DE19607423A1 - Laminated wallpaper and flooring material preventing emission of radon into buildings - Google Patents

Laminated wallpaper and flooring material preventing emission of radon into buildings

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Publication number
DE19607423A1
DE19607423A1 DE19607423A DE19607423A DE19607423A1 DE 19607423 A1 DE19607423 A1 DE 19607423A1 DE 19607423 A DE19607423 A DE 19607423A DE 19607423 A DE19607423 A DE 19607423A DE 19607423 A1 DE19607423 A1 DE 19607423A1
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Germany
Prior art keywords
layer
activated carbon
radon
wallpaper according
paper
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Withdrawn
Application number
DE19607423A
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German (de)
Inventor
Ernest De Dr Ruiter
Jonas Toernblom
Jost Dr Kames
Hasso Von Bluecher
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Individual
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Individual
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Priority to DE19607423A priority Critical patent/DE19607423A1/en
Publication of DE19607423A1 publication Critical patent/DE19607423A1/en
Withdrawn legal-status Critical Current

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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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0005—Floor covering on textile basis comprising a fibrous substrate being coated with at least one layer of a polymer on the top surface
    • D06N7/0039—Floor covering on textile basis comprising a fibrous substrate being coated with at least one layer of a polymer on the top surface characterised by the physical or chemical aspects of the layers
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00—Shielding characterised by the composition of the materials
    • G21F1/12—Laminated shielding materials
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/18—Fabrics, textiles
    • 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
    • B32B2607/00—Walls, panels
    • B32B2607/02—Wall papers, wall coverings

Abstract

Wallpaper for the ending of radon emissions from parts of buildings has several layers laminated together. An outer layer slows down diffusion, an adsorption layer creates an active carbon surface and there is a covering. Also claimed is a flooring material that acts as a barrier to radon in which an adsorption layer of active carbon is sealed between 2 sheets of material. The layer surface density is 50-200 g/m<2> with micropores of 3-6 ?A and an internal surface area of 800 m<2>/g.

Description

In der DE 44 32 834.6 A1 werden Wege beschrieben, um die Emission von Radon in Gebäuden zu stoppen. Grundsätzlich handelt es sich dabei um Mate­ rialien, die immer eine Adsorptionsschicht auf Basis Aktivkohle enthalten und die Emissionsquelle vollständig abdecken. Wichtige Anwendungsformen sind Tapeten und Bodenbeläge. In allen Fällen ist die Adsorptionsschicht durch zwei Deckschichten geschützt; dabei kann die Außenschicht - die sichtbare Schicht - auf ihrer Rückseite die Adsorbenzien tragen, während die innere Ab­ deckung das Adsorbens beispielsweise gegen den Kleber (Tapete) schützt. Das Adsorbens (Aktivkohle) wird entweder als Kohleimprägnierung - vermahle­ ne Aktivkohle in Abmischung mit einer Binderdispersion - oder als Korn- bzw. Kugelkohle auf eine Haftmasse aufgebracht. Letztere ist die bevorzugte Aus­ führung, weil die freie Zugänglichkeit (keine, die Kohle umhüllende Polymer­ haut) zu einer besseren Kinetik führt. Der Mechanismus ist folgender: Radon wird in den Mikroporen genügend lange adsorbiert, um zu einem großen Teil in feste Tochternukleide zu zerfallen. Geschähe dies im menschlichen Körper, würde dies zu ortsfesten Strahlenquellen in unmittelbarer Nähe von Zellen füh­ ren, deren Schädigung zu Krebs führen kann.DE 44 32 834.6 A1 describes ways to reduce the emission of Stop radon in buildings. Basically, it is mate materials that always contain an adsorption layer based on activated carbon and completely cover the emission source. Important forms of application are Wallpaper and flooring. In all cases the adsorption layer is through two cover layers protected; the outer layer - the visible one Layer - on its back carry the adsorbents, while the inner ab cover protects the adsorbent, for example, against the adhesive (wallpaper). The adsorbent (activated carbon) is either ground as a carbon impregnation ne activated carbon mixed with a binder dispersion - or as grain or Ball charcoal applied to an adhesive. The latter is the preferred off leadership because of the free accessibility (no polymer enveloping the carbon skin) leads to better kinetics. The mechanism is as follows: radon is adsorbed long enough in the micropores to to disintegrate solid daughter nucleides. Would this happen in the human body, this would lead to fixed radiation sources in the immediate vicinity of cells those whose damage can lead to cancer.

