Composite moisture-proof corrugated paper

Abstract

The utility model discloses composite moisture-proof corrugated paper which comprises lining paper, first outer layer paper is arranged at the top of the lining paper, a corrugated core body is arranged between the bottom of the first outer layer paper and the top of the lining paper, first elastic columns are arranged at the top of the corrugated core body at equal intervals, and second elastic columns are arranged at the bottom of the corrugated core body at equal intervals. The second outer-layer paper is arranged on the outer sides of the first outer-layer paper and the lining paper, and the thermal insulation layer, the reinforcing layer, the elastic layer, the waterproof layer and the wear-resistant layer are respectively arranged on the outer sides of the first outer-layer paper, the lining paper and the second outer-layer paper. According to the composite moisture-proof corrugated paper disclosed by the utility model, a plurality of functional layers, including the heat preservation layer, the reinforcing layer, the elastic layer, the waterproof layer and the wear-resistant layer, are additionally arranged on the surface of the corrugated paper, so that not only is the packaging functionality of the corrugated paper improved, but also the durability and the practicability under various environmental conditions are ensured, and various requirements of modern packaging are greatly met.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated paper technical field especially relates to a composite moistureproof corrugated paper. BACKGROUND

[0002] Corrugated paperboard began in the late 18th century, the early 19th century because of its light weight and cheap price, wide application, simple production, and can be recycled even reuse, so its application has a significant growth. In the early 20th century, it has obtained comprehensive popularization, promotion and application for making packaging for various goods. Because the packaging container made of corrugated paperboard has its unique performance and advantage for beautifying and protecting the goods inside, it has obtained great success in the competition with various packaging materials. It becomes one of the main materials for making packaging container that has been used for a long time and presents rapid development.

[0003] The corrugated paper of the prior art has the problem that it is easy to absorb moisture and become soft in the season with high air humidity, which can sharply reduce the physical properties of the corrugated paper box, for example, the paper strength can be reduced by more than 40%, resulting in inconvenient carrying of the corrugated paper box and damage of the products in the paper box. SUMMARY

[0004] The utility model discloses a composite moistureproof corrugated paper which is improved in structure and defects of the prior art to achieve better practical value.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A composite moistureproof corrugated paper, comprising inner lining paper, a first outer layer paper is arranged on the top of the inner lining paper, a corrugated core body is arranged between the bottom of the first outer layer paper and the top of the inner lining paper, first elastic columns are equidistantly arranged on the top of the corrugated core body, second elastic columns are equidistantly arranged on the bottom of the corrugated core body, a second outer layer paper is arranged on the outer side of the first outer layer paper and the inner lining paper, and a thermal insulation layer, a reinforcing layer, an elastic layer, a waterproof layer and a wear-resistant layer are arranged on the outer side of the first outer layer paper, the inner lining paper and the second outer layer paper respectively.

[0007] In one preferred embodiment, the wear-resistant layer is arranged on the bottom of the waterproof layer, the waterproof layer is arranged on the bottom of the elastic layer, the elastic layer is arranged on the bottom of the reinforcing layer, the reinforcing layer is arranged on the bottom of the thermal insulation layer, and the thermal insulation layer is arranged on the bottom of the first outer layer paper.

[0008] In one preferred embodiment, the thickness between the thermal insulation layer, the reinforcing layer, the elastic layer, the waterproof layer and the wear-resistant layer is about 1mm-3mm.

[0009] In a preferred scheme, the contact surface between the inner liner paper, the first outer layer paper, the corrugated core body and the second outer layer paper is adhered by glue.

[0010] In a preferred scheme, the corrugated core body, the first elastic column and the second elastic column are adhered by glue.

[0011] In a preferred scheme, the corrugated core body is wavy.

[0012] The composite moisture-proof corrugated paper has the following advantages.

[0013] The surface of the corrugated paper is coated with a thermal insulation layer, a reinforcing layer, an elastic layer, a waterproof layer and a wear-resistant layer. The thermal insulation layer is composed of polyurethane (PU) foam, which has low thermal conductivity and can effectively reduce heat conduction and maintain internal temperature, and is suitable for thermal insulation requirements. The reinforcing layer is composed of carbon fiber, which has excellent strength and enhances the overall structural strength of the corrugated paper. The elastic layer is composed of synthetic rubber, which provides excellent elasticity and can absorb impact and reduce damage risk. The waterproof layer is composed of polyurethane coating, which can resist moisture and chemicals and prolong the service life of the packaging material. The wear-resistant layer is composed of polypropylene coating, which is resistant to wear and tear and can effectively resist friction and scratching, ensuring the appearance and integrity of the package. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional schematic view of the composite moisture-proof corrugated paper is provided.

[0015] Figure 2 A front view schematic view of the composite moisture-proof corrugated paper is provided.

[0016] Figure 3 A corrugated core body schematic view of the composite moisture-proof corrugated paper is provided.

[0017] Figure 4 A corrugated paper internal layer schematic view of the composite moisture-proof corrugated paper is provided.

[0018] In the drawings: 1, inner liner paper; 2, first outer layer paper; 3, corrugated core body; 4, first elastic column; 5, second elastic column; 6, thermal insulation layer; 7, reinforcing layer; 8, elastic layer; 9, waterproof layer; 10, wear-resistant layer; 11, second outer layer paper. DETAILED DESCRIPTION

[0019] The technical solutions of the utility model will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative efforts are within the protection scope of the utility model.

[0020] It should be noted that, in the case of use, the up, down, left, right, front, back, top, bottom, positive, negative, clockwise and counterclockwise in the following description are used only for the purpose of convenience, and do not imply any specific fixed direction. In fact, they are used to reflect the relative position and / or direction between the parts of the object, so they cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] It should be noted that, in the case of use, unless otherwise explicitly specified and limited, the terms "mounting", "fixing", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be structurally connected, or it can be mechanically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] It should be noted that these and other subsequent drawings are only examples, and are not drawn according to the condition of the same scale, and should not be taken as a limitation on the actual protection scope required by the utility model. In addition, the transformation mode under different embodiments can be properly combined. The components of the embodiments of the application described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application. Based on the embodiments of the application, all other embodiments obtained by the ordinary skilled in the art without making creative efforts are within the protection scope of the application.

[0023] The utility model discloses a kind of composite moisture-proof corrugated paper mainly applied to the scene of corrugated paper.

[0024] With reference to Figures 1 to 4The utility model provides a kind of composite moisture-proof corrugated paper, comprising: inner liner paper 1, the top of inner liner paper 1 is provided with first outer layer paper 2, the bottom between first outer layer paper 2 and the top of inner liner paper 1 is provided with corrugated core body 3, the top of corrugated core body 3 is equidistantly provided with first elastic column 4, the bottom of corrugated core body 3 is equidistantly provided with second elastic column 5, the outside of first outer layer paper 2 and inner liner paper 1 is provided with second outer layer paper 11, the outside of first outer layer paper 2, inner liner paper 1 and second outer layer paper 11 is respectively provided with heat preservation layer 6, reinforcing layer 7, elastic layer 8, waterproof layer 9 and wear-resistant layer 10;

[0025] Wear-resistant layer 10 is arranged at the bottom of waterproof layer 9, waterproof layer 9 is arranged at the bottom of elastic layer 8, elastic layer 8 is arranged at the bottom of reinforcing layer 7, reinforcing layer 7 is arranged at the bottom of heat preservation layer 6, and heat preservation layer 6 is arranged at the bottom of first outer layer paper 2.

[0026] In the above technical solution, considering that the current corrugated paper will generally absorb moisture and become soft in seasons with high air humidity, which will cause the physical properties of corrugated paper boxes to decrease sharply, for example, the paper strength will decrease by more than 40%, leading to problems such as inconvenience in carrying corrugated paper boxes and damage to products in the boxes, in order to solve such problems, the specific operation is as follows: by coating heat preservation layer 6, reinforcing layer 7, elastic layer 8, waterproof layer 9 and wear-resistant layer 10 on the surface of the corrugated paper, heat preservation layer 6 is composed of polyurethane (PU) foam, polyurethane foam has low thermal conductivity, which can effectively reduce the conduction of heat and maintain the internal temperature, and is suitable for heat preservation requirements, reinforcing layer 7 is composed of carbon fiber, carbon fiber has excellent strength, which enhances the overall structural strength of the corrugated paper, elastic layer 8 is composed of synthetic rubber, which provides excellent elasticity, can absorb impact and reduce the risk of damage, waterproof layer 9 is composed of polyurethane coating, which can resist moisture and chemicals, prolonging the service life of the packaging material, and wear-resistant layer 10 is composed of polypropylene coating, which is resistant to wear and tear, can effectively resist friction and scratching, and ensures the appearance and integrity of the package.

