CN210940791U - Formaldehyde-free flame-retardant veneer chipboard and composite floor - Google Patents
Formaldehyde-free flame-retardant veneer chipboard and composite floor Download PDFInfo
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- CN210940791U CN210940791U CN201921001337.9U CN201921001337U CN210940791U CN 210940791 U CN210940791 U CN 210940791U CN 201921001337 U CN201921001337 U CN 201921001337U CN 210940791 U CN210940791 U CN 210940791U
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Abstract
The utility model discloses a fire-retardant veneer shaving board and laminate flooring of no aldehyde, this fire-retardant veneer shaving board of no aldehyde include the sandwich layer and locate the top layer of sandwich layer both sides, are equipped with first fire-retardant layer in the outside on top layer, and this first fire-retardant layer is formed by adding organic montmorillonite and phosphoric acid melamine borate powder in soybean protein glues. The melamine phosphate borate is used as a flame retardant in the first flame-retardant layer, and the melamine phosphate borate has low moisture absorption, strong anti-loss performance, good thermal stability and high compatibility with high polymer materials; the soybean protein adhesive is environment-friendly and non-toxic, does not release formaldehyde, and the organic montmorillonite can improve the bonding strength and water resistance of the soybean protein adhesive; so the utility model discloses can with setting up in the top layer outside between the first fire-retardant layer, realize the comprehensive fire-retardant protection to the veneer shaving board, and fire behaviour is high, fire-retardant longe-lived.
Description
Technical Field
The utility model belongs to the technical field of can veneer shaving board preparation, concretely relates to fire-retardant veneer shaving board of no aldehyde and laminate flooring.
Background
Flakeboards (commonly known as LSB boards) with decorative surfaces are an improvement of flakeboards (commonly known as OSB boards) with oriented structures, and pits are inevitably left on the surfaces of the OSB boards in the construction process, so that the smoothness is poor, and the appearance quality is reduced. And the outermost side of the LSB plate is paved by adopting smaller planing pieces, so that the surface of the finished plate after processing is very smooth and flat, and various surface decorations can be carried out.
The LSB plate has a high bending strength and is widely used as a floor base material. With the increasing demand of people on the safety of building and house plates, the LSB plate is also required to have certain flame retardant property at present, and the flame retardant property needs to be realized by adding a flame retardant material.
If the Chinese utility model with the publication number of CN205184974U discloses a formaldehyde purification flame-retardant oriented strand board, which comprises a substrate layer, an upper surface decorative adhesive film paper layer and a lower surface decorative adhesive film paper layer, wherein the upper surface decorative adhesive film paper layer and the lower surface decorative adhesive film paper layer are respectively adhered to and glued on the upper surface and the lower surface of the substrate layer; the substrate layer is directional wood shaving board layer, and this directional wood shaving board layer includes two upper and lower top layers according to its fibre direction longitudinal arrangement with the wood shaving of mixing glue and according to the sandwich layer of its fibre direction transverse arrangement, all is equipped with fire-retardant layer between top layer and the sandwich layer.
The oriented strand board has the following disadvantages: the flame-retardant layer is arranged between the surface layer and the core layer, so that effective flame-retardant protection is difficult to implement on the surface layer; the specific composition of the flame-retardant layer is not disclosed, and the traditional halogen flame retardant can generate hydrogen halide smoke after combustion, and the hydrogen halide smoke has high toxicity, is difficult to degrade and is not environment-friendly; the metal oxide powdery flame retardant is easy to destroy the bonding strength of the base material; the inorganic flame retardant has strong hygroscopicity and poor anti-loss performance, and leads to short flame retardant life of the plate.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide an aldehyde-free flame-retardant veneer-faced shaving board and a composite floor board which have long flame-retardant service life and high flame-retardant performance.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the formaldehyde-free flame-retardant veneer board comprises a core layer and surface layers arranged on two sides of the core layer, wherein a first flame-retardant layer is arranged on the outer side of the surface layer, and the first flame-retardant layer is formed by adding organic montmorillonite and melamine phosphate borate powder into soybean protein glue. That is, the first flame-retardant layer is a soy protein glue layer to which melamine phosphate borate powder and organic montmorillonite are added.
