CN215882865U - Fireproof, wear-resistant and weather-resistant composite structure plywood - Google Patents
Fireproof, wear-resistant and weather-resistant composite structure plywood Download PDFInfo
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- CN215882865U CN215882865U CN202122191746.3U CN202122191746U CN215882865U CN 215882865 U CN215882865 U CN 215882865U CN 202122191746 U CN202122191746 U CN 202122191746U CN 215882865 U CN215882865 U CN 215882865U
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Abstract
The utility model provides a fireproof, wear-resistant and weather-resistant composite structural plywood which has the advantages of fire resistance, wear resistance and weather resistance, is easy to produce and has a flat surface. The plywood comprises a plywood board which is a core layer, wherein a soft wood board, a thin fiber board and a HPL fireproof board are sequentially arranged from the core layer to two sides, and the plywood boards are bonded by an adhesive. The plywood is I type plywood. The cork plate is coated with fireproof paint on the surfaces of two sides. The thin fiberboard is a medium density fiberboard. The adhesive is a single-component polyurethane adhesive.
Description
Technical Field
The utility model relates to the technical field of composite structure plywood, in particular to fireproof, wear-resistant and weather-resistant composite structure plywood.
Background
The composite structure plywood is a structural material which is processed by utilizing various veneers through a series of procedures of gluing, assembling, pressurizing, curing and the like, has excellent structural performance and economic benefit, can meet the specified functional requirements, and is widely applied to the fields of furniture, packaging, indoor and outdoor decoration and the like. However, because the quality of the plywood with a composite structure is related to the structural design of the plywood, including the quality of veneers, the types of adhesives and other factors, the performance of the plywood with the composite structure has great variability and uncertainty, and the plywood with the composite structure is difficult to simultaneously meet excellent fire resistance, wear resistance and weather resistance, so that the application range and the economic benefit of products are greatly influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a fire-proof, wear-resistant and weather-resistant composite structural plywood having fire-proof, wear-resistant and weather-resistant properties, which is easy to manufacture and has a flat surface.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the fireproof, wear-resistant and weather-resistant composite structure plywood comprises a plywood body, wherein the plywood body is a core layer, a cork plate, a thin fiber plate and an HPL fireproof plate are sequentially arranged from the core layer to two sides, and the plywood layers are bonded through an adhesive.
The fireproof, wear-resistant and weather-resistant composite structure plywood is I-type plywood.
The fireproof, wear-resistant and weather-resistant composite structure plywood is characterized in that the surfaces of two sides of the soft wood board are coated with fireproof coatings.
The fireproof, wear-resistant and weather-resistant composite structure plywood is characterized in that the thin fiberboard is a medium-density fiberboard.
According to the fireproof, wear-resistant and weather-resistant composite structure plywood, the adhesive is a single-component polyurethane adhesive.
The fireproof, wear-resistant and weather-resistant composite structure plywood has the advantages that the cork boards, the thin fiber boards and the HPL fireproof boards on the two sides of the core layer are symmetrical through the core layer. The composite structure plywood with the symmetrical structure is not easy to deform.
The utility model has the beneficial effects that:
the I-type plywood is the plywood with the highest performance grade in the national standard plywood classification, and can be used as weather-resistant plywood under outdoor conditions.
The cork board belongs to the prior art, is formed by self-adhesion of barks of cork oak, is an excellent natural fireproof heat-insulating weather-resistant material, and can play a more excellent fireproof performance by being coated and dipped with a fireproof coating containing a flame retardant. The fireproof paint belongs to the prior art, and the quality of the fireproof paint is not lower than the requirement of national standard 'finishing type fireproof paint' (GB 12441-2018).
The medium-density fiberboard integrates the characteristics of low-density fiberboard and high-density fiberboard, not only meets the requirement of surface flatness, but also plays a leveling role and reduces the production cost.
The HPL fireproof plate belongs to the prior art, is a thermosetting resin impregnated paper high-pressure laminated plate, has the functions of surface layer fire prevention and wear resistance, and has excellent fire resistance and weather resistance.
The single-component polyurethane adhesive is an environment-friendly cold-pressing adhesive without formaldehyde release, has excellent bonding performance, and tightly bonds all plates of a composite structure plywood into a whole, so that the single-component polyurethane adhesive has excellent fireproof, wear-resistant and weather-resistant performances.
In a word, through the I class plywood of single component polyurethane adhesive veneer, through the cork board, the thin fibreboard and the HPL PLASTIC LAMINATED that coat fire retardant coating, the composite construction plywood that obtains has following advantage:
1. compared with the common composite structure plywood, the fireproof, wear-resistant and weather-resistant composite structure plywood has excellent fireproof performance, wear resistance and weather resistance. The plywood can be applied to places with higher requirements on fire resistance, wear resistance and weather resistance while the structural performance of the plywood is met, and the application range and the economic benefit of the plywood with the composite structure are improved.
2. The utility model fully utilizes the wear resistance, weather resistance and fire resistance of the HPL fireproof plate, and simultaneously matches the heat insulation, flame retardance and weather resistance of the cork plate which is processed by dipping and brushing the fireproof coating to achieve the effects of double fireproof, flame retardance and weather resistance, thereby realizing the excellent fireproof, wear-resistant and weather-resistant properties of the composite structure plywood and being suitable for various occasions with higher requirements.
