A kind of degradable composite paperboard

By adopting a composite structure of honeycomb cardboard layer and multi-layer degradable paper layer in the degradable cardboard, the existing cardboard strength and deformation resistance are insufficient, and higher protection effect and environmental protection performance are achieved.

CN222730249UActive Publication Date: 2025-04-08HANG ZHOU PENG GONG ZHI XIANG CHANG
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Patent Information

Application Number
CN202421580003.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-04-08
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The existing degradable cardboard is mostly a single-layer structure, which has poor strength and deformation resistance, which is easy to deform during collision, affecting the protection effect of packaging items.

Method used

A honeycomb cardboard layer is used as the middle support of the cardboard, and four degradable paper layers are arranged at the top and bottom, including bamboo pulp paper layer and starch-based material layer, and evenly distributed honeycomb grooves and deformation-resistant blocks are arranged inside the honeycomb cardboard layer.

Benefits of technology

The strength and deformation resistance of the cardboard are improved through the composite structure, so that it can protect the items more effectively. At the same time, due to the use of degradable materials, the cardboard can be degraded after not being used, achieving environmental protection purposes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a degradable composite paperboard, comprising a honeycomb paperboard layer, wherein a first degradable paper layer and a second degradable paper layer are sequentially arranged on the top of the honeycomb paperboard layer, and a third degradable paper layer and a fourth degradable paper layer are sequentially arranged on the bottom of the honeycomb paperboard layer. The utility model realizes a composite structure of paperboard through four layers of degradable paper layers and a honeycomb paperboard layer, which is beneficial to improving the strength and anti-deformation performance of paperboard, and through the degradable paper layers, paperboard can be degraded, thereby achieving the purpose of environmental protection.
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Description

Technical Field

[0001] The utility model relates to a degradable composite paperboard. Background Art

[0002] Cardboard is the material for making cartons, which can be used to package items. Degradable cardboard is one of the new environmentally friendly cardboards. Cardboard made of degradable materials can be degraded and recycled after it is no longer used, achieving the purpose of environmental protection.

[0003] Most of the existing biodegradable cardboards are single-layer structures, and the overall strength and deformation resistance of the cardboard are poor. When the cardboard collides, it is easy to deform, which in turn affects the protective effect of the cardboard on the articles, and has certain limitations.

[0004] Therefore, it is necessary to provide a degradable composite paperboard to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a degradable composite paperboard to solve the problems raised in the above background technology.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A degradable composite paperboard comprises a honeycomb paperboard layer, wherein a first degradable paper layer and a second degradable paper layer are sequentially arranged on the top of the honeycomb paperboard layer, and a third degradable paper layer and a fourth degradable paper layer are sequentially arranged on the bottom of the honeycomb paperboard layer.

[0008] Preferably, the first degradable paper layer and the second degradable paper layer are both configured as bamboo pulp paper layers.

[0009] Preferably, the third degradable paper layer and the fourth degradable paper layer are both configured as starch-based material layers.

[0010] Preferably, a plurality of evenly distributed honeycomb grooves are formed inside the honeycomb paperboard layer, and anti-deformation blocks are arranged inside the plurality of honeycomb grooves, and the cross-section of the anti-deformation blocks is circular.

[0011] Preferably, a first degradable film layer is disposed on top of the second degradable paper layer.

[0012] Preferably, a second degradable film layer is disposed at the bottom of the fourth degradable paper layer.

[0013] The beneficial effects of the utility model are as follows: the honeycomb paperboard layer is used to support the middle part of the whole paperboard, the first degradable paper layer and the second degradable paper layer are used to realize the composite structure of the top of the honeycomb paperboard layer, the third degradable paper layer and the fourth degradable paper layer are used to realize the composite structure of the bottom of the honeycomb paperboard layer, and the composite structure of the paperboard is realized by four degradable paper layers and the honeycomb paperboard layer, which is beneficial to improve the strength and deformation resistance of the paperboard, and the degradable paper layer enables the paperboard to be degraded, thereby achieving the purpose of environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below, but this does not limit the protection scope of the utility model.

[0015] Figure 1 A front cross-sectional view of the entirety of the utility model;

[0016] Figure 2 This is a top view of the honeycomb paperboard layer provided by the utility model.

[0017] Among them, 1. honeycomb paperboard layer; 2. first degradable paper layer; 3. second degradable paper layer; 4. third degradable paper layer; 5. fourth degradable paper layer; 6. honeycomb groove; 7. anti-deformation block; 8. first degradable film layer; 9. second degradable film layer. DETAILED DESCRIPTION

[0018] See also Figure 1 to Figure 2 A degradable composite paperboard is shown, comprising a honeycomb paperboard layer 1, on the top of which a first degradable paper layer 2 and a second degradable paper layer 3 are sequentially arranged, and on the bottom of which a third degradable paper layer 4 and a fourth degradable paper layer 5 are sequentially arranged.

[0019] Furthermore, the first degradable paper layer 2 and the second degradable paper layer 3 are both bamboo pulp paper layers.

[0020] Bamboo pulp paper is paper made of bamboo fibers. Compared with other paper materials, bamboo pulp paper has higher strength and durability, so as to ensure the strength and durability of the first degradable paper layer 2 and the second degradable paper layer 3 .

[0021] Furthermore, the third degradable paper layer 4 and the fourth degradable paper layer 5 are both configured as starch-based material layers.

[0022] The starch-based material is a degradable material made by mixing starch and polylactic acid or other degradable raw materials. The main characteristics of the starch-based material are low cost, simple preparation, and under normal climatic conditions, it can be degraded into carbon dioxide and water and other environmentally friendly substances. In order to reduce the cost of the third degradable paper layer 4 and the fourth degradable paper layer 5, and to achieve the purpose of energy saving and environmental protection.

[0023] Furthermore, a plurality of evenly distributed honeycomb grooves 6 are formed inside the honeycomb paperboard layer 1 , and anti-deformation blocks 7 are arranged inside the plurality of honeycomb grooves 6 , and the cross section of the anti-deformation blocks 7 is circular.

[0024] The plurality of honeycomb grooves 6 and the anti-deformation blocks 7 are used to improve the stability of the honeycomb paperboard layer 1 and ensure the strength of the honeycomb paperboard layer 1 .

[0025] Furthermore, a first degradable film layer 8 is disposed on the top of the second degradable paper layer 3 .

[0026] The first degradable film layer 8 is configured as a water-soluble film, specifically a polylactic acid plastic film, so that the first degradable film layer 8 can be degraded when it comes into contact with water.

[0027] Furthermore, a second degradable film layer 9 is disposed at the bottom of the fourth degradable paper layer 5 .

[0028] The second degradable film layer 9 is configured as a water-soluble film, specifically a PVA plastic film, so that the second degradable film layer 9 can be degraded when it encounters water.

[0029] When the utility model is used, the honeycomb paperboard layer 1 is used to support the middle part of the whole paperboard, the first degradable paper layer 2 and the second degradable paper layer 3 are used to realize the composite structure of the top of the honeycomb paperboard layer 1, the third degradable paper layer 4 and the fourth degradable paper layer 5 are used to realize the composite structure of the bottom of the honeycomb paperboard layer 1, and the composite structure of the paperboard is realized by four degradable paper layers and the honeycomb paperboard layer 1, which is beneficial to improve the strength and deformation resistance of the paperboard, and the degradable paper layer allows the paperboard to be degraded, thereby achieving the purpose of environmental protection.

[0030] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A degradable composite paperboard, characterized in that: It comprises a honeycomb paperboard layer, wherein a first degradable paper layer and a second degradable paper layer are sequentially arranged on the top of the honeycomb paperboard layer, and a third degradable paper layer and a fourth degradable paper layer are sequentially arranged on the bottom of the honeycomb paperboard layer.

2. The degradable composite paperboard according to claim 1, characterized in that: The first degradable paper layer and the second degradable paper layer are both configured as bamboo pulp paper layers.

3. The degradable composite paperboard according to claim 1, characterized in that: The third degradable paper layer and the fourth degradable paper layer are both configured as starch-based material layers.

4. The degradable composite paperboard according to claim 1, characterized in that: A plurality of evenly distributed honeycomb grooves are formed inside the honeycomb paperboard layer, and anti-deformation blocks are arranged inside the plurality of honeycomb grooves, and the cross section of the anti-deformation blocks is circular.

5. The degradable composite paperboard according to claim 1, characterized in that: A first degradable film layer is arranged on top of the second degradable paper layer.

6. The degradable composite paperboard according to claim 1, characterized in that: A second degradable film layer is arranged at the bottom of the fourth degradable paper layer.