CN211662748U - PE foaming composite board - Google Patents
PE foaming composite board Download PDFInfo
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- CN211662748U CN211662748U CN201922499736.9U CN201922499736U CN211662748U CN 211662748 U CN211662748 U CN 211662748U CN 201922499736 U CN201922499736 U CN 201922499736U CN 211662748 U CN211662748 U CN 211662748U
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Abstract
The utility model relates to the field of PE plate processing, in particular to a PE foaming composite board, which comprises a PE foaming board, wherein the upper surface and the lower surface of the PE foaming board are sequentially provided with a first glue layer, a flame-retardant protective layer, a second glue layer and an anti-scratching layer from inside to outside; the anti-scratch layer comprises an upper anti-scratch layer and a lower anti-scratch layer embedded in the upper anti-scratch layer, and connecting columns are fixedly connected at four corners of the lower surface of the upper anti-scratch layer; the upper surface of the lower anti-scratch layer is provided with a connecting column groove for embedding the connecting column; the lower surface of the upper anti-scratch layer is provided with a plurality of first grooves; the upper surface of the lower anti-scratch layer is provided with a plurality of second grooves with the same size as the first grooves; the first groove and the second groove are formed with filling spaces; the packing space intussuseption is filled with the aerogel insulating layer. The utility model discloses it is better to the protectiveness of PE foaming board to have composite board, effectively maintains the effect of holding mechanical properties and heat-proof quality of panel.
Description
Technical Field
The utility model belongs to the technical field of PE panel processing and specifically relates to a PE foaming composite sheet is related to.
Background
The PE foaming board has the advantages of excellent heat resistance, excellent mechanical property, obvious heat insulation, good rebound resilience, high impact absorption capacity, good chemical corrosion resistance, good stress cracking resistance, no toxic gas emission during combustion, recyclability, easy processing and forming and the like. Because the PE foam board has the unique advantages, and the PE foam board has strong recovery rate, no water absorption, impact resistance, weather resistance, chemical resistance and aging resistance which are not available in other materials, the application field of the PE foam board is more and more extensive. For example, the concrete highway expansion joint seam plate, the road and bridge joint water stop plate, the hydraulic engineering dam, the beach protector, the absorption ridge, the slope protection, the flexible joint seam plate of the blocking wall, the hydroelectric power engineering, the thermal power engineering, the water tower bottom water stop joint seam plate, the settlement joint for the building, the joint seam plate of the frame structure, the water stop joint seam plate of the water tank of the domestic water plant and the sewage treatment plant, the airport runway joint seam plate, the concrete upper joint seam plate of the port and the wharf, the water tunnel, the concrete water passing joint seam plate of the tunnel, the concrete water stop joint seam plate of the subway and the underground passage, and can also be applied to the fields of packaging, heat insulation materials, automobiles and the like. The upper and lower surface skins of the existing PE foaming board have poor puncture resistance and scratch resistance, and once the surface skins are damaged, the middle foaming layer is extremely easy to damage, so that the service life of the existing PE foaming board is shortened.
The publication No. CN202753510U discloses a high-toughness high-barrier PE foamed composite board, which is characterized in that: the PE foaming composite board is of a seven-layer structure, the PE foaming board is used as a core layer of the seven-layer structure, and a glue layer, a high-polymer bonding film and an aluminum veneer are sequentially arranged on the upper surface and the lower surface of the PE foaming board from inside to outside.
The above prior art solutions have the following drawbacks: the heat conductivity coefficient of the aluminum veneer is 2039{ W/(m × K) }, the heat conductivity coefficient is high, the heat transfer is also high, the temperature of the aluminum veneer can be rapidly increased by the heat source near the aluminum veneer and is transferred to the glue layer and the polymer adhesive film, and if the temperature of the combination position of the aluminum veneer, the glue layer and the polymer adhesive film is too high, the aluminum veneer and the PE foaming plate can be bonded loosely. The heat of the aluminum veneer is transferred into the PE foaming board, and after the temperature of the PE foaming board reaches the melting temperature, the melt viscosity of the whole polymer is sharply reduced, so that bubbles generated in the foaming process are difficult to maintain, and the heat insulation effect is greatly reduced. In conclusion, the prior art has the problems that the composite board has weak protection on the PE foaming board, and the mechanical property and the heat insulation property are easily reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a PE foaming composite board which can effectively maintain the mechanical property and the heat insulation property.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a PE foaming composite board comprises a PE foaming board, wherein the upper surface and the lower surface of the PE foaming board are sequentially provided with a first glue layer, a flame-retardant protective layer, a second glue layer and an anti-scratch layer from inside to outside; the anti-scratch layer comprises an upper anti-scratch layer and a lower anti-scratch layer embedded in the upper anti-scratch layer, and connecting columns are fixedly connected at four corners of the lower surface of the upper anti-scratch layer; the upper surface of the lower anti-scratch layer is provided with a connecting column groove for embedding the connecting column; the lower surface of the upper anti-scratch layer is provided with a plurality of first grooves; the upper surface of the lower anti-scratch layer is provided with a plurality of second grooves with the same size as the first grooves; the first groove and the second groove are formed with filling spaces; the packing space intussuseption is filled with the aerogel insulating layer.
By adopting the technical scheme, the first glue layer enables the flame-retardant protective layer to be firmly adhered to the PE foaming board; the second glue layer enables the scratch-resistant layer to be firmly adhered to the flame-retardant protective layer; the flame-retardant protective layer can effectively improve the overall flame-retardant performance, ensure the safety of users, and effectively insulate heat, so that the mechanical property and the heat-insulating property of the PE foamed composite board can be effectively maintained; the scratch-proof layer can effectively prevent the plate surface from being scratched, and the whole scratch-proof layer adopting the resin matrix with good heat resistance has good heat resistance; when the upper scratch-proof layer facing the outside is damaged, the double-layer scratch-proof layer is better detachable, the maintenance cost is reduced, the aerogel heat-insulating layer and the filling space between the double-layer scratch-proof layer reduce the heat conductivity coefficient of the scratch-proof layer, the heat insulation and heat resistance effects can be effectively improved, excessive heat is prevented from being transmitted to the PE foaming composite board, and the mechanical property and the heat insulation property of the PE foaming composite board are effectively maintained; the aerogel thermal-protective layer and the filling space between the double-layer scratch-proof layers also have a good sound insulation effect.
The present invention may be further configured in a preferred embodiment as: the functional layer is compounded in the PE foaming board and comprises a metal foil layer which is compounded in the PE foaming board and has strong reflection capability and a fiber reinforcing layer which is compounded in the PE foaming board; the fiber reinforced layer and the metal foil layer are distributed in the PE foaming board at intervals.
By adopting the technical scheme, the metal foil layer can reduce the heat radiation in the PE foaming board and reduce the temperature in the PE foaming board, so that the overall heat resistance is improved, the foaming structure of the PE foaming board is maintained, and the mechanical property and the heat insulation property of the PE foaming composite board are effectively maintained; the composite fiber enhancement layer makes the intensity and the shock resistance of PE foaming board promote, prevents that PE foaming board from softening to lead to appearing distortion, bending, protects the foaming structure of PE foaming board, has guaranteed holistic heat-proof quality.
The present invention may be further configured in a preferred embodiment as: a transverse fiber heat-resistant layer and a longitudinal fiber heat-resistant layer are compounded in the flame-retardant protective layer; the transverse fiber heat-resistant layer and the longitudinal fiber heat-resistant layer are mutually distributed in the flame-retardant protective layer at intervals.
By adopting the technical scheme, the transverse fiber heat-resistant layer and the longitudinal fiber heat-resistant layer can improve the glass transition temperature Tg of the flame-retardant protective layer 3, so that the use temperature range is improved; the transverse fiber heat-resistant layer is transversely compounded inside the flame-retardant protective layer, the longitudinal fiber heat-resistant layer is made of the same material as the transverse fiber heat-resistant layer, the difference lies in that the longitudinal fiber heat-resistant layer is longitudinally compounded inside the flame-retardant protective layer, the transverse fiber heat-resistant layer and the longitudinal fiber heat-resistant layer are continuous in the flame-retardant protective layer 3, the mechanical property of the flame-retardant protective layer can be improved, the heat conductivity of the flame-retardant protective layer can also be improved, and the heat energy inside the flame-retardant protective layer can be rapidly conducted outdoors to the.
The present invention may be further configured in a preferred embodiment as: and a flame-retardant polyester fiber layer is compounded in the scratch-resistant layer.
By adopting the technical scheme, the flame-retardant polyester fiber layer can improve the thermal capacity of the scratch-proof layer, so that the overall high-temperature resistance of the scratch-proof layer is improved, and the mechanical property and the heat-insulating property of the PE foamed composite board are effectively maintained.
The present invention may be further configured in a preferred embodiment as: and a structure reinforcing layer positioned between the flame-retardant polyester fiber layers is compounded in the anti-scratch layer.
