Impregnated paper easy to fit and not prone to curling

By using hemp paper reinforcing blocks and a moisture-absorbing layer in the impregnated paper, the problem of edge curling and peeling of the impregnated paper was solved, the paper's hardness and water resistance were improved, and its service life was extended.

CN223674564UActive Publication Date: 2025-12-16SHANDONG SENSHIDA DECORATION MATERIALS CO LTD
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Patent Information

Application Number
CN202520071327.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-16
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The existing impregnated paper is too soft at the edges when soaked in water, which makes it prone to curling and rolling, affecting its service life.

Method used

The rigid layer incorporates hemp paper with reinforcing blocks to increase the hardness and strength of the hemp paper. It also absorbs surrounding moisture through a moisture-absorbing layer and prevents water penetration through a waterproof layer, thus avoiding the original paper layer from warping when exposed to water.

Benefits of technology

It effectively prevents the edges of the impregnated paper from curling up when exposed to water, thus extending its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses impregnated paper easy to fit and not easy to curl, which relates to the technical field of impregnated paper, and comprises a body paper layer, melamine impregnated paper is fixed on the outer layer of the body paper layer, and the same anti-curl component is fixedly arranged at the top of the body paper layer and the top of the melamine impregnated paper, so that the periphery of the melamine impregnated paper is prevented from tilting when meeting water, and the service life of the melamine impregnated paper is prolonged. The anti-curling assembly comprises a hard layer, the hard layer is fixedly arranged on the top of the body paper layer and the top of the melamine impregnated paper, the hard layer comprises hemp paper, a plurality of reinforcing blocks are fixed in the hemp paper, the hemp paper is folded to form a plurality of grooves, and the reinforcing blocks are fixed in the grooves through adhesive layers respectively. The hemp paper in the hard layer is combined with the reinforcing blocks, so that the hardness and the strength of the hemp paper are improved, meanwhile, the moisture absorption layer absorbs moisture around the body paper layer, the interior of the body paper layer is prevented from absorbing water and being moist, the phenomenon that the periphery of the body paper layer tilts and curls when meeting water is avoided, and the service life of the hemp paper is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of impregnated paper, and concretely relates to an impregnated paper easy to attach and difficult to curl. BACKGROUND

[0002] The current impregnated paper is basically made of non-woven fabric wood pulp mixed with PE and plant fibers. It has super strong absorption and anti-dissolution capacity, and is also a very economical low particle separation paper towel, which is widely used in the veneering of cabinets, wardrobes and composite floors.

[0003] For example, the impregnated paper easy to attach and difficult to curl in Chinese patent application No. CN202323654716.7 includes an impregnated paper body, both sides of the impregnated paper body are provided with a mixed layer, the outer side of the mixed layer is provided with a wear-resistant layer, the wear-resistant layer is a rectangular box body, the mixed layer and the impregnated paper body are wrapped in the inner side of the wear-resistant layer, the wear-resistant layer is attached with a veneer layer on one side of the connecting material, each mixed layer has two layers, both layers are composed of alternately arranged leaf mud layers and activated carbon layers, and are arranged in horizontal and vertical directions respectively, the veneer layer is a melamine formaldehyde resin glue layer, a waterproof layer is arranged between the mixed layer and the wear-resistant layer, the wear-resistant layer and the waterproof layer are transparent layers, the activated carbon layer is composed of activated carbon with a particle size of 500 microns and activated carbon with a particle size of 50 microns, and the leaf mud layer is mixed with moisture-absorbing particles. The impregnated paper easy to attach and difficult to curl can increase the service life of the impregnated paper through the wear-resistant layer in the form of a rectangular box body on the outer side of the impregnated paper body, the wear-resistant layer in the form of a rectangular box body wraps the mixed layer and the impregnated paper body on the inner side, so that each layer is tightly attached, the impregnated paper is prevented from being placed in a harsh environment, and the condition that each layer is difficult to attach is avoided, the mixed layer is stably attached to the impregnated paper body by being wrapped on the inner side, and the service life of the impregnated paper is prolonged.

