EP1413669B1 - Water resistant, PVC-free flat textile material - Google Patents

Water resistant, PVC-free flat textile material Download PDF

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Publication number
EP1413669B1
EP1413669B1 EP20030023617 EP03023617A EP1413669B1 EP 1413669 B1 EP1413669 B1 EP 1413669B1 EP 20030023617 EP20030023617 EP 20030023617 EP 03023617 A EP03023617 A EP 03023617A EP 1413669 B1 EP1413669 B1 EP 1413669B1
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EP
European Patent Office
Prior art keywords
laminar
textile
fibres
material according
laminar structure
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
EP20030023617
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German (de)
French (fr)
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EP1413669A1 (en
Inventor
Brigitte Hiemenz
Klaus Fuessmann
Robert Wagner
Peter Klenner
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BAMBERGER KALIKO GmbH
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BAMBERGER KALIKO GmbH
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Priority claimed from EP02023481A external-priority patent/EP1413668A1/en
Application filed by BAMBERGER KALIKO GmbH filed Critical BAMBERGER KALIKO GmbH
Priority to EP20030023617 priority Critical patent/EP1413669B1/en
Publication of EP1413669A1 publication Critical patent/EP1413669A1/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
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • 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
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/042—Acrylic polymers

Definitions

  • the present invention relates to coated textile materials which are useful i.a. suitable for outdoor applications or in wet rooms and are especially durable under extreme environmental conditions.
  • Textile-based sheet materials intended to withstand extreme environmental stresses, e.g. high humidity, rain and water spray, temperature fluctuations, intense sunlight and / or frequent treatment with detergents, are usually coated with PVC.
  • the properties of such materials are very good.
  • PVC is questionable and should be avoided if possible.
  • For its production and its application as a coating material of textiles is associated with heavy environmental impact, as well as the disposal of this material.
  • toxic gases such as hydrogen chloride
  • VeoVa stands in this name for vinyl esters of tertiary carboxylic acids (eg so-called versatic acids). VeoVa's have long been used for copolymerization with vinyl acetate, for example for emulsion paints, plasters or concrete admixtures, such as from EP 874 871 B1 seen. Copolymers of VeoVa's with acrylates are commercially available, which sells them mainly for the production of plasters and paints.
  • PVC is a very inexpensive material. It is therefore used in textile coatings in high proportions and because of its favorable properties.
  • the object of the present invention is to provide coated or impregnated textile materials which, in particular with regard to their chemical and mechanical cleaning stability (eg with respect to high-pressure cleaners or brush cleaners), water resistance and weathering stability, but also other environmental influences, have similarly good properties as PVC, but are environmentally friendly too are processed, release no toxic gases in case of fire and are inexpensive to produce.
  • chemical and mechanical cleaning stability eg with respect to high-pressure cleaners or brush cleaners
  • water resistance and weathering stability but also other environmental influences
  • the invention is applicable to all textile materials intended to be provided with binder-containing coatings or impregnations. All textile fabrics can be coated or impregnated, irrespective of the way in which their fibers are bonded to one another, eg woven fabrics, nonwovens, knitted fabrics, etc.
  • the material provided for the textile fabric can also be selected freely, depending on the intended use. If necessary, the mechanical stress of the fibers must be taken into account.
  • the selection of the carrier materials is carried out in a suitable manner.
  • support materials made of synthetic fibers (polyester, polyamide, polyacrylonitrile or other such fibers) for the use of external sun protection, external blinds, landfill covers, room dividers for wet rooms and the like can be used.
  • synthetic fibers polyester, polyamide, polyacrylonitrile or other such fibers
  • room dividers for wet rooms and the like
  • materials according to the invention are intended for applications which are associated with high mechanical loads, high-strength polyester filaments, glass filaments or para-aramid fibers, for example, can be used as carrier materials.
  • Carrier materials made of incombustible or flame retardant materials eg, glass fibers, aramid fibers, melamine resin fibers, ceramic fibers, etc., or by additional equipment flame-retardant fibers
  • the expert will then consider especially when an application is provided in especially against fires to be protected or fire-prone environment, for example if the inventive Textile materials for Escape route boundaries or wall coverings, especially in tunnel wall cladding, in exhibition construction, in stage construction or the like. are provided.
  • the textile substrates can be provided on one or both sides with the coating according to the invention.
  • This coating may be present as a single or as one of several coatings. Alternatively (possibly also in addition) they may be provided with an impregnation which has been applied by impregnating the textile material or another customary impregnation technique.
  • the coating / impregnation according to the invention may consist essentially or exclusively of binder.
  • This may in addition to the acrylate / VeoVa copolymer contain other conventional binders, for example polymers based on acrylic acid esters, polyvinyl alcohol, polyurethane, latices or highly crosslinkable resins such as melamine resins, which are preferably halogen-free and which, also preferably, are crosslinkable so that they are fixed accordingly can be.
  • the binder consists predominantly, particularly preferably exclusively or almost exclusively, of acrylate / VeoVa copolymer.
  • the binder is used in the form of a solution, emulsion, dispersion or suspension, with which the textile substrate is coated or impregnated. If the paste is too thin, the viscosity can be adjusted with a thickening agent (e.g., an acrylic acid ester). Possibly. suitable crosslinking catalysts are added to the paste.
  • a thickening agent e.g., an acrylic acid ester
  • the coating / impregnation according to the invention may also contain other constituents which influence its properties.
  • a coated or impregnated material which has fire-retardant properties and is suitable, for example, for lining tunnels.
  • the coating / impregnation in addition to the binder and possibly further substances before all a strong fire-retardant material such as expanded graphite and / or a phosphorus-containing material, such as polyammonium phosphate.
  • a strong fire retardant material such as expanded graphite and / or a phosphorus-containing material, such as polyammonium phosphate.
  • the fire-retardant material can be added to the coating mixture in suitable form, for example in powder, granule or flake form, if it is a solid material.
  • the ratio of binder to fire-retardant agent for example, and in particular to expandable graphite, can be freely selected in a suitable manner, it being of course favorable to provide a high proportion of flame retardant, for example 10-80 wt .-%, based on all components of the coating material ,
  • the upper limit is usually determined by the mechanical properties of the cured coating: In the case of a solid flame retardant such as expanded graphite, it must be ensured that sufficient binder is present in order to integrate the flame retardant in the layer in a mechanically stable manner.
  • the lower limit is determined by the flame retardancy of the material obtained:
  • the coating should contain a sufficient amount of flame retardant, so that its flame retardancy and possibly achieved by the increase in volume insulation effect is fully effective.
  • these are generally at least about 30 g of expandable graphite per square meter of textile material, preferably about 50 to 500 g / qm.
  • the fire retardant coating described above further contains a white pigment, for example titanium dioxide, alabaster brilliant white, kaolin or a similar material.
  • a white pigment-containing layer can also be applied to the finished coating material before or after curing, which may likewise contain a binder. If the white pigment is incorporated into the expandable graphite-containing coating mixture, it is favorable to provide about 3-10% by weight of white pigment, based on the total weight of the paste. If the white pigment is applied as an additional coating on the expandable graphite coating, it is sufficient to apply only a small amount of about 2-10 g / m 2.
  • the white pigment can be used for this purpose as a slurry in suitable suspension or setting agents and, for example, in an amount of about 1: 4 of a suspension or dispersion of a suitable binding or crosslinking agent, in particular consisting or mainly consisting of VeoVa / acrylate copolymer, are mixed, as indicated above for the expandable graphite-containing coating mixture.
  • a suitable binding or crosslinking agent in particular consisting or mainly consisting of VeoVa / acrylate copolymer
  • the coating or impregnating material may optionally contain other ingredients as commonly used, e.g. Dyes or pigments, thickening agents, buffers or specific pH adjusters, stabilizers, fillers and the like.
  • the coated / impregnated textile materials of the present invention particularly resistant to chemical and, above all, severe mechanical cleaning (e.g., high pressure cleaners or brush cleaners, which are widely used in, for example, truck tarpaulins or tunnel covers), their surface may be suitably modified. This can be done, for example, by hydrophobicizing the surface and / or by improving its mechanical resistance values.
  • hydrophobic e.g. Fluorcarbonharze, paraffin waxes, silicones or polytetrafluoroethylene dispersions are incorporated into the coating / impregnating mixture according to the invention, if this is provided alone or as a single or top layer.
  • Additional crosslinking by means of a further crosslinking agent can also improve the mechanical stability and possibly render the coating more hydrophobic.
  • the uppermost layer can be impregnated with a suitable hydrophobizing agent, or a topcoat is applied, which is particularly scratch-resistant.
  • Other options include coating or impregnation with materials that produce certain surface structures with extremely good soil release properties (e.g., so-called "lotus effect” "nanocoatings”) or plasma treatment with hydrophobizing gases.
  • the coating hardness is well controllable by the mixing ratio of hard and soft polymers.
  • the person skilled in the art will accordingly select polymers with suitable glass transition temperatures for the respective intended use.
  • Different variants of acrylate / VeoVa copolymers with different degrees of hardness are commercially available.
  • a coating is provided on the textile material, it is preferably applied to the textile material in the form of a paste or a foam.
  • the application can be carried out by doctoring, e.g. Roller doctoring, brushing or any other method, the selection of which will depend inter alia on the viscosity of the coating material.
  • the suitable amounts can be easily determined by a person skilled in the art, for example a wet application of 25-400 g / m 2 is favorable.
  • excess solvent or dispersing agent is removed, e.g. by drying, and the spread paste is calendered or otherwise solidified / cured depending on the nature of the components present, e.g.
  • a self-curing crosslinkable component may also be present. It may also be appropriate to apply the coating material to the textile material in more than one operation, and after each operation or only after application of the entire coating material, a solidification step, e.g. after drying, provide.
  • the coating formed in this way is to be coated with one or more layers (for example a white pigment paste or a top coat), the required drying or hardening steps can also be carried out only after several or even all layers have been applied.
  • layers for example a white pigment paste or a top coat
  • the batch was foamed with a Hansamixer (foam weight 260 g / l) and applied to a Mageba coating system by the roll-doctoring method with a gap height of 0.85 mm. This resulted in a total basis weight of 370 g / m2 at a thickness of 0.3 mm.
  • the coated fabric was calendered immediately after drying (80-140 ° C) hot (140 ° C roll temperature) (line pressure: 180 N / mm).
  • the approach with a viscosity of 1.7-1.8 Pas was coated on a Brückner clamping frame by the air knife method 3 times on one side.
  • the coating was dried and crosslinked at 150 ° C. for 90 sec.
  • the coating weight is 150 gsm dry.
  • the visible wave spectrum was measured from 400 to 700 nm.
  • a sample of the material was soiled and cleaned with a high pressure cleaner. After a relatively short cleaning time, a very good cleaning result was obtained; the coating remained undamaged.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Laminated Bodies (AREA)
  • Paints Or Removers (AREA)

Description

Die vorliegende Erfindung betrifft beschichtete Textilmaterialien, die sich u.a. für Anwendungen im Außenbereich oder in Feuchträumen eignen und insbesondere auch unter extremen Umweltbedingungen lange haltbar sind.The present invention relates to coated textile materials which are useful i.a. suitable for outdoor applications or in wet rooms and are especially durable under extreme environmental conditions.

Flächenmaterialien auf Textilbasis, die extremen Umweltbelastungen widerstehen sollen, z.B. hoher Feuchtigkeit, Regen und Spritzwasser, Temperaturschwankungen, intensiver Sonnenbestrahlung und/oder einer häufigen Behandlung mit Reinigungsmitteln, sind üblicherweise mit PVC beschichtet. Die Eigenschaften solcher Materialien sind sehr gut. Allerdings ist die Verwendung von PVC bedenklich und sollte möglichst vermieden werden. Denn dessen Herstellung und seine Applikation als Beschichtungsmaterial von Textilien ist mit schweren Umweltbelastungen verbunden, desgleichen die Entsorgung dieses Materials. Außerdem entstehen im Brandfall giftige Gase (z.B. Chlorwasserstoff).Textile-based sheet materials intended to withstand extreme environmental stresses, e.g. high humidity, rain and water spray, temperature fluctuations, intense sunlight and / or frequent treatment with detergents, are usually coated with PVC. The properties of such materials are very good. However, the use of PVC is questionable and should be avoided if possible. For its production and its application as a coating material of textiles is associated with heavy environmental impact, as well as the disposal of this material. In addition, in the event of fire, toxic gases (such as hydrogen chloride) are produced.

Ähnliches gilt für mit Kautschukmaterialien sowie mit Acrylaten oder Polyurethanen auf Lösungsmittelbasis beschichtete Materialien. Auch deren Herstellung und Aufbringung auf den entsprechenden Textilmaterialien ist mit hohen Umweltbelastungen verbunden, und außerdem werden dabei die hervorragenden Eigenschaften von PVC in Hinblick auf die Belastungsfähigkeit des textilen Materials nicht erreicht.The same applies to rubber materials as well as acrylate or solvent-based polyurethanes. Also their production and application to the corresponding textile materials is associated with high environmental impact, and also the outstanding properties of PVC are not achieved in view of the load capacity of the textile material.

Beschichtungen auf wässriger Basis sind zwar wesentlich umweltfreundlicher; sie sind aber den oben genannten Anforderungen nicht gewachsen.Although water-based coatings are much more environmentally friendly; but they are not up to the above requirements.

Acrylat/\/eoVa-Copolymere sind bekannt. VeoVa steht in dieser Bezeichnung für Vinylester von tertiären Carbonsäuren (z.B. sog. Versatic-Säuren). VeoVa's werden seit langem zur Copolymerisation mit Vinylacetat z.B. für Dispersionsfarben, Putze oder Betonzusatzmittel eingesetzt, wie z.B. aus EP 874 871 B1 ersichtlich. Copolymerisate von VeoVa's mit Acrylaten sind im Handel erhältlich, der sie vor allem zur Herstellung von Putzen und von Lacken vertreibt.Acrylate / eoVa copolymers are known. VeoVa stands in this name for vinyl esters of tertiary carboxylic acids (eg so-called versatic acids). VeoVa's have long been used for copolymerization with vinyl acetate, for example for emulsion paints, plasters or concrete admixtures, such as from EP 874 871 B1 seen. Copolymers of VeoVa's with acrylates are commercially available, which sells them mainly for the production of plasters and paints.

In der DE 197 33 133 A1 wird vorgeschlagen, solche Copolymere mittels üblicher Verfahren der Nonwoven-Technologie für die Herstellung von Formteilen oder Flächengebilden aus losen Textilfasern einzusetzen. Unter Druck und hohen Temperaturen erweichen diese und verkleben die Textilfasern unter Ausbildung mehrere Millimeter dicker Platten.In the DE 197 33 133 A1 It is proposed to use such copolymers by conventional methods of nonwoven technology for the production of moldings or fabrics of loose textile fibers. Under pressure and high temperatures, these soften and bond the textile fibers to form sheets several millimeters thick.

PVC ist ein sehr preisgünstiger Werkstoff. Er wird deshalb und wegen seiner günstigen Eigenschaften in Textilbeschichtungen in hohen Anteilen eingesetzt.PVC is a very inexpensive material. It is therefore used in textile coatings in high proportions and because of its favorable properties.

Aufgabe der vorliegenden Erfindung ist es, beschichtete oder imprägnierte Textilmaterialien bereitzustellen, die insbesondere in Hinblick auf ihre chemische und mechanische Reinigungsstabilität (z.B. gegenüber Hochdruckreinigern oder Bürstenreinigern), Wasserfestigkeit und Bewitterungsstabilität, aber auch sonstigen Umwelteinflüssen ähnlich gute Eigenschaften wie PVC besitzen, dabei aber umweltfreundlich zu verarbeiten sind, im Brandfall keine giftigen Gase freisetzen und kostengünstig herstellbar sind.The object of the present invention is to provide coated or impregnated textile materials which, in particular with regard to their chemical and mechanical cleaning stability (eg with respect to high-pressure cleaners or brush cleaners), water resistance and weathering stability, but also other environmental influences, have similarly good properties as PVC, but are environmentally friendly too are processed, release no toxic gases in case of fire and are inexpensive to produce.

Gelöst wird diese Aufgabe durch die Bereitstellung eines Flächenmaterials auf Textilbasis gemäß Anspruch 1. Überraschend konnte nämlich festgestellt werden, dass solche Textilmaterialien dann die genannten Anforderungen erfüllen, wenn das Bindemittel der oder mindestens einer der darauf aufgebrachten Beschichtung(en) oder der Imprägnierung einen merklichen Anteil eines Acrylat/VeoVa-Copolymeren besitzt. Dieser Anteil liegt bei mindestens 30 Gew.-%, vorzugsweise bei mindestens 50 Gew.- %, stärker bevorzugt bei 70-100 Gew.-% und besonders bevorzugt bei 85-100 Gew.-%, bezogen auf die Gesamtmenge des Bindemittels.This object is achieved by providing a textile-based surface material according to claim 1. Surprisingly, it could be stated that such textile materials then meet the stated requirements if the binder or at least one of the coating (s) or the impregnation applied thereto has a significant fraction an acrylate / VeoVa copolymer possesses. This proportion is at least 30% by weight, preferably at least 50% by weight, more preferably 70-100% by weight and particularly preferably 85-100% by weight, based on the total amount of the binder.

Die Erfindung ist auf alle Textilmaterialien anwendbar, die mit bindemittelhaltigen Beschichtungen oder Imprägnierungen versehen sein sollen. Beschichtet bzw. imprägniert werden können alle textilen Flächengebilde, unabhängig von der Art, wie deren Fasern miteinander verbunden sind, z.B. Gewebe, Vliese, Maschenware etc.. Das für das textile Flächengebilde vorgesehene Material kann ebenfalls frei, in Abhängigkeit vom vorgesehenen Verwendungszweck gewählt werden. Dabei ist gegebenenfalls die mechanische Beanspruchung der Fasern zu berücksichtigen. Je nach Einsatzgebiet der erfindungsgemäß beschichteten Textilmaterialien erfolgt die Auswahl der Trägermaterialien dabei in geeigneter Weise. So können beispielsweise Trägermaterialien aus Synthesefasern (Polyester, Polyamid, Polyacrylnitril oder andere solche Fasern) für den Einsatz von außenliegendem Sonnenschutz, außenliegendem Sichtschutz, Deponieabdeckungen, Raumteilern für Feuchträume und ähnlichem eingesetzt werden. Sind die erfindungsgemäßen Materialien für Anwendungen vorgesehen, die mit hohen mechanischen Belastungen verbunden sind, so können beispielsweise hochfeste Polyesterfilamente, Glasfilamente oder Paraaramidfaser als Trägermaterialien eingesetzt werden. Trägermaterialien aus unbrennbaren bzw. schwerentflammbaren Materialien (z.B. Glasfasern, Aramidfasern, Melaminharzfasern, Keramikfasern usw., oder durch zusätzliche Ausrüstung flammgeschützte Fasern) wiederum wird der Fachmann dann besonders in Betracht ziehen, wenn ein Einsatz in besonders gegen Brände zu schützender oder brandgefährdeter Umgebung vorgesehen ist, z.B. wenn die erfindungsgemäßen Textilmaterialien für Fluchtwegabgrenzungen oder Wandverkleidungen, insbesondere bei Tunnelwandverkleidungen, im Messebau, im Bühnenbau oder dgl. vorgesehen sind.The invention is applicable to all textile materials intended to be provided with binder-containing coatings or impregnations. All textile fabrics can be coated or impregnated, irrespective of the way in which their fibers are bonded to one another, eg woven fabrics, nonwovens, knitted fabrics, etc. The material provided for the textile fabric can also be selected freely, depending on the intended use. If necessary, the mechanical stress of the fibers must be taken into account. Depending on the field of use of the textile materials coated according to the invention, the selection of the carrier materials is carried out in a suitable manner. Thus, for example, support materials made of synthetic fibers (polyester, polyamide, polyacrylonitrile or other such fibers) for the use of external sun protection, external blinds, landfill covers, room dividers for wet rooms and the like can be used. If the materials according to the invention are intended for applications which are associated with high mechanical loads, high-strength polyester filaments, glass filaments or para-aramid fibers, for example, can be used as carrier materials. Carrier materials made of incombustible or flame retardant materials (eg, glass fibers, aramid fibers, melamine resin fibers, ceramic fibers, etc., or by additional equipment flame-retardant fibers) in turn, the expert will then consider especially when an application is provided in especially against fires to be protected or fire-prone environment, for example if the inventive Textile materials for Escape route boundaries or wall coverings, especially in tunnel wall cladding, in exhibition construction, in stage construction or the like. Are provided.

Je nach Anwendungszweck können die textilen Substrate einseitig oder beidseitig mit der erfindungsgemäßen Beschichtung versehen sein. Diese Beschichtung kann als einzige oder als eine von mehreren Beschichtungen vorhanden sein. Alternativ (ggf. auch zusätzlich) können sie mit einer Imprägnierung versehen sein, die durch Tränken des Textilmaterials oder eine andere übliche Imprägniertechnik aufgebracht wurde.Depending on the intended use, the textile substrates can be provided on one or both sides with the coating according to the invention. This coating may be present as a single or as one of several coatings. Alternatively (possibly also in addition) they may be provided with an impregnation which has been applied by impregnating the textile material or another customary impregnation technique.

Die erfindungsgemäße Beschichtung/Imprägnierung kann im wesentlichen oder ausschließlich aus Bindemittel bestehen. Dieses kann neben dem Acrylat/VeoVa-Copolymer weitere, übliche Bindemittel enthalten, beispielsweise Polymere auf Basis von Acrylsäureestern, Polyvinylalkohol, Polyurethan, Latices oder hochvernetzbare Harze wie Melaminharze, die vorzugsweise halogenfrei sind und die, ebenfalls vorzugsweise, vernetzbar sind, damit sie entsprechend fixiert werden können. Allerdings ist es besonders günstig, wenn das Bindemittel überwiegend, in besonders bevorzugter Weise ausschließlich oder fast ausschließlich aus Acrylat/VeoVa-Copolymer besteht. Das Bindemittel wird in Form einer Lösung, Emulsion, Dispersion oder Suspension eingesetzt, mit der das Textilsubstrat beschichtet oder imprägniert wird. Ist die Paste zu dünnflüssig, kann die Viskosität mit einem Verdickungsmittel (z.B. einem Acrylsäureester) eingestellt werden. Ggf. werden der Paste geeignete Vernetzungskatalysatoren zugemischt.The coating / impregnation according to the invention may consist essentially or exclusively of binder. This may in addition to the acrylate / VeoVa copolymer contain other conventional binders, for example polymers based on acrylic acid esters, polyvinyl alcohol, polyurethane, latices or highly crosslinkable resins such as melamine resins, which are preferably halogen-free and which, also preferably, are crosslinkable so that they are fixed accordingly can be. However, it is particularly favorable if the binder consists predominantly, particularly preferably exclusively or almost exclusively, of acrylate / VeoVa copolymer. The binder is used in the form of a solution, emulsion, dispersion or suspension, with which the textile substrate is coated or impregnated. If the paste is too thin, the viscosity can be adjusted with a thickening agent (e.g., an acrylic acid ester). Possibly. suitable crosslinking catalysts are added to the paste.

Stattdessen kann die erfindungsgemäße Beschichtung/Imprägnierung auch weitere Bestandteile enthalten, die ihre Eigenschaften beeinflussen. In einer wesentlichen Ausgestaltung der Erfindung wird ein beschichtetes oder imprägniertes Material bereitgestellt, das brandhemmende Eigenschaften aufweist und sich beispielsweise zur Auskleidung von Tunneln eignet. In dieser Ausgestaltung der Erfindung enthält die Beschichtung/Imprägnierung neben dem Bindemittel und ggf. weiteren Substanzen vor allem ein stark brandhemmendes Material wie Blähgraphit und/oder ein phosphorhaltiges Material, z.B. Polyammoniumphosphat. Beim Vorhandensein eines festen brandhemmenden Materials wie Blähgraphit ist das Beschichten der Textilsubstrate gegenüber einer Imprägnierung bevorzugt. Das brandhemmende Material kann der Beschichtungsmischung in geeigneter Form zugesetzt werden, beispielsweise in Pulver-, Granulat- oder Flockenform, wenn es sich um ein festes Material handelt. Das Mengenverhältnis von Bindemittel zu brandhemmendem Mittel, z.B. und insbesondere zu Blähgraphit, kann in geeigneter Weise frei gewählt werden, wobei es natürlich günstig ist, einen hohen Anteil an Flammschutzmittel vorzusehen, z.B. 10-80 Gew.-%, bezogen auf alle Bestandteile des Beschichtungsmaterials. Die Obergrenze wird in der Regel durch die mechanischen Eigenschaften der ausgehärteten Beschichtung bestimmt: Für den Fall eines festen Flammschutzmittels wie Blähgraphit ist darauf zu achten, dass genügend Bindemittel vorhanden ist, um das Flammschutzmittel mechanisch stabil in die Schicht einzubinden. Die Untergrenze wird durch die Flammschutzeigenschaften des erhaltenen Materials bestimmt: Die Beschichtung sollte eine ausreichende Menge an Flammschutzmittel enthalten, damit dessen Flammschutzwirkung und ggf. seine durch die Volumenzunahme erzielte Isolierwirkung voll zur Geltung kommt. Im Falle von Blähgraphit sind dies in der Regel mindestens etwa 30 g Blähgraphit pro Quadratmeter Textilmaterial, vorzugsweise etwa 50 bis 500 g/qm. In Bezug auf den Gehalt an VeoVa/Acrylat-Copolymer im Bindemittel gilt das im vorstehenden Absatz Gesagte.Instead, the coating / impregnation according to the invention may also contain other constituents which influence its properties. In one essential aspect of the invention, a coated or impregnated material is provided which has fire-retardant properties and is suitable, for example, for lining tunnels. In this embodiment of the invention, the coating / impregnation in addition to the binder and possibly further substances before all a strong fire-retardant material such as expanded graphite and / or a phosphorus-containing material, such as polyammonium phosphate. In the presence of a strong fire retardant material such as expanded graphite, coating the textile substrates over impregnation is preferred. The fire-retardant material can be added to the coating mixture in suitable form, for example in powder, granule or flake form, if it is a solid material. The ratio of binder to fire-retardant agent, for example, and in particular to expandable graphite, can be freely selected in a suitable manner, it being of course favorable to provide a high proportion of flame retardant, for example 10-80 wt .-%, based on all components of the coating material , The upper limit is usually determined by the mechanical properties of the cured coating: In the case of a solid flame retardant such as expanded graphite, it must be ensured that sufficient binder is present in order to integrate the flame retardant in the layer in a mechanically stable manner. The lower limit is determined by the flame retardancy of the material obtained: The coating should contain a sufficient amount of flame retardant, so that its flame retardancy and possibly achieved by the increase in volume insulation effect is fully effective. In the case of expanded graphite, these are generally at least about 30 g of expandable graphite per square meter of textile material, preferably about 50 to 500 g / qm. With regard to the content of VeoVa / acrylate copolymer in the binder, what has been said in the preceding paragraph applies.

Es ist besonders für den Fall eines lichtabsorbierenden Brandschutzmittels wie Blähgraphit bevorzugt, dass die voranstehend beschriebene, brandhemmende Beschichtung weiterhin ein Weißpigment enthält, beispielsweise Titandioxid, Alabasterbrillantweiss, Kaolin oder ein ähnliches Material. Alternativ oder zusätzlich kann auch auf das fertig aufgetragene Beschichtungsmaterial vor oder nach dem Aushärten eine weißpigmenthaltige Schicht aufgetragen werden, die ebenfalls ein Bindemittel enthalten kann. Wird das Weißpigment in die Blähgraphit enthaltende Beschichtungsmischung eingearbeitet, ist es günstig, etwa 3-10 Gew.-% Weißpigment, bezogen auf das Gesamtgewicht der Paste, vorzusehen. Wird das Weißpigment als zusätzlicher Überzug auf die Blähgraphit-Beschichtung aufgebracht, genügt es, eine nur geringe Menge von etwa 2-10 g/qm aufzutragen. Das Weißpigment kann hierfür als Aufschlämmung in geeigneten Suspensions- bzw. Stellmitteln eingesetzt und z.B. in einer Menge von ca. 1:4 einer Suspension oder Dispersion eines geeigneten Binde- oder Vernetzungsmittels, insbesondere bestehend oder vorwiegend bestehend aus VeoVa/Acrylat-Copolymer, zugemischt werden, wie oben für die den Blähgraphit enthaltende Beschichtungsmischung angegeben.It is particularly preferred in the case of a light absorbing fire retardant such as expanded graphite that the fire retardant coating described above further contains a white pigment, for example titanium dioxide, alabaster brilliant white, kaolin or a similar material. Alternatively or additionally, a white pigment-containing layer can also be applied to the finished coating material before or after curing, which may likewise contain a binder. If the white pigment is incorporated into the expandable graphite-containing coating mixture, it is favorable to provide about 3-10% by weight of white pigment, based on the total weight of the paste. If the white pigment is applied as an additional coating on the expandable graphite coating, it is sufficient to apply only a small amount of about 2-10 g / m 2. The white pigment can be used for this purpose as a slurry in suitable suspension or setting agents and, for example, in an amount of about 1: 4 of a suspension or dispersion of a suitable binding or crosslinking agent, in particular consisting or mainly consisting of VeoVa / acrylate copolymer, are mixed, as indicated above for the expandable graphite-containing coating mixture.

Das Beschichtungs- bzw. Imprägniermaterial kann ggf. weitere Bestandteile enthalten, wie sie üblicherweise eingesetzt werden, z.B. Farbstoffe oder -pigmente, Verdickungsmittel, Puffer oder Mittel zum Einstellen eines spezifischen pH-Wertes, Stabilisatoren, Füllstoffe und dergleichen.The coating or impregnating material may optionally contain other ingredients as commonly used, e.g. Dyes or pigments, thickening agents, buffers or specific pH adjusters, stabilizers, fillers and the like.

Um die erfindungsgemäßen beschichteten/imprägnierten Textilmaterialien gegenüber chemischer und vor allem starker mechanischer Reinigung (z.B. mit Hochdruckreinigern oder Bürstenreinigern, die z.B. im Falle von LKW-Planen oder Tunnelabdeckungen häufig eingesetzt werden) besonders stabil zu machen, kann ihre Oberfläche in geeigneter Weise modifiziert werden. Dies kann beispielsweise durch eine Hydrophobierung der Oberfläche und/oder durch eine Verbesserung ihrer mechanischen Beständigkeitswerte geschehen. Um die Oberfläche hydrophob zu machen, können z.B. Fluorcarbonharze, Paraffinwachse, Silikone oder Polytetrafluorethylen-Dispersionen in die erfindungsgemäße Beschichtungs-/Imprägniermischung eingearbeitet werden, wenn diese allein bzw. als einzige bzw. oberste Schicht vorgesehen ist. Auch eine zusätzliche Vernetzung durch ein weiteres Vernetzungsmittel kann die mechanische Stabilität verbessern und die Beschichtung ggf. hydrophober machen. Alternativ kann die oberste Schicht mit einem geeigneten Hydrophobierungsmittel imprägniert werden, oder es wird eine Deckschicht ("Topcoat") aufgebracht, die besonders kratzfest ist. Weitere Möglichkeiten sind eine Beschichtung oder Imprägnierung mit Materialien, die bestimmte Oberflächenstrukturen mit extrem guten schmutzabweisenden Eigenschaften erzeugen (z.B. sog. "Nanobeschichtungen" mit "Lotuseffekt"), oder eine Plasmabehandlung mit hydrophobierenden Gasen.In order to make the coated / impregnated textile materials of the present invention particularly resistant to chemical and, above all, severe mechanical cleaning (e.g., high pressure cleaners or brush cleaners, which are widely used in, for example, truck tarpaulins or tunnel covers), their surface may be suitably modified. This can be done, for example, by hydrophobicizing the surface and / or by improving its mechanical resistance values. To render the surface hydrophobic, e.g. Fluorcarbonharze, paraffin waxes, silicones or polytetrafluoroethylene dispersions are incorporated into the coating / impregnating mixture according to the invention, if this is provided alone or as a single or top layer. Additional crosslinking by means of a further crosslinking agent can also improve the mechanical stability and possibly render the coating more hydrophobic. Alternatively, the uppermost layer can be impregnated with a suitable hydrophobizing agent, or a topcoat is applied, which is particularly scratch-resistant. Other options include coating or impregnation with materials that produce certain surface structures with extremely good soil release properties (e.g., so-called "lotus effect" "nanocoatings") or plasma treatment with hydrophobizing gases.

Die Beschichtungshärte ist durch das Mischungsverhältnis von harten und weichen Polymeren gut steuerbar. Der Fachmann wird dementsprechend für den jeweiligen Verwendungszweck Polymere mit geeigneten Glasübergangstemperaturen auswählen. Verschiedene Varianten an Acrylat/VeoVa-Copolymeren mit unterschiedlichen Härtegraden sind im Handel erhältlich.The coating hardness is well controllable by the mixing ratio of hard and soft polymers. The person skilled in the art will accordingly select polymers with suitable glass transition temperatures for the respective intended use. Different variants of acrylate / VeoVa copolymers with different degrees of hardness are commercially available.

Wenn erfindungsgemäß eine Beschichtung auf dem Textilmaterial vorgesehen ist, wird diese vorzugsweise in Form einer Paste oder eines Schaums auf das Textilmaterial aufgebracht. Das Aufbringen kann durch Rakeln, z.B. Walzenrakeln, Aufstreichen oder jede andere beliebige Methode erfolgen, deren Auswahl sich unter anderem nach der Viskosität des Beschichtungsmaterials richten wird. Die geeigneten Mengen kann der Fachmann leicht ermitteln, günstig ist beispielsweise ein Nassauftrag von 25-400 g/qm. Anschließend wird ggf. überschüssiges Lösungs- oder Dispersionsmittel entfernt, z.B. durch Trocknen, und die aufgestrichene Paste wird je nach Art der vorhandenen Komponenten kalandriert oder anderweitig verfestigt/gehärtet, z.B. durch Wärme oder Licht; ggf. kann auch eine selbsthärtende vernetzbare Komponente vorhanden sein. Es kann sich auch anbieten, das Beschichtungsmaterial in mehr als nur einem Arbeitsgang auf das Textilmaterial aufzubringen und nach jedem Arbeitsgang oder aber erst nach Aufbringen des gesamten Beschichtungsmaterials einen Verfestigungsschritt, z.B. nach Trocknen, vorzusehen.If, according to the invention, a coating is provided on the textile material, it is preferably applied to the textile material in the form of a paste or a foam. The application can be carried out by doctoring, e.g. Roller doctoring, brushing or any other method, the selection of which will depend inter alia on the viscosity of the coating material. The suitable amounts can be easily determined by a person skilled in the art, for example a wet application of 25-400 g / m 2 is favorable. Subsequently, if necessary, excess solvent or dispersing agent is removed, e.g. by drying, and the spread paste is calendered or otherwise solidified / cured depending on the nature of the components present, e.g. by heat or light; if necessary, a self-curing crosslinkable component may also be present. It may also be appropriate to apply the coating material to the textile material in more than one operation, and after each operation or only after application of the entire coating material, a solidification step, e.g. after drying, provide.

Soll die auf diese Weise gebildete Beschichtung mit einer oder weiteren Schichten (z.B. einer Weißpigment-Paste oder einem Topcoat) überzogen werden, so können die erforderlichen Trocknungs- bzw. Härtungsschritte auch erst nach Aufbringen mehrerer oder sogar aller Schichten vorgenommen werden.If the coating formed in this way is to be coated with one or more layers (for example a white pigment paste or a top coat), the required drying or hardening steps can also be carried out only after several or even all layers have been applied.

Nachstehend soll die Erfindung anhand von Beispielen näher erläutert werden.The invention will be explained in more detail below with reference to examples.

Beispiel 1:Example 1:

Ein Glasgewebe aus EC-9 68tex mit einem Flächengewicht von 205 g/m2 wurde mit folgender Rezeptur beidseitig beschichtet:

  • Enorex AVE 191    60 Teile (Copolymer aus Acrylat/VeoVa, von Collano Ebnöther AG, Schweiz)
  • Enorex H 276 AV    20 Teile (schwach carboxyliertes VeoVa/Acrylat-Copolymer von Collano Ebnöther AG, Schweiz)
  • Dicrylan FLN    16 Teile (Ammonium-Alkylaminstearat von Ciba)
  • Pigmentfarbstoff    4 Teile
A glass fabric made of EC-9 68tex with a basis weight of 205 g / m 2 was coated on both sides with the following formulation:
  • Enorex AVE 191 60 parts (copolymer of acrylate / VeoVa, from Collano Ebnöther AG, Switzerland)
  • Enorex H 276 AV 20 parts (weakly carboxylated VeoVa / acrylate copolymer from Collano Ebnöther AG, Switzerland)
  • Dicrylan FLN 16 parts (ammonium alkylamine stearate from Ciba)
  • Pigment dye 4 parts

Der Ansatz wurde mit einem Hansamixer verschäumt (Schaumlitergewicht 260 g/l) und auf einer Mageba-Beschichtungsanlage nach dem Walzenrakelverfahren mit einer Spalthöhe von 0,85 mm appliziert. Daraus resultierte ein Gesamtflächengewicht von 370 g/qm bei einer Dicke von 0,3 mm. Das beschichtete Gewebe wurde unmittelbar nach der Trocknung (80-140°C) heiß (140°C Walzentemperatur) kalandriert (Liniendruck: 180 N/mm).The batch was foamed with a Hansamixer (foam weight 260 g / l) and applied to a Mageba coating system by the roll-doctoring method with a gap height of 0.85 mm. This resulted in a total basis weight of 370 g / m² at a thickness of 0.3 mm. The coated fabric was calendered immediately after drying (80-140 ° C) hot (140 ° C roll temperature) (line pressure: 180 N / mm).

Man erhielt ein beidseitig beschichtetes Gewebe mit sehr guter Kratzfestigkeit und folienartiger, PVC-ähnlicher Oberfläche, das sich blockfrei aufwickeln ließ. Die Beschichtung ist stabil gegen Wasser (kalt und heiß), auch bei mehrmonatiger Lagerung darin. Außerdem ist sie stabil gegen verdünnte Laugen und Öl und bedingt stabil gegen Essigsäure (60 %ig), Benzin und Lösungsmittel (geprüft durch 24-stündiges Einlegen in das jeweilige Medium). Auch Wasserdampfstabilität ist gegeben. Die Stabilität ist hinsichtlich der Mehrzahl der oben genannten Medien mit der von PVCbeschichtetem Gewebe vergleichbar, die Widerstandsfähigkeit des Materials gemäß Beispiel 1 gegen Aceton ist jedoch wesentlich besser.This gave a double-sided coated fabric with very good scratch resistance and a film-like, PVC-like surface, which could be wound up block-free. The coating is stable against water (cold and hot), even when stored for several months. In addition, it is stable against dilute alkalis and oil and is stable against acetic acid (60%), gasoline and solvents (tested by 24-hour insertion into the respective medium). Also steam stability is given. The stability is comparable to that of PVC-coated fabric in respect of the majority of the media mentioned above, but the resistance of the material according to Example 1 to acetone is considerably better.

Beispiel 2:Example 2:

Ein Polyestergewebe aus OE-Garn Nm 34 mit einem Flächengewicht von 110 g/m2 wurde mit folgender Rezeptur einseitig beschichtet:

  • Enorex AVE 191    60 Teile (Copolymer aus Acrylat/VeoVa, von Collano Ebnöther AG, Schweiz)
  • Pyrovatim SB    12 Teile (Flammschutzmittel Polyammoniumphosphat, mit Anteilen an - - Melamin/Formaldehydkondensaten, Ciba)
  • Appretan 9213    18 Teile (Acrylat-Copolymer-Dispersion, selbstvernetzend, Clariant, Frankfurt/M)
  • Salmiakgeist 25%    1,6 Teile
  • TC-Verdicker SD    2,4 Teile (Acrylatverdicker, Textilcolor AG, Sevelen/CH)
A polyester fabric made from OE yarn Nm 34 with a basis weight of 110 g / m 2 was coated on one side with the following formulation:
  • Enorex AVE 191 60 parts (copolymer of acrylate / VeoVa, from Collano Ebnöther AG, Switzerland)
  • Pyrovatim SB 12 parts (flame retardant polyammonium phosphate, with proportions of - - melamine / formaldehyde condensates, Ciba)
  • Appretan 9213 18 parts (acrylate copolymer dispersion, self-crosslinking, Clariant, Frankfurt / M)
  • Ammonia Spirit 25% 1.6 parts
  • TC thickener SD 2.4 parts (acrylate thickener, Textilcolor AG, Sevelen / CH)

Der Ansatz mit einer Viskosität von 1,7-1,8 Pas wurde auf einem Brückner-Spannrahmen nach dem Luftrakelverfahren 3 mal einseitig beschichtet. Getrocknet und vernetzt wurde die Beschichtung 90 sec lang bei 150°C. Das Beschichtungsgewicht ist 150 g/qm trocken.The approach with a viscosity of 1.7-1.8 Pas was coated on a Brückner clamping frame by the air knife method 3 times on one side. The coating was dried and crosslinked at 150 ° C. for 90 sec. The coating weight is 150 gsm dry.

Man erhielt ein einseitig beschichtetes, schwer entflammbares Gewebe. Die Beschichtung ist mechanisch sehr belastbar, vor allem gegen Abrieb, und sehr stabil gegen die Reinigung mit Hochdruckreinigern. Das Flammschutzmittel spült sich auch nach mehrmaligen Reinigungszyklen nicht aus dem Beschichtungsverbund heraus.This gave a one-sided coated, flame-retardant fabric. The coating is mechanically very strong, especially against abrasion, and very stable against cleaning with high-pressure cleaners. The flame retardant does not flush out of the coating compound even after repeated cleaning cycles.

Beispiel 3:Example 3:

Ein Gewebe mit einem Quadratmetergewicht von 225 g aus Nm 40/2 Basofil (Melaninharzfaser der Firma BASF) und Technora oder Kevlar (Para-Aramidfaser; Kevlar ist eine Marke von Dupont) im Verhältnis 60:40 mit 27,5 Kettfäden pro cm und 15 Schußfäden pro cm in 2/1 Köperbindung wurde einseitig mit einer Paste aus

  • Kappaflamm T2/163    50 Gew.-Teile (Paste mit 55% Blähgraphit der Kapp-Chemie)
  • Enorex AVE 191    40 Gew.-Teile
  • Pyrovatim SB    10 Gew.-Teile
  • Kronos RN 43    7 Gew.-Teile (Titandioxid, Fa. Kronos)
  • Baysilone Öl    1 Gew.-Teil (Silikonöl, Fa. Bayer)
  • Salmiakgeist 25%    auf pH 10
  • TC-Verdicker    auf Viskosität 1,9 Ps/S
beschichtet. Das Beschichtungsgewicht betrug 300 g/qm. Anschließend erfolgte eine Imprägnierung mit 30 g/l Oleophobol SD (Fluorcarbonharz der Ciba Spezialitätenchemie). Die Beschichtung und die Imprägnierung wurden anschließend bei 160°C vernetzt.A 225 g square fabric of Nm 40/2 basofil (Melanin resin fiber from BASF) and Technora or Kevlar (para-aramid fiber: Kevlar is a Dupont trademark) in the ratio 60:40 with 27.5 warp threads per cm and 15 Wefts per cm in 2/1 twill weave was unilaterally with a paste
  • Kappa lamb T2 / 163 50 parts by weight (paste with 55% expandable graphite from Kapp-Chemie)
  • Enorex AVE 191 40 parts by weight
  • Pyrovatim SB 10 parts by weight
  • Kronos RN 43 7 parts by weight (titanium dioxide, Fa. Kronos)
  • Baysilone oil 1 part by weight (silicone oil, Bayer)
  • Sal ammoniac 25% to pH 10
  • TC thickener to viscosity 1.9 Ps / S
coated. The coating weight was 300 g / qm. This was followed by impregnation with 30 g / l of Oleophobol SD (fluorocarbon resin from Ciba Specialty Chemicals). The coating and the impregnation were then crosslinked at 160 ° C.

Man erhielt ein Produkt von guter Flexibilität mit einer grauweißen Beschichtungsseite. Im Vergleich zu einer Blähgraphitbeschichtung ohne Weißpigment wurden die folgenden optischen Messwerte erhalten: Mit Weißpigment ohne Weißpigment Absorption 45 % 90 % Reflexion 55 % 10 % A product of good flexibility was obtained with a greyish white coating side. Compared to an expanded graphite coating without white pigment, the following optical measurements were obtained: With white pigment without white pigment absorption 45% 90% reflection 55% 10%

Gemessen wurde das sichtbare Wellenspektrum von 400 bis 700 nm.The visible wave spectrum was measured from 400 to 700 nm.

Eine Probe des Materials wurde verschmutzt und mit einem Hochdruckreiniger gereinigt. Bereits nach einer relativ kurzen Reinigungszeit wurde ein sehr gutes Reinigungsergebnis erhalten; die Beschichtung blieb dabei unbeschädigt.A sample of the material was soiled and cleaned with a high pressure cleaner. After a relatively short cleaning time, a very good cleaning result was obtained; the coating remained undamaged.

Zur Prüfung des Intumeszenzverhaltens wurde das Material mit einem Bunsenbrenner beflammt. Im Bereich der Beflammung kam es zu einer Volumenzunahme von bis zu 180 %. Es entstand ein in sich stabiler Blähschaum mit guten Isoliereigenschaften. Das Gewebe zeigte keine Schmelztropfenbildung. Der Basofilanteil erzeugte ein stabiles Kohlenstoffgerüst.To test the Intumeszenzverhaltens the material was flamed with a Bunsen burner. There was an increase in volume of flaming up to 180%. The result was a stable in itself expandable foam with good insulating properties. The fabric showed no drop formation. The basofil fraction produced a stable carbon backbone.

Claims (11)

  1. Laminar material based on textile, comprising
    (a) a support material in the form of a textile laminar structure, the fibres of which are joined to one another, and
    (b) at least one impregnation of the support material or a coating applied to the support material,
    characterised in that the coating material or impregnating material contains a binder, which has a proportion of at least 30 wt.%, based on the total quantity of the binder, of an acrylateNeoVa copolymer.
  2. Laminar material according to claim 1, characterised in that the proportion of acrylate/VeoVa copolymer is at least 50 wt.%, more preferably at least 70 wt.%, and preferably lies in a range from 80-95 wt.%.
  3. Laminar material according to claim 1 or 2, characterised in that the textile laminar structure is a nonwoven material, a fibrous fabric or a fibrous knitted fabric.
  4. Laminar material according to one of the above claims, characterised in that the material of the textile laminar structure consists predominantly or only of synthetic fibres, in particular those of polyester, polyamide or polyacrylonitrile or mixtures thereof, polyester filaments, glass filaments or para-aramide fibres, which are optionally flame-resistant or have been rendered as such, glass fibres, aramide fibres, melamine resin fibres, ceramic fibres or Kevlar fibres or of mixtures of the afore-mentioned fibres or filaments or comprise the latter.
  5. Laminar material according to one of the above claims, characterised in that the impregnation of the textile laminar structure or the coating applied to the textile laminar structure consists only or predominantly of binder.
  6. Laminar material according to one of claims 1 to 4, characterised in that the impregnation of the textile laminar structure or the coating applied to the textile laminar structure also contains a flame-retardant material.
  7. Laminar material according to claim 6, characterised in that the textile laminar structure has a coating applied thereto and in that the flame-retardant material is a phosphorus-containing material or expanded graphite.
  8. Laminar material according to claim 7, characterised in that the coating applied to the textile laminar structure contains about 20 to 70 wt.% of binder and about 20 to 80 wt.% of flame-retardant material.
  9. Laminar material according to claim 7 or 8, characterised in that the coating applied to the textile laminar structure also contains a white pigment.
  10. Laminar material according to one of claims 1 to 8, characterised in that the coating applied to the textile laminar structure also contains a dyestuff or a coloured pigment.
  11. Use of a laminar material according to one of the above claims as outer-lying sun protection, outer-lying viewing protection, landfill cover, partitions for wet rooms, HGV-tarpaulin material, storage container material, tent material, swimming pool cover, life-jacket material, material for escape route boundaries, wall cladding, in particular for tunnel walls, or material in exhibition construction or stage construction, or as a constituent of the afore-mentioned materials.
EP20030023617 2002-10-21 2003-10-16 Water resistant, PVC-free flat textile material Expired - Lifetime EP1413669B1 (en)

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EP20030023617 EP1413669B1 (en) 2002-10-21 2003-10-16 Water resistant, PVC-free flat textile material

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EP02023481A EP1413668A1 (en) 2002-10-21 2002-10-21 Weather resistant, PVC-free flat textile material
EP02023481 2002-10-21
EP20030023617 EP1413669B1 (en) 2002-10-21 2003-10-16 Water resistant, PVC-free flat textile material

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EP1413669A1 EP1413669A1 (en) 2004-04-28
EP1413669B1 true EP1413669B1 (en) 2008-02-13

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EP (1) EP1413669B1 (en)

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Publication number Priority date Publication date Assignee Title
EP2308707A1 (en) 2009-10-12 2011-04-13 Schmitz Cargobull AG Tarpaulin for structure of truck trailer and structure for a truck trailer

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US7332450B2 (en) 2002-11-26 2008-02-19 Air Products Polymers, L.P. Waterborne hydrophobic barrier coatings derived from copolymers of higher vinyl esters
CN108299992A (en) * 2016-09-19 2018-07-20 苏州黑白画映影视器材有限公司 Projection screen PVC matt grieshoch coatings

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DE19733133A1 (en) * 1997-07-31 1999-02-04 Wacker Chemie Gmbh Powdery, crosslinkable textile binder composition
DE19959415C2 (en) * 1999-12-09 2002-03-07 Wacker Polymer Systems Gmbh Process for pre-bonding fiber materials
DE10022471C2 (en) * 2000-05-09 2002-06-06 Bamberger Kaliko Gmbh Textile fabrics for the substructure of printing blankets

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2308707A1 (en) 2009-10-12 2011-04-13 Schmitz Cargobull AG Tarpaulin for structure of truck trailer and structure for a truck trailer
WO2011045136A1 (en) 2009-10-12 2011-04-21 Schmitz Cargobull Ag Tarpaulin for a truck structure, and structure for a truck

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