CN216267970U - Dampproofing fire-retardant type multiply wood - Google Patents
Dampproofing fire-retardant type multiply wood Download PDFInfo
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- CN216267970U CN216267970U CN202022986536.9U CN202022986536U CN216267970U CN 216267970 U CN216267970 U CN 216267970U CN 202022986536 U CN202022986536 U CN 202022986536U CN 216267970 U CN216267970 U CN 216267970U
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Abstract
The utility model provides a moisture-proof flame-retardant multilayer board which comprises a group board, wherein the group board at least comprises a second veneer layer, a central veneer layer and a third veneer layer, wherein the second veneer layer, the central veneer layer and the third veneer layer are staggered in a pairwise transverse and longitudinal mode to form a group; the upper surface and the lower surface of the group blank plate are respectively bonded with a first moisture-proof layer and a second moisture-proof layer, the surfaces of the first moisture-proof layer and the second moisture-proof layer are respectively bonded with a first aluminum foil layer and a second aluminum foil layer, the surfaces of the first aluminum foil layer and the second aluminum foil layer are respectively bonded with a first veneer layer and a fourth veneer layer, and the surfaces of the first veneer layer and the fourth veneer layer are respectively bonded with a first veneer layer and a second veneer layer.
Description
Technical Field
The utility model belongs to the field of plate production and manufacturing, and particularly relates to a moisture-proof flame-retardant multilayer plate.
Background
The multilayer board is developed to the present, and is an indispensable decorative material in the field of decorative building materials. With the gradual progress of the times, the safety, the practicability and the durability of the decorative material gradually attract great attention. The flame retardant property and the moisture resistance of the multilayer board are always the problems of the technicians. The method of impregnating the veneer with the flame retardant causes the defects of high moisture content of the multilayer board, bubble board generation of the finished product and the like, for example, patent application No. 201010598674.8 entitled flame-retardant plywood or laminated veneer lumber and manufacturing method thereof. The moisture-proof and waterproof multilayer composite floor of application No. 201921113354.1 adopts complicated and various process steps to achieve the moisture-proof effect. In order to reduce the process steps, the utility model adopts the polymer film as the moisture-proof layer to achieve good moisture-proof effect, and adopts the aluminum foil layer to play double roles of flame retardance and moisture resistance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a moisture-proof flame-retardant multilayer board which comprises a group board, wherein the group board at least comprises a second veneer layer, a central veneer layer and a third veneer layer, wherein the second veneer layer, the central veneer layer and the third veneer layer are staggered in a pairwise transverse and longitudinal mode to form a group; the upper surface and the lower surface of the group blank plate are respectively bonded with a first moisture-proof layer and a second moisture-proof layer, the surfaces of the first moisture-proof layer and the second moisture-proof layer are respectively bonded with a first aluminum foil layer and a second aluminum foil layer, the surfaces of the first aluminum foil layer and the second aluminum foil layer are respectively bonded with a first veneer layer and a fourth veneer layer, and the surfaces of the first veneer layer and the fourth veneer layer are respectively bonded with a first veneer layer and a second veneer layer.
Further preferably, the first finishing layer and the second finishing layer are made of impregnated bond paper, Orumann leather, PVC film or PET film.
Further preferably, the thickness of the melamine impregnated bond paper is 0.1mm-0.3mm, and the formaldehyde emission is less than or equal to 1 mg/L; the thickness of the Ouguman skin is 0.2mm-0.4 mm; the thickness of the PVC film and the PET film is 0.1mm-1.0 mm.
Further preferably, the second veneer layer, the central veneer layer, the third veneer layer, the first veneer layer and the fourth veneer layer are made of poplar, eucalyptus and miscellaneous trees, and the thickness of the second veneer layer, the central veneer layer, the third veneer layer, the first veneer layer and the fourth veneer layer is 2.5mm +/-0.5 mm.
Further preferably, the thickness of the first aluminum foil layer and the second aluminum foil layer is 0.1 mm-0.8 mm.
Further preferably, the aluminum foil of the first aluminum foil layer and the second aluminum foil layer is treated by plasma.
Further preferably, the first moisture-proof layer and the second moisture-proof layer are made of PP or PE.
Further preferably, the first veneer layer, the first aluminum foil layer, the first moisture barrier, the second veneer layer, the central veneer layer, the third veneer layer, the second moisture barrier, the second aluminum foil layer, the fourth veneer layer and the second veneer layer are glued together through a glue layer.
