EP2410104A2 - Structural board - Google Patents
Structural board Download PDFInfo
- Publication number
- EP2410104A2 EP2410104A2 EP11172639A EP11172639A EP2410104A2 EP 2410104 A2 EP2410104 A2 EP 2410104A2 EP 11172639 A EP11172639 A EP 11172639A EP 11172639 A EP11172639 A EP 11172639A EP 2410104 A2 EP2410104 A2 EP 2410104A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- base plate
- clay
- layer
- building board
- white glue
- 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.)
- Withdrawn
Links
- 239000004927 clay Substances 0.000 claims abstract description 29
- 239000003292 glue Substances 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000010440 gypsum Substances 0.000 claims abstract description 12
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- 235000013311 vegetables Nutrition 0.000 claims abstract description 5
- 241000233948 Typha Species 0.000 claims abstract description 4
- 239000011094 fiberboard Substances 0.000 claims abstract description 4
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract 3
- 239000000378 calcium silicate Substances 0.000 claims abstract 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000010410 layer Substances 0.000 claims description 36
- 241000196324 Embryophyta Species 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 239000011505 plaster Substances 0.000 description 5
- 239000004566 building material Substances 0.000 description 4
- 239000011506 clay plaster Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000012792 core layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002557 mineral fiber Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 229920002689 polyvinyl acetate Polymers 0.000 description 3
- 239000011118 polyvinyl acetate Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004832 casein glue Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930014626 natural product Natural products 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 240000000797 Hibiscus cannabinus Species 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 244000274883 Urtica dioica Species 0.000 description 1
- 235000009108 Urtica dioica Nutrition 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011176 biofiber Substances 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000004578 natural building material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
Definitions
- the present invention relates to a building board of a base plate constructed primarily of gypsum and a covering layer consisting essentially of clay, which may contain vegetable fibers.
- Typical building boards for the manufacture of drywall constructions consist of gypsum, gypsum plaster boards and gypsum fiber boards being used as plasterboard.
- a fiber board is known in which a clay layer is applied to a wood-based panel.
- the advantage of such a solution is that the flexural strength and tensile strength of the drywall panel is primarily given by the baseplate of gypsum material, so that no reinforcement and no chemical stabilization additives are required for the clay layer.
- the clay layer is directed towards the interior of the room and can provide its excellent sorption and desorption properties in an advantageous manner for improving the indoor climate.
- the incombustible and unlike gypsum fire-resistant clay plaster delays by the release of water of crystallization the effect of heat on the support plate, whereby the fire resistance of the composite panel is significantly increased.
- the mechanical strength of the clay layer is increased by the addition of biogenic plant fibers, such as bast fibers, hemp, flax, kenaf or nettle fibers. Furthermore, this addition also improves the workability of the surface. These fibers may be dry-mechanically or wet-microbially-mechanically processed and have a length of 5 mm to 15 mm.
- the proportion of fibers should be more than 0.1 percent by weight of the clay layer and the consistency of the building material mixture should be between the consistency ranges K3 and K5 according to ⁇ NORM B4200 (Part 10, Section 3.8). In detail, the questions of fiber addition in the EP 0 903 328 B discussed.
- a disadvantage of the building material panels described above is the fact that in the formulation of the clay layer consideration must be taken that a sufficiently stable connection of the clay layer is given to the base plate to represent a robust component.
- a precast element is known in which a layer of clay is applied to a support element, which may be designed, for example, as a plasterboard. Without special additional measures, the use of such a precast element is problematic. In particular, as a drywall such a system is not very suitable.
- a building board which consists of two cover layers, which are formed as mineral fiber plates, wherein between these cover layers, a core layer is inserted, which is formed substantially as a paper honeycomb.
- the core layer can also be formed as chipboard.
- the bonding of the core layer with the mineral fiber boards takes place in particular via an adhesive layer, which consists of a full-surface white glue application.
- an adhesive layer which consists of a full-surface white glue application.
- Object of the present invention is to avoid these disadvantages and to provide a building board that meets all building physics and building biology requirements and at the same time is robust and sustainable.
- the base layer is treated with white glue, for example, in order to improve the adhesion of the top layer.
- white glue is a wood glue made on polyvinyl acetate base.
- Synturit ® Synthesa can be used in the invention.
- white glue is an ideal adhesion promoter between the base plate and the clay layer.
- This is not a common plaster primer such as Beto-contact ® Knauf. No rough usual plaster base is produced, which needs a setting time, but the thinly applied glue layer glues the sand and fiber particles in the drying process with the base plate.
- the connection is so strong that in case of violent destruction in the inventive design always breaks the clay layer itself before it separates from the base plate.
- the surface of the base plate is smooth even after the application of white glue.
- Biofiber clay because of its composition (sands, silts, clay minerals, vegetable fibers, no chemical additives), in contrast to e.g. to conventional lime cement plasters or some stabilized clay plasters as an approximately pH neutral mixture not chemically with the glue used.
- the glue in this case can easily be cured in a thin contact zone at about the same time as the Biofaserlehmputz during the drying process.
- This compound is much more homogeneous and manufacturing more efficient than a conventional mechanical connection of plaster base and clay plaster, which is based on the coating of a primer on a support plate.
- white glue is understood to mean not only polyvinyl acetate-based glues, but also alternative gluing glues, such as casein glues.
- casein glues can be prepared as pure natural products, but must be freshly prepared if necessary.
- the setting time is also longer than with adhesives based on polyvinyl acetate.
- the present invention is also particularly suitable for plasterboard panels provided with milled grooves for receiving heating or cooling registers.
- the otherwise required troweling is eliminated, since the clay layer fills the remaining cavities in an advantageous manner. In this way Bioturalehmplatten can be displayed with heating or cooling function.
- the present invention relates to a method for producing a building board, in which a substantially consisting of clay topcoat is applied to a base plate constructed primarily of gypsum.
- this method is characterized in that an adhesive layer of white glue or another suitable glue is applied to the base plate before the application of the cover layer.
- the white glue is applied in a thin layer, preferably in an amount between 80 g / m 2 and 180 g / m 2 .
- the inventive method is carried out so that the clay layer is applied directly wet in wet on a thin layer of glue.
- a conventional primer for the plaster adhesion to the support plate not a conventional primer must be made as an independent layer of material, which then hardened in the dry state is a mechanical adhesive bridge for clay plaster, but that the application of white glue and top layer practically in one operation is possible.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Finishing Walls (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Bauplatte aus einer primär aus Gips aufgebauten Grundplatte und einer im Wesentlichen aus Lehm bestehenden Deckschicht, die Pflanzenfasern enthalten kann.The present invention relates to a building board of a base plate constructed primarily of gypsum and a covering layer consisting essentially of clay, which may contain vegetable fibers.
In der modernen Bautechnik hat sich die Verwendung von Trockenbausystemen weithin durchgesetzt. Dabei werden Wände und andere Gebäudeteile aus Bauplatten hergestellt, die auf eine entsprechende Unterkonstruktion, wie etwa Ständerwände, aufgebracht werden. Typische Bauplatten für die Herstellung von Trockenbaukonstruktionen bestehen aus Gips, wobei als Gipswerkstoffplatten Gipskartonplatten und Gipsfaserplatten eingesetzt werden.In modern construction technology, the use of drywall systems has become widely accepted. In this case, walls and other parts of buildings made of building boards, which are applied to a corresponding substructure, such as stud walls. Typical building boards for the manufacture of drywall constructions consist of gypsum, gypsum plaster boards and gypsum fiber boards being used as plasterboard.
