WO2010114461A1 - Revêtement pour plaque de construction, plaque de construction comprenant le revêtement et procédé pour produire la plaque de construction - Google Patents
Revêtement pour plaque de construction, plaque de construction comprenant le revêtement et procédé pour produire la plaque de construction Download PDFInfo
- Publication number
- WO2010114461A1 WO2010114461A1 PCT/SE2010/050294 SE2010050294W WO2010114461A1 WO 2010114461 A1 WO2010114461 A1 WO 2010114461A1 SE 2010050294 W SE2010050294 W SE 2010050294W WO 2010114461 A1 WO2010114461 A1 WO 2010114461A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- coating
- construction board
- gypsum
- gypsum core
- Prior art date
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 128
- 239000011248 coating agent Substances 0.000 title claims abstract description 125
- 238000010276 construction Methods 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 78
- 239000010440 gypsum Substances 0.000 claims abstract description 78
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 19
- 230000008018 melting Effects 0.000 claims abstract description 18
- 238000002844 melting Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 28
- 239000002002 slurry Substances 0.000 claims description 26
- 239000004033 plastic Substances 0.000 claims description 24
- 229920003023 plastic Polymers 0.000 claims description 24
- -1 polypropylene Polymers 0.000 claims description 18
- 239000004743 Polypropylene Substances 0.000 claims description 16
- 229920001155 polypropylene Polymers 0.000 claims description 16
- 230000002349 favourable effect Effects 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 9
- 229920002994 synthetic fiber Polymers 0.000 claims description 8
- 239000012209 synthetic fiber Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 2
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 claims 1
- 239000010410 layer Substances 0.000 description 123
- 239000000835 fiber Substances 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 7
- 230000035699 permeability Effects 0.000 description 5
- 229920006255 plastic film Polymers 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 229920002544 Olefin fiber Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004767 olefin fiber Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- 241000531908 Aramides Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229920003231 aliphatic polyamide Polymers 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
-
- 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
Definitions
- a COATING FOR A CONSTRUCTION BOARD A CONSTRUCTION BOARD COMPRISING THE COATING AND A METHOD FOR PRODUCING THE CONSTRUCTIONS BOARD
- the present invention relates to a coating for a construction board, a construction board comprising said coating and a method for producing the construction board.
- This type of construction boards comprises a gypsum core and is commonly used within the field of construction for panelling walls, ceilings, columns, beams, floors and similar structures.
- This type of construction boards is also used for room dividing structures and is also used as fireproof and soundproof construction parts.
- One conventional construction board comprises a gypsum core having a first side, a second side opposite the first side and edge sides, wherein at least the first and second sides of the construction board are provided with a coating in the form of paper layers.
- the prior art also includes a plurality of construction boards and plaster boards having a plastic layer to provide decorative or water-repellent properties.
- One such type of construction board is disclosed in CA688763, wherein a paper coated gypsum core is provided with a plastic layer for decorative purposes.
- Another such type of construction board is disclosed in US2008/0245012, wherein the coating can comprise synthetic fiber and a polymer based binder in the form of latex to provide a hydrophobic construc- tion board.
- One object of the invention is to avoid the above mentioned drawback of prior art and provide a coating for a construction board being less sensitive to moisture.
- the coating according to the invention results in simple and cost efficient production of a construction board having a gypsum core and favourable properties against moisture and microbial growth in the form of mold and similar. Further, the coating according to the invention provides a favourable working environment for construction workers and others who are working with construction boards of this type.
- the present invention comprises a coating for a construction board having a gypsum core, characterised in that the coating comprises a flexible, water permeable and polymer based first layer for direct contact with the gypsum core to connect the coating thereto, a flexible, water permeable and reinforcing second layer connected to the first layer and being arranged for providing a foldable coating, and a flexible water permeable and polymer based third layer connected to the second layer, wherein the third layer is heat resistant for avoiding melting when passing through a drying kiln for drying the gypsum core.
- the coating can be arranged entirely by polymer materials or plastic materials providing improved moisture resistance while the working environment for the handling thereof can be improved.
- the first layer of the coating can comprise polypropylene or a polymer or a plastic material having corresponding properties.
- Polypropylene or a polymer based on polypropylene has been found to give good adhesion to the gypsum core while excellent water permeability can be obtained. Further, the melting point of polypropylene is high enough to allow the first layer to pass through a kiln for drying the gypsum core without any appreciable effect.
- the first layer can be arranged as a synthetic fiber.
- the first layer can be arranged with apertures in the form of through apertures or in the form of indentations or recesses for cooperation with the gypsum core.
- the apertures can be arranged so that gypsum slurry penetrates them for improved adhesion to the first layer. Further, the apertures can further improve the water permeability while the apertures result in material savings.
- the second layer can comprise a reinforcing and polymer based net structure, such as a net structure based on polypropylene or any other material having corresponding properties. It has been found that a reinforcing layer comprising a reinforcing net structure of polypropylene result in a favourable strength and rigidity of the coating, so that it can be folded to a shape for receiving gypsum slurry and maintain the folded shape during the moulding of the gypsum core.
- the second layer can be arranged to give the construction board the necessary strength.
- the coating or the second layer can be arranged with a strength corresponding to a paper coating of a paper coated standard type gypsum board.
- the net structure can be embedded in a plastic material in the form of a plastic film or a fiber cloth of a synthetic fiber.
- the third layer can comprise polyester or any other material having corresponding properties. It has been found that polyester has favourable properties for adhesion to the second layer while it is sufficiently heat- resistant to form an outer surface for passing through a kiln for drying the gypsum core. Further, polyester can be arranged to have favourable properties for further work, such as filling, painting, wallpapering, tiling, etc.
- the third layer can be formed in a polyester based polymer.
- the third layer is formed in a thermoplastic having a melting point above 200 0 C.
- the third layer can be arranged as a synthetic fiber.
- the invention also relates to a construction board comprising the gypsum core as above.
- the coating on at least one of the sides of the gypsum core can be provided with a waterproof fourth layer, for example, by melting of a surface layer of the third layer. Consequently, a water repellent or wa- terproof construction board can be provided, which is suitable for use in wet areas and similar.
- the fourth layer can function as a vapour barrier, wherein only the joints between adjacent construction boards re- quires further work, such as by applying tape or a conventional vapour barrier or similar, to provide a vapour barrier for a wet area for example.
- the invention also relates to a method for producing such a construction board, comprising the steps of a) advancing a first coating sheet comprising a first polymer based layer, a reinforcing and polymer based second layer and a heat resistant and polymer based third layer, b) folding the first coating sheet along each long side and forming a mould having a bottom and sides and by means of the reinforcing second layer maintain the shape of the first coating sheet, c) applying liquid gypsum slurry on the first coating sheet, so that the first layer of the first coating sheet is brought into direct contact with a first side of the gypsum slurry, d) applying a second coating sheet in direct contact with the opposite side of the gypsum slurry, e) cutting the gypsum slurry and the coating sheets arranged on the gypsum slurry to desired length and thereby forming boards, f) feeding the boards into a kiln for drying, wherein water in the gyp
- the method can also comprise the step of melting a surface layer of the third layer forming a waterproof fourth layer of the coating.
- FIG. 1 is a schematic section view of a construction board having a gypsum core and a coating according to one embodiment of the invention
- Fig. 2 is a schematic section view of the coating according to a general embodiment of the invention, wherein the coating comprises first, second and third layers.
- Fig. 3 is a schematic section view of the coating according to one embodiment of the invention, wherein the second layer comprises a reinforcing structure arranged inside a plastic based film,
- Fig. 4 is a schematic section view of the coating according to one embodi- ment of the invention, wherein the first layer is formed with through apertures.
- Fig. 5 is a schematic section view of the coating according to one embodiment of the invention, wherein the first layer is formed with apertures in the form of recesses,
- Fig. 6 is a schematic section view of the coating according to one embodiment of the invention, wherein the first layer is formed with a surface structure for favourable adhesion to the gypsum core,
- Fig. 7 is a schematic section view of the coating according to one embodiment of the invention, wherein the third layer is provided with openings, and
- Fig. 8 is a schematic section view of the coating according to one embodiment of the invention, wherein the third layer is provided with a waterproof fourth layer.
- a construction board 10 comprising a gypsum core 11 having a first side 12 and a second side 13 opposite the first side 12.
- the gypsum core 11 also comprises a plurality of edge sides, which extend between the first side 12 and the second side 13 and are not illustrated in the drawings.
- the gypsum core 11 is for example a conventional gypsum core for construction boards.
- the gypsum core 11 is arranged in a corresponding manner as the gypsum core of a con- ventional gypsum board for construction.
- the gypsum core 11 is provided with a coating 14.
- the coating 14 is for example arranged on the first side 12 and the second side 13 of the gypsum core 11.
- the coating 14 also extends over one or more of the edge sides of the gypsum core 11.
- the first side 12 of the gypsum core 11 is provided with a first coating 14a, wherein the second side 13 of the gypsum core 11 is provided with a second coating 14b.
- the first coating 14a is for example of a different type than the second coating 14b.
- the first coating 14a corresponds to the second coating 14b.
- the coating 14 according to one embodiment of the present invention is illustrated.
- the coating 14 comprises a first layer 15, a second layer 16 and a third layer 17. Hence, the coating is arranged as a laminate or a foil having at least three layers.
- the coating 14 is polymer based and comprises synthetic or semi-synthetic polymers or plastic materi- als.
- the coating 14 is arranged entirely of plastic materials and has no cellulose based materials, such as paper.
- the coating 14 is formed also without glass fiber and corresponding materials.
- the coating 14 is flexible, wherein the coating 14 is foldable.
- the coating 14 is arranged with a rigidity to be able to maintain a folding, such as a folding by means of a notch along the coating 14, so that a mould shape having a bottom and upwards folded sides of a sheet of the coating can be maintained.
- the coating 14 is water permeable, at least until the gypsum core 11 of the construction board 10 has dried.
- the coating 14 is arranged with a heat-resistant surface to prevent melting thereof when coming into contact with transport rolls and similar inside a kiln for drying the construction boards 10.
- the coating 14 is for example produced by conventional lamina- tion techniques, such as by gluing or that a sheet of the first layer 15 is melted together with sheets of the second and third layers 16, 17.
- the first layer 15 is arranged for direct abutment against the gypsum core 11 to connect the coating 14 therewith.
- the first layer 15 is ar- ranged with a first side 18 and a second side 19 opposite the first side 18, wherein the first side 18 forms an inner side of the coating 14 and is formed for direct contact with the gypsum core 11.
- the second side 19 of the first layer 15 is directly connected to the second layer 16.
- the first layer 15 is directly connected to the second layer 16.
- the first layer 15 is di- rectly connected to the gypsum core 11 of a construction board 10 according to the invention.
- the first layer 15 is flexible, water permeable and polymer based.
- the first layer 15 is a plastic film or a synthetic fiber of a suitable plastic material arranged for water permeability, favourable adhesion to the gypsum core 11 and favourable adhesion or connection to the second layer 16.
- a particularly suitable material for the first layer 15 is based on polypropylene or consists of polypropylene plastic. It is possible that the first layer 15, possibly with suitable additives, can be based on other types of plastic materials having properties corresponding to polypropylene.
- thermoplastics comprising polystyrene, polyvinylchloride, ABS-plastic or polyolefins, such as polyethylene, or mixtures thereof, are useful as plastic materials in the first layer 15.
- other olefin fibers than polypropylene fibers are useful for the first layer 15.
- the second layer 16 is arranged between the first layer 15 and the third layer 17.
- the second layer 16 is arranged in direct contact with the first layer 15 and the third layer 17.
- the second layer 16 is flexible, water permeable and reinforcing to provide a foldable coating 14.
- the second layer 16 is arranged to provide the coating 14 with strength and rigidity to make it possible to fold the edge sides of the coating 14 upward and thus forming a mould for liquid gypsum slurry.
- the second layer 16 is formed with a rigidity so that the coating 14 can be folded to a shape having a bottom and sides and maintain the mould shape obtained by the folding.
- the second layer 16 is formed as a plastic film or a synthetic fiber of a suitable plastic material to provide reinforcing properties and a rigidity making the folding possible.
- the second layer 16 is formed as a reinforcing net structure of suitable plastic material. It has been found that a particularly suitable material for the second layer 17 is based on polypropylene or consists of polypropylene plastic. It is possible that the second layer 16, possibly with suitable additives, can comprise other types of thermoplastics, such as polyethylene or other polyolefins, polystyrene, poly- vinylchloride, ABS-plastic or similar, or mixtures thereof.
- the third layer 17 is connected to the second layer 16.
- the third layer 17 is directly connected to the second layer 16 in a first side 20.
- a second side 21 opposite the first side 20 of the third layer 17 forms an outer surface of the coating 14.
