG 7328) was applied using a roller A at an application rate of approx. 50 g.
  • a spatula roller B 10-15 g were removed but at the same time a good penetration depth of the applied lacquer into the pores was ensured, so that an application amount of 35-40 g / m 2 remained, which made the pore structure partially visible, but not yet in one sufficient measure.
  • the parquet sealed according to the invention was evaluated with regard to the sealing of the pores in order to ensure that the parquet treated according to the invention not only makes the pore structure visible but also enables reliable and complete sealing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Claims (10)

  1. Procédé pour le revêtement de substrats en bois ou en un matériau dérivé du bois à pores ouverts, destiné à sceller les pores avec une couche de scellement fermée tout en gardant la structure de pores optiquement visible, avec les étapes de procédé suivantes :
    a) mise à disposition d'un substrat à pores ouverts,
    b) application d'une matière pour une couche de scellement à l'aide d'un premier rouleau A,
    c) répartition de la matière appliquée de la couche de scellement et retrait d'une partie de la matière appliquée de la couche de scellement à l'aide d'un deuxième rouleau B, puis
    d) retrait partiel de la quantité de matière appliquée de la couche de scellement hors des pores à l'aide d'un troisième rouleau C,
    dans lequel les rouleaux A et B forment une spatule ou une machine reverse,
    dans lequel les pores du bois sont entièrement remplis avec de la matière de la couche de scellement à l'aide du rouleau B, et la matière excédentaire de la couche de scellement est ensuite retirée du pore du bois à l'aide du rouleau C, pour rendre la structure de pores du bois de nouveau visible, le rouleau C étant un rouleau lisse.
  2. Procédé selon la revendication 1, dans lequel le retrait partiel de la quantité de matière appliquée de la couche de scellement est effectué à l'aide du troisième rouleau C avant un durcissement, et dans lequel un durcissement et/ou un séchage de la couche de scellement est/sont réalisé(s) à l'aide du rouleau C après le retrait partiel.
  3. Procédé selon l'une au moins des revendications précédentes, dans lequel la couche de scellement est formée à partir d'une peinture durcissant aux UV.
  4. Procédé selon l'une au moins des revendications précédentes, dans lequel le substrat présente une surface en bois de chêne ou en bois de frêne.
  5. Procédé selon l'une au moins des revendications précédentes, dans lequel le substrat est sélectionné entre un parquet, des panneaux de particules ou de fibres plaqués, des panneaux MDF ou HDF.
  6. Procédé selon l'une au moins des revendications précédentes, dans lequel la quantité de matière appliquée de la couche de scellement est de 10 à 200 g/m2.
  7. Procédé selon la revendication 6, dans lequel la quantité de matière appliquée de la couche de scellement est de 40 à 100 g/m2.
  8. Procédé selon l'une au moins des revendications précédentes, dans lequel le substrat est soumis à un traitement préalable avant la mise à disposition, lequel est sélectionné entre un traitement de ponçage et/ou l'application d'un apprêt et/ou l'application d'un mordant.
  9. Procédé selon l'une au moins des revendications précédentes, dans lequel le rouleau B permet déjà de retirer à nouveau entre 10% et 40% de la quantité de matière appliquée pour la couche de scellement.
  10. Procédé selon l'une au moins des revendications précédentes, dans lequel le rouleau C permet de retirer à nouveau entre 5% et 30% de la quantité de matière appliquée pour la couche de scellement.
EP18193716.0A 2017-09-11 2018-09-11 Application au rouleau des peinture et surfaces en bois Active EP3453464B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18193716T PL3453464T3 (pl) 2017-09-11 2018-09-11 Nanoszenie walcami lakierów i powierzchnie drewniane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17001518 2017-09-11

Publications (3)

Publication Number Publication Date
EP3453464A2 EP3453464A2 (fr) 2019-03-13
EP3453464A3 EP3453464A3 (fr) 2019-06-19
EP3453464B1 true EP3453464B1 (fr) 2020-11-04

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ID=59923205

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EP18193716.0A Active EP3453464B1 (fr) 2017-09-11 2018-09-11 Application au rouleau des peinture et surfaces en bois

Country Status (2)

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EP (1) EP3453464B1 (fr)
PL (1) PL3453464T3 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925800A (en) 1955-01-17 1960-02-23 Marsh Wall Products Inc Roller coating machine for rigid sheet material
US3693585A (en) 1970-08-06 1972-09-26 Georgia Pacific Corp Roll coating apparatus for panel products
US6180172B1 (en) 1994-11-29 2001-01-30 Henkel Kommanditgesellschaft Auf Aktien Process and apparatus for treating surfaces
US6660086B1 (en) 2000-03-06 2003-12-09 Innovative Coatings, Inc. Method and apparatus for extruding a coating upon a substrate surface
WO2005025826A1 (fr) * 2003-09-18 2005-03-24 Groupe Bob, Inc. Procede et systeme de production industrielle de planches en bois pre-huilees
US8945706B2 (en) 2007-07-02 2015-02-03 Yin Wang Polymeric composition for cellulosic material binding and modifications
US20150086772A1 (en) 2013-09-25 2015-03-26 Andersen Corporation Methods of filling wood voids and reducing waste in production of coated wood products

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1275921B (de) * 1960-07-01 1968-08-22 Gilbert F Hoffmann Verfahren zum Glaetten und Porenfuellen von Holzoberflaechen
CH445095A (de) * 1960-07-01 1967-10-15 F Hoffmann Gilbert Verfahren zum Behandeln von mit einem Überzug zu versehenden Oberflächen von Holz oder Kunstholz
US3219473A (en) * 1964-12-29 1965-11-23 Gen Plywood Corp Method of coating and smoothing wood surface
DD226781A1 (de) * 1984-08-06 1985-09-04 Wtz Holzverarbeitende Ind Anordnung zum impraegnieren einseitig gestrichener oder lackierter papierbahnen
DE102004007503B3 (de) * 2004-02-13 2005-09-29 3H-Lacke Lackfabrik Hammen Gmbh & Co. Kg Verfahren und Vorrichtung zur Beschichtung von Elementen aus natur- und/oder holzfaserhaltigen Werkstoffen mit Lacksystemen
DE102012103491A1 (de) * 2012-04-20 2013-10-24 Fritz Egger Gmbh & Co. Og Verfahren und Vorrichtung zur Herstellung einer strukturierten Lackoberfläche
DE102015005495A1 (de) * 2015-04-30 2016-11-03 Klebchemie M.G. Becker Gmbh & Co. Kg Verfahren zur Herstellung von strukturierten Oberflächen und derart strukturierte Gegenstände

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925800A (en) 1955-01-17 1960-02-23 Marsh Wall Products Inc Roller coating machine for rigid sheet material
US3693585A (en) 1970-08-06 1972-09-26 Georgia Pacific Corp Roll coating apparatus for panel products
US6180172B1 (en) 1994-11-29 2001-01-30 Henkel Kommanditgesellschaft Auf Aktien Process and apparatus for treating surfaces
US6660086B1 (en) 2000-03-06 2003-12-09 Innovative Coatings, Inc. Method and apparatus for extruding a coating upon a substrate surface
WO2005025826A1 (fr) * 2003-09-18 2005-03-24 Groupe Bob, Inc. Procede et systeme de production industrielle de planches en bois pre-huilees
US8945706B2 (en) 2007-07-02 2015-02-03 Yin Wang Polymeric composition for cellulosic material binding and modifications
US20150086772A1 (en) 2013-09-25 2015-03-26 Andersen Corporation Methods of filling wood voids and reducing waste in production of coated wood products

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Twin Roller Coating Machine SAS", TECHNICAL INFORMATION, 4 May 2007 (2007-05-04), pages 1 - 2, XP055922196
FRANCO BULIAN ET AL.: "Wood Coatings: Theory and Practice", 1 January 2009, article "Chapter 9 - Operational Aspects of Wood Coatings: Application and Surface Preparation", pages: 259 - 288, XP055922208, DOI: 10.1016/B978-0-444-52840-7.00009-6

Also Published As

Publication number Publication date
EP3453464A3 (fr) 2019-06-19
EP3453464A2 (fr) 2019-03-13
PL3453464T3 (pl) 2021-07-26

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