EP2217769A1 - Élément absorbeur ininflammable pour l'isolation thermique et/ou acoustique, et procédé de fabrication d'un tel élément absorbeur - Google Patents

Élément absorbeur ininflammable pour l'isolation thermique et/ou acoustique, et procédé de fabrication d'un tel élément absorbeur

Info

Publication number
EP2217769A1
EP2217769A1 EP08841697A EP08841697A EP2217769A1 EP 2217769 A1 EP2217769 A1 EP 2217769A1 EP 08841697 A EP08841697 A EP 08841697A EP 08841697 A EP08841697 A EP 08841697A EP 2217769 A1 EP2217769 A1 EP 2217769A1
Authority
EP
European Patent Office
Prior art keywords
absorber element
carrier material
carrier
insulating material
cover
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
Application number
EP08841697A
Other languages
German (de)
English (en)
Other versions
EP2217769B1 (fr
EP2217769B3 (fr
Inventor
Herbert Pieper
Norbert GUCKELSBERGER
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.)
Deutsche Rockwool Mineralwoll GmbH and Co OHG
Original Assignee
Deutsche Rockwool Mineralwoll GmbH and Co OHG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40351714&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2217769(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Deutsche Rockwool Mineralwoll GmbH and Co OHG filed Critical Deutsche Rockwool Mineralwoll GmbH and Co OHG
Publication of EP2217769A1 publication Critical patent/EP2217769A1/fr
Publication of EP2217769B1 publication Critical patent/EP2217769B1/fr
Application granted granted Critical
Publication of EP2217769B3 publication Critical patent/EP2217769B3/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E04B1/7608—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 comprising a prefabricated insulating layer, disposed between two other layers or panels
    • 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
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped

Definitions

  • Non-combustible absorber element for thermal and / or acoustic insulation and method for producing such an absorber element
  • the present invention relates to an absorber element for thermal and / or acoustic insulation and a method for producing such an element.
  • an absorber element for thermal and / or acoustic insulation and a method for producing such an element.
  • suitable insulation materials For thermal and / or acoustic insulation walls and / or ceilings of buildings are provided with suitable insulation materials.
  • fibrous products such as mineral wool fibers are used.
  • the fibers produced by melting of corresponding raw materials by spinning are processed for use as heat or sound insulation material optionally by the addition of suitable binders to form a nonwoven, which can be processed into insulation boards or mats.
  • the material thus obtained can advantageously be used both for sound insulation and for thermal insulation.
  • absorbers are devices which convert the energy contained in the sound waves into heat energy.
  • Mineral wool for example stone and / or glass wool, are preferably used materials for producing such absorbers. The materials mentioned have the property of being open to sound.
  • the absorbers can either be attached visibly as wall or ceiling absorbers or not visible integrated into components.
  • a visible wall or ceiling absorber for example, fleece-laminated mineral wool panels are placed in frames and suspended as a so-called "baffle" from the ceiling or attached to the wall.
  • suspended ceiling systems are particularly suitable glass or rock wool boards, which are provided with decorative fleece and can be inserted into suspended, standardized rails and frames or mounted directly under the ceiling.
  • Perforated metal ceilings made of sheet steel or light metal structures such as aluminum are also equipped with fleece-laminated absorbers, with the fleece lamination resting on the metal ceiling.
  • the absorbers used today are usually mineral wool, which in polyethylene (PE film), because of the optics often in black Color, is welded. Under the term mineral wool here glass wool, rock wool and slag wool are subsumed.
  • PE foil prevents fibers from spilling out, as well as "washing out” on the back or the edges if the space above the suspended ceiling is used to guide the air.
  • fleece-backed mineral wool products are used on the front and back, the edges of which are then also laminated with fleeces, is expensive, since the sides can only be coated with fleece with difficulty. As a rule, these areas tear open again and mineral wool fibers can escape into the air.
  • Homogeneous and non-homogeneous building products are classified into different fire protection classes according to the standard mentioned, with the highest fire protection class being class A1.
  • the absorbers produced in this way have, in addition to a poor fire classification, further significant disadvantages.
  • a variety of different dimensions of the film tubes are needed to provide bags of different dimensions.
  • the wall thickness of the film must be kept as thin as possible in order not to adversely affect the sound-absorbing properties.
  • the wall thickness of the film tube used must be sufficiently thick to provide the necessary resistance to mechanical damage. This leads to a poorly resolved contradiction, since on the one hand brings a mechanically stable film sound insulation defects and on the other hand an open-pored nonwoven or a much thinner film are mechanically resistant enough to prevent the mechanically loaded side discharging the mineral wool fibers.
  • Another disadvantage is that many times the Folienschlauch- and mineral wool dimension is not exactly matched to each other, whereby film survives, which can then be damaged by the handling when used on the construction site.
  • the invention has the object of providing an absorber element for thermal and / or acoustic insulation, which is able to overcome the disadvantages known from the prior art and mentioned above and achieves at least a class A2 fire protection classification.
  • an absorber element for thermal and / or sound insulation gel ö st consisting of a fibrous insulating material and a sheet-formed sheathing material, with which the fibrous insulating material is sheathed, wherein the fibrous insulating material has a basis weight of 0 , 1 to 6.0 kg / m 2 , and the sheet-formed casing material has a basis weight of 0.01 to 0.17 kg / m 2 with a calorific value per mass of 0 to 48 MJ / kg and a calorific value per area of 0 to 4.0 MJ / m 2 .
  • the insulating material used in the absorber element according to the invention has a calorific value per mass of 0 to 3 MJ / kg and a calorific value per area of 0 to 19.4 MJ / m 2 .
  • the sheathing material may comprise a polymer material.
  • the sheathing material is formed of a sheet-shaped carrier material and a flat covering material, wherein the fibrous insulating material is applied to the carrier material and the covering material covers the fibrous insulating material, wherein the carrier material and cover material are connected to each other at least along all contact surfaces and thus form a completely closed bag which receives the fibrous insulating material and wherein the carrier material and the cover material may have different properties.
  • the sheath material forming carrier material and / or covering material plastic film a non-woven, a metal foil or a fabric such.
  • a metal foil or a fabric such as fiberglass fabric, metal mesh or plastic fabric used.
  • plastic films in particular polyethylene, polypropylene, polyurethane, polyvinyl chloride or copolymers thereof have proven to be suitable.
  • the carrier material and Covering material can be formed from plastic films, wherein the films differ in terms of their wall thickness.
  • the carrier material can be a sound-technically favorable thin plastic film
  • the covering material can be a mechanically resistant thick plastic film.
  • plastic films such as polyethylene films having a thickness of about 40 ⁇ m have proven to be mechanically stable plastic films.
  • polyethylene films with a film thickness ⁇ 25 ⁇ m have proven to be suitable as acoustically favorable films.
  • the carrier material and / or the covering material is perforated or microperforated to improve the acoustic properties.
  • a reinforcement of the carrier material and / or the cover material by suitable tissue, such. B. glass fiber fabric or metal mesh may be specified.
  • the carrier material and / or the covering material may be provided with flame-retardant agents.
  • mineral wool fibers and products made from these fibers may be provided.
  • mineral wool fibers are meant glass wool fibers, slag wool fibers and / or rock wool fibers.
  • the cover material is bonded to the carrier material at least at the points of contact, sewn, welded or clamped together.
  • the cover material is also connected to the carrier material by the insulating material through suitable means.
  • the cover material can be sewn to the carrier material, for example through the insulating material.
  • the insulating material may according to the invention have a binder for improving the mechanical properties.
  • Suitable binders are z.
  • phenolic resins or inorganic binders which are advantageously incombustible.
  • the damming materials used properly can further additives such as flame retardants or agents for dust binding and / or hydrophobing such.
  • the absorber element has a calorific value per mass of the absorber ⁇ 3.0 MJ / kg.
  • the absorber element meets the fire protection requirements of Class A according to the standard DIN EN 13501-1 and can be used in appropriate areas.
  • a calorific value per mass of the absorber element ⁇ 3.0 MJ / kg is achieved by using appropriate carrier and / or covering materials as well as suitable insulating materials in accordance with the previously stated specifications.
  • the bulk density of the insulating material used according to the invention can be between 9 and 100 kg / m 3 , with a preferred range between 12 and 60 kg / m 3 .
  • the absorber elements according to the invention have a total thickness of 10 to 70 mm, preferably between 20 and 50 mm, and more preferably about 20 mm.
  • the bulk density of the substantial constituent of the absorber element is raised with the binder content unchanged.
  • a calorific value per mass of the absorber element of 2.99 MJ / kg be achieved.
  • a calorific value per mass absorber element of 2.92 MJ / kg can be achieved with the same carrier and / or covering material.
  • the bulk density of the mineral wool can be increased significantly lower if the binder content in the mineral wool product is reduced.
  • a calorific value per mass of such an absorber element of 2.966 MJ / kg can be achieved.
  • the calorific value per mass of such an absorber element is 2.97 MJ / kg.
  • loose wool can be used as insulating material.
  • This is a product that is almost free of binder and only a small proportion of hydrophobic oils.
  • the oil content is usually 0.1% with a calorific value of 42 MJ / kg oil.
  • the density of the mineral wool (for stone and glass wool) from today 27.5 kg / m 3 or 15 kg / m 3 are changed to 34 kg / m 3 .
  • the absorber element described above with a total thickness of 20 mm has only a low strength.
  • a needling process of the loose wool can be provided.
  • non-combustible inorganic binder systems may be used instead of the previously described "combustible" high heat of combustion / kg binders.
  • two different binders both organic and inorganic, can be used in different amounts in an absorber element.
  • minimum densities of 34 to 44 kg / m 3 are obtained for rockwool and minimum densities of 34 to 59 kg / m 3 for glass wool.
  • organic binders can be further modified so that the value of the heat of combustion / kg of ready-mixed binder decreases accordingly.
  • the apparent density of mineral wool is determined in order to achieve a calorific value per mass of the total product of ⁇ 3.0 MJ / kg.
  • the object is solved by a method for producing an absorber element, comprising the method steps:
  • carrier material and covering material can advantageously be formed flat.
  • the carrier material and / or the cover material may be, for example, plastic film, a nonwoven, a metal foil and / or a woven fabric.
  • the different properties of the carrier material and the cover material may be due to the fact that different materials such as a nonwoven as a carrier material and a plastic film are used as covering or that is used as a carrier material, a plastic film with a significantly lower wall thickness, which has good acoustic properties, while a mechanically stable plastic film is used as cover material.
  • plastic films in particular polyethylene films have proven to be suitable.
  • films made of polypropylene or polyethylene-polypropylene copolymers can be used according to the invention.
  • the acoustic properties of the substrate can be provided to form this sound and gas permeable.
  • the sound and / or gas permeability can be inherent in the material, for example when using a nonwoven fabric, or by appropriate treatment of the carrier material, such as perforation or microperforation of films.
  • the insulating material applied to the carrier material is advantageously rock wool fibers and / or glass wool fibers.
  • the covering material is connected to the carrier material for forming a bag containing the insulating material.
  • the carrier material and the cover material are advantageously connected at least along the contact surfaces between cover material and carrier material.
  • it can be provided to connect the cover material with the carrier material through the insulating material by means of suitable devices, whereby the mechanical properties of the resulting absorber element can be influenced.
  • a sewing, a gluing, a welding or a Anelectricklammem may be provided.
  • the carrier film of a polymeric material such.
  • the polymer material of the carrier film by heating in the edge areas to Softening point used as an 'adhesive' to generate no additional fire load due to adhesive.
  • the carrier material and / or covering material are at least partially connected to the insulating material.
  • connection can be effected by means of welding bars, with which the carrier material and the covering material are stapled to one another.
  • Fig. 1 shows a schematic representation of an apparatus for carrying out the method according to the invention.
  • a carrier material 2 is applied to a transport device 1.
  • an insulating material 3 is applied on the substrate 2.
  • the size of the produced absorber element adapted portions of the insulating material 3 are spaced from each other applied to the substrate 2.
  • the insulating material 3 is then covered with a cover 4.
  • the covering 4 is applied so that it can sink into the interstices 5 between the portions of the insulating material 3 or is pressed by suitable means in the interstices 5.
  • carrier material 2 and covering material 4 are connected to one another by means of a connecting device 6.
  • the connecting device 6 may be a welding bar, a sewing head, a device for gluing or for clamping together.
  • a separating device 7 is provided, which separates the resulting absorber elements from each other.
  • a device for generating a negative pressure can be provided, with which the carrier material 2 and optionally the insulating material 3 can be fixed on the transport device.
  • Fig. 2 the application of the insulating material 3 is shown schematically on the substrate 2. It can be seen here that according to the invention it can be provided that the insulating material 3 can be applied in portions spaced apart from one another in both horizontal directions, so that the absorber element arrangement shown in FIG. 3 can form on the carrier material 2.
  • 4 shows a section through an absorber element according to the invention, with a core comprising an insulating material 3, a covering material 4, a carrier material 2 and a connection point 9 between carrier material and covering material 4.
  • FIG. 5 shows, in a three-dimensional graphic plot, the dependencies of the properties of a film which can be used in an absorber element according to the invention in terms of basis weight, calorific value and PCS value.
  • the hatched area in the upper right corner of the diagram area represents an area in which the overall properties of the film are outside the range according to the invention depending on the individual properties basis weight, calorific value per area of the absorber element and calorific value per mass of the absorber element.
  • the diagram area dotted in the graph represents the area of the overall property of the film in which a corresponding overall properties film can be used in an absorber element according to the invention.
  • FIG. 6 shows, in a three-dimensional image, the properties of an insulating material to be used in an absorber element according to the invention in terms of basis weight, calorific value per area of the absorber element and calorific value per mass of the absorber element.
  • the dotted area represents the area of the overall property of the fuel in which Such is applicable in an absorber element according to the invention.
  • the insulating material is applicable over the entire reproduced diagram surface area in an absorber element according to the invention.
  • an absorber element according to the invention with a dimension of 1200 X 600 X 30 mm (length X width X height) is a on Oversized polyethylene film provided.
  • the oversize is 40 mm per side, so that the oversize foil has a dimension of 1,280 mm X 680 mm.
  • the film thickness is 20 microns, the specific gravity is 940 kg / m 3 and the calorific value per mass 40 MJ / kg.
  • On the provided film is dimensionally stable, that is applied in a range of 1200 X 600 X 30 mm rock wool with a density of 38 kg / m 3 and a binder content of 2%.
  • the calorific value per mass is 25 MJ / kg for the binder.
  • An absorber element produced in this way has a calorific value per area of 2.09 MJ / m 2 and a calorific value per mass of 1.83 MJ / kg.
  • a polyethylene film with a material thickness of 20 ⁇ m and a specific weight of 940 kg / m 3 is cut to excess and used as a lower film of the absorber element.
  • the lower film has a calorific value per mass of 45 MJ / kg.
  • a rock wool with a density of 50 kg / m 3 and a binder content of 0.7% is applied until a material thickness of 20 mm is reached.
  • the rockwool applied here has a binder with a calorific value per mass of 25 MJ / kg.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Thermal Insulation (AREA)

