High-strength damp-proof composite packaging paperboard and paperboard box applying same

By introducing high-strength moisture-proof composite packaging paperboard into corrugated paperboard and adopting a double-layer waterproof coating and multi-layer adhesive layer design, the problem of poor waterproof and moisture resistance of corrugated boxes is solved, and the high strength and durability of the cardboard boxes are achieved, making them suitable for cold chain and warehousing and transportation.

CN223444239UActive Publication Date: 2025-10-17YIXING MINGYI PACKAGING CO LTD
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Patent Information

Application Number
CN202422369945.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-10-17
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

Existing corrugated boxes have poor waterproof and moisture resistance, which makes it easy for goods to deteriorate, rot or be damaged in humid environments, especially affecting the safety and quality of goods in cold chain and warehousing transportation.

Method used

High-strength moisture-proof composite packaging cardboard is used, including an outer paper layer, a transition adhesive layer, an outer waterproof coating, an inner waterproof coating and a multi-layer adhesive layer design. Combined with the cardboard convex part and the open cardboard cover, a double-layer waterproof and moisture-proof structure is formed. Alkaline silica gel and molten paraffin are used to improve the waterproof performance, and silicone glue and polyurethane glue are used to improve the adhesion.

Benefits of technology

It achieves high-strength moisture-proof performance of the cardboard box, prevents damage to the packaging cardboard, protects the safety of goods, extends the service life, and is suitable for cold chain and warehousing transportation.

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Abstract

The utility model belongs to the technical field of packaging box application, and particularly discloses a high-strength damp-proof composite packaging paperboard and a paperboard box applying the same, which comprise an outer paper layer, a transition adhesive layer, a transition outer paper layer, an outer waterproof coating, an outer adhesive layer, a plurality of open paperboard sleeves, an inner paper layer, an inner waterproof coating, an inner adhesive layer and a plurality of paperboard convex parts. The double-layer waterproof packaging paperboard has the advantages that the outer waterproof coating and the inner waterproof coating achieve double-layer waterproof and damp-proof effects, and the situation that the packaging paperboard is damaged, and the safety of packaged goods is affected is prevented; the transition adhesive layer, the outer adhesive layer and the inner adhesive layer have good waterproof and anti-stripping performance and the like, and the durability of the manufactured carton is improved; and 3, the double-layer outer paper layer, the transition outer paper layer and the inner paper layer are combined with the paperboard convex part and the open paperboard sleeve, so that the strength of the manufactured packaging paperboard is improved, and the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the packaging box application technical field, specifically relates to high strength moistureproof composite packing paper board and paperboard box applying it. BACKGROUND

[0002] Corrugated paper board has the advantages of low cost, light weight, easy processing, high strength, excellent printing adaptability, convenient storage and transportation, etc., and can be used for packaging food or digital products, is relatively environment-friendly and widely used.

[0003] The poor waterproof and moistureproof performance of corrugated paper boxes has always been a defect criticized by the market. In recent years, the cold chain packaging market scale of ice fresh meat, fruits and vegetables, medicine and the like is getting larger and larger, and the packaging industry urgently needs to fundamentally solve the problem of easy collapse of the paper box after being damp.

[0004] Especially in the logistics industry, the role of the packaging box is not only to protect the goods from the influence of the external environment, but also to ensure the safety and integrity of the goods, and waterproof and moistureproof is one of the basic functions that the packaging box must have.

[0005] When the goods are exposed to a humid environment, moisture may penetrate into the packaging box, causing the goods to deteriorate, rot or even be damaged. This is particularly important for food, medicine and other moisture-sensitive goods. Because a humid environment can damage their quality and safety, waterproof and moistureproof can also avoid contact between the goods and the packaging box, reduce friction and extrusion, and protect the integrity of the goods, so waterproof and moistureproof of the packaging box is very important for the goods during transportation.

[0006] The humidity in the storage environment can also cause the accumulation of moisture in the packaging box, affecting the quality of the goods, especially for goods stored for a long time, such as electronic products, textiles, etc. Because once damp, it may cause corrosion, mold, deformation and other problems, causing huge economic losses, so waterproof and moistureproof of the packaging box is also crucial for the storage environment.

[0007] Based on the above problems, the utility model provides high strength moistureproof composite packing paper board and paperboard box applying it. UTILITY MODEL CONTENT

[0008] The utility model aims at providing high strength moistureproof composite packing paper board and paperboard box applying it, which solves the problem of poor waterproof and moistureproof performance of the packaging paper board when it is made into a paperboard box and used, has good waterproof and moistureproof performance, is high in strength and durable, and is suitable for packaging and transportation of goods in cold chain or storage.

[0009] Technical solution: The high-strength moisture-proof composite packaging paperboard provided by the first aspect of the utility model has the advantages that: 1. The outer waterproof coating and the inner waterproof coating realize double-layer waterproof and moisture-proof, prevent the packaging paperboard from being damaged, and affect the safety of the packaged goods; 2. The transition adhesive layer, the outer adhesive layer and the inner adhesive layer have good waterproof and anti-peeling properties, and improve the durability of the paperboard box; 3. The double-layer outer paper layer, the transition outer paper layer and the inner paper layer in combination with the paperboard convex part and the open paperboard sleeve improve the strength of the packaging paperboard and prolong the service life.

[0010] The paperboard convex part and the open paperboard sleeve are respectively provided in the circular structure or the polygonal structure.

[0011] The outer waterproof coating and the inner waterproof coating include but are not limited to alkaline silica gel and molten paraffin.

[0012] The transition adhesive layer, the outer adhesive layer and the inner adhesive layer include but are not limited to silicone glue and polyurethane glue.

[0013] The second aspect of the utility model provides a paperboard box, which is made of the high-strength moisture-proof composite packaging paperboard, has the high-strength moisture-proof function and is suitable for cold chain packaging.

[0014] Compared with the prior art, the high-strength moisture-proof composite packaging paperboard and the paperboard box using the same have the advantages that: 1. The outer waterproof coating and the inner waterproof coating realize double-layer waterproof and moisture-proof, prevent the packaging paperboard from being damaged, and affect the safety of the packaged goods; 2. The transition adhesive layer, the outer adhesive layer and the inner adhesive layer have good waterproof and anti-peeling properties, and improve the durability of the paperboard box; 3. The double-layer outer paper layer, the transition outer paper layer and the inner paper layer in combination with the paperboard convex part and the open paperboard sleeve improve the strength of the packaging paperboard and prolong the service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0016] Figure 1 It is a front view structural schematic diagram of the high-strength moisture-proof composite packaging paperboard of the utility model;

[0017] Figure 2It is the main view separated structure schematic diagram of high-strength moisture-proof composite packaging paperboard of the utility model;

[0018] Wherein, the drawing serial number is as follows: 100-outer paper layer, 101-transition adhesive layer, 102-transition outer paper layer, 103-outer waterproof coating, 104-outer adhesive layer, 105-open paperboard sleeve, 106-inner paper layer, 107-inner waterproof coating, 108-inner adhesive layer, 109-paperboard convex part. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by the person skilled in the art without making creative labor based on the embodiments in the utility model belong to the range protected by the utility model.

[0020] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "intermediate position", "interior", "top end", "bottom end" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, can be fixed connection, or detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] EMBODIMENT

[0022] As Figure 1 and Figure 2 The high-strength moisture-proof composite packaging paperboard shown in the drawings, comprising outer paper layer 100, transition adhesive layer 101, transition outer paper layer 102, outer waterproof coating 103, outer adhesive layer 104, a plurality of open paperboard sleeves 105, inner paper layer 106, inner waterproof coating 107, inner adhesive layer 108 and a plurality of paperboard convex parts 109;

[0023] The outer paper layer 100 and the transition outer paper layer 102 are fixedly connected through the transition adhesive layer 101,

[0024] The outer waterproof coating 103 is evenly sprayed on the surface of the transition outer paper layer 102,

[0025] The outer adhesive layer 104 is evenly sprayed on the surface of the outer paper layer 100,

[0026] The plurality of open paper board sleeves 105 are evenly fixed on the surface of the outer paper layer 100 through the outer adhesive layer 104,

[0027] The inner waterproof coating 107 and the inner adhesive layer 108 are respectively evenly sprayed on the surface of the inner paper layer 106, and the plurality of paper board protrusions 109 are evenly fixed on the surface of the inner paper layer 106 through the inner adhesive layer 108.

[0028] In addition, preferably, the paper board protrusions 109 and the open paper board sleeves 105 are respectively provided in circular structures or polygonal structures matched with each other;

[0029] The paper board protrusions 109 and the open paper board sleeves 105 are respectively made of cellulose, mechanical pulp and waste paper, and have high bending stiffness and are not easy to deform, so that the strength of the packaging paper board is enhanced.

[0030] In addition, preferably, the outer waterproof coating 103 and the inner waterproof coating 107 include but are not limited to alkaline silica gel and molten paraffin, have good hydrophobicity, and play a role in waterproofing and moisture-proofing.

[0031] In addition, preferably, the transition adhesive layer 101, the outer adhesive layer 104 and the inner adhesive layer 108 include but are not limited to silicone glue and polyurethane glue, have good waterproofness, good adhesion and weather resistance, and the like, and ensure normal use of the paper box.

[0032] The paper box is made of the high-strength moisture-proof composite packaging paper board, has a high-strength moisture-proof function, is suitable for cold chain packaging and storage, and is mainly suitable for frozen goods packaging applications.

[0033] The working principle or structural principle of the high-strength moisture-proof composite packaging paper board of the structure is as follows:

[0034] (1) The outer waterproof coating 103 and the transition adhesive layer 101 are respectively sprayed on both surfaces of the transition outer paper layer 102, the outer paper layer 100 is attached to the transition adhesive layer 101, the outer adhesive layer 104 is sprayed on the surface of the outer paper layer 100, and the plurality of open paper board sleeves 105 are fixed in a linear type on the surface of the outer paper layer 100 by the outer adhesive layer 104;

[0035] (2) The inner waterproof coating 107 and the inner adhesive layer 108 are respectively sprayed on the surface of the inner paper layer 106, and the plurality of inner adhesive layers 108 are fixed in a linear type on the surface of the inner paper layer 106 by the paper board protrusions 109;

[0036] (3) Paperboard protrusions 109 are respectively clamped into open paperboard sleeves 105, at this time, one end face of paperboard protrusions 109 is fixedly connected with outer paper layer 100 through outer adhesive layer 104.

[0037] It is to be understood that some of the terms used herein such as the terms "comprise", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0038] It is apparent to a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. High-strength moisture-proof composite packaging paperboard, characterized by: The invention comprises an outer paper layer (100), a transition adhesive layer (101), a transition outer paper layer (102), an outer waterproof coating layer (103), an outer adhesive layer (104), a plurality of open cardboard sleeves (105), an inner paper layer (106), an inner waterproof coating layer (107), an inner adhesive layer (108) and a plurality of cardboard protrusions (109); The outer paper layer (100) and the transition outer paper layer (102) are fixedly connected via a transition adhesive layer (101). The outer waterproof coating (103) is evenly sprayed on the surface of the transition outer paper layer (102). The outer adhesive layer (104) is evenly sprayed on the surface of the outer paper layer (100). The plurality of open cardboard sleeves (105) are evenly fixed to the surface of the outer paper layer (100) through the outer adhesive layer (104). The inner waterproof coating (107) and the inner adhesive layer (108) are respectively and evenly sprayed on the surface of the inner paper layer (106). The plurality of paperboard protrusions (109) are evenly fixed to the surface of the inner paper layer (106) through the inner adhesive layer (108).

2. The high-strength moisture-proof composite packaging paperboard according to claim 1, characterized in that: The cardboard protrusion (109) and the open cardboard sleeve (105) are respectively configured as a circular structure or a polygonal structure for use in conjunction with each other.

3. The high-strength moisture-proof composite packaging paperboard according to claim 1, characterized in that: The outer waterproof coating (103) and the inner waterproof coating (107) include but are not limited to alkaline silica gel and molten paraffin.

4. The high-strength moisture-proof composite packaging paperboard according to claim 1, characterized in that: The transition adhesive layer (101), the outer adhesive layer (104), and the inner adhesive layer (108) include but are not limited to silicone adhesive and polyurethane adhesive.

5. Cardboard box, characterized by: The high-strength moisture-proof composite packaging paperboard according to any one of claims 1 to 4 is made, has high-strength moisture-proof function, and is suitable for cold chain packaging.