Through adopting above-mentioned technical scheme, structural strength that the layer was prevented drawing can have been promoted to the structure enhancement layer, promotes the shock resistance who prevents drawing the layer, makes its difficult rupture, can effectively protect inside PE foaming composite sheet, maintains PE foaming composite sheet's mechanical properties and heat-proof quality.
The present invention may be further configured in a preferred embodiment as: first sawtooth surface layers are formed on the upper surface and the lower surface of the PE foaming board; second sawtooth surface layers are formed on the upper surface and the lower surface of the flame-retardant protective layer; and a third sawtooth surface layer is formed on the surface of the lower scratch-resistant layer facing the flame-retardant protective layer.
Through adopting above-mentioned technical scheme, the structure enhancement layer prevents that the fire explosion from leading to preventing drawing the layer and receive the impact damage, promotes the impact strength who prevents drawing the layer, guarantees safety in utilization performance protection personnel safety.
The present invention may be further configured in a preferred embodiment as: a third wave-shaped surface layer is formed on the surface of the upper anti-scratch layer, which faces away from the flame-retardant protective layer; the surface of the third wave-shaped surface layer is coated with a weather-resistant coating.
By adopting the technical scheme, the bonding strength of the flame-retardant protective layer and the PE foaming board and the bonding strength of the flame-retardant protective layer and the anti-scratch layer are ensured.
The present invention may be further configured in a preferred embodiment as: and a release film is adhered to the surface of the anti-scratch layer.
Through adopting above-mentioned technical scheme, can effectively prevent from the type membrane the utility model discloses take place to collide with in the transportation and lead to preventing drawing the surface damage.
To sum up, the utility model discloses a following beneficial technological effect:
through PE foaming board, first glue layer, fire-retardant protective layer, second glue layer and anti-scratch layer, realized effectively maintaining PE foaming composite sheet's mechanical properties and heat-proof quality.
The first sawtooth surface layer, the second sawtooth surface layer and the third sawtooth surface layer are used for realizing the firm adhesion between the flame-retardant protective layer and the PE foaming board; the anti-scratch layer and the flame-retardant protective layer are firmly bonded.
Through preventing drawing layer and weatherability coating, promote the utility model discloses a long-term life is guaranteed to the weatherability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the scratch resistant layer, showing primarily the upper scratch resistant layer, the lower scratch resistant layer and the aerogel thermal insulation layer;
FIG. 3 is a schematic structural view of a PE foam board, mainly showing functional layers;
fig. 4 is a schematic view of the structure of the flame retardant protective layer, which is developed primarily as a flame retardant protective layer.
In the figure, 1, PE foaming board; 11. a first sawtooth surface layer; 2. a functional layer; 21. a metal foil layer; 22. a fiber-reinforced layer; 3. a flame retardant protective layer; 30. a second sawtooth surface layer; 31. a transverse fiber heat-resistant layer; 32. a longitudinal fiber heat-resistant layer; 4. a scratch-resistant layer; 400. an upper scratch resistant layer; 401. a lower scratch resistant layer; 402. connecting columns; 403. connecting the column grooves; 404. a first groove; 405. a second groove; 406. filling the space; 40. a third sawtooth surface layer; 41. a flame retardant polyester fiber layer; 42. a structural reinforcement layer; 43. a third corrugated facing; 5. a weatherable coating; 6. a release film; 7. a first glue layer; 8. a second glue layer; 9. aerogel insulating layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a PE foaming composite board, including PE foaming board 1 to PE foaming board 1 is the sandwich layer, and PE foaming board 1 upper and lower surface sets gradually first glue layer 7, fire-retardant protective layer 3, second glue layer 8 and prevents drawing layer 4 from inside to outside. With reference to fig. 2, the scratch-resistant layer 4 comprises an upper scratch-resistant layer 400 and a lower scratch-resistant layer 401 embedded in the upper scratch-resistant layer 400, wherein connecting columns 402 are fixedly connected at four corners of the lower surface of the upper scratch-resistant layer 400; the upper surface of the lower anti-scratch layer 401 is provided with a connecting column groove 403 for the embedding of the connecting column 402; the lower surface of the upper anti-scratch layer 400 is provided with a plurality of first grooves 404; the upper surface of the lower anti-scratch layer 401 is provided with a plurality of second grooves 405 which have the same size as the first grooves 404; the first groove 404 and the second groove 405 are formed with a filling space 406; the filling space 406 is filled with an aerogel insulation layer 9, preferably a silica aerogel insulation blanket. In order to ensure the bonding strength of the flame-retardant protective layer 3 and the PE foaming board 1, the upper surface and the lower surface of the PE foaming board 1 are provided with first sawtooth surface layers 11, and the upper surface and the lower surface of the flame-retardant protective layer 3 are provided with second sawtooth surface layers 30. In order to secure the adhesive strength between the flame-retardant protective layer 3 and the scratch-resistant layer 4, the surface of the upper scratch-resistant layer 400 facing the flame-retardant protective layer 3 is formed with a third saw-tooth surface layer 40. In order to prolong the service life of the utility model, the weather resistance of the scratch-resistant layer 4 needs to be improved, and a third wavy surface layer 43 is formed on the surface of the lower scratch-resistant layer 401, which is back to the flame-retardant protective layer 3; the third wavy surface layer 43 is coated with a transparent weather-resistant coating 5, and the weather-resistant coating 5 is preferably a weather-resistant one-component quick-drying acrylic primer. In order to further prevent the scratch-proof layer 4 from colliding in the transportation process, a release film 6 is pasted on the surface of the scratch-proof layer 4.
