CN216330591U - Wood-like fiber reinforced composite board - Google Patents
Wood-like fiber reinforced composite board Download PDFInfo
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- CN216330591U CN216330591U CN202120350169.5U CN202120350169U CN216330591U CN 216330591 U CN216330591 U CN 216330591U CN 202120350169 U CN202120350169 U CN 202120350169U CN 216330591 U CN216330591 U CN 216330591U
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Abstract
The utility model relates to the technical field of wood-like composite boards, and discloses a wood-like fiber reinforced composite board, which comprises a structural core material, an elastic rubber layer and a protective coating layer, wherein one or more layers of woven fiber cloth are respectively arranged at the upper part and the lower part of the structural core material; the wood-like fiber reinforced composite board provided by the utility model has the advantages of high structural strength, strong weather resistance and wide adaptability.
Description
Technical Field
The utility model relates to the technical field of wood-like composite boards, in particular to a wood-like fiber reinforced composite board.
Background
In the outdoor use process of the traditional wood-plastic composite floor product, the outdoor weather resistance of the traditional wood-plastic composite floor product is a difficult problem which is solved by various large wood-plastic manufacturers. A series of problems exist in the outdoor use of the traditional wood-plastic floor, such as: shrinkage deformation, pulverization, edge breakage, mildew, chemical corrosion resistance and high maintenance cost, and the whole apparent wood grain effect is pressed by an embossing roller, so that the grain repeatability is high and the grain effect is obviously different from that of solid wood.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the wood-like fiber reinforced composite board which has the advantages of high structural strength, strong weather resistance and wide adaptability.
The technical scheme adopted by the utility model is as follows:
the upper part and the lower part of the structure core material are respectively provided with one or more layers of woven fiber cloth, the elastic rubber layer is completely solidified in a mould by an elastic rubber raw material, so that the structure core material, the elastic rubber layer and the woven fiber cloth are firmly adhered together to be compounded into an integrated plate structure, and the protective coating layer is formed on the surface of the integrated plate structure by adopting protective coating.
The elastic rubber raw material poured in the forming process is fully soaked into the fibers, and after the elastic rubber raw material is completely cured, the woven fiber cloth on the upper surface and the lower surface of the structural core material is firmly bonded with the structural core material, so that the structural core material, the elastic rubber layer and the reinforcing fibers are firmly compounded together, and the fiber reinforced composite board is formed. Because the weaving fiber, the elastic rubber layer and the coating layer are integrally formed, the strength of the elastic rubber layer is enhanced, and the mechanical strength of the whole plate is further increased. Thereby greatly improving the mechanical property of the composite board and the outdoor weather resistance.
The traditional floor is easy to have the problems of pulverization, cracking and the like under the condition of ultraviolet irradiation for a long time, so that a weather-resistant and wear-resistant elastic rubber layer and a protective coating layer are wrapped outside a middle structure core material in the integrated forming process of the wood-like fiber reinforced composite board, and the outdoor weather resistance and the apparent texture of the product are greatly improved.
To sum up, the whole mould integrated into one piece that adopts of product, the process steps are simplified, and product shaping cycle is short, has improved the production efficiency of product, and the imitative wood fiber reinforcement composite sheet that adopts this technology to make has structural strength height, weatherability is strong, chemical resistance and adaptability wide advantage.
The hollow structure of the structural core member may be a hollow structure having various shapes such as a square hole and a circular hole. The compounding mode of the rubber layer can adopt the melting compounding in a mould or the double-component reaction pouring, solidification, melting compounding. The mold is a metal mold or a high-temperature resistant resin mold. The mould forming lines are formed by turning over the raw wood 1 to 1, the real natural grains of the raw wood are turned over to the mould, and then the appearance surface of the product is formed by the mould, so that the appearance of the product is more natural and attractive. The integral forming process of the product adopts the mode of integral forming, all the process steps are finished in the mode, and the product is demoulded and trimmed after being cured. The complexity of the process is greatly simplified, so that the product forming period is shortened, and the production efficiency of the product is improved.
By testing a product in the practical scheme according to the national standard GB/T245908-20095.5, the bending failure load reaches 5528N under the condition of 300mm span. The water boiling for 80 hours has no swelling and delamination phenomenon. Surface abrasion was 0.112 mg. The core material compounded by the test sample is a traditional wood-plastic common square-hole floor profile.
