High-strength compression-resistant corrugated board

Abstract

The utility model relates to the technical field of corrugated paper, and discloses a high-strength compression-resistant corrugated board which comprises a corrugated paper middle layer, connecting surfaces are arranged on the two sides of the corrugated paper middle layer, contact angles are arranged on the two sides of each connecting surface, the contact angles and the edges of the corrugated paper middle layer are bonded through second bonding layers, the connecting surfaces are in a wave shape, and the contact angles are in a wave shape. The contact angle is square, the outer wall of the connecting surface is bonded with a reinforcing edge through a first bonding layer, the outer side of the corrugated paper middle layer is provided with a corrugated paper outer layer, the corrugated paper outer layer is bonded with the contact angle through a second bonding layer, and the outer side of the corrugated paper outer layer is bonded with a waterproof layer through a second bonding layer. The waterproof layer is a polyethylene film. According to the corrugated board, the reinforcing edges are adhered to the two sides of the connecting surface through the first adhesive layers, so that the problem that a traditional corrugated board is usually processed by using recycled waste paper as a raw material, so that the pressure resistance and the strength of the corrugated board are possibly low is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated paper technical field especially relates to high strength compression resistance corrugated paperboard. BACKGROUND

[0002] Corrugated paper is a kind of widely used packaging material, which is made of liner paper and corrugated paper formed by corrugated roller. Its structure is unique, the corrugated core paper in the middle is wavy, which gives corrugated paper good cushioning performance, can effectively protect the goods in the package from impact, vibration and other external force. At the same time, this structure also makes corrugated paper have lighter weight under the condition of ensuring certain strength, which is convenient for transportation and handling. Corrugated paper has good compressive strength and stiffness, can withstand a certain amount of pressure, is not easy to deform, and can maintain the integrity of the package. Moreover, it also has certain moisture resistance, which can resist the invasion of external moisture to a certain extent, and protect the contents from dampness and deterioration. In addition, the raw material of corrugated paper is mainly various waste paper and wood fiber, which is widely available and can be recycled, in line with the concept of environmental protection, and is conducive to resource saving and environmental protection. Because of its low cost, light weight, easy processing and good printing adaptability, it is widely used in the packaging field of many products such as food, household appliances and daily necessities.

[0003] The traditional corrugated paperboard is usually made of recycled waste paper as raw material, because the strength of recycled waste paper is relatively poor, so it may cause the problems of low compression resistance and strength of corrugated paperboard. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the utility model provides high strength compression resistance corrugated paperboard, which aims at improving the problem that the traditional corrugated paperboard is usually made of recycled waste paper as raw material, because the strength of recycled waste paper is relatively poor, so it may cause the problems of low compression resistance and strength of corrugated paperboard.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: high strength compression resistance corrugated paperboard, including corrugated paper middle layer, the two sides of the corrugated paper middle layer are provided with connecting surface, the two sides of the connecting surface are provided with contact angle, the contact angle and the edge of the corrugated paper middle layer are bonded by the second adhesive layer, the connecting surface is wavy, the contact angle is square, and the outer wall of the connecting surface is bonded with reinforced edge through the first adhesive layer.

[0006] Preferably, the outer side of the corrugated paper middle layer is provided with corrugated paper outer layer, and the corrugated paper outer layer and the contact angle are bonded by the second adhesive layer.

[0007] Preferably, the outer side of the corrugated paper outer layer is bonded with waterproof layer through the second adhesive layer, and the waterproof layer is polyethylene film.

[0008] Preferably, the inner side of the middle layer of the corrugated paper is provided with a corrugated paper inner layer, and the contact angle is bonded through a second adhesive layer.

[0009] Preferably, the inner side of the corrugated paper inner layer is bonded with a contact layer through a second adhesive layer, and the outer wall of the contact layer is provided with flocking.

[0010] Preferably, the outer layer of the corrugated paper is kraft paper or box board paper.

[0011] Preferably, the first adhesive layer and the second adhesive layer are starch glue, the inside of the starch glue is provided with a capsule wall of polyurea material, and the inside of the capsule wall of polyurea material is provided with a desiccant.

[0012] Preferably, the connecting plate is fixedly connected between the two reinforcing edges, and the reinforcing edge and the connecting plate are plastic.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1. In the utility model, the reinforcing edge is pasted on both sides of the connecting surface through the first adhesive layer, the reinforcing edge is made of plastic material, thereby improving the strength of the reinforcing edge, improving the strength of the connecting surface, preventing the connecting surface from bending in the middle under a large pressure, thereby losing the buffering capacity and reducing the strength, and improving the traditional corrugated paperboard which is usually made of recycled waste paper as raw material. Because the strength of the recycled waste paper is poor, the corrugated paperboard may have the problems of low compression resistance and strength.

