EP1964992A1 - Insulating panel for insulating the exterior of buildings - Google Patents
Insulating panel for insulating the exterior of buildings Download PDFInfo
- Publication number
- EP1964992A1 EP1964992A1 EP07004316A EP07004316A EP1964992A1 EP 1964992 A1 EP1964992 A1 EP 1964992A1 EP 07004316 A EP07004316 A EP 07004316A EP 07004316 A EP07004316 A EP 07004316A EP 1964992 A1 EP1964992 A1 EP 1964992A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- base body
- plastic
- insulating board
- open
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 claims abstract description 62
- 239000004793 Polystyrene Substances 0.000 claims abstract description 19
- 229920002223 polystyrene Polymers 0.000 claims abstract description 19
- 239000004794 expanded polystyrene Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims description 79
- 239000000463 material Substances 0.000 claims description 77
- 239000011248 coating agent Substances 0.000 claims description 62
- 239000002984 plastic foam Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 31
- 239000004033 plastic Substances 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 17
- 239000011148 porous material Substances 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 239000012815 thermoplastic material Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004795 extruded polystyrene foam Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000011495 polyisocyanurate Substances 0.000 claims description 4
- 229920000582 polyisocyanurate Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 238000002310 reflectometry Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004071 soot Substances 0.000 claims description 3
- 239000006261 foam material Substances 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 229920006327 polystyrene foam Polymers 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012720 thermal barrier coating Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
Definitions
- the present invention relates to an insulation board for the external thermal insulation of buildings, the use of the insulation board for the external thermal insulation of buildings and a method for producing the insulating board according to the preambles of the independent claims.
- a thermal barrier coating is first made from individual insulation panels on the outside of the building, e.g. on the facade and / or on the building roof, and then on the outside weather protection attached, e.g. in the form of a plaster layer applied to the thermal barrier coating or a ventilated protective facade made of wood or cement boards.
- a plaster layer applied to the thermal barrier coating or a ventilated protective facade made of wood or cement boards.
- insulation boards made of a plastic foam material often results in the problem that the prepared from the insulation boards thermal insulation layer over a longer period alternately intense sunlight and strong cold may be exposed before attaching the weather protection, resulting in relatively strong thermal dimensional changes of the insulation boards and can lead to a detachment of the same from the substrate with glued insulation boards.
- the insulation panels are processed in intense sunlight, there is also the problem that they can contract after gluing and it can come to open plate joints, which can form cold bridges.
- very bright board materials e.g.
- EPS expanded polystyrene
- the unprotected thermal insulation layer can also create a dazzling effect, which must be avoided.
- a first aspect of the invention relates to an insulation board for the external thermal insulation of buildings.
- the insulation board has a plate-shaped body made of a plastic foam material.
- that outer side of the insulating board, which forms the outer side of this outer thermal insulation when using the same for creating an external thermal insulation of a building substantially over its entire planar extent on a surface which alternately from the first open-pored areas, which are formed by the outer surface of the body , and of second, open and / or closed-cell areas, which are formed by a arranged on the body, a plurality of particular irregular openings having continuous coating or a plurality of individual, arranged on the body and spaced-apart punctiform coatings is formed ,
- insulation boards with a base body made of a plastic foam material which have the same good properties in terms of thermal insulation and adhesion for cementitious adhesives or plasters such as open-pore uncoated insulation panels of a corresponding plastic foam material, but have a significantly lower thermal expansion behavior in direct sunlight. It is also possible to optimize these with respect to their reflection properties.
- cut slabs can be made from one Carbon black, graphite or aluminum powder pigmented expanded polystyrene foam, which have excellent thermal insulation properties but tend to increased thermal expansion in intense, direct sunlight, on one of its two outer sides, ie on one of its two large surfaces, with a coating having a plurality of openings of white, extruded polystyrene (XPS) are provided, which can be significantly reduced their thermal length change, with virtually unchanged properties in terms of thermal insulation and adhesion to cementitious adhesives and plaster layers.
- XPS extruded polystyrene
- the second areas are arranged on the outside of the base body and fixedly connected to this continuous coating, wherein the coating has a plurality of regular or irregular openings, such that it spans the surface of the body reticulated.
- the average area per aperture is preferably less than 20 mm 2. It is also preferred if the coating per square centimeter on average has more than four openings.
- Such embodiments of the insulating panel have proven to be particularly advantageous and also have an increased flexural rigidity, which may be desirable depending on the use.
- the second areas are formed by a plurality of individual spot coatings arranged on the body and spaced apart such that the coatings form a preferably uniform spot pattern on the surface of the body, the average area per punctiform coating is preferably less than 20 mm 2. It is also preferred that On average, more than four punctiform coatings are present per square centimeter of surface area.
- Such embodiments of the insulation board have virtually the same flexural rigidity as uncoated plates of a corresponding plastic foam material, which may be advantageous depending on the application.
- the coating is a material application preferably applied by printing, preferably paint application.
- this material application by spraying e.g. of paint, with or without stencil, to apply to the open-pore outside of the body.
- the coating consists of a thermoplastic plastic material, in particular of extruded polystyrene. Such materials can be easily connected by transient liquefaction with the open-pored surface of the body.
- both the base body and the coating are made of thermoplastic materials and are fused together. This results in a solid, cohesive bond between the base body and the coating.
- the coating is formed of a plastic material which consists of the same plastic base component as the plastic foam material of the base body, in particular of a polystyrene, polyurethane or polyisocyanurate. This results in optimum material compatibility and recyclability.
- the main body of the insulating panel consists of an expanded or extruded polystyrene foam and the coating of an extruded polystyrene.
- the coating consists of a material, preferably of a plastic material, which has a better reflectivity for infrared radiation than the plastic foam material of the base body.
- the coating consists of a material, in particular of a plastic material, which is lighter than the plastic foam material of the base body.
- the base body of the insulating panel of a pigmented plastic foam material preferably from a pigmented with soot particles, graphite particles or aluminum particles plastic foam material, preferably of expanded or extruded polystyrene.
- plastic foam materials have very good thermal insulation properties.
- a second aspect of the invention relates to the use of the insulating board according to the first aspect of the invention for the external thermal insulation of buildings. In such uses, the benefits of the invention are particularly evident.
- a third aspect of the invention relates to a method for producing an insulating board according to the first aspect of the invention.
- a plate-shaped base body made of a plastic foam material is provided, in which at least that outer surface, which is disposed away from the building when the insulation board to be formed with this base body is intended to be formed, has an open-pored surface.
- this open-pored outer surface is provided substantially over its entire planar extent with a continuous coating having a plurality of regular or irregular openings or with a plurality of individual, spaced-apart punctiform coatings, such that the outer surface thus coated has a surface in which open-pore regions formed by the outer surface of the main body alternate with open-pored and / or closed-pore regions formed by the coating.
- the inventive method makes it possible for the first time to produce insulating panels of a plastic foam material, which are comparable in thermal insulation and / or reflection properties with respect to their thermal insulation properties and their adhesive strength for cementitious adhesives or plasters with insulating panels, which are formed exclusively of this plastic foam material Sunshine clearly different from these.
- the coating takes place under or by printing a material, preferably a paint, on the open-pored outer surface of the body. It is also intended to apply this material by spraying, with or without stencil.
- a material preferably a paint
- the coating takes place by contacting or by contacting a thermoplastic material in the at least partially molten state with the open-pored outer surface of the base body, resulting in the advantage that liquid material can penetrate into the open-pored surface of the body and after solidification of the same gives a good bond between the coating and the base body.
- the coating takes place with a melting or by melting a film, preferably of expanded polystyrene (XPS), on the open-pore outer surface of the body.
- XPS expanded polystyrene
- the coating takes place by melting or by melting individual plastic particles previously arranged on the open-pored outer surface of the insulating board, so that a multiplicity of individual, spaced-apart spot coatings are formed on the open-pored outer surface.
- the melting of the film or of the plastic particles takes place by pressing them with a heated surface against the open-pored outer surface of the main body. In this way, short application times can be achieved and ensure a defined dimensioning of the insulation boards thus produced, and there is a strong bond between the coating and the body surface.
- the film material, the Film thickness, the temperature of the heated surface and the Anpressdauer the film with the heated surface of the open-pored outer surface selected such that the film receives a plurality of holes during melting on the open-pored outer surface is preferred.
- the coating is carried out by or under a preferably drop-shaped spraying of molten plastic material on the open-pored outer surface of the body.
- molten plastic material on the open-pored outer surface of the body.
- the coating of the base body by or contacting a thermoplastic material in the at least partially molten state with the open-pore outer surface of the body is preferably when a base body is used from a thermoplastic foam material and the coating of a thermoplastic Material is formed, wherein the coating and the base body are fused together. As a result, these are materially interconnected.
- the coating is formed from a plastic material which is formed from the same plastic base component as the plastic foam material of the main body, preferably from a polystyrene, polyurethane or polyisocyanurate. These materials are well established in the field of building exterior thermal insulation and there is also the advantage of good material compatibility and recyclability.
- a base body of a pigmented, expanded or extruded Polystyrene foam provided and the coating formed from an extruded polystyrene.
- the coating is formed of a material, in particular of a plastic material, which has a better reflectivity for infrared radiation than the plastic foam material of the base body, so that the heating of the plastic foam material in direct sunlight and thus a thermal expansion of the inventive Insulating board opposite an insulation board, which consists exclusively of the plastic foam material of the body, is significantly reduced.
- the coating is formed of a material, in particular of a plastic material, which is lighter than the plastic foam material of the base body.
- a base body made of a pigmented plastic foam material is provided, preferably of a plastic foam material pigmented with carbon black, graphite particles or aluminum particles.
- plastic foam materials can be insulation boards provide excellent thermal insulation.
- the insulating board consists of a plate-shaped, square body (1) made of graphite pigmented expanded polystyrene foam (shown in black), in the present case from the material "Lambda” the Swiss company swisspor, on one of its two large-scale outsides the entire areal extent of this outer side is provided with a continuous, net-like coating (2) of a non-pigmented, white, extruded polystyrene (shown in white).
- the coating (2) is fused to the surface of the base body (1) and thereby firmly connected thereto.
- This insulating board was prepared by pressing while melting a continuous, paper-thin, extruded and unpigmented polystyrene film (eg available from the German company Linpack) with a hot plate having a surface temperature of 184 ° C to the open-pore outer surface of the cut body (1), wherein the polystyrene film was merged with the formation of openings with the surface of the base body (1).
- the contact time was 0.3 seconds in the present case.
- Fig. 2 shows another preferred embodiment of the inventive insulation board for the external thermal insulation of buildings, also in a perspective plan view.
- the Insulating board here from a plate-shaped, square base body (1) made of expanded polystyrene foam pigmented with aluminum powder (shown in black), on one of its two large outer sides over the entire areal extent of this outside a plurality of individual and spaced punctual coatings (3) of white polystyrene (shown in white), which form a substantially uniform Püpfelmuster.
- the coatings (3) are each fused to the surface of the base body (1) and thereby firmly connected thereto. In the areas not covered by the coatings (3), the surface of the base body (1), which is open-pored in these areas, is accessible.
- This insulating board was prepared by pressing with melting a plurality of previously isolated on the open-pored outer surface of the body (1) particles of white polystyrene with a heated surface to the open-pored outer surface of the cut body (1), wherein the polystyrene particles to form the individual coatings (3) were fused with the surface of the base body (1).
Abstract
Description
Die vorliegende Erfindung betrifft eine Dämmplatte für die Aussenwärmedämmung von Gebäuden, die Verwendung der Dämmplatte für die Aussenwärmedämmung von Gebäuden sowie ein Verfahren zur Herstellung der Dämmplatte gemäss den Oberbegriffen der unabhängigen Patentansprüche.The present invention relates to an insulation board for the external thermal insulation of buildings, the use of the insulation board for the external thermal insulation of buildings and a method for producing the insulating board according to the preambles of the independent claims.
Bei der Erstellung von Wärmedämmungen an der Aussenseite von Gebäuden wird typischerweise zuerst eine Wärmedämmschicht aus einzelnen Dämmplatten an der Aussenseite des Gebäudes erstellt, z.B. an der Fassade und/oder auf dem Gebäudedach, und sodann auf deren Aussenseite ein Wetterschutz angebracht, z.B. in Form einer auf die Wärmedämmschicht aufgebrachten Putzschicht oder einer hinterlüfteten Schutzfassade aus Holz oder Zementplatten. Insbesondere bei der Verwendung von Dämmplatten aus einem Kunststoffschaummaterial ergibt sich jedoch oftmals das Problem, dass die aus den Dämmplatten erstellte Wärmedämmschicht vor der Anbringung des Wetterschutzes über einen längeren Zeitraum abwechselnd intensiver Sonneneinstrahlung und starker Kälte ausgesetzt sein kann, was zu relativ starken thermischen Dimensionsveränderungen der Dämmplatten und bei aufgeklebten Dämmplatten zu einem Ablösen derselben vom Untergrund führen kann. Werden die Dämmplatten bei intensiver Sonneneinstrahlung verarbeitet, besteht zudem das Problem, dass sich diese nach dem Aufkleben zusammenziehen können und es zu offenen Plattenstössen kommen kann, welche Kältebrücken bilden können. Bei sehr hellen Plattenwerkstoffen, wie z.B. bei Dämmplatten aus unpigmentiertem EPS (Expandiertes Polystyrol), kann von der ungeschützten Wärmedämmschicht zudem eine Blendwirkung ausgehen, welche es zu vermeiden gilt.When building thermal insulation on the exterior of buildings, typically a thermal barrier coating is first made from individual insulation panels on the outside of the building, e.g. on the facade and / or on the building roof, and then on the outside weather protection attached, e.g. in the form of a plaster layer applied to the thermal barrier coating or a ventilated protective facade made of wood or cement boards. In particular, when using insulation boards made of a plastic foam material, however, often results in the problem that the prepared from the insulation boards thermal insulation layer over a longer period alternately intense sunlight and strong cold may be exposed before attaching the weather protection, resulting in relatively strong thermal dimensional changes of the insulation boards and can lead to a detachment of the same from the substrate with glued insulation boards. If the insulation panels are processed in intense sunlight, there is also the problem that they can contract after gluing and it can come to open plate joints, which can form cold bridges. For very bright board materials, e.g. In the case of insulation boards made of unpigmented EPS (expanded polystyrene), the unprotected thermal insulation layer can also create a dazzling effect, which must be avoided.
Es stellt sich daher die Aufgabe, eine Dämmplatte und ein Verfahren zu deren Herstellung zur Verfügung zu stellen, welche die zuvor erwähnten Nachteile des Standes der Technik zumindest teilweise vermeiden, bei gleichzeitiger Beibehaltung der für solche Dämmplatten wesentlichen Eigenschaften Dämmleistung und Haftfestigkeit für Putzschichten.It is therefore the task of an insulating board and a method for their preparation available to provide, which at least partially avoid the aforementioned disadvantages of the prior art, while maintaining the essential properties of such insulation boards insulation performance and adhesion for plaster layers.
Diese Aufgabe wird durch die Dämmplatte und das Verfahren gemäss den unabhängigen Patentansprüchen gelöst.This object is achieved by the insulating board and the method according to the independent claims.
Demgemäss betrifft ein erster Aspekt der Erfindung eine Dämmplatte für die Aussenwärmedämmung von Gebäuden. Die Dämmplatte weist einen plattenförmigen Grundkörper aus einem Kunststoffschaummaterial auf. Dabei weist diejenige Aussenseite der Dämmplatte, welche bei bestimmungsgemässer Verwendung derselben zur Erstellung einer Aussenwärmedämmung eines Gebäudes die Aussenseite dieser Aussenwärmedämmung bildet, im wesentlichen über ihre gesamte flächige Erstreckung eine Oberfläche auf, die abwechselnd von ersten offenporigen Bereichen, welche durch die Aussenfläche des Grundkörpers gebildet sind, und von zweiten, offen- und/oder geschlossenporigen Bereichen, welche von einer auf dem Grundkörper angeordneten, eine Vielzahl von insbesondere unregelmässigen Durchbrechungen aufweisenden zusammenhängenden Beschichtung oder von einer Vielzahl einzelner, auf dem Grundkörper angeordneter und voneinander beabstandeter punktueller Beschichtungen gebildet sind, gebildet wird.Accordingly, a first aspect of the invention relates to an insulation board for the external thermal insulation of buildings. The insulation board has a plate-shaped body made of a plastic foam material. In this case, that outer side of the insulating board, which forms the outer side of this outer thermal insulation when using the same for creating an external thermal insulation of a building, substantially over its entire planar extent on a surface which alternately from the first open-pored areas, which are formed by the outer surface of the body , and of second, open and / or closed-cell areas, which are formed by a arranged on the body, a plurality of particular irregular openings having continuous coating or a plurality of individual, arranged on the body and spaced-apart punctiform coatings is formed ,
Durch die Erfindung wird die Bereitstellung vom Dämmplatten mit einem Grundkörper aus einem Kunststoffschaummaterial möglich, welche gleich gute Eigenschaften bezüglich Wärmedämmung und Haftfestigkeit für zementgebundene Kleber oder Verputze aufweisen wie offenporige unbeschichtete Dämmplatten aus einem entsprechenden Kunststoffschaummaterial, jedoch ein deutlich geringeres thermisches Ausdehnungsverhalten bei direkter Sonnenbestrahlung aufweisen. Auch ist es möglich, diese bezüglich ihrer Reflektionseigenschaften zu optimieren. So können beispielsweise geschnittene Platten aus einem mit Russ, Graphit oder Aluminiumpulver pigmentierten expandierten Polystyrolschaum, welche hervorragende Wärmedämmeigenschaften aufweisen aber bei intensiver, direkter Sonnenbestrahlung zu erhöhter thermischer Ausdehnung neigen, auf einer ihrer beiden Aussenseiten, also auf einer ihrer beiden grossen Flächen, mit einer eine Vielzahl von Durchbrechungen aufweisenden Beschichtung aus weissem, extrudierten Polystyrol (XPS) versehen werden, wodurch sich ihre thermische Längenveränderung deutlich verringern lässt, bei praktisch unveränderten Eigenschaften bezüglich Wärmedämmung und Haftfestigkeit für zementgebundene Kleber und Putzschichten.By the invention, the provision of insulation boards with a base body made of a plastic foam material is possible, which have the same good properties in terms of thermal insulation and adhesion for cementitious adhesives or plasters such as open-pore uncoated insulation panels of a corresponding plastic foam material, but have a significantly lower thermal expansion behavior in direct sunlight. It is also possible to optimize these with respect to their reflection properties. For example, cut slabs can be made from one Carbon black, graphite or aluminum powder pigmented expanded polystyrene foam, which have excellent thermal insulation properties but tend to increased thermal expansion in intense, direct sunlight, on one of its two outer sides, ie on one of its two large surfaces, with a coating having a plurality of openings of white, extruded polystyrene (XPS) are provided, which can be significantly reduced their thermal length change, with virtually unchanged properties in terms of thermal insulation and adhesion to cementitious adhesives and plaster layers.
In einer bevorzugten Ausführungsform der Dämmplatte sind die zweiten Bereiche von einer auf der Aussenseite des Grundkörpers angeordneten und fest mit diesem verbundenen zusammenhängenden Beschichtung gebildet, wobei die Beschichtung eine Vielzahl von regelmässigen oder unregelmässigen Durchbrechungen aufweist, derart, dass sie die Oberfläche des Grundkörpers netzartig überspannt. Dabei ist die durchschnittliche Fläche pro Durchbrechung bevorzugterweise kleiner als 20 mm2. Auch ist es dabei bevorzugt, wenn die Beschichtung pro Quadratzentimeter durchschnittlich mehr als vier Durchbrechungen aufweist.In a preferred embodiment of the insulation board, the second areas are arranged on the outside of the base body and fixedly connected to this continuous coating, wherein the coating has a plurality of regular or irregular openings, such that it spans the surface of the body reticulated. The average area per aperture is preferably less than 20
Solche Ausführungsformen der Dämmplatte haben sich als besonders vorteilhaft erwiesen und weisen zudem eine erhöhte Biegesteifigkeit auf, was je nach Verwendung erwünscht sein kann.Such embodiments of the insulating panel have proven to be particularly advantageous and also have an increased flexural rigidity, which may be desirable depending on the use.
In einer anderen bevorzugten Ausführungsform der Dämmplatte sind die zweiten Bereiche von einer Vielzahl einzelner, auf dem Grundkörper angeordneter und voneinander beabstandeter punktueller Beschichtungen gebildet, derart, dass die Beschichtungen ein bevorzugterweise im wesentlichen gleichmässiges Tüpfelmuster auf der Oberfläche des Grundkörpers bilden, wobei die durchschnittliche Fläche pro punktueller Beschichtung bevorzugterweise kleiner als 20 mm2 ist. Auch ist es dabei bevorzugt, dass pro Quadratzentimeter Oberfläche durchschnittlich mehr als vier punktuelle Beschichtungen vorhanden sind.In another preferred embodiment of the insulating panel, the second areas are formed by a plurality of individual spot coatings arranged on the body and spaced apart such that the coatings form a preferably uniform spot pattern on the surface of the body, the average area per punctiform coating is preferably less than 20
Solche Ausführungsformen der Dämmplatte haben praktisch dieselbe Biegesteifigkeit wie unbeschichtete Platten aus einem entsprechenden Kunststoffschaummaterial, was je nach Anwendung vorteilhaft sein kann.Such embodiments of the insulation board have virtually the same flexural rigidity as uncoated plates of a corresponding plastic foam material, which may be advantageous depending on the application.
In einer weiteren bevorzugten Ausführungsform der Dämmplatte ist die Beschichtung ein bevorzugterweise durch Bedruckung aufgebrachter Materialauftrag, bevorzugterweise Farbauftrag. Es ist zudem auch vorgesehen, diesen Materialauftrag durch Aufspritzen z.B. von Farbe, mit oder ohne Schablone, auf die offenporige Aussenseite des Grundkörpers aufzubringen. Solche erfindungsgemässe Dämmplatten lassen sich mit relativ geringem anlagentechnischen Aufwand herstellen und können deshalb kostengünstig bereitgestellt werden.In a further preferred embodiment of the insulating board, the coating is a material application preferably applied by printing, preferably paint application. In addition, it is also intended to apply this material application by spraying e.g. of paint, with or without stencil, to apply to the open-pore outside of the body. Such insulation boards according to the invention can be produced with relatively low equipment complexity and can therefore be provided inexpensively.
In noch einer weiteren bevorzugten Ausführungsform der Dämmplatte besteht die Beschichtung aus einem thermoplastischen Kunststoffmaterial, insbesondere aus extrudiertem Polystyrol. Solche Materialien lassen sich auf einfache Weise durch vorübergehende Verflüssigung fest mit der offenporigen Oberfläche des Grundkörpers verbinden.In yet another preferred embodiment of the insulation board, the coating consists of a thermoplastic plastic material, in particular of extruded polystyrene. Such materials can be easily connected by transient liquefaction with the open-pored surface of the body.
In noch einer weiteren bevorzugten Ausführungsform der Dämmplatte bestehen sowohl der Grundkörper und als auch die Beschichtung aus thermoplastischen Materialien und sind miteinander verschmolzen. Hierdurch ergibt sich ein fester, stoffschlüssiger Verbund zwischen Grundkörper und Beschichtung.In yet another preferred embodiment of the insulation board, both the base body and the coating are made of thermoplastic materials and are fused together. This results in a solid, cohesive bond between the base body and the coating.
Dabei ist es bevorzugt, wenn die Beschichtung aus einem Kunststoffmaterial gebildet ist, welches aus der gleichen Kunststoff-Basiskomponente besteht wie das Kunststoffschaummaterial des Grundkörpers, insbesondere aus einem Polystyrol, Polyurethan oder Polyisocyanurat. Hierdurch ergibt sich eine optimale Werkstoffkompatibilität und Recyclierbarkeit.It is preferred if the coating is formed of a plastic material which consists of the same plastic base component as the plastic foam material of the base body, in particular of a polystyrene, polyurethane or polyisocyanurate. This results in optimum material compatibility and recyclability.
Bevorzugt ist es bei dieser Ausführungsform weiter, wenn der Grundkörper der Dämmplatte aus einem expandierten oder extrudierten Polystyrolschaum besteht und die Beschichtung aus einem extrudierten Polystyrol. Diese Materialien haben sich im Bereich der Wärmedämmung von Gebäuden bestens bewährt.In this embodiment, it is preferable if the main body of the insulating panel consists of an expanded or extruded polystyrene foam and the coating of an extruded polystyrene. These materials have proven themselves in the field of thermal insulation of buildings very well.
In noch einer weiteren bevorzugten Ausführungsform der Dämmplatte besteht die Beschichtung aus einem Material, bevorzugterweise aus einem Kunststoffmaterial, welches eine bessere Reflektionsfähigkeit für Infrarotstrahlung aufweist als das Kunststoffschaummaterial des Grundkörpers.In yet another preferred embodiment of the insulation board, the coating consists of a material, preferably of a plastic material, which has a better reflectivity for infrared radiation than the plastic foam material of the base body.
In noch einer weiteren bevorzugten Ausführungsform der Dämmplatte besteht die Beschichtung aus einem Material, insbesondere aus einem Kunststoffmaterial, welches heller ist als das Kunststoffschaummaterial des Grundkörpers.In yet another preferred embodiment of the insulating panel, the coating consists of a material, in particular of a plastic material, which is lighter than the plastic foam material of the base body.
Diese Ausgestaltungen weisen den Vorteil auf, dass die Grundkörper der Dämmplatten bei direkter Sonnenbestrahlung nur eine relativ geringe Erwärmung erfahren, was sich vorteilhaft auf das Wärmedehnungsverhalten auswirkt.These embodiments have the advantage that the basic body of the insulation boards experience only a relatively small amount of heating under direct sunlight, which has an advantageous effect on the thermal expansion behavior.
In noch einer weiteren bevorzugten Ausführungsform besteht der Grundkörper der Dämmplatte aus einem pigmentierten Kunststoffschaummaterial, bevorzugterweise aus einem mit Russpartikeln, Graphitpartikeln oder Aluminiumpartikeln pigmentierten Kunststoffschaummaterial, bevorzugterweise aus expandiertem oder extrudiertem Polystyrol. Solche Kunststoffschaummaterialien weisen sehr gute Wärmedämmeigenschaften auf.In yet another preferred embodiment, the base body of the insulating panel of a pigmented plastic foam material, preferably from a pigmented with soot particles, graphite particles or aluminum particles plastic foam material, preferably of expanded or extruded polystyrene. Such plastic foam materials have very good thermal insulation properties.
Ein zweiter Aspekt der Erfindung betrifft die Verwendung der Dämmplatte gemäss dem ersten Aspekt der Erfindung für die Aussenwärmedämmung von Gebäuden. Bei solchen Verwendungen treten die Vorteile der Erfindung besonders deutlich zu Tage.A second aspect of the invention relates to the use of the insulating board according to the first aspect of the invention for the external thermal insulation of buildings. In such uses, the benefits of the invention are particularly evident.
Ein dritter Aspekt der Erfindung betrifft ein Verfahren zur Herstellung einer Dämmplatte gemäss dem ersten Aspekt der Erfindung. Dabei wird in einem ersten Verfahrensschritt ein plattenförmiger Grundkörper aus einem Kunststoffschaummaterial bereitgestellt, bei dem zumindest diejenige Aussenfläche, welche bei bestimmungsgemässer Verwendung der mit diesem Grundkörper zu bildenden Dämmplatte als Gebäudewärmedämmung vom Gebäude abgewandt angeordnet wird, eine offenporige Oberfläche aufweist. Sodann wird in einem zweiten Verfahrensschritt diese offenporige Aussenfläche im wesentlichen über ihre gesamte flächige Erstreckung mit einer eine Vielzahl von regelmässigen oder unregelmässigen Durchbrechungen aufweisenden zusammenhängenden Beschichtung oder mit einer Vielzahl einzelner, voneinander beabstandeter punktueller Beschichtungen versehen, derart, dass die so beschichtete Aussenfläche eine Oberfläche aufweist, bei welcher sich von der Aussenfläche des Grundkörpers gebildete offenporige Bereiche und von der Beschichtung gebildete, offen- und/oder geschlossenporige Bereiche abwechseln.A third aspect of the invention relates to a method for producing an insulating board according to the first aspect of the invention. In this case, in a first method step, a plate-shaped base body made of a plastic foam material is provided, in which at least that outer surface, which is disposed away from the building when the insulation board to be formed with this base body is intended to be formed, has an open-pored surface. Then, in a second process step, this open-pored outer surface is provided substantially over its entire planar extent with a continuous coating having a plurality of regular or irregular openings or with a plurality of individual, spaced-apart punctiform coatings, such that the outer surface thus coated has a surface in which open-pore regions formed by the outer surface of the main body alternate with open-pored and / or closed-pore regions formed by the coating.
Durch das erfindungsgemässe Verfahren wird es erstmals möglich, Dämmplatten aus einem Kunststoffschaummaterial herzustellen, welche hinsichtlich ihrer Wärmedämmeigenschaften und ihrer Haftfestigkeit für zementgebundene Kleber oder Putze vergleichbar sind mit Dämmplatten, die ausschliesslich aus diesem Kunststoffschaummaterial gebildet sind, sich jedoch hinsichtlich ihrer Wärmedehnungs und/oder Reflektionseigenschaften bei Sonnenbestrahlung deutlich von diesen unterscheiden.The inventive method makes it possible for the first time to produce insulating panels of a plastic foam material, which are comparable in thermal insulation and / or reflection properties with respect to their thermal insulation properties and their adhesive strength for cementitious adhesives or plasters with insulating panels, which are formed exclusively of this plastic foam material Sunshine clearly different from these.
In einer bevorzugten Ausführungsform des Verfahrens erfolgt das Beschichten unter oder durch Aufdrucken eines Materials, bevorzugterweise eines Farbauftrags, auf die offenporige Aussenfläche des Grundkörpers. Es ist zudem auch vorgesehen, dieses Material durch Aufspritzen, mit oder ohne Schablone, aufzubringen. Hierdurch lassen sich erfindungsgemässe Dämmplatten mit relativ geringem anlagentechnischen Aufwand herstellen und können deshalb kostengünstig bereitgestellt werden.In a preferred embodiment of the method, the coating takes place under or by printing a material, preferably a paint, on the open-pored outer surface of the body. It is also intended to apply this material by spraying, with or without stencil. As a result, insulation boards according to the invention can be produced with relatively low equipment complexity and can therefore be provided at low cost.
In einer weiteren bevorzugten Ausführungsform des Verfahrens erfolgt das Beschichten unter einem Inkontaktbringen oder durch Inkontaktbringen eines thermoplastischen Kunststoffmaterials im zumindest teilweise geschmolzenen Zustand mit der offenporigen Aussenfläche des Grundkörpers, wodurch sich der Vorteil ergibt, dass flüssiges Material in die offenporige Oberfläche des Grundkörpers eindringen kann und sich nach dem Verfestigen desselben ein guter Verbund zwischen der Beschichtung und dem Grundkörper ergibt.In a further preferred embodiment of the method, the coating takes place by contacting or by contacting a thermoplastic material in the at least partially molten state with the open-pored outer surface of the base body, resulting in the advantage that liquid material can penetrate into the open-pored surface of the body and after solidification of the same gives a good bond between the coating and the base body.
Dabei ist es von Vorteil, wenn das Beschichten unter einem Aufschmelzen bzw. durch Aufschmelzen einer Folie, bevorzugterweise aus expandiertem Polystyrol (XPS), auf die offenporige Aussenfläche des Grundkörpers erfolgt.It is advantageous if the coating takes place with a melting or by melting a film, preferably of expanded polystyrene (XPS), on the open-pore outer surface of the body.
Alternativ ist es bevorzugt, wenn das Beschichten unter einem Aufschmelzen oder durch Aufschmelzen einzelner zuvor auf der offenporigen Aussenfläche der Dämmplatte angeordneter Kunststoffpartikel erfolgt, so dass eine Vielzahl einzelner, voneinander beabstandeter punktueller Beschichtungen auf der offenporigen Aussenfläche entsteht.Alternatively, it is preferred if the coating takes place by melting or by melting individual plastic particles previously arranged on the open-pored outer surface of the insulating board, so that a multiplicity of individual, spaced-apart spot coatings are formed on the open-pored outer surface.
Mit den beiden zuvor erwähnten erfindungsgemässen Verfahren lassen sich entsprechende erfindungsgemässe Dämmplatten kostengünstig und auf einfache Weise herstellen.With the two aforementioned methods according to the invention, corresponding insulation boards according to the invention can be produced inexpensively and in a simple manner.
