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WO2010112511A1 - Promoteur d'adhérence pour laquages et impressions - Google Patents

Promoteur d'adhérence pour laquages et impressions Download PDF

Info

Publication number
WO2010112511A1
WO2010112511A1 PCT/EP2010/054217 EP2010054217W WO2010112511A1 WO 2010112511 A1 WO2010112511 A1 WO 2010112511A1 EP 2010054217 W EP2010054217 W EP 2010054217W WO 2010112511 A1 WO2010112511 A1 WO 2010112511A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
article
lacquer
printing
melt
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/EP2010/054217
Other languages
German (de)
English (en)
Inventor
Jens Fandrey
Klaus Becker-Weimann
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
Application filed by Klebchemie MG Becker GmbH and Co KG filed Critical Klebchemie MG Becker GmbH and Co KG
Publication of WO2010112511A1 publication Critical patent/WO2010112511A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/302—Water
    • C08G18/307—Atmospheric humidity
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2170/00—Compositions for adhesives
    • C08G2170/20—Compositions for hot melt adhesives

Definitions

  • the present invention relates to an article whose surface is at least partially painted or printed and methods for its coating or printing.
  • lacquers or prints are currently used on the surface of objects in large quantities, for example in the furniture and woodworking industry.
  • the adhesion often has to be increased, which can be achieved by pretreatment of the article surface.
  • special basecoats or primers are used for bonding, to which topcoats are then applied or these are printed.
  • the primer layer can also serve other purposes beyond. Thus, with the help of the primer layer, an undesirable interaction between paint or
  • Object surfaces can be avoided, for example, the so-called Anreibuanss free, ie the enhancement of the natural color and structure of
  • the primer layer can serve to level out unevenness on the article surface, thus achieving a more homogeneous appearance of the topcoat or the print.
  • UV-curing coatings which are usually applied by roller application, more rarely by spray application to the parts.
  • the subsequent curing process is carried out with UV light or UV lamps.
  • UV-curing systems usually require several jobs - in practice, three to four jobs are commonly required. Due to the viscosity, but especially due to the UV curing, only about 10 to 20 ⁇ m thick layers per application can be applied with each coating application, which is why several coating jobs are generally required.
  • paints dry relatively quickly and can then have a high resistance to moisture and cleaning agents.
  • Suitable paints are described for example in DE-A 196 47 982.
  • Multilayer coatings are described, for example, in DE-A 100 55 549.
  • WO-A 2006/066954 for example, such a layer is described in a multilayer system, wherein the melt mass should have a thickness of 20 to 150 microns.
  • the hotmelt layer has the advantage that the desired layer thicknesses can be applied in one operation.
  • the cured melt still provides sufficient flexibility to avoid the formation of Sprödrissen.
  • the melt-mass layer is used as a substitute for one or more lacquer layers, so that preferably a single lacquer layer is sufficient to obtain a desired coating.
  • WO-A 2006/066954 does not describe the use of a reactive melt in the form of a thin adhesion promoter layer, which allows a conventional coating or printing of an object surface.
  • the present invention is therefore based on the object to provide an improved method for painting or printing, in which the disadvantages described above are at least partially avoided.
  • the object is achieved by a method for painting or printing on at least part of the surface of an article containing the steps
  • a further aspect of the present invention is an article having a lacquer layer or printing on at least part of its surface containing a primer layer containing a polyurethane-based reactive melt on at least a portion of the article surface and a lacquer layer or a print on the primer layer, wherein the primer layer has a Thickness of less than 20 mm.
  • the polyurethane-based reactive melt is preferably a commercially available polyurethane-based reactive melt which normally reacts with the aid of the moisture present in the ambient air and hardens.
  • this reactive melt is free of water and solvent.
  • Such reactive enamels represent hot-liquid components, solid hotmelt adhesives which are solid at room temperature and are known as such in the prior art. They are often called "hot melts" or "hotmelts".
  • Reactive hotmelts are sold, for example, as PUR-SK series by the company Klebchemie M.G. Becker GmbH & Co. KG, Weingarten (Germany).
  • the entire adhesion promoter layer consists of the melt.
  • the preferably water- and solvent-free reactive melt is usually applied to the surface to be coated at a temperature of at least 100 0 C, about 100 0 C to 150 0 C, preferably 120 0 C to 150 0 C. Normally, about 5 to 20 g of reactive melt can be 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 viscosity according to BROOKFIELD at 120 0 C in the range of about 1000 mPas to 30,000 mPas, preferably 4,000 mPas to 10,000 mPas. It is advantageous to apply the reactive melt 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. Similarly, a curtain coating or by fiber (thread application) is possible. Even when cured, the reactive melt layer still has some residual elasticity.