Um die Verweilzeit in der Adsorptionsschicht zu erhöhen, wurden "Sperr­ schichten" vorgeschlagen. Sie verhindern zwar den Austritt von Radon nicht, verzögern aber den Durchtritt durch das Schutzmaterial und erhöhen die Chancen einer Adsorption. Derartige Verzögerungsschichten sollten eine ge­ wisse Wasserdampfdurchlässigkeit haben, damit der abgedeckte Gegenstand (Mauer, Boden) "atmen" kann. Einfachste Form einer solchen Schicht ist au­ ßenseitig ein Anstrich mit einer Dispersionsfarbe, es wurden auch flächen­ deckende, wasserdampfdurchlässige Haftstriche für die körnigen Adsorber als Verzögerungsschicht vorgeschlagen. In order to increase the residence time in the adsorption layer, "barriers layers. "They don't prevent radon from leaking, but delay the passage through the protective material and increase the Chances of adsorption. Such delay layers should have a ge know water vapor permeability, so the covered object (Wall, floor) can "breathe". The simplest form of such a layer is au Painting on the outside with a dispersion paint, there were also areas opaque, water vapor permeable adhesive coats for the granular adsorbers as Delay layer proposed.  

Nun ist trotz seines hohen Molekulargewichts das Edelgas Radon verhältnis­ mäßig flüchtig, und es kann wünschenswert erscheinen, die "Löcher" zwischen den Aktivkohlekörnern bzw. -kügelchen zu vermeiden; sie können immerhin bis zu 0,5 mm betragen, was einem kleinen Durchtritt von Radon trotz Brownscher Bewegungen für möglich erscheinen läßt.Now, despite its high molecular weight, the noble gas ratio is radon moderately volatile, and it may seem desirable to put the "holes" between to avoid the activated carbon grains or spheres; after all, they can to be 0.5 mm, which is a small passage of radon despite Brownscher Movements seem possible.

Es war Ziel der vorliegenden Erfindung, eine wesentlich dichtere und kompak­ tere Adsorptionsschicht zu realisieren, die trotzdem wirtschaftlich sein sollte.The aim of the present invention was to make it much denser and more compact Realize adsorption layer, which should still be economical.

Die erfindungsgemäße Lösung besteht darin, daß auf ein Tapetenpapier oder sonstigen (textilen) Träger ein Flächengebilde aus Aktivkohle (Vlies, Gewirk, Gewebe) bzw. "Aktivkohlepapier" aufkaschiert und anschließend abgedeckt wird, um mögliche negative Effekte durch den Tapetenkleister zu vermeiden. Die Vorderseite kann mit einer Dispersionsfarbe angestrichen werden, um eine Verzögerungsschicht zu schaffen. Die Abdeckung der Hinterseite sollte mög­ lichst etwas elastische sein, um eine Steifheit (Sperrholzeffekt) zu vermeiden. Gut bewährt haben sich leichte Kreppapiere. Der Fachmann hat zahlreiche Möglichkeiten, das Laminat aus Vorderschicht, Adsorptionsschicht und hinterer Abdeckung herzustellen. So kann beispielsweise auf den der Adsorptions­ schicht zugekehrten Seiten von Vorderschicht und Abdeckung punktförmig eine Schmelzkleberpaste aufgedruckt werden und die drei Schichten können thermisch miteinander verbunden werden (Flachlaminiermaschine). Die Verzö­ gerungssicht kann durch einen Farbanstrich (Dispersionsfarbe) hergestellt wer­ den, wobei sich ein hoher Polymergehalt als vorteilhaft erwiesen hat. Eine an­ dere Möglichkeit ist, die der Adsorptionsschicht zugekehrte Seite der Vorder­ schicht vollüber mit einem thermoplastischen und wasserdampfdurchlässigen Kunststoff zu beschichten und diese "Verzögerungsschicht" als Kaschierkleber zu benutzen. The solution according to the invention is that on a wallpaper paper or other (textile) carrier a sheet of activated carbon (fleece, knitted fabric, Tissue) or "activated carbon paper" and then covered in order to avoid possible negative effects from the wallpaper paste. The front can be painted with an emulsion paint to make a Creating a delay layer. The back cover should be possible something elastic to avoid stiffness (plywood effect). Light crepe papers have proven their worth. The expert has numerous Possibilities, the laminate of front layer, adsorption layer and rear Manufacture cover. For example, the adsorption layer facing sides of front layer and cover point-like a hot melt adhesive paste can be printed on and the three layers can be thermally connected to each other (flat laminating machine). The delays view can be made by painting (emulsion paint) the, whereby a high polymer content has proven to be advantageous. One on the other option is the side of the front facing the adsorption layer layer completely with a thermoplastic and water vapor permeable Coating plastic and this "retardation layer" as a lamination adhesive to use.  

Die Aktivkohleschicht sollte sehr kompakt sein und 20-250 g, vorzugsweise 100-220 g pro m² schwer sein. Bevorzugt werden Aktivkohlen mit sehr engen Mikroporen (2-10 °A, vorzugsweise 3-6 °A), in denen Radon relativ gut adsor­ biert wird. Die innere Oberfläche sollte 800 m²/g, bevorzugterweise 900 m²/g, betragen.The activated carbon layer should be very compact and 20-250 g, preferably Weigh 100-220 g per m². Activated carbons with very narrow Micropores (2-10 ° A, preferably 3-6 ° A), in which radon adsorbed relatively well beers. The inner surface should be 800 m² / g, preferably 900 m² / g, be.

Dem Fachmann stehen heute Vliese, Gewirke, Gewebe und Papiere aus Aktiv­ kohle zur Verfügung, die aus Mikrofasern verschiedener Rohstoffbasis herge­ stellt werden. Sie haben eine enorme Zugänglichkeit und eine ganz ausge­ zeichnete Kinetik.Nonwovens, knitted fabrics, woven fabrics and papers made from active are available to the expert today Coal available from microfibers of various raw material bases be put. You have tremendous accessibility and quite a lot plotted kinetics.

In ähnlicher Weise lassen sich Bodenbeläge mit Sperrwirkung gegenüber Ra­ don herstellen. So hat sich eine zwischen Folien eingeschweißte Bahn aus Ak­ tivkohle-Vlies (ca. 210 g/m²) unter Holzparkett bewährt. Bei Teppichböden kann die Adsorptionsschicht direkt auf eine Rückenbeschichtung aufkaschiert werden; sie muß an der Unterseite zum Schutz gegen Abrieb abgedeckt sein. Grundsätzlich sind alle bei der Tapete beschriebenen Aktivkohle-Flächengebil­ de geeignet.In a similar way, flooring with a barrier effect against Ra don create. So there was a sheet of Ak welded between foils Tivkohle-Vlies (approx. 210 g / m²) proven under wooden parquet. For carpets the adsorption layer can be laminated directly onto a back coating will; it must be covered on the underside to protect against abrasion. Basically, all activated carbon surface areas described in the wallpaper are de suitable.

Beispiel 1example 1

Eine Papiertapete wurde auf ihrer Rückseite mit einer Schmelzkleberpaste der Fa. Atochem, Bonn, mit einer 11 mesh Schablone bedruckt und getrocknet. Auflage 26 g/m². Andererseits wurde eine etwas wasserfeste Kreppbahn, Flä­ chengewicht ungefähr 50 g/m², mit der gleichen Paste bedruckt und getrock­ net. Gesamtgewicht 71 g/m². Schließlich wurden die beiden Papierbahnen auf ein Aktivkohlevlies der Fa. Carbon Cloth Ltd. (210 g/m² schwer und aus Mikro­ fasern hergestellt) thermisch aufkaschiert (165 °C, Laminator der Fa. Kanne­ gießer) und die Vorderseite mit einer Dispersionsfarbe abgedeckt (Auflage 42 g/m²). Die Messung des Radondurchtritts geschah in einer Meßkammer, die durch das zu untersuchende Produkt in zwei Teile getrennt wird, wobei sich auf einer Seite Radon befindet. Man mißt die Radioaktivität auf der "Leerseite" bis Eintritt eines Gleichgewichts. Der Radondurchbruch war etwa dreißigmal geringer als beim gleichen Schichtaufbau, jedoch mit einem Polyestervlies statt des Aktivkohlevlieses.A paper wallpaper was covered with a hot melt paste on the back Atochem, Bonn, printed with an 11 mesh stencil and dried. Edition of 26 g / m². On the other hand, a somewhat waterproof crepe track, Flä weight approx. 50 g / m², printed with the same paste and dried net. Total weight 71 g / m². Finally, the two paper webs were up an activated carbon fleece from Carbon Cloth Ltd. (210 g / m² heavy and made of micro fibers) thermally laminated (165 ° C, laminator from Kanne pourer) and the front is covered with an emulsion paint (edition 42 g / m²). The radon penetration was measured in a measuring chamber is separated into two parts by the product to be examined, whereby  Radon is located on one side. You measure the radioactivity on the "blank page" until equilibrium occurs. The radon breakthrough was about thirty times less than with the same layer structure, but instead with a polyester fleece of the activated carbon fleece.

Beispiel 2Example 2

Eine Papiertapete wurde auf der Rückseite mit einem weichen, wasserdampf­ durchlässigen Polyurethan mit einem Erweichungspunkt von ca. 145°C be­ schichtet. Auflage 30 g/m². Diese Beschichtung erfüllte gleichzeitig die Rolle einer Verzögerungsschicht wie die eines Kaschierklebers. Als Adsorptions­ schicht wurde ein Aktivkohlepapier (50 g/m²) der Fa. Toybo eingesetzt; die hin­ tere Abdeckung war die gleiche wie im Beispiel 1. Der Radondurchbruch war um ca. 30% höher als beim Material des Beispiels 1, was jedoch immer noch ein sehr gutes Ergebnis ist.A paper wallpaper was made on the back with a soft, water vapor permeable polyurethane with a softening point of approx. 145 ° C layers. Edition of 30 g / m². This coating also played the role a retardation layer like that of a laminating adhesive. As adsorption an activated carbon paper (50 g / m 2) from Toybo was used; the down The outer coverage was the same as in example 1. The radon breakthrough was about 30% higher than the material of Example 1, but still is a very good result.

Claims (10)

1. Wandtapete zur Unterbindung der Radon-Emission aus Gebäudeteilen, da­ durch gekennzeichnet, daß folgende Lagen zu einem mehrschichtigen La­ minat zusammenkaschiert sind: Eine Außenschicht mit einer die Diffusion bremsenden Verzögerungsschicht, eine Adsorptionsschicht bestehend aus einem Aktivkohleflächengebilde und einer Abdeckung.1. Wall mural to prevent radon emissions from parts of the building, characterized in that the following layers are laminated together to form a multilayer laminate: an outer layer with a retardation layer that hinders diffusion, an adsorption layer consisting of an activated carbon sheet and a cover. 2. Wandtapete nach Anspruch 1, dadurch gekennzeichnet, daß die Adsorp­ tionsschicht ein Aktivkohlevlies, Aktivkohlegewirk, Aktivkohlegewebe oder ein Aktivkohlepapier ist, mit einem Flächengewicht von 20-300 g, vorzugs­ weise 50-200 g/m², einer inneren Oberfläche 800 g, vorzugsweise 900 g/m², und Mikroporen mit einem Durchmesser von 2-10 Å, vorzugs­ weise 3-6 Å.2. Wallpaper according to claim 1, characterized in that the adsorb tion layer an activated carbon fleece, activated carbon fabric, activated carbon fabric or an activated carbon paper with a basis weight of 20-300 g is preferred white 50-200 g / m², an inner surface 800 g, preferably  900 g / m², and micropores with a diameter of 2-10 Å, preferred wise 3-6 Å. 3. Wandtapete nach Anspruch 1, dadurch gekennzeichnet, daß die äußere Schicht aus Papier besteht.3. Wallpaper according to claim 1, characterized in that the outer Layer consists of paper. 4. Wandtapete nach Anspruch 1, dadurch gekennzeichnet, daß die rückwärti­ ge Abdeckung aus Papier, vorzugsweise aus einem leicht dehnbaren Pa­ pier, besteht.4. Wallpaper according to claim 1, characterized in that the backward ge cover made of paper, preferably made of a slightly stretchable Pa pier, exists. 5. Wandtapete nach Anspruch 1, dadurch gekennzeichnet, daß die äußere Schicht aus einem textilen Flächengebilde besteht.5. Wall paper according to claim 1, characterized in that the outer Layer consists of a textile fabric. 6. Wandtapete nach Anspruch 1, dadurch gekennzeichnet, daß die rückseiti­ ge Abdeckung aus einem textilen Flächengebilde besteht. 6. Wallpaper according to claim 1, characterized in that the back side ge cover consists of a textile fabric.   7. Wandtapete nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die die Diffusion bremsende Schicht aus einem an der Außenseite angebrachten Anstrich besteht.7. wall wallpaper according to one or more of the preceding claims, characterized in that the diffusion retarding layer a paint applied to the outside. 8. Wandtapete nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die die Diffusion bremsende Schicht aus einer thermoplastischen, wasserdampfdurchlässigen Beschichtung an der Innenseite der Außenschicht besteht und diese Beschichtung gleichzeitig zum Aufkaschieren auf die Adsorptionsschicht dient.8. wall wallpaper according to one or more of the preceding claims, characterized in that the diffusion retarding layer a thermoplastic, water vapor permeable coating on the Inside of the outer layer and this coating exists at the same time serves to laminate onto the adsorption layer. 9. Bodenbelag mit Sperrwirkung gegenüber Radon, dadurch gekennzeichnet, daß die Adsorptionsschicht zwischen Folien eingeschweißt ist und aus einem Aktivkohle-Flächengebilde von 50-200 g/m² mit Mikroporen mit ⌀ 2-10 Å, vorzugsweise 3-6 Å, und einer inneren Oberfläche 800 m²/g be­ steht.9. Floor covering with a blocking effect against radon, characterized in that that the adsorption layer is sealed between foils and out an activated carbon sheet of 50-200 g / m² with micropores with ⌀ 2-10 Å,  preferably 3-6 Å, and an inner surface area of 800 m² / g stands. 10. Bodenbelag mit Sperrwirkung gegenüber Radon, dadurch gekennzeichnet, daß die Adsorptionsschicht auf eine Teppichrückenbeschichtung aufka­ schiert ist und aus einem Aktivkohle-Flächengebilde von 50-200 g/m² mit Mikroporen mit ⌀ 2-10 Å, vorzugsweise 3-6 Å, und einer inneren Oberflä­ che 800 m²/g besteht.10. Floor covering with a blocking effect against radon, characterized in that that the adsorption layer appears on a carpet backing is lubricated and with an activated carbon sheet of 50-200 g / m² Micropores with ⌀ 2-10 Å, preferably 3-6 Å, and an inner surface surface of 800 m² / g.
DE19607423A 1996-02-28 1996-02-28 Laminated wallpaper and flooring material preventing emission of radon into buildings Withdrawn DE19607423A1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2898368A1 (en) * 2006-03-13 2007-09-14 Bostik S A Sa RADON REDUCTION PROCESS INSIDE BUILDINGS.
DE202007008841U1 (en) 2007-05-23 2008-06-26 BLüCHER GMBH Plate-shaped structure with adsorptive properties
DE202007010019U1 (en) 2007-06-08 2008-07-17 BLüCHER GMBH Mat-shaped foam material for air purification and / or air filtration
DE102007024385A1 (en) 2007-05-23 2008-11-27 BLüCHER GMBH Plate-shaped body, has lattice or plate-shaped carrier, where carrier has multiple through holes, and through hole is provided with odor or pollutant-adsorbing material

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2898368A1 (en) * 2006-03-13 2007-09-14 Bostik S A Sa RADON REDUCTION PROCESS INSIDE BUILDINGS.
EP1835510A1 (en) * 2006-03-13 2007-09-19 Bostik Sa Method of reducing the radon inside buildings
DE202007008841U1 (en) 2007-05-23 2008-06-26 BLüCHER GMBH Plate-shaped structure with adsorptive properties
DE102007024385A1 (en) 2007-05-23 2008-11-27 BLüCHER GMBH Plate-shaped body, has lattice or plate-shaped carrier, where carrier has multiple through holes, and through hole is provided with odor or pollutant-adsorbing material
DE202007010019U1 (en) 2007-06-08 2008-07-17 BLüCHER GMBH Mat-shaped foam material for air purification and / or air filtration
DE102007027026A1 (en) 2007-06-08 2008-12-11 BLüCHER GMBH Mat-shaped foam material for air purification and / or air filtration

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