The utility model discloses an use phosphoric acid melamine borate as the fire retardant in the first fire-retardant layer, phosphoric acid melamine borate is the unimolecule intumescent fire retardant of collection charcoal source (charring agent), acid source (dehydrating agent) and air supply (foamer) in a molecule, and its hygroscopicity is low, anti disappearance performance is strong, the thermal stability is good, high with macromolecular material's compatibility, consequently has good fire behaviour, and fire-retardant longe-lived.
Meanwhile, the first flame-retardant layer takes the soybean protein adhesive as an adhesive, and the soybean protein adhesive is environment-friendly and non-toxic and can not release formaldehyde; meanwhile, organic montmorillonite is added into the soybean protein adhesive, and the organic montmorillonite can improve the bonding strength and the water resistance of the soybean protein adhesive, further reduce the moisture absorption of the first flame-retardant layer and ensure the flame-retardant service life of the plate.
Because melamine phosphate borate itself hygroscopicity is low, and organic montmorillonite gives first fire-retardant layer good intensity and water proofness again simultaneously, consequently the utility model discloses can set up in the top layer outside between the first fire-retardant layer, realize the comprehensive fire-retardant protection to the veneer shaving board.
In the above, a second flame retardant layer is disposed between the core layer and the surface layer. The layered flame retardance can further improve the flame retardant efficiency of the plate.
In the above-mentioned formaldehyde-free flame-retardant veneer board, the second flame-retardant layer is formed by adding organic montmorillonite and melamine phosphate borate powder to soybean protein glue.
In the formaldehyde-free flame-retardant veneer board, the content of the melamine phosphate borate powder in the first flame-retardant layer is 10-15 g/100 g of soybean protein glue; the content of the organic montmorillonite is 8-10 g/100 g of soybean protein glue.
In the second flame-retardant layer, the content of the melamine phosphate borate powder is 5-10 g/100 g of soybean protein glue; the content of the organic montmorillonite is 5-8 g/100 g of soybean protein glue.
The content of the melamine phosphate borate powder in the second flame-retardant layer can be lower than that of the first flame-retardant layer, so that the manufacturing cost of the formaldehyde-free flame-retardant veneer particle board is reduced.
In the formaldehyde-free flame-retardant veneer board, borax powder is dispersed in the second flame-retardant layer. Borax powder not only can further improve the fire behaviour on the fire-retardant layer of second, still makes the utility model discloses a but there is not fire-retardant veneer shaving board of aldehyde has certain corrosion resisting property.
In the formaldehyde-free flame-retardant veneer board, the content of borax powder in the second flame-retardant layer is 3-5 g/100 g of adhesive. Since borax powder has a certain toxicity, its content should not be too high.
In the formaldehyde-free flame-retardant veneer particle board, the particle size of the borax powder is 50-200 meshes. The smaller borax powder particles can avoid the influence of the addition of borax powder on the bonding strength of the soybean protein glue.
The utility model also provides a composite floor, this composite floor include the substrate, the substrate promptly foretell fire-retardant veneer shaving board of no aldehyde.
In foretell laminate flooring, the upper surface of substrate be equipped with first science and technology wood veneer layer, the fire-retardant layer of third, melamine paper and transparent wearing layer in proper order, the lower surface of substrate be equipped with second science and technology wood veneer layer, puigging and dampproof course in proper order. The first technical wood veneer layer and the second technical wood veneer layer can reduce the thickness of the base material and improve the strength of the composite floor; the third flame-retardant layer can further improve the flame-retardant performance of the composite floor, and the composition of the third flame-retardant layer can be the same as that of the first flame-retardant layer.
In the composite floor, the sound absorbing holes are arranged in a strip shape, the sound absorbing holes are at least two in parallel, the length extending direction of all the sound absorbing holes is the same as the plane where the sound insulating layer is located, and the two ends of each sound absorbing hole extend to the edge of the sound insulating layer respectively.
Compared with the prior art, the beneficial effects of this practical information embody:
(1) the utility model discloses an use phosphoric acid melamine borate as the fire retardant in the first fire-retardant layer, phosphoric acid melamine borate is the unimolecule intumescent fire retardant of collection charcoal source (charring agent), acid source (dehydrating agent) and air supply (foamer) in a molecule, and its hygroscopicity is low, anti disappearance performance is strong, the thermal stability is good, high with macromolecular material's compatibility, consequently has good fire behaviour, and fire-retardant longe-lived.
(2) The first flame-retardant layer of the utility model takes the soybean protein adhesive as the adhesive, and the soybean protein adhesive is environment-friendly and nontoxic and can not release formaldehyde; meanwhile, organic montmorillonite is added into the soybean protein adhesive, and the organic montmorillonite can improve the bonding strength and the water resistance of the soybean protein adhesive, further reduce the moisture absorption of the first flame-retardant layer and ensure the flame-retardant service life of the plate.
(3) Because melamine phosphate borate itself hygroscopicity is low, and organic montmorillonite gives first fire-retardant layer good intensity and water proofness again simultaneously, consequently the utility model discloses can set up in the top layer outside between the first fire-retardant layer, realize the comprehensive fire-retardant protection to the veneer shaving board.
Drawings
Fig. 1 is a schematic structural view of the formaldehyde-free flame-retardant veneer particle board of the present invention;
fig. 2 is a schematic structural view of the composite floor of the present invention.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1, the formaldehyde-free flame retardant faced chipboard 1 of this embodiment includes a core layer 11 and surface layers 12 disposed on two sides of the core layer 11, a second flame retardant layer 14 is disposed between the core layer 11 and the surface layers 12, and a first flame retardant layer 13 is disposed on an outer side (i.e., a side away from the core layer 11) of the surface layers 12. The layered flame retardance can further improve the flame retardant efficiency of the plate.
In this embodiment, the first flame-retardant layer 13 is formed by adding organic montmorillonite and melamine phosphate borate powder to the soy protein glue, wherein the melamine phosphate borate powder is used as a flame retardant, and the organic montmorillonite is used for modifying the soy protein glue to improve the water resistance of the first flame-retardant layer 13.
In the first flame retardant layer 13 of this example, the content of melamine phosphate borate powder was 10 g/100 g of soybean protein glue; the content of the organic montmorillonite is 8 g/100 g of soybean protein glue. Before being added into the soybean protein glue, the melamine phosphate borate powder and the organic montmorillonite are fully ground and sieved by a 200-mesh sieve.
In this embodiment, the second flame retardant layer 14 is also formed by adding organic montmorillonite and melamine phosphate borate powder to the soy protein adhesive, but the content of the melamine phosphate borate powder in the second flame retardant layer 14 is relatively low, 8 g/100 g of the soy protein adhesive; the content of the organic montmorillonite is 5 g/100 g of soybean protein glue. So as to reduce the manufacturing cost of the formaldehyde-free flame-retardant veneer particle board 1.
In addition, borax powder with the particle size of 200 meshes is dispersed in the second flame-retardant layer 14, and the borax powder can further improve the flame retardant property of the second flame-retardant layer and endow the formaldehyde-free flame-retardant veneer particle board 1 with certain corrosion resistance. In the second flame retardant layer 14 of this embodiment, the content of borax powder is 3 g/100 g of adhesive. Since borax powder has a certain toxicity, its content should not be too high.
Example 2
As shown in fig. 2, the present embodiment is a composite floor comprising a substrate, which is the formaldehyde-free fire retardant faced chipboard 1 of example 1.
As can be seen from fig. 2, the upper surface of the base material is sequentially provided with a first technical wood veneer layer 2, a third flame-retardant layer 3, melamine paper 4 and a transparent wear-resistant layer 5, and the lower surface of the base material is sequentially provided with a second technical wood veneer layer 6, a sound-insulating layer 7 and a moisture-proof layer 8; the second-technology wood veneer layer 6 and the sound insulation layer 7, and the sound insulation layer 7 and the moisture-proof layer 8 are bonded with each other through adhesive layers 9; in this embodiment, the adhesive layer 9 is also made of soy protein adhesive.
