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WO2008087011A1 - Système composite thermoisolant multicouche - Google Patents

Système composite thermoisolant multicouche Download PDF

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Publication number
WO2008087011A1
WO2008087011A1 PCT/EP2008/000271 EP2008000271W WO2008087011A1 WO 2008087011 A1 WO2008087011 A1 WO 2008087011A1 EP 2008000271 W EP2008000271 W EP 2008000271W WO 2008087011 A1 WO2008087011 A1 WO 2008087011A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
composite system
insulating
permeable
vapor
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.)
Ceased
Application number
PCT/EP2008/000271
Other languages
German (de)
English (en)
Inventor
Mintcho Kolev
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to EP08701124A priority Critical patent/EP2126232A1/fr
Publication of WO2008087011A1 publication Critical patent/WO2008087011A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • E04B1/78—Heat insulating elements
    • 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
    • E04B1/625—Sheets or foils allowing passage of water vapor but impervious to liquid water; house wraps
    • 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
    • E04B2001/7691—Heat reflecting layers or coatings

Definitions

  • the invention relates to a multilayer thermally insulating composite system.
  • Such composite systems are known in the art. They are used to insulate objects and are used, for example, in home construction, where they are used e.g. be used as insulation of roofs or walls.
  • Heat is transferred by conduction (conduction), convection and / or thermal radiation.
  • conduction heat is transferred from the warmer to the cold when two transported material.
  • Heat transfer by convection occurs when different warm gases or liquids move, in particular by rising of heated gases (air).
  • Thermal radiation is electromagnetic radiation that emits a warm body.
  • thermally insulating composite systems are increasingly used in recent years, in which different layers are arranged one above the other, in order to achieve the highest possible thermal efficiency.
  • the invention has for its object to provide a thin if possible thermally insulating composite system with improved insulation performance available, the heat transfer by conduction, convection and radiation equally reduced.
  • first outer reflective layer having vapor permeable, water and airtight properties
  • first insulating layer having air and vapor permeable properties
  • a reflective intermediate layer which has vapor-permeable and air-permeable, preferably slightly air-permeable properties
  • a second insulating layer which has air and vapor-permeable properties
  • the intermediate layer is preferably arranged between the first and the second insulating layer.
  • the second outer layer is also reflective.
  • the invention is far superior to known systems.
  • At least one of the two outer layers reflects thermal radiation.
  • the outer layers advantageously comprise the first and the second insulating layer, which inhibit the heat conduction. It is important to ensure that the insulating layer (s) is preferably partially continuous for infrared wavelengths, as will be explained in more detail below.
  • the invention provides a waterproof overall open vapor system.
  • the reflective intermediate layer This is permeable to vapor and permeable to air, preferably slightly permeable to air, formed and differs in this respect from the outer layers.
  • the air permeability is set so that convection air flows are kept low in the overall system, but also allowed to a small extent, to ensure a better deduction of residual moisture.
  • the intermediate layer is microperforated.
  • a perforation can be produced particularly easily by introducing openings.
  • microporosity is a material property
  • microporosity Perforation is achieved by subsequent introduction of openings, preferably in films.
  • a microperforated layer has significant advantages over microporous layers. For one, it is more resistant and less sensitive than a microporous layer. Furthermore, it has a smoother surface and thus a better degree of reflection. In addition, the microperforated layer may be formed so that opposite to the microporous layer, a double-sided reflective surface can be achieved by metallization of only one side. This is possible if the layer to be metallized is a transparent film. Finally, microporous layers are generally airtight. In the invention, however, a (light) air permeability is desired.
  • the intermediate layer is a metallized film or a metal foil.
  • the film may be a highly transparent polymer or copolymer film which preferably has a weight of 10 g / m 2 to 35 g / m 2 , in particular about 20 g / m 2 .
  • the metallization is carried out by vapor deposition or sputtering. Other methods are thought bar.
  • the metal to be optionally applied is advantageously aluminum. In addition, other metals such as silver, copper, zinc or titanium are suitable.
  • the thickness of the layer is typically between 10 nm and 70 nm, preferably about 50 nm.
  • the perforation of the intermediate layer is formed by openings having a diameter between 0.05 mm and 2.0 mm, preferably between 0.2 mm and 0.8 mm, in particular about 0.5 mm, have.
  • a distance between the openings to each other between 0.5 mm and 2 mm, preferably between 1 mm and 1.5 mm.
  • a constant spacing of the openings is selected. In the context of the invention it is to arrange the openings nationwide.
  • An advantageous embodiment of the invention is characterized in that the surface portion of the openings is at least 10%, preferably between 14% and 16%. This optimally ensures the desired vapor permeability.
  • the vapor permeability of the intermediate layer is at least as large as that of the first or the second outer reflective layer.
  • the outer layers may have a known structure. In principle, it must be ensured that the outer layers are designed to be reflective on at least one side.
  • microporous layers which is vapor permeable in accordance with the spirit of the invention.
  • Such microporous layers are mechanically sensitive. Therefore, they are advantageously supported by a support structure, in particular by a spunbonded fabric or the like.
