Cigarette packaging paper with bamboo core layer and cigarette case

Abstract

The utility model belongs to the technical field of cigarette production materials, and particularly relates to cigarette packaging paper with a bamboo core layer and a cigarette case, the packaging paper comprises bottom layer paper and surface layer paper, the core layer paper is arranged between the bottom layer paper and the surface layer paper, and the core layer paper is bamboo fiber paper; a binder layer is arranged between the bottom layer paper and the core layer paper, and a binder layer is arranged between the surface layer paper and the core layer paper; one surface, far away from the core paper, of the bottom paper is a smooth surface, and one surface, close to the core paper, of the bottom paper is a rough surface; one surface, far away from the core layer paper, of the surface layer paper is a smooth surface, and one surface, close to the core layer paper, of the surface layer paper is a rough surface; a plurality of bonding lines are arranged on the two surfaces of the core layer paper; the bamboo fiber material in the core layer paper is arranged into a plurality of groups of triangles; fiber materials of the bottom layer paper and the surface layer paper are provided with a plurality of groups of triangular bamboo fibers. The use amount of wood pulp can be reduced, and the environment-friendly and low-carbon requirements are better met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cigarette production material technical field, concretely relates to a cigarette packing paper of bamboo core layer and cigarette case. BACKGROUND

[0002] The cigarette packing paper is used for packing cigarette products, and its main role is to reduce the loss of aroma and the change of moisture of the cigarette products, and facilitate storage, transportation and sales. At present, white cardboard is mostly used for cigarette packing paper, and the white cardboard is mainly used for cigarette packing small boxes and strip boxes in the cigarette industry. In recent years, with the development of green and environmental protection strategy research in the tobacco industry, the cigarette material is also researched with the concept of low carbon, such as reducing carbon emissions by reducing the weight of the packing material, using degradable materials, etc. At present, the white cardboard of the cigarette packing is mainly made of wood pulp, and the wood resources are increasingly scarce, so other non-wood fiber raw materials need to be fully developed to replace or partially replace the wood pulp. SUMMARY

[0003] The utility model aims at providing a cigarette packing paper of bamboo core layer and cigarette case, which can reduce the use amount of wood pulp and meet the requirements of green and low carbon.

[0004] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0005] In a first aspect, the application discloses a cigarette packing paper of bamboo core layer, which comprises a bottom layer paper and a surface layer paper, a core layer paper is arranged between the bottom layer paper and the surface layer paper, the core layer paper is a bamboo fiber paper, an adhesive layer is arranged between the bottom layer paper and the core layer paper and between the surface layer paper and the core layer paper, one side of the bottom layer paper away from the core layer paper is a smooth surface, and one side of the bottom layer paper close to the core layer paper is a rough surface; one side of the surface layer paper away from the core layer paper is a smooth surface, and one side of the surface layer paper close to the core layer paper is a rough surface; and a plurality of adhesive lines are arranged on the two surfaces of the core layer paper.

[0006] The bottom layer paper and the surface layer paper are adhered to the two sides of the core layer paper by the adhesive layer, so that the layering is not easy to occur; the adhesive layer is generally a glue layer, has good sealing performance, can reduce the loss of aroma of the cigarette in the cigarette case, can also avoid the entry of moisture into the cigarette case, and prevents the cigarette from being damp; in addition, the core layer paper is clamped between the two adhesive layers, the core layer paper will not be damp, and the problem that the strength of the packing paper is weakened after the bamboo fiber paper absorbs moisture due to the good hygroscopicity of the bamboo fiber paper can be avoided.

[0007] The smooth surface of one side of the bottom layer paper away from the core layer paper makes the hand feeling of the consumer better, and the rough surface of one side of the bottom layer paper close to the core layer paper can improve the adhesive effect between the core layer paper and the bottom layer paper, and further avoid layering.

[0008] The side of the surface layer paper away from the core layer paper is a smooth surface, so that the consumer feels better, and the side close to the core layer paper is a rough surface, so that the bonding effect between the core layer paper and the surface layer paper is improved, and layering is further avoided.

[0009] The bonding lines can improve the bonding capacity of the core layer paper and the bottom layer paper and the surface layer paper, and avoid layering after use.

[0010] Further, the bamboo fiber material in the core layer paper is provided as a plurality of groups of triangles, and the fiber material of the bottom layer paper and the surface layer paper is provided with a plurality of groups of triangular bamboo fibers.

[0011] Further, the bottom layer paper, the core layer paper and the surface layer paper are all one layer, the basis weight of the bottom layer paper and the surface layer paper is 250-350g / m 2 , and the basis weight of the core layer paper is 200-300g / m 2 .

[0012] Further, the thickness of the bottom layer paper and the surface layer paper is 0.3-0.6mm, and the thickness of the core layer paper is 0.2-0.5mm.

[0013] In a second aspect, the application further discloses a cigarette box adopting the cigarette packaging paper with a bamboo core layer.

[0014] The utility model with the above technical scheme has the following advantages:

[0015] 1. The cigarette packaging paper comprises a bottom layer paper, a core layer paper and a surface layer paper, the bamboo fiber paper with low strength is used as the core layer paper and is clamped between the bottom layer paper and the surface layer paper, and an adhesive layer is used for bonding, so that the bamboo fiber paper with high environmental protection is used as the core layer under the condition of meeting the strength requirement of the whole packaging paper, and the use amount of wood pulp is reduced; the bamboo belongs to a sub-plant of a grass family, has fast growth and a long cutting period, has fine and long fibers, is a good papermaking fiber raw material and meets the green and low-carbon requirement.

[0016] 2. The bamboo fiber material in the core layer paper is provided as a plurality of groups of triangles, and the fiber material of the bottom layer paper and the surface layer paper is provided with a plurality of groups of triangular bamboo fibers, so that the use amount of the bamboo fiber is further increased, the use amount of the wood pulp is reduced, the hardness and the tensile strength of the whole cigarette packaging paper are improved, the problem of insufficient strength of the bamboo fiber paper is solved, the strength is higher under the condition of low gram weight, good forming effect is achieved, and the resources and the energy are reasonably utilized.

[0017] 3. This utility model uses an adhesive layer to bond the bottom layer paper and the top layer paper to both sides of the core layer paper, thus preventing delamination. Furthermore, the adhesive layer is generally a glue layer, which has good sealing properties, reducing the loss of aroma from the cigarettes inside the cigarette box and preventing moisture from entering the cigarette box, thus preventing the cigarettes from getting damp. In addition, by sandwiching the core layer paper between the two adhesive layers, the core layer paper will not get damp, and it can also avoid the problem that the packaging paper weakens after absorbing moisture due to the good hygroscopicity of bamboo fiber paper.

[0018] 4. The cigarette packaging paper of this utility model retains the antibacterial and bacteriostatic properties of bamboo fiber, and endows the cigarette packaging paper with anti-mildew properties. It has unique application prospects in cigarette packaging and is worth promoting. Attached Figure Description

[0019] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0020] Figure 1 This is a schematic diagram of the structure of a bamboo-core cigarette packaging paper according to this utility model;

[0021] The symbols for the main components are explained below:

[0022] 1. Bottom paper, 2. Core paper, 3. Top paper, 4. Adhesive layer, 5. Rough surface, 6. Smooth surface, 7. Adhesive texture. Detailed Implementation

[0023] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that similar or identical parts are referred to by the same reference numerals in the drawings or description. Implementations not shown or described in the drawings are forms known to those skilled in the art. Furthermore, directional terms mentioned in the embodiments, such as "up," "down," "top," "bottom," "left," "right," "front," and "back," are only for reference to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0024] Example 1

[0025] like Figure 1 As shown, this embodiment is a tobacco packaging paper with a bamboo core layer, including a bottom paper 1 and a top paper 3. A core paper 2, which is bamboo fiber paper, is disposed between the bottom paper 1 and the top paper 3. To improve the overall stiffness and tensile strength of the tobacco packaging paper and compensate for the insufficient strength of bamboo fiber paper, the bamboo fiber material in the core paper 2 of this embodiment is arranged in several sets of triangles; the fiber material of the bottom paper 1 and the top paper 3 is arranged in several sets of triangular bamboo fibers. It should be noted that the triangles in this application are triangular structures with three sides, not necessarily regular triangles, to improve the overall stiffness and tensile strength of the tobacco packaging paper.

[0026] In order to make the preparation process simpler, the bottom paper 1, the core paper 2 and the surface paper 3 in the embodiment are all one layer, the basis weight of the bottom paper 1 and the surface paper 3 is 300g / m 2 In another actual preparation process, according to the actual packaging requirement of the cigarette, a basis weight of 250g / m 2 , 350g / m 2 may also be selected, the basis weight of the core paper 2 is 250g / m 2 In another actual preparation process, according to the actual packaging requirement of the cigarette, a basis weight of 200g / m 2 , 300g / m 2 may also be selected, the thickness of the bottom paper 1 and the surface paper 3 is 0.45mm (in another actual preparation process, according to the actual packaging requirement of the cigarette, a thickness of 0.3mm, 0.6mm may also be selected), the thickness of the core paper 2 is 0.35mm (in another actual preparation process, according to the actual packaging requirement of the cigarette, a thickness of 0.2mm, 0.5mm may also be selected). It should be noted that in practice, the bottom paper 1, the core paper 2 and the surface paper 3 may also be provided as multiple layers, as long as at least one layer of core paper 2 is provided between the bottom paper 1 and the surface paper 3, and the thickness of each layer of paper is reduced accordingly.

[0027] The bottom paper 1 and the core paper 2, and the surface paper 3 and the core paper 2 in the embodiment are both provided with an adhesive layer 4, the adhesive layer 4 in the embodiment is a layer of natural high molecular glue layer which is brushed and dried quickly. In this way, the bottom paper 1 and the surface paper 3 are bonded on both sides of the core paper 2 by using the adhesive layer 4, so that delamination is not easy to occur; and the adhesive layer 4 is generally a glue layer, which has good sealing property, can reduce the loss of aroma of the cigarette in the cigarette box, and can also avoid the entry of moisture into the cigarette box to prevent the cigarette from being damp; in addition, the core paper 2 is clamped between the two adhesive layers 4, so that the core paper 2 will not be damp, and the problem of weakening of the strength of the packaging paper due to good hygroscopicity of the bamboo fiber paper after hygroscopicity can also be avoided.

[0028] In the embodiment, the bottom layer paper 1 has a smooth surface 6 away from the core layer paper 2 and a rough surface 5 close to the core layer paper 2; the surface layer paper 3 has a smooth surface 6 away from the core layer paper 2 and a rough surface 5 close to the core layer paper 2. In this way, the smooth surface 6 of the bottom layer paper 1 away from the core layer paper 2 makes the product feel better to the touch, and the rough surface 5 close to the core layer paper 2 improves the bonding effect between the core layer paper 2 and the bottom layer paper 1. The smooth surface 6 of the surface layer paper 3 away from the core layer paper 2 makes the product feel better to the touch, and the rough surface 5 close to the core layer paper 2 improves the bonding effect between the core layer paper 2 and the surface layer paper 3, further avoiding layering. In order to further improve the bonding ability of the core layer paper 2 and the bottom layer paper 1 and the surface layer paper 3 and avoid layering after use, the core layer paper 2 is provided with a plurality of bonding lines 7 on both surfaces.

[0029] Embodiment 2,

[0030] The cigarette box of the embodiment is made of the bamboo core layer cigarette packaging paper of the above-mentioned embodiment 1. The cigarette box of the embodiment not only meets the strength requirement, but also meets the green and low-carbon requirement. In addition, the aroma of the cigarette in the cigarette box is not easy to dissipate and get wet.

[0031] The bamboo core layer cigarette packaging paper and the cigarette box are described in detail above. The description of the specific embodiments is only used to help understand the method and the core idea of the bamboo core layer cigarette packaging paper and the cigarette box. It should be pointed out that, for ordinary skilled persons in the art, the bamboo core layer cigarette packaging paper and the cigarette box can be improved and modified without departing from the principle of the bamboo core layer cigarette packaging paper and the cigarette box, and these improvements and modifications also fall within the protection scope of the bamboo core layer cigarette packaging paper and the cigarette box.

Claims

1. A tobacco wrapper of a bamboo core layer, characterized by: The paper comprises a bottom layer paper, a surface layer paper and a core layer paper, the core layer paper is bamboo fiber paper, the bottom layer paper and the surface layer paper are provided with adhesive layers between them and the core layer paper, one side of the bottom layer paper far from the core layer paper is smooth, and the other side close to the core layer paper is rough, one side of the surface layer paper far from the core layer paper is smooth, and the other side close to the core layer paper is rough, and the core layer paper is provided with a plurality of adhesive lines on both sides.

2. A cigarette wrapper of claim 1, wherein: The bamboo fiber material in the core layer paper is set as a plurality of groups of triangles, and the fiber material of the bottom layer paper and the surface layer paper is provided with a plurality of groups of triangles of bamboo fiber.

3. A cigarette wrapper of claim 2, wherein: The bottom paper, the core paper and the top paper are each one layer, the basis weight of the bottom paper and the top paper is 250-350 g / m 2 , and the basis weight of the core paper is 200-300 g / m 2 .

4. A cigarette paper with a bamboo core layer according to claim 3, characterized in that: The thickness of the bottom layer paper and the surface layer paper is 0.3-0.6mm, and the thickness of the core layer paper is 0.2-0.5mm.

5. A cigarette pack characterized by: The cigarette box adopts the bamboo core layer cigarette packaging paper of any one of claims 1-4.

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