Environment-friendly degradable corrugated board

By using multi-layer structure and degradable materials in corrugated cardboard, the deformation resistance and shock absorption performance of corrugated cardboard is improved, and the problems of insufficient deformation resistance and non-degradability of existing corrugated cardboard are solved, achieving a combination of environmental protection and practicality.

CN222313669UActive Publication Date: 2025-01-07ZHEJIANG YUANJIA PACKAGING TECH CO LTD
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Patent Information

Application Number
CN202323338223.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-08
Publication Date
2025-01-07
Estimated Expiration
2033-12-08

AI Technical Summary

Technical Problem

The existing environmentally friendly corrugated cardboard has insufficient deformation resistance when subjected to external impacts, and its non-degradability causes environmental damage.

Method used

Environmentally friendly and biodegradable corrugated cardboard design with multi-layer structure, including inner and outer corrugated layers, reinforcement layers, buffer sponge layers and waterproof layers. Degradable wood-plastic composite materials and polylactic acid sponge materials are used to connect reinforcement columns and buffer sponge structures. Improve deformation resistance and shock absorption performance.

Benefits of technology

It significantly improves the deformation resistance and shock absorption performance of corrugated cardboard, making it more environmentally friendly and practical, while reducing environmental damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an environment-friendly degradable corrugated board which comprises a corrugated board body, the corrugated board body comprises an inner surface layer, the upper surface of the inner surface layer is connected with an inner corrugated layer in a bonding mode, the upper surface of the inner corrugated layer is connected with a separation layer a in a bonding mode, and the upper surface of the separation layer a is connected with a reinforcing layer a in a bonding mode. A reinforcing layer b is arranged on the reinforcing layer a, a buffering structure is arranged between the reinforcing layer a and the reinforcing layer b, the upper surface of the reinforcing layer b is connected with a separation layer b in a bonding mode, the upper surface of the separation layer b is connected with an outer corrugated layer in a bonding mode, the upper surface of the outer corrugated layer is connected with an outer surface layer in a bonding mode, and the upper surface of the outer surface layer is connected with a waterproof layer in a bonding mode. The environment-friendly degradable floor is environment-friendly, degradable and good in deformation resistance.
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Description

Technical Field

[0001] The utility model relates to the technical field of degradable corrugated paperboard, in particular to an environmentally friendly degradable corrugated paperboard. Background Art

[0002] Corrugated paperboard, also known as corrugated paperboard, is made of at least one layer of corrugated paper and one layer of boxboard (also called boxboard) bonded together. It has good elasticity and extensibility. It is mainly used to make cartons, sandwich panels for cartons, and other packaging materials for fragile goods. As a traditional and indispensable packaging container, corrugated boxes have been used for hundreds of years and are deeply favored.

[0003] The existing environmentally friendly corrugated cardboard has certain limitations when used. When subjected to external impact forces, the existing corrugated cardboard has insufficient anti-deformation performance, which easily causes the deformation of the corrugated cardboard, which is not conducive to the recycling of corrugated boxes. In addition to the anti-deformation ability, the shockproof performance of the corrugated cardboard is also very important. In addition, the existing corrugated cardboard is widely used, and the non-degradability of the corrugated cardboard will also cause damage to the environment. Therefore, we have made improvements to this and proposed an environmentally friendly and degradable corrugated cardboard. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, one purpose of the utility model is to provide an environmentally friendly and degradable corrugated paperboard with good anti-deformation performance.

[0005] The technical solution is as follows:

[0006] An environmentally friendly and degradable corrugated paperboard comprises a corrugated paperboard main body, wherein the corrugated paperboard main body comprises an inner surface layer, an inner corrugated layer is bonded to the upper surface of the inner surface layer, a separation layer a is bonded to the upper surface of the inner corrugated layer, a reinforcement layer a is bonded to the upper surface of the separation layer a, a reinforcement layer b is arranged on the reinforcement layer a, a buffer structure is arranged between the reinforcement layer a and the reinforcement layer b, a separation layer b is bonded to the upper surface of the reinforcement layer b, an outer corrugated layer is bonded to the upper surface of the separation layer b, an outer corrugated layer is bonded to the upper surface of the outer corrugated layer, and a waterproof layer is bonded to the upper surface of the outer layer.

[0007] Furthermore, the reinforcement layer a and the reinforcement layer b are both spliced ​​together by a number of reinforcement columns, and the reinforcement columns are columnar in shape with a triangular cross-section. The several reinforcement columns of the reinforcement layer a and the reinforcement layer b are fixedly connected to one side of the adjacent separation layer, and the two reinforcement layers are staggered, and the gap between the two reinforcement columns on one side corresponds to the reinforcement column on the other side.

[0008] Furthermore, the reinforcing column is made of a degradable wood-plastic composite material by hot pressing.

[0009] Furthermore, the inner corrugated layer and the outer corrugated layer are wavy in appearance.

[0010] Furthermore, the buffer structure includes a buffer sponge layer, and the buffer sponge layer is bonded to the reinforcement layers on both sides.

[0011] Furthermore, the buffer sponge layer is made of degradable polylactic acid sponge material.

[0012] Furthermore, the waterproof layer is made of a degradable waterproof plastic film.

[0013] Furthermore, the inner surface layer, outer surface layer, inner corrugated layer, outer corrugated layer, separation layer a and separation layer b all have the same thickness of 1mm-1.5mm; the buffer structure has a thickness of 2mm-3mm; and the reinforcement layer a and reinforcement layer b have a thickness of 5mm-6mm.

[0014] Beneficial effects of the utility model:

[0015] 1. By selecting a variety of degradable materials to make the corrugated paperboard of the utility model, the corrugated paperboard in the utility model is more environmentally friendly.

[0016] 2. By arranging two reinforcing layers (reinforcing layer a and reinforcing layer b) formed by splicing through a plurality of reinforcing columns in the corrugated cardboard, the anti-deformation performance of the corrugated cardboard is enhanced by utilizing the anti-deformation performance of the reinforcing columns. At the same time, a buffer sponge is arranged between the two reinforcing layers as a buffer structure, thereby further enhancing the shock-absorbing and shock-proof performance of the corrugated cardboard in the utility model, and effectively improving the practicability of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a schematic diagram of the structure of the utility model after being disassembled in layers.

[0020] Figure 3 It is a structural schematic diagram of the reinforcement layer in the utility model.

[0021] In the figure: 1. Inner surface layer; 2. Inner corrugated layer; 3. Separation layer; 4. Reinforcement layer; 5. Buffer structure; 6. Outer corrugated layer; 7. Outer surface layer; 8. Waterproof layer; 401. Reinforcement column. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] See also Figure 1 to Figure 2 As shown, an environmentally friendly and degradable corrugated paperboard includes a corrugated paperboard main body, the corrugated paperboard main body includes an inner surface layer 1, the inner surface layer 1 is bonded to an inner corrugated layer 2 on its upper surface, the inner corrugated layer 2 is bonded to a separation layer a3 on its upper surface, the separation layer a3 is bonded to a reinforcement layer a4 on its upper surface, a reinforcement layer b4 is provided on the reinforcement layer a4, a buffer structure 5 is provided between the reinforcement layer a4 and the reinforcement layer b4, the reinforcement layer b4 is bonded to a separation layer b3 on its upper surface, the separation layer b3 is bonded to an outer corrugated layer 6 on its upper surface, the outer corrugated layer 6 is bonded to an outer surface layer 7 on its upper surface, and the outer surface layer 7 is bonded to a waterproof layer 8 on its upper surface.

[0025] The reinforcing layer 4 (reinforcing layer a, reinforcing layer b) is composed of a plurality of reinforcing columns 401, the reinforcing column 401 is in the shape of a column with a triangular cross section, and the reinforcing column 401 is made of a degradable wood-plastic composite material by hot pressing;

[0026] The several reinforcing columns 401 of the reinforcing layer a 4 and the reinforcing layer b 4 are fixedly connected to one side of the adjacent separation layer, and the two reinforcing layers 4 are staggered, and the gap between the two reinforcing columns 401 on one side corresponds to the reinforcing columns 401 on the other side.

[0027] like Figure 2 , the inner corrugated layer 2 and the outer corrugated layer 6 are wavy in appearance;

[0028] The buffer structure 5 includes a buffer sponge layer, which is bonded to the reinforcing layers 4 on both sides, and the buffer sponge layer is made of a degradable polylactic acid sponge material;

[0029] The waterproof layer 8 is made of a degradable waterproof plastic film;

[0030] Furthermore, the inner surface layer 1, the outer surface layer 7, the inner corrugated layer 2, the outer corrugated layer 6 and the separation layer 3 all have the same thickness of 1mm-1.5mm; the buffer structure 5 has a thickness of 2mm-3mm; and the reinforcement layer 4 has a thickness of 5mm-6mm.

[0031] According to the above scheme, the utility model uses a variety of degradable and environmentally friendly materials in the corrugated cardboard, such as the degradable wood-plastic composite material selected for the reinforcing column 401, the degradable polylactic acid sponge material selected for the buffer structure 5, and the degradable plastic film material selected for the waterproof layer 8, etc., making the corrugated cardboard in the utility model more degradable and more environmentally friendly.

[0032] At the same time, the utility model further provides two reinforcing layers 4 on the corrugated paperboard to enhance the anti-deformation ability of the corrugated paperboard: the two reinforcing layers 4 are composed of a plurality of reinforcing columns 401 spliced ​​side by side, and the reinforcing columns 401 are triangular columnar structures in cross section, which are not easy to deform, thereby effectively enhancing the anti-deformation ability of the corrugated paperboard. Figure 3 As shown, the two reinforcing layers 4 are connected in a staggered manner, so that the gap between the two reinforcing columns 401 on one side corresponds to the reinforcing column 401 on the other side, so that the reinforcing layers 4 on both sides can be connected in a matching manner and the deformation resistance of the corrugated cardboard can be further improved.

[0033] In addition to the ability to resist deformation, the shockproof performance of the corrugated cardboard is also very important. The utility model arranges a buffer sponge between the two reinforcing layers 4 as a buffer structure 5, and utilizes the buffering characteristics of the sponge to enhance the shock absorption and shock resistance of the corrugated cardboard.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An environmentally friendly and degradable corrugated paperboard, characterized in that: The invention comprises a corrugated cardboard body, wherein the corrugated cardboard body comprises an inner surface layer, an inner corrugated layer is bonded to the upper surface of the inner surface layer, a separation layer a is bonded to the upper surface of the inner corrugated layer, a reinforcement layer a is bonded to the upper surface of the separation layer a, a reinforcement layer b is arranged on the reinforcement layer a, a buffer structure is arranged between the reinforcement layer a and the reinforcement layer b, a separation layer b is bonded to the upper surface of the reinforcement layer b, an outer corrugated layer is bonded to the upper surface of the separation layer b, an outer corrugated layer is bonded to the upper surface of the outer corrugated layer, and a waterproof layer is bonded to the upper surface of the outer layer.

2. The environmentally friendly and degradable corrugated paperboard according to claim 1 is characterized in that: The reinforcement layer a and the reinforcement layer b are both spliced ​​together by a number of reinforcement columns. The reinforcement columns are columnar in shape with a triangular cross-section. The several reinforcement columns of the reinforcement layer a and the reinforcement layer b are fixedly connected to one side of the adjacent separation layer. The two reinforcement layers are staggered, and the gap between the two reinforcement columns on one side corresponds to the reinforcement column on the other side.

3. The environmentally friendly and degradable corrugated paperboard according to claim 2 is characterized in that: The reinforcing column is made of degradable wood-plastic composite material by hot pressing.

4. The environmentally friendly and degradable corrugated paperboard according to claim 1, characterized in that: The inner corrugated layer and the outer corrugated layer are wavy in appearance.

5. The environmentally friendly and degradable corrugated paperboard according to claim 1, characterized in that: The buffer structure comprises a buffer sponge layer, and the buffer sponge layer is bonded and connected to the reinforcement layers on both sides.

6. The environmentally friendly and degradable corrugated paperboard according to claim 5, characterized in that: The buffer sponge layer is made of degradable polylactic acid sponge material.

7. The environmentally friendly and degradable corrugated paperboard according to claim 1, characterized in that: The waterproof layer is made of degradable waterproof plastic film.

8. The environmentally friendly and degradable corrugated paperboard according to claim 1, characterized in that: The inner surface layer, outer surface layer, inner corrugated layer, outer corrugated layer, separation layer a and separation layer b all have the same thickness of 1mm-1.5mm; the buffer structure has a thickness of 2mm-3mm; the reinforcement layer a and reinforcement layer b have a thickness of 5mm-6mm.