  • the support structure may be arranged on one or both sides of the microporous layer.
  • the weight of a suitable spunbonded membrane is advantageously between 10 g / m 2 and 200 g / m 2 , in particular between 20 g / m 2 and 150 g / m 2 .
  • a metallization is applied directly to the support structure.
  • a foil is applied to the support structure which is perforated and metallised.
  • the openings in the film preferably have a diameter between 0.05 mm and 2 mm.
  • the insulating layers serve, as already mentioned, to minimize the Kondutation.
  • An insulating material made of a polymer has proved to be advantageous. Such insulating materials additionally improve the tensile strength of the system.
  • the thickness of the insulating layer is freely selectable.
  • the composite system according to the invention permits, due to the excellent thermal efficiency, a particularly small thickness of the system compared with the prior art.
  • First experiments have shown that it is particularly advantageous if the insulating layers have different thicknesses, especially if the first insulating layer is designed as a support layer with lower density and / or thickness than the second insulating layer.
  • the purpose of the support layer is primarily to maintain a distance between the adjacent layers. Thermal insulation thus occurs in particular when the adjacent layers have reflecting surfaces.
  • the thickness of such an insulating layer designed as a supporting layer be between 2 mm and 20 mm, preferably between 6 mm and 10 mm, in particular approximately 8 mm.
  • the density of such an insulating layer is between 7 kg / m 3 and 16 kg / m 3 , in particular about 10 kg / m 3 .
  • the insulating layers designed as insulation expediently have a thickness of greater than 10 mm.
  • An insulating layer at least 12 mm thick is preferred.
  • the density is in each case preferably 15 kg / m 3 to 30 kg / m 3 , preferably 18 kg / m 3 .
  • An advantageous embodiment of the invention is characterized by at least two outer support layers and at least one inner insulating layer. Between the support layers are each arranged the intermediate layers. While the support layers serve primarily to keep the intermediate layer at a distance, the inner insulating layer acts as an insulating layer.
  • a further advantageous embodiment of the invention is characterized in that a denier layer designed as a support layer is formed by a polymer fiber mat which, prior to its integration into the composite system, has at least a majority of its area with openings, preferably with
  • the stretched ply is preferably joined to the adjacent ply on at least one side to prevent it from contracting to its original size once the product is cut to size during installation.
  • the basic system according to the invention consists of five layers, that is, two outer layers (each of which can be multi-layered), two Dämm harshen and an intermediate layer.
  • two outer layers each of which can be multi-layered
  • two Dämm harshen and an intermediate layer.
  • the first and second outer layers are joined together on at least two opposite sides of the surface. This is preferably done by Ultraschallverschwei- tion or eg by gluing. For this purpose, the first and / or the second outer layer is advantageously laterally over.
  • the intermediate layers can also survive with and be involved in the welding or bonding.
  • the first and / or the second outer layer is advantageously laterally over, over which the individual systems are connected overlapping each other.
  • the overlap is preferably a self-adhesive strip, which establishes a secure connection.
  • the connection is made by an additionally applied suitable adhesive tape.
  • Figure 1 is a schematic view of the basic structure of a first embodiment of the invention
  • Figure 2 shows a second embodiment of the composite system according to the invention
  • Figure 3 shows a third embodiment of the composite system according to the invention
  • FIG. 4 shows the connection of two composite systems according to the invention
  • Figure 5 shows the production of an insulating layer, in particular a support layer.
  • FIG. 1 shows the basic structure of the composite system according to the invention. This has from the outside to the inside the following layers: A first water and airtight, vapor-permeable reflective outer layer 1, a first insulating layer 2, which may be formed as a thin support layer, an intermediate layer 3 with vapor-permeable reflective and slightly air-permeable properties, a second Insulating layer 4 and a second water- and airtight, vapor-permeable reflective outer layer 5.
  • the first outer layer 1 and the second outer layer are (in the illustration on the left side) laterally over and are glued or welded together airtight.
  • FIG. 2 shows a second exemplary embodiment, in which in each case two thinner insulating layers 2 designed as supporting layers are provided. Inside is a thicker insulating insulation layer 4.
  • the support layers 2 have primarily the task of supporting the perforated intermediate layers 3, while the insulation layer provides for the insulation.
  • FIG. 3 differs from FIG. 2 in that three support sheaths 2 and three intermediate layers 3 are provided. Otherwise, the structure corresponds to the structure of Figure 2.
  • FIG. 4 shows the connection of two composite systems.
  • the outer layer 1 of the left-side composite system is laterally over and has on its underside a preferably integrated adhesive strip 7, which comes to the attachment to the plant on the top of the layer 1 of the right-side composite system.
  • FIG. 5 shows the production of an insulating layer, in particular a supporting layer.
  • the support layer is formed by a polymer fiber mat into which openings (slots) are introduced. Then the mat is stretched in the direction of the arrow, which widens the openings.
  • the invention is not limited to buildings. Rather, it can also be used, for example, in shipbuilding, in motor vehicle construction or in the clothing sector. It should also be pointed out that in each case a plurality of layers can be provided, in particular also a plurality of intermediate layers, wherein at least one intermediate layer within the scope of the inventive concept has to be reflective, vapor-permeable and air-permeable, preferably slightly air-permeable.