3. The utility model adopts the thin medium density fiberboard as the leveling layer, and effectively improves the surface flatness of the HPL fireproof board during gluing on the basis of not obviously increasing the thickness of the composite structure plywood, thereby improving the overall quality and the production efficiency of the composite structure plywood.
4. The single-component polyurethane adhesive is used for cementing all components, the adhesive is an environment-friendly cold-pressing adhesive without formaldehyde release, the bonding performance is excellent, the bonding production can be completed without hot pressing, and the production energy consumption is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a fire-resistant, wear-resistant, and weather-resistant composite structural plywood;
FIG. 2 is a schematic cross-sectional view of a fire-resistant, abrasion-resistant, weather-resistant composite structural plywood.
Reference numbers in the figures: 1. a class I plywood; 2. the surfaces of both sides of the cork board are coated with fireproof paint; 3. a thin fiber sheet; 4. HPL fire protection plate; 5. the single-component polyurethane adhesive.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 and 2, the present invention comprises plywood 1, a cork board 2 treated with a fire retardant coating (fire retardant coating is coated on both surfaces), a thin fiber board 3, a HPL fire retardant board 4, and a one-pack polyurethane adhesive 5.
The plywood is I-type plywood 1, has weather-proof and heat-resistant performances and can be used outdoors, the cork board 2 treated by the fireproof coating is formed by self-adhesion of barks of cork oak and is prepared by impregnation treatment of the fireproof coating containing a fire retardant, the thin fiberboard 3 is a medium-density fiberboard, and the HPL fireproof board 4 is a thermosetting resin impregnated paper high-pressure laminated board. The composite structure plywood is formed by gluing a type I plywood 1, a cork board 2 treated by fireproof paint, a thin fiber board 3 and an HPL fireproof board 4 through a single-component polyurethane adhesive 5.
During the use, firstly, the single-component polyurethane adhesive 5 is applied to the surfaces of the two sides of the I-type plywood 1, the single-component polyurethane adhesive 5 and the cork board 2 subjected to fireproof coating treatment are assembled, the single-component polyurethane adhesive 5 is applied to the surfaces of the two sides of the cork board 2 subjected to fireproof coating treatment, the single-component polyurethane adhesive 5 and the medium-density fiberboard 3 are assembled, then the single-component polyurethane adhesive 5 is applied to the surfaces of the two sides of the medium-density fiberboard 3 and is assembled with the HPL fireproof board 4, and then the whole slab completed by assembly is subjected to cold pressing and health preservation.
In the composite structural plywood, the I-type plywood is the plywood with the highest performance grade in the national standard plywood classification, and can be used as weather-resistant plywood under outdoor conditions. The cork board is formed by self-adhesion of bark of cork oak, is an excellent natural fireproof heat-insulating weather-resistant material, and can play a more excellent fireproof performance by being coated and dipped with a fireproof coating containing a flame retardant. The medium-density fiberboard integrates the characteristics of low-density fiberboard and high-density fiberboard, not only meets the requirement of surface flatness, but also plays a leveling role and reduces the production cost. The HPL fireproof plate has the functions of surface layer fire prevention and wear resistance, and has excellent fire resistance and weather resistance. The single-component polyurethane adhesive is an environment-friendly cold-pressing adhesive without formaldehyde release, has excellent bonding performance, and tightly bonds all components of a composite structure plywood into a whole, so that the composite structure plywood has excellent fireproof, wear-resistant and weather-resistant performances.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Fire prevention wear-resisting resistant composite construction plywood, including the plywood, characterized by: the plywood is a core layer, a soft wood board, a thin fiber board and an HPL fireproof board are sequentially arranged from the core layer to two sides, and the board layers are bonded by an adhesive.
2. The plywood of claim 1, wherein the plywood is a type i plywood.
3. The fire, wear and weather resistant composite structural plywood of claim 1 wherein said cork board is coated on both surfaces with fire retardant coatings.
4. The fire-resistant, abrasion-resistant, and weather-resistant composite structural plywood of claim 1, wherein said thin fiberboard is medium density fiberboard.
5. The plywood of claim 1, wherein the adhesive is a one-component polyurethane adhesive.
6. The fire-resistant, wear-resistant, and weather-resistant composite structural plywood as claimed in claim 1, wherein the cork, thin fiber, and HPL fire-resistant boards on both sides of the core layer are symmetrical about the core layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191746.3U CN215882865U (en) | 2021-09-10 | 2021-09-10 | Fireproof, wear-resistant and weather-resistant composite structure plywood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191746.3U CN215882865U (en) | 2021-09-10 | 2021-09-10 | Fireproof, wear-resistant and weather-resistant composite structure plywood |
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| Publication Number | Publication Date |
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| CN215882865U true CN215882865U (en) | 2022-02-22 |
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| CN202122191746.3U Active CN215882865U (en) | 2021-09-10 | 2021-09-10 | Fireproof, wear-resistant and weather-resistant composite structure plywood |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888907A (en) * | 2022-05-07 | 2022-08-12 | 南京林业大学 | Preparation method of fireproof, waterproof and wear-resistant composite-structure artificial board |
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2021
- 2021-09-10 CN CN202122191746.3U patent/CN215882865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888907A (en) * | 2022-05-07 | 2022-08-12 | 南京林业大学 | Preparation method of fireproof, waterproof and wear-resistant composite-structure artificial board |
| CN114888907B (en) * | 2022-05-07 | 2023-01-20 | 南京林业大学 | A kind of preparation method of composite structure wood-based panel with fire prevention, waterproof and wear resistance |
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