CN112140252A - Ecological plate and one-step composite forming process thereof - Google Patents
Ecological plate and one-step composite forming process thereof Download PDFInfo
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- CN112140252A CN112140252A CN202010995353.5A CN202010995353A CN112140252A CN 112140252 A CN112140252 A CN 112140252A CN 202010995353 A CN202010995353 A CN 202010995353A CN 112140252 A CN112140252 A CN 112140252A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to an ecological plate and a one-step composite forming process thereof. It solves the cracked technical problem of current ecological plate. The one-step composite molding process of the ecological plate comprises the following steps: s1, preparing raw materials of an ecological board, wherein the ecological board comprises an outer layer, an upper surface layer, a middle surface layer, a core layer and a carbon fiber waterproof adhesive film, and the carbon fiber waterproof adhesive film is formed by mixing and extending polyurethane hot melt adhesive, reinforcing carbon fibers and fillers; s2, stacking the core layer, the carbon fiber waterproof glue film, the middle surface layer, the carbon fiber waterproof glue film, the upper surface layer, the carbon fiber waterproof glue film and the outer layer on hot-pressing equipment simultaneously according to the stacking sequence from bottom to top, wherein the thickness of the carbon fiber waterproof glue film is gradually increased from top to bottom; s3, using the hot-pressing equipment at the temperature of 110-140 ℃ to perform one-step hot-pressing forming on the raw materials stacked in the step 2 to obtain the ecological plate. The application has the advantages that: the control requirement of the adhesive film on the water content of the material is reduced, and the influence of water on the later deformation, cracking and the like of the artificial board can be effectively reduced.
Description
Technical Field
The invention belongs to the technical field of plate processing, and particularly relates to an ecological plate and a one-step composite forming process thereof.
Background
The ecological plate belongs to an artificial board, and is connected by urea-formaldehyde glue in a pressing mode.
The current thermocompression bonding has two modes: direct sticking and re-sticking processes.
The direct sticking process comprises the following steps: gluing, assembling, hot-pressing and compounding the base material and thin wood layers such as technical wood, birch, oak and the like, sanding and maintaining for 1-2 days, and then decorating the surface of the compounded base plate with surface layers such as melamine \ PP \ PVC and the like to form a finished product; the mode has low efficiency, long period and high requirement on the board core.
The re-pasting process comprises the following steps: the veneer is prepared by hot-pressing and compounding technical wood, birch, oak and other veneers with melamine \ PP \ PVC and other finish materials for later use, and then hot-pressing and compounding the substrate layer and the finish composite layer through an adhesive to form a finished product. For example, the chinese patent discloses an aldehyde-free glue film composite veneer and an automatic plywood-arranging production process using the same: the scheme relates to an aldehyde-free adhesive film composite veneer which comprises a veneer, wherein a layer of aldehyde-free adhesive film is bonded on the veneer; the scheme also relates to an automatic board arranging production process of the plywood, which comprises the aldehyde-free glue film composite veneer. According to the scheme, the production process of the plywood is improved, the aldehyde-free glue film composite veneer formed by bonding the veneer and the aldehyde-free glue film is prepared firstly, the plywood is formed by hot pressing after the aldehyde-free glue film composite veneer is used for board arrangement, the production efficiency is greatly improved, meanwhile, mechanical automatic board arrangement is realized, the labor intensity of workers is reduced, the board arrangement precision is improved, the board arrangement gap is reduced, and the quality of the plywood is improved. Although the re-pasting process solves the efficiency problem and the quality problem of the board core, the overall surface of the re-pasted product is glossy and the decorative effect is reduced.
Secondly, the control of the water content of the single board and the core of the existing artificial board influences the problems of deformation, cracking and the like of the regional use in the later period.
Disclosure of Invention
The invention aims to solve the problems and provides an ecological plate and a one-step composite forming process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the one-step composite molding process of the ecological plate comprises the following steps:
s1, preparing raw materials of an ecological board, wherein the ecological board comprises an outer layer, an upper surface layer, a middle surface layer, a core layer and a carbon fiber waterproof adhesive film, and the carbon fiber waterproof adhesive film is formed by mixing and extending polyurethane hot melt adhesive, reinforcing carbon fibers and fillers;
s2, stacking the core layer, the carbon fiber waterproof glue film, the middle surface layer, the carbon fiber waterproof glue film, the upper surface layer, the carbon fiber waterproof glue film and the outer layer on hot-pressing equipment simultaneously according to the stacking sequence from bottom to top, wherein the thickness of the carbon fiber waterproof glue film is gradually increased from top to bottom;
s3, using the hot-pressing equipment at the temperature of 110-140 ℃ to perform one-step hot-pressing forming on the raw materials stacked in the step 2 to obtain the ecological plate.