Landscapes

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

Abstract

L'invention concerne un système composite thermoisolant multicouche comportant au moins une première couche réfléchissante extérieure (1) ayant des propriétés de perméabilité à la vapeur et d'imperméabilité à l'eau et à l'air, une première couche d'isolation (2) ayant des propriétés de perméabilité à l'air et à la vapeur, une couche intermédiaire réfléchissante (3) ayant des propriétés de perméabilité à la vapeur et à l'air, et de faible perméabilité à l'air, une deuxième couche d'isolation (4) ayant des propriétés de perméabilité à l'air et à la vapeur, et une deuxième couche réfléchissante extérieure (5) ayant des propriétés de perméabilité à la vapeur et d'imperméabilité à l'eau et à l'air. Le système composite selon l'invention permet de réduire le transfert de chaleur par conduction, convection et rayonnement de façon identique, et présente un meilleur effet d'isolation par rapport à des solutions habituelles.
PCT/EP2008/000271 2007-01-16 2008-01-16 Système composite thermoisolant multicouche Ceased WO2008087011A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08701124A EP2126232A1 (fr) 2007-01-16 2008-01-16 Système composite thermoisolant multicouche

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007003136.1 2007-01-16
DE200710003136 DE102007003136B4 (de) 2007-01-16 2007-01-16 Mehrlagiges thermisch isolierendes Verbundsystem sowie Isolierung mit mehreren Verbundsystemen

Publications (1)

Publication Number Publication Date
WO2008087011A1 true WO2008087011A1 (fr) 2008-07-24

Family

ID=39495313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/000271 Ceased WO2008087011A1 (fr) 2007-01-16 2008-01-16 Système composite thermoisolant multicouche

Country Status (3)

Country Link
EP (1) EP2126232A1 (fr)
DE (1) DE102007003136B4 (fr)
WO (1) WO2008087011A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010100440A3 (fr) * 2009-03-06 2011-11-03 Hunt Technology Limited Isolation thermique multicouche perméable à la vapeur d'eau

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2934350B1 (fr) * 2008-07-23 2013-01-25 Kdb Isolation Isolant thermique reflechissant
FR2951477A1 (fr) * 2009-10-15 2011-04-22 Soprema Ecran souple de sous-toiture et revetement de sous-toiture forme a partir de cet ecran
US10160184B2 (en) * 2013-06-03 2018-12-25 Xefco Pty Ltd Insulated radiant barriers in apparel
AU2017207369A1 (en) * 2016-01-14 2018-08-02 Southern Mills, Inc. Improved flame resistant thermal liners and garments made with same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2388815A (en) * 2002-09-21 2003-11-26 Don & Low Ltd Improvements in and relating to liquid impermeable and liquid vapour/gas permeable fabrics
WO2006043092A1 (fr) * 2004-10-22 2006-04-27 Hunt Technology Limited Systeme d'isolation thermique multicouches

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135271A1 (de) * 1981-09-05 1983-03-24 Günter Dr.-Ing. 6903 Neckargemünd Pusch Ir-reflektierende, flexible materialbahn
DE10083517T1 (de) * 1999-10-21 2002-03-14 Hunt Tech Ltd Atmungsaktive Gebäudemembrane
EP1400348B2 (fr) * 2002-09-21 2011-04-27 Don & Low Limited Textile imperméable aux liquides et perméable aux vapeurs/gaz
GB2405415A (en) * 2003-08-29 2005-03-02 Knauf Insulation Ltd Encapsulated insulation with metallised polyethylene film having low emissivity
DE202004007543U1 (de) * 2004-05-07 2004-08-05 Wirz, Peter Abdichtungsbahn für Gebäude
EP1715111A1 (fr) * 2005-04-19 2006-10-25 Primero Schiefer GmbH Moyen d'isolation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2388815A (en) * 2002-09-21 2003-11-26 Don & Low Ltd Improvements in and relating to liquid impermeable and liquid vapour/gas permeable fabrics
WO2006043092A1 (fr) * 2004-10-22 2006-04-27 Hunt Technology Limited Systeme d'isolation thermique multicouches

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010100440A3 (fr) * 2009-03-06 2011-11-03 Hunt Technology Limited Isolation thermique multicouche perméable à la vapeur d'eau
US8728605B2 (en) 2009-03-06 2014-05-20 Hunt Technology Limited Water vapor permeable multi-layer thermal insulation

Also Published As

Publication number Publication date
DE102007003136A1 (de) 2008-07-17
DE102007003136B4 (de) 2013-06-06
EP2126232A1 (fr) 2009-12-02

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