EP0109663A2 - Wall-paper backing with an adhesive surface layer - Google Patents

Wall-paper backing with an adhesive surface layer Download PDF

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Publication number
EP0109663A2
EP0109663A2 EP83111504A EP83111504A EP0109663A2 EP 0109663 A2 EP0109663 A2 EP 0109663A2 EP 83111504 A EP83111504 A EP 83111504A EP 83111504 A EP83111504 A EP 83111504A EP 0109663 A2 EP0109663 A2 EP 0109663A2
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EP
European Patent Office
Prior art keywords
adhesion
wallpaper
sub
weight
flame retardant
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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.)
Granted
Application number
EP83111504A
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German (de)
French (fr)
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EP0109663A3 (en
EP0109663B1 (en
Inventor
Uwe Lauterbach
Karl-Heinz Schickel
Tom Edward Coops Van Utteren
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Hoechst AG
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Hoechst AG
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Priority to AT83111504T priority Critical patent/ATE35432T1/en
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Publication of EP0109663B1 publication Critical patent/EP0109663B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material

Definitions

  • the invention relates to a flame-retardant sub-wallpaper made of rigid polystyrene foam which has an adhesion-promoting coating on at least one of its surfaces to improve the adhesion between the sub-wallpaper and wall covering, in particular wallpaper, this coating comprising a flame-retardant additive.
  • Under-wallpaper is to be understood as an underlay in the form of a plate or film which is applied to a wall or ceiling and serves as a base for a covering, in particular for wallpapers.
  • a sub-wallpaper made of rigid polystyrene foam is described, for example, in EU-A-0 036 156 and DE-U-79 31 745.
  • the invention further relates to a means provided for the production of this sub-wallpaper of the type mentioned in the preamble of claim 7.
  • Wall cladding panels or foils made of rigid polystyrene foam are generally known and serve as so-called sub-wallpapers for covering walls before a wallpaper is stuck on;
  • foil rolls can also be found on the market. They are generally characterized by a rectangular spatial shape, their length and width are proportionately much larger than their thickness. With these plates or foils you can, for example, cover wall cracks, achieve a certain level of thermal insulation and condensation prevent education.
  • a certain disadvantage of such wall cladding sheets or foils may be that excessive heat, e.g. due to open flames, the polystyrene melts below the flash point of a glued-on wallpaper and / or the foam structure breaks down. This creates a cavity between the wallpaper and the wall, so that when the flash point is reached, the wallpaper, which is favored by this cavity, burns very easily.
  • this special equipment is often not required, so that it then makes the production of these products unnecessarily cumbersome and expensive.
  • DE-U-79 31 745 teaches not the paste, but the adhesion-promoting agent applied to the sub-wallpaper made of polystyrene rigid foam To provide the surface layer with a flame retardant.
  • the wallpaper provided with a paste is then connected to the sub-wallpaper via this adhesion-promoting layer.
  • the plates are coated with an aqueous dispersion in the manner of filled dispersion adhesives during their production and then dried in a heating channel.
  • the adhesion promoter has the task of increasing the adhesive strength between the sub-wallpaper and the wallpaper provided with paste.
  • the surface layer of the sub-wallpaper containing the adhesion promoter may also have a flame-retardant additive, but this document does not contain any information about the type and amount of this substance or the application process.
  • the task therefore arises of developing a highly effective flame retardant for composites comprising a sub-wallpaper with an adhesion-promoting surface layer and a wall covering, in particular a wallpaper, which on the one hand has the adhesive properties of the surface-coated foamed polystyrene plates or foils compared to those to be applied thereon Materials, in particular wallpaper provided with paste, are not adversely affected, but even improved, and on the other hand the flammability of the composite of sub-wallpaper and wall covering, in particular wallpaper, is reduced, in the case of wallpapers having a basis weight of 50 to 300 g / m 2 Class B2 or even B1 (DIN 4102) should be achieved.
  • the sub-wallpaper can be in the form of sheet-like foils or rectangular plates, as have been known for a long time.
  • the film has a customary thickness of 1 to 10, in particular 1 to 6 mm and a width of up to 1200 mm, the plate has a customary thickness of 1 to 12, in particular 2 to 8 mm, and is in a form which is dependent on the intended use , it can also be folded.
  • the material from which the sub-wallpaper is made is rigid polystyrene foam, e.g. Particle foam, but preferably extruded rigid polystyrene foam. Processes for the production of such plates or foils or the materials themselves are known; reference is made to the references cited in EU-A-0 036 156.
  • the adhesion-promoting coating comprises in particular the copolymers or terpolymers specified in claim 2 with a predominant proportion of vinyl acetate units, preferably a terpolymer composed of vinyl acetate, ethylene and vinyl chloride units is used (for example ®Mowilith D M 120 or ® Mowilith DM 122 , Manufacturer. Hoechst) ..
  • the flame retardant can predominantly comprise organic or inorganic flame retardants, in particular halogen-containing and phosphorus-containing compounds known as such, e.g. chlorinated paraffins, or decabromodiphenyl ether or triphenyl phosphate can be used.
  • halogen-containing and phosphorus-containing compounds known as such, e.g. chlorinated paraffins, or decabromodiphenyl ether or triphenyl phosphate can be used.
  • the halogen compounds, silicates and phosphates usually used for plastics or papers are not used, but non-combustible inorganic compounds based on boron, aluminum or antimony.
  • These compounds include, in particular, boric acid or salts thereof, antimony oxides and aluminum hydroxide (eg ® M ar- TINAL ON 310, manufacturer Martinswerke / Cologne).
  • aluminum hydroxide eg ® M ar- TINAL ON 310, manufacturer Martinswerke / Cologne.
  • the use of aluminum hydroxide with zinc borate gives an unexpectedly great synergistic effect with regard to the flame retardant effect, which is strongest when the weight ratio of the aluminum to the zinc compound is 1: 1 to 7: 1, in particular 2: 1 to 5: 1, is.
  • these preferred flame retardants show a significantly lower development of smoke gases compared to other flame retardants and bring about a significantly reduced flammability of the composite of polystyrene foam and wallpaper. As has further been shown, they surprisingly even improve the adhesive effect of the adhesive raw material, which was not predictable.
  • Applying the adhesion-promoting coating to the Bottom wallpaper occurs, for example, according to the so-called knife application process in the manner of a gluing machine.
  • the agent mentioned in one of claims 7 to 10 is used.
  • the coated material is then dried in a heating channel. Practically all of the water is removed.
  • other application methods can also be used, such as rotary screen printing, roller application, brush application, casting processes with and without printing or spraying processes.
  • the application amount of the surface coating is adjusted so that the weight per unit area after drying is 100 to 400, preferably 200 to 300 g / m 2 .
  • the coating components When applied, the coating components are in aqueous dispersion, to which small amounts of processing agents such as cellulose ether and dispersion-stabilizing and film-forming aids are also added.
  • processing agents such as cellulose ether and dispersion-stabilizing and film-forming aids are also added.
  • wetting agents, preservatives, defoamers and an agent favoring film formation such as butyl diglycol acetate, may also advantageously be present in a total amount of up to 5% by weight, based on the total weight of the dispersion.
  • the wallpaper is provided after the connection with the substrate, for example, room wall or ceiling, on their adhesion-promoting surface layer with a covering, 'for example, a T apete, a paint, a leveling or a plaster.
  • a covering for example, a T apete, a paint, a leveling or a plaster.
  • a flame-retardant wallpaper of the brand ® Kinnasand (manufacturer AB Kinnasand, Sweden) was provided with a paste and then applied to the polystyrene rigid foam plate coated with the above dispersion.
  • This composite (wallpaper plus sub-wallpaper) achieved the classification B 1 (flame retardant) according to DIN 4102 in several combustion tests.
  • Example 1 The wallpaper of Example 1 was provided with a paste and then applied to a polystyrene foam sheet which had been treated with the above-mentioned aqueous dispersion, but without the flame retardants.
  • the classification B 2 (normally flammable) according to DIN 4102 was achieved with this combination in several combustion tests. -
  • a heavy paper wallpaper (approx. 200 g / m 2 ) was provided with a paste, then applied to the polystyrene foam sheet treated with the dispersion of Example 1 and the composite subjected to the usual combustion tests.
  • Classification B 2 (normally flammable) according to DIN 4102 was achieved with the composite.
  • a heavy paper wallpaper (approx. 200 g / m 2 ) was provided with a paste and applied to the adhesion-promoting surface layer of a foamed polystyrene plate and the composite was tested in combustion tests.
  • the above-mentioned dispersion but without the flame retardants, was applied to the plate and dried.
  • the classification B 3 (highly flammable) according to DIN 4102 was determined in this network.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
  • Finishing Walls (AREA)