The thickness of the carbon fiber waterproof adhesive film is gradually increased from top to bottom, so that different raw materials can be subjected to plane filling conveniently, and the flatness and the planeness of the final plate are ensured.
In the one-step composite molding process of the ecological plate, the ratio of the polyurethane hot melt adhesive, the reinforcing carbon fibers and the filler is 8-9: 1: 0.2-0.6.
In the one-step composite molding process of the ecological plate, the diameter of the reinforced carbon fiber is 0.2-0.5mm, and the length of the reinforced carbon fiber is 1-20 mm.
In the one-step composite forming process of the ecological plate, the thicknesses of the outer layer, the upper surface layer, the middle surface layer and the core layer are gradually thickened from top to bottom.
In the one-step composite molding process of the ecological plate, the filler is a mixture of a coupling agent and a catalyst.
In the one-step composite molding process of the ecological plate, the mixing ratio of the coupling agent to the catalyst is 1: 1.
In the one-step composite forming process of the ecological board, the outer layer is a melamine paper facing; the upper surface layer is a technical wood or thin wood layer; the middle surface layer is a wood veneer; the core layer is any one of flakeboard, OSB oriented strand board, multi-layer board and fir/poplar core board.
In the one-step composite forming process of the ecological plate, the carbon fiber waterproof glue film has no viscosity at normal temperature.
The ecological plate is manufactured according to the one-step composite molding process of the ecological plate.
Compared with the prior art, the ecological plate and the one-step composite molding process thereof have the advantages that: the adhesive film is used for replacing the conventional adhesive and is used for adhering a technical wood layer, and compared with a direct sticking process, the process has the advantages that one sanding step and one hot pressing step are omitted, and the production cycle is shortened by at least three days; compared with the re-pasting process, one hot pressing procedure is reduced, and the production period is shortened by more than two days.
The control requirement of the adhesive film on the water content of the material is reduced, the influence of moisture on later deformation, cracking and the like of the artificial board can be effectively reduced, and the drying cost of the material is reduced.
Drawings
Fig. 1 is a schematic diagram of an ecological plate structure provided by the invention.
In the figure, an outer layer 1, an upper surface layer 2, a middle surface layer 3, a core layer 4 and a carbon fiber waterproof glue film 5.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the ecological plate comprises an outer layer 1, an upper surface layer 2, a middle surface layer 3 and a core layer 4, wherein a layer of carbon fiber waterproof glue film 5 is respectively arranged between the outer layer 1 and the upper surface layer 2, between the upper surface layer 2 and the middle surface layer 3 and between the middle surface layer 3 and the core layer 4.
The carbon fiber has many excellent properties, high axial strength and modulus, low density, high specific performance, no creep deformation, super high temperature resistance in non-oxidation environment, good fatigue resistance, specific heat and conductivity between nonmetal and metal, small thermal expansion coefficient, anisotropy, good corrosion resistance, no swelling when being insoluble in organic solvent, acid and alkali, outstanding corrosion resistance, good combination with hot melt adhesive and mechanical reinforcement effect.
The thickness of the carbon fiber waterproof glue film 5 is gradually increased from top to bottom.
The one-step composite molding process of the ecological plate comprises the following steps:
s1, preparing raw materials of an ecological board, wherein the ecological board comprises an outer layer 1, an upper surface layer 2, a middle surface layer 3, a core layer 4 and a carbon fiber waterproof adhesive film 5, and the carbon fiber waterproof adhesive film 5 is formed by mixing and extending polyurethane hot melt adhesive, reinforcing carbon fibers and fillers; specifically, the ratio of the polyurethane hot melt adhesive, the reinforcing carbon fibers and the filler in the embodiment is 8-9: 1: 0.2-0.6.
Preferably, 800 parts of polyurethane hot melt adhesive, 8 parts of reinforcing carbon fiber and 1.6 parts of filler by weight. Next, the diameter of the reinforcing carbon fiber of this example is 0.2 to 0.5mm, and the length is 1 to 20 mm.
Preferably, the reinforcing carbon fibers have a diameter of 0.4mm and a length of 10 mm.
Carbon fiber waterproof glue membrane 5 is formed by polyurethane hot melt adhesive, reinforcing carbon fiber and the even mixing extension of filler, and its normal atmospheric temperature of this kind of carbon fiber waterproof glue membrane 5 does not have the viscidity down to in storage and transportation, and mat formation before the hot pressing, can also further improve the efficiency of mat formation, with the whole production efficiency of improvement.
Further, the filler is a mixture of a coupling agent and a catalyst. The coupling agent is titanium, the catalyst is silane and the like, the adaptability of the coupling agent to the air humidity change plate is enhanced, the conditions of cracking, deformation and the like caused by high water content of the final hot-pressed plate can be prevented, and the subsequent drying cost can be effectively reduced.
S2, stacking the core layer 4, the carbon fiber waterproof glue film 5, the middle surface layer 3, the carbon fiber waterproof glue film 5, the upper surface layer 2, the carbon fiber waterproof glue film 5 and the outer layer 1 on a hot-pressing device simultaneously according to the stacking sequence from bottom to top, wherein the thickness of the carbon fiber waterproof glue film 5 is gradually thickened from top to bottom;
the difference of the thickness of the waterproof glue film 5 has the following advantages: the thickness of the carbon fiber waterproof glue film layer is adjusted according to the glue amount required by each layer of thickness glue, the glue amount in the middle layer is required to be maximum, and the thickness is thickest so as to ensure the structural strength, the smoothness and the high flatness of the final plate.
S3, using the hot-pressing equipment at the temperature of 110-140 ℃ to perform one-step hot-pressing forming on the raw materials stacked in the step 2 to obtain the ecological plate.
The one-step molding and waterproof glue film can overcome the defects of high cost and more processes in multiple molding, simultaneously can reduce energy consumption required by hot pressing, and can effectively improve the strength of the ecological plate, particularly the static bending strength and the elastic modulus.
Further, the thicknesses of the outer layer 1, the upper surface layer 2, the middle surface layer 3 and the core layer 4 are gradually thickened from top to bottom.
Secondly, the outer layer 1 is a melamine paper veneer; the upper surface layer 2 is a technical wood or veneer layer; the middle surface layer 3 is a wood veneer; the core layer 4 is any one of a flakeboard, an OSB oriented strand board, a multi-layer board and a fir/poplar core board.
Example one
The outer layer 1 is a melamine paper facing, the thickness of the melamine paper facing is less than 40 threads, such as 30 threads, the upper surface layer is a poplar veneer layer, and the thickness is 40 threads; the middle surface layer is a wooden eucalyptus veneer with the thickness of 2.7 mm; the core layer is a 12mm homogeneous core plate.
The content of reinforced carbon fibers of the carbon fiber waterproof glue film 5 is 4.8 percent, the thickness of the carbon fiber waterproof glue film 5 between the outer layer 1 and the upper surface layer 2 is 20 threads, and the thickness of the carbon fiber waterproof glue film 5 between the upper surface layer and the middle surface layer is 25 threads; the thickness of the carbon fiber waterproof glue film 5 between the middle surface layer and the core layer is 60 threads.
After the above-mentioned thickness is set and stacked, the above-mentioned every layer of hot pressing together once of hot pressing, can reach the following test data:
| | Panel | 1 | Plate 2 | |
| Static bending strength Mpa | 32 | 38 | 35 | |
| Modulus of elasticity MPa | 3550 | 4200 | 3700 |
According to the ecological board, the existing ecological board is tested by the same test items as above, and the test data is as follows:
| test | Control plate | 1 | Control plate 2 | |
| Static bending strength Mpa | 31 | 37 | 34 | |
| Modulus of elasticity MPa | 3300 | 3900 | 3400 |
From the comparative data, the overall data has small changes, the static bending strength changes insignificantly, but the elastic modulus of the three sample plates changes by obvious promotion, and the carbon fiber adhesive film is used for permeating the rigidity of the reinforcing material after hot melting, so that the probability of deformation possibility of the material is smaller.
Example two
The outer layer 1 is a melamine paper facing, the thickness of the melamine paper facing is less than 30 threads, such as 25 threads, the upper surface layer is a poplar veneer layer, and the thickness is 30 threads; the middle surface layer is a wooden eucalyptus veneer with the thickness of 3 mm; the core layer is a 15mm three-layer structure oriented strand board.
The thickness of the carbon fiber waterproof glue film 5 between the outer layer 1 and the upper surface layer 2 is 16 threads, the carbon fiber content of the carbon fiber waterproof glue film 5 is 6.2 percent, and the thickness of the carbon fiber waterproof glue film 5 between the upper surface layer and the middle surface layer is 20 threads; the thickness of the carbon fiber waterproof glue film 5 between the middle surface layer and the core layer is 70 threads.
900 parts of polyurethane hot melt adhesive, 9 parts of reinforced carbon fiber and 4 parts of filler. Next, the reinforcing carbon fiber of this example had a diameter of 0.2mm and a length of 1 mm.
After the above-mentioned thickness is set and stacked, the above-mentioned every layer of hot pressing together once of hot pressing, can reach the following test data:
| | Panel | 1 | Plate 2 | |
| Static bending strength Mpa | 33 | 37 | 37 | |
| Modulus of elasticity MPa | 3750 | 4000 | 3800 |
According to the ecological board, the existing ecological board is tested by the same test items as above, and the test data is as follows:
| test | Control plate | 1 | Control plate 2 | |
| Static bending strength Mpa | 31 | 34 | 34 | |
| Modulus of elasticity MPa | 3300 | 3500 | 3600 |
Through adjustment and the adjustment of carbon fiber content to the glued membrane of carbon fiber glue volume, new implementation model detected data sees that the whole model performance can be promoted slightly in carbon fiber content's increase, also has the influence to elastic modulus's change, can strengthen to tensile force and stress between the layer.
EXAMPLE III
The outer layer 1 is a melamine paper facing, the thickness of the melamine paper facing is less than 30 threads, for example, 20 threads, the upper surface layer is a poplar veneer layer, and the thickness is 30 threads; the middle surface layer is a wooden eucalyptus veneer with the thickness of 3.2 mm; the core layer is a 15mm three-layer structure shaving board.
The thickness of the carbon fiber waterproof glue film 5 between the outer layer 1 and the upper surface layer 2 is 22 threads, the carbon fiber content of the carbon fiber waterproof glue film 5 is 4.8 percent, and the thickness of the carbon fiber waterproof glue film 5 between the upper surface layer and the middle surface layer is 30 threads; the thickness of the carbon fiber waterproof glue film 5 between the middle surface layer and the core layer is 60 threads.
According to parts by weight, 80 parts of polyurethane hot melt adhesive, 1 part of reinforced carbon fiber and 0.6 part of filler. Next, the reinforcing carbon fiber of this example had a diameter of 0.5mm and a length of 20 mm.
After the above-mentioned thickness is set and stacked, the above-mentioned every layer of hot pressing together once of hot pressing, can reach the following test data:
| | Panel | 1 | Plate 2 | |
| Static bending strength Mpa | 33 | 38 | 35 | |
| Modulus of elasticity MPa | 3750 | 4050 | 3700 |
According to the ecological board, the existing ecological board is tested by the same test items as above, and the test data is as follows:
| test | Control plate | 1 | Control plate 2 | |
| Static bending strength Mpa | 30 | 36 | 34 | |
| Modulus of elasticity MPa | 3100 | 3700 | 3500 |
In this example, the amount of the outermost layer was adjusted, and it was found that the improvement of the amount of the adhesive was certainly enhanced in the static bending strength, stress and tensile force of the material.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. The one-step composite molding process of the ecological plate is characterized by comprising the following steps:
s1, preparing raw materials of an ecological plate, wherein the ecological plate comprises an outer layer (1), an upper surface layer (2), a middle surface layer (3), a core layer (4) and a carbon fiber waterproof adhesive film (5), and the carbon fiber waterproof adhesive film (5) is formed by mixing and extending polyurethane hot melt adhesive, reinforcing carbon fibers and fillers;
s2, stacking the core layer (4), the carbon fiber waterproof glue film (5), the middle surface layer (3), the carbon fiber waterproof glue film (5), the upper surface layer (2), the carbon fiber waterproof glue film (5) and the outer layer (1) on a hot-pressing device simultaneously according to the stacking sequence from bottom to top, wherein the thickness of the carbon fiber waterproof glue film (5) is gradually increased from top to bottom;
s3, using the hot-pressing equipment at the temperature of 110-140 ℃ to perform one-step hot-pressing forming on the raw materials stacked in the step 2 to obtain the ecological plate.
2. The one-step composite molding process of the ecological plate as claimed in claim 1, wherein the ratio of the polyurethane hot melt adhesive, the reinforcing carbon fiber and the filler is 8-9: 1: 0.2-0.6.