Referring to fig. 2, the anti-scratch layer 4 and the flame-retardant protective layer 3 are bonded together, the adhesive needs to be high-temperature resistant while the bonding strength needs to be ensured, and the second adhesive layer 8 is made of high-temperature resistant adhesive. The PPS resin with higher hardness is selected for the scratch-proof layer 4, so that the surface scratch of the scratch-proof layer 4 can be effectively prevented. The PPS resin has good high temperature resistance, but is located at the outermost layer of the PE foaming board 1, and may be located near a heat source in case of fire, so that the high temperature resistance of the scratch-resistant layer 4 needs to be further improved, the flame-retardant polyester fiber layer 41 is compounded in the scratch-resistant layer 4, and the heat capacity of the scratch-resistant layer 4 can be improved by the flame-retardant polyester fiber layer 41, so that the overall high temperature resistance of the scratch-resistant layer 4 is improved. In order to prevent the anti-scratch layer 4 from being damaged by impact caused by fire explosion, the impact strength of the anti-scratch layer 4 needs to be improved, a structure reinforcing layer 42 positioned between the flame-retardant polyester fiber layers 41 is compounded in the anti-scratch layer 4, the structure reinforcing layer 42 is preferably a net layer woven by S glass fibers, and the S glass fibers are compounded in the anti-scratch layer 4, so that the impact strength of the anti-scratch layer 4 can be effectively improved, and the safety of use and personnel protection can be improved.
Referring to fig. 3, a functional layer 2 is compounded in the PE foam board 1, and the functional layer 2 includes a metal foil layer 21 which is compounded in the PE foam board 1 and has a strong reflection capability, and a fiber reinforcement layer 22 which is compounded in the PE foam board 1; the fiber reinforced layer 22 and the metal foil layer 21 are distributed in the PE foaming board 1 at intervals. The metal foil layer 21 is a large aluminum metal foil with strong reflection capability to radiation, and can reflect heat radiation entering the PE foaming board 1 out of the PE foaming board 1, so that the heat radiation in the PE foaming board 1 is greatly reduced, the temperature in the PE foaming board 1 is reduced, and the temperature resistance of the PE foaming board 1 is improved. The PE foaming board 1 has good toughness but low strength, the composite fiber reinforcing layer 22 improves the strength and the impact strength of the PE foaming board 1, prevents the PE foaming board 1 from softening to cause distortion and bending, protects the foaming structure of the PE foaming board 1, and ensures the overall heat insulation performance.
Referring to fig. 4, the bonding strength of the PE foam board 1 and the flame-retardant protective layer 3 needs to be ensured, and the toughness of the PE foam board and the flame-retardant protective layer is ensured, and the cyanoacrylate adhesive with extremely strong bonding force is selected as the first glue layer 7; the flame-retardant protective layer 3 is prepared by selecting polyimide high-temperature-resistant resin with the use temperature upper limit of about 350 ℃ and oxidation resistance as a composite matrix, and the flame-retardant reinforcement is dimethyl methane phosphate (flame retardant). In order to raise the glass transition temperature Tg of the flame-retardant protective layer 3 and thus raise the use temperature range, a transverse fiber heat-resistant layer 31 and a longitudinal fiber heat-resistant layer 32 are compounded in the flame-retardant protective layer 3. The transverse fiber heat-resistant layer 31 is transversely compounded inside the flame-retardant protective layer 3, and borosilicate glass fibers with good chemical stability, high thermal stability and high temperature resistance are adopted; the longitudinal fiber heat-resistant layer 32 is made of the same material as the transverse fiber heat-resistant layer 31, except that the longitudinal fiber heat-resistant layer 32 is longitudinally compounded inside the flame-retardant protective layer 3. Horizontal fibre heat-resistant layer 31 and vertical fibre heat-resistant layer 32 are mutual interval and evenly distributed inside fire-retardant protective layer 3, and horizontal fibre heat-resistant layer 31 and vertical fibre heat-resistant layer 32 are continuous phase in fire-retardant protective layer 3 and not only can promote 3 mechanical properties of fire-retardant protective layer and can also promote the heat conductivility of fire-retardant protective layer 3, can be with the inside heat energy of fire-retardant protective layer 3 outdoor to external environment in quick more.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A PE foaming composite board comprises a PE foaming board (1), and is characterized in that: the upper surface and the lower surface of the PE foaming plate (1) are sequentially provided with a first glue layer (7), a flame-retardant protective layer (3), a second glue layer (8) and an anti-scratch layer (4) from inside to outside; the scratch-proof layer (4) comprises an upper scratch-proof layer (400) and a lower scratch-proof layer (401) embedded in the upper scratch-proof layer (400), and four corners of the lower surface of the upper scratch-proof layer (400) are fixedly connected with connecting columns (402); the upper surface of the lower anti-scratch layer (401) is provided with a connecting column groove (403) for the embedding of the connecting column (402); the lower surface of the upper anti-scratch layer (400) is provided with a plurality of first grooves (404); the upper surface of the lower anti-scratch layer (401) is provided with a plurality of second grooves (405) which have the same size as the first grooves (404); the first groove (404) and the second groove (405) form a filling space (406); the filling space (406) is filled with an aerogel heat insulation layer (9).
2. A PE foamed composite board according to claim 1, characterised in that: the functional layer (2) is compounded in the PE foaming board (1), and the functional layer (2) comprises a metal foil layer (21) which is compounded in the PE foaming board (1) and has strong reflection capacity and a fiber reinforcing layer (22) compounded in the PE foaming board (1); the fiber reinforced layer (22) and the metal foil layer (21) are distributed in the PE foaming board (1) at intervals.
3. A PE foamed composite board according to claim 1, characterised in that: a transverse fiber heat-resistant layer (31) and a longitudinal fiber heat-resistant layer (32) are compounded in the flame-retardant protective layer (3); the transverse fiber heat-resistant layer (31) and the longitudinal fiber heat-resistant layer (32) are mutually distributed in the flame-retardant protective layer (3) at intervals.
4. A PE foamed composite board according to claim 1, characterised in that: and a flame-retardant polyester fiber layer (41) is compounded in the anti-scratch layer (4).
5. A PE foamed composite board according to claim 4, wherein: the scratch-resistant layer (4) is also internally compounded with a structural reinforcing layer (42) positioned between the flame-retardant polyester fiber layers (41).
6. A PE foamed composite board according to claim 1, characterised in that: the upper surface and the lower surface of the PE foaming board (1) are provided with first sawtooth surface layers (11); second sawtooth surface layers (30) are formed on the upper surface and the lower surface of the flame-retardant protective layer (3); and a third sawtooth surface layer (40) is formed on the surface of the lower scratch-resistant layer (401) facing the flame-retardant protective layer (3).
7. A PE foamed composite board according to claim 1, characterised in that: a third wavy surface layer (43) is formed on the surface of the upper scratch-resistant layer (400) back to the flame-retardant protective layer (3); the surface of the third wavy surface layer (43) is coated with a weather-resistant coating (5).
8. A PE foamed composite board according to claim 7, wherein: and a release film (6) is pasted on the surface of the upper anti-scratch layer (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499736.9U CN211662748U (en) | 2019-12-31 | 2019-12-31 | PE foaming composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499736.9U CN211662748U (en) | 2019-12-31 | 2019-12-31 | PE foaming composite board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211662748U true CN211662748U (en) | 2020-10-13 |
Family
ID=72736564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922499736.9U Expired - Fee Related CN211662748U (en) | 2019-12-31 | 2019-12-31 | PE foaming composite board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211662748U (en) |
-
2019
- 2019-12-31 CN CN201922499736.9U patent/CN211662748U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201013 Termination date: 20211231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |