Corrugated paper with flame retardant effect

By applying flame-retardant layers of tungsten carbide, alumina, polyvinyl chloride, and polytetrafluoroethylene coatings to the face and back papers of corrugated paper, the problem of poor fire resistance of corrugated paper is solved, achieving multi-layer flame-retardant protection and improving overall fire resistance.

CN223951516UActive Publication Date: 2026-02-27DONGGUAN JINBO PAPER CO LTD
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Patent Information

Application Number
CN202520344662.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-01
Publication Date
2026-02-27
Estimated Expiration
2035-03-01

AI Technical Summary

Technical Problem

Existing corrugated paper lacks flame-retardant protection mechanisms, resulting in poor fire resistance and reduced safety during use.

Method used

An upper flame-retardant layer and a lower flame-retardant layer are respectively applied to the face paper and the back paper of the corrugated paper. These layers are composed of tungsten carbide coating, alumina coating, polyvinyl chloride coating and polytetrafluoroethylene coating, respectively, providing multi-layer flame-retardant protection.

Benefits of technology

By setting multiple flame-retardant layers, the fire resistance of corrugated paper is significantly improved, and the flame-retardant protection of the face paper and back paper is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses corrugated paper with a flame-retardant effect, which comprises a corrugated paper body, the corrugated paper body comprises core paper, surface paper is arranged at the top of the core paper, an upper flame-retardant layer is arranged at the top of the surface paper, the upper flame-retardant layer comprises a tungsten carbide coating and an aluminum oxide coating, bottom paper is arranged at the bottom of the core paper, and a flame-retardant layer is arranged at the bottom of the bottom paper. A lower flame-retardant layer is arranged at the bottom of the bottom paper and comprises a polyvinyl chloride coating and a polytetrafluoroethylene coating, the tungsten carbide coating is coated at the top of the surface paper, the aluminum oxide coating is coated at the top of the tungsten carbide coating, and the thickness of the tungsten carbide coating is the same as that of the aluminum oxide coating. The upper flame-retardant layer is arranged, the aluminum oxide coating contained in the upper flame-retardant layer can be used for carrying out first-layer flame-retardant protection treatment on the surface paper, and the tungsten carbide coating can be used for carrying out second-layer flame-retardant protection treatment on the surface paper after the aluminum oxide coating is damaged, so that the overall fire resistance of the surface paper is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated paper technical field, concretely is a kind of corrugated paper with flame-retardant effect. BACKGROUND

[0002] Corrugated paper is by glazed paper and the corrugated paper adhered to the plate-shaped object formed by wave-shaped corrugated roller processing, generally divided into single corrugated paperboard and double corrugated paperboard two categories, but the existing corrugated paper due to lack of flame-retardant protection mechanism, leading to overall poor fire resistance, thereby reduce its use safety, for this, we propose a kind of corrugated paper with flame-retardant effect. SUMMARY

[0003] The utility model discloses a kind of corrugated paper with flame-retardant effect, to solve the problem raised in above-mentioned background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of corrugated paper with flame-retardant effect, including corrugated paper body, the corrugated paper body includes core paper, and the top of core paper is provided with face paper, the top of face paper is provided with upper flame-retardant layer, and upper flame-retardant layer includes tungsten carbide coating and alumina coating, the bottom of core paper is provided with bottom paper, the bottom of bottom paper is provided with lower flame-retardant layer, and lower flame-retardant layer includes polyvinyl chloride coating and polytetrafluoroethylene coating.

[0005] Preferably, the tungsten carbide coating is coated on the top of the face paper, and the alumina coating is coated on the top of the tungsten carbide coating.

[0006] Preferably, the tungsten carbide coating and the alumina coating have the same thickness, and the thickness of the alumina coating is 150 to 250 microns.

[0007] Preferably, the polytetrafluoroethylene coating is coated on the bottom of the bottom paper, and the polyvinyl chloride coating is coated on the bottom of the polytetrafluoroethylene coating.

[0008] Preferably, the polyvinyl chloride coating and the polytetrafluoroethylene coating have the same thickness, and the thickness of the polyvinyl chloride coating is 100 to 300 microns.

[0009] Compared with the prior art, the utility model has the beneficial effects as follows:

[0010] 1、The utility model is provided with an upper flame-retardant layer, which includes an alumina coating that can provide first layer flame-retardant protection to the face paper, and a tungsten carbide coating that can provide second layer flame-retardant protection to the face paper after the alumina coating is damaged, thereby effectively improving the overall fire resistance of the face paper.

[0011] 2, The utility model discloses set up lower fire -retardant layer, its including polyvinyl chloride coating can carry out first layer fire -retardant protection processing to base paper, and polytetrafluoroethylene coating can carry out second layer fire -retardant protection processing to base paper after polyvinyl chloride coating damage, thereby effectively improve the fireproofness of base paper whole. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic drawing of the utility model;

[0013] Figure 2 It is the structure schematic drawing of the upper fire -retardant layer of the utility model;

[0014] Figure 3 It is the structure schematic drawing of the lower fire -retardant layer of the utility model.

[0015] In the drawing: corrugated paper body 1, core paper 11, upper fire -retardant layer 12, tungsten carbide coating 121, alumina coating 122, face paper 13, base paper 14, lower fire -retardant layer 15, polyvinyl chloride coating 151 and polytetrafluoroethylene coating 152. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts are within the protection scope of the utility model.

[0017] The corrugated paper body 1, core paper 11, upper fire -retardant layer 12, tungsten carbide coating 121, alumina coating 122, face paper 13, base paper 14, lower fire -retardant layer 15, polyvinyl chloride coating 151 and polytetrafluoroethylene coating 152 parts of the application are all general standard parts or parts known to the person skilled in the art, and the structure and principle thereof are all known to the person skilled in the art through technical manual or through conventional experimental method. Embodiment one:

[0018] Please refer to Figure 1 And Figure 2The utility model provides a corrugated paper body 1, the corrugated paper body 1 includes core paper 11, and the top of core paper 11 is provided with face paper 13, the top of face paper 13 is provided with upper fire -retardant layer 12, and upper fire -retardant layer 12 includes tungsten carbide coating 121 and alumina coating 122, tungsten carbide coating 121 is coated in the top of face paper 13, and alumina coating 122 is coated in the top of tungsten carbide coating 121, and the thickness of tungsten carbide coating 121 and alumina coating 122 is same, and the thickness of alumina coating 122 is one hundred and fifty to two hundred and fifty microns, and alumina coating 122 can carry out first layer fire -retardant protection processing to face paper 13, and tungsten carbide coating 121 can carry out second layer fire -retardant protection processing to face paper 13 after alumina coating 122 is damaged, thereby effectively improve the fire resistance of face paper 13 as a whole. Embodiment two:

[0019] Please refer to Figure 1 And Figure 3 The utility model provides a corrugated paper body 1, the corrugated paper body 1 includes core paper 11, and the top of core paper 11 is provided with face paper 13, the top of face paper 13 is provided with upper fire -retardant layer 12, and upper fire -retardant layer 12 includes tungsten carbide coating 121 and alumina coating 122, tungsten carbide coating 121 is coated in the top of face paper 13, and alumina coating 122 is coated in the top of tungsten carbide coating 121, and the thickness of tungsten carbide coating 121 and alumina coating 122 is same, and the thickness of alumina coating 122 is one hundred and fifty to two hundred and fifty microns, and alumina coating 122 can carry out first layer fire -retardant protection processing to face paper 13, and tungsten carbide coating 121 can carry out second layer fire -retardant protection processing to face paper 13 after alumina coating 122 is damaged, thereby effectively improve the fire resistance of face paper 13 as a whole.

[0020] The utility model discloses a corrugated paper body 1, the corrugated paper body 1 includes core paper 11, and the top of core paper 11 is provided with face paper 13, the top of face paper 13 is provided with upper fire -retardant layer 12, and upper fire -retardant layer 12 includes tungsten carbide coating 121 and alumina coating 122, tungsten carbide coating 121 is coated in the top of face paper 13, and alumina coating 122 is coated in the top of tungsten carbide coating 121, and the thickness of tungsten carbide coating 121 and alumina coating 122 is same, and the thickness of alumina coating 122 is one hundred and fifty to two hundred and fifty microns, and alumina coating 122 can carry out first layer fire -retardant protection processing to face paper 13, and tungsten carbide coating 121 can carry out second layer fire -retardant protection processing to face paper 13 after alumina coating 122 is damaