EP0816582B2 - Barrier for preventing the air convection and the emission of noxious substances in building rooms - Google Patents

Barrier for preventing the air convection and the emission of noxious substances in building rooms Download PDF

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Publication number
EP0816582B2
EP0816582B2 EP97111122A EP97111122A EP0816582B2 EP 0816582 B2 EP0816582 B2 EP 0816582B2 EP 97111122 A EP97111122 A EP 97111122A EP 97111122 A EP97111122 A EP 97111122A EP 0816582 B2 EP0816582 B2 EP 0816582B2
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EP
European Patent Office
Prior art keywords
polyamide
barrier
emission
film
air convection
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.)
Expired - Lifetime
Application number
EP97111122A
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German (de)
French (fr)
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EP0816582A1 (en
EP0816582B1 (en
Inventor
Hartwig Dr.-Ing. Künzel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of EP0816582A1 publication Critical patent/EP0816582A1/en
Publication of EP0816582B1 publication Critical patent/EP0816582B1/en
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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
    • E04B1/66—Sealings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
    • E04D12/002—Sheets of flexible material, e.g. roofing tile underlay
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction

Definitions

  • the invention relates to a barrier for use for obstructing or avoiding emission of pollutants from components, from neighboring areas, the soil or groundwater in rooms of buildings, for use in new construction, the renovation of old buildings and during conversion to protect from freshly treated Components leaking solvents.
  • pollutants which in particular penetrate gaseous into rooms and can lead to damage to health.
  • pollutants can e.g. used in wood preservatives used, other paints or be monomers made of plastic insulating boards that can diffuse into unprotected spaces.
  • organic solvents from adjacent workrooms can diffuse into unprotected lounges.
  • pollutants e.g., radon
  • from the subsurface may convectively or by diffusion into spaces.
  • a water barrier laminate in which, inter alia, a waterproof membrane is used.
  • a membrane may consist of different plastics and optionally also be perforated.
  • the U.S. Patent 4,878,421 discloses the use of a water vapor permeable polyethylene as a barrier arranged on the room side to protect the interior of rooms and buildings from the penetration of any pollutant emissions that may occur.
  • the invention can be used in addition to the already mentioned in the disadvantages of the prior art uses also in roofs or wooden stud constructions.
  • a polyamide 6, a polyamide 4 or polyamide 3 and Mischpolyamide as they are known in particular from Biederbick, K .: "Plastics - short and to the point", Vogel-Verlag, Würzburg , used.
  • These polyamides are used as films and have the required properties with respect to the protection against air convection and pollutant emissions immanent. In addition, they have the required strength in use in buildings, so that they can be used without additional effort.
  • the support materials preferably have a low water vapor diffusion resistance and the required properties of the barrier according to the invention are essentially caused by the coating.
  • films made of synthetic fiber spun fabrics or building boards can be used for interior work.
  • the barrier material for the film can be sandwiched on one side on the carrier material, but also in special cases between two layers of carrier material. In the latter case, the coating material is effectively protected against mechanical attack from both sides and can thus guarantee the desired properties over a long period of time. It is also possible to use several such layer structures one above the other.
  • one-sided coating of the carrier material this can be applied to the side on which little or no protection against mechanical influence is required.
  • the attachment of the barrier according to the invention can in this case be such that the protective carrier material faces the room or facing away from the room side. This will be the case in particular for structural panels for interior work.
  • the polyamide film is on one side at least partially provided with a primer, so that attachment to walls or plates can be done in a simple manner without additional fasteners must be used, which may violate the polyamide selectively and there opportunities for the penetration of pollutants arise.
  • a band-shaped design of the polyamide film is particularly favorable for use in sealing joint areas, wherein such a band-shaped polyamide film may be coated with adhesion promoter.
  • Such a film strip can be arranged along a joint and seal this particularly critical area.
  • the barrier is formed solely from a film consisting of polyamide 6.
  • the film thickness is preferably in a range of 10 to 500 microns, most preferably at a thickness of 50 microns. tries with a film thickness of 50 .mu.m under measuring conditions according to DIN 52650 in the dry range at a mean relative humidity of about 30%, a water vapor diffusion resistance (s d value) of 4.5 m and in the wet region at an average relative humidity of about 70 % yield a water vapor diffusion resistance (s d value) of 0.5 m of a diffusion-equivalent air layer thickness.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Prevention Of Fouling (AREA)
  • Finishing Walls (AREA)