Abstract

1. Wall-paper backing made of polystyrene rigid foam, which on at least one of its surfaces is provided with a coating for improving the adhesion between the wall-paper backing and the combustible covering, such as wall-paper, and which comprises a flame-retardant, wherein said adhesion-improving coating is comprised of an adhesion-promoting compound comprising a copolymer or terpolymer which contains a predominant proportion of vinyl acetate units, with at least one non-combustible inorganic compound based on boron or aluminum as the flame retardant, whereby the weight ratio of adhesion-promoting compound to flame retardant varies between 1:3 and 1:8 and the adhesion-improving coating has a weight per unit area of 100 to 400 g/m**2, preferably of 200 to 300 g/m**2 (dry).

Description

Die Erfindung bezieht sich auf eine schwerentflammbare Untertapete aus Polystyrol-Hartschaum, welche auf mindestens einer ihrer Oberflächen eine haftvermittelnde Beschichtung zur Verbesserung der Haftung zwischen Untertapete und Wandbelag, insbesondere Tapete, aufweist, wobei diese Beschichtung einen flammhemmenden Zusatz umfaßt. Unter Untertapete ist ein Unterlagsstoff in Form einer Platte oder Folie zu verstehen, der auf eine Wand oder Decke aufgebracht wird und als Unterlage für einen Belag, insbesondere für Tapeten, dient. Eine Untertapete aus Polystyrol-Hartschaum ist beispielsweise in der EU-A-0 036 156 und dem DE-U-79 31 745 beschrieben.The invention relates to a flame-retardant sub-wallpaper made of rigid polystyrene foam which has an adhesion-promoting coating on at least one of its surfaces to improve the adhesion between the sub-wallpaper and wall covering, in particular wallpaper, this coating comprising a flame-retardant additive. Under-wallpaper is to be understood as an underlay in the form of a plate or film which is applied to a wall or ceiling and serves as a base for a covering, in particular for wallpapers. A sub-wallpaper made of rigid polystyrene foam is described, for example, in EU-A-0 036 156 and DE-U-79 31 745.

Die Erfindung bezieht sich ferner auf ein zur Herstellung dieser Untertapete vorgesehenes Mittel von der im Oberbegriff des Anspruchs 7 genannten Art.The invention further relates to a means provided for the production of this sub-wallpaper of the type mentioned in the preamble of claim 7.

Wandverkleidungsplatten oder -folien aus Polystyrol-Hartschaum sind allgemein bekannt und dienen als sogenannte Untertapeten zum Verkleiden von Wänden vor dem Aufkleben einer Tapete; im Handel sind neben Platten in gefalteter oder ungefalteter Form auch Folienrollen anzutreffen. Sie zeichnen sich im allgemeinen durch eine rechteckige Raumform aus, ihre Länge und Breite sind dabei im Verhältnis wesentlich größer als ihre Dicke. Mit diesen Platten,oder Folien kann man beispielsweise Mauerrisse verkleiden, eine gewisse Wärmedämmung erzielen und die Schwitzwasserbildung verhindern.Wall cladding panels or foils made of rigid polystyrene foam are generally known and serve as so-called sub-wallpapers for covering walls before a wallpaper is stuck on; In addition to sheets in folded or unfolded form, foil rolls can also be found on the market. They are generally characterized by a rectangular spatial shape, their length and width are proportionately much larger than their thickness. With these plates or foils you can, for example, cover wall cracks, achieve a certain level of thermal insulation and condensation prevent education.

Ein gewisser Nachteil derartiger Wandverkleidungsplatten oder -folien kann darin bestehen, daß bei übergroßer Wärmeeinwirkung, z.B. durch offene Flammen bedingt, das Polystyrol noch unterhalb des Flammpunktes einer aufgeklebten Tapete schmilzt und/oder die Schaumstruktur zusammenbricht. Dabei entsteht zwischen Tapete und Wand ein Hohlraum, so daß bei Erreichen des Flammpunktes auch der Tapete, diese - begünstigt durch diesen Hohlraum - sehr leicht brennt. Um diesen Nachteil zu beheben, ist es bekannt, die Wandverkleidungsplatte oder.-folie, die Tapete oder beide flammfest auszurüsten. Oftmals ist jedoch diese spezielle Ausrüstung nicht erforderlich, so daß sie dann unnötigerweise die Herstellung dieser Produkte umständlicher und teurer macht.A certain disadvantage of such wall cladding sheets or foils may be that excessive heat, e.g. due to open flames, the polystyrene melts below the flash point of a glued-on wallpaper and / or the foam structure breaks down. This creates a cavity between the wallpaper and the wall, so that when the flash point is reached, the wallpaper, which is favored by this cavity, burns very easily. In order to remedy this disadvantage, it is known to provide the wall covering panel or foil, the wallpaper or both with a flame-resistant finish. However, this special equipment is often not required, so that it then makes the production of these products unnecessarily cumbersome and expensive.

Aus der EU-A-0 036 156 ist es auch bekannt, zur Lösung dieses Problems, zum Verkleben von Tapeten auf geschäumten Polystyrolflächenkörpern einen Klebstoff zu verwenden, der eine an sich bekannte klebende Komponente enthält und der zusätzlich aber, bezogen auf seinen klebenden Anteil, 20 bis 80 Gew.-% eines flammhemmenden Mittels aufweist. Als Beispiel für geeignete flammhemmende Mittel werden Verbindungen auf Basis von Ammoniumphosphat und Ammoniumsulfamat genannt.From EU-A-0 036 156 it is also known to use an adhesive for solving this problem, for gluing wallpapers on foamed polystyrene sheets, which contains an adhesive component which is known per se and which, however, additionally, based on its adhesive portion, Has 20 to 80 wt .-% of a flame retardant. Compounds based on ammonium phosphate and ammonium sulfamate are mentioned as examples of suitable flame retardants.

Im Gegensatz dazu gibt das DE-U-79 31 745 die Lehre, nicht den Kleister, sondern die auf der Untertapete aus Polystyrol-Hartschaum aufgebrachte haftvermittelnde Oberflächenschicht mit einem Flammschutzmittel zu versehen. Die mit einem Kleister versehene Tapete wird dann über diese haftvermittelnde Schicht mit der Untertapete verbunden. Nach dieser Druckschrift werden die Platten bei ihrer Herstellung mit einer wäßrigen Dispersion in der Art gefüllter Dispersionsklebstoffe beschichtet und anschließend in einem Heizkanal getrocknet. Der Haftvermittler hat die Aufgabe, die Haftfestigkeit zwischen der Untertapete und der mit Kleister versehenen Tapete zu erhöhen. Nach dem DE-U-79 31 745 kann die den Haftvermittler enthaltende Oberflächenschicht der Untertapete zwar auch einen flammhemmenden Zusatz aufweisen, über Art und Menge dieses Stoffes sowie das Auftragsverfahren enthält diese Druckschrift jedoch keine Angaben.In contrast, DE-U-79 31 745 teaches not the paste, but the adhesion-promoting agent applied to the sub-wallpaper made of polystyrene rigid foam To provide the surface layer with a flame retardant. The wallpaper provided with a paste is then connected to the sub-wallpaper via this adhesion-promoting layer. According to this publication, the plates are coated with an aqueous dispersion in the manner of filled dispersion adhesives during their production and then dried in a heating channel. The adhesion promoter has the task of increasing the adhesive strength between the sub-wallpaper and the wallpaper provided with paste. According to DE-U-79 31 745, the surface layer of the sub-wallpaper containing the adhesion promoter may also have a flame-retardant additive, but this document does not contain any information about the type and amount of this substance or the application process.

