EP1423208B2 - Procede de realisation de pieces presentant a leur surface une couche d'etancheification - Google Patents

Procede de realisation de pieces presentant a leur surface une couche d'etancheification Download PDF

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Publication number
EP1423208B2
EP1423208B2 EP02742758A EP02742758A EP1423208B2 EP 1423208 B2 EP1423208 B2 EP 1423208B2 EP 02742758 A EP02742758 A EP 02742758A EP 02742758 A EP02742758 A EP 02742758A EP 1423208 B2 EP1423208 B2 EP 1423208B2
Authority
EP
European Patent Office
Prior art keywords
roller
release agent
smoothing
layer
melt layer
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.)
Expired - Lifetime
Application number
EP02742758A
Other languages
German (de)
English (en)
Other versions
EP1423208A2 (fr
EP1423208B1 (fr
Inventor
Klaus Becker-Weimann
Oliver BÜKER
Uwe Schroeder
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.)
Kleiberit SE and Co KG
Original Assignee
Klebchemie MG Becker GmbH and Co KG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7685552&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1423208(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Klebchemie MG Becker GmbH and Co KG filed Critical Klebchemie MG Becker GmbH and Co KG
Priority to SI200230353T priority Critical patent/SI1423208T2/sl
Publication of EP1423208A2 publication Critical patent/EP1423208A2/fr
Application granted granted Critical
Publication of EP1423208B1 publication Critical patent/EP1423208B1/fr
Publication of EP1423208B2 publication Critical patent/EP1423208B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • 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
    • B05D7/08—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 using synthetic lacquers or varnishes
    • 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
    • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
    • B05D1/265—Extrusion coatings
    • 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
    • B05D2503/00—Polyurethanes

