EP2694164A1 - Revetement de protection anti-feu et procede d'application - Google Patents
Revetement de protection anti-feu et procede d'applicationInfo
- Publication number
- EP2694164A1 EP2694164A1 EP11754699.4A EP11754699A EP2694164A1 EP 2694164 A1 EP2694164 A1 EP 2694164A1 EP 11754699 A EP11754699 A EP 11754699A EP 2694164 A1 EP2694164 A1 EP 2694164A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- refractory
- fibrous
- glue
- fibrous layers
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249982—With component specified as adhesive or bonding agent
Definitions
- the present invention relates to fire protection plant protection techniques.
- Active protection techniques are distinguished, in which detectors are used to detect fire conditions in order to trigger a response by active elements, and the passive protection techniques to which the present invention more particularly relates.
- Fire-resistant coatings are used to implement passive protection techniques.
- a remarkable coating has been the subject of patent EP 0 612 540. It is a flexible coating comprising a complex of fibrous elements and / or textiles, in particular based on mineral wool, assembled by gluing.
- the adhesive used is an active refractory adhesive having a temperature resistance up to about 1300 ° C and incorporating active components or additives containing chemically bonded water, and stable at temperatures below about 80 ° C. Aluminosilicates are typically employed in such adhesives.
- the passive coating delays the propagation of heat between a hot side, by which it is likely to be reached by an accidental fire, and a cold side to the protected installation.
- the delay effect is largely due to the release of water molecules by the glue when the temperature rises.
- the water absorbs heat by vaporizing, which results in a plateau at 100 ° C in the temperature-increasing curve of the cold side as a function of time.
- a fire protection coating comprising:
- the glue comprising active elements capable of releasing water during a rise in temperature; and in at least one layer of refractory glue, a vapor-permeable support extending parallel to the fibrous layers and impregnated with the refractory glue.
- the vapor permeable support retains the refractory glue by preventing it from sinking in the application phase. In case of fire, it does not disturb the diffusion of the vaporized water, which improves the efficiency of the coating by achieving better penetration into the fibrous layers regardless of their density.
- a preferred density value is substantially 150 kg / m 3 .
- These fibrous layers made denser may have decreased thickness, up to values less than 30 mm, the thicknesses commonly used so far being rather of the order of 38 mm. These arrangements advantageously reduce the size of the fire protection coating without sacrificing the performance of it.
- the vapor permeable support promotes an impregnation of glue which prevents damage to the fibrous layers. It is preferably made of non-combustible material (Euroclass A1), which may comprise a refractory fiber fabric, typically a glass fabric.
- Euroclass A1 non-combustible material
- Another aspect of the present invention relates to a method of applying a fire protection coating, comprising the following steps:
- the refractory adhesive layer incorporating a vapor-permeable support extending parallel to the first fibrous layer and impregnated with the refractory glue; and - Have at least a second fibrous layer over the refractory glue layer.
- the vapor permeable support is bonded to the first fibrous layer before disposing the first fibrous layer on the element to be protected.
- the support then contributes to the cohesion of the first fibrous layer when it is put in place on the element to be protected. This reduces the risk of the fibrous layer tearing, especially in areas where it must follow a relatively strong curvature.
- the fire protection coating comprises two superimposed fibrous layers 1, 2, made of needle-punched mineral wool or other suitable fibrous refractory material.
- the fibrous layers 1, 2 may optionally contain in their thickness particles contributing to curb the propagation of heat.
- These fibrous layers 1, 2 cover an element 3 to protect against the risk of fire, such as for example a cable tray or pipes, a cabinet or electrical cabinet, control organs, transmission, etc..
- a refractory adhesive is incorporated in the fireproof coating, in particular in the form of a layer 4 placed between the two fibrous layers 1, 2.
- the glue used comprises elements active agents that release water when the temperature rises, for example above 80 ° C. By vaporizing at 100 ° C, this water slows the heat propagation from the (warm) outside of the coating to its (cold) interior.
- active F. glue based on metal oxide hydrates.
- the refractory adhesive layer 4 is a two-dimensional vapor permeable support 5.
- a suitable material for this support 5 is a fiberglass fabric since such a fabric is relatively inexpensive while presenting the desired properties, in particular a good ability to be impregnated by the refractory glue and a good ability to let the water vapor released when the temperature of the coating rises. It is also an incombustible material (Euroclass A1), which does not contribute to fire in case of fire.
- the fabric 5 impregnates and retains the refractory glue during its application, which ensures a satisfactory distribution of the glue on the extent of the coating. It thus makes it possible to increase the quantity of adhesive placed between the fibrous layers 1, 2, and therefore to improve the performance of the fireproof coating.
- the vapor-permeable support 5 tends to avoid inhomogeneities in the distribution of the refractory glue, particularly where the layer 4 extends vertically. This function is provided during the laying of the coating, but also after the glue is taken, the coating may be subject to vibration.
- the fireproof coating may comprise on its outer face an envelope 6 ensuring its sealing.
- This envelope 6 is for example made from a mineral fiber fabric impregnated with a flame retardant elastomer.
- the fireproof coating on an element to be protected 3 For laying the fireproof coating on an element to be protected 3, one can for example proceed as follows. At first, the first fibrous layer 1 is spread on the floor or another working surface, and F.active adhesive is applied to its outer face and then the glass cloth 5 is impregnated by glue.
- the element 3 is glued with F.active glue or another suitable adhesive 7, and then there is the first fibrous layer 1.
- F.active glue or another suitable adhesive 7 After the laying of this first fibrous layer 1, one spreads again active glue F. on its outer face to complete the layer 4, then comes to dispose the second fibrous layer 2 over the layer of refractory glue 4. If necessary, ropes can be placed around the fibrous layer to maintain the assembly.
- the sealing envelope 6 is bonded to the second fibrous layer 2 with the aid of a suitable adhesive 8.
- the layers can be implemented successively with, for each layer except the last, a glass cloth 5 pre-glued on its outer face. It is also possible to set up the glass fabric 5 on the fibrous layer 1 after the bonding thereof on the element to be protected 3. It is however preferable to apply the fabric 5 on the fibrous layer 1 prior to the installation thereof, because it reduces the risk of tearing of the fibrous layer 1 through the pre-bonded fabric.
- Another aspect of the invention which the presence of the support 5 permeable to the steam allows to promote, relates to an increase in the density of the fibrous layers 1, 2. This density may in particular exceed the value of 140 kg / m 3 .
- the density value is for example 160 kg / m 3 or, in an interesting compromise, about 150 kg / m 3 .
- the thickness of the fibrous layers 1, 2 can be made less than 30 mm. A possible value for this thickness is 25 mm. If we compare the use of fibrous layers 1, 2 of density 150 kg / m 3 and thickness 25 mm to that of conventional layers of density 125 kg / m 3 and thickness 38 mm, we see that the thickness each layer is reduced by 34.2%, while the overall weight of the mineral wool in the fireproof coating and reduced by 21, 1%.
- the dimensioning envisaged is also advantageous in terms of weight, which is of course desirable, including from the point of view of requirements to be met in case of earthquake.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI201132031T SI2694164T1 (sl) | 2011-04-01 | 2011-07-18 | Ognjevarna zaščitna prevleka in postopek nanašanja |
| PL11754699T PL2694164T3 (pl) | 2011-04-01 | 2011-07-18 | Powłoka ochrony przeciwpożarowej oraz sposób nakładania |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1152802A FR2973252B1 (fr) | 2011-04-01 | 2011-04-01 | Revetement de protecton anti-feu et procede d'application |
| PCT/FR2011/051718 WO2012131179A1 (fr) | 2011-04-01 | 2011-07-18 | Revetement de protection anti-feu et procede d'application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2694164A1 true EP2694164A1 (fr) | 2014-02-12 |
| EP2694164B1 EP2694164B1 (fr) | 2021-10-20 |
Family
ID=44584246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11754699.4A Active EP2694164B1 (fr) | 2011-04-01 | 2011-07-18 | Revetement de protection anti-feu et procede d'application |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20140023850A1 (fr) |
| EP (1) | EP2694164B1 (fr) |
| KR (1) | KR20140033359A (fr) |
| CN (1) | CN103635235B (fr) |
| ES (1) | ES2902635T3 (fr) |
| FR (1) | FR2973252B1 (fr) |
| HU (1) | HUE057599T2 (fr) |
| PL (1) | PL2694164T3 (fr) |
| SI (1) | SI2694164T1 (fr) |
| WO (1) | WO2012131179A1 (fr) |
| ZA (1) | ZA201307555B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3144920A1 (fr) | 2023-01-16 | 2024-07-19 | Elkem Silicones France Sas | Dispositif de protection passive contre l’incendie comprenant une mousse silicone |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3010480B1 (fr) * | 2013-05-22 | 2016-02-12 | Soletanche Freyssinet | Procede de pose d'une garniture de protection thermique |
| EP2865933B1 (fr) * | 2013-10-25 | 2018-08-22 | Soletanche Freyssinet | Procédé de pose d'une garniture de protection thermique |
| NL1041587B1 (en) * | 2015-11-23 | 2017-06-30 | Beele Eng Bv | A layer of mineral wool provided with a sprayed-on protective layer. |
| FR3101552B1 (fr) | 2019-10-03 | 2023-08-25 | Soletanche Freyssinet | Couverture intumescente de protection au feu |
| EP4006402B1 (fr) | 2020-11-26 | 2024-09-18 | Soletanche Freyssinet | Revetement de protection au feu |
| EP4260914B1 (fr) | 2022-04-11 | 2025-09-03 | Soletanche Freyssinet | Dispositif de protection au feu |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600634A (en) * | 1983-07-21 | 1986-07-15 | Minnesota Mining And Manufacturing Company | Flexible fibrous endothermic sheet material for fire protection |
| FR2701850B1 (fr) * | 1993-02-26 | 1995-05-19 | Mecatiss | Dispositif souple ayant des propriétés coupe-feu. |
| FR2732897B1 (fr) * | 1995-04-11 | 1997-07-04 | Mecanique Applic Tissus Mecatiss | Dispositif souple ayant des proprietes coupe-feu |
| CA2673611C (fr) * | 2007-01-08 | 2017-01-24 | Unifrax I Llc | Film stratife pare-feu |
| FR2925343B1 (fr) * | 2007-12-19 | 2010-01-15 | Freyssinet | Matelas pour protection au feu, procede associe. |
| KR20100106615A (ko) * | 2008-02-08 | 2010-10-01 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 접착 표면을 가진 다층 팽창성 방화 장벽 |
-
2011
- 2011-04-01 FR FR1152802A patent/FR2973252B1/fr active Active
- 2011-07-18 SI SI201132031T patent/SI2694164T1/sl unknown
- 2011-07-18 EP EP11754699.4A patent/EP2694164B1/fr active Active
- 2011-07-18 US US14/008,515 patent/US20140023850A1/en not_active Abandoned
- 2011-07-18 CN CN201180069947.2A patent/CN103635235B/zh not_active Expired - Fee Related
- 2011-07-18 KR KR20137028382A patent/KR20140033359A/ko not_active Ceased
- 2011-07-18 PL PL11754699T patent/PL2694164T3/pl unknown
- 2011-07-18 WO PCT/FR2011/051718 patent/WO2012131179A1/fr not_active Ceased
- 2011-07-18 HU HUE11754699A patent/HUE057599T2/hu unknown
- 2011-07-18 ES ES11754699T patent/ES2902635T3/es active Active
-
2013
- 2013-10-10 ZA ZA2013/07555A patent/ZA201307555B/en unknown
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2012131179A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3144920A1 (fr) | 2023-01-16 | 2024-07-19 | Elkem Silicones France Sas | Dispositif de protection passive contre l’incendie comprenant une mousse silicone |
| WO2024153869A1 (fr) | 2023-01-16 | 2024-07-25 | Elkem Silicones France Sas | Dispositif de protection passive contre l'incendie comprenant une mousse silicone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103635235B (zh) | 2018-10-26 |
| ES2902635T3 (es) | 2022-03-29 |
| CN103635235A (zh) | 2014-03-12 |
| HUE057599T2 (hu) | 2022-05-28 |
| FR2973252B1 (fr) | 2013-11-01 |
| EP2694164B1 (fr) | 2021-10-20 |
| SI2694164T1 (sl) | 2022-04-29 |
| PL2694164T3 (pl) | 2022-02-14 |
| FR2973252A1 (fr) | 2012-10-05 |
| KR20140033359A (ko) | 2014-03-18 |
| WO2012131179A1 (fr) | 2012-10-04 |
| ZA201307555B (en) | 2015-01-28 |
| US20140023850A1 (en) | 2014-01-23 |
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