Further preferably, at least one veneer layer is respectively attached to the upper surface and the lower surface of the assembled plate.
Further preferably, the veneer layers in the assembled plate are assembled in a staggered mode in a longitudinal and transverse mode.
According to the polymer film moisture-proof layer provided by the utility model, the pore size is set in the manufacturing process, the water molecule penetration is effectively blocked, and the moisture resistance of the plate is improved; the aluminum foil layer subjected to plasma surface treatment enhances the bonding property of the aluminum foil layer, and the aluminum foil is used as metal, so that the flame retardant property of the plate is increased, and the aluminum foil layer and the polymer film have synergistic effect, so that the moisture resistance of the plate is further improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the following description of the utility model is provided with the accompanying drawings. The drawings in the following description are only one embodiment of the utility model, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a sectional view of a preferred embodiment of the moisture resistant and flame retardant multi-layer sheet provided by the present invention.
Detailed Description
In order to more clearly show the objects and technical advantages of the present invention, the technical solution of the present invention will be described in detail below. It is obvious that the described embodiments are only a part of the embodiments of the utility model, and not all embodiments. Based on the embodiments in the present disclosure, those skilled in the art can obtain the embodiments without any inventive work, and the embodiments belong to the protection scope of the present invention.
As shown in fig. 1, the moisture-proof and flame-retardant multilayer board structure provided in this embodiment sequentially includes, from top to bottom: the decorative plate comprises a first veneer layer 1, a first veneer layer 2, a first aluminum foil layer 3, a first moisture-proof layer 4, a second veneer layer 5, a central veneer layer 6, a third veneer layer 7, a second moisture-proof layer 8, a second aluminum foil layer 9, a fourth veneer layer 10 and a second veneer layer 11;
step one, as shown in fig. 1, a second veneer layer 5, a central veneer layer 6 and a third veneer layer 7 are assembled in a transverse and longitudinal staggered mode in pairs and are formed in a pressing mode; if the added veneer layers are on the basis, the two veneer layers are also assembled in a transverse and longitudinal staggered way; the adhesive amount of the adhesive system without the aldehyde adhesive and MDI auxiliary agent in the API adhesive system is 210 +/-20 g/m2Bonding the layers together;
step two, symmetrically distributing an API formaldehyde-free glue and MDI auxiliary agent formaldehyde-free glue system on the basis of the assembly plate in the step one, wherein the glue distribution amount is 210 +/-20 g/m2Then, a first moisture-proof layer 4 and a second moisture-proof layer 8PP high polymer film material are respectively bonded on the second veneer layer 5 and the third veneer layer 7;
step three, carrying out plasma surface treatment on the aluminum foil to change the surface property of the material so that the material is easier to bond;
step four, symmetrically distributing an API formaldehyde-free glue and MDI auxiliary agent formaldehyde-free glue system on the basis of the two blank plates in the step two, wherein the glue distribution amount is 210 +/-20 g/m2Pressing the aluminum foil assembly subjected to the plasma treatment on a plate to form a first aluminum foil layer 3 and a second aluminum foil layer 9;
step five, distributing the prepared assembly plate cloth API formaldehyde-free glue and MDI auxiliary agent formaldehyde-free glue system in the glue distribution amount of 210 +/-20 g/m2The first 2 and fourth 10 veneer layers are assembled and pressed into a substrate.
And step six, performing facing and pressing on the base plates in the step five, and pressing the melamine impregnated bond paper to form a first facing layer 1 and a second facing layer 11.
In the sixth step, the facing layer can also be made of PVC, PET, Oruman and other materials, and different characteristics of the plate can be provided according to different facing materials.
In the embodiment, the veneer layer is made of poplar, eucalyptus, miscellaneous tree and the like, the thickness is 2.5mm +/-0.5 mm, and the water content is 12-18%. The appearance quality of the selected veneer layer meets the following standard, burr groove marks are allowed to exist slightly, bark scab is not allowed to exist, splice plates are allowed to exist by 5%, decay is not allowed to exist, tail knife plates/thick and thin plates are allowed to exist by 5%, knife mark plates are not allowed to exist, short plates and narrow plates are not allowed to exist, and waste plates are not allowed to exist.
Bonding materials of all layers by using aldehyde-free glue, wherein the used aldehyde-free glue is API aldehyde-free glue, and MDI is used as a curing agent; or EPI formaldehyde-free glue and MDI as a curing agent.