Weiters ist bekannt, dass es durch die Verwendung natürlicher Baustoffe, wie etwa Lehm, möglich ist, wesentliche Verbesserungen im Bereich der Bauphysik und der Baubiologie zu erzielen. Aufgrund der besonderen Eigenschaften von geeigneten Lehmbaustoffen gegenüber Feuchtigkeit (Sorptions- und Desorptionsverhalten) wird eine außerordentliche Verbesserung des Raumklimas erreicht. Der Grundstoff ist in der Regel völlig frei von schädlichen oder bedenklichen Chemikalien und auch in den sonstigen bauphysikalischen Eigenschaften besonders vorteilhaft. So erzielt eine Lehmschicht mit günstigem Aufbau hervorragende Eigenschaften hinsichtlich des Brandwiderstandes.Furthermore, it is known that the use of natural building materials, such as loam, it is possible to achieve significant improvements in the field of building physics and building biology. Due to the special properties of suitable clay building materials against moisture (sorption and desorption behavior) an extraordinary improvement of the indoor climate is achieved. The base material is generally completely free of harmful or hazardous chemicals and also particularly advantageous in the other building physical properties. Thus, a clay layer with a favorable structure achieves excellent fire resistance properties.
Aus der
Eine weitere bekannte Lösung ist in der
Der Vorteil einer solchen Lösung besteht darin, dass die Biegefestigkeit und Zugfestigkeit der Trockenbauplatte primär durch die Grundplatte aus Gipswerkstoff gegeben ist, so dass für die Lehmschicht keinerlei Armierung und keine chemischen Stabilisierungszusätze erforderlich sind. Im fertigen Bauwerk ist die Lehmschicht zur Rauminnenseite gerichtet und kann ihre hervorragenden Sorptions- und Desorptionseigenschaften in vorteilhafter Weise zur Verbesserung des Raumklimas zur Verfügung stellen. Im Brandfall verzögert der unbrennbare und im Gegensatz zu Gips feuerbeständige Lehmputz durch die Abgabe von Kristallwasser die Hitzeinwirkung auf die Trägerplatte, wodurch der Brandwiderstand der Verbundplatte erheblich gesteigert wird.The advantage of such a solution is that the flexural strength and tensile strength of the drywall panel is primarily given by the baseplate of gypsum material, so that no reinforcement and no chemical stabilization additives are required for the clay layer. In the finished structure, the clay layer is directed towards the interior of the room and can provide its excellent sorption and desorption properties in an advantageous manner for improving the indoor climate. In case of fire, the incombustible and unlike gypsum fire-resistant clay plaster delays by the release of water of crystallization the effect of heat on the support plate, whereby the fire resistance of the composite panel is significantly increased.
Die mechanische Festigkeit der Lehmschicht wird durch die Beigabe biogener pflanzlicher Fasern, wie etwa Bastfasern, Hanf, Flachs, Kenaf oder Nesselfasern erhöht. Weiters wird durch diese Beigabe auch die Bearbeitbarkeit der Oberfläche verbessert. Diese Fasern können trocken-mechanisch oder feucht-mikrobiell-mechanisch aufbereitet sein und eine Länge von 5 mm bis 15 mm aufweisen. Der Anteil der Fasern soll über 0,1 Gewichtsprozent der Lehmschicht betragen und die Konsistenz der Baustoffmischung soll zwischen den Konsistenzbereichen K3 und K5 gemäß ÖNORM B4200 (Teil 10, Abschnitt 3.8) liegen. Im Detail sind die Fragen der Faserbeimischung in der
Nachteilig bei den oben beschriebenen Baustoffplatten ist die Tatsache, dass bei der Formulierung der Lehmschicht Rücksicht darauf genommen werden muss, dass eine ausreichend stabile Verbindung der Lehmschicht mit der Grundplatte gegeben ist, um ein robustes Bauelement darzustellen.A disadvantage of the building material panels described above is the fact that in the formulation of the clay layer consideration must be taken that a sufficiently stable connection of the clay layer is given to the base plate to represent a robust component.
Aus der
In der
Eine alternative Lösung ist in der
Aus der
Die Verklebung der Kernschicht mit den Mineralfaserplatten erfolgt insbesondere über eine Kleberschicht, die aus einem vollflächigen Weißleimauftrag besteht. Über die Verbindung von Mineralfaserplatten mit Papier einerseits und mit Faserplatten andererseits durch Weißleim hinaus enthält diese Druckschrift keine für den Fachmann verwertbare Offenbarung.The bonding of the core layer with the mineral fiber boards takes place in particular via an adhesive layer, which consists of a full-surface white glue application. About the connection of mineral fiber board with paper on the one hand and with fibreboard on the other hand by white glue addition, this document does not contain usable for the skilled person disclosure.
Aufgabe der vorliegenden Erfindung ist es, diese Nachteile zu vermeiden und eine Bauplatte anzugeben, die allen bauphysikalischen und baubiologischen Ansprüchen genügt und gleichzeitig robust und tragfähig ist.Object of the present invention is to avoid these disadvantages and to provide a building board that meets all building physics and building biology requirements and at the same time is robust and sustainable.
Erfindungsgemäß werden diese Aufgaben dadurch gelöst, dass die Grundschicht z.B. mit Weißleim behandelt ist, um die Haftung der Deckschicht zu verbessern. Weißleim ist ein Holzleim, der auf Polyvinylacetatbasis hergestellt ist. Als typisches Produkt kann im Rahmen der Erfindung Synturit® der Firma Synthesa verwendet werden. Überraschenderweise hat sich herausgestellt, dass Weißleim ein idealer Haftvermittler zwischen der Grundplatte und der Lehmschicht ist. Es handelt sich dabei nicht um einen üblichen Putzhaftgrund wie etwa Beto-Kontakt® von Knauf. Es wird kein rauer üblicher Putzhaftgrund hergestellt, der eine Abbindezeit braucht, sondern die dünn aufgetragene Leimschicht verklebt die Sand und Faserpartikel im Trocknungsprozess mit der Grundplatte. Die Verbindung ist dabei so fest, dass bei gewaltsamer Zerstörung bei erfindungsgemäßer Ausführung immer die Lehmschicht selbst bricht, bevor sich diese von der Grundplatte ablöst. Gemäß einem vorteilhaften Aspekt der vorliegenden Erfindung ist die Oberfläche der Grundplatte auch nach dem Auftrag von Weißleim glatt.According to the invention, these objects are achieved in that the base layer is treated with white glue, for example, in order to improve the adhesion of the top layer. White glue is a wood glue made on polyvinyl acetate base. As a typical product Synturit ® Synthesa can be used in the invention. Surprisingly, it has been found that white glue is an ideal adhesion promoter between the base plate and the clay layer. This is not a common plaster primer such as Beto-contact ® Knauf. No rough usual plaster base is produced, which needs a setting time, but the thinly applied glue layer glues the sand and fiber particles in the drying process with the base plate. The connection is so strong that in case of violent destruction in the inventive design always breaks the clay layer itself before it separates from the base plate. According to an advantageous aspect of the present invention, the surface of the base plate is smooth even after the application of white glue.
Biofaserlehm reagiert aufgrund seiner Zusammensetzung (Sande, Schluffe, Tonminerale; Pflanzenfasern; keine chemischen Zusätze) im Gegensatz z.B. zu konventionellen Kalkzementputzen oder manchen stabilisierten Lehmputzen als annähernd pH neutrales Gemisch nicht chemisch mit dem eingesetzten Leim. Dadurch kann der Leim in diesem Fall problemlos etwa gleichzeitig mit dem Biofaserlehmputz während des Trocknungsprozesses in einer dünnen Kontaktzone aushärten.Biofiber clay, because of its composition (sands, silts, clay minerals, vegetable fibers, no chemical additives), in contrast to e.g. to conventional lime cement plasters or some stabilized clay plasters as an approximately pH neutral mixture not chemically with the glue used. As a result, the glue in this case can easily be cured in a thin contact zone at about the same time as the Biofaserlehmputz during the drying process.
Diese Verbindung ist wesentlich homogener und fertigungstechnisch rationeller als eine übliche mechanische Verbindung von Putzgrund und Lehmputz, die auf der Beschichtung eines Haftgrundes auf einer Trägerplatte beruht.This compound is much more homogeneous and manufacturing more efficient than a conventional mechanical connection of plaster base and clay plaster, which is based on the coating of a primer on a support plate.
Als Weißleim im Rahmen der Erfindung werden nicht nur Leime auf Polyvinylacetatbasis verstanden, sondern auch alternative Anrührleime wie etwa Kaseinleime. Solche Kaseinleime sind als reine Naturprodukte darstellbar, müssen aber bei Bedarf frisch zubereitet werden. Auch die Abbindezeit ist länger als bei Leimen auf Polyvinylacetatbasis.For the purposes of the invention, white glue is understood to mean not only polyvinyl acetate-based glues, but also alternative gluing glues, such as casein glues. Such casein glues can be prepared as pure natural products, but must be freshly prepared if necessary. The setting time is also longer than with adhesives based on polyvinyl acetate.
Als besonders vorteilhaft haben sich Fasern herausgestellt, die aus Typha gewonnen werden. Typha sind Rohrkolbengewächse innerhalb der Ordnung der Süßgrasartigen. Bei der Verwendung dieser Pflanzenfasern haben sich besonders vorteilhafte Eigenschaften der Lehmschicht herausgestellt.Particularly advantageous fibers have been found that are obtained from Typha. Typha are caterpillars within the order of sweetgrass-like. When using these plant fibers, particularly advantageous properties of the clay layer have been found.
Die vorliegende Erfindung eignet sich auch in besonders bevorzugter Weise für Gipswerkstoffplatten, die mit eingefrästen Nuten versehen sind, um Heiz- bzw. Kühlregister aufzunehmen. Bei der erfindungsgemäßen Beschichtung entfällt das ansonsten erforderliche Einspachteln, da die Lehmschicht die verbleibenden Hohlräume in vorteilhafter Weise ausfüllt. Auf diese Weise können Biofaserlehmplatten mit Heizungs- bzw. Kühlungsfunktion dargestellt werden.The present invention is also particularly suitable for plasterboard panels provided with milled grooves for receiving heating or cooling registers. In the case of the coating according to the invention, the otherwise required troweling is eliminated, since the clay layer fills the remaining cavities in an advantageous manner. In this way Biofaserlehmplatten can be displayed with heating or cooling function.
Weiters betrifft die vorliegende Erfindung ein Verfahren zur Herstellung einer Bauplatte, bei dem auf eine primär aus Gips aufgebaute Grundplatte eine im Wesentlichen aus Lehm bestehende Deckschicht aufgebracht wird. Erfindungsgemäß ist dieses Verfahren dadurch gekennzeichnet, dass vor dem Aufbringen der Deckschicht eine Haftschicht aus Weißleim oder einem anderen geeigneten Leim auf die Grundplatte aufgetragen wird. Besonders vorzugsweise wird der Weißleim in dünner Schicht vorzugsweise in einer Menge zwischen 80 g/m2 und 180 g/m2 aufgetragen.Furthermore, the present invention relates to a method for producing a building board, in which a substantially consisting of clay topcoat is applied to a base plate constructed primarily of gypsum. According to the invention, this method is characterized in that an adhesive layer of white glue or another suitable glue is applied to the base plate before the application of the cover layer. Particularly preferably, the white glue is applied in a thin layer, preferably in an amount between 80 g / m 2 and 180 g / m 2 .
Besonders bevorzugt wird das erfindungsgemäße Verfahren so ausgeführt, dass die Lehmschicht direkt nass in nass auf eine dünne Leimschicht aufgebracht wird. Der besondere Vorteil dieses Verfahrens liegt darin, dass für die Putzhaftung auf der Trägerplatte nicht ein üblicher Haftgrund als eigenständige Werkstoffschicht hergestellt werden muss, der danach im Trockenen abgebundenen Zustand eine mechanische Haftbrücke für den Lehmputz darstellt, sondern dass das Aufbringen von Weißleim und Deckschicht praktisch in einem Arbeitsgang möglich ist.Particularly preferably, the inventive method is carried out so that the clay layer is applied directly wet in wet on a thin layer of glue. The particular advantage of this method is that for the plaster adhesion to the support plate not a conventional primer must be made as an independent layer of material, which then hardened in the dry state is a mechanical adhesive bridge for clay plaster, but that the application of white glue and top layer practically in one operation is possible.
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT12272010A AT510031B1 (en) | 2010-07-20 | 2010-07-20 | building board |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2410104A2 true EP2410104A2 (en) | 2012-01-25 |
EP2410104A3 EP2410104A3 (en) | 2012-12-05 |
Family
ID=44512621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11172639A Withdrawn EP2410104A3 (en) | 2010-07-20 | 2011-07-05 | Structural board |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2410104A3 (en) |
AT (1) | AT510031B1 (en) |
DE (1) | DE202011110346U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105170119A (en) * | 2015-09-30 | 2015-12-23 | 太仓碧奇新材料研发有限公司 | Preparation method of typha gypsum powder composite material for enriching iridium ions in tailing wastewater |
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DE19950356A1 (en) | 1999-10-19 | 2001-05-23 | Siegfried Burglechner | Multi layer board material for use in building industry, comprises wooden support layer and curable cover layer |
DE10104737A1 (en) | 2001-02-02 | 2002-09-12 | Rommersbach Carmen | Structural plate for light engineering has inner core layer with outer cover layers having integrated mineral fibre plates as fire protection layers |
EP0903328B1 (en) | 1997-08-22 | 2004-04-21 | Roland Meingast | Building material made of unfired loam or clay |
DE202008014162U1 (en) | 2008-10-24 | 2009-01-15 | Kakuk, Stefan | Lightweight construction board with clay and clay coating |
EP2039842A2 (en) | 2007-09-20 | 2009-03-25 | Christian Kirchmaier | Dry construction system |
AT10861U1 (en) | 2008-01-22 | 2009-11-15 | Ghj Beteiligungs Gmbh | DRY PLATE |
AT11090U1 (en) | 2005-12-27 | 2010-04-15 | Ghj Beteiligungs Gmbh | FASERLEHMPLATTE |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB150551A (en) * | 1919-10-08 | 1920-09-09 | Mone Rachel Isaacs | Improvements in coating compositions or paints |
GB497958A (en) * | 1937-06-30 | 1938-12-30 | John Briscoe Sandford | Improvements in or relating to the manufacture of composite wall board |
US2618028A (en) * | 1946-07-02 | 1952-11-18 | United States Gypsum Co | Panel type laminated wallboard partition |
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2010
- 2010-07-20 AT AT12272010A patent/AT510031B1/en not_active IP Right Cessation
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2011
- 2011-07-05 EP EP11172639A patent/EP2410104A3/en not_active Withdrawn
- 2011-07-05 DE DE201120110346 patent/DE202011110346U1/en not_active Expired - Lifetime
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105170119A (en) * | 2015-09-30 | 2015-12-23 | 太仓碧奇新材料研发有限公司 | Preparation method of typha gypsum powder composite material for enriching iridium ions in tailing wastewater |
Also Published As
Publication number | Publication date |
---|---|
AT510031B1 (en) | 2012-01-15 |
DE202011110346U1 (en) | 2013-07-19 |
EP2410104A3 (en) | 2012-12-05 |
AT510031A4 (en) | 2012-01-15 |
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