Moistureproof breathable high-strength kraft paper
Through multi-layer structural design and material selection, the problems of insufficient moisture resistance, breathability, tensile and compressive strength of kraft paper have been solved, resulting in high-strength moisture-proof and breathable kraft paper, which avoids product spoilage and damage.
Patent Information
- Application Number
- CN202423302133.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing kraft paper has poor moisture-proof and breathability properties when used for a long time, which leads to the spoilage of packaged products. It also has insufficient tensile and compressive strength, resulting in product damage and property loss.
It adopts a multi-layer structure design, including a first base layer, a compression layer and a tensile layer. It uses glass fiber triangular corrugated layers, mesh reinforcing ribs and semi-circular corrugated compression plates, combined with leather and cellulose materials and polyethylene coating to form a moisture-proof, breathable, high-strength kraft paper.
It improves the moisture-proof, breathable, tensile, and compressive properties of kraft paper, effectively protecting the internal products from damage and enhancing the overall strength and durability of the packaging.
Smart Images

Figure CN223780653U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to kraft paper technical field, especially a kind of moisture-proof and ventilative high-strength kraft paper. BACKGROUND
[0002] Kraft paper is tough and water-resistant packaging paper, brownish yellow, widely used, often used to make paper bag, envelope, work book, record sleeve, file and sandpaper, the quantitative range is 80 gram per square meter to 120 gram per square meter, there are reel paper and flat paper, and there are single-sided light, double-sided light and stripe distinction.Main quality requirements are flexible and strong, high burst resistance, can withstand large tension and pressure without breaking.Kraft paper has high tension, single light, double light, stripe, no stripe, etc.It is mainly used for packaging paper, envelope, paper bag, etc.And printing press cylinder packing, etc.
[0003] Most of the kraft paper on the market, when used for a long time, the moisture-proof effect and the ventilation effect are poor, thereby causing the products packaged by the kraft paper to rot, and the existing kraft paper has low tensile resistance and compression resistance, thereby causing the products packaged inside the kraft paper to be damaged, thereby causing certain property loss. SUMMARY
[0004] This section aims to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above or existing problems in the prior art, most of the kraft paper on the market, when used for a long time, the moisture-proof effect and the ventilation effect are poor, thereby causing the products packaged by the kraft paper to rot, and the existing kraft paper has low tensile resistance and compression resistance, thereby causing the products packaged inside the kraft paper to be damaged, thereby causing certain property loss, therefore the present utility model is proposed.
[0006] Therefore, the purpose of the present utility model is to provide a moisture-proof and ventilative high-strength kraft paper.
[0007] To solve the above technical problems, the utility model provides the following technical scheme: a moisture-proof and ventilative high-strength kraft paper, comprising a kraft paper structure, which comprises a first base layer, the top end of the first base layer is provided with a first compression-resistant layer, and the top end of the first compression-resistant layer is provided with a tensile layer, the top end of the tensile layer is provided with a second compression-resistant layer, and the top end of the second compression-resistant layer is provided with a second base layer, the inside of the second base layer is provided with a ventilation hole penetrating through the second compression-resistant layer, the tensile layer, the first compression-resistant layer and the first base layer.
[0008] As a preferred scheme of the utility model, the first compression-resistant layer comprises a triangular corrugated layer, the triangular corrugated layer is arranged and installed in the interior of the first compression-resistant layer in a transverse staggered manner, and the material of the triangular corrugated layer is glass fiber.
[0009] Through the above technical scheme, the material of the triangular corrugated layer is glass fiber, so that the strength effect of the kraft paper structure is better.
[0010] As a preferred scheme of the utility model, the first compression-resistant layer comprises a triangular corrugated layer, the triangular corruggated layer is arranged and installed in the interior of the first compression-resistant layer in a transverse staggered manner, and the material of the triangular corrugated layer is glass fiber.
[0011] Through the above technical scheme, the material of the triangular corrugated layer is glass fiber, so that the strength effect of the kraft paper structure is better.
[0012] As a preferred scheme of the utility model, the first compression-resistant layer comprises a triangular corrugated layer, the triangular corruggated layer is arranged and installed in the interior of the first compression-resistant layer in a transverse staggered manner, and the material of the triangular corrugated layer is glass fiber.
[0013] Through the above technical scheme, the material of the triangular corrugated layer is glass fiber, so that the strength effect of the kraft paper structure is better.
[0014] As a preferred scheme of the utility model, the first compression-resistant layer comprises a triangular corrugated layer, the triangular corruggated layer is arranged and installed in the interior of the first compression-resistant layer in a transverse staggered manner, and the material of the triangular corrugated layer is glass fiber.
[0015] Through the above technical scheme, the material of the triangular corrugated layer is glass fiber, so that the strength effect of the kraft paper structure is better.
[0016] As a preferred scheme of the utility model, the first compression-resistant layer comprises a triangular corrugated layer, the triangular corruggated layer is arranged and installed in the interior of the first compression-resistant layer in a transverse staggered manner, and the material of the triangular corrugated layer is glass fiber.
[0017] Through the above technical scheme, the material of the triangular corrugated layer is glass fiber, so that the strength effect of the kraft paper structure is better.
[0018] As a preferred scheme of the utility model, the first compression-resistant layer comprises a triangular corrugated layer, the triangular corruggated layer is arranged and installed in the interior of the first compression-resistant layer in a transverse staggered manner, and the material of the triangular corrugated layer is glass fiber.
[0019] By adopting the technical scheme, the compression-resistant plate is internally filled with elastic fibers, so that the compression-resistant plate has good elastic effect.
[0020] The moisture-proof and breathable high-strength kraft paper has the following beneficial effects:
[0021] The moisture-proof and breathable high-strength kraft paper has the following beneficial effects:
[0022] The moisture-proof and breathable high-strength kraft paper has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only some embodiments of the utility model, for the person skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Wherein:
[0024] Fig. 1 It is a kind of moisture-proof and breathable high-strength kraft paper's main view structural schematic diagram;
[0025] Fig. 2 It is a kind of moisture-proof and breathable high-strength kraft paper's main view structural schematic diagram;
[0026] Fig. 3 It is a kind of moisture-proof and breathable high-strength kraft paper's second compression-resistant layer structural schematic diagram;
[0027] Fig. 4 It is a kind of moisture-proof and breathable high-strength kraft paper's first compression-resistant layer structural schematic diagram.
[0028] In the drawings, the component list represented by each sign is as follows:
[0029] 1, Kraft paper structure; 101, first base layer; 102, first compression-resistant layer; 1021, triangular corrugated layer; 103, tensile layer; 1031, reinforcing rib; 104, second compression-resistant layer; 1041, compression-resistant plate; 105, second base layer; 106, air hole. DETAILED DESCRIPTION
[0030] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0031] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways that are different from those described herein without departing from the spirit and scope of the present application, and those skilled in the art can make similar extensions without departing from the connotation of the present application, so the present application is not limited to the specific embodiments disclosed below.
[0032] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in this specification does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.
[0033] Embodiment one: reference Figs. 1-4 For the first embodiment of the present application, the embodiment provides a moisture-proof, breathable and high-strength kraft paper, which can realize the poor moisture-proof effect and air permeability of most kraft papers on the market during long-term use, thereby causing the decay of the products packaged by the kraft paper, and the low tensile resistance and compression resistance of the existing kraft paper, thereby causing the damage of the products packaged inside the kraft paper, thereby causing certain property loss. The problem includes a kraft paper structure 1, which includes a first base layer 101, a first compression-resistant layer 102 arranged at the top of the first base layer 101, and a second base layer 105 arranged at the top of the second compression-resistant layer 104. The second base layer 105 is internally provided with an air hole 106 penetrating through the second compression-resistant layer 104, the tensile layer 103, the first compression-resistant layer 102 and the first base layer 101. The material of the first base layer 101 is a mixture of leather and cellulose material. The leather and cellulose material have a certain moisture-proof effect.
[0034] The surface of the second base layer 105 is sprayed with a polyethylene coating, and the thickness of the second base layer 105 is 0.3-0.5cm. The surface of the second base layer 105 is sprayed with a polyethylene coating, so that the corrosion resistance of the kraft paper structure 1 is better.
[0035] Specific working principle is, first through the first base layer 101 material is leather and cellulose material mixed ratio, leather and cellulose material has certain moisture-proof effect, so as to make kraft paper structure 1 has good moisture-proof effect, through the air hole 106 penetrates the second compression layer 104, tensile layer 103, first compression layer 102 and first base layer 101, so as to make kraft paper structure 1 has good ventilation effect through the air hole 106, so as to avoid the product packaged by kraft paper structure 1 rot.
[0036] Embodiment two: refer to Figs. 1-4 , the first embodiment of the utility model, the embodiment provides a kind of moisture-proof ventilation high-strength kraft paper, can realize the poor moisture-proof effect and ventilation effect of most kraft paper on current market when long time is used, thereby causing the product packaged by kraft paper to rot, while the existing kraft paper, tensile degree and compression degree are low, thereby causing the product packaged inside kraft paper to break, thereby causing certain property loss problem, the top of first compression layer 102 is provided with tensile layer 103, and the top of tensile layer 103 is provided with second compression layer 104.
[0037] First compression layer 102 includes triangular corrugated layer 1021, and triangular corrugated layer 1021 is installed in the inside of first compression layer 102 and is transversely staggered, and the material of triangular corrugated layer 1021 is glass fiber, so that the strength effect of kraft paper structure 1 is better by the material of triangular corrugated layer 1021 being glass fiber.
[0038] Tensile layer 103 includes reinforcing rib 1031, and reinforcing rib 1031 is installed in the inside of tensile layer 103 and is transversely arranged, and reinforcing rib 1031 is net corrugated layer, so that the tensile effect of kraft paper structure 1 is better by reinforcing rib 1031 being net corrugated layer.
[0039] Second compression layer 104 includes compression plate 1041, and compression plate 1041 is installed in the inside of second compression layer 104 and is transversely arranged, and compression plate 1041 is semicircular corrugated layer, and compression plate 1041 is symmetrically installed in the inside of second compression layer 104, so that the compression effect of kraft paper structure 1 is better by compression plate 1041 being semicircular corrugated layer and being symmetrically installed in the inside of second compression layer 104, and the inside of compression plate 1041 is filled with elastic fiber, so that compression plate 1041 has good elastic effect by the inside of compression plate 1041 being filled with elastic fiber.
[0040] Specific working principle is, first through the reinforcing rib 1031 for the net corrugated layer, thereby making the tensile effect of kraft paper structure 1 better, simultaneously through the compression plate 1041 for semicircular corrugated layer, and through the compression plate 1041 for the same structure has two groups, and through the triangular corrugated layer 1021 the material is glass fiber, thereby through the reinforcing rib 1031, compression plate 1041 and triangular corrugated layer 1021 make the compression effect of kraft paper structure 1 better, thereby making the strength of kraft paper structure 1 higher, can effectively protect the product inside kraft paper structure 1 not be damaged.
[0041] The above description of disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A moisture resistant, air permeable, high strength kraft paper, characterized by: Including, The kraft paper structure (1) comprises a first base layer (101), a first compression-resistant layer (102) arranged on the top of the first base layer (101), a tensile-resistant layer (103) arranged on the top of the first compression-resistant layer (102), a second compression-resistant layer (104) arranged on the top of the tensile-resistant layer (103), and a second base layer (105) arranged on the top of the second compression-resistant layer (104), wherein a gas-permeable hole (106) is arranged in the second base layer (105) and penetrates through the second compression-resistant layer (104), the tensile-resistant layer (103), the first compression-resistant layer (102) and the first base layer (101).
2. A moisture resistant, air permeable, high strength kraft paper according to claim 1, wherein: The first compression-resistant layer (102) comprises triangular corrugated layers (1021), and the triangular corrugated layers (1021) are arranged in a transverse staggered manner in the first compression-resistant layer (102); and the triangular corrugated layers (1021) are made of glass fiber.
3. The moisture resistant, air permeable, high strength kraft paper of claim 1, wherein: The tensile-resistant layer (103) comprises reinforcing ribs (1031), and the reinforcing ribs (1031) are arranged in a transverse direction in the tensile-resistant layer (103); and the reinforcing ribs (1031) are net-shaped corrugated layers.
4. The moisture resistant, air permeable, high strength kraft paper of claim 1, wherein: The second compression-resistant layer (104) comprises compression-resistant plates (1041), and the compression-resistant plates (1041) are arranged in a transverse direction in the second compression-resistant layer (104); and the compression-resistant plates (1041) are semicircular corrugated layers; the compression-resistant plates (1041) are arranged in a symmetrical manner in the second compression-resistant layer (104) and have two groups of the same structure.
5. A moisture resistant, air permeable, high strength kraft paper according to claim 1, wherein: The first base layer (101) is made of a mixture of leather and cellulose material.
6. A moisture resistant, air permeable, high strength kraft paper according to claim 1, wherein: The second base layer (105) is coated with a polyethylene coating on the surface, and the thickness of the second base layer (105) is 0.3-0.5 cm.
7. A moisture resistant, air permeable, high strength kraft paper according to claim 1, wherein: The compression-resistant plates (1041) are filled with elastic fibers.