Dabei ist es des Weiteren bevorzugt, wenn das Aufschmelzen der Folie bzw. der Kunststoffpartikel durch Anpressen derselben mit einer beheizten Fläche an die offenporige Aussenfläche des Grundkörpers erfolgt. Hierdurch lassen sich kurze Applikationszeiten erzielen und eine definierte Dimensionierung der so hergestellten Dämmplatten sicherstellen, und es entsteht ein starker Verbund zwischen Beschichtung und Grundkörperoberfläche.In this case, it is further preferred if the melting of the film or of the plastic particles takes place by pressing them with a heated surface against the open-pored outer surface of the main body. In this way, short application times can be achieved and ensure a defined dimensioning of the insulation boards thus produced, and there is a strong bond between the coating and the body surface.
Wird in diesem Verfahren eine durchgehende Folie als Ausgangsmaterial für die Beschichtung verwendet, was bevorzugt ist, so werden das Folienmaterial, die Folienstärke, die Temperatur der beheizten Fläche und die Anpressdauer der Folie mit der beheizten Fläche an die offenporige Aussenfläche derartig gewählt, dass die Folie beim Aufschmelzen auf die offenporige Aussenfläche eine Vielzahl von Löchern erhält.If a continuous film is used as the starting material for the coating in this process, which is preferred, then the film material, the Film thickness, the temperature of the heated surface and the Anpressdauer the film with the heated surface of the open-pored outer surface selected such that the film receives a plurality of holes during melting on the open-pored outer surface.
In noch einer weiteren bevorzugten Ausführungsform des Verfahrens erfolgt das Beschichten durch oder unter einem bevorzugterweise tropfenförmigen Aufspritzen von geschmolzenem Kunststoffmaterial auf die offenporige Aussenfläche des Grundkörpers. Je nach verwendeten Materialien und angewandter Prozessführung lassen sich hierdurch erfindungsgemässe Dämmplatten mit einem besonders geringen anlagentechnischen Aufwand herstellen.In yet another preferred embodiment of the method, the coating is carried out by or under a preferably drop-shaped spraying of molten plastic material on the open-pored outer surface of the body. Depending on the materials used and the process control used, it is thereby possible to produce insulation boards according to the invention with a particularly low level of equipment complexity.
Dabei ist es bei erfindungsgemässen Verfahren, bei denen das Beschichten des Grundkörpers durch oder unter Inkontaktbringen eines thermoplastischen Kunststoffmaterials im zumindest teilweise geschmolzenen Zustand mit der offenporigen Aussenfläche des Grundkörpers erfolgt, bevorzugt, wenn ein Grundkörper aus einem thermoplastischen Kunststoffschaummaterial verwendet wird und die Beschichtung aus einem thermoplastischen Material gebildet wird, wobei die Beschichtung und der Grundkörper miteinander verschmolzen werden. Hierdurch werden diese stoffschlüssig miteinander verbunden.It is in inventive method in which the coating of the base body by or contacting a thermoplastic material in the at least partially molten state with the open-pore outer surface of the body is preferably when a base body is used from a thermoplastic foam material and the coating of a thermoplastic Material is formed, wherein the coating and the base body are fused together. As a result, these are materially interconnected.
Weiter ist es bei solchen Verfahren von Vorteil, wenn die Beschichtung aus einem Kunststoffmaterial gebildet wird, welches aus der gleichen Kunststoff-Basiskomponente gebildet ist wie das Kunststoffschaummaterial des Grundkörpers, und zwar bevorzugterweise aus einem Polystyrol, Polyurethan oder Polyisocyanurat. Diese Materialien sind etabliert im Bereich der Gebäudeaussenwärmedämmung und es ergibt sich zudem der Vorteil einer guten Werkstoffkompatibilität und Recyclierbarkeit.Furthermore, it is advantageous in such methods if the coating is formed from a plastic material which is formed from the same plastic base component as the plastic foam material of the main body, preferably from a polystyrene, polyurethane or polyisocyanurate. These materials are well established in the field of building exterior thermal insulation and there is also the advantage of good material compatibility and recyclability.
Bei einer besonders bevorzugten Ausführungsform des zuvor genannten Verfahrens wird ein Grundkörper aus einem pigmentierten, expandierten oder extrudierten Polystyrolschaum bereitgestellt und die Beschichtung aus einem extrudierten Polystyrol gebildet. Mit einem solchen Verfahren lassen sich kostengünstige erfindungsgemässe Dämmplatten mit guten Wärmedämmeigenschaften und hervorragender Haftfestigkeit für zementgebundene Kleber und Aussenverputze herstellen.In a particularly preferred embodiment of the aforementioned method, a base body of a pigmented, expanded or extruded Polystyrene foam provided and the coating formed from an extruded polystyrene. With such a method can be produced in accordance with the invention inexpensive insulation boards with good thermal insulation properties and excellent adhesion for cement-bound adhesive and exterior plasters.
In noch einer weiteren bevorzugten Ausführungsform des Verfahrens wird die Beschichtung aus einem Material, insbesondere aus einem Kunststoffmaterial, gebildet, welches eine bessere Reflektionsfähigkeit für Infrarotstrahlung aufweist als das Kunststoffschaummaterial des Grundkörpers, so dass die Erwärmung des Kunststoffschaummaterials bei direkter Sonnenbestrahlung und damit eine Wärmedehnung der erfindungsgemässen Dämmplatte gegenüber einer Dämmplatte, welche ausschliesslich aus dem Kunststoffschaummaterial des Grundkörpers besteht, deutlich reduziert wird.In yet another preferred embodiment of the method, the coating is formed of a material, in particular of a plastic material, which has a better reflectivity for infrared radiation than the plastic foam material of the base body, so that the heating of the plastic foam material in direct sunlight and thus a thermal expansion of the inventive Insulating board opposite an insulation board, which consists exclusively of the plastic foam material of the body, is significantly reduced.