  • the reactive melt layer has a thickness in the range of 5 to 15 microns.
  • the application of the adhesion promoter layer does not have to take place over the entire surface, so that partial areas occur at which the layer is interrupted. This can occur, for example, when using gravure rollers. Nevertheless, the value of the mediator layer thickness should not be exceeded, at least on average. Preferably, the thickness is not exceeded over the entire surface to be painted or printed.
  • the lacquer used can be any lacquer which advantageously hardens quickly in order to allow the earliest possible further processing. When printing conventional dye and paint systems are used.
  • the coating or the printing can be done by conventional methods such as with the help of rollers, spraying, inkjet or digital printing.
  • 2-component polyurethane paints nitro paints or water-based paints may be mentioned.
  • the paints can be present, for example, as clear, white or colored lacquer.
  • UV-curing paints are used.
  • This widespread coating system can be applied to the objects by roller application or spray application.
  • the subsequent curing process is carried out with UV light or UV lamps. Due to the viscosity and UV curing, only approx. 10 to 20 ⁇ m thick layers can be applied with each coat of varnish, which is why several varnish jobs are usually necessary.
  • lacquer layer in one layer. Preferably, however, this is applied in multiple layers.
  • the lacquer layer preferably has a thickness in the range from 5 .mu.m to 25 .mu.m, more preferably from 5 .mu.m to 10 .mu.m.
  • this value typically multiplies. It is possible, for example, a single, two times, three times or four times application and to form the paint layer.
  • a smooth surface can be achieved in that after application to the (partial) surface of the article, the reactive enamel or the adhesion promoter layer is smoothed. This is not always mandatory. As a result, surface irregularities are avoided, which could result from the mere application of the hot reactive melt.
  • the smoothing by means of a smoothing roll, for example a steel roller, or a smoothing belt, which may optionally be provided with a polyurethane coating.
  • the means for smoothing during wetting is wetted with a release agent. In this way it is effectively prevented that the not yet cured reactive melt breaks off on the object and sticks to the roller.
  • a release agent a solvent-free and low-viscosity paraffin wax-based agent can be used. By using such an agent, the surface of the reactive melt can become even smoother.
  • the release agent based on paraffin wax may be clear and, for example, have a density of about 0.85 g / cm 3 and a viscosity at 20 0 C according to BROOKFIELD of about 34 mPas. A viscosity range between 30 and 500 mPas is also conceivable.
  • the order amount may be, for example, about 20 to 35 g / m 2 .
  • the release agent is applied to the means for smoothing, for example, by the spray method or vacuum spray method.
  • the release agent can also be impregnated by means of a Felt be applied, which is a particularly simple and secure way to create a uniform, thin release agent during the smoothing of the reactive melt.
  • the paint to be applied to the article is used as a release agent.
  • the smoothing of the reactive enamel and the application of the lacquer layer can be done in a working gang, which shows, inter alia, the further advantage of a fast and inexpensive coating.
  • the articles are elements for plank and parquet floors, to which particularly high demands are made with respect to a seal.
  • the surface of the article may consist of wood or a wood-like material, such as paper, cardboard, papier-mâché, veneers, wood-plastic composites (WPC), and may be made of plastic or ceramic, preferably of wood or plastic wood-like material, in particular of wood or a veneer.
  • wood or a wood-like material such as paper, cardboard, papier-mâché, veneers, wood-plastic composites (WPC)
  • WPC wood-plastic composites
  • a chipboard with 18 mm thickness and the dimensions 1.20 mx 2 m is coated with a hot melt adhesive from the company Klebchemie MG Becker GmbH & Co KG (VP 9383/190) by means of roller application (5 g / m 2 ) and then on the one hand by digital printing printed with a water-based ink (Example 1) and on the other hand painted with a UV-curing acrylic paint by roller application (Example 2). The adhesion is checked by cross-hatching.
  • the overall structure has a high water resistance.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un objet dont la surface est au moins partiellement laquée ou imprimée, ainsi qu'un procédé de laquage ou d'impression de l'objet, procédé caractérisé en ce qu'on utilise une couche à promoteur d'adhérence renfermant une masse fondue réactive.
PCT/EP2010/054217 2009-03-31 2010-03-30 Promoteur d'adhérence pour laquages et impressions Ceased WO2010112511A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009002048.9 2009-03-31
DE102009002048A DE102009002048A1 (de) 2009-03-31 2009-03-31 Haftvermittler für Lackierungen und Drucke

Publications (1)

Publication Number Publication Date
WO2010112511A1 true WO2010112511A1 (fr) 2010-10-07

Family

ID=42174390

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/054217 Ceased WO2010112511A1 (fr) 2009-03-31 2010-03-30 Promoteur d'adhérence pour laquages et impressions

Country Status (2)

Country Link
DE (1) DE102009002048A1 (fr)
WO (1) WO2010112511A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115697661A (zh) * 2020-06-16 2023-02-03 克力宝胶粘剂化学有限公司 复合膜及其使用涂布设施的生产

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010063554A1 (de) * 2010-12-20 2012-06-21 Klebchemie M.G. Becker Gmbh & Co. Kg Hochglanzoberfläche durch HotCoating
US9809726B2 (en) 2010-12-20 2017-11-07 Klebchemie M. G. Becker Gmbh & Co. Kg High-gloss surface by means of hot-coating
DE102013208159A1 (de) 2013-05-03 2014-11-06 Klebchemie M.G. Becker Gmbh & Co. Kg Verfahren zur Erzeugung von fugenlosen Hochglanzoberflächen sowie Gegenstände mit einer solchen Oberfläche
PT3094493T (pt) 2014-01-14 2018-01-10 Kronoplus Technical Ag Painel de camadas múltiplas para construção para a zona interior e exterior
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
DE202019104282U1 (de) 2019-08-05 2019-08-14 Klebchemie M.G. Becker Gmbh & Co. Kg Veredelte PU-Plattenoberfläche
DE102019215487A1 (de) * 2019-10-09 2021-04-15 Parkett Franz Gmbh Fussbodenelement aus Holz zur Bildung eines Holzbodens in einem Raum eines Gebäudes

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2038621A1 (de) * 1970-08-04 1972-02-24 Gerhard Steinbach Verfahren zur Behandlung von Holzoberflaechen
DE19647982A1 (de) 1996-11-21 1998-05-28 Basf Ag Dispersionen enthaltend Polyurethane mit Carbonylgruppen in Ketofunktion
DE10055549A1 (de) 2000-11-09 2002-05-29 Basf Coatings Ag Farb- und/oder effektgebende Mehrschichtlackierung, Verfahren zu ihrer Herstellung und ihre Verwendung
WO2006066954A1 (fr) 2004-12-22 2006-06-29 Klebchemie M. G. Becker Gmbh & Co. Kg Procede de colmatage de surfaces
DE102005006446A1 (de) * 2005-02-12 2006-08-17 ONA International Corporation, Wilmington Verfahren und Vorrichtung zur Oberflächenbeschichtung
DE60130251T2 (de) 2000-12-19 2008-05-15 Akzo Nobel Coatings International B.V. Verfahren zum beschichten eines substrates
EP2031001A1 (fr) * 2007-08-31 2009-03-04 Sika Technology AG Utilisation d'une composition de colle fondue à chaud en tant que première couche

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20071212A1 (it) * 2007-06-15 2008-12-16 Kuei S R L Rivestimento decorativo per oggetti e relativo metodo per decorare

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2038621A1 (de) * 1970-08-04 1972-02-24 Gerhard Steinbach Verfahren zur Behandlung von Holzoberflaechen
DE19647982A1 (de) 1996-11-21 1998-05-28 Basf Ag Dispersionen enthaltend Polyurethane mit Carbonylgruppen in Ketofunktion
DE10055549A1 (de) 2000-11-09 2002-05-29 Basf Coatings Ag Farb- und/oder effektgebende Mehrschichtlackierung, Verfahren zu ihrer Herstellung und ihre Verwendung
DE60130251T2 (de) 2000-12-19 2008-05-15 Akzo Nobel Coatings International B.V. Verfahren zum beschichten eines substrates
WO2006066954A1 (fr) 2004-12-22 2006-06-29 Klebchemie M. G. Becker Gmbh & Co. Kg Procede de colmatage de surfaces
DE102005006446A1 (de) * 2005-02-12 2006-08-17 ONA International Corporation, Wilmington Verfahren und Vorrichtung zur Oberflächenbeschichtung
EP2031001A1 (fr) * 2007-08-31 2009-03-04 Sika Technology AG Utilisation d'une composition de colle fondue à chaud en tant que première couche

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115697661A (zh) * 2020-06-16 2023-02-03 克力宝胶粘剂化学有限公司 复合膜及其使用涂布设施的生产
EP4164852A1 (fr) * 2020-06-16 2023-04-19 Klebchemie M.G. Becker GmbH & Co. KG Film composite et sa production à l'aide d'une installation de revêtement
JP2023530701A (ja) * 2020-06-16 2023-07-19 クライベリット・エス・エー・ウント・コンパニー・コマンディートゲゼルシャフト 複合フィルムおよびコーティング設備を用いたその製造
US20230234267A1 (en) * 2020-06-16 2023-07-27 Klebchemie M. G. Becker Gmbh & Co. Kg Composite film and production thereof using a coating facility

Also Published As

Publication number Publication date
DE102009002048A1 (de) 2010-10-07

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