[0027] Referring to Figures 1 to 4 In a preferred embodiment, the thickness between heat preservation layer 6, reinforcing layer 7, elastic layer 8, waterproof layer 9 and wear-resistant layer 10 is about 1mm-3mm.

[0028] Referring to Figures 1 to 4 In a preferred embodiment, the contact surfaces between inner liner paper 1, first outer layer paper 2, corrugated core body 3 and second outer layer paper 11 are bonded by glue, corrugated core body 3, first elastic column 4 and second elastic column 5 are bonded by glue, and corrugated core body 3 is in a wave shape; the wave shape structure of corrugated core body 3 and the cooperation of elastic columns can effectively disperse the external applied pressure, enhance the overall strength and pressure resistance of the carton, and prevent deformation or damage during transportation and stacking.

[0029] Working principle: when in use, by adding multiple functional layers on the surface of the corrugated paper, including the heat preservation layer 6, the reinforcing layer 7, the elastic layer 8, the waterproof layer 9 and the wear-resistant layer 10, the performance and application range can be improved, the heat preservation layer 6 adopts polyurethane (PU) foam material, which has excellent low thermal conductivity, which helps to effectively isolate heat conduction, so as to maintain the temperature inside the package, which is very suitable for heat preservation demand, the reinforcing layer 7 is composed of carbon fiber, the carbon fiber has excellent strength and light weight characteristics, which strengthens the overall structural strength of the corrugated paper, improves its compression and bending resistance, the elastic layer 8 is made of synthetic rubber, which provides good elasticity, which makes the package can effectively absorb external impact, reduce the risk of damage to the internal goods, the waterproof layer 9 adopts polyurethane coating, which can effectively resist the invasion of moisture and chemicals, thereby prolonging the service life of the packaging material and ensuring its safety in different environments, the wear-resistant layer 10 is made of polypropylene paint, which has excellent wear resistance and can effectively resist friction and scratching, ensuring the appearance and overall integrity of the package and improving its market competitiveness, the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical scheme and the utility model concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. A composite moisture-proof corrugated paper, comprising an inner lining paper (1), characterized in that, The top of the inner lining paper (1) is provided with a first outer layer paper (2), and a corrugated core body (3) is provided between the bottom of the first outer layer paper (2) and the top of the inner lining paper (1). The top of the corrugated core body (3) is provided with first elastic columns (4) at equal intervals, and the bottom of the corrugated core body (3) is provided with second elastic columns (5) at equal intervals. The outer sides of the first outer layer paper (2) and the inner lining paper (1) are provided with a second outer layer paper (11). The outer sides of the first outer layer paper (2), the inner lining paper (1) and the second outer layer paper (11) are respectively provided with a heat insulation layer (6), a reinforcing layer (7), an elastic layer (8), a waterproof layer (9) and a wear-resistant layer (10).

2. The composite moisture-proof corrugated paper according to claim 1, characterized in that, The wear-resistant layer (10) is disposed at the bottom of the waterproof layer (9), the waterproof layer (9) is disposed at the bottom of the elastic layer (8), the elastic layer (8) is disposed at the bottom of the reinforcing layer (7), the reinforcing layer (7) is disposed at the bottom of the heat insulation layer (6), and the heat insulation layer (6) is disposed at the bottom of the first outer paper (2).

3. The composite moisture-proof corrugated paper according to claim 1, characterized in that, The thickness of the insulation layer (6), reinforcing layer (7), elastic layer (8), waterproof layer (9) and wear-resistant layer (10) is approximately 1mm-3mm.

4. The composite moisture-proof corrugated paper according to claim 1, characterized in that, The contact surfaces between the inner lining paper (1), the first outer layer paper (2), the corrugated core body (3), and the second outer layer paper (11) are bonded together with adhesive.

5. The composite moisture-proof corrugated paper according to claim 1, characterized in that, The corrugated core body (3), the first elastic column (4), and the second elastic column (5) are bonded together with adhesive.

6. The composite moisture-proof corrugated paper according to claim 1, characterized in that, The corrugated core body (3) is wavy.

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