According to the utility model, the formaldehyde-free glue is adopted for bonding, so that the formaldehyde emission of the board is effectively reduced; the aperture size of the polymer film is set in the manufacturing process, water molecule permeation is effectively blocked, and the moisture resistance of the plate is improved. The aluminum foil layer subjected to plasma surface treatment enhances the bonding property of the aluminum foil layer, and the aluminum foil is used as metal, so that the flame retardant property of the plate is increased, and the aluminum foil layer and the polymer film have synergistic effect, so that the moisture resistance of the plate is further improved.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The moisture-proof flame-retardant multilayer board is characterized by comprising a group board, wherein the group board at least comprises a second veneer layer (5), a central veneer layer (6) and a third veneer layer (7), and the second veneer layer (5), the central veneer layer (6) and the third veneer layer (7) are assembled in a staggered mode in a pairwise transverse and longitudinal mode;
the group blank panel upper and lower two sides bond respectively and have first dampproof course (4) and second dampproof course (8), the surface of first dampproof course (4) and second dampproof course (8) bond respectively and have first aluminium foil layer (3) and second aluminium foil layer (9), the surface of first aluminium foil layer (3) and second aluminium foil layer (9) bond respectively and have first veneer layer (2) and fourth veneer layer (10), the surface of first veneer layer (2) and fourth veneer layer (10) bond respectively and have first finish coat (1) and second finish coat (11).
2. The moisture-proof and flame-retardant multilayer board according to claim 1, wherein the first finishing layer (1) and the second finishing layer (11) are impregnated bond paper, Orumann leather, PVC film or PET film.
3. The moisture-proof and flame-retardant multilayer board according to claim 2, wherein the thickness of the impregnated bond paper is 0.1mm-0.3mm, and the formaldehyde emission is less than or equal to 1 mg/L; the thickness of the Ouguman skin is 0.2mm-0.4 mm; the thickness of the PVC film and the PET film is 0.1mm-1.0 mm.
4. The moisture-resistant and flame-retardant multilayer sheet according to claim 1, characterized in that the thickness of the second veneer layer (5), the central veneer layer (6), the third veneer layer (7), the first veneer layer (2) and the fourth veneer layer (10) is 2.5mm ± 0.5 mm.
5. The moisture-resistant and flame-retardant multilayer sheet according to claim 1, wherein the first aluminum foil layer (3) and the second aluminum foil layer (9) have a thickness of 0.1mm to 0.8 mm.
6. The moisture-resistant and flame-retardant multilayer sheet according to claim 1, wherein the aluminum foil used in the first aluminum foil layer (3) and the second aluminum foil layer (9) is plasma treated.
7. The moisture-resistant and flame-retardant multilayer plate according to claim 1, wherein the first moisture-resistant layer (4) and the second moisture-resistant layer (8) are made of PP or PE.
8. The moisture-resistant and flame-retardant multilayer board according to claim 1, wherein the first veneer layer, the first aluminum foil layer, the first moisture-resistant layer, the second veneer layer, the central veneer layer, the third veneer layer, the second moisture-resistant layer, the second aluminum foil layer, the fourth veneer layer and the second veneer layer are adhered together by an adhesive layer.
9. The moisture resistant and flame retardant multiwall sheet according to claim 1, wherein at least one veneer layer is attached to each of the top and bottom surfaces of the assembled sheet.
10. The moisture resistant and flame retardant multiwall sheet of claim 1, wherein the veneer layers in the assembled sheet are assembled in a staggered manner, two by two, across and across.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986536.9U CN216267970U (en) | 2020-12-11 | 2020-12-11 | Dampproofing fire-retardant type multiply wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986536.9U CN216267970U (en) | 2020-12-11 | 2020-12-11 | Dampproofing fire-retardant type multiply wood |
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| CN216267970U true CN216267970U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022986536.9U Active CN216267970U (en) | 2020-12-11 | 2020-12-11 | Dampproofing fire-retardant type multiply wood |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986626A (en) * | 2022-06-23 | 2022-09-02 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer and preparation method thereof |
| US11525226B2 (en) * | 2019-07-01 | 2022-12-13 | Goodrich Corporation | Thermally layered fire treated veneer panel |
-
2020
- 2020-12-11 CN CN202022986536.9U patent/CN216267970U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11525226B2 (en) * | 2019-07-01 | 2022-12-13 | Goodrich Corporation | Thermally layered fire treated veneer panel |
| CN114986626A (en) * | 2022-06-23 | 2022-09-02 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer and preparation method thereof |
| CN114986626B (en) * | 2022-06-23 | 2023-08-11 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer board and preparation method thereof |
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