Composite packaging kraft paper

Abstract

The utility model relates to the field of composite packaging kraft paper, and discloses composite packaging kraft paper which comprises an inner side antibacterial layer, the upper side of the inner side antibacterial layer is fixedly connected with upper side kraft paper, the upper side of the upper side kraft paper is fixedly connected with an upper side antibacterial layer, and the top end of the upper side antibacterial layer is fixedly connected with a waterproof coating. The bottom end of the inner side antibacterial layer is fixedly connected with the lower side kraft paper, the bottom end of the lower side kraft paper is fixedly connected with the lower side antibacterial layer, the bottom end of the lower side antibacterial layer is fixedly connected with the lower side nanometer antifouling layer, and the interior of the upper side kraft paper is connected with the interior of the lower side kraft paper through a plurality of reinforcing pull rope assemblies. The kraft paper is limited inside through multiple antibiosis, it is guaranteed that no bacteria are generated on the surface of the kraft paper, sanitation and safety of the kraft paper are guaranteed, durability of the paper is improved, the packaging capacity of the kraft paper is guaranteed, and the kraft paper packaging box can be suitable for packaging objects with different weights.

Description

Technical Field

[0001] The utility model relates to the field of composite packaging kraft paper, in particular to a composite packaging kraft paper. Background Art

[0002] Kraft paper is a paper material made from cowhide or other animal leather. Its production process usually includes soaking the animal leather in an alkaline solution to remove hair and fat, and then degreasing and dehydrating the leather before pressing it into paper. Kraft paper is widely used in various fields due to its tough texture, wear resistance and strong water resistance.

[0003] After searching, the double-layer waterproof kraft paper for packaging bags with announcement number CN217553377U includes a first kraft paper layer and a second kraft paper layer, the first kraft paper layer and the second kraft paper layer are connected together by an adhesive layer, the upper surface of the first kraft paper layer is provided with a first antibacterial layer, the upper surface of the first antibacterial layer is provided with a waterproof layer, the lower surface of the second kraft paper layer is provided with a second antibacterial layer, the adhesive layer is inorganic glue or water-based composite glue, the first antibacterial layer and the second antibacterial layer are both nano antibacterial films, the thickness of the first antibacterial layer and the second antibacterial layer is 10-30μm, and the waterproof layer is a film made of any one of PE material, PP material, PVC material, PC material, PET material or thermoplastic elastomer. The double-layer waterproof kraft paper for packaging bags adopts double-layer kraft paper, has high structural strength, and good waterproof and antibacterial effects.

[0004] Based on the above patent, when the kraft paper mentioned in its background technology is used in the field of medical packaging, higher requirements are often placed on its waterproofness and antibacterial properties. However, the kraft paper itself has poor waterproofness and antibacterial effects and cannot be directly used as a medical packaging bag material. In response to this technical problem, this application proposes a composite packaging kraft paper. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a composite packaging kraft paper with antibacterial and tensile strength.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A composite packaging kraft paper comprises an inner antibacterial layer, wherein the upper side of the inner antibacterial layer is fixedly connected to an upper kraft paper, the upper side of the upper kraft paper is fixedly connected to the upper antibacterial layer, the top of the upper antibacterial layer is fixedly connected to a waterproof coating, the bottom end of the inner antibacterial layer is fixedly connected to a lower kraft paper, the bottom end of the lower kraft paper is fixedly connected to the lower antibacterial layer, the bottom end of the lower antibacterial layer is fixedly connected to a lower nano antifouling layer, and the interior of the upper kraft paper is connected to the interior of the lower kraft paper via a plurality of reinforcing drawstring assemblies.

[0008] Furthermore, the reinforcing draw rope assembly includes a plurality of upper fixing plates located at the top of the upper kraft paper, the bottom ends of the upper fixing plates are fixedly connected to fixing draw ropes, and the bottom ends of the fixing draw ropes are fixedly connected to lower fixing plates.

[0009] Furthermore, the outside of the fixed drawstring passes through the inside of the inner antibacterial layer and the inside of the lower kraft paper respectively.

[0010] Furthermore, the outer parts of the lower fixing sheets are respectively fixedly connected to the lower side surfaces of the lower kraft paper.

[0011] Furthermore, the upper antibacterial layer and the lower antibacterial layer are silver ion antibacterial layers.

[0012] Furthermore, the inner antibacterial layer is a propylthionine layer.

[0013] Furthermore, the waterproof coating is a silicone coating.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the antibacterial treatment of kraft paper is completed through the inner antibacterial layer, the upper kraft paper, the upper antibacterial layer, the lower kraft paper and the lower antibacterial layer. The multiple antibacterial treatments confine the kraft paper inside, ensuring that no bacteria are produced on the surface of the kraft paper, thereby ensuring the hygiene and safety of the kraft paper.

[0016] 2. In the utility model, the lower kraft paper, the inner antibacterial layer, the upper kraft paper, the upper fixing sheet, the fixing rope and the lower fixing sheet are used to resist the pulling of the paper, thereby improving the durability of the paper and ensuring the packaging capacity of the packaging kraft paper itself, and the paper can be applied to the packaging of articles of different weights. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A layered diagram of a composite packaging kraft paper proposed by the utility model;

[0018] Figure 2 This is a main diagram of a composite packaging kraft paper proposed by the utility model;

[0019] Figure 3This is an internal diagram of the upper side kraft paper of a composite packaging kraft paper proposed by the utility model.

[0020] Legend:

[0021] 1. Inner antibacterial layer; 2. Upper kraft paper; 3. Upper antibacterial layer; 4. Waterproof coating; 5. Lower antibacterial layer; 6. Lower kraft paper; 7. Lower nano antifouling layer; 8. Fixed drawstring; 9. Lower fixing plate; 10. Upper fixing plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1 and Figure 2 , the utility model provides an embodiment: a composite packaging kraft paper, comprising an inner antibacterial layer 1, an upper kraft paper 2 is fixedly connected to the upper side of the inner antibacterial layer 1, an upper antibacterial layer 3 is fixedly connected to the upper side of the upper kraft paper 2, a waterproof coating 4 is fixedly connected to the top of the upper antibacterial layer 3, a lower kraft paper 6 is fixedly connected to the bottom end of the inner antibacterial layer 1, a lower antibacterial layer 5 is fixedly connected to the bottom end of the lower kraft paper 6, a lower nano antifouling layer 7 is fixedly connected to the bottom end of the lower antibacterial layer 5, the interior of the upper kraft paper 2 is connected to the interior of the lower kraft paper 6 through a plurality of reinforcing rope assemblies, the upper antibacterial layer 3 and the lower antibacterial layer 5 are silver ion antibacterial layers, the inner antibacterial layer 1 is a propylthionine layer, and the waterproof coating 4 is a silicone coating;

[0024] The upper antibacterial layer 3 performs antibacterial treatment on the upper outer side of the upper kraft paper 2 to prevent bacteria from directly escaping to the outside through the waterproof coating 4 and causing changes in the external environment, while the lower antibacterial layer 5 performs antibacterial treatment on the lower side of the lower kraft paper 6 to prevent bacteria from passing through the lower nano anti-fouling layer 7 and directly contacting the surface of the wrapped items, and the inner antibacterial layer 1 performs antibacterial treatment on the inner sides of the upper kraft paper 2 and the lower kraft paper 6 at the same time to prevent the accumulation of bacteria inside the kraft paper, and the waterproof coating 4 blocks the external water flow to provide the paper with good water resistance, and the molecules of the lower nano anti-fouling layer 7 are extremely tight, and dust and stains are difficult to penetrate into them, making cleaning more convenient, and multiple antibacterial agents confine the kraft paper to ensure that no bacteria are produced on the surface of the kraft paper, thereby ensuring the hygiene and safety of the kraft paper.

[0025] Reference Figure 1 and Figure 3The reinforcing drawstring assembly includes a plurality of upper fixing sheets 10 located at the top of the upper kraft paper 2, the bottom ends of the upper fixing sheets 10 are fixedly connected with fixing drawstrings 8, the bottom ends of the fixing drawstrings 8 are fixedly connected with lower fixing sheets 9, the outsides of the fixing drawstrings 8 respectively penetrate the insides of the inner antibacterial layer 1 and the lower kraft paper 6, and the outsides of the lower fixing sheets 9 are respectively fixedly connected to the lower side surfaces of the lower kraft paper 6;

[0026] The double kraft paper further improves the tearing resistance of the paper through the upper kraft paper 2 and the lower kraft paper 6, and the upper fixing plate 10, the fixed pull rope 8, and the lower fixing plate 9 fix the kraft paper to further improve the stable compression resistance of the kraft paper, improve the durability of the paper, ensure the packaging capacity of the packaging kraft paper itself, and can be used for packaging items of different weights.

[0027] Working principle: the upper antibacterial layer 3 performs antibacterial treatment on the upper outer side of the upper kraft paper 2 to prevent bacteria from directly escaping to the outside through the waterproof coating 4 and causing changes in the external environment, while the lower antibacterial layer 5 performs antibacterial treatment on the lower side of the lower kraft paper 6 to prevent bacteria from passing through the lower nano anti-fouling layer 7 and directly contacting the surface of the wrapped items, and the inner antibacterial layer 1 performs antibacterial treatment on the inner sides of the upper kraft paper 2 and the lower kraft paper 6 at the same time to prevent the accumulation of bacteria inside the kraft paper, and the waterproof coating 4 blocks the external water flow to provide good water resistance for the paper, and the molecules of the lower nano anti-fouling layer 7 are extremely tight, and dust and stains are difficult to insert into them, making cleaning more convenient. Through the upper kraft paper 2 and the lower kraft paper 6, the double kraft paper further improves the paper's anti-pulling ability, and the upper fixing plate 10, the fixed pull rope 8, and the lower fixing plate 9 fix the kraft paper to further improve the kraft paper's stable pressure resistance.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite packaging kraft paper, comprising an inner antibacterial layer (1), characterized in that: The upper side of the inner antibacterial layer (1) is fixedly connected to an upper kraft paper (2), the upper side of the upper kraft paper (2) is fixedly connected to an upper antibacterial layer (3), the top of the upper antibacterial layer (3) is fixedly connected to a waterproof coating (4), the bottom end of the inner antibacterial layer (1) is fixedly connected to a lower kraft paper (6), the bottom end of the lower kraft paper (6) is fixedly connected to a lower antibacterial layer (5), the bottom end of the lower antibacterial layer (5) is fixedly connected to a lower nano antifouling layer (7), and the interior of the upper kraft paper (2) is connected to the interior of the lower kraft paper (6) via a plurality of reinforcing rope assemblies.

2. The composite packaging kraft paper according to claim 1, characterized in that: The reinforcing draw rope assembly comprises a plurality of upper fixing plates (10) located at the top of the upper kraft paper (2), the bottom ends of the upper fixing plates (10) are fixedly connected to fixing draw ropes (8), and the bottom ends of the fixing draw ropes (8) are fixedly connected to lower fixing plates (9).

3. The composite packaging kraft paper according to claim 2, characterized in that: The outside of the fixed drawstring (8) passes through the inside of the inner antibacterial layer (1) and the lower kraft paper (6) respectively.

4. The composite packaging kraft paper according to claim 2, characterized in that: The exterior of the lower fixing sheet (9) is respectively fixedly connected to the lower side of the lower kraft paper (6).

5. The composite packaging kraft paper according to claim 1, characterized in that: The upper antibacterial layer (3) and the lower antibacterial layer (5) are silver ion antibacterial layers.

6. The composite packaging kraft paper according to claim 1, characterized in that: The inner antibacterial layer (1) is a propylthionine layer.

7. The composite packaging kraft paper according to claim 1, characterized in that: The waterproof coating (4) is a silicone coating.

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