Definitions

  • the invention relates to a method for producing parts with a sealing layer on the surface and on such parts.
  • lacquers are currently used as a sealing layer on the surface of parts in large quantities, such as in the furniture and woodworking industry, but also in parts made of steel, non-ferrous metals, plastic, paper, cardboard, paper mache or mineral materials .
  • a widespread paint system are UV-curing coatings, which are usually applied by roller application, less often sprayed on the parts. The subsequent curing process is carried out with UV light or UV lamps.
  • the mechanical complexity of painting with UV coatings is very high and requires a very large amount of space.
  • the large space requirement is also due to the fact that coating operations with UV-curing systems usually require several jobs - in practice, three to four jobs are common. Due to the viscosity, but especially due to the UV curing, only about 10 to 20 my layers can be applied with each coating application, which is why several coating jobs are necessary. UV lamps and the necessary energy for curing are very expensive.
  • Object of the present invention is to develop the prior art advantageous.
  • a water- and solvent-free, moisture-curing, polyurethane-based reactive melt layer can also be advantageously used to replace a previous coating on a variety of other materials to form a sealant layer. So this is possible for furniture parts that may consist of solid wood or fumed parts with a wood or wood-based material and glued veneer.
  • a reactive-melt layer can also be used for sealing wood-like materials, parts of steel, non-ferrous metals, plastic, paper, cardboard, paper mache or mineral substances.
  • a single coat without intermediate treatment in the form of grinding, curing or the like can be used to form a sealing layer with layer thicknesses between 5 and 150 microns, which has a very high abrasion resistance, high hardness and scratch resistance, good impact resistance and residual elasticity
  • a high chemical resistance and depending on requirements and needs has a high UV resistance.
  • this type of surface refinement is mechanically simple and therefore more economical.
  • any parts having a sealing layer on its surface formed as a water-free, solvent-free, moisture-curing reactive polyurethane-based melt layer an improvement in surface properties can be achieved by applying to the surface after application the portion of the reactive melt layer is smoothed. As a result, unevenness of the surface can be avoided, which can result from the mere application of the hot reactive melt and it results in an even smoother surface. It is then also possible to work with smaller amounts of material between 70 and 100 g / m 2 of reactive melt.
  • the water- and solvent-free reactive-melt layer is applied to the surface to be sealed at a temperature above 100 ° C, about 100 ° C to 140 ° C. In this case, about 70 to 100 g of reactive melt are applied per square meter of surface to be coated.
  • the reactive melt usually has a density of about 1.1 g / m 2 and a Brookfield viscosity at 120 ° C of about 4,000 mPas and at 140 ° C of about 2,400 mPas. It is advantageous to apply the reactive melt layer under exclusion of air and shielding from atmospheric moisture to prevent premature Ausreagieren.
  • the layer can, for example, be doctored, rolled, sprayed or applied by means of a nozzle or slot die. Even when cured as a 100% solid, the reactive melt layer still has some residual elasticity.
  • the parts Before any further processing of the surface-coated parts, the parts should be able to crosslink depending on the moisture supply for 3 to 5 days, so almost complete crosslinking has occurred and then surface scratches are avoided.
  • further processing can, for example, consist in the profiling of the tongue and groove joints. If necessary, further processing may also be necessary for other parts, or the production process is terminated with the surface coating according to the invention.
  • the smoothing by means of a roller, for example a steel roller, which may optionally be provided with a polyurethane coating.
  • the roller is wetted with a release agent during smoothing.
  • the release agent is applied as a solvent-free and low-viscosity agent based on paraffin wax.
  • Such a means prevents on the one hand the sticking of the reactive melt layer on the roller and, moreover, the surface of the reactive melt layer becomes much smoother and immediately block-free. An increase in the gloss level of the finished sealing layer can also be achieved with this release agent.
  • the release agent based on paraffin wax is clear and has a density of about 0.85 g / cm 3 and a viscosity at 20 ° C according to Brookfield of about 34 mPas.
  • the order amount is about 20 to 35 g / m 2 .
  • the release agent is applied to the roller, for example, by the spray method or vacuum spray method. However, it is preferable to apply the release agent to the roll by means of a soaked felt, which is a particularly simple and safe way of providing a uniform, thin release film during the smoothing of the reactive blacksmith layer.
  • An apparatus for producing parts having a sealing layer on its surface includes an application station, a transporting device and a smoothing station. It is advantageous if a heating device is arranged between the application station and the smoothing station.
  • the smoothing station comprises at least one roller, which is for example a steel roller and may have a polyurethane coating. Moreover, it is advantageous if the roller is wettable with a release agent. This release agent is about a paraffin wax-based agent. For wetting the roller with the release agent, for example, a spray device, a vacuum spray device or a soaked felt may be provided.
  • a section of any part 1 is shown, for example, a floorboard for parquet floors.
  • the actual plank usually consists of several, not shown in the drawing layers, namely at least one cover layer of wood, which is glued to one or more sub-layers.
  • a sealant layer 2 of a water and solvent free, moisture-cured, polyurethane-based reactive melt layer which has been smoothed during manufacture by means of a roller wetted with a paraffin-based release agent after application.
  • This smoothing process results in a particularly smooth surface of the sealing layer, which is indicated by the further line 3.
  • FIGS. 2 and 3 show a schematically illustrated production line 4 for the continuous production of the parts according to the invention.
  • the production line 4 contains a transport device 5 for the parts to be coated.
  • the reactive melt layer is heated to at least 100 ° C under exclusion of air and shielding and then pumped by a pumping device, not shown, in a heated hose, passed through the hose to an applicator, such as a slot 7 and of the slot nozzle is applied to the part 1.
  • the production line and its components are controlled and controlled by an indicated control unit 13.
  • a schematic drive unit 14 for the transport device 5 is indicated.
  • the coated with the reactive melt Part 1 is from the application station for fixing and Smoothing station 8 transported further. Between the application of the reactive melt layer 2 and the fixing station 8, the surface of the reactive melt layer is supplied with heat via an indicated heating device 9 in order to keep the reactive melt layer at least viscous.
  • rollers 10 are rotatably mounted and optionally height-adjustable.
  • the rollers are for example provided with a polyurethane coating.
  • the felt releases a uniform small amount of the release agent as a thin layer on the surface of the rollers 10 which they pass on contact with the surface of the reactive melt layer 2.
  • the release agent the surface of the reactive melt layer 2 is immediately block-free and the smoothing process supported.
  • the coated and smoothed parts are transported further from the fixing and smoothing station 8 by the transport device 5 and are usually temporarily stored for crosslinking of the reactive melt layer 2 for about three to five days.
  • the reactive melt layer 2 forms a sealant layer integral with part 1, which is a 100% solids and whose thickness can be adjusted between 5 and 150 microns during application depending on requirements.
  • a further processing of Part 1 could consist in the case of the floorboard for parquet floors in a profiling of the tongue and groove area of the hallway.
  • inventive method is not limited to the application in planks for parquet boards, but can be used for the production of any parts with a sealing layer on the surface.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Sealing Material Composition (AREA)
  • Paints Or Removers (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Gasket Seals (AREA)
  • Coating Apparatus (AREA)

Claims (11)

  1. Procédé en vue de la fabrication d'une pièce quelconque ayant uns couche de scellement sur sa surface par une seule application sans traitement intermédiaire, avec épaisseurs de la couche entre 5 µm et 150 µm, qui est appliqué sur la surface de la pièce en tant que couche sous forme de masse réactive à l'état fondu à base de polyurethane, durcissant sous l'effet de l'humidité de l'air, exempte d'eau et de solvents à une température entre approximativement 100 °C et 140 °C, caractérisé en ce que la couche sous forme de masse réactive à l'état fondu subit un lissage après l'application.
  2. Procédé selon la revendication 1, caractérisé en ce que l'on introduit de la chaleur entre l'application et le lissage de la surface de la couche sous forme de masse réactive à l'état fondu.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le lissage de la couche sous forme de masse réactive à l'état fondu se fait à l'aide d'au moins un rouleau.
  4. Procédé selon la revendication 3, caractérisé en ce que l'on utilise un rouleau en acier.
  5. Procédé selon la revendication 3 ou 4, caractérisé en ce que le rouleau présente un revêtement en polyuréthanne.
  6. Procédé selon l'une quelconque des revendications 3 à 5, caractérisé en ce que le rouleau est mouillé lors du lissage à l'aide d'un agent de séparation.
  7. Procédé selon la revendication 6, caractérisé en ce que l'agent de séparation est appliqué en tant que milieu exempt de solvant et à faible viscosité à base de cire de paraffine.
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce que l'agent de séparation est appliqué sur le rouleau à l'aide du procédé de pulvérisation.
  9. Procédé selon la revendication 6 ou 7, caractérisé en ce que l'agent de séparation est appliqué grâce au procédé de pulvérisation sous vide.
  10. Procédé selon la revendication 6 ou 7, caractérisé en ce que l'agent de séparation est appliqué sur le rouleau à l'aide d'un feutre imprégné.
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la pièce quelconque est une pièce de meuble ou une pièce qui se compose d'une substance similaire au bois, d'acier, d'un métal non ferreux, d'une matière synthétique, de papier, de carton ou de papier mâché ou d'une substance minérale.
EP02742758A 2001-05-18 2002-05-16 Procede de realisation de pieces presentant a leur surface une couche d'etancheification Expired - Lifetime EP1423208B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200230353T SI1423208T2 (sl) 2001-05-18 2002-05-16 Postopek za pripravo delov z zatesnilno plastjo na površini

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10124676 2001-05-18
DE10124676A DE10124676A1 (de) 2001-05-18 2001-05-18 Verfahren und Vorrichtung zur Herstellung von Teilen mit einer Versiegelungsschicht auf der Oberfläche und derartige Teile
PCT/DE2002/001771 WO2002094457A2 (fr) 2001-05-18 2002-05-16 Procede et dispositif de realisation de pieces presentant a leur surface une couche d'etancheification, et pieces correspondantes

Publications (3)

Publication Number Publication Date
EP1423208A2 EP1423208A2 (fr) 2004-06-02
EP1423208B1 EP1423208B1 (fr) 2006-04-05
EP1423208B2 true EP1423208B2 (fr) 2009-01-07

Family

ID=7685552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02742758A Expired - Lifetime EP1423208B2 (fr) 2001-05-18 2002-05-16 Procede de realisation de pieces presentant a leur surface une couche d'etancheification

Country Status (10)

Country Link
US (1) US7939137B2 (fr)
EP (1) EP1423208B2 (fr)
JP (1) JP2004531388A (fr)
AT (1) ATE322350T1 (fr)
AU (1) AU2002338833A1 (fr)
CA (1) CA2447609C (fr)
DE (3) DE10124676A1 (fr)
ES (1) ES2265042T5 (fr)
SI (1) SI1423208T2 (fr)
WO (1) WO2002094457A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2654974B1 (fr) 2010-12-20 2019-02-06 Klebchemie M.G. Becker GmbH & Co. KG Surface superbrillante par revêtement à chaud

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10124676A1 (de) 2001-05-18 2002-11-28 Klebchemie, M.G. Becker Gmbh & Co Kg Verfahren und Vorrichtung zur Herstellung von Teilen mit einer Versiegelungsschicht auf der Oberfläche und derartige Teile
DE10124688A1 (de) 2001-05-18 2002-11-28 Klebchemie, M.G. Becker Gmbh & Co Kg Verfahren und Vorrichtung zur Herstellung von Furnieren und von furnierten Teilen sowie Furniere und furnierte Teile
DE102004061771A1 (de) * 2004-12-22 2006-07-06 Klebchemie M.G. Becker Gmbh +Co.Kg Verfahren zur Versiegelung von Oberflächen
DE102005016516A1 (de) 2005-04-08 2006-10-12 Klebchemie M.G. Becker Gmbh & Co. Kg Mehrstufig härtende Oberflächenbeschichtung
DE102005042658B3 (de) * 2005-09-08 2007-03-01 Kronotec Ag Bauplatte, insbesondere Fußbodenpaneel
DE102006007869A1 (de) 2006-02-17 2007-08-30 Jowat Ag Verfahren zur Kaschierung von Kunststoffolien auf Holzwerkstoffsubstraten, insbesondere zur Erzeugung von Hochglanzoberflächen
DE102006055951A1 (de) * 2006-11-24 2008-05-29 Robert Bürkle GmbH Verfahren und Vorrichtung zum Beschichten einer Holzwerkstoffplatte mit einer Folie
DE102008031958A1 (de) * 2008-07-07 2010-01-14 Klebchemie M.G. Becker Gmbh & Co. Kg Verfahren zum Laminieren von Hochglanzoberflächen
ITBO20100146A1 (it) * 2010-03-11 2011-09-12 Biesse Spa Metodo per la finitura di un pannello di legno o simili
CA2900919C (fr) 2014-08-18 2018-09-11 Congoleum Corporation Articles resilients et methodes de fabrication associees
DE102017221708A1 (de) 2017-12-01 2019-06-06 Klebchemie, M.G. Becker Gmbh & Co Kg Vorrichtung und Verfahren zum Aufschmelzen eines Schmelzklebstoffes
CN108894466B (zh) * 2018-09-18 2024-04-12 山东永庆森工新材料有限公司 一种防腐木地板及其加工方法

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EP0918600B1 (fr) † 1996-07-26 2001-01-17 Henkel Kommanditgesellschaft auf Aktien Procede pour ameliorer des surfaces

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19543901A1 (de) † 1994-11-29 1996-05-30 Schieber Chem Fab R Dr Vorrichtung und Verfahren zur Behandlung von Oberflächen
EP0918600B1 (fr) † 1996-07-26 2001-01-17 Henkel Kommanditgesellschaft auf Aktien Procede pour ameliorer des surfaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2654974B1 (fr) 2010-12-20 2019-02-06 Klebchemie M.G. Becker GmbH & Co. KG Surface superbrillante par revêtement à chaud

Also Published As

Publication number Publication date
ES2265042T3 (es) 2007-02-01
ATE322350T1 (de) 2006-04-15
CA2447609C (fr) 2012-02-28
SI1423208T1 (sl) 2006-10-31
US7939137B2 (en) 2011-05-10
WO2002094457A2 (fr) 2002-11-28
AU2002338833A1 (en) 2002-12-03
DE10292159D2 (de) 2003-12-24
EP1423208A2 (fr) 2004-06-02
SI1423208T2 (sl) 2009-06-30
US20050255250A1 (en) 2005-11-17
WO2002094457A3 (fr) 2004-03-11
DE50206330D1 (de) 2006-05-18
ES2265042T5 (es) 2009-05-04
DE10124676A1 (de) 2002-11-28
CA2447609A1 (fr) 2002-11-28
EP1423208B1 (fr) 2006-04-05
JP2004531388A (ja) 2004-10-14

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