Wherein, the thickness that first science and technology wood veneer layer 2 and second science and technology wood veneer layer 6 can reduce the substrate (can make 12mm thick, and need make 18mm thick when no aldehyde fire-retardant veneer chipboard 1 exclusive use), improves laminate flooring's intensity.
The third flame-retardant layer 3 is the same as the first flame-retardant layer 13 and is also formed by adding organic montmorillonite and melamine phosphate borate powder into the soybean protein glue, wherein the content of the melamine phosphate borate powder is 10 g/100 g of the soybean protein glue; the content of the organic montmorillonite is 8 g/100 g of soybean protein glue. The third flame-retardant layer 3 is arranged, so that the flame retardant performance of the composite floor can be further improved, and the third flame-retardant layer 3 is a first flame-retardant layer 13.
As shown in fig. 2, in the present embodiment, the sound insulation layer 7 is provided with at least two strip-shaped sound absorption holes 71, the sound absorption holes 71 are arranged in parallel, the length extending direction of all the sound absorption holes 71 is the same as the plane of the sound insulation layer 7, and two ends of the sound absorption holes 71 respectively extend to the edge of the sound insulation layer 7.
Claims (9)
1. The formaldehyde-free flame-retardant veneer board (1) comprises a core layer (11) and surface layers (12) arranged on two sides of the core layer (11), and is characterized in that a first flame-retardant layer (13) is arranged on the outer side of the surface layers (12), and the first flame-retardant layer (13) is formed by adding organic montmorillonite and melamine phosphate borate powder into soybean protein glue.
2. The formaldehyde-free flame-retardant veneer board (1) according to claim 1, wherein a second flame-retardant layer (14) is provided between the core layer (11) and the surface layer (12).
3. The formaldehyde-free flame-retardant veneer chipboard (1) as claimed in claim 2, wherein said second flame-retardant layer (14) is formed by adding an organic montmorillonite and melamine phosphate borate powder to the soy protein glue.
4. The formaldehyde-free flame retardant veneer chipboard (1) of claim 3, wherein the second flame retardant layer (14) has borax powder dispersed therein.
5. The formaldehyde-free flame-retardant veneer chipboard (1) according to claim 4, characterized in that the content of borax powder in said second flame-retardant layer (14) is 3-5 g/100 g of soy protein glue.
6. The formaldehyde-free flame retardant veneer particle board (1) according to claim 4, wherein the particle size of the borax powder is 50-200 mesh.
7. A composite floor comprising a substrate, characterized in that the substrate is an aldehyde-free flame retardant faceable particle board (1) according to any of claims 1-6.
8. The composite floor according to claim 7, wherein the upper surface of the base material is sequentially provided with a first technical wood veneer layer (2), a third flame retardant layer (3), melamine paper (4) and a transparent wear layer (5), and the lower surface of the base material is sequentially provided with a second technical wood veneer layer (6), a sound insulation layer (7) and a moisture-proof layer (8).
9. The composite floor according to claim 8, wherein the sound insulation layer (7) is provided with at least two sound absorption holes (71) in a strip shape, the sound absorption holes (71) are arranged in parallel, the length extension direction of all the sound absorption holes (71) is the same as the plane of the sound insulation layer (7), and two ends of the sound absorption holes (71) respectively extend to the edge of the sound insulation layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001337.9U CN210940791U (en) | 2019-06-28 | 2019-06-28 | Formaldehyde-free flame-retardant veneer chipboard and composite floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001337.9U CN210940791U (en) | 2019-06-28 | 2019-06-28 | Formaldehyde-free flame-retardant veneer chipboard and composite floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210940791U true CN210940791U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921001337.9U Active CN210940791U (en) | 2019-06-28 | 2019-06-28 | Formaldehyde-free flame-retardant veneer chipboard and composite floor |
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| Country | Link |
|---|---|
| CN (1) | CN210940791U (en) |
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- 2019-06-28 CN CN201921001337.9U patent/CN210940791U/en active Active
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Address after: 5 / F, building 1, No. 152, yunyun street, Liangzhu street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Qiannianzhou New Material Technology Group Co.,Ltd. Address before: 5 / F, building 1, No. 152, yunyun street, Liangzhu street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: TREEZO NEW MATERIAL TECHNOLOGY GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |