WO2004003286A1 - Couche de colle activable - Google Patents

Couche de colle activable Download PDF

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Publication number
WO2004003286A1
WO2004003286A1 PCT/AT2003/000176 AT0300176W WO2004003286A1 WO 2004003286 A1 WO2004003286 A1 WO 2004003286A1 AT 0300176 W AT0300176 W AT 0300176W WO 2004003286 A1 WO2004003286 A1 WO 2004003286A1
Authority
WO
WIPO (PCT)
Prior art keywords
wallpaper
adhesive
water
web
starch
Prior art date
Application number
PCT/AT2003/000176
Other languages
German (de)
English (en)
Inventor
Bengt Hedestam
Roman Steindl
Original Assignee
Hornstein Glastextil Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hornstein Glastextil Ag filed Critical Hornstein Glastextil Ag
Priority to AU2003237562A priority Critical patent/AU2003237562A1/en
Publication of WO2004003286A1 publication Critical patent/WO2004003286A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • 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
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0022—Glass fibres
    • 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
    • D06N7/0002—Wallpaper or wall covering on textile basis
    • 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
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/10—Particulate form, e.g. powder, granule

Definitions

  • the invention relates to a method for . Production of an activatable adhesive layer on a web-shaped wall decoration material, on the use of suitable starches for this and on web-shaped decorative materials, in particular wallpapers, obtained by this process.
  • These adhesives are mixed in powder form or as concentrated pastes with appropriate amounts of water to the ready-to-use paste and applied to the wallpaper strips.
  • machine paste application is preferred to manual application.
  • the wallpaper webs are laminated onto the walls.
  • the adhesives are designed in such a way that the paths on the wall can be corrected by moving them slightly for a certain time.
  • the wallpapering process described is very time-consuming and requires careful handling of the adhesives, since otherwise the wallpaper strips are easily slip or become dirty. Depending on the weather, the drying process takes considerable time.
  • thermoplastic adhesive layer is only possible with flat, flat and completely closed wallpaper strips, which is rarely feasible, especially with textile wallpapers and glass fiber wallpapers.
  • the fabric level or the interstices between the warp and weft threads are often not completely closed.
  • An application of a thermoplastic adhesive would lead to incorrect bonding during manufacture, since the adhesive passes through these holes.
  • the hardened adhesive residues would additionally contaminate the decorative wallpaper side and the subsequent processing steps such as Overpainting due to different adhesion of the colors makes it difficult.
  • EP 0 909 850 describes a wallpaper with multicolored printing and a self-adhesive layer of adhesive. Although the wallpapers described can be removed from the substrate with virtually no residue due to their pure adhesive properties, the wallpapering process differs considerably from normal practice and is therefore not used with preference. The manufacturing cost of such, with
  • EP 1 162 306 describes a process for the production of glass fiber wallpapers which are equipped with a latently sticky coating with the customary adhesives which are otherwise used as paste. It is made in a two-stage process in the first step from the glass fiber fabric with the aid of finishing liquors which are well known to the person skilled in the art, which are made from customary cold water-soluble modified potato starch derivatives or cold water-soluble modified corn starch derivatives or cold water-soluble carboxymethyl celluloses, from polymer latices, for example ethylene-vinyl acetate dispersions -Butadiene dispersions, styrene-acrylate dispersions and other customary polymeric film formers such as polyvinyl acetates, from crosslinking inorganic or organic active ingredients, such as various zirconium salts, aluminum salts, urea-formaldehyde resins or glyoxal derivatives, from pigments and hydrophobizing agents such as, for example Paraffin wax emulsions exist
