Outdoor graphitized bamboo charcoal-based board

By introducing graphitized bamboo charcoal and using a layer thickness gradient design in bamboo charcoal panels, the problems of insufficient thermal conductivity and deformation resistance of bamboo charcoal panels are solved, improving the overall performance of the panels and making them suitable for outdoor flooring and wall decoration.

CN223867577UActive Publication Date: 2026-02-03ZHEJIANG JIAHE BAMBOO IND TECH CO LTD
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Patent Information

Application Number
CN202422724066.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2026-02-03
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing bamboo charcoal boards have shortcomings in terms of thermal conductivity and resistance to deformation, and traditional boards need to be improved in terms of wear resistance, corrosion resistance and environmental friendliness.

Method used

The design adopts graphitized bamboo charcoal-based panels. Through the core layer with gradually decreasing layer thickness and the stacked structure, combined with the distribution of graphite carbon layers, the stress uniformity design is achieved, which enhances the overall mechanical properties and resistance to damage of the panels. The thermal conductivity, hydrophobicity and deformation resistance of graphitized bamboo charcoal are also utilized.

Benefits of technology

It improves the overall mechanical properties and resistance to damage of the board, enhances its thermal conductivity, hydrophobicity and resistance to mildew and corrosion, and is suitable for outdoor flooring and wall decoration, with broad market application prospects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an outdoor graphitized bamboo charcoal-based plate which comprises a core layer, a plurality of layers of laminated layers are symmetrically arranged on two sides of the core layer, the thickness of the core layer and the laminated layers is gradually reduced according to the gradient of the laminated layer from the core layer to the outermost side, graphite carbon layers are arranged between the core layer and the laminated layers, and graphite carbon layers are also arranged between the laminated layers. The surface of the plate is provided with a graphite carbon layer. The plate adopts a stress distribution homogenization design, namely, a layer thickness gradient design, so that stress concentration can be effectively dispersed and reduced, and the overall mechanical property and the damage resistance of the plate are improved. The graphitized bamboo charcoal has good thermal conductivity, hydrophobicity, mildew corrosion resistance and deformation resistance, meanwhile, the chemical stability of the non-graphitized bamboo charcoal is enhanced, and the graphitized bamboo charcoal is suitable for the fields of outdoor floors, wall decoration and the like and has wide market application prospects.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a board material, especially an outdoor graphitized bamboo charcoal base board material. BACKGROUND

[0002] With the improvement of people's living standards, the demand for outdoor floor, wall decoration and other materials is increasing. The traditional outdoor board has the disadvantages of wear resistance, corrosion resistance, environmental protection and the like. The bamboo charcoal board is welcomed by the market because of its good environmental protection performance, wear resistance, corrosion resistance, insect resistance and the like. However, the existing bamboo charcoal board still needs to be improved in terms of thermal conductivity and deformation resistance. SUMMARY

[0003] In order to overcome the above shortcomings, the utility model provides an outdoor graphitized bamboo charcoal base board material.

[0004] The scheme of the present application is as follows: an outdoor graphitized bamboo charcoal base board material, comprising a core layer, a plurality of laminated layers are symmetrically arranged on both sides of the core layer, the thickness of the core layer and the laminated layers decreases gradually from the core layer to the outermost laminated layer, the core layer and the laminated layers have a graphite carbon layer, the laminated layers also have a graphite carbon layer, and the surface of the board material has a graphite carbon layer.

[0005] Further, the thickness of the core layer is 1.1-1.5mm.

[0006] Further, the thickness of the laminated layer is 0.6-1mm.

[0007] Further, the thickness of the graphite carbon layer is 0.01-0.3mm.

[0008] The present application has the following advantages:

[0009] The board material adopts stress distribution homogenization design, that is, through layer thickness gradient design, the stress concentration can be effectively dispersed and reduced, and the overall mechanical properties and damage resistance of the board material can be improved. The graphitized bamboo charcoal has good thermal conductivity, hydrophobicity, mildew resistance and corrosion resistance, and deformation resistance, and the chemical stability of non-graphitized bamboo charcoal is also strengthened, which is suitable for outdoor floor, wall decoration and other fields, and has a broad market application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structure schematic view of the embodiment 1 of the utility model;

[0011] Figure 2 It is a structure schematic view of the embodiment 2 of the utility model;

[0012] Figure 3 It is a structure schematic view of the embodiment 3 of the utility model;

[0013] The core layer 1, the laminated layer 2, and the graphite carbon layer 3. DETAILED DESCRIPTION

[0014] To further illustrate the technical means and effects adopted by the present application to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the present application are described in detail as follows in combination with the drawings and preferred embodiments.

[0015] The present application provides an outdoor graphitized bamboo charcoal substrate, which comprises a core layer, a plurality of laminated layers with gradually decreasing thickness symmetrically arranged on both sides of the core layer, a graphite carbon layer between the core layer and the laminated layers, and a graphite carbon layer between the laminated layers, and a graphite carbon layer on the surface of the substrate. By adopting stress distribution homogenization design, i.e. by layer thickness gradient design, stress concentration can be effectively dispersed and reduced, and the overall mechanical properties and damage resistance of the substrate can be improved. The graphitized bamboo charcoal has good thermal conductivity, hydrophobicity, mildew resistance, corrosion resistance and deformation resistance, and the chemical stability of the non-graphitized bamboo charcoal is also enhanced.

[0016] As a common knowledge in the art, the composite substrate structure of the present application can be obtained by coating and other means, including but not limited to the following conventional means: first, the graphitized bamboo charcoal is crushed, screened and activated to prepare a graphite powder with a particle size of 200 mesh. Then, the bamboo board waste is crushed, screened and activated in the same way to obtain a bamboo board waste powder. Under the conditions of a temperature of 800-1000℃ and a pressure of 0.5-1.0 MPa, the bamboo board waste powder is molded and solidified to form a core layer with a thickness of 1.1-1.5 mm and a laminated layer with a thickness of 0.6-1 mm.

[0017] Secondly, the graphite powder and the adhesive are uniformly mixed in a ratio of 3:1 (mass ratio), and are uniformly coated on the surface of the core layer and the laminated layer, and the core layer and the laminated layer are stacked in turn. Under the conditions of a temperature of 120-150℃ and a pressure of 0.8-1.2 MPa, the coating layer (graphite layer thickness of 0.01-0.3 mm) is solidified.

[0018] Finally, the solidified substrate is cooled, edged and sanded to obtain the final product. Although the surface of the substrate is polished to remove burrs and unevenness during the sanding process, fine sandpaper and moderate pressure are used to ensure that a smooth surface is achieved while minimizing the loss of the graphite layer. The specific parameters of the sanding process are as follows:

[0019] Preliminary sanding: 180-220 mesh sandpaper is used to remove large burrs and unevenness;

[0020] Fine sanding: 320-400 mesh sandpaper is used to obtain a smoother surface;

[0021] Sand speed: control the sanding machine running speed at 2000-3000 revolutions per minute to ensure uniform sanding and reduce damage to the graphite layer;

[0022] Sand frequency: according to the surface condition of the plate, it may be necessary to carry out 1-2 times of preliminary sanding and 1 time of fine sanding.

[0023] By precisely controlling the sanding process parameters, the coating layer of graphite powder is maximally preserved, ensuring that the thermal conductivity, hydrophobicity and other functional properties of the plate are not significantly affected.

[0024] The embodiments of the present application will be further described in the following multiple embodiments.

[0025] Example 1

[0026] As Figure 1 An outdoor graphitized bamboo board waste carbon-based plate material, comprising a core layer 1, two layers of laminates 2 are symmetrically arranged on both sides of the core layer 1, the thickness of the core layer 1 and the laminates 2 decreases in gradient from the core layer 1 to the outermost laminate 2, the core layer 1 and the laminates 2 have a graphite carbon layer 3 therebetween, the laminates 2 also have a graphite carbon layer 3 therebetween, and the surface of the plate has a graphite carbon layer 3.

[0027] The thickness of the core layer is 1.5mm.

[0028] The thickness of the laminates is 1mm, 0.5mm respectively.

[0029] The thickness of the graphite carbon layer 3 is 0.01mm.

[0030] Example 2

[0031] As Figure 2 An outdoor graphitized bamboo board waste carbon-based plate material, comprising a core layer 1, three layers of laminates 2 are symmetrically arranged on both sides of the core layer 1, the thickness of the core layer 1 and the laminates 2 decreases in gradient from the core layer 1 to the outermost laminate 2, the core layer 1 and the laminates 2 have a graphite carbon layer 3 therebetween, the laminates 2 also have a graphite carbon layer 3 therebetween, and the surface of the plate has a graphite carbon layer 3.

[0032] The thickness of the core layer is 1.2mm.

[0033] The thickness of the laminates is 1mm, 0.8mm, 0.6mm respectively.

[0034] The thickness of the graphite carbon layer 3 is 0.15mm.

[0035] Example 3

[0036] As Figure 3The utility model provides an outdoor graphitized bamboo board waste carbon base plate material, including core layer 1, four layers of laminated 2 are symmetrically arranged on both sides of core layer 1, the thickness of core layer 1 and laminated 2 is gradiently reduced from core layer 1 to the laminated 2 of outermost side, there is graphite carbon layer 3 between core layer 1 and laminated 2, there is also graphite carbon layer 3 between laminated 2, and the surface of plate material has graphite carbon layer 3.

[0037] The thickness of the core layer is 1.1mm.

[0038] The thickness of the laminated layers is 1mm, 0.9mm, 0.8mm and 0.7mm respectively.

[0039] The thickness of the graphite carbon layer 3 is 0.3mm.

[0040] In the application, the thickness of the core layer, the laminated layers and the graphite carbon layer, and the number of the laminated layers can be designed according to actual needs. The plate material adopts stress distribution homogenization design, that is, through layer thickness gradient design, stress concentration can be effectively dispersed and reduced, and the overall mechanical properties and damage resistance of the plate material are improved. The graphitized bamboo carbon has good thermal conductivity, hydrophobicity, mildew resistance and corrosion resistance, and deformation resistance, and the chemical stability of non-graphitized bamboo carbon is also strengthened, so the plate material is suitable for outdoor floor, wall decoration and other fields, and has wide market application prospect.

[0041] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above, it is not intended to limit the utility model. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical scheme of the utility model. Any modification, equivalent change and modification of the above embodiment, which does not depart from the technical scheme of the utility model and is based on the technical essence of the utility model, still belongs to the scope of the technical scheme of the utility model.

Claims

1. An outdoor graphitized bamboo charcoal-based board, characterized in that, The plate includes a core layer, which has several layers symmetrically arranged on both sides. The thickness of the core layer and the layers decreases from the core layer to the outermost layer. There is a graphite carbon layer between the core layer and the layers, and there is also a graphite carbon layer between the layers. The surface of the plate has a graphite carbon layer.

2. The outdoor graphitized bamboo charcoal-based board according to claim 1, characterized in that, The thickness of the core layer is 1.1~1.5mm.

3. The outdoor graphitized bamboo charcoal-based board according to claim 1, characterized in that, The thickness of the stack is 0.6~1mm.

4. The outdoor graphitized bamboo charcoal-based board according to claim 1, characterized in that, The thickness of the graphite carbon layer is 0.01~0.3mm.