CN216443234U - High flame retardant polyurethane plate - Google Patents
High flame retardant polyurethane plate Download PDFInfo
- Publication number
- CN216443234U CN216443234U CN202122776664.5U CN202122776664U CN216443234U CN 216443234 U CN216443234 U CN 216443234U CN 202122776664 U CN202122776664 U CN 202122776664U CN 216443234 U CN216443234 U CN 216443234U
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- layer
- dry powder
- flame retardant
- board
- polyurethane
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 108
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 67
- 239000004814 polyurethane Substances 0.000 title claims abstract description 67
- 239000011248 coating agent Substances 0.000 claims abstract description 28
- 238000000576 coating method Methods 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims description 84
- 239000000565 sealant Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004566 building material Substances 0.000 abstract description 2
- 229910002114 biscuit porcelain Inorganic materials 0.000 abstract 2
- 238000009413 insulation Methods 0.000 description 11
- 230000002265 prevention Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Building Environments (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to a high flame retardant polyurethane board belongs to building material's technical field, and it includes the polyurethane board, the polyurethane board includes board shell and board lid, set up the cavity in the board shell, set gradually dry bisque, flame retardant coating and fire-retardant layer by the inside orientation self open-ended direction of cavity in the cavity, a plurality of holes have been seted up on the flame retardant coating, and dry bisque fills up all holes, the board lid sets firmly on the board shell and with the cavity shutoff. The polyurethane plate has the advantages that the flame retardant property of the polyurethane plate is improved, and the effects of casualties and property loss possibly caused after fire is reduced.
Description
Technical Field
The application relates to the technical field of building materials, in particular to a high-flame-retardant polyurethane plate.
Background
The polyurethane board is a polyurethane sandwich board which is completely made of polyurethane or formed by compounding polyurethane and a color steel plate, is mainly used for an external thermal insulation system of industrial and civil buildings, and becomes a product system which is most widely used by polyurethane.
The existing polyurethane plate comprises a body made of polyurethane, wherein the polyurethane can be divided into soft polyurethane, hard polyurethane and elastomer polyurethane, the polyurethane plate is mostly made of hard polyurethane materials, and the hard polyurethane materials have the characteristics of sound insulation, excellent heat insulation performance, chemical resistance, good electrical property, easy processing and the like, and are mainly applied to the fields of buildings, automobiles, aviation industry and the like.
In view of the above-mentioned related arts, the inventors of the present invention have considered that there is a disadvantage that the existing polyurethane boards have low flame retardant property, such as being liable to cause unnecessary casualties and property loss if a fire breaks out.
SUMMERY OF THE UTILITY MODEL
In order to improve the flame retardant property of the polyurethane plate and reduce casualties and property loss which can be caused after fire, the application provides the high flame retardant polyurethane plate.
The application provides a high flame-retardant polyurethane plate which adopts the following technical scheme:
the utility model provides a high fire-retardant polyurethane board, includes the polyurethane board, the polyurethane board includes board shell and board lid, seted up the cavity in the board shell, set gradually dry powder layer, flame retardant coating and fire-retardant layer by the inside orientation of self open-ended of cavity in the cavity, a plurality of holes have been seted up on the flame retardant coating, and dry powder layer fills up all holes, the board lid sets firmly on the board shell and with the cavity shutoff.
Through adopting above-mentioned technical scheme, during the installation polyurethane board, the slab cover is towards indoor direction, when indoor unfortunate is on fire, the flame ignites the slab cover and contacts fire-retardant layer, fire-retardant layer is fire-retardant to the flame, after too big so that fire-retardant layer burns out when the intensity of a fire, the flame fires to the flame retardant coating, the flame retardant coating blocks the flame, intraformational dry powder of dry powder passes the flame retardant coating and extinguishes the flame, the flame retardant property of polyurethane board has been improved, and then the casualties and the loss of property that probably cause after having reduced to fire.
Optionally, the middle part of cavity is equipped with the insulating layer, and fire-retardant layer, flame retardant coating, dry powder layer all respectively have two, and every fire-retardant layer, flame retardant coating, dry powder layer are a set of, the insulating layer just respectively has a set ofly to the both sides of keeping away from the board lid with keeping away from, and every group is fire-retardant layer, flame retardant coating, dry powder layer in proper order by keeping away from to being close to the order of arranging of insulating layer.
Through adopting above-mentioned technical scheme, when installing the polyurethane board, the board lid and board shell all can be towards indoor direction, have realized the flame retardant efficiency of polyurethane board to the room of self both sides, and the insulating layer has reduced the heat transmission in the conflagration room, reduces the injury that brings adjacent room.
Optionally, the dry powder layer is arranged in a full space, a plurality of elastic sleeves and dry powder wrapped in the elastic sleeves are arranged in the dry powder layer, the dry powder is located in the elastic sleeves, holes formed in the fireproof layer are communicated with the elastic sleeves, and pushing assemblies used for extruding the elastic sleeves towards the fireproof layer are arranged in the dry powder layer.
Through adopting above-mentioned technical scheme, after the flame will fire-retardant layer burn out, the dry powder and the air intercommunication of dry powder layer and flame retardant coating department of being linked together, promote the subassembly and promote the direction extrusion of elastic sleeve towards the flame retardant coating, the dry powder in the elastic sleeve passes the flame retardant coating and extinguishes the flame in the room, the elasticity speciality of elastic sleeve has improved the volume that holds of dry powder in the cavity, when dry powder was discharged simultaneously, the elastic sleeve deformation was in order to resume natural form, the discharge efficiency of dry powder has been improved, the flame retardant efficiency of polyurethane board has further been improved.
Optionally, the pushing assembly comprises a pushing plate and a pushing spring, the pushing plate is slidably connected in the dry powder layer and located on one side of the elastic sleeve away from the fireproof layer, and the pushing spring is fixedly arranged in the dry powder layer and fixedly connected with the pushing plate; when the dry powder is positioned in the elastic sleeve, the pushing spring is in a deformation state.
Through adopting above-mentioned technical scheme, when the dry powder contact air of dry powder layer and flame retardant coating department of being linked together, promote the direction motion that the spring drove the slurcam towards the flame retardant coating, realized the auto-eject of dry powder when the intensity of a fire is too big, and then improved the fire extinguishing efficiency on dry powder layer.
Optionally, a space is left between the periphery of the push plate and the inner wall of the dry powder layer.
Through adopting above-mentioned technical scheme, the interval between slurcam and the dry powder layer inner wall has reduced the friction between the slurcam when moving and the dry powder layer inner wall, and then has improved the motion efficiency of slurcam.
Optionally, a combustible layer is arranged between the flame-retardant layer and the fire-retardant layer.
Through adopting above-mentioned technical scheme, the shutoff is carried out the dry powder to combustible layer, and when the flame burnt out the fire-retardant layer, the flame contacted with combustible layer, and combustible layer burning has improved the speed of dry powder with the air contact, and then has improved the spraying efficiency of dry powder.
Optionally, a screw rod is inserted into the cavity, and the dry powder layer, the fireproof layer and the flame-retardant layer are all in threaded connection with the screw rod.
Through adopting above-mentioned technical scheme, the structure of screw rod in with the cavity is fixed, and screw thread on the screw rod has improved dry powder layer, flame retardant coating and fire-retardant layer installation stability, has reduced the probability that the rear cavity inner structure breaks away from by the cavity after catching a fire, and then has guaranteed the flame retardant efficiency of polyurethane board.
Optionally, two ends of the screw are arranged in a hemispherical shape.
Through adopting above-mentioned technical scheme, the structure in the cavity is fixed to the screw rod, has reduced the probability that the rear cavity inner structure breaks away from by the cavity after catching fire, and then has guaranteed the flame retardant efficiency of polyurethane board.
Optionally, a fireproof sealant is arranged at the joint of the plate cover and the plate shell.
Through adopting above-mentioned technical scheme, fire prevention is sealed gluey to want the junction to carry out the fire prevention to board lid and board shell and is sealed, has improved the fire prevention leakproofness of polyurethane board.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a fire breaks out, the flame-retardant layer retards the flame, the flame-retardant layer stops the flame after the flame-retardant layer is burnt out, and dry powder in the dry powder layer penetrates through the flame-retardant layer and extinguishes the flame, so that the flame-retardant property of the polyurethane board is improved, and casualties and property loss possibly caused after the fire breaks out are reduced;
2. the pushing assembly pushes the elastic sleeve to extrude towards the direction of the fireproof layer, and dry powder in the elastic sleeve penetrates through the fireproof layer and extinguishes flame in a room, so that the flame retardant effect of the polyurethane plate is further improved;
3. the pushing spring drives the pushing plate to move towards the fire-proof layer, so that the dry powder can be automatically ejected out when the fire is too large, and the fire extinguishing efficiency of the dry powder layer is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
fig. 2 is a cross-sectional view of an embodiment of the present application.
In the figure, 1, a polyurethane plate; 11. a plate shell; 111. a cavity; 12. a plate cover; 13. fireproof sealant; 2. a thermal insulation layer; 3. a dry powder layer; 31. dry powder; 32. an elastic sleeve; 4. a fire barrier layer; 5. a combustible layer; 6. a flame retardant layer; 7. a pushing assembly; 71. a push plate; 72. a push spring; 8. a screw.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a high flame retardant polyurethane plate.
Referring to fig. 1 and 2, a high flame retardant polyurethane plate includes a polyurethane plate 1, the polyurethane plate 1 includes a plate shell 11 having a cavity 111 and a plate cover 12 fixedly disposed on one side of the plate shell 11 having the cavity 111, a flame retardant coating is coated on an outer wall of the polyurethane plate 1, the flame retardant coating may be a phosphate adhesive, and a fixing manner between the plate cover 12 and the plate shell 11 is a fireproof sealant 13, so as to improve flame retardant performance of the polyurethane plate 1.
Referring to fig. 2, a heat insulation layer 2 is fixedly arranged in a cavity 111, two sides of the heat insulation layer 2 respectively face an opening of the cavity 111 and an inner bottom wall of the cavity 111, a dry powder layer 3, a fire prevention layer 4, a combustible layer 5 and a flame retardant layer 6 are sequentially arranged in the cavity 111 from the opening of the cavity 111 to the direction of the heat insulation layer 2, the dry powder layer 3, the fire prevention layer 4, the combustible layer 5 and the flame retardant layer 6 are also sequentially arranged from the heat insulation layer 2 to the inner bottom wall of the cavity 111, dry powder 31 for extinguishing fire is stored in the dry powder layer 3, the dry powder layer 3 is communicated with the fire prevention layer 4, and the dry powder 31 penetrates through the fire prevention layer 4 from the communication position of the dry powder layer and the fire prevention layer 5 and is blocked by the combustible layer 5; the cavity 111 is internally provided with a screw 8 with two hemispherical ends in the direction from the inner bottom wall of the cavity 111 to the opening of the cavity 111, and the heat insulation layer 2, the dry powder layer 3, the fireproof layer 4, the combustible layer 5 and the flame retardant layer 6 are all in threaded connection with the screw 8.
When the polyurethane plate 1 is installed in any room on two sides and the fire happens carelessly, the flame-retardant coating can be used for flame-retarding the flame, when the fire is large and the flame-retardant coating is burnt out, the flame is burnt to the polyurethane plate 1 and is contacted with the flame-retardant layer 6, the flame-retardant layer 6 can be used for flame-retarding the flame, when the fire is too large and the flame-retardant layer 6 is burnt out, the flame can ignite the combustible layer 5, the flame-retardant layer 4 can block the flame, the dry powder 31 can penetrate through the flame-retardant layer 4 and can be sprayed onto the flame, the heat on one side in a disaster can be blocked by the heat-insulating layer 2, the influence of heat energy transmission on the room on the other side can be reduced, the flame-retardant performance of the polyurethane plate 1 can be improved, and the possible casualties and property loss caused after the fire can be reduced.
Referring to fig. 2, the thermal insulation layer 2 may be any one of glass fiber, vacuum plate, and other thermal insulation materials, and the thermal insulation layer 2 reduces heat transmission of the polyurethane plate 1 and reduces thermal conductivity of the polyurethane plate 1; the dry powder 31 can be fire extinguishing base material such as baking soda, etc. for extinguishing fire to prevent fire spreading; the fireproof layer 4 can be any one of high-pressure decorative fireproof plates, glass magnesium fireproof plates and the like with fireproof effect, and has the function of fireproof separation; the combustible layer 5 can be any one of materials which can be burnt when contacting with flames, such as grass chips, wood chips and the like, so that the spraying speed of the dry powder 31 after the flame-retardant layer 6 is burnt out is increased; the flame-retardant layer 6 can be any one of flame-retardant rubber, flame-retardant plastic, flame-retardant wood materials and the like, so that the flame-retardant effect of the polyurethane plate 1 is improved.
Referring to fig. 2, the dry powder layer 3 is hollow, a plurality of elastic sleeves 32 for containing the dry powder 31 are arranged in the dry powder layer 3, the storage volume of the dry powder 31 is increased by the elastic sleeves 32 made of elastic materials, the positions where the dry powder layer 3 is communicated with the fire-proof layer 4 correspond to the elastic sleeves 32 one by one, the elastic sleeves 32 are communicated with the fire-proof layer 4, a pushing assembly 7 for extruding the dry powder 31 in the elastic sleeves 32 out of the fire-proof layer 4 is arranged in the dry powder layer 3, the pushing assembly 7 comprises a pushing plate 71 arranged in the dry powder layer 3 in a sliding mode and a pushing spring 72 fixedly arranged on the side wall of the dry powder layer 3 far away from the fire-proof layer 4, a space is reserved between the periphery of the pushing plate 71 and the circumferential inner wall of the dry powder layer 3, and one side, far away from the pushing spring 72, of the pushing plate 71 is fixedly connected with the elastic sleeves 32; when the dry powder 31 is stored in the elastic sleeve 32, the pushing spring 72 is compressed, and when the pushing spring 72 is in a natural state, the pushing plate 71 is attached to the inner wall of the dry powder layer 3 close to the fireproof layer 4.
After the flame-retardant layer 6 is burnt out by the flame, the combustible layer 5 is ignited, the plugging state of the dry powder 31 is cancelled, the flame-retardant layer 4 blocks the flame, the pushing spring 72 applies an acting force towards the flame-retardant layer 4 to the pushing plate 71, the pushing plate 71 pushes the dry powder 31 in the elastic sleeve 32 to be sprayed towards the flame, the pushing assembly 7 applies an acting force to the dry powder 31 to enable the dry powder 31 to be sprayed into the air, the spraying efficiency of the dry powder 31 is improved, and the spreading speed of the fire is reduced.
The implementation principle of the high flame-retardant polyurethane board in the embodiment of the application is as follows: when the polyurethane plate 1 is installed in any room on two sides and a fire happens carelessly, the flame-retardant coating can be used for flame-retarding the flame, when the fire is great, the flame is burnt to the polyurethane plate 1 and contacts the flame-retardant layer 6, the flame-retardant layer 6 can be used for flame-retarding the flame, when the fire is too great to burn the flame-retardant layer 6, the flame ignites the combustible layer 5, the flame-retardant layer 4 blocks the flame, the pushing spring 72 applies an acting force towards the flame-retardant layer 4 to the pushing plate 71, the pushing plate 71 pushes the dry powder 31 in the elastic sleeve 32 to be sprayed towards the flame, the heat on one side affected by the fire is blocked by the heat-insulating layer 2, the influence of heat energy propagation on the room on the other side is reduced, the flame-retardant performance of the polyurethane plate 1 is improved, and casualties and property loss which are possibly caused after the fire are reduced.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A high flame retardant polyurethane board, includes polyurethane board (1), its characterized in that: polyurethane board (1) is including board shell (11) and board lid (12), set up cavity (111) in board shell (11), set gradually dry powder layer (3), flame retardant coating (4) and fire-retardant layer (6) by cavity (111) inside orientation self open-ended direction in cavity (111), a plurality of holes have been seted up in flame retardant coating (4), and dry powder layer (3) are filled up all holes, board lid (12) set firmly on board shell (11) and with cavity (111) shutoff.
2. The high flame retardant polyurethane panel of claim 1, wherein: the middle part of cavity (111) is equipped with insulating layer (2), and fire-retardant layer (6), flame retardant coating (4), dry powder layer (3) all respectively have two, and every fire-retardant layer (6), flame retardant coating (4), dry powder layer (3) are a set of, insulating layer (2) just respectively have a set of to the both sides of keeping away from board lid (12), and every group is fire-retardant layer (6), flame retardant coating (4), dry powder layer (3) in proper order by keeping away from to being close to arranging of insulating layer (2).
3. The high flame retardant polyurethane panel of claim 1, wherein: dry powder layer (3) are the setting of making perfect vacancy, are equipped with dry powder (31) of a plurality of elastic sleeves (32) and parcel in elastic sleeve (32) in dry powder layer (3), and dry powder (31) are located elastic sleeve (32), the hole and the elastic sleeve of seting up on flame retardant coating (4) communicate with each other, be equipped with in dry powder layer (3) and be used for pushing away subassembly (7) towards flame retardant coating (4) extruded with elastic sleeve (32).
4. The high flame retardant polyurethane panel of claim 3, wherein: the pushing assembly (7) comprises a pushing plate (71) and a pushing spring (72), the pushing plate (71) is connected in the dry powder layer (3) in a sliding mode and located on one side, away from the fireproof layer (4), of the elastic sleeve (32), and the pushing spring (72) is fixedly arranged in the dry powder layer (3) and fixedly connected with the pushing plate (71); when the dry powder (31) is positioned in the elastic sleeve (32), the pushing spring (72) is in a deformation state.
5. The high flame retardant polyurethane panel of claim 4, wherein: and a space is reserved between the periphery of the push plate (71) and the inner wall of the dry powder layer (3).
6. The high flame retardant polyurethane panel of claim 1, wherein: and a combustible layer (5) is arranged between the flame-retardant layer (6) and the fireproof layer (4).
7. The high flame retardant polyurethane panel of claim 1, wherein: a screw rod (8) is inserted into the cavity (111), and the dry powder layer (3), the fireproof layer (4) and the flame-retardant layer (6) are all in threaded connection with the screw rod (8).
8. The high flame retardant polyurethane panel of claim 7, wherein: the two ends of the screw rod (8) are arranged in a hemispherical shape.
9. The high flame retardant polyurethane panel of claim 1, wherein: and fireproof sealant (13) is arranged at the joint of the plate cover (12) and the plate shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122776664.5U CN216443234U (en) | 2021-11-11 | 2021-11-11 | High flame retardant polyurethane plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122776664.5U CN216443234U (en) | 2021-11-11 | 2021-11-11 | High flame retardant polyurethane plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216443234U true CN216443234U (en) | 2022-05-06 |
Family
ID=81354256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122776664.5U Expired - Fee Related CN216443234U (en) | 2021-11-11 | 2021-11-11 | High flame retardant polyurethane plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216443234U (en) |
-
2021
- 2021-11-11 CN CN202122776664.5U patent/CN216443234U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220506 |
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| CF01 | Termination of patent right due to non-payment of annual fee |