EP1609922B1 - Verbundplatte aus Dämmstoffmaterial, Verfahren zur deren Herstellung und Wand, Fassade und Dachkonstruktion - Google Patents

Verbundplatte aus Dämmstoffmaterial, Verfahren zur deren Herstellung und Wand, Fassade und Dachkonstruktion Download PDF

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Publication number
EP1609922B1
EP1609922B1 EP05076290A EP05076290A EP1609922B1 EP 1609922 B1 EP1609922 B1 EP 1609922B1 EP 05076290 A EP05076290 A EP 05076290A EP 05076290 A EP05076290 A EP 05076290A EP 1609922 B1 EP1609922 B1 EP 1609922B1
Authority
EP
European Patent Office
Prior art keywords
insulation material
layer
graphite
base layer
present
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.)
Not-in-force
Application number
EP05076290A
Other languages
English (en)
French (fr)
Other versions
EP1609922A1 (de
Inventor
Josephus Joannes Henricus Van Bergen
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.)
Opstalan BV
Original Assignee
Opstalan BV
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Filing date
Publication date
Application filed by Opstalan BV filed Critical Opstalan BV
Publication of EP1609922A1 publication Critical patent/EP1609922A1/de
Application granted granted Critical
Publication of EP1609922B1 publication Critical patent/EP1609922B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • 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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire

Definitions

  • the present invention relates to a compound plate-shaped insulation material comprising a base layer and a layer of insulation material present thereon, which base layer may be provided with ribs in the longitudinal direction thereof, between which ribs the insulation material is present.
  • the present invention furthermore relates to a method for producing a compound plate-shaped material, as well as to a wall, facade and roof construction provided with insulation material.
  • an insulation panel comprising a hard-foam thermally insulating layer sandwiched between a rigid base part, e.g. a metal panel or gypsum board, and a back part, e.g. an aluminium foil.
  • a rigid base part e.g. a metal panel or gypsum board
  • a back part e.g. an aluminium foil.
  • Polyisocyanurate is mentioned as the hard foam.
  • a certain amount of ground graphite is contacted with a mixture of concentrated sulphuric acid and hydrogen peroxide, after which the whole is dried and processed as a coating.
  • a rigid panel comprising a plate having a thickness of about 10 mm, on which a fabric layer of graphite and/or carbon is present, which is in turn provided with a layer of a polystyrene insulation material, on which polystyrene layer a thin layer having a thickness of 3 mm is present, which is finished with a top coat.
  • British patent application GB 2 357 111 relates to a fire door or partition wall, in which a rigid polyurethane foam is used as the insulation material, which foam comprises graphite in an amount of 10-75 wt.%.
  • Another object of the present invention is to provide a compound plate-shaped material which, in addition to the aforesaid properties, exhibits a high fire resistance in combination with a favourable smoke behaviour.
  • Yet another object of the present invention is to provide a compound plate-shaped material designed to minimise the propagation of fire into the insulation material in case of a fire.
  • the invention is according to the present invention characterized in that the graphite having an average particle size of 0.2-2 mm is present mainly in an upper layer of the insulation material, which upper layer can be considered to be a layer remote from the base layer, wherein the base layer has a thickness of 0-70%, based on the total thickness of the layer of insulation material.
  • compound plate-shaped insulation material is to be understood to mean: single-shell roof and facade elements to be described hereinafter and sandwiched roof and facade elements to be described hereinafter, in particular the insulation elements that are known from Dutch patents NL 1009801 , NL 1015351 and NL 1009885 .
  • the graphite used in the present compound plate-shaped insulation material is a granular graphite having an average particle size of 0.2-2 mm. If graphite particles having a particle size of less than 0.1 mm are used, a very large amount of graphite is needed to obtain a satisfactory fire and smoke behaviour, whilst a particle size of more than 3 mm will cause problems in forming the required carbon shield, which shield protects the insulation material against further combustion. In addition to this it can be mentioned that graphite particles having a particle size of 0.2-2 mm will form a slightly dense layer in the insulation material, so that such grains only need to exhibit a low degree of "swelling" in order to form a closed carbon shield, as a result of which the required fire resistance is reached sooner. The present inventors have found that when the temperature is further increased, the larger grains in the aforesaid range will build up a somewhat heavy carbon shield and cross-link in the already activated smaller grains.
  • the graphite may be spread through the insulation material, wherein the graphite is present mainly in an upper layer of the insulation material, which upper layer can be considered to be a layer remote from the base layer, having a thickness of 0-70%, in particular 0-40%, more in particular 0-10%, based on the total thickness of the layer of insulation material.
  • the term "substantially” is understood to mean at least 50%, in particular at least 70%, more in particular at least 90% of the total amount of graphite.
  • the graphite grains are incorporated in the compound plate-shaped insulation material at a location where the fire load is to be expected, viz. mainly on the side of the compound plate-shaped insulation material that is used on the inner side of the construction, viz. the building, the shed, the hall and the like.
  • the graphite mainly in the upper layer which, if designed to have a thickness of 0-10%, will provide a satisfactory result as regards improving the fire and smoke behaviour, with the graphite particles cross-linking in the insulation material.
  • the carbon shield thus formed protects the underlying insulation material against fire, with a further increase of the temperature forcing the underlying graphite to cross-link and the carbon shield thus created forming a new barrier against fire penetrating and harmful smoke being formed.
  • the graphite that is used in the present compound plate-shaped insulation material has been pre-treated with an acid, for example nitric acid. Washing with an acid has a positive influence on the required swelling effect of graphite, so that the carbon shield will be formed when the graphite particles are exposed to a temperature increase, for example caused by fire.
  • an acid for example nitric acid.
  • the insulation material that is used in the present invention can be selected from the group consisting of PU, PIR, EPS and mineral wool.
  • Chipboard, plywood and OSB are suitable materials for the base layer, on which a number of longitudinal ribs may be mounted, for example by glueing, as is known from Dutch patent No. 1009801 , or ribs may be provided first, whereupon a foam layer is applied to the base layer, as is known from Dutch patent No. 1015351 .
  • the present invention also relates to a method for producing a compound plate-shaped insulation material comprising a base layer and a layer of insulation material present thereon, which method comprises the following steps:
  • the graphite as used in a slurry according to step ii) has been pre-treated with an acid, and preferably the acid-treated graphite is washed and dried before being worked into a slurry according to step ii).
  • Different amounts of graphite may be used in the slurry, with the graphite being spread over the entire thickness of the insulation material.
  • step iii) is preferably carried out in such a manner that the graphite is distributed over the insulation material.
  • the graphite is present mainly in an upper layer of the insulation material, which upper layer can be considered to be a layer remote from the base layer, with step iii) being carried out in such a manner that the upper layer is provided in a thickness of 0-70%, in particular a 0-40%, more in particular 0-10%.
  • step ii) in which the graphite grains are incorporated in the insulation material by means of the so-called slurry system, takes place by making use of computer-controlled recipes, wherein the amount and the position of the graphite grains are determined for varying insulation material thicknesses.
  • the present invention further relates to a wall, facade and/or roof construction comprising one or more compound plates of insulation material as described above.
  • Single-shell roof and facade elements comprise a baseplate or base layer material consisting of chipboard, plywood, OSB or other plate materials, in which and/or on which a number of longitudinal ribs are mounted, for example by glueing, and on which an insulation material is present.
  • Sandwiched roof and facade elements consist of two plate materials with an insulation material present therebetween, which may be provided with wooden ribs on both longitudinal sides thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Claims (10)

  1. Plattenförmiger Verbunddämmstoff mit einer Basisschicht und einer Schicht aus Schaumstoff als darauf vorhandener Dämmstoff, wobei die Basisschicht in ihrer Längsrichtung mit Rippen versehen ist, zwischen denen sich der Dämmstoff befindet,
    dadurch gekennzeichnet, dass
    in dem Dämmstoff körniger Graphit vorhanden ist,
    wobei der Graphit, der eine durchschnittliche Korngröße von 0,2 - 2 mm hat, hauptsächlich in einer oberen Schicht des Dämmstoffs vorhanden ist, wobei die obere Schicht als eine von der Basisschicht entfernt gelegene Schicht betrachtet werden kann, wobei die Basisschicht, bezogen auf die Gesamtstärke der Schicht aus Dämmstoff, eine Stärke von 0 - 70% aufweist.
  2. Plattenförmiger Verbunddämmstoff nach Anspruch 1, dadurch gekennzeichnet, dass die Basisschicht, bezogen auf die Gesamtstärke der Schicht aus Dämmstoff, eine Stärke von 0 - 40% aufweist.
  3. Plattenförmiger Verbunddämmstoff nach Anspruch 1, dadurch gekennzeichnet, dass die Basisschicht, bezogen auf die Gesamtstärke der Schicht aus Dämmstoff, eine Stärke von 0-10% aufweist.
  4. Plattenförmiger Verbunddämmstoff nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Graphit mit einer Säure vorbehandelt worden ist.
  5. Verfahren zur Herstellung eines plattenförmigen Verbunddämmstoffs mit einer Basisschicht und einer darauf vorhandenen Schicht aus Dämmstoff,
    dadurch gekennzeichnet, dass das Verfahren die folgenden Schritte umfasst:
    i) ein Basisschichtmaterial wird bereitgestellt,
    ii) auf das Basisschichtmaterial wird eine Aufschlämmung aus Graphit und Dämmstoff aufgebracht, und
    iii) die Aufschlämmung aus Schritt ii) wird in einen Schaumstoff umgesetzt,
    wobei Schritt iii) so ausgeführt wird, dass der Graphit, der eine durchschnittliche Korngröße von 0,2 - 2 mm hat, hauptsächlich in einer oberen Schicht des Dämmstoffs vorhanden ist, wobei die obere Schicht als eine von der Basisschicht entfernt gelegene Schicht betrachtet werden kann, wobei die Basisschicht, bezogen auf die Gesamtstärke der Schicht aus Dämmstoff, eine Stärke von 0 - 70% aufweist.
  6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass der in einer Aufschlämmung nach Schritt ii) verwendete Graphit mit einer Säure vorbehandelt worden ist.
  7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass der säurebehandelte Graphit gewaschen und getrocknet wird, bevor er in eine Aufschlämmung nach Schritt ii) eingearbeitet wird.
  8. Dachkonstruktion mit mindestens einer Verbundplatte aus Dämmstoffen nach mindestens einem der Ansprüche 1 - 4.
  9. Wandkonstruktion mit mindestens einer Verbundplatte aus Dämmstoffen nach mindestens einem der Ansprüche 1 - 4.
  10. Fassadenkonstruktion mit mindestens einer Verbundplatte aus Dämmstoffen nach mindestens einem der Ansprüche 1 - 4.
EP05076290A 2004-06-04 2005-06-02 Verbundplatte aus Dämmstoffmaterial, Verfahren zur deren Herstellung und Wand, Fassade und Dachkonstruktion Not-in-force EP1609922B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1026339A NL1026339C2 (nl) 2004-06-04 2004-06-04 Samengesteld plaatvormig isolatiemateriaal, werkwijze ter vervaardiging daarvan alsmede een wand-, gevel- en dakconstructie.
NL1026339 2004-06-04

Publications (2)

Publication Number Publication Date
EP1609922A1 EP1609922A1 (de) 2005-12-28
EP1609922B1 true EP1609922B1 (de) 2009-08-12

Family

ID=34973985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05076290A Not-in-force EP1609922B1 (de) 2004-06-04 2005-06-02 Verbundplatte aus Dämmstoffmaterial, Verfahren zur deren Herstellung und Wand, Fassade und Dachkonstruktion

Country Status (4)

Country Link
EP (1) EP1609922B1 (de)
AT (1) ATE439484T1 (de)
DE (1) DE602005015916D1 (de)
NL (1) NL1026339C2 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553084A1 (fr) * 1983-10-07 1985-04-12 Commissariat Energie Atomique Materiau extincteur d'incendie, utilisable notamment comme mortier de revetement, extincteur des feux de sodium
JPH02209229A (ja) * 1989-02-10 1990-08-20 M D Kasei Kk 断熱複合パネル
NL9000797A (nl) * 1990-04-05 1991-11-01 Cornelis Adrianus Petrus Van O Sandwich-combi-dakelement.
US5443894A (en) * 1994-07-29 1995-08-22 Ucar Carbon Technology Corporation Fire retardant oriented strand board structure element
FR2764679A1 (fr) * 1997-06-17 1998-12-18 Lmca Les Materiaux Composites Panneau rigide chauffant
GB2357111B (en) * 1999-12-10 2003-04-23 Environmental Seals Ltd Fire resistant structures

Also Published As

Publication number Publication date
NL1026339C2 (nl) 2005-12-06
ATE439484T1 (de) 2009-08-15
EP1609922A1 (de) 2005-12-28
DE602005015916D1 (de) 2009-09-24

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