[0004] However, in actual use, the material at the edge position of the device is the same as that at the center position, when the edge position of the device is immersed in water, the material is soft and prone to warping, which may cause curling. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an impregnated paper easy to attach and difficult to curl, which combines the flax paper in the hard layer with the reinforcing block to increase the hardness and strength of the flax paper, and the moisture absorption layer absorbs the moisture around the original paper layer, so that the original paper layer is prevented from being wet and humid inside, the phenomenon that the original paper layer is warped and curled when it is exposed to water is avoided, the service life of the utility model is prolonged, and the problems in the background art can be effectively solved.

[0006] To achieve the above object, the utility model adopts the technical scheme of: an impregnated paper easy to attach and difficult to curl, comprising an original paper layer, and a melamine impregnated paper fixed on the outer layer of the original paper layer;

[0007] The original paper layer and the melamine impregnated paper top are fixed with the same anti-curling assembly to avoid curling of the melamine impregnated paper around when meeting water.

[0008] The anti-curling assembly comprises a hard layer, which is fixed on the top of the original paper layer and the melamine impregnated paper, and the hard layer comprises hemp paper, and a plurality of reinforcing blocks are fixed in the hemp paper.

[0009] Preferably, the hemp paper is folded to form a plurality of grooves, and the plurality of reinforcing blocks are fixed in the grooves through adhesive layers, so as to increase the hardness and strength of the hemp paper.

[0010] Preferably, the reinforcing blocks are made of nanocellulose, which has the advantages of high strength and high modulus, can significantly increase the density and hardness of the hemp paper, and avoid curling of the original paper layer around when meeting water.

[0011] Preferably, a waterproof layer is fixed on the top of the hard layer, and the waterproof layer is moisture-proof paper, which has certain moisture-proof capacity, so as to guarantee the waterproof performance of the original paper layer.

[0012] Preferably, the original paper layer and the melamine impregnated paper bottom are fixed with the same moisture absorption layer, and the bottom of the moisture absorption layer is fixed with an adhesive layer.

[0013] Preferably, the moisture absorption layer is water absorption paper, which can absorb moisture in the surrounding environment, reduce the humidity inside the original paper layer, and thus reduce the water permeation speed, and the adhesive layer and the adhesive layer are both butyl latex adhesive, which has good heat resistance and aging resistance, does not become sticky and soft even after aging, and the butyl latex is added with resin, which can improve the adhesive property of the butyl latex and the adhesion of the original paper layer.

[0014] Compared with the prior art, the impregnated paper provided by the utility model has the following beneficial effects:

[0015] 1、The hemp paper in the hard layer has the excellent characteristics of long fiber, thick pulp, tough paper and not easy to be brittle, and the reinforcing blocks made of nanocellulose are fixed on the hemp paper to increase the hardness and strength of the hemp paper, so as to avoid curling of the original paper layer around when meeting water, and prolong the service life of the utility model.

[0016] 2、The moisture absorption layer can absorb the moisture around the original paper layer to reduce the content of water, promote the evaporation of water, avoid moisture absorption of the original paper layer, and further avoid curling of the original paper layer around when meeting water, and prolong the service life of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the whole structure cross section view of the utility model;

[0019] Figure 3 It is the whole structure dismounting schematic view of the utility model;

[0020] Figure 4 It is the anti-curling assembly structure schematic view of the utility model.

[0021] In the drawing: 1 base paper layer, 2 melamine impregnated paper, 3 anti-curling assembly, 4 waterproof layer, 5 moisture absorption layer, 6 adhesive layer;

[0022] 31 hard layer, 32 jute paper, 33 reinforcing block. DETAILED DESCRIPTION

[0023] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further described in detail below with the accompanying drawings.

[0024] As Figures 1-4 Indicated, the utility model provides a kind of impregnated paper of easy to adhere and not easy to curl, including base paper layer 1, the outer layer of base paper layer 1 is fixed with melamine impregnated paper 2, melamine impregnated paper 2 is prepared by the impregnation of impregnation liquid that melamine formaldehyde resin, release agent, ethoxylated alkyl amine, alkyl sulfonic acid are mixed, can fully guarantee the integrity of base paper layer 1 and the toughness of base paper layer 1, prevent its cracking.