- the third layer 17 is flexible, heat resistant, water permeable and polymer based.
- the third layer 17 is arranged to provide a heat resistant outer surface of the coating 14, so that the second side 21 of the third layer 17 can bear against transport devices arranged in a kiln for drying construction boards 10 having a gypsum core 11.
- the third layer 17 is formed in a plastic material having a melting point above 15O 0 C, or above 200 0 C and for example above 25O 0 C, so that the construction board 10 can pass through a kiln for drying the construction board 10 without melting of, or any substantial effect on, the outer surface of the second side 21 of the third layer 17.
- the third layer 17 is further arranged to provide a favourable surface for further working, such as filling, painting, tiling, wallpapering, etc.
- the third layer 17, is formed with a structure of the second side 21 of the third layer 17 and the outer surface of the coating 14 making such further working possible for finishing, decoratively or functionally, a room dividing structure, such as a wall surface or ceiling surface, for example.
- the third layer 17 is for example formed as a plastic film or synthetic polymer fiber of suitable plastic material to provide a heat resistant outer surface for passing through a kiln and an outer surface that is suitable for further processing.
- the third layer 17 is formed with a fluffy outer surface.
- the third layer 17 is based on a plastic material different from the second layer 16. It has been found that a particularly suitable material for use in the third layer 17 comprises polyester.
- the third layer 17 is formed in polyester fiber, such as PET-fiber or any other polyester fiber.
- the third layer 17 is formed in one or more thermoplastic materials, wherein the third layer 17 or a part thereof can be melted. It is possible that the third layer 17, possibly with suitable additives, can comprise olefin fiber, acrylic fiber or polyamide fiber, such as aliphatic polyamides and aramides.
- the coating 14 according to one embodiment of the invention is illustrated, wherein the second layer 16 comprises a reinforcing structure 22 inside a plastic based film or fiber cloth, wherein the reinforcing structure 22 is enclosed by a reinforcing enclosure layer 23.
- the reinforcing structure 22 is arranged as a net structure in a suitable plastic material, which plastic material for example is polypropylene or possi- bly other plastic materials as mentioned above.
- the reinforcing enclosure layer 23 is formed in a suitable plastic material.
- the second layer 16 is produced by melting together or joining a first reinforcing enclosure layer 23a and a second reinforcing enclosure layer 23b having the reinforcing structure 22 arranged between them.
- the coating 14 according to one embodiment of the invention is illustrated, wherein the first layer 15 is arranged with through apertures 24.
- the through apertures 24 are arranged to further improve the adhesion of the coating 14 to the gypsum core 11 and to further improve the water permeability of the first layer 15 while material savings can be obtained simultaneously.
- the through apertures 24 are arranged so that liquid gypsum slurry can penetrate into them, wherein the through apertures 24 receive portions of the gypsum core 11 for improved attachment to it.
- the first side 18 of the first layer 15 is provided with apertures in the form of recesses 25, as illustrated in Fig. 5, to improve the adhesion of the coating 14 to the gypsum core 11.
- the first side 18 of the first layer 15 is provided with another structure to increase the surface for adhesion to the gypsum core 11.
- examples of such structures are rough structures, fiber structures, fluffy structures, recesses, grooves and similar, which is illustrated by means of Fig. 6.
- Such an increased surface against the gypsum core 11 , as the apertures 24, recesses 25 or rough structure of the first layer 15 result in, can possibly also result in that the water evaporation surface of the gypsum core is increased, which can result in more efficient drying thereof.
- the coating 14 according to one embodiment of the invention is illustrated, wherein the third layer 17 is arranged with openings 26.
- the openings 26 are formed to further improve the possibilities of further processing of the second side 21 of the third layer 17 and to further improve the water permeability of the third layer 17 while material savings are obtained simultaneously.
- the openings 26 are through openings.
- the openings 26 are formed as recesses or indentations in the second side 21 of the third layer 17.
- the coating 14 according to one embodiment of the invention is illustrated, wherein the third layer 17 is provided with a waterproof fourth layer 27.
- the fourth layer 27 is formed by melting the outer surface or second side 21 of the third layer 17.
- the outer surface of the third layer 17 is heated to form the waterproof fourth layer 27 after drying of the gypsum core 11.
- the fourth layer 27 is formed after the construction board 10 has passed through a kiln for drying the gypsum core 11.
- the construction board 10 is for example produced by that a first coating sheet formed by the coating 14 is supplied to a side folding device for upward folding of the long sides of the coating sheet.
- the first coating sheet is supplied in a conventional manner. After that, the first coating sheet is folded along each long side wherein a mould having a bottom and sides is formed for receiving liquid gypsum slurry.
- the first coating sheet is folded in a conventional manner.
- a folding notch is applied on the first coating sheet by means of a special device to avoid melting of the coating 14.
- the mould formed by the first coating sheet is filled with liquid gypsum slurry, so that the gypsum slurry is brought into direct contact with the first layer 15 of the coating 14.
- a second coating sheet is applied directly into contact with an opposite side of the gypsum slurry.
- the second coating sheet is formed by the coating 14 described above.
- the gypsum slurry is moulded between two coating sheets, wherein one of the coating sheets is folded along its long sides and is for example glued or melted together with the second coating sheet.
- the gypsum slurry and the coating sheets arranged on the gypsum slurry is cut into desired length forming boards, after which the boards are brought into a kiln for drying the gyp- sum slurry to form the construction board 10.
- the temperature in the kiln is for example at least 15O 0 C, or above 200 0 C, for example above 25O 0 C or for example about 26O 0 C.
- a surface layer of the third layer 17 can be melted after drying the gypsum slurry to form a construction board having a waterproof surface layer.
- a waterproof fourth layer 27 can be applied on the third layer 17 by lamination.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Building Environments (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
L'invention porte sur un revêtement (14) pour une plaque de construction (10) comportant une âme en gypse (11), le revêtement (14) comprenant une première couche à base de polymère, perméable à l'eau et souple (15) pour un contact direct avec l'âme en gypse (11) afin de fixer le revêtement (14) à celle-ci, une deuxième couche de renfort perméable à l'eau et souple (16) reliée à la première couche (15) et disposée de façon à produire un revêtement pliable (14), et une troisième couche à base de polymère, perméable à l'eau et souple (17) reliée à la deuxième couche (16), la troisième couche (17) étant résistante à la chaleur afin d'éviter la fusion lors du passage à travers un four de séchage pour sécher l'âme en gypse (11).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0950207A SE533671C2 (sv) | 2009-04-01 | 2009-04-01 | Ytbeläggning för en byggskiva, byggskiva innefattande ytbeläggningen och metod för framställning av byggskivan |
SE0950207-1 | 2009-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010114461A1 true WO2010114461A1 (fr) | 2010-10-07 |
Family
ID=42828544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2010/050294 WO2010114461A1 (fr) | 2009-04-01 | 2010-03-17 | Revêtement pour plaque de construction, plaque de construction comprenant le revêtement et procédé pour produire la plaque de construction |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE533671C2 (fr) |
WO (1) | WO2010114461A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1123722A (fr) * | 1978-10-31 | 1982-05-18 | Ludwig Wesch | Panneau multicouche, et methode de fabrication connexe |
CA1189434A (fr) * | 1982-02-16 | 1985-06-25 | Robert B. Bruce | Panneau mural en gypse a revetement plastique |
WO2002083404A1 (fr) * | 2001-04-12 | 2002-10-24 | Milliken & Company | Revetement composite pour panneaux muraux |
WO2005103367A2 (fr) * | 2004-04-16 | 2005-11-03 | Owens Corning | Revetement de protection |
-
2009
- 2009-04-01 SE SE0950207A patent/SE533671C2/sv unknown
-
2010
- 2010-03-17 WO PCT/SE2010/050294 patent/WO2010114461A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1123722A (fr) * | 1978-10-31 | 1982-05-18 | Ludwig Wesch | Panneau multicouche, et methode de fabrication connexe |
CA1189434A (fr) * | 1982-02-16 | 1985-06-25 | Robert B. Bruce | Panneau mural en gypse a revetement plastique |
WO2002083404A1 (fr) * | 2001-04-12 | 2002-10-24 | Milliken & Company | Revetement composite pour panneaux muraux |
WO2005103367A2 (fr) * | 2004-04-16 | 2005-11-03 | Owens Corning | Revetement de protection |
Also Published As
Publication number | Publication date |
---|---|
SE0950207A1 (sv) | 2010-10-02 |
SE533671C2 (sv) | 2010-11-30 |
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