Abstract

Air convection in structural components and emission of hazardous substances from structural components into buildings is prevented by a polyamide film on the room side of the component, pref. 10-100 mu thick, partic. 50 mu . Pref. the film is permeable to water vapour. Partic. pref. polyamide 3,4,6 or 12 or a mixed polyamide is used, and may be reinforced with integrated fibres or a backing material.

Description

Die Erfindung betrifft eine Barriere für den Einsatz zur Behinderung bzw. Vermeidung von Emission von Schadstoffen aus Bauteilen, aus Nachbarräumen, dem Erdreich oder Grundwasser in Räume von Gebäuden, zum Einsatz beim Neubau, der Sanierung von Altbauten und während Umbaumaßnahmen zum Schutz von aus frisch behandelten Bauteilen austretenden Lösungsmitteln.The invention relates to a barrier for use for obstructing or avoiding emission of pollutants from components, from neighboring areas, the soil or groundwater in rooms of buildings, for use in new construction, the renovation of old buildings and during conversion to protect from freshly treated Components leaking solvents.

Es ist bisher bekannt und auch weit verbreitet üblich Maßnahmen an Gebäuden vorzusehen, die die Diffusion von Wasserdampf reduzieren, um die jeweiligen Bauteile insbesondere vor den durch Tauwasseranfall hervorrufbaren Feuchteschäden zu schützen.It is hitherto known and widely used to provide measures on buildings that reduce the diffusion of water vapor in order to protect the respective components, in particular from the moisture damage caused by condensation.

Das Problem, daß bei bisher bekannten Ausführungen nicht oder nur unzulänglich berücksichtigt wird, ist das Eindringen von Schadstoffen, die insbesondere gasförmig in Räume eindringen und zu Gesundheitsschäden führen können. Solche Schadstoffe können z.B. in verwendeten Holzschutzmitteln, anderen Anstrichstoffen enthalten sein oder auch Monomere aus Dämmplatten aus Kunststoffen sein, die in ungeschützte Räume eindiffundieren können. Ebenso können organische Lösungsmittel aus angrenzenden Arbeitsräumen in ungeschützte Aufenthaltsräume eindiffundieren. Das gleiche gilt für eine Fassadenbehandlung mit Hydrophobierungsmitteln und Festigern. Außerdem können Schadstoffe (z.B. Radon) aus dem Untergrund konvektiv oder durch Diffusion in Räume eindringen.The problem that is not or only insufficiently taken into account in previously known embodiments, is the ingress of pollutants, which in particular penetrate gaseous into rooms and can lead to damage to health. Such pollutants can e.g. used in wood preservatives used, other paints or be monomers made of plastic insulating boards that can diffuse into unprotected spaces. Likewise, organic solvents from adjacent workrooms can diffuse into unprotected lounges. The same applies to a facade treatment with water repellents and fixatives. In addition, pollutants (e.g., radon) from the subsurface may convectively or by diffusion into spaces.

So ist aus US-A-3 445 322 ein Wasserbarrierelaminat bekannt, bei dem unter anderem eine wasserundurchlässige Membran verwendet wird. Eine solche Membran kann aus unterschiedlichen Kunststoffen bestehen und gegebenenfalls auch perforiert sein.That's how it is U.S.-A-3,445,322 a water barrier laminate is known in which, inter alia, a waterproof membrane is used. Such a membrane may consist of different plastics and optionally also be perforated.

Die US-A-4 878 421 offenbart die Verwendung einer wasserdampfdurchlässigen Polyäthylenfolie als raumseitig angeordnete Barriere zum Schutz des Inneren von Räumen und Gebäuden vor dem Eindringen eventuell auftretender Schadstoffemissionen.The U.S. Patent 4,878,421 discloses the use of a water vapor permeable polyethylene as a barrier arranged on the room side to protect the interior of rooms and buildings from the penetration of any pollutant emissions that may occur.

Ausgehend hiervon, ist es Aufgabe der Erfindung, eine Barriere zu verbessern, die in der Lage ist, unter verschiedenen Bedingungen, variabel im Einsatz, einen Schutz des Inneren von Räumen gegen eventuell auftretende Schadstoffemissionen zu sichern.Proceeding from this, it is an object of the invention to improve a barrier, which is able to secure under different conditions, variable in use, a protection of the interior of rooms against any pollutant emissions occurring.

Erfindungsgemäß wird diese Aufgabe durch die im Patentanspruch 1 genannten Merkmale gelöst. Weiterbildungen und Ausgestaltungen der Erfindung ergeben sich bei Verwendung der in den untergeordneten Ansprüchen genannten Merkmale.According to the invention this object is achieved by the features mentioned in claim 1. Further developments and embodiments of the invention will become apparent when using the features mentioned in the subordinate claims.

Die Erfindung kann neben den bereits bei den Nachteilen des Standes der Technik genannten Einsatzzwecken auch bei Dächern oder Holzständerkonstruktionen verwendet werden.The invention can be used in addition to the already mentioned in the disadvantages of the prior art uses also in roofs or wooden stud constructions.

Als Material für die Barriere, das die gewünschten Eigenschaften aufweist, werden ein Polyamid 6, ein Polyamid 4 oder Polyamid 3 sowie Mischpolyamide, wie sie insbesondere aus Biederbick, K.: "Kunststoffe - kurz und bündig", Vogel-Verlag, Würzburg bekannt sind, verwendet. Diese Polyamide werden als Folien eingesetzt und weisen die geforderten Eigenschaften in bezug auf den Schutz gegen Luftkonvektion und Schadstoffemission immanent auf. Außerdem verfügen sie über die im Einsatz in Gebäuden erforderlichen Festigkeiten, so daß sie ohne zusätzlichen Aufwand einsetzbar sind.As a material for the barrier, which has the desired properties, a polyamide 6, a polyamide 4 or polyamide 3 and Mischpolyamide, as they are known in particular from Biederbick, K .: "Plastics - short and to the point", Vogel-Verlag, Würzburg , used. These polyamides are used as films and have the required properties with respect to the protection against air convection and pollutant emissions immanent. In addition, they have the required strength in use in buildings, so that they can be used without additional effort.

Sie können jedoch auch auf geeignete Trägermaterialien aufgebracht werden. Die Trägermaterialien weisen dabei bevorzugt einen geringen Wasserdampfdiffusionswiderstand auf und die geforderten Eigenschaften der erfindungsgemäßen Barriere werden im wesentlichen von der Beschichtung bewirkt.However, they can also be applied to suitable carrier materials. The support materials preferably have a low water vapor diffusion resistance and the required properties of the barrier according to the invention are essentially caused by the coating.

Als Materialien für den bzw. die Träger können beispielsweise, Folien aus Kunstfaserspinngeweben oder Bauplatten für den Innenausbau eingesetzt werden.As materials for the carrier (s), for example, films made of synthetic fiber spun fabrics or building boards can be used for interior work.

Das Barrierematerial für die Folie kann dabei einseitig auf das Trägermaterial, aber auch in besonderen Fällen zwischen zwei Trägermaterialschichten sandwichartig aufgenommen werden. Im letzten Fall wird das Beschichtungsmaterial von beiden Seiten wirksam gegen mechanischen Angriff geschützt und kann dadurch über einen langen Zeitraum die gewünschten Eigenschaften garantieren. Es können auch mehrere solcher Schichtaufbauten übereinandergelegt eingesetzt werden.The barrier material for the film can be sandwiched on one side on the carrier material, but also in special cases between two layers of carrier material. In the latter case, the coating material is effectively protected against mechanical attack from both sides and can thus guarantee the desired properties over a long period of time. It is also possible to use several such layer structures one above the other.

Im Falle der einseitigen Beschichtung des Trägermaterials kann diese auf der Seite aufgebracht werden, auf der kein oder nur ein geringer Schutz gegen mechanische Beeinflussung erforderlich ist. Die Anbringung der erfindungsgemäßen Barriere kann in diesem Fall so erfolgen, daß das schützende Trägermaterial zur dem Raum zugewandten oder zur dem Raum abgewandten Seite zeigt. Dies wird insbesondere bei Bauplatten für den Innenausbau der Fall sein.In the case of one-sided coating of the carrier material, this can be applied to the side on which little or no protection against mechanical influence is required. The attachment of the barrier according to the invention can in this case be such that the protective carrier material faces the room or facing away from the room side. This will be the case in particular for structural panels for interior work.

Die Polyamidfolie ist einseitig zumindest teilweise mit einem Haftvermittler versehen, so daß eine Befestigung an Wänden bzw. Platten auf einfache Art und Weise erfolgen kann, ohne daß zusätzliche Befestigungsmittel verwendet werden müssen, die eventuell die Polyamidfolie punktuell verletzen und dort Möglichkeiten für das Eindringen von Schadstoffen entstehen.The polyamide film is on one side at least partially provided with a primer, so that attachment to walls or plates can be done in a simple manner without additional fasteners must be used, which may violate the polyamide selectively and there opportunities for the penetration of pollutants arise.

Ein bandförmige Ausbildung der Polyamidfolie ist besonders für den Einsatz zur Abdichtung von Fugenbereichen günstig, wobei auch eine solche bandförmige Polyamidfolie mit Haftvermittler beschichtet sein kann. Ein solches Folienband kann entlang einer Fuge angeordnet sein und diesen besonders kritischen Bereich abdichten.A band-shaped design of the polyamide film is particularly favorable for use in sealing joint areas, wherein such a band-shaped polyamide film may be coated with adhesion promoter. Such a film strip can be arranged along a joint and seal this particularly critical area.

Nachfolgend soll die Erfindung beispielhaft erläutert werden.The invention will be explained by way of example below.

Dabei wird die Barriere allein aus einer Folie, die aus Polyamid 6 besteht, gebildet. Die Foliendicke liegt bevorzugt in einem Bereich von 10 bis 500 µm, ganz besonders günstig bei einer Dicke von 50 µm. Versuche mit einer Foliendicke von 50 µm haben unter Meßbedingungen nach DIN 52650 im trockenen Bereich bei einer mittleren relativen Feuchte von etwa 30 % einen Wasserdampfdiffusionswiderstand (sd-Wert) von 4,5 m und im feuchten Bereich bei einer mittleren relativen Feuchte von ca. 70 % einen Wasserdampfdiffusionswiderstand (sd-Wert) von 0,5 m einer diffusionsäquivalenten Luftschichtdicke ergeben.The barrier is formed solely from a film consisting of polyamide 6. The film thickness is preferably in a range of 10 to 500 microns, most preferably at a thickness of 50 microns. tries with a film thickness of 50 .mu.m under measuring conditions according to DIN 52650 in the dry range at a mean relative humidity of about 30%, a water vapor diffusion resistance (s d value) of 4.5 m and in the wet region at an average relative humidity of about 70 % yield a water vapor diffusion resistance (s d value) of 0.5 m of a diffusion-equivalent air layer thickness.

Claims (5)

  1. The use of a water-vapour permeable polyamide film of polyamide 3, polyamide 4, polyamide 6 or1 a mixed polyamide as barriers arranged in a room for protecting the interior of rooms and buildings from the penetration of any noxious emissions which may arise, wherein the polyamide film is at least partially coated on one side with a bonding agent
  2. A use according to claim 1, characterised in that the polyamide film has a thickness of between 10 and 500 µm.
  3. A use according to claims 1 or 2, characterised in that the polyamide film has a thickness of 50 µm.
  4. A use according to one of claims 1 to 3, characterised in that the polyamide film is reinforced with a base material.
  5. A use according to one of claims 1 to 4, characterised in that the polyamide film is constructed as a strip.
EP97111122A 1996-07-04 1997-07-03 Barrier for preventing the air convection and the emission of noxious substances in building rooms Expired - Lifetime EP0816582B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29611626U 1996-07-04
DE29611626U DE29611626U1 (en) 1996-07-04 1996-07-04 Barrier to prevent air convection and pollutant emissions

Publications (3)

Publication Number Publication Date
EP0816582A1 EP0816582A1 (en) 1998-01-07
EP0816582B1 EP0816582B1 (en) 2005-10-12
EP0816582B2 true EP0816582B2 (en) 2012-08-01

Family

ID=8026038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97111122A Expired - Lifetime EP0816582B2 (en) 1996-07-04 1997-07-03 Barrier for preventing the air convection and the emission of noxious substances in building rooms

Country Status (5)

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EP (1) EP0816582B2 (en)
AT (1) ATE306592T1 (en)
DE (2) DE29611626U1 (en)
DK (1) DK0816582T4 (en)
NO (1) NO320642B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000037751A1 (en) * 1998-12-21 2000-06-29 Icopal A/S A water vapour barrier and a method of making the same
DE10155925C1 (en) 2001-11-14 2003-03-20 Fraunhofer Ges Forschung Sound and thermal insulation pack for an aircraft cabin, comprises an enveloping membrane with water vapor diffusion resistance which is a function of the ambient humidity
DE10231769B4 (en) * 2002-07-13 2009-09-10 Orbita-Film Gmbh Vapor barrier film with increased elongation at break in longitudinal and transverse direction and variable water vapor permeability
US20060059852A1 (en) 2004-09-23 2006-03-23 Certainteed Corporation Laminated building materials
WO2009043515A1 (en) * 2007-09-26 2009-04-09 Ewald Dörken Ag Sheet material for the building sector and composite sheet-material arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030276A1 (en) † 1980-08-09 1982-03-18 Wolff Walsrode Ag, 3030 Walsrode SEALING LINES
DD250540A1 (en) † 1986-07-01 1987-10-14 Bmk Ind & Hafenbau FLAECHENBESCHICHTUNGSMATERIAL
DE3419624C2 (en) † 1984-05-25 1990-01-18 Metzeler Kautschuk Gmbh, 8000 Muenchen, De
DE4326671A1 (en) † 1993-08-09 1995-02-16 Angelika Bausch Sealing element and process for the production thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445322A (en) * 1965-10-18 1969-05-20 Ignatius T Agro Laminated building component
US4878421A (en) * 1988-06-03 1989-11-07 Eljen Corporation Radon venting system for existing structures
GB8907241D0 (en) * 1989-03-31 1989-05-17 Shillabeer John L Gas barriers for buildings
US5054252A (en) * 1990-04-06 1991-10-08 Gpac, Inc. System for sealing asbestos contaminated material in building crawl space
JPH0466503A (en) * 1990-07-04 1992-03-02 Reiko Co Ltd Sheet, yarn and woven or knit fabric for controlling termite
DE4218216C1 (en) * 1992-06-03 1993-06-17 Environmental Techn Eur Ltd Large area gas block - has layer of water-retaining material between layers of cement-bonded leather and textile waste
DE19514420C1 (en) * 1995-04-19 1997-03-06 Fraunhofer Ges Forschung Vapor barrier for use in the thermal insulation of buildings

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030276A1 (en) † 1980-08-09 1982-03-18 Wolff Walsrode Ag, 3030 Walsrode SEALING LINES
DE3419624C2 (en) † 1984-05-25 1990-01-18 Metzeler Kautschuk Gmbh, 8000 Muenchen, De
DD250540A1 (en) † 1986-07-01 1987-10-14 Bmk Ind & Hafenbau FLAECHENBESCHICHTUNGSMATERIAL
DE4326671A1 (en) † 1993-08-09 1995-02-16 Angelika Bausch Sealing element and process for the production thereof

Also Published As

Publication number Publication date
DE59712441D1 (en) 2006-02-23
EP0816582A1 (en) 1998-01-07
NO973090L (en) 1998-01-05
EP0816582B1 (en) 2005-10-12
NO320642B1 (en) 2006-01-09
DE29611626U1 (en) 1996-09-12
DK0816582T4 (en) 2012-09-10
NO973090D0 (en) 1997-07-02
ATE306592T1 (en) 2005-10-15
DK0816582T3 (en) 2005-11-14

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