Moisture-proof impregnated decorative paper

By introducing a combination structure of melamine layer, alumina powder layer, heat transfer ink layer and heat transfer film layer into impregnated decorative paper, the problem of alumina powder moisture-proof layer affecting decorative function is solved, achieving a balance between moisture-proof and decorative functions, and improving the bonding stability and wear resistance of impregnated paper and board.

CN224077867UActive Publication Date: 2026-04-03HANGZHOU LINAN YUANDA DECORATION MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

When existing impregnated decorative paper uses alumina powder to form a moisture-proof layer, it affects the decorative function of the base paper, resulting in a loss of decorative effect.

Method used

It adopts a combined structure of melamine layer, alumina powder layer, heat transfer ink layer and heat transfer film layer. The melamine layer provides basic function, the alumina powder layer improves moisture resistance, and the heat transfer ink layer and heat transfer film layer enhance the decorative effect. It is fixed to the board by hot pressing with adhesive layer.

Benefits of technology

It achieves improved moisture resistance while maintaining decorative function, enhances the bonding stability between impregnated paper and board, and has good wear resistance and diverse decorative effects.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224077867U_ABST
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Abstract

The utility model discloses damp-proof impregnated decorative paper which comprises a body paper layer, melamine layers are arranged on the upper side and the lower side of the body paper layer, and the damp-proof impregnated decorative paper is characterized in that a damp-proof layer is arranged on the side, away from the body paper layer, of one melamine layer, a heat transfer printing layer is arranged on the side, away from the body paper layer, of the damp-proof layer, and the heat transfer printing layer is arranged on the side, away from the body paper layer, of the other melamine layer. The heat transfer printing layer comprises a heat transfer printing ink layer and a heat transfer printing film layer, the melamine layer comprises a first adhesive layer and a second adhesive layer which are arranged on the upper side and the lower side of the body paper layer, the aluminum oxide powder layer is arranged, the hydrophobic effect is achieved through the aluminum oxide powder layer, and the damp-proof function of the impregnated paper can be improved; according to the impregnated paper, the aluminum oxide powder layer is arranged on one side of the impregnated paper, the heat transfer printing ink layer and the heat transfer printing film layer are further arranged on one side of the aluminum oxide powder layer, various colors can be brought to the impregnated paper through the heat transfer printing ink layer, and after the impregnated paper is attached and hot-pressed, the heat transfer printing ink layer is located on the outer side and also has good abrasion resistance.
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Description

Technical Field

[0001] This utility model relates to the field of impregnated paper technology, specifically a moisture-proof impregnated decorative paper. Background Technology

[0002] There are various existing methods for moisture protection of impregnated decorative paper, some of which involve attaching a moisture-proof layer, such as a silica gel layer or an alumina powder layer, to the impregnated paper. However, when alumina powder is used to form a moisture-proof layer on the impregnated paper, it can affect the display of the pattern on the base paper, thus compromising the decorative function of the impregnated decorative paper. Currently, there is no better way to ensure that moisture-proof impregnated paper with alumina powder retains good decorative properties. Extensive research has been conducted on this issue. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a moisture-proof impregnated decorative paper that can solve the problems in the prior art.

[0004] This utility model is achieved through the following technical solution: A moisture-proof impregnated decorative paper of this utility model includes a base paper layer, and melamine layers are provided on the upper and lower sides of the base paper layer. The feature is that a moisture-proof layer is provided on the side of one of the melamine layers away from the base paper layer, and a heat transfer layer is provided on the side of the moisture-proof layer away from the base paper layer. The heat transfer layer includes a heat transfer ink layer and a heat transfer film layer.

[0005] A further technical solution is that the melamine layer includes a first adhesive layer and a second adhesive layer disposed on the upper and lower sides of the base paper layer.

[0006] A further technical solution is that the moisture-proof layer includes an alumina powder layer, which is disposed on one side of the first adhesive layer or the second adhesive layer.

[0007] In a further technical solution, the heat transfer ink layer is disposed on one side of the alumina powder layer, and the heat transfer film layer is disposed on one side of the heat transfer ink layer.

[0008] In a further technical solution, a release paper layer is provided on one side of the heat transfer film layer.

[0009] A further technical solution is that a PET protective film layer is provided on one side of the release paper layer, and a PET protective film layer is also provided on the bottommost side.

[0010] The beneficial effects of this utility model are as follows: First, by setting an alumina powder layer, the alumina powder layer plays a hydrophobic role, which can improve the moisture-proof function of the impregnated paper. Furthermore, a heat transfer ink layer and a heat transfer film layer are also set on one side of the alumina powder layer, which can bring a variety of colors to the impregnated paper itself. After the impregnated paper is laminated and hot-pressed, the heat transfer ink layer is on the outside and also has good wear resistance.

[0011] Second, by using the base paper layer, the first adhesive layer and the second adhesive layer as the basic functional layers of the impregnated paper, a good bonding and fixing function with the board can be achieved. The functional decorative layer is composed of the alumina powder layer, the heat transfer ink layer and the heat transfer film layer, which can further improve the connection stability with the base paper layer after the first adhesive layer and the second adhesive layer melt, so that the impregnated paper has moisture-proof and decorative functions. Attached Figure Description

[0012] For ease of explanation, the present invention will be described in detail below with reference to specific embodiments and accompanying drawings.

[0013] Figure 1 This is a schematic diagram of the layer structure of a moisture-proof impregnated decorative paper according to the present invention;

[0014] Figure 2 for Figure 1 A schematic diagram of the structure of the impregnated decorative paper after the release paper layer 17 and the PET protective film layer 18 are applied;

[0015] In the figure, the base paper layer 11, the first adhesive layer 12, the second adhesive layer 13, the alumina powder layer 14, the heat transfer ink layer 15, the heat transfer film layer 16, the release paper layer 17, and the PET protective film layer 18 are shown. Detailed Implementation

[0016] like Figures 1-2 As shown, this utility model will be described in detail. For ease of description, the directions mentioned below are defined as follows: the directions of up, down, left, right, front, and back mentioned below are the same as... Figure 1 The projection relationship is consistent in the up, down, left, right, front and back directions. The present invention provides a moisture-proof impregnated decorative paper, which includes a base paper layer 11. Melamine layers are provided on the upper and lower sides of the base paper layer 11. A moisture-proof layer is provided on the side of the melamine layer away from the base paper layer 11. A heat transfer layer is provided on the side of the moisture-proof layer away from the base paper layer 11.

[0017] Advantageously, the melamine layer includes a first adhesive layer 12 and a second adhesive layer 13 disposed on the upper and lower sides of the base paper layer 11. After the base paper layer 11 is impregnated with melamine adhesive, the first adhesive layer 12 is formed on its surface. Then, the base paper layer 11 and the first adhesive layer 12 are impregnated with melamine adhesive to form the second adhesive layer 13. The second adhesive layer 13 is used to form an anti-slip and wear-resistant protective structure and can provide a large amount of adhesive.

[0018] Advantageously, the moisture-proof layer includes an alumina powder layer 14, which is disposed on one side of the first adhesive layer 12 or the second adhesive layer 13. Alumina particles are sprayed onto one side of the second adhesive layer 13 after impregnation, and then dried to form the alumina powder layer 14. The alumina particles can be prepared to form nanoscale. The powdered alumina has a large surface area and cross-dispersion, exhibiting strong hydrophobicity, thus forming a moisture-proof layer.

[0019] Advantageously, the heat transfer layer includes a heat transfer ink layer 15 and a heat transfer film layer 16. The heat transfer ink layer 15 is disposed on one side of the alumina powder layer 14, and the heat transfer film layer 16 is disposed on one side of the heat transfer ink layer 15. The heat transfer ink layer 15 is pre-printed on the heat transfer film layer 16 using heat transfer ink, and then the heat transfer ink layer 15 is adhered to one side of the alumina powder layer 14. When the impregnated paper is hot-pressed onto the board, the heat transfer film layer 16 is decomposed by heat, and the heat transfer ink layer 15 is retained on one side of the alumina powder layer 14. Since the alumina powder layer 14 has a single color, the presence of the heat transfer ink layer 15 allows for a wider variety of colors for the impregnated paper. This process is generally suitable for single-color heat transfer inks, while patterned heat transfer inks are prone to deformation during hot pressing.

[0020] Advantageously, a release paper layer 17 is provided on one side of the heat transfer film layer 16. During the packaging stage, the release paper layer 17 is used to isolate it from 16. A PET protective film layer 18 is also provided on one side of the release paper layer 17 and at the lower end of 13 located below 11. The PET protective film layer 18 is used to protect the entire impregnated decorative paper. When the impregnated decorative papers are stacked, individual impregnated decorative papers can be separated. The impregnated decorative paper can be used after the release paper layer 17 and the PET protective film layer 18 are peeled off.

[0021] The impregnated paper is adhered to the board, and then hot-pressed to adhere the impregnated paper to the board. During this process, the heat transfer film layer 16 will decompose thermally, and the first adhesive layer 12 and the second adhesive layer 13 will adhere and fix to the board after being decomposed by heat. It will also make the alumina powder layer 14 and the heat transfer ink layer 15 more stably connected.

[0022] When the impregnated paper is placed on the board, the heat transfer film layer 16, the heat transfer ink layer 15 and the alumina powder layer 14 face upwards, while the first adhesive layer 12 and the second adhesive layer 13 on the underside of the base paper layer 11 face downwards and are bonded to the board.

[0023] After the impregnated paper is produced, release paper can be used to bond the top and bottom sides, and then the layers can be stacked and packaged to separate the impregnated paper and avoid the transfer film from sticking together.

[0024] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without creative effort should be included within the protection scope of this utility model; therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. A moisture-proof impregnated decorative paper, comprising a base paper layer (11), wherein melamine layers are disposed on the upper and lower sides of the base paper layer (11), characterized in that, One of the melamine layers has a moisture-proof layer on the side away from the base paper layer (11), and a heat transfer layer is provided on the side of the moisture-proof layer away from the base paper layer (11). The heat transfer layer includes a heat transfer ink layer (15) and a heat transfer film layer (16).

2. The moisture-proof impregnated decorative paper according to claim 1, characterized in that: The melamine layer includes a first adhesive layer (12) and a second adhesive layer (13) disposed on the upper and lower sides of the base paper layer (11).

3. The moisture-proof impregnated decorative paper according to claim 2, characterized in that: The moisture-proof layer includes an alumina powder layer (14), which is disposed on one side of the first adhesive layer (12) or the second adhesive layer (13).

4. The moisture-proof impregnated decorative paper according to claim 3, characterized in that: The heat transfer ink layer (15) is disposed on one side of the alumina powder layer (14), and the heat transfer film layer (16) is disposed on one side of the heat transfer ink layer (15).

5. The moisture-proof impregnated decorative paper according to claim 4, characterized in that: A release paper layer (17) is provided on one side of the heat transfer film layer (16).

6. The moisture-proof impregnated decorative paper according to claim 5, characterized in that: A PET protective film layer (18) is provided on one side of the release paper layer (17), and a PET protective film layer (18) is also provided on the bottommost side of the (13).