In noch einer weiteren bevorzugten Ausführungsform des Verfahren wird die Beschichtung aus einem Material, insbesondere aus einem Kunststoffmaterial, gebildet, welches heller ist als das Kunststoffschaummaterial des Grundkörpers. Hierdurch lässt sich insbesondere bei Dämmplatten mit Grundkörpern aus farbig oder dunkel pigmentierten Kunststoffschaummaterialien die Erwärmung des Materials durch direkte Sonnenbestrahlung und damit die Wärmedehnung deutlich verringern.In yet another preferred embodiment of the method, the coating is formed of a material, in particular of a plastic material, which is lighter than the plastic foam material of the base body. As a result, the heating of the material by direct sunlight and thus the thermal expansion can be significantly reduced especially in insulation boards with basic bodies of colored or dark pigmented plastic foam materials.
In noch einer weiteren bevorzugten Ausführungsform des Verfahren wird ein Grundkörper aus einem pigmentierten Kunststoffschaummaterial bereitgestellt, und zwar bevorzugterweise aus einem mit Russ-, Graphit- oder Aluminiumpartikeln pigmentierten Kunststoffschaummaterial. Mit solchen Kunststoffschaummaterialien lassen sich Dämmplatten mit hervorragenden Wärmedämmwerten bereitstellen.In yet another preferred embodiment of the method, a base body made of a pigmented plastic foam material is provided, preferably of a plastic foam material pigmented with carbon black, graphite particles or aluminum particles. With such plastic foam materials can be insulation boards provide excellent thermal insulation.
Weitere bevorzugte Ausführungen der Erfindung ergeben sich aus den abhängigen Ansprüchen und aus der nun folgenden Beschreibung anhand der Figuren. Dabei zeigen:
-
Fig. 1 eine perspektivische Draufsicht auf eine erste erfindungsgemässe Dämmplatte; und -
Fig. 2 eine perspektivische Draufsicht auf eine zweite erfindungsgemässe Dämmplatte.
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Fig. 1 a perspective top view of a first inventive insulation board; and -
Fig. 2 a perspective top view of a second inventive insulation board.
Eine bevorzugte Ausführungsform der erfindungsgemässen Dämmplatte für die Aussenwärmedämmung von Gebäuden ist in einer perspektivischen Draufsicht in
Claims (28)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE502007003840T DE502007003840D1 (en) | 2007-03-02 | 2007-03-02 | Insulation board for external thermal insulation of buildings |
| EP07004316A EP1964992B1 (en) | 2007-03-02 | 2007-03-02 | Insulating panel for insulating the exterior of buildings |
| AT07004316T ATE468449T1 (en) | 2007-03-02 | 2007-03-02 | INSULATION BOARD FOR EXTERNAL THERMAL INSULATION OF BUILDINGS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07004316A EP1964992B1 (en) | 2007-03-02 | 2007-03-02 | Insulating panel for insulating the exterior of buildings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1964992A1 true EP1964992A1 (en) | 2008-09-03 |
| EP1964992B1 EP1964992B1 (en) | 2010-05-19 |
Family
ID=37865764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07004316A Not-in-force EP1964992B1 (en) | 2007-03-02 | 2007-03-02 | Insulating panel for insulating the exterior of buildings |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1964992B1 (en) |
| AT (1) | ATE468449T1 (en) |
| DE (1) | DE502007003840D1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPG20100014A1 (en) * | 2010-02-25 | 2010-05-27 | Sulpol Srl | INSULATING SLAB IN EXPANDED POLYSTYRENE WITH INSERT |
| EP2386694B1 (en) | 2010-05-12 | 2016-09-21 | puren GmbH | External heat insulation system for buildings |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH517223A (en) * | 1970-11-03 | 1971-12-31 | Hebgen Heinrich | Insulation panel made of closed-cell rigid plastic foam |
| DE8226114U1 (en) * | 1982-09-16 | 1983-02-10 | Deitermann, Wolfgang, 4354 Datteln | INSULATION PLATE FOR PRODUCING A HEAT INSULATION LAYER |
| EP1304203A1 (en) * | 2001-10-22 | 2003-04-23 | Fagerdala Benelux SA | Extruded open celled plastic foam having retarded compression recovery |
-
2007
- 2007-03-02 DE DE502007003840T patent/DE502007003840D1/en active Active
- 2007-03-02 EP EP07004316A patent/EP1964992B1/en not_active Not-in-force
- 2007-03-02 AT AT07004316T patent/ATE468449T1/en active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH517223A (en) * | 1970-11-03 | 1971-12-31 | Hebgen Heinrich | Insulation panel made of closed-cell rigid plastic foam |
| DE8226114U1 (en) * | 1982-09-16 | 1983-02-10 | Deitermann, Wolfgang, 4354 Datteln | INSULATION PLATE FOR PRODUCING A HEAT INSULATION LAYER |
| EP1304203A1 (en) * | 2001-10-22 | 2003-04-23 | Fagerdala Benelux SA | Extruded open celled plastic foam having retarded compression recovery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPG20100014A1 (en) * | 2010-02-25 | 2010-05-27 | Sulpol Srl | INSULATING SLAB IN EXPANDED POLYSTYRENE WITH INSERT |
| EP2386694B1 (en) | 2010-05-12 | 2016-09-21 | puren GmbH | External heat insulation system for buildings |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1964992B1 (en) | 2010-05-19 |
| DE502007003840D1 (en) | 2010-07-01 |
| ATE468449T1 (en) | 2010-06-15 |
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