Further, the structure core material has an internal structure which can be a hollow structure or a solid structure.
Further, the structural core material comprises the following components in parts by weight: 30-40 parts of epoxy resin, 60-70 parts of fiber, 0.3-0.4 part of accelerator, 0.6-0.8 part of curing agent, 3-8 parts of flame retardant, 3-6 parts of auxiliary agent and 1-6 parts of inorganic toner.
Further, the main material of the structural core material is selected from one or more of a high polymer material, an inorganic material, a fiber reinforced plastic and a metal material.
Furthermore, the elastic rubber raw material of the elastic rubber layer is selected from one or more of natural rubber, polyurethane rubber elastomer, synthetic rubber or high polymer materials with the same property.
Further, the polyurethane rubber elastomer comprises the following components in parts by weight: 45-80 parts of polyether polyol, 45-80 parts of isocyanate, 10-30 parts of filler, 4-8 parts of flame retardant, 3-6 parts of coupling agent, 3-6 parts of auxiliary agent and 3-8 parts of inorganic toner.
Further, the protective coating layer comprises a primer layer, a finish paint layer and a protective paint layer which are sequentially arranged from bottom to top.
Further, the protective paint layer is made of high-wear-resistance weather-resistant varnish, the primer layer is made of waterproof isolation paint, and the finish paint layer is made of outdoor weather-resistant elastic finish paint.
Further, the woven fiber cloth is selected from one or more of artificial fiber, metal alloy wire, aramid fiber, quartz fiber, glass fiber, basalt fiber and plant paper fiber.
It should be noted that the main material of the structural core material is selected from one or more of a polymer material, an inorganic material, a fiber reinforced plastic or a metal material. The polymer material may be Polyethylene (PE) or polyvinyl chloride (PVC). The fibre reinforced plastic material may be glass fibre reinforced plastics or the like.
The utility model has the beneficial effects that: the elastic rubber raw material poured in the forming process is fully soaked into the fibers, and after the elastic rubber raw material is completely cured, the woven fiber cloth on the upper surface and the lower surface of the structural core material is firmly bonded with the structural core material, so that the structural core material, the elastic rubber layer and the reinforcing fibers are firmly compounded together, and the fiber reinforced composite board is formed. Because the weaving fiber, the elastic rubber layer and the coating layer are integrally formed, the strength of the elastic rubber layer is enhanced, and the mechanical strength of the whole plate is further increased. Thereby greatly improving the mechanical property and the outdoor weather resistance of the composite board.
The traditional floor is easy to have the problems of pulverization, cracking and the like under the condition of ultraviolet irradiation for a long time, so that a weather-resistant and wear-resistant elastic rubber layer and a protective coating layer are wrapped outside a middle structure core material in the integrated forming process of the wood-like fiber reinforced composite board, and the outdoor weather resistance and the apparent texture of the product are greatly improved.
To sum up, the whole mould integrated into one piece that adopts of product, the process steps are simplified, and product shaping cycle is short, has improved the production efficiency of product, and the imitative wood fiber reinforcement composite sheet that adopts this technology to make has structural strength height, weatherability is strong, chemical resistance and adaptability wide advantage.
The hollow structure of the structural core member may be a hollow structure having various shapes such as a square hole and a circular hole. The compounding mode of the rubber layer can adopt the melting compounding in a mould or the double-component reaction pouring, solidification, melting compounding. The mold is a metal mold or a high-temperature resistant resin mold. The mould forming lines are formed by turning over the raw wood 1 to 1, the real natural grains of the raw wood are turned over to the mould, and then the appearance surface of the product is formed by the mould, so that the appearance of the product is more natural and attractive. The integral forming process of the product adopts the mode of integral forming, all the process steps are finished in the mode, and the product is demoulded and trimmed after being cured. The complexity of the process is greatly simplified, so that the product forming period is shortened, and the production efficiency of the product is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a structural core of the present invention in a solid configuration;
FIG. 2 is a schematic cross-sectional view of a hollow structural core according to the present invention;
fig. 3 is a schematic view of the structure of the protective coating layer of the present invention.
In the figure: a structural core material 1; an elastic rubber layer 3; weaving the fiber cloth 4; a protective coating layer 5; primer layer 5.1; 5.2 of a finish paint layer; and 5.3 of a protective paint layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The utility model is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 1-3, the present embodiment provides a wood-like fiber reinforced composite board, which includes a structural core 1, an elastic rubber layer 3 and a protective coating layer 5, wherein one or more layers of woven fiber cloth 4 are respectively disposed on the upper portion and the lower portion of the structural core 1, the elastic rubber layer 3 is formed by infiltrating the woven fiber cloth 4 in a mold with an elastic rubber raw material, and after the complete curing, the structural core 1, the elastic rubber layer 3 and the woven fiber cloth 4 are formed into an integrated board structure, and the protective coating layer 5 is formed on the surface of the integrated board structure by using a protective coating.
The elastic rubber raw material poured in the forming process is fully soaked into the fibers, after the elastic rubber raw material is completely cured, the woven fiber cloth 4 on the upper surface and the lower surface of the structure core material 1 is firmly bonded with the structure core material 1, so that the structure core material 1, the elastic rubber layer 3 and the reinforcing fibers are firmly compounded together, and the fiber reinforced composite board is formed. Because the weaving fiber, the elastic rubber layer 3 and the coating layer are integrally formed, the strength of the elastic rubber layer 3 is enhanced, and the mechanical strength of the whole plate is further increased. Thereby greatly improving the mechanical property and the outdoor weather resistance of the composite board.
The traditional floor is easy to have the problems of pulverization, cracking and the like under the condition of ultraviolet irradiation for a long time, so that a layer of weather-proof and wear-resistant elastic rubber layer 3 and a protective coating layer 5 are wrapped outside a middle structure core material 1 in the integrated forming process of the wood-like fiber reinforced composite board, and the outdoor weather resistance and the apparent texture of the product are greatly improved.
To sum up, the whole mould integrated into one piece that adopts of product, the process steps are simplified, and product shaping cycle is short, has improved the production efficiency of product, and the imitative wood fiber reinforcement composite sheet that adopts this technology to make has structural strength height, weatherability is strong, chemical resistance and adaptability wide advantage.
The hollow structure of the structural core member 1 may be a hollow structure having various shapes such as a square hole and a circular hole. The compounding mode of the rubber layer can adopt the melting compounding in a mould or the double-component reaction pouring, solidification, melting compounding. The mold is a metal mold or a high-temperature resistant resin mold. The mould forming lines are formed by turning over the raw wood 1 to 1, the real natural grains of the raw wood are turned over to the mould, and then the appearance surface of the product is formed by the mould, so that the appearance of the product is more natural and attractive. The integral forming process of the product adopts the mode of integral forming, all the process steps are finished in the mode, and the product is demoulded and trimmed after being cured. The complexity of the process is greatly simplified, so that the product forming period is shortened, and the production efficiency of the product is improved.
By testing a product in the practical scheme according to the national standard GB/T245908-20095.5, the bending failure load reaches 5528N under the condition of 300mm span. The water boiling for 80 hours has no swelling and delamination phenomenon. Surface abrasion was 0.112 mg. The core material compounded by the test sample is a traditional wood-plastic common square-hole floor profile.
Example 2:
this embodiment is optimized based on embodiment 1 described above.
The structure core 1 may have a hollow structure or a solid structure in its inner structure.
Example 3:
this embodiment is optimized based on embodiment 1 described above.
The structural core material 1 comprises the following components in parts by weight: 30-40 parts of epoxy resin, 60-70 parts of fiber, 0.3-0.4 part of accelerator, 0.6-0.8 part of curing agent, 3-8 parts of flame retardant, 3-6 parts of auxiliary agent and 1-6 parts of inorganic toner.
Example 4:
this embodiment is optimized based on embodiment 1 described above.
The main material of the structural core material 1 is one or more selected from polymer materials, inorganic materials, fiber reinforced plastics and metal materials.
Example 5:
this embodiment is optimized based on embodiment 1 described above.
The elastic rubber raw material of the elastic rubber layer 3 is selected from one or more of natural rubber, polyurethane rubber elastomer, synthetic rubber or high polymer materials with the same property.
Example 6:
this embodiment is optimized based on embodiment 5 described above.
The polyurethane rubber elastomer comprises the following components in parts by weight: 45-80 parts of polyether polyol, 45-80 parts of isocyanate, 10-30 parts of filler, 4-8 parts of flame retardant, 3-6 parts of coupling agent, 3-6 parts of auxiliary agent and 3-8 parts of inorganic toner.
Example 7:
this embodiment is optimized based on embodiment 1 described above.
The protective coating layer 5 comprises a primer layer 5.1, a finish paint layer 5.2 and a protective paint layer 5.3 which are sequentially arranged from bottom to top. The protective paint layer 5.3 adopts outdoor weather-proof wear-resistant varnish, the primer layer 5.1 adopts waterproof isolation paint, and the finish paint layer 5.2 adopts outdoor weather-proof elastic finish paint. The woven fiber cloth 4 is selected from one or more of artificial fiber, metal alloy wire, aramid fiber, quartz fiber, glass fiber, basalt fiber and plant paper fiber.
It should be noted that, the main material of the structural core material 1 is one or more selected from a polymer material, an inorganic material, a fiber reinforced plastic or a metal material. The polymer material may be Polyethylene (PE) or polyvinyl chloride (PVC). The fibre reinforced plastic material may be glass fibre reinforced plastics or the like.
The manufacturing process of the wood-like fiber reinforced composite board in the technical scheme comprises the following process steps:
A. spraying a release agent into the upper wood grain die and the lower wood grain die, and then spraying an outdoor weather-resistant protective coating layer 5;
the protective coating layer 5 comprises a protective paint layer 5.3, a finish paint layer 5.2 and a primer paint layer 5.1 which are sprayed in sequence, the protective paint layer 5.3 adopts outdoor weather-proof wear-resistant varnish, the primer paint layer 5.1 adopts waterproof isolation paint, and the finish paint layer
5.2, adopting an outdoor weather-resistant elastic finishing coat;
B. after the paint film is dried, pouring an elastic rubber layer 3;
the elastic rubber raw material of the elastic rubber layer 3 is one or more of natural rubber, polyurethane rubber elastomer, synthetic rubber or high polymer materials with the same property;
C. pre-laying woven fiber cloth 4 in the mould;
D. placing a structural core material 1;
E. pre-laying woven fiber cloth 4 on the structural core material 1;
F. pouring the elastic rubber layer 3 again;
G. closing the die and curing;
H. and demolding and trimming to obtain the wood-like fiber reinforced composite board.
The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (6)
1. A wood-like fiber reinforced composite board is characterized in that: the composite board comprises a structure core material, an elastic rubber layer and a protective coating layer, wherein one or more layers of woven fiber cloth are respectively arranged on the upper portion and the lower portion of the structure core material, the elastic rubber layer is completely cured in a mold by an elastic rubber raw material, so that the structure core material, the elastic rubber layer and the woven fiber cloth are firmly adhered together to form an integrated board structure, and the protective coating layer is formed on the surface of the integrated board structure by adopting protective coating.
2. The wood-like fiber reinforced composite board of claim 1, wherein: the structure core material has a hollow structure or a solid structure in the inner structure.
3. The wood-like fiber reinforced composite board of claim 1, wherein: the elastic rubber raw material of the elastic rubber layer is selected from natural rubber, polyurethane rubber elastomer, synthetic rubber or high polymer materials with the same property.
4. The wood-like fiber reinforced composite board of claim 1, wherein: the protective coating layer comprises a primer layer, a finish paint layer and a protective paint layer which are sequentially arranged from bottom to top.
5. The wood-like fiber reinforced composite board of claim 4, wherein: the protective paint layer is made of outdoor high-wear-resistance weather-resistant varnish, the primer layer is made of waterproof isolation paint, and the finish paint layer is made of outdoor weather-resistant elastic finish paint.
6. The wood-like fiber reinforced composite board of claim 1, wherein: the woven fiber cloth is selected from artificial fibers, metal alloy wires, aramid fibers, quartz fibers, glass fibers, basalt fibers or plant paper fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350169.5U CN216330591U (en) | 2021-02-07 | 2021-02-07 | Wood-like fiber reinforced composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350169.5U CN216330591U (en) | 2021-02-07 | 2021-02-07 | Wood-like fiber reinforced composite board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216330591U true CN216330591U (en) | 2022-04-19 |
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ID=81128203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120350169.5U Active CN216330591U (en) | 2021-02-07 | 2021-02-07 | Wood-like fiber reinforced composite board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216330591U (en) |
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2021
- 2021-02-07 CN CN202120350169.5U patent/CN216330591U/en active Active
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