Ausgehend von diesem Stand der Technik stellt sich somit die Aufgabe, für Verbunde aus einer Untertapete mit haftvermittelnder Oberflächenschicht und einem Wandbelag, insbesondere einer Tapete, einen gut wirksamen Flammschutz zu entwickeln, welcher einerseits die Hafteigenschaften der oberflächenbeschichteten geschäumten Polystyrolplatten oder -folien gegenüber den darauf aufzubringenden Materialien,.insbesondere mit Kleister versehenen Tapeten, nicht nachteilig beeinflußt, sondern sogar noch verbessert, und andererseits die Entflammbarkeit des Verbundes aus Untertapete und Wandbelag, insbesondere Tapete, herabsetzt, wobei im Falle von Tapeten mit einem Flächengewicht von 50 bis 300 g/m2 die Klasse B2 oder sogar Bl (DIN 4102) erreicht werden soll.Based on this state of the art, the task therefore arises of developing a highly effective flame retardant for composites comprising a sub-wallpaper with an adhesion-promoting surface layer and a wall covering, in particular a wallpaper, which on the one hand has the adhesive properties of the surface-coated foamed polystyrene plates or foils compared to those to be applied thereon Materials, in particular wallpaper provided with paste, are not adversely affected, but even improved, and on the other hand the flammability of the composite of sub-wallpaper and wall covering, in particular wallpaper, is reduced, in the case of wallpapers having a basis weight of 50 to 300 g / m 2 Class B2 or even B1 (DIN 4102) should be achieved.

Gelöst wird diese Aufgabe durch die Untertapete mit den im Anspruch 1 genannten Merkmalen und durch das Mittel mit den im Anspruch 7 angegebenen Merkmalen. Die Unteransprüche geben jeweils Weiterbildungen an. Die Gewichtsverhältnisse beziehen sich auf die reinen Stoffe, ohne Dispersions- oder Lösungsmittel.This object is achieved by the sub-wallpaper with the features mentioned in claim 1 and by the means with the features specified in claim 7. The subclaims indicate further training. The weight ratios relate to the pure substances, without dispersion or solvents.

Die Untertapete kann in Form von bahnförmigen Folien oder rechteckigen Platten vorliegen, wie sie seit längerem bekannt sind. Die Folie weist eine übliche Dicke von 1 bis 10, insbesondere 1 bis 6 mm und eine Breite bis 1200 mm auf, die Platte besitzt eine übliche Dicke von 1 bis 12, insbesondere 2 bis 8 mm, und liegt in einer vom Anwendungszweck abhängigen Form vor, sie kann auch gefaltet sein.The sub-wallpaper can be in the form of sheet-like foils or rectangular plates, as have been known for a long time. The film has a customary thickness of 1 to 10, in particular 1 to 6 mm and a width of up to 1200 mm, the plate has a customary thickness of 1 to 12, in particular 2 to 8 mm, and is in a form which is dependent on the intended use , it can also be folded.

Das Material, aus dem die Untertapete besteht, ist Polystyrol-Hartschaum, z.B. Partikelschaum, vorzugsweise jedoch extrudierter Polystyrol-Hartschaum. Verfahren zur Herstellung solcher Platten oder Folien oder die Materialien selbst sind bekannt, hierzu wird auf die in der EU-A-0 036 156 zitierten Literaturstellen verwiesen.The material from which the sub-wallpaper is made is rigid polystyrene foam, e.g. Particle foam, but preferably extruded rigid polystyrene foam. Processes for the production of such plates or foils or the materials themselves are known; reference is made to the references cited in EU-A-0 036 156.

Die haftvermittelnde Beschichtung umfaßt insbesondere die im Anspruch 2 angegebenen Co- oder Terpolymeren mit überwiegendem Anteil an Vinylacetat-Einheiten, vorzugsweise wird ein Terpolymeres aus Vinylacetat-, Ethylen-und Vinylchlorid-Einheiten verwendet (z.B. ® Mowilith DM 120 bzw. ® Mowilith DM 122, Hersteller. Hoechst)..The adhesion-promoting coating comprises in particular the copolymers or terpolymers specified in claim 2 with a predominant proportion of vinyl acetate units, preferably a terpolymer composed of vinyl acetate, ethylene and vinyl chloride units is used (for example ®Mowilith D M 120 or ® Mowilith DM 122 , Manufacturer. Hoechst) ..

Das Flammschutzmittel kann überwiegend organische oder anorganische Flammschutzstoffe umfassen, insbesondere können als solche bekannte halogenhaltige und phosphorhaltige Verbindungen, wie z.B. chlorierte Paraffine, oder Dekabromdiphenylether oder Triphenylphosphat verwendet werden.The flame retardant can predominantly comprise organic or inorganic flame retardants, in particular halogen-containing and phosphorus-containing compounds known as such, e.g. chlorinated paraffins, or decabromodiphenyl ether or triphenyl phosphate can be used.

In bevorzugter Ausführungsform werden allerdings nicht die bei Kunststoffen bzw. Papieren gewöhnlich herangezogenen Halogenverbindungen, Silicate und Phosphate verwendet, sondern nicht-brennbare anorganische Verbindungen auf Basis von Bor, Aluminium oder Antimon. Zu diesen Verbindungen zählen insbesondere Borsäure oder deren Salze, Antimonoxide und Aluminiumhydroxid (z.B. ® Mar- tinal ON 310, Hersteller Martinswerke/Köln). Die gemeinsame Verwendung von Aluminiumhydroxid mit Zinkborat ergibt einen unerwartet großen synergistischen Effekt im Hinblick auf die flammhemmende Wirkung, welche am stärksten ist, wenn das Gewichtsverhältnis der Aluminium- zur Zinkverbindung 1:1 bis 7:1, insbesondere 2:1 bis 5:1, beträgt. überraschenderweise zeigen gerade diese bevorzugten Flammschutzmittel gegenüber anderen Flammschutzmitteln eine wesentlich geringere Entwicklung von Rauchgasen und bewirken eine deutlich verringerte Entflammbarkeit des Verbundes aus Polystyrolschaum und Tapete. Wie sich weiterhin gezeigt hat, verbessern sie überraschenderweise sogar die haftvermittelnde Wirkung des Klebrohstoffs, was nicht vorhersehbar war.In a preferred embodiment, however, the halogen compounds, silicates and phosphates usually used for plastics or papers are not used, but non-combustible inorganic compounds based on boron, aluminum or antimony. These compounds include, in particular, boric acid or salts thereof, antimony oxides and aluminum hydroxide (eg ® M ar- TINAL ON 310, manufacturer Martinswerke / Cologne). The use of aluminum hydroxide with zinc borate gives an unexpectedly great synergistic effect with regard to the flame retardant effect, which is strongest when the weight ratio of the aluminum to the zinc compound is 1: 1 to 7: 1, in particular 2: 1 to 5: 1, is. Surprisingly, these preferred flame retardants show a significantly lower development of smoke gases compared to other flame retardants and bring about a significantly reduced flammability of the composite of polystyrene foam and wallpaper. As has further been shown, they surprisingly even improve the adhesive effect of the adhesive raw material, which was not predictable.

Das Auftragen der haftvermittelnden Beschichtung auf die Untertapete geschieht beispielsweise nach dem sogenannten Rakelauftragsverfahren in der Art einer Beleimungsmaschine. Hierzu wird das in einem der Ansprüche 7 bis 10 genannte Mittel verwendet. Danach wird das beschichtete Material in einem Heizkanal getrocknet. Hierbei wird praktisch das gesamte Wasser entfernt. Es können aber auch andere Auftragsverfahren angewendet werden, wie z.B. Rotations-Siebdruck, Walzenauftrag, Bürstenauftrag, Gießverfahren mit und ohne Druck oder Aufsprühverfahren. Die Auftragsmenge der Oberflächenbeschichtung wird so eingestellt, daß das Flächengewicht nach dem Trocknen 100 bis 400, vorzugsweise 200 bis 300 g/m2 beträgt.Applying the adhesion-promoting coating to the Bottom wallpaper occurs, for example, according to the so-called knife application process in the manner of a gluing machine. For this purpose, the agent mentioned in one of claims 7 to 10 is used. The coated material is then dried in a heating channel. Practically all of the water is removed. However, other application methods can also be used, such as rotary screen printing, roller application, brush application, casting processes with and without printing or spraying processes. The application amount of the surface coating is adjusted so that the weight per unit area after drying is 100 to 400, preferably 200 to 300 g / m 2 .

Die Beschichtungskomponenten liegen beim- Auftrag in wäßriger Dispersion vor, welcher zusätzlich noch geringe Mengen von Verarbeitungsmitteln wie Celluloseether sowie von dispersionsstabilisierenden und filmbildenden Hilfsmitteln zugesetzt werden. Zum Beispiel können noch Netzmittel, Konservierungsmittel, Entschäumer und ein die Filmbildung begünstigendes Mittel, wie Butyldiglykolacetat, zweckmäßigerweise in einer Gesamtmenge bis zu 5 Gew.-%, bezogen auf das Gesamtgewicht der Dispersion, enthalten sein.When applied, the coating components are in aqueous dispersion, to which small amounts of processing agents such as cellulose ether and dispersion-stabilizing and film-forming aids are also added. For example, wetting agents, preservatives, defoamers and an agent favoring film formation, such as butyl diglycol acetate, may also advantageously be present in a total amount of up to 5% by weight, based on the total weight of the dispersion.

Die Untertapete wird nach dem Verbinden mit dem Untergrund, z.B. Zimmerwand oder Zimmerdecke, auf ihrer haftvermittelnden Oberflächenschicht mit einem Belag,' z.B. einer Tapete, einem Anstrich, einer Spachtelung oder einem Putz, versehen.Among the wallpaper is provided after the connection with the substrate, for example, room wall or ceiling, on their adhesion-promoting surface layer with a covering, 'for example, a T apete, a paint, a leveling or a plaster.

Die folgenden Beispiele sollen die besonderen Vorteile der Erfindung verdeutlichen. Die Beurteilung der Proben geschah nach DIN 4102 (Brandverhalten von Baustoffen und Bauteilen, Mai 1981).The following examples are intended to illustrate the particular advantages of the invention. The samples were assessed according to DIN 4102 (fire behavior of building materials and components, May 1981).

Eine erfindungsgemäße wäßrige Dispersion der folgenden Zusammensetzung wurde mit einer Rakelvorrichtung auf eine 6 mm dicke Platte aus extrudiertem Polystyrol-Hartschaum aufgetragen; die aufgebrachte Menge entsprach nach dem Trocknen einem Flächengewicht von 250 g/m2.

  • 22,4 Gew.-Teile Klebrohstoff-Dispersion aus einem Terpolymeren aus Vinylacetat/Ethylen/Vinylchlorid (50 Gew.-%, ® Mowilith DM 122, Hersteller Hoechst)
  • 11,6 Gew.-Teile einer 3 gew.-%igen wäßrigen Lösung eines Verarbeitungshilfsmittels, Methyl-hydroxyethylcellulose, mittlere Viskosität 10 000 mPa . s , gemessen in 2 gew.-%iger wäßriger Lösung bei 20° C nach Höppler (® Tylose MHB 10 000, Hersteller Hoechst)
  • 0,2 Gew.-Teile Netzmittel-Lösung, 10 gew.-%ige wäßrige Lösung (® Calgon N, . Hersteller Benckiser-Knapsack)
  • 0,2 Gew.-Teile Konservierungsmittel, (® Mergal AF, Hersteller Riedel)
  • 0,2 Gew.-Teile Entschäumer, (® Nopco 8034, Hersteller Nopco)
  • 1,0 Gew.-Teile Filmbildehilfsmittel (Butyldiglykolacetat)
  • 40,4 Gew.-Teile Flammschutzmittel (Aluminiumhydroxid) , (® Martinal ON 310, Hersteller Martinswerke/Köln)
  • 20 Gew.-Teile Flammschutzmittel (Zinkborat,' ZBX-511, Hersteller Lehmann & Voss, Hamburg)
  • 4 Gew.-Teile Wasser zum Einarbeiten der Feststoffe, zur Einstellung einer praxisgerechten Viskosität evtl. weitere Wasserzugabe zur wäßrigen Dispersion bis zu insgesamt 30 Gew.-Teilen
An aqueous dispersion according to the invention of the following composition was applied with a doctor blade device to a 6 mm thick sheet of extruded rigid polystyrene foam; the amount applied after drying corresponded to a weight per unit area of 250 g / m 2 .
  • 22.4 parts by weight of adhesive raw material dispersion from a terpolymer of vinyl acetate / ethylene / vinyl chloride (50% by weight, ® Mowilith DM 122, manufacturer Hoechst)
  • 11.6 parts by weight of a 3% by weight aqueous solution of a processing aid, methyl-hydroxyethyl cellulose, average viscosity 10,000 mPa. s, measured in a 2% by weight aqueous solution at 20 ° C. according to Höppler (® Tylose MHB 10,000, manufacturer Hoechst)
  • 0.2 parts by weight of wetting agent solution, 10% by weight aqueous solution (® Calgon N,. Manufacturer Benckiser-Knapsack)
  • 0.2 parts by weight of preservative (® Mergal AF, manufacturer Riedel)
  • 0.2 part by weight of defoamer, (® Nopco 8034, manufacturer Nopco)
  • 1.0 part by weight of film-forming aid (butyl diglycol acetate)
  • 40.4 parts by weight of flame retardant (aluminum hydroxide), (® Martinal ON 310, manufacturer Martinswerke / Cologne)
  • 20 parts by weight of flame retardant (zinc borate, 'ZBX-511, manufacturer Lehmann & Voss, Hamburg)
  • 4 parts by weight of water to incorporate the solids, to set a practical viscosity, possibly further addition of water to the aqueous dispersion up to a total of 30 parts by weight

Beispiel 1example 1

Eine schwerentflammbare Tapete der Marke ® Kinnasand (Hersteller AB Kinnasand, Schweden) wurde, mit einem Kleister versehen und dann auf die mit obiger Dispersion beschichtete Platte aus Polystyrol-Hartschaum aufgebracht. Dieser Verbund (Tapete plus Untertapete) erreichte bei mehreren Verbrennungsversuchen die Klassifizierung B 1 (schwer entflammbar) nach DIN 4102.A flame-retardant wallpaper of the brand ® Kinnasand (manufacturer AB Kinnasand, Sweden) was provided with a paste and then applied to the polystyrene rigid foam plate coated with the above dispersion. This composite (wallpaper plus sub-wallpaper) achieved the classification B 1 (flame retardant) according to DIN 4102 in several combustion tests.

Beispiel 2 (Vergleichsversuch)Example 2

Die Tapete des Beispiels 1 wurde mit einem Kleister versehen und dann auf eine Platte aus Polystyrol-Hartschaum aufgebracht, die mit der oben genannten wäßrigen Dispersion, allerdings ohne die Flammschutzmittel, behandelt worden war. Bei mehreren Verbrennungsversuchen wurde mit diesem Verbund die Klassifizierung B 2 (normal entflammbar) nach DIN 4102 erzielt. - The wallpaper of Example 1 was provided with a paste and then applied to a polystyrene foam sheet which had been treated with the above-mentioned aqueous dispersion, but without the flame retardants. The classification B 2 (normally flammable) according to DIN 4102 was achieved with this combination in several combustion tests. -

Beispiel 3Example 3

Eine schwere Papiertapete (ca. 200 g/m2) wurde mit einem Kleister versehen, danach auf die mit der Dispersion des Beispiels l behandelte Platte aus Polystyrol-Hartschaum aufgebracht und der Verbund üblichen Verbrennungsversuchen unterworfen. Mit dem Verbund wurde die Klassifikation B 2 (normal entflammbar) nach DIN 4102 erreicht.A heavy paper wallpaper (approx. 200 g / m 2 ) was provided with a paste, then applied to the polystyrene foam sheet treated with the dispersion of Example 1 and the composite subjected to the usual combustion tests. Classification B 2 (normally flammable) according to DIN 4102 was achieved with the composite.

Beispiel 4 (Vergleichsversuch)Example 4

Eine schwere Papiertapete (ca. 200 g/m2) wurde mit einem Kleister versehen und auf die haftvermittelnde Oberflächenschicht einer geschäumten Polystyrolplatte aufgebracht und der Verbund in Verbrennungsversuchen getestet. Zur Herstellung der haftvermittelnden Oberflächenschicht auf der Platte wurde die oben genannte Dispersion, allerdings ohne die Flammschutzmittel, auf die Platte aufgebracht und getrocknet. Es wurde bei diesem Verbund die Klassifikation B 3 (leicht entflammbar) nach DIN 4102 festgestellt.A heavy paper wallpaper (approx. 200 g / m 2 ) was provided with a paste and applied to the adhesion-promoting surface layer of a foamed polystyrene plate and the composite was tested in combustion tests. To produce the adhesion-promoting surface layer on the plate, the above-mentioned dispersion, but without the flame retardants, was applied to the plate and dried. The classification B 3 (highly flammable) according to DIN 4102 was determined in this network.

Claims (10)

1. Untertapete aus Polystyrol-Hartschaum, welche auf mindestens einer ihrer Oberflächen eine haftvermittelnde Beschichtung aufweist, die einen flammhemmenden Zusatz umfaßt, dadurch gekennzeichnet, daß die haftvermittelnde Beschichtung einen Klebrohstoff und ein Flammschutzmittel im Gewichtsverhältnis 1 : 1 bis 1 : 8, bevorzugt 1 : 3 bis 1 : 6, umfaßt.1. sub-wallpaper made of rigid polystyrene foam which has an adhesion-promoting coating on at least one of its surfaces, which comprises a flame-retardant additive, characterized in that the adhesion-promoting coating comprises an adhesive raw material and a flame retardant in a weight ratio of 1: 1 to 1: 8, preferably 1: 3 to 1: 6. 2. Untertapete nach Anspruch 1, dadurch gekennzeichnet, daß die.zur Verbesserung der Haftung zwischen Untertapete und brennbarem Belag,'wie Tapete, vorgesehene haftvermittelnde Verbindung ein Copolymeres oder Terpolymeres mit überwiegenden Vinylacetat-Einheiten ist, welches insbesondere Vinylchlorid-, Ethylen-, Styrol-, Acrylsäureester-, Methacrylsäureester- und/oder Maleinsäureester-Einheiten enthält.2. Sub-wallpaper according to claim 1, characterized in that the. To improve the adhesion between the sub-wallpaper and the flammable covering, such as wallpaper, the adhesive compound provided is a copolymer or terpolymer with predominant vinyl acetate units, which is in particular vinyl chloride, ethylene or styrene - Contains acrylic acid ester, methacrylic acid ester and / or maleic acid ester units. 3. Untertapete nach Anspruch 2, dadurch gekennzeichnet, daß die haftvermittelnde Verbindung ein Terpolymeres mit überwiegenden Vinylacetat-Einheiten sowie Ethylen- und Vinylchlord-Einheiten ist.3. sub-wallpaper according to claim 2, characterized in that the adhesion-promoting compound is a terpolymer with predominant vinyl acetate units and ethylene and vinyl chloride units. 4. Untertapete nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Flammschutzmittel wenigstens eine nicht-brennbare anorganische Verbindung auf Basis von Bor, Aluminium oder Antimon umfaßt.4. sub-wallpaper according to one of claims 1 to 3, characterized in that the flame retardant comprises at least one non-combustible inorganic compound based on boron, aluminum or antimony. 5. Untertapete nach Anspruch 4, dadurch gekennzeichnet, daß das Flammschutzmittel eine Mischung von Aluminiumhydroxid und Zinkborat, vorzugsweise im Gewichtsverhältnis von 1 : 1 bis 7 : 1, insbesondere 2 : 1 bis 5 : 1, umfaßt.5. sub-wallpaper according to claim 4, characterized in that the flame retardant comprises a mixture of aluminum hydroxide and zinc borate, preferably in a weight ratio of 1: 1 to 7: 1, in particular 2: 1 to 5: 1. 6. Untertapete nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die haftvermittelnde.Beschichtung ein Flächengewicht von 100 bis 400 g/m2 (trocken) aufweist.6. Background wallpaper according to one of claims 1 to 5, characterized in that the adhesion-promoting coating has a weight per unit area of 100 to 400 g / m 2 (dry). 7. Mittel zur Herstellung einer Untertapete mit haftvermittelnder Oberflächenschicht nach einem der Ansprüche 1 bis 6, bestehend aus einer wäßrigen Dispersion, welche eine haftvermittelnde Verbindung umfaßt, dadurch gekennzeichnet, daß in der Dispersion zusätzlich wenigstens ein Flammschutzmittel vorhanden ist, wobei das Gewichtsverhältnis von haftvermittelnder Verbindung zu Flammschutzmittel 1 : 1 bis 1 : 8, vorzugsweise l : 3 bis 1 : 6, beträgt.7. Means for producing a sub-wallpaper with an adhesion-promoting surface layer according to one of claims 1 to 6, consisting of an aqueous dispersion which comprises an adhesion-promoting compound, characterized in that at least one flame retardant is additionally present in the dispersion, the weight ratio of adhesion-promoting compound to flame retardant is 1: 1 to 1: 8, preferably 1: 3 to 1: 6. 8. Mittel nach Anspruch 7, dadurch gekennzeichnet, daß die haftvermittelnde Verbindung ein Copolymeres oder Terpolymeres mit überwiegenden Vinylacetat-Einheiten ist, welches insbesondere Vinylchlorid-, Ethylen-, Styrol-, Acrylsäureester-, Methacrylsäureester- und/oder Maleinsäureester-Einheiten enthält und bevorzugt ein Terpolymeres mit überwiegenden Vinylacetat-Einheiten sowie Ethylen- und Vinylchlord-Einheiten ist.8. Composition according to claim 7, characterized in that the adhesion-promoting compound is a copolymer or terpolymer with predominant vinyl acetate units, which contains in particular vinyl chloride, ethylene, styrene, acrylic acid ester, methacrylic acid ester and / or maleic acid ester units and is preferred is a terpolymer with predominant vinyl acetate units as well as ethylene and vinyl chloride units. 9. Mittel nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß das Flammschutzmittel wenigstens eine nicht-brennbare anorganische Verbindung auf Basis von Bor, Aluminium oder Antimon umfaßt, bevorzugt auf Basis--von einer Mischung von Aluminiumhydroxid und Zinkborat, insbesondere im Gewichtsverhältnis von 1 : 1 bis 7 : 1, besonders vorteilhaft 1 : 1 bis 5 : 1.9. Composition according to claim 7 or 8, characterized in that the flame retardant comprises at least one non-combustible inorganic compound based on boron, aluminum or antimony, preferably based - of a mixture of aluminum hydroxide and zinc borate, in particular in a weight ratio of 1 : 1 to 7: 1, particularly advantageously 1: 1 to 5: 1. 10. Mittel-nach Anspruch 8 und 9, dadurch gekennzeichnet, daß 100 Gew.-Teile wäßriger Dispersion 6 bis 35, vorzugsweise 10 bis 25 Gew.-Teile des Terpolymeren nach Anspruch 8, 25 bis 50, vorzugsweise 30 bis 50 Gew.-Teile Aluminiumhydroxid und 7 bis 25, vorzugsweise 10 bis 25 Gew.-Teile Zinkborat umfassen.10. Composition according to claim 8 and 9, characterized in that 100 parts by weight of aqueous dispersion 6 to 35, preferably 10 to 25 parts by weight of the terpolymer according to claim 8, 25 to 50, preferably 30 to 50 parts by weight. Parts of aluminum hydroxide and 7 to 25, preferably 10 to 25 parts by weight of zinc borate.
EP83111504A 1982-11-23 1983-11-17 Wall-paper backing with an adhesive surface layer Expired EP0109663B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83111504T ATE35432T1 (en) 1982-11-23 1983-11-17 UNDERWALLPAPER WITH ADHESION PROMOTING SURFACE LAYER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3243259 1982-11-23
DE19823243259 DE3243259A1 (en) 1982-11-23 1982-11-23 WALL COVERING ELEMENT, METHOD FOR PRODUCING IT AND ITS USE

Publications (3)

Publication Number Publication Date
EP0109663A2 true EP0109663A2 (en) 1984-05-30
EP0109663A3 EP0109663A3 (en) 1984-07-04
EP0109663B1 EP0109663B1 (en) 1988-06-29

Family

ID=6178801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111504A Expired EP0109663B1 (en) 1982-11-23 1983-11-17 Wall-paper backing with an adhesive surface layer

Country Status (3)

Country Link
EP (1) EP0109663B1 (en)
AT (1) ATE35432T1 (en)
DE (2) DE3243259A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2159262C2 (en) * 1993-08-28 2000-11-20 Депрон Б.В. Aqueous dispersive adhesive
ES2155294A1 (en) * 1997-03-04 2001-05-01 Diez Javier Alvarez Cladding panel.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1932893A1 (en) * 1969-06-28 1971-02-11 Basf Ag Method for gluing flame retardant expanded polystyrene
CA1001539A (en) * 1971-11-02 1976-12-14 Air Products And Chemicals Adhesive compositions of vinyl acetate-ethylene copolymer emulsions
JPS53114843A (en) * 1977-03-18 1978-10-06 Asahi Chem Ind Co Ltd Flame-retardant adhesive composition
DE3010047A1 (en) * 1980-03-15 1981-10-01 Hoechst Ag, 6000 Frankfurt METHOD FOR GLUING WALLPAPERS ON SUB WALLPAPERS AND FLAT COMPOSITE PRODUCED THEREFORE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2159262C2 (en) * 1993-08-28 2000-11-20 Депрон Б.В. Aqueous dispersive adhesive
US6288147B1 (en) 1993-08-28 2001-09-11 Depron B.V. Aqueous dispersion adhesive
ES2155294A1 (en) * 1997-03-04 2001-05-01 Diez Javier Alvarez Cladding panel.

Also Published As

Publication number Publication date
ATE35432T1 (en) 1988-07-15
DE3377223D1 (en) 1988-08-04
EP0109663A3 (en) 1984-07-04
DE3243259A1 (en) 1984-05-24
EP0109663B1 (en) 1988-06-29

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