CN214266925U - Light high-strength functional wood-plastic composite product with multilayer structure - Google Patents
Light high-strength functional wood-plastic composite product with multilayer structure Download PDFInfo
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- CN214266925U CN214266925U CN202021168934.3U CN202021168934U CN214266925U CN 214266925 U CN214266925 U CN 214266925U CN 202021168934 U CN202021168934 U CN 202021168934U CN 214266925 U CN214266925 U CN 214266925U
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Abstract
The utility model discloses a light high-strength functional wood-plastic composite product with a multilayer structure, which relates to the technical field of wood-plastic composite products, and comprises a surface layer unit, a structural layer unit and a core layer unit, wherein the core layer unit comprises a core layer, the structural layer unit comprises an upper structural layer and a lower structural layer, and the upper structural layer and the lower structural layer are respectively positioned above and below the core layer; the surface layer unit comprises an upper surface layer and a lower surface layer, the upper surface layer is positioned above the upper structural layer, and the lower surface layer is positioned below the lower structural layer. The utility model discloses a multilayer structure design obtains the wood and plastics composite product who has multilayer structure, and product is moulded to current wood in market has advantages such as the durability is good, with low costs, intensity is high, high added value.
Description
Technical Field
The utility model relates to a compound product technical field is moulded to wood, especially relates to a multilayer structure's functional wood-plastic composite product of light excellence.
Background
In the existing wood-plastic composite product, the rigidity of thermoplastic plastics is enhanced by the wood matrix, but the original excellent toughness of the plastic matrix is greatly reduced, and meanwhile, the problems of strong hygroscopicity, low durability, large material density and high cost are also faced.
Therefore, it is highly desirable to provide a light-weight high-strength functionalized wood-plastic composite product with a multilayer structure to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multilayer structure's functional wood-plastic composite product of light excellence to solve the problem that above-mentioned prior art exists, through multilayer structure design, obtain the wood-plastic composite product that has multilayer structure, for the current wood-plastic product in market, have advantages such as the durability is good, with low costs, intensity is high, high added value.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a light high-strength functional wood-plastic composite product with a multilayer structure, which comprises a surface layer unit, a structural layer unit and a core layer unit, wherein the core layer unit comprises a core layer, the structural layer unit comprises an upper structural layer and a lower structural layer, and the upper structural layer and the lower structural layer are respectively positioned above and below the core layer; the surface layer unit comprises an upper surface layer and a lower surface layer, the upper surface layer is positioned above the upper structural layer, and the lower surface layer is positioned below the lower structural layer.
Preferably, the upper surface layer and the lower surface layer are made of high weather resistant resin.
Preferably, the thickness of the upper surface layer and the thickness of the lower surface layer are both 0.1-1 mm.
Preferably, the upper structural layer and the lower structural layer are made of a multi-layer space structure fiber braided fabric.
Preferably, the thickness of the upper structural layer and the lower structural layer is 0.1-10 mm.
Preferably, the fiber braided fabric is a multilayer space structure fiber braided fabric formed by impregnating plant reinforced fiber bundles with thermoplastic resin.
Preferably, the core layer is made of a light wood-plastic core material, and the thickness of the core layer is 3-15 mm.
Preferably, the core layer is internally provided with foam holes with the diameter of 0.1-10 mu m.
Preferably, the core layer, the upper structure layer, the lower structure layer, the upper surface layer and the lower surface layer are all provided with at least one layer.
Preferably, the light high-strength functionalized wood-plastic composite product with the multilayer structure is directly formed by a co-extrusion process.
The utility model discloses for prior art gain following technological effect:
the utility model obtains the wood-plastic composite product with multilayer structure through multilayer structure design, and has the advantages of good durability, low cost, high strength, high added value and the like compared with the existing wood-plastic products in the market;
the light wood-plastic core layer is made of processing residues such as bamboo chips and the like, so that the self weight is reduced, and the cost is reduced;
a structural layer is arranged to enhance the mechanical property of the product;
the high-strength functionalized surface layer material solves the problem that the wood-plastic composite material is easy to age, and the durability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a light high-strength functionalized wood-plastic composite product with a multilayer structure;
FIG. 2 is a schematic structural view of a two-dimensional woven fabric;
FIG. 3 is a cross-sectional schematic view of FIG. 2;
FIG. 4 is a schematic longitudinal cut view of FIG. 2;
FIG. 5 is a schematic structural view of a three-dimensional woven fabric;
FIG. 6 is a schematic structural view of a foamed core layer;
in the figure, 1 is an upper surface layer, 2 is an upper structure layer, 3 is a core layer, 4 is a lower structure layer, 5 is a lower surface layer, 6 is warp yarn, 7 is weft yarn, and 8 is a unit cell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1 to 4, the present embodiment provides a light-weight high-strength functionalized wood-plastic composite product with a multilayer structure, including a surface layer unit, a structural layer unit, and a core layer unit, where the core layer unit includes a core layer, the structural layer unit includes an upper structural layer and a lower structural layer, and the upper structural layer and the lower structural layer are located above and below the core layer respectively; the surface layer unit comprises an upper surface layer and a lower surface layer, the upper surface layer is positioned above the upper structural layer, and the lower surface layer is positioned below the lower structural layer.
In the embodiment, the upper surface layer and the lower surface layer are made of the existing high-weather-resistance resin, and have the functions of heat resistance, photochromic resistance, flame retardance, wear resistance, weather resistance, scratch resistance and the like; wherein the thickness of the upper surface layer and the lower surface layer is 0.1-1 mm.
In this embodiment, the upper structural layer and the lower structural layer are fiber woven fabrics with a multilayer spatial structure and a certain thickness, the thickness of the fiber woven fabrics is 0.1-10mm, and specifically, the fiber woven fabrics with a multilayer spatial structure are woven into fiber woven fabrics with a one-dimensional (a fiber parallel structure is tiled), a two-dimensional and a three-dimensional after thermoplastic resin is infiltrated into plant reinforced fiber bundles (including continuous plant fibers, thin bamboo skin, continuous bamboo fibers, continuous fibrilia, continuous cotton fibers, continuous bamboo skin, plant fiber woven fabrics and the like).
In the embodiment, the core layer is made of a light wood-plastic core material, and the thickness of the core layer is 3-15 mm; the light wood-plastic core material is prepared by adopting processing residues (including bamboo chips, wood powder, straw and other wastes and white mud and other pulping wastes) and waste thermoplastic plastics (including polyethylene, polypropylene, polyvinyl chloride, polyamide and the like) as main raw materials through foaming, adding hollow-structure particles such as hollow glass beads, floating beads, fly ash and the like.
In the embodiment, the core layer is internally provided with foam holes with the diameter of 0.1-10 mu m.
In this embodiment, the core layer, the upper structure layer, the lower structure layer, the upper surface layer, and the lower surface layer are all provided with at least one layer, regardless of the number of layers, and the arrangement order is that the core layer unit is arranged symmetrically to the surface layer unit.
In the embodiment, the light high-strength functionalized wood-plastic composite product with the multilayer structure is directly formed by a co-extrusion process without applying an adhesive.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. The utility model provides a multilayer structure's functional wood-plastic composite product of light high strength which characterized in that: the sandwich structure comprises a surface layer unit, a structural layer unit and a core layer unit, wherein the core layer unit comprises a core layer, the structural layer unit comprises an upper structural layer and a lower structural layer, and the upper structural layer and the lower structural layer are respectively positioned above and below the core layer; the surface layer unit comprises an upper surface layer and a lower surface layer, the upper surface layer is positioned above the upper structural layer, and the lower surface layer is positioned below the lower structural layer;
the upper surface layer and the lower surface layer are made of high-weather-resistance resin, the upper structure layer and the lower structure layer are made of fiber braided fabrics of a multi-layer space structure, the core layer is made of a light wood-plastic core material, and the thickness of the core layer is 3-15 mm.
2. The light-weight high-strength functionalized wood-plastic composite product with a multilayer structure according to claim 1, characterized in that: the thickness of the upper surface layer and the thickness of the lower surface layer are both 0.1-1 mm.
3. The light-weight high-strength functionalized wood-plastic composite product with a multilayer structure according to claim 2, characterized in that: the thickness of the upper structural layer and the lower structural layer is 0.1-10 mm.
4. The light-weight high-strength functionalized wood-plastic composite product with a multilayer structure according to claim 3, characterized in that: the fiber braided fabric is a multilayer space structure fiber braided fabric which is braided after plant reinforced fiber bundles are soaked in thermoplastic resin.
5. The light-weight high-strength functionalized wood-plastic composite product with a multilayer structure according to claim 1, characterized in that: and foam holes with the diameter of 0.1-10 mu m are arranged in the core layer.
6. The light-weight high-strength functionalized wood-plastic composite product with a multilayer structure according to claim 1, characterized in that: the core layer, the upper structure layer, the lower structure layer, the upper surface layer and the lower surface layer are all provided with at least one layer.
7. The light-weight high-strength functionalized wood-plastic composite product with a multilayer structure according to claim 1, characterized in that: the light high-strength functional wood-plastic composite product with the multilayer structure is directly formed by a co-extrusion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168934.3U CN214266925U (en) | 2020-06-22 | 2020-06-22 | Light high-strength functional wood-plastic composite product with multilayer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168934.3U CN214266925U (en) | 2020-06-22 | 2020-06-22 | Light high-strength functional wood-plastic composite product with multilayer structure |
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| Publication Number | Publication Date |
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| CN214266925U true CN214266925U (en) | 2021-09-24 |
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| CN202021168934.3U Active CN214266925U (en) | 2020-06-22 | 2020-06-22 | Light high-strength functional wood-plastic composite product with multilayer structure |
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| Country | Link |
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| CN (1) | CN214266925U (en) |
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- 2020-06-22 CN CN202021168934.3U patent/CN214266925U/en active Active
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