Double-sided coated paper

Abstract

The utility model provides double-sided coated paper, which relates to the technical field of double-sided coated paper, and comprises double-sided coated paper, a primary pulp core layer is arranged in the center of the double-sided coated paper, the upper surface and the lower surface of the primary pulp core layer are respectively coated with a group of second hot melt adhesive layers, the upper surface of the primary pulp core layer is bonded with an upper reinforcing layer through the second hot melt adhesive layers, and the lower surface of the primary pulp core layer is bonded with a lower reinforcing layer through the second hot melt adhesive layers. The upper surface of the upper reinforcing layer is coated with a group of first hot melt adhesive layers, the upper surface of the upper reinforcing layer is bonded with an upper surface layer through the first hot melt adhesive layers, the primary pulp core layer is made of a bamboo pulp material, the second hot melt adhesive layer is made of PA hot melt adhesive, and a certain proportion of efficient polymer is mixed in the primary pulp core layer. And the high-efficiency polymer is a polyacrylamide high-efficiency polymer. The high-efficiency polymer is added into the bamboo pulp, so that the quality of the paper is improved, and the bamboo fiber layer and the cotton paper layer are adhered, so that the tear resistance of the paper is enhanced, and the paper is stable in use, anti-slip, firmer and more durable.

Description

Technical Field

[0001] The utility model relates to the technical field of laminated paper, in particular to double-sided laminated paper. Background Art

[0002] Double-sided coated paper is a packaging material with functions such as waterproof, oil-proof and moisture-proof, and is suitable for product packaging in multiple industries such as food, medicine, and cosmetics. In the specification of a double-sided coated paper in the prior art (Announcement No. CN204955620U), it is mentioned that "it includes a first coating layer, a base paper layer and a second coating layer arranged in sequence, the base paper layer is a log pulp layer, the first coating layer and the second coating layer are arranged in a single layer on both sides of the base paper layer with the base paper layer as the base layer, a first hot melt adhesive layer is arranged between the base paper layer and the first coating layer, and a second hot melt adhesive layer is arranged between the second coating layer and the base paper layer." However, the double-sided coated paper in the prior art is not strong enough, and it is easy to tear, break or crack in the process of packaging products, and it is not strong and practical. Utility Model Content

[0003] In order to overcome the defects of the prior art, a double-sided laminated paper is provided to solve the problem that the double-sided laminated paper in the prior art is not strong enough, is easily torn, has holes or cracked edges during the packaging process, and is not strong and practical.

[0004] To achieve the above-mentioned purpose, a double-sided laminated paper is provided, including double-sided laminated paper, wherein a raw pulp core layer is arranged in the center of the double-sided laminated paper, and a group of second hot-melt adhesive layers are coated on the upper and lower surfaces of the raw pulp core layer, the upper surface of the raw pulp core layer is bonded to an upper reinforcement layer through the second hot-melt adhesive layer, and the upper surface of the upper reinforcement layer is coated with a group of first hot-melt adhesive layers, and the upper surface of the upper reinforcement layer is bonded to an upper surface layer through the first hot-melt adhesive layer.

[0005] Furthermore, the raw pulp core layer is made of bamboo pulp, and the second hot melt adhesive layer is made of PA hot melt adhesive.

[0006] Furthermore, a certain proportion of high-efficiency polymer is mixed in the raw pulp core layer, and the high-efficiency polymer is polyacrylamide high-efficiency polymer.

[0007] Furthermore, a lower reinforcing layer is bonded to the lower surface of the raw pulp core layer through a second hot-melt adhesive layer, and both the upper reinforcing layer and the lower reinforcing layer are made of bamboo fiber.

[0008] Furthermore, a group of first hot-melt adhesive layers are coated on the lower surface of the lower reinforcing layer, and the lower surface layer is bonded to the lower surface layer through the first hot-melt adhesive layers.

[0009] Furthermore, the first hot melt adhesive layer is made of PES hot melt adhesive, and the upper surface layer and the lower surface layer are both made of cotton paper.

[0010] Furthermore, the upper and lower surfaces of the double-sided laminated paper are both provided with concave surfaces, and the upper surface of the double-sided laminated paper is provided with upper anti-slip edges on both sides, and the lower surface of the double-sided laminated paper is provided with lower anti-slip edges on both sides, and at the same time, the upper and lower surfaces of the double-sided laminated paper are both provided with a laminate.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model mixes a certain proportion of high-efficiency polymers in the raw pulp core layer, which helps to make the fiber distribution in the bamboo pulp more uniform, thereby improving the quality of paper and also helping to reduce pollution in the production process.

[0013] 2. In the utility model, the upper reinforcing layer and the lower reinforcing layer are respectively bonded to the upper and lower surfaces of the original pulp core layer by hot melt adhesive, which helps to enhance the tear resistance of the paper, making the double-sided coated paper packaging more stable, less prone to holes, and more durable; at the same time, the setting of the upper surface layer and the lower surface layer makes the paper surface soft, avoiding product abrasion when packaging products.

[0014] 3. The setting of the upper anti-skid edge and the lower anti-skid edge in the utility model is more humane, which is convenient for users to pinch and fold during use, and is not easy to slip, making the packaging safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a rendering of an embodiment of the utility model;

[0016] Figure 2 It is a left side schematic diagram of an embodiment of the utility model;

[0017] Figure 3 It is a top view schematic diagram of an embodiment of the utility model;

[0018] Figure 4 It is a cross-sectional schematic diagram of an embodiment of the utility model.

[0019] In the figure: 1, double-sided coated paper; 10, upper anti-slip edge; 11, upper surface layer; 12, first hot melt adhesive layer; 13, upper reinforcement layer; 14, second hot melt adhesive layer; 15, raw pulp core layer; 16, high-efficiency polymer; 17, lower reinforcement layer; 18, lower surface layer; 19, lower anti-slip edge; 100, concave surface. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0021] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0022] Figure 1 The effect diagram of the embodiment of the utility model is as follows: Figure 2 It is a left side schematic diagram of an embodiment of the utility model, Figure 3 A schematic top view of an embodiment of the utility model and Figure 4 It is a cross-sectional schematic diagram of an embodiment of the utility model.

[0023] Reference Figures 1 to 4 As shown, the utility model provides a double-sided laminated paper, including a double-sided laminated paper 1, a raw pulp core layer 15 is arranged in the center of the double-sided laminated paper 1, and the upper and lower surfaces of the raw pulp core layer 15 are coated with a group of second hot melt adhesive layers 14, the upper surface of the raw pulp core layer 15 is bonded with an upper reinforcement layer 13 through the second hot melt adhesive layer 14, and the upper surface of the upper reinforcement layer 13 is coated with a group of first hot melt adhesive layers 12, and the upper surface of the upper reinforcement layer 13 is bonded with an upper surface layer 11 through the first hot melt adhesive layer 12.

[0024] In this embodiment, the raw pulp core layer 15 is made of bamboo pulp, and the second hot melt adhesive layer 14 coated on the upper and lower surfaces of the raw pulp core layer 15 is made of PA hot melt adhesive; a certain proportion of high-efficiency polymer 16 is mixed in the raw pulp core layer 15, and the high-efficiency polymer 16 is made of polyacrylamide high-efficiency polymer.

[0025] As a preferred embodiment, mixing a certain proportion of high-efficiency polymer 16 into the raw pulp core layer 15 of the utility model helps to make the fiber distribution in the bamboo pulp more uniform, thereby improving the quality of paper and also helping to reduce pollution in the production process.

[0026] In this embodiment, the lower surface of the raw pulp core layer 15 is bonded with the lower reinforcement layer 17 through the second hot melt adhesive layer 14, and the upper reinforcement layer 13 and the lower reinforcement layer 17 are both made of bamboo fiber; the lower surface of the lower reinforcement layer 17 is coated with a group of first hot melt adhesive layers 12, and the lower surface of the lower reinforcement layer 17 is bonded with the lower surface layer 18 through the first hot melt adhesive layer 12; the first hot melt adhesive layer 12 uses PES hot melt adhesive, and the upper surface layer 11 and the lower surface layer 18 are both made of cotton paper.

[0027] As a preferred embodiment, in the utility model, an upper reinforcing layer 13 and a lower reinforcing layer 17 are respectively bonded to the upper and lower surfaces of the original pulp core layer 15 by hot melt adhesive. The upper reinforcing layer 13 and the lower reinforcing layer 17 help to enhance the tear resistance of the paper, making the double-sided coated paper packaging more stable, less prone to holes, and more durable; at the same time, the setting of the upper surface layer 11 and the lower surface layer 18 makes the paper surface soft, avoiding product abrasion when packaging products.

[0028] In this embodiment, the upper and lower surfaces of the double-sided laminated paper 1 are both provided with a concave surface 100, and the upper surface of the double-sided laminated paper 1 is provided with an upper anti-slip edge 10 on both sides, and the lower surface of the double-sided laminated paper 1 is provided with a lower anti-slip edge 19 on both sides, and the upper and lower surfaces of the double-sided laminated paper 1 are both provided with a laminate.

[0029] As a preferred embodiment, the upper anti-skid edge 10 and the lower anti-skid edge 19 in the utility model are more user-friendly, which is convenient for users to pinch and fold during use, and is not easy to slip, making the packaging safer and more reliable.

[0030] The utility model can effectively solve the problems in the prior art that the double-sided coated paper is not strong enough, is prone to tearing, holes or cracked edges during the product packaging process, and is not strong and practical. The utility model improves the quality of the paper by adding a high-efficiency polymer to the bamboo pulp, and bonds the bamboo fiber layer and the cotton paper layer to enhance the tear resistance of the paper, making it stable and non-slip, and more strong and durable.

[0031] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A double-sided coated paper, characterized in that: The double-sided coated paper (1) comprises a raw pulp core layer (15) at the center of the double-sided coated paper (1), and the upper and lower surfaces of the raw pulp core layer (15) are coated with a group of second hot melt adhesive layers (14), the upper surface of the raw pulp core layer (15) is bonded to an upper reinforcing layer (13) via the second hot melt adhesive layer (14), and the upper surface of the upper reinforcing layer (13) is coated with a group of first hot melt adhesive layers (12), and the upper surface of the upper reinforcing layer (13) is bonded to an upper surface layer (11) via the first hot melt adhesive layer (12).

2. The double-sided coated paper according to claim 1, characterized in that: The raw pulp core layer (15) is made of bamboo pulp, and the second hot melt adhesive layer (14) is made of PA hot melt adhesive.

3. The double-sided coated paper according to claim 2, characterized in that: A certain proportion of high-efficiency polymer (16) is mixed in the raw pulp core layer (15), and the high-efficiency polymer (16) is polyacrylamide high-efficiency polymer.

4. The double-sided coated paper according to claim 1, characterized in that: The lower surface of the raw pulp core layer (15) is bonded with a lower reinforcement layer (17) via a second hot melt adhesive layer (14), and both the upper reinforcement layer (13) and the lower reinforcement layer (17) are made of bamboo fibers.

5. The double-sided coated paper according to claim 4, characterized in that: The lower surface of the lower reinforcement layer (17) is coated with a group of first hot-melt adhesive layers (12), and the lower surface layer (18) is bonded to the lower surface layer (18) via the first hot-melt adhesive layer (12).

6. The double-sided coated paper according to claim 1, characterized in that: The first hot melt adhesive layer (12) is made of PES hot melt adhesive, and the upper surface layer (11) and the lower surface layer (18) are both made of cotton paper.

7. The double-sided coated paper according to claim 1, characterized in that: The upper and lower surfaces of the double-sided laminated paper (1) are both provided with concave surfaces (100), and the upper and left sides of the upper surface of the double-sided laminated paper (1) are both provided with upper anti-slip edges (10), and the left and right sides of the lower surface of the double-sided laminated paper (1) are both provided with lower anti-slip edges (19), and at the same time, the upper and lower surfaces of the double-sided laminated paper (1) are both provided with a laminate.

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