[0015] 2. In the utility model, the two reinforcing edges are connected through the connecting plate, thereby improving the integrity of the reinforcing edge and the connecting surface, thereby preventing the connecting surface from overturning under an inclined pressure, thereby improving the anti-overturning property of the connecting surface. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a high-strength compression-resistant corrugated paperboard front view three-dimensional structure schematic diagram;

[0017] Figure 2 The utility model provides a high-strength compression-resistant corrugated paperboard section structure schematic diagram;

[0018] Figure 3 The utility model provides a high-strength compression-resistant corrugated paperboard connecting plate and reinforcing edge local three-dimensional structure schematic diagram;

[0019] Figure 4 The utility model provides a high-strength compression-resistant corrugated paperboard contact angle and connecting surface local three-dimensional structure schematic diagram.

[0020] LEGEND:

[0021] 1, corrugated paper middle layer; 2, connecting plate; 3, contact angle; 4, corrugated paper inner layer; 5, contact layer; 6, first adhesive layer; 7, reinforcing edge; 8, connecting surface; 9, waterproof layer; 10, corrugated paper outer layer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Referring to Figures 1-4 , including corrugated paper middle layer 1, the two sides of corrugated paper middle layer 1 are provided with connecting surface 8, the two sides of connecting surface 8 are provided with contact angle 3, contact angle 3 and the edge of corrugated paper middle layer 1 are adhered by second adhesive layer, connecting surface 8 is wave-shaped, contact angle 3 is square, and the outer wall of connecting surface 8 is adhered with reinforcing edge 7 through first adhesive layer 6.

[0024] Specifically, corrugated paper middle layer 1 can increase the compression and bending resistance of the paperboard, connecting surface 8 can connect contact angle 3 and provide a buffer for contact angle 3, thereby providing a buffer for the paperboard, contact angle 3 can support corrugated paper outer layer 10, corrugated paper middle layer 1 and corrugated paper inner layer 4, the wave-shaped connecting surface 8 can increase the buffer condition and improve the buffer effect, the square contact angle 3 can increase the contact area of contact angle 3 with corrugated paper outer layer 10, corrugated paper middle layer 1 and corrugated paper inner layer 4, thereby increasing the stability of connecting surface 8, and reinforcing edge 7 can increase the strength of the middle part of connecting surface 8 and prevent the possibility of bending under pressure, thereby increasing the strength of the overall paperboard.

[0025] Referring to Figures 1-2 , the outer side of corrugated paper middle layer 1 is provided with corrugated paper outer layer 10, and corrugated paper outer layer 10 is adhered to contact angle 3 by a second adhesive layer.

[0026] Specifically, corrugated paper outer layer 10 can resist external friction, collision and scratching.

[0027] Referring to Figures 1-2 , the outer side of corrugated paper outer layer 10 is adhered with waterproof layer 9 by a second adhesive layer, and waterproof layer 9 is a polyethylene film.

[0028] Specifically, the waterproof layer 9 can play a waterproof effect, thereby preventing the wet water strength of the corrugated paper outer layer 10 from decreasing. The waterproof layer 9 is a polyethylene film, which has good moisture resistance, flexibility and chemical stability, is non-toxic and odorless, and has a relatively low price, and can effectively prevent moisture from entering.

[0029] With reference to Figures 1-2 , the inner side of the corrugated paper middle layer 1 is provided with a corrugated paper inner layer 4, and the corrugated paper inner layer 4 is bonded to the contact angle 3 through a second adhesive layer.

[0030] Specifically, the corrugated paper inner layer 4 and the connecting surface 8 can be effectively connected together, thereby improving the integrity.

[0031] With reference to Figures 1-2 , the inner side of the corrugated paper inner layer 4 is bonded to a contact layer 5 through a second adhesive layer, and the outer wall of the contact layer 5 is provided with flocking.

[0032] Specifically, the contact layer 5 provided with flocking on the outer wall can enhance the buffering performance, better protect the contents, and increase the friction, so that the contents are less likely to slide during transportation and storage.

[0033] With reference to Figures 1-2 , the corrugated paper outer layer 10 is made of kraft paper or boxboard.

[0034] Specifically, the kraft paper has high tensile strength, tear strength and burst strength, good toughness, and can withstand large external forces. The boxboard has good flatness and printing suitability, and can make the packaging appearance more beautiful, which is helpful for product display and sales.

[0035] With reference to Figures 1-2 , the first adhesive layer 6 and the second adhesive layer are made of starch glue, the inside of the starch glue is provided with a capsule wall of polyurea material, and the inside of the capsule wall of polyurea material is provided with a desiccant.

[0036] Specifically, the first adhesive layer 6 and the second adhesive layer made of starch glue can reduce the cost and improve the economy. The inside of the starch glue is provided with a capsule wall of polyurea material, which can effectively wrap the desiccant inside, prevent the desiccant from being squeezed and broken, and thus prevent the desiccant from spilling out. The desiccant can absorb moisture, thereby preventing the paperboard from being damp.

[0037] With reference to Figures 1-3 , the two reinforcing edges 7 are fixedly connected with the connecting plate 2, and the reinforcing edges 7 and the connecting plate 2 are made of plastic.

[0038] Specifically, the connecting plate 2 can fixedly connect the reinforcing edges 7, so that the reinforcing edges 7 between the connecting surfaces 8 become a whole, thereby improving the anti-overturning performance of the connecting surface 8, preventing the connecting surface 8 from overturning under a large pressure, and causing the wave-shaped connecting surface 8 to fail.

[0039] Working principle: the two layers of connecting surface 8 is fixed in the inside through the corrugated paper outer layer 10, corrugated paper middle layer 1 and corrugated paper inner layer 4, through the contact angle 3 of connecting surface 8 both ends tightly adhere to the corrugated paper outer layer 10, corrugated paper middle layer 1 and corrugated paper inner layer 4, through the reinforcing edge 7 of connecting surface 8 both sides improve the strength of connecting surface 8 middle part, through the connecting plate 2 of reinforcing edge 7 middle part improve the overturning resistance of connecting surface 8, through the first adhesive layer 6 and the second adhesive layer connect each structure together, through the capsule wall of polyurea material inside the first adhesive layer 6 and the second adhesive layer dry agent is wrapped inside, and then together with the first adhesive layer 6 and the second adhesive layer is attached to the connecting position between each structure, so as to prevent the paperboard from being damp, through the contact layer 5 protects the goods inside the paperboard, through the waterproof layer 9 prevents the paperboard from being eroded by external water flow.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. High-strength, pressure-resistant corrugated paperboard, comprising a corrugated paper middle layer (1), characterized in that: The corrugated paper middle layer (1) is provided with a connecting surface (8) on both sides, the connecting surface (8) is provided with a contact angle (3) on both sides, the contact angle (3) is bonded with the edge of the corrugated paper middle layer (1) by a second adhesive layer, the connecting surface (8) is wave-shaped, the contact angle (3) is square-shaped, and the outer wall of the connecting surface (8) is bonded with a reinforcing edge (7) by a first adhesive layer (6).

2. The high-strength, compression-resistant corrugated paperboard of claim 1, wherein: The outer side of the corrugated paper middle layer (1) is provided with a corrugated paper outer layer (10), and the corrugated paper outer layer (10) is bonded with the contact angle (3) by a second adhesive layer.

3. The high-strength, compression-resistant corrugated paperboard of claim 2, wherein: The outer side of the corrugated paper outer layer (10) is bonded with a waterproof layer (9) by a second adhesive layer, and the waterproof layer (9) is a polyethylene film.

4. The high-strength, crush-resistant corrugated paperboard of claim 1, wherein: The inner side of the corrugated paper middle layer (1) is provided with a corrugated paper inner layer (4), and the corrugated paper inner layer (4) is bonded with the contact angle (3) by a second adhesive layer.

5. The high-strength, compression-resistant corrugated paperboard of claim 4, wherein: The inner side of the corrugated paper inner layer (4) is bonded with a contact layer (5) by a second adhesive layer, and the outer wall of the contact layer (5) is provided with flocking.

6. The high-strength, crush-resistant corrugated paperboard of claim 3, wherein: The corrugated paper outer layer (10) is made of kraft paper or boxboard.

7. The high-strength, crush-resistant corrugated paperboard of claim 1, wherein: The first adhesive layer (6) and the second adhesive layer are made of starch glue, the inside of the starch glue is provided with a capsule wall of polyurea material, and the inside of the capsule wall of polyurea material is provided with a desiccant.

8. The high-strength, crush-resistant corrugated paperboard of claim 1, wherein: Two reinforcing edges (7) are fixedly connected with a connecting plate (2), and the reinforcing edge (7) and the connecting plate (2) are plastic.

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