Degradable honeycomb paper composite sandwich plate

By combining a waterproof membrane and folding grooves on the surface of the honeycomb paper composite sandwich panel, along with the design of a storage box and moisture-proof holes, the moisture-proof and waterproof problem of the honeycomb paper composite sandwich panel is solved, improving its service life and simplifying the replacement process.

CN224119358UActive Publication Date: 2026-04-14YONGKANG ANDE PACKAGING MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-16
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing honeycomb paper composite sandwich panels have poor moisture and water resistance, which affects their strength and lifespan, limiting their application range and increasing maintenance costs.

Method used

A waterproof membrane is applied to the surface of the honeycomb paper composite sandwich panel, and the membrane is stably bonded by the cooperation of the folding groove and the sealing groove. A storage box and moisture-proof hole are set inside the honeycomb paperboard to put in desiccant, and the use of biodegradable materials is combined to improve the moisture-proof effect.

Benefits of technology

It achieves waterproof and moisture-proof effects for honeycomb paper composite sandwich panels, extends service life, and facilitates replacement when the waterproof membrane is worn or cracked, reducing the impact of external humidity on the panels.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a degradable honeycomb paper composite sandwich plate which comprises a honeycomb paperboard, stabilizing plates are fixedly connected to the two sides of the surface of the honeycomb paperboard, protective layers are fixedly connected to the surfaces of the stabilizing plates, waterproof films are arranged on the surfaces of the protective layers, clamping grooves are formed in the two sides of the protective layers, and the two ends of the waterproof films are installed in the clamping grooves in a matched mode. Sealing grooves are formed in the two sides of the honeycomb paperboard, and the two ends of the protective layer and the two ends of the waterproof film are installed in the sealing grooves in a matched mode. The composite sandwich plate has the advantages that the waterproof film covers the surface of the protective layer, the waterproof film and the two ends of the protective layer are folded and then clamped in the sealing grooves, the waterproof effect of the surface of the composite sandwich plate is achieved, the waterproof film on the surface of the protective layer can be replaced conveniently and rapidly when the waterproof film is abraded or broken, and the service life of the composite sandwich plate is prolonged. Therefore, the composite sandwich plate can be continuously subjected to waterproof protection of the waterproof film, and the service life of the whole composite sandwich plate is greatly prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of honeycomb paperboard technology, and more specifically, to a biodegradable honeycomb paper composite sandwich panel. Background Technology

[0002] With the development of modern industry, the requirements for materials are no longer limited to high strength and lightweight, but also require good adaptability and environmental friendliness. Among many materials, honeycomb paper composite sandwich panels are highly favored due to their unique internal honeycomb structure. This structure allows honeycomb paper composite panels to achieve excellent mechanical properties, such as high compressive strength and good cushioning performance, while maintaining low weight, making them an ideal choice for cushioning pads in precision instruments, home appliances, and other components.

[0003] However, despite the excellent mechanical properties of honeycomb paper composite sandwich panels, their inherent limitations as paper materials are also quite evident. Currently available honeycomb paper composite panels generally suffer from poor moisture and water resistance. Due to the inherent absorbency of paper materials, when exposed to humid environments or direct contact with water, the honeycomb paper easily absorbs water and swells, leading to deformation and severely impacting the strength and lifespan of the composite panel. This not only limits the application range of honeycomb paper composite sandwich panels but also increases maintenance costs and replacement frequency, thus reducing the user experience.

[0004] There are currently no effective solutions to the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a biodegradable honeycomb paper composite sandwich panel to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A biodegradable honeycomb paper composite sandwich panel includes a honeycomb paperboard, with a stabilizing plate fixedly connected to both sides of the honeycomb paperboard, a protective layer fixedly connected to the surface of the stabilizing plate, a waterproof membrane on the surface of the protective layer, clamping grooves on both sides of the protective layer, and the two ends of the waterproof membrane fitted into the clamping grooves. A sealing groove is provided on both sides of the honeycomb paperboard, and the two ends of the protective layer and the waterproof membrane fitted into the sealing groove.

[0008] Furthermore, in order to achieve a moisture-proof effect inside the honeycomb paperboard, storage boxes are fixedly connected to both ends of the honeycomb paperboard, and moisture-proof holes are opened inside both the storage boxes and the honeycomb paperboard.

[0009] Furthermore, to enhance the tear resistance of the composite sandwich panel, a reinforcing mesh is embedded inside the stabilizing panel.

[0010] Furthermore, in order to achieve a wear-resistant effect on the surface of the waterproof membrane, a wear-resistant layer is fixedly connected to the surface of the waterproof membrane.

[0011] Furthermore, to facilitate the addition of desiccant to the storage box, an injection hole is provided on one side of the storage box, and a sealing plate is provided on one side of the injection hole.

[0012] Furthermore, in order to achieve the folding effect on both sides of the protective layer, folding grooves are opened on both sides of the surface of the protective layer.

[0013] Furthermore, in order to achieve a flame-retardant effect on the surface of the composite sandwich panel, a flame-retardant film is fixedly connected to the surface of the protective layer.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. By covering the surface of the protective layer with a waterproof membrane and clamping both ends of the waterproof membrane inside the protective layer, the two ends of the protective layer on both sides of the composite sandwich panel are folded and clamped in the sealing groove. This allows the waterproof membrane to be stably attached to both sides of the composite sandwich panel, achieving a waterproof effect on the surface of the composite sandwich panel. Furthermore, through the folding and cooperation between the two ends of the protective layer and the sealing groove, the waterproof membrane on the surface of the protective layer can be easily and quickly replaced when it is worn or broken, ensuring that the composite sandwich panel is continuously protected by the waterproof membrane and greatly extending the service life of the entire composite sandwich panel.

[0016] 2. By using storage boxes on both sides of the honeycomb paperboard and opening moisture-proof holes inside the honeycomb paperboard and storage boxes, desiccant can be placed in the storage boxes before the composite sandwich panel is laminated. The desiccant can then enter the various pores inside the honeycomb paperboard through the moisture-proof holes, achieving a dehumidification and moisture-proof effect inside the composite sandwich panel, further improving the service life of the composite sandwich panel and reducing the impact of external humidity. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the surface structure of a biodegradable honeycomb paper composite sandwich panel according to an embodiment of the present utility model;

[0019] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3This is a schematic diagram of the unfolded structure of the protective layer in a biodegradable honeycomb paper composite sandwich panel according to an embodiment of the present invention;

[0021] Figure 4 yes Figure 3 Enlarged view of point B in the middle;

[0022] Figure 5 This is a schematic diagram of the surface structure of the honeycomb paperboard in a biodegradable honeycomb paper composite sandwich panel according to an embodiment of the present utility model;

[0023] Figure 6 This is an internal cross-sectional view of the stabilizing plate in a biodegradable honeycomb paper composite sandwich panel according to an embodiment of the present invention.

[0024] In the picture:

[0025] 1. Honeycomb paperboard; 2. Stabilizing board; 3. Protective layer; 4. Waterproof membrane; 5. Clamping groove; 6. Sealing groove; 7. Storage box; 8. Moisture-proof hole; 9. Reinforcing mesh; 10. Wear-resistant layer; 11. Injection hole; 12. Sealing plate; 13. Folding groove; 14. Flame-retardant film. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] According to an embodiment of the present invention, a biodegradable honeycomb paper composite sandwich panel is provided.

[0028] Example 1:

[0029] like Figures 1-6As shown, a biodegradable honeycomb paper composite sandwich panel according to an embodiment of the present invention includes a honeycomb paperboard 1. A pair of stabilizing plates 2 are fixedly connected to both sides of the surface of the honeycomb paperboard 1 to increase the overall support strength of the composite sandwich panel. A protective layer 3 is fixedly connected to the surface of each stabilizing plate 2 to protect the surface of the stabilizing plate 2. The honeycomb paperboard 1, the stabilizing plates 2 and the protective layer 3 are all supported by biodegradable pulp, which can achieve the biodegradability of the composite sandwich panel. A waterproof membrane 4 is provided on the surface of the protective layer 3. The waterproof membrane 4 is made of polylactic acid biodegradable plastic, which can effectively waterproof the surface of the protective layer 3. Clamping grooves 5 are opened on both sides of the protective layer 3. The two ends of the waterproof membrane 4 are fitted into the clamping grooves 5. Sealing grooves 6 are provided on both sides of the honeycomb paperboard 1. The two ends of the protective layer 3 and the waterproof membrane 4 are fitted into the sealing grooves 6 after folding, so that the waterproof membrane 4 is stably attached to both sides of the surface of the composite sandwich panel.

[0030] like Figures 1-6 As shown, storage boxes 7 are fixedly connected to both ends of the honeycomb paperboard 1. Both the storage boxes 7 and the honeycomb paperboard 1 have moisture-proof holes 8 inside. By adding desiccant into the storage boxes 7, the desiccant enters the various pores of the honeycomb paperboard 1 through the moisture-proof holes 8, thereby achieving a dehumidification and moisture-proof effect within the composite sandwich panel. A reinforcing mesh 9, made of plant fiber, is embedded inside the stabilizing board 2 to enhance the tear resistance of the stabilizing board 2. A wear-resistant layer 10 is fixedly connected to the surface of the waterproof membrane 4 to enhance its waterproof properties. The wear resistance of the waterproof membrane 4 increases its service life. A filling hole 11 is provided on one side of the storage box 7 to facilitate the addition of desiccant into the storage box 7. A sealing plate 12 is provided on one side of the filling hole 11 to seal the filling hole 11. Folding grooves 13 are provided on both sides of the surface of the protective layer 3 to facilitate the folding of the two ends of the protective layer 3 and the waterproof membrane 4, so that they are stably clamped in the sealing groove 6 after folding. A flame-retardant film 14 is fixedly connected to the surface of the protective layer 3 to increase the flame-retardant effect of the composite sandwich panel surface.

[0031] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0032] In summary, with the help of the above-mentioned technical solution of this utility model, in actual use, the waterproof membrane 4 is covered on the surface of the protective layer 3, and the two ends of the waterproof membrane 4 are placed in the clamping groove 5. Through the folding groove 13 on the surface of the protective layer 3, the two ends of the protective layer 3 and the waterproof membrane 4 are installed in the sealing groove 6 after folding, so that the waterproof membrane 4 is stably attached to both sides of the surface of the composite sandwich panel. When the waterproof membrane 4 is worn or cracked, the two ends of the protective layer 3 can be slid out from the sealing groove 6, and a new waterproof membrane 4 can be replaced to cover the surface of the protective layer 3. Through the above steps, the waterproof membrane 4 on the surface of the protective layer 3 can be replaced conveniently and quickly, so that the composite sandwich panel is continuously protected by the waterproof membrane 4. In addition, before covering the surface of the composite sandwich panel, a desiccant is put into the storage box 7, so that the desiccant enters into the various holes in the honeycomb cardboard 1 through the moisture-proof holes 8, so as to achieve the dehumidification and moisture-proof effect inside the composite sandwich panel, which can further improve the service life of the composite sandwich panel and reduce the impact of external humidity.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A biodegradable honeycomb paper composite sandwich panel, characterized in that, The device includes a honeycomb paperboard (1), a stabilizing plate (2) fixedly connected to both sides of the surface of the honeycomb paperboard (1), a protective layer (3) fixedly connected to the surface of the stabilizing plate (2), a waterproof membrane (4) provided on the surface of the protective layer (3), clamping grooves (5) opened on both sides of the protective layer (3), and the two ends of the waterproof membrane (4) are fitted into the clamping grooves (5). The honeycomb paperboard (1) has sealing grooves (6) on both sides, and the two ends of the protective layer (3) and the waterproof membrane (4) are fitted into the sealing grooves (6).

2. The biodegradable honeycomb paper composite sandwich panel according to claim 1, characterized in that, The two ends of the honeycomb paperboard (1) are fixedly connected to the storage box (7), and both the storage box (7) and the honeycomb paperboard (1) have moisture-proof holes (8).

3. The biodegradable honeycomb paper composite sandwich panel according to claim 1, characterized in that, A reinforcing mesh (9) is fitted inside the stabilizing plate (2).

4. The biodegradable honeycomb paper composite sandwich panel according to claim 1, characterized in that, A wear-resistant layer (10) is fixedly connected to the surface of the waterproof membrane (4).

5. The biodegradable honeycomb paper composite sandwich panel according to claim 1, characterized in that, A material injection hole (11) is provided on one side of the material storage box (7), and a sealing plate (12) is provided on one side of the material injection hole (11).

6. The biodegradable honeycomb paper composite sandwich panel according to claim 1, characterized in that, The protective layer (3) has folded grooves (13) on both sides of its surface.

7. The biodegradable honeycomb paper composite sandwich panel according to claim 1, characterized in that, A flame-retardant film (14) is fixedly connected to the surface of the protective layer (3).