[0025] The base paper layer 1 and melamine impregnated paper 2 top are fixed with same anti-curling assembly 3, avoid melamine impregnated paper 2 around water warping, appear curling phenomenon, the anti-curling assembly 3 includes hard layer 31, the hard layer 31 is fixed on the top of base paper layer 1 and melamine impregnated paper 2, the hard layer 31 includes jute paper 32, jute paper 32 is a kind of strong and tough paper that mostly with jute, cloth head, broken main raw material production, the characteristics of jute paper 32 is fiber long, pulp coarse, paper quality tough, not easy to brittle, not easy to discolor.

[0026] Multiple reinforcing blocks 33 are fixed in the jute paper 32, the jute paper 32 is folded to form multiple grooves, and multiple reinforcing blocks 33 are fixed in multiple grooves by adhesive layer respectively, the reinforcing block 33 is made of nanocellulose, the reinforcing block 33 made of nanofiber has the advantages of high strength and high modulus, can increase the hardness and strength of jute paper 32, avoid base paper layer 1 around water curling warping.

[0027] The waterproof layer 4 is fixed on the top of the hard layer 31, and the waterproof layer 4 is moisture-proof paper.

[0028] The moisture absorption layer 5 is fixed on the bottom of the original paper layer 1 and the melamine impregnated paper 2, and the moisture absorption layer 5 is fixed on the bottom of the moisture absorption layer 5.

[0029] The hard layer 31 and the moisture-proof layer 32 are arranged, the hard layer 31 and the hemp paper 32 are fixed on the top of the original paper layer 1 and the melamine impregnated paper 2 in sequence, and the reinforcing block 33 can increase the hardness and the strength of the hemp paper 32, so that the original paper layer 1 is prevented from being curled and raised when being contacted with water, the phenomenon that the original paper layer 1 is curled and raised when being contacted with water is avoided, and the service life of the utility model is prolonged.

[0030] The moisture absorption paper in the moisture absorption layer 5 can absorb the moisture around the original paper layer 1, reduce the humidity in the original paper layer 1, reduce the water permeation speed, promote the volatilization of the moisture, prevent the original paper layer 1 from being wet and humid, the waterproof performance of the waterproof layer 4 is further combined, the phenomenon that the original paper layer 1 is curled and raised when being contacted with water is avoided, and the service life of the utility model is prolonged.

[0031] The basic principle and the main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and the scope of the utility model. The changes and the improvements all fall within the scope of the utility model.

Claims

1. An impregnated paper that is easy to apply and difficult to roll, comprising a base paper layer (1), characterized in that: The outer layer of the raw paper layer (1) is fixed with melamine impregnated paper (2); The top of the raw paper layer (1) and the melamine impregnated paper (2) is fixed with the same anti-curling assembly (3), which avoids the curling phenomenon of the melamine impregnated paper (2) around when encountering water. The anti-curling assembly (3) comprises a hard layer (31), which is fixed on the top of the raw paper layer (1) and the melamine impregnated paper (2), and the hard layer (31) comprises hemp paper (32), and a plurality of reinforcing blocks (33) are fixed in the hemp paper (32).

2. The impregnated paper of claim 1, wherein: The hemp paper (32) is folded to form a plurality of grooves, and the plurality of reinforcing blocks (33) are fixed in the grooves through the adhesive layer.

3. The impregnated paper of claim 1, wherein: The reinforcing block (33) is made of nanocellulose.

4. The impregnated paper of claim 1, wherein: The top of the hard layer (31) is fixed with a waterproof layer (4), which is moisture-proof paper.

5. The impregnated paper of claim 2, wherein: The bottom of the raw paper layer (1) and the melamine impregnated paper (2) is fixed with the same moisture absorption layer (5), and the bottom of the moisture absorption layer (5) is fixed with an adhesive layer (6).

6. The impregnated paper of claim 5, wherein: The moisture absorption layer (5) is water absorption paper, and the adhesive layer and the adhesive layer (6) are both butadiene-styrene latex adhesive.

Citation Information

Patent Citations

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