  • a customary aqueous wallpaper paste made from modified, cold water-soluble starch adhesives and / or cold water-soluble carboxymethyl celluloses is applied to the prefabricated wallpaper web with suitable application systems and then again dried in a drying section to form a latently sticky coating on the wallpaper.
  • salts e.g. Sodium nitrate, also used on loan.
  • the glass fiber wallpapers are thus produced and dried in a manner known per se using impregnation liquors which are well known to the person skilled in the art.
  • the wallpaper is available in a large roll.
  • the two-stage process described is therefore limited to selected, completely closed wallpaper qualities, which currently only make up 10-20% of the total processed qualities, and, due to the two-time coating and drying, causes high manufacturing costs in addition to high drying energy expenditure.
  • the wallpaper produced cannot be moistened by machine application, as is customary in commercial practice, but must be sprayed with water, since otherwise the applied adhesive would detach from the wallpaper when it was moistened.
  • the adhesive layer must therefore also have an accelerated water absorption capacity, since otherwise the water absorption would only be too low by spraying, so that the adhesive can develop optimally. This is achieved through the additional use of wetting salts such as inorganic salts (sodium nitrate). However, this compromise also causes a deterioration in the adhesion of the wallpaper applied and dried on the substrate. As is known to the starch expert, ionic additions to starches soluble in cold water bring about increased solubility of the dried starch films and due to reactions of the monovalent cations with the hydroxyl groups of the starch molecules
  • the wallpaper should be able to be produced with the slightest modifications in the plants of the producers, change the production processes to the smallest extent and thus have the least possible increase in manufacturing costs.
  • the wallpaper produced should be processable with the usual, commercially applied work steps.
  • the method should generally be applicable to all decorative wallpapers.
  • the adhesive system used in the process should be able to be activated with water using the equipment used by commercial upholsterers and the holding force should not differ significantly from previous experience with modern wallpaper paste.
  • the manufactured wallpaper should be removable from the surface without the use of additional, aggressive chemicals in accordance with the previous habits, but should be able to withstand the normal exposure of the decorated walls to moisture without damage, without the need for reworking.
  • the fabric webs are coated with the well-known impregnation liquors and with the respective coating process of the manufacturer and shortly before drying in the drying section with the heated drying cylinders or other drying processes sprinkled with fine-grained, powdery adhesives.
  • Common powder spreading systems that are already used in the production of nonwovens can be used for this.
  • a sufficient amount of the powder is applied homogeneously across the entire web width. Between 10 g / m 2 and 100 g / m 2 powder are sprinkled in such a way that there is no dust pollution in the surrounding atmosphere.
  • the adhesive powder only adheres to the areas with a closed film, in those areas where no film has formed due to the limited film formation capacity of the impregnation liquor or the fabric level remains open, the powder falls through the web and is preferably just below the web is collected in a suitable device and returned for reuse. This achieves the efficient and economical consumption of the adhesive powder. Likewise, this does not result in any contamination of the underside of the web, which subsequently results in the decorative side of the wallpaper. Defects in the decorative surface of the wallpaper are therefore excluded.
  • the web sprinkled with powder adhesive then arrives in the drying section on the drying cylinders. The heat energy acts on the one hand to completely film and dry the impregnation liquor to form a stable wallpaper, and on the other hand to ensure that the adhesive powder is adequately bonded to the back of the wallpaper.
  • the adhesive powders used can be the state-of-the-art modified, starch-soluble cold starches made from a wide variety of raw materials, for example potato starch, corn starch, rice starch, tapioca starch or other cereal starches such as wheat or rye starches in sufficiently fine grinding, or else mixtures of these starches with one another or the customary cellulose ethers , such as carboxymethyl celluloses or other cellulose ethers, or their mixtures with the starch products.
  • starches of the raw materials mentioned which are not soluble in cold water, but which can be modified by partial acid hydrolysis or oxidative degradation, or mixtures thereof.
  • This process is particularly suitable for all textile wallpapers, regardless of the degree of closure. This means that the coating process with the adhesive is generally applicable regardless of the actual impregnation liquor composition and its filming properties.
  • the impregnation systems only need to be expanded with a powder spreader for this process.
  • the production processes in the manufacture of the wallpaper are hardly influenced, ⁇ since the amount of water that has to be dried is not increased.
  • the production speed hardly changes in comparison to the production of the wallpaper without an adhesive coating.
  • the production costs of a wallpaper coated with adhesive are therefore only marginally higher than the production costs of a conventional wallpaper without an adhesive coating.
  • the subject method is preferred in one
  • Another surprising property of the adhesive layer in question is its swelling behavior towards water. As is well known to the starch expert, a differently intensive digestion process leads to pronounced changes in the viscosity and rheology of the digested starches as soon as they are dissolved in water.
  • the digestion in the dry section does not lead to the complete dissolution of the native molecular structures in the star grains, but still leaves clear residual structures of the native starch grains. , .
  • the moistening step of the wallpaper web according to the invention does not necessarily differ from the process previously followed.
  • the wallpaper web can be moistened with a paste application machine. It is also possible to moisten the wallpaper with a water mist by spraying it on. It has also surprisingly been found that the coating according to the invention is only exceptionally firmly bonded to the wallpaper web with only partially digested starch, so that only very small amounts of the adhesive dissolve into the dampening water, which was not the case with the previously known wallpapers coated with adhesive , It is also possible to beat up the wallpaper strips so that the
  • Wallpaper if necessary, lose its elasticity due to moisture so that it can be easily processed over corners and edges.
  • the wallpaper strips are cut into commercial sizes of 50 running meters and packed.
  • the wallpapers can be processed by commercial or private consumers without the use of an additional wallpaper adhesive, without having to accept significant changes in the workflow. Examples
  • a typical, loose glass fiber fabric with a basis weight of 100 g with wide mirrors in 60 by 60 cm pieces was finished with an impregnation liquor which had a dry substance concentration of 10% in water.
  • the composition of the liquor corresponded to a typical and mostly used formulation of a potato starch ether, dissolved in water (25% of the dry matter), a styrene-acrylate dispersion (TG 6 ° C) (50% of the dry matter), a crosslinker based on an ammonium zirconium carbonate solution in water (12.5% of the dry substance) and a water repellent based on an aqueous paraffin emulsion (12.5% of the dry substance).
  • the liquor was finished on the fabric pieces so that a dry coating of 40 g / m 2 was obtained.
  • a sufficient amount of the commercially available product Metylan TT instant was ground in a laboratory impact mill to a powder with a maximum grain size of less than 200 micrometers. This powder was applied via a suitable sieve to the still moist, impregnated piece of wallpaper from Example 1 in an amount corresponding to an application of 35 g / m 2 .
  • test specimen was dried on an aluminum plate with a Teflon coating at a temperature of 200 ° C within 1 minute, the side of the test surface not coated with adhesive resting on the heating plate.
  • Teflon coating at a temperature of 200 ° C within 1 minute, the side of the test surface not coated with adhesive resting on the heating plate.
  • test specimens were cut from the center of the piece of wallpaper produced from the finished test specimen.
  • the test specimens were soaked in water for 1 minute, folded up, stored for 10 minutes and then glued to a non-impregnated plasterboard.
  • Example 3 Coating with a modified, roller-dried potato starch
  • a sufficient amount of the commercially available product Metylan TT instant was ground in a laboratory impact mill to a powder with a maximum grain size of less than 200 micrometers. This powder was applied to the still moist, impregnated wallpaper piece from Example 1 in a quantity corresponding to an application of 35 g / m 2 via a suitable sieve.
  • test specimen was dried on an aluminum plate with a Teflon coating at a temperature of 200 ° C. within 1 minute, the side of the test surface not coated with adhesive resting on the heating plate.
  • Teflon coating at a temperature of 200 ° C. within 1 minute, the side of the test surface not coated with adhesive resting on the heating plate.
  • test specimens were cut from the center of the piece of wallpaper produced from the finished test specimen. The test specimens were soaked in water for 1 minute, folded up, stored for 10 minutes and then glued to a non-impregnated plasterboard.
  • Example 4 Coating with a granular, technical potato starch
  • the finely powdered potato starch was applied via a suitable sieve to the still moist, impregnated piece of wallpaper from Example 1 in an amount corresponding to an application of 35 g / m 2 .
  • test specimen was dried on an aluminum plate with a Teflon coating at a temperature of 200 ° C. within 30 seconds, the side of the test surface not coated with adhesive resting on the heating plate.
  • test specimens were cut from the center of the piece of wallpaper produced from the finished test specimen. The test specimens were soaked in water for 1 minute, folded, 10 mi grooves stored and then glued to a non-impregnated plasterboard.
  • Example 5 Coating with granular, technical corn starch
  • the finely powdered corn starch was applied via a suitable sieve to the still moist, impregnated piece of wallpaper from Example 1 in an amount corresponding to an application of 35 g / m 2 .
  • the test specimen was dried on an aluminum plate with a Teflon coating at a temperature of 200 ° C. within 30 seconds, the side of the test surface not coated with adhesive resting on the heating plate.
  • Several test specimens were cut from the center of the piece of wallpaper produced from the finished test specimen. The test specimens were soaked in water for 1 minute, folded up, stored for 10 minutes and then glued to a non-impregnated plasterboard.
  • Example 6 Coating with a mixture of granular, technical corn starch and granular, technical potato starch in a ratio of 1: 1
  • the finely powdered starch mixture was applied via a suitable sieve to the still moist, impregnated piece of wallpaper from Example 1 in an amount corresponding to an application of 35 g / m 2 .
  • test specimen was dried on an aluminum plate with a Teflon coating at a temperature of 200 ° C. within 30 seconds, the side of the test surface not coated with adhesive resting on the heating plate.
  • test specimens were cut from the center of the piece of wallpaper produced from the finished test specimen. The test specimens were soaked in water for 1 minute, folded up, Stored for 10 minutes and then glued to a non-impregnated plasterboard.
  • Example 7 Bonding a sample from example 1 with oval lit.
  • Example 1 A sample from Example 1 was glued to a non-impregnated plasterboard with Ovalit T.
  • Example 8 Gluing a sample from example 1 with a ready-to-use, aqueous solution from Metylan TT instant
  • a sample from example 1 was coated with the wallpaper paste Metylan TT instant and glued to a non-impregnated plasterboard.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé pour appliquer une couche de colle activable à l'eau sur des matériaux de décoration en forme de bandes, notamment des lés de papier peint. Selon ce procédé, lors de la fabrication du papier peint, des adhésifs pulvérulents sont appliqués, puis séchés, sur la bande de papier humidifiée en au moins une épaisseur granuleuse non soluble à l'eau froide. Dans un mode de réalisation préféré, l'excédent de colle pulvérulente ainsi appliquée est recueilli et recyclé.
PCT/AT2003/000176 2002-06-26 2003-06-24 Couche de colle activable WO2004003286A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003237562A AU2003237562A1 (en) 2002-06-26 2003-06-24 Activatable adhesive layer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA960/2002 2002-06-26
AT9602002 2002-06-26

Publications (1)

Publication Number Publication Date
WO2004003286A1 true WO2004003286A1 (fr) 2004-01-08

Family

ID=29783644

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2003/000176 WO2004003286A1 (fr) 2002-06-26 2003-06-24 Couche de colle activable

Country Status (2)

Country Link
AU (1) AU2003237562A1 (fr)
WO (1) WO2004003286A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2978445A1 (fr) * 2011-07-29 2013-02-01 Bostik Sa Composition adhesive pour toile de verre facilitant son arrachage
WO2013182783A1 (fr) 2012-06-04 2013-12-12 Saint-Gobain Adfors Toile de verre autoadhesive et activable par l'eau
WO2015004404A1 (fr) * 2013-07-12 2015-01-15 Saint-Gobain Adfors Toile a peindre a base de fibres vegetales

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326118A (en) * 1940-10-04 1943-08-10 Stein Hall Mfg Co Pregummed hanging material
GB1184563A (en) * 1966-09-28 1970-03-18 Wall Paper Manufacturers Ltd Wall Coverings.
US3640756A (en) * 1967-10-31 1972-02-08 Scholten Research Nv Remoistenable pregummed products
GB1311862A (en) * 1969-09-19 1973-03-28 Wall Paper Mfrs Ltd Wall coverings
GB1460962A (en) * 1973-01-20 1977-01-06 Holtzmann Cie Ag E Strippable wallpaper
US5296535A (en) * 1989-11-21 1994-03-22 National Starch And Chemical Investment Holding Corporation Remoistenable adhesive composition
WO1998014655A1 (fr) * 1996-10-01 1998-04-09 Niels Wendland Papier peint en nappe de fibres de verre
EP1162306A2 (fr) * 2000-06-07 2001-12-12 Johns Manville Europe GmbH Revêtement de mur à base d'un tissu de verre préalablement encollé
WO2002030988A2 (fr) * 2000-10-11 2002-04-18 Emsland-Stärke GmbH Amidon fragmente, son procede de production et son utilisation

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326118A (en) * 1940-10-04 1943-08-10 Stein Hall Mfg Co Pregummed hanging material
GB1184563A (en) * 1966-09-28 1970-03-18 Wall Paper Manufacturers Ltd Wall Coverings.
US3640756A (en) * 1967-10-31 1972-02-08 Scholten Research Nv Remoistenable pregummed products
GB1311862A (en) * 1969-09-19 1973-03-28 Wall Paper Mfrs Ltd Wall coverings
GB1460962A (en) * 1973-01-20 1977-01-06 Holtzmann Cie Ag E Strippable wallpaper
US5296535A (en) * 1989-11-21 1994-03-22 National Starch And Chemical Investment Holding Corporation Remoistenable adhesive composition
WO1998014655A1 (fr) * 1996-10-01 1998-04-09 Niels Wendland Papier peint en nappe de fibres de verre
EP1162306A2 (fr) * 2000-06-07 2001-12-12 Johns Manville Europe GmbH Revêtement de mur à base d'un tissu de verre préalablement encollé
WO2002030988A2 (fr) * 2000-10-11 2002-04-18 Emsland-Stärke GmbH Amidon fragmente, son procede de production et son utilisation

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2978445A1 (fr) * 2011-07-29 2013-02-01 Bostik Sa Composition adhesive pour toile de verre facilitant son arrachage
EP2551318A3 (fr) * 2011-07-29 2013-03-20 Bostik Sa Composition adhésive pour toile de verre facilitant son arrachage
WO2013182783A1 (fr) 2012-06-04 2013-12-12 Saint-Gobain Adfors Toile de verre autoadhesive et activable par l'eau
WO2015004404A1 (fr) * 2013-07-12 2015-01-15 Saint-Gobain Adfors Toile a peindre a base de fibres vegetales
FR3008431A1 (fr) * 2013-07-12 2015-01-16 Saint Gobain Adfors Toile a peindre a base de fibres vegetales.
CN105683433A (zh) * 2013-07-12 2016-06-15 圣戈班艾德福斯公司 基于植物纤维的可绘布
US20160177502A1 (en) * 2013-07-12 2016-06-23 Saint-Gobain Adfors Paintable cloth based on plant fibers
CN105683433B (zh) * 2013-07-12 2018-03-27 圣戈班艾德福斯公司 基于植物纤维的可绘布
US10316464B2 (en) 2013-07-12 2019-06-11 Saint-Gobain Adfors Paintable cloth based on plant fibers

Also Published As

Publication number Publication date
AU2003237562A1 (en) 2004-01-19

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