Abstract

L'invention concerne un élément absorbeur pour l'isolation thermique et/ou acoustique, qui est constitué d'un matériau support (2) réalisé plat, d'un matériau isolant fibreux (3) et d'un matériau de recouvrement (4) réalisé plat. Le matériau support (2) et le matériau de recouvrement (4) sont mutuellement assemblés de telle sorte que sont formés des sacs fermés de tous côtés, qui reçoivent le matériau isolant (3). L'invention concerne en outre un procédé de fabrication d'éléments absorbeurs correspondants.
EP08841697.9A 2007-10-24 2008-10-23 Élément absorbeur ininflammable pour l'isolation thermique et/ou acoustique, et procédé de fabrication d'un tel élément absorbeur Active EP2217769B3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007051122A DE102007051122A1 (de) 2007-10-24 2007-10-24 Nichtbrennbares Absorberelement für die Wärme- und/oder Schalldämmung sowie Verfahren zur Herstellung eines solchen Absorberelementes
PCT/EP2008/008964 WO2009053067A1 (fr) 2007-10-24 2008-10-23 Élément absorbeur ininflammable pour l'isolation thermique et/ou acoustique, et procédé de fabrication d'un tel élément absorbeur

Publications (3)

Publication Number Publication Date
EP2217769A1 true EP2217769A1 (fr) 2010-08-18
EP2217769B1 EP2217769B1 (fr) 2014-01-01
EP2217769B3 EP2217769B3 (fr) 2020-03-11

Family

ID=40351714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08841697.9A Active EP2217769B3 (fr) 2007-10-24 2008-10-23 Élément absorbeur ininflammable pour l'isolation thermique et/ou acoustique, et procédé de fabrication d'un tel élément absorbeur

Country Status (5)

Country Link
EP (1) EP2217769B3 (fr)
DE (2) DE102007051122A1 (fr)
EA (1) EA201070514A1 (fr)
UA (1) UA96516C2 (fr)
WO (1) WO2009053067A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2351290B2 (es) * 2010-07-28 2011-07-15 Universidad Politecnica De Madrid (90 %) Sistema de acondicionamiento térmico y almacenamiento energético para suelos técnicos.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114687B1 (fr) * 1983-01-24 1987-05-06 Grünzweig + Hartmann und Glasfaser AG Dalle d'isolation thermique comprenant une enveloppe et un matériau isolant thermique en particules, fortement dispersé et comprimé dans l'enveloppe, ainsi que le procédé pour sa fabrication et le dispositif pour la mise en oeuvre du procédé
FR2587747B3 (fr) * 1985-09-25 1987-10-30 Saint Gobain Isover Anneaux d'isolation acoustique
CH687932A5 (de) * 1994-02-08 1997-03-27 Pavafibres S A Fribourg Flexible Isolationsplatte mit einem Fasermaterial.
US6357504B1 (en) * 1999-07-29 2002-03-19 Owens Corning Fiberglas Technology, Inc. Technology for attaching facing system to insulation product
US6924243B2 (en) * 2001-05-29 2005-08-02 Owens Corning Fiberglas Technology, Inc. High performance fire-retardant kraft facing for fiberglass insulation
US7060155B2 (en) * 2002-12-24 2006-06-13 Owens Corning Fiberglas Technology, Inc. Method and apparatus for soft skin encapsulation
US6905563B2 (en) * 2002-12-24 2005-06-14 Owens Corning Fiberglas Technology, Inc. Method and apparatus for melt-blown fiber encapsulation
GB2405415A (en) 2003-08-29 2005-03-02 Knauf Insulation Ltd Encapsulated insulation with metallised polyethylene film having low emissivity
DE102004044410B4 (de) * 2004-09-14 2007-09-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Wärmedämmtapete
DE102006030907A1 (de) * 2006-06-28 2008-01-03 Dmitry Rakov Verfahren zur Schalldämmung und/oder -dämpfung und Vorrichtung zur Durchführung des Verfahrens
DE202006017034U1 (de) * 2006-11-06 2008-03-13 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Dämmsystem für eine Gebäudedecke

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009053067A1 *

Also Published As

Publication number Publication date
DE502008011164C5 (de) 2022-04-14
UA96516C2 (ru) 2011-11-10
WO2009053067A1 (fr) 2009-04-30
EP2217769B1 (fr) 2014-01-01
EP2217769B3 (fr) 2020-03-11
DE102007051122A1 (de) 2009-05-14
EA201070514A1 (ru) 2010-12-30

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