3. The ecological plate one-time composite molding process as claimed in claim 2, wherein the diameter of the reinforcing carbon fiber is 0.2-0.5mm, and the length is 1-20 mm.
4. The ecological plate once composite molding process according to claim 1, wherein the thicknesses of the outer layer (1), the upper surface layer (2), the middle surface layer (3) and the core layer (4) are gradually increased from top to bottom.
5. The ecological plate one-time composite molding process as claimed in claim 1, wherein the filler is a mixture of a coupling agent and a catalyst.
6. The one-step composite molding process of the ecological plate as claimed in claim 5, wherein the mixing ratio of the coupling agent to the catalyst is 1: 1.
7. The ecological plate once composite molding process according to claim 1, characterized in that the outer layer (1) is a melamine paper facing; the upper surface layer (2) is a technical wood or a thin wood layer; the middle surface layer (3) is a wood veneer; the core layer (4) is any one of a flakeboard, an OSB oriented strand board, a multi-layer board and a fir/poplar core board.
8. The ecological plate one-time composite molding process according to claim 1, wherein the carbon fiber waterproof glue film (5) has no stickiness at normal temperature.
9. The ecological plate is characterized in that the ecological plate is manufactured by the one-time composite molding process according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010995353.5A CN112140252A (en) | 2020-09-21 | 2020-09-21 | Ecological plate and one-step composite forming process thereof |
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| CN202010995353.5A CN112140252A (en) | 2020-09-21 | 2020-09-21 | Ecological plate and one-step composite forming process thereof |
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|---|---|---|---|---|
| CN1427056A (en) * | 2001-12-10 | 2003-07-02 | 方大集团股份有限公司 | Composite hot melt rubber film |
| CN101240157A (en) * | 2008-02-29 | 2008-08-13 | 河海大学 | Ethylene-vinyl acetate copolymer adhesive film for packaging solar energy battery and preparation method thereof |
| EP2353861A1 (en) * | 2010-02-10 | 2011-08-10 | Legno-Plac Elementi per Mobili S.r.l. | Veneered panel in wooden material and production method thereof |
| CN105694756A (en) * | 2016-03-16 | 2016-06-22 | 黑龙江省科学院石油化学研究院 | High-temperature-resisting structural adhesive film capable of being stored for long time at room temperature and preparation method thereof |
| CN106891396A (en) * | 2017-04-24 | 2017-06-27 | 福州翰扬环保科技有限公司 | It is a kind of to use the technique for producing little compressible glued board without aldehyde hot melt adhesive film |
| CN107053374A (en) * | 2017-04-18 | 2017-08-18 | 广西大学 | The multi-functional Surface decorated woodbased panels with paper impregnated thermosetting resins and its manufacture method of a kind of freedom from cracking |
| CN108659332A (en) * | 2018-06-19 | 2018-10-16 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of high temperature resistant packaging adhesive film for solar cell |
-
2020
- 2020-09-21 CN CN202010995353.5A patent/CN112140252A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1427056A (en) * | 2001-12-10 | 2003-07-02 | 方大集团股份有限公司 | Composite hot melt rubber film |
| CN101240157A (en) * | 2008-02-29 | 2008-08-13 | 河海大学 | Ethylene-vinyl acetate copolymer adhesive film for packaging solar energy battery and preparation method thereof |
| EP2353861A1 (en) * | 2010-02-10 | 2011-08-10 | Legno-Plac Elementi per Mobili S.r.l. | Veneered panel in wooden material and production method thereof |
| CN105694756A (en) * | 2016-03-16 | 2016-06-22 | 黑龙江省科学院石油化学研究院 | High-temperature-resisting structural adhesive film capable of being stored for long time at room temperature and preparation method thereof |
| CN107053374A (en) * | 2017-04-18 | 2017-08-18 | 广西大学 | The multi-functional Surface decorated woodbased panels with paper impregnated thermosetting resins and its manufacture method of a kind of freedom from cracking |
| CN106891396A (en) * | 2017-04-24 | 2017-06-27 | 福州翰扬环保科技有限公司 | It is a kind of to use the technique for producing little compressible glued board without aldehyde hot melt adhesive film |
| CN108659332A (en) * | 2018-06-19 | 2018-10-16 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of high temperature resistant packaging adhesive film for solar cell |
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Application publication date: 20201229 |