Laminated paper with good hydrophobicity
By forming a multi-layer hydrophobic structure on the coating paper, the existing coating paper has been solved, and its waterproof performance has been significantly improved. It is suitable for packaging items that are prone to moisture and damage.
Patent Information
- Application Number
- CN202420723458.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The existing coating paper is insufficiently hydrophobic and is prone to moisture penetration, making it difficult to apply to items that are easily damaged by moisture.
By coating multiple hydrophobic layers on the base paper layer and the coating layer of the coating paper, including hydrophobic coating, sandblasting layer and plastic film, respectively, a hydrophobic reinforcement structure is formed to improve the waterproof performance of the coating paper.
It significantly improves the hydrophobic properties of the coating paper, allowing it to prevent moisture penetration more effectively, and is suitable for packaging items that are prone to moisture damage.
Smart Images

Figure CN222613861U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of laminated paper, in particular to laminated paper with good hydrophobicity. Background Art
[0002] Laminated paper is a kind of paper that has been specially processed. It is made by spraying a layer of plastic film (usually polyethylene or polypropylene) on the base paper. This kind of paper has the following characteristics and uses:
[0003] Oil resistance: It can resist the penetration of grease and is often used to package food, cosmetics, etc.
[0004] Abrasion resistance: The plastic film on the surface increases the abrasion resistance of the paper, making it more durable;
[0005] Increased strength: Compared with ordinary paper, coated paper is stronger and less likely to tear or break;
[0006] Wide range of applications: can be used to make various packaging materials, such as paper bags, paper boxes, wrapping paper, etc., can also be used in printing, labeling and other fields;
[0007] However, the prior art coated paper is not sufficiently hydrophobic and is easily penetrated by water, making it difficult to be used for packaging items that are easily damaged by moisture. Utility Model Content
[0008] The purpose of the utility model is to provide a coated paper with good hydrophobicity to solve the defects mentioned in the above background technology.
[0009] To achieve the above-mentioned purpose, a laminated paper with good hydrophobicity is provided, comprising a laminated paper body, wherein the laminated paper body comprises a base paper layer, and the surface of the base paper layer is covered with a laminated layer, and at the same time, the surface of the laminated layer is fixedly coated with a first hydrophobic layer, and the surface of the first hydrophobic layer is spray-coated with a second hydrophobic layer, and the surface of the second hydrophobic layer is fixedly covered with a third hydrophobic layer.
[0010] Preferably, the base paper layer, the coating layer, the first hydrophobic layer, the second hydrophobic layer and the third hydrophobic layer are arranged in layers from bottom to top, and the base paper layer, the coating layer, the first hydrophobic layer, the second hydrophobic layer and the third hydrophobic layer are combined together to form a coated paper body.
[0011] Preferably, the thickness of the laminated paper body is 1.5 mm, and the thickness of the base paper layer in the laminated paper body is 0.9 mm.
[0012] Preferably, the first hydrophobic layer, the second hydrophobic layer and the third hydrophobic layer are combined together to form a hydrophobic reinforcement structure, and the thickness of the hydrophobic reinforcement structure is 0.25 mm.
[0013] Preferably, the first hydrophobic layer is a hydrophobic coating, and the first hydrophobic layer is formed by laying a fluorocarbon coating on the surface of the coating layer.
[0014] Preferably, the second hydrophobic layer is a sandblasted layer, and the sandblasted layer is laid on the surface of the first hydrophobic layer to form the second hydrophobic layer.
[0015] Preferably, the third hydrophobic layer is a plastic film, and the thickness of the third hydrophobic layer is 0.1 mm.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] The first hydrophobic layer is a hydrophobic coating, which is a fluorocarbon coating to increase the hydrophobic effect of the coated paper body;
[0018] The second hydrophobic layer is a sandblasting layer, which is covered on the surface of the base paper layer by sandblasting to change its surface morphology and chemical properties and improve the hydrophobicity of the coated paper body;
[0019] The third hydrophobic layer is a plastic film, which covers the outermost surface of the laminated paper body and can directly waterproof the laminated paper body;
[0020] The first hydrophobic layer, the second hydrophobic layer and the third hydrophobic layer are combined to form a hydrophobic reinforcement structure; the hydrophobic reinforcement structure covers the surface of the laminated paper body, which can increase the waterproof performance of the laminated paper body. When the laminated paper body is used as a paper bag or a paper box, it can fully waterproof the items wrapped therein, and is more suitable for packaging items that are easily damaged by moisture. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a front view schematic diagram of the structure of the utility model;
[0022] Figure 2 The utility model structure Figure 1 A is an enlarged structural diagram;
[0023] Figure 3 This is a schematic diagram of the structure of the laminated paper body of the utility model.
[0024] Numbers in the figure: 1, coated paper body; 11, base paper layer; 12, coated layer; 13, first hydrophobic layer; 14, second hydrophobic layer; 15, third hydrophobic layer. DETAILED DESCRIPTION
[0025] See also Figure 1-3The utility model provides a laminated paper with good hydrophobicity, including a laminated paper body 1, the laminated paper body 1 includes a base paper layer 11, and the surface of the base paper layer 11 is covered with a laminated layer 12, and at the same time, the surface of the laminated layer 12 is fixedly coated with a first hydrophobic layer 13, and the surface of the first hydrophobic layer 13 is sprayed and covered with a second hydrophobic layer 14, and the surface of the second hydrophobic layer 14 is fixedly covered with a third hydrophobic layer 15.
[0026] Working principle:
[0027] The first hydrophobic layer 13, the second hydrophobic layer 14 and the third hydrophobic layer 15 are combined to form a hydrophobic reinforcement structure; the hydrophobic reinforcement structure covers the surface of the laminated paper body 1, which can increase the waterproof performance of the laminated paper body 1. When the laminated paper body 1 is used as a paper bag or a paper box, it can fully waterproof the items wrapped therein, and is more suitable for packaging items that are easily damaged by moisture.
[0028] As a preferred embodiment, the base paper layer 11, the coating layer 12, the first hydrophobic layer 13, the second hydrophobic layer 14 and the third hydrophobic layer 15 are arranged in layers from bottom to top, and the base paper layer 11, the coating layer 12, the first hydrophobic layer 13, the second hydrophobic layer 14 and the third hydrophobic layer 15 are combined together to form the coated paper body 1.
[0029] As a preferred embodiment, the thickness of the laminated paper body 1 is 1.5 mm, and the thickness of the base paper layer 11 in the laminated paper body 1 is 0.9 mm.
[0030] As a preferred embodiment, the first hydrophobic layer 13, the second hydrophobic layer 14 and the third hydrophobic layer 15 are combined together to form a hydrophobic reinforcement structure, and the thickness of the hydrophobic reinforcement structure is 0.25 mm.
[0031] As a preferred embodiment, the first hydrophobic layer 13 is a hydrophobic coating, and the first hydrophobic layer 13 is formed by laying a fluorocarbon coating on the surface of the coating layer 12 .
[0032] like Figure 1-3 As shown: the first hydrophobic layer 13 is a hydrophobic coating, and the hydrophobic coating is a fluorocarbon coating, which increases the hydrophobic effect of the coated paper body 1
[0033] As a preferred embodiment, the second hydrophobic layer 14 is a sandblasted layer, and the sandblasted layer is laid on the surface of the first hydrophobic layer 13 to form the second hydrophobic layer 14 .
[0034] The second hydrophobic layer 14 is a sandblasting layer, which is covered on the surface of the base paper layer 11 by sandblasting to change its surface morphology and chemical properties and improve the hydrophobic performance.
[0035] As a preferred implementation, the third hydrophobic layer 15 is a plastic film, and the thickness of the third hydrophobic layer 15 is 0.1 mm.
[0036] The third hydrophobic layer 15 is a plastic film, which covers the outermost surface of the laminated paper body 1 and can directly waterproof the laminated paper body 1 .
Claims
1. A laminated paper with good hydrophobicity, comprising a laminated paper body (1), characterized in that: The coated paper body (1) comprises a base paper layer (11), and the surface of the base paper layer (11) is covered with a coating layer (12), and at the same time, the surface of the coating layer (12) is fixedly coated with a first hydrophobic layer (13), and the surface of the first hydrophobic layer (13) is spray-coated with a second hydrophobic layer (14), and the surface of the second hydrophobic layer (14) is fixedly covered with a third hydrophobic layer (15).
2. The hydrophobic coated paper according to claim 1, characterized in that: The base paper layer (11), the coating layer (12), the first hydrophobic layer (13), the second hydrophobic layer (14) and the third hydrophobic layer (15) are arranged in layers from bottom to top, and the base paper layer (11), the coating layer (12), the first hydrophobic layer (13), the second hydrophobic layer (14) and the third hydrophobic layer (15) are combined together to form a coating paper body (1).
3. The hydrophobic coated paper according to claim 1, characterized in that: The thickness of the laminated paper body (1) is 1.5 mm, and the thickness of the base paper layer (11) in the laminated paper body (1) is 0.9 mm.
4. The hydrophobic coated paper according to claim 1, characterized in that: The first hydrophobic layer (13), the second hydrophobic layer (14) and the third hydrophobic layer (15) are combined together to form a hydrophobic reinforcement structure, and the thickness of the hydrophobic reinforcement structure is 0.25 mm.
5. The hydrophobic coated paper according to claim 4, characterized in that: The first hydrophobic layer (13) is a hydrophobic coating, and the first hydrophobic layer (13) is formed by laying a fluorocarbon coating on the surface of the coating layer (12).
6. The hydrophobic coated paper according to claim 1, characterized in that: The second hydrophobic layer (14) is a sandblasted layer, and the sandblasted layer is laid on the surface of the first hydrophobic layer (13) to form the second hydrophobic layer (14).
7. The hydrophobic coated paper according to claim 1, characterized in that: The third hydrophobic layer (15) is a plastic film, and the thickness of the third hydrophobic layer (15) is 0.1 mm.
Citation Information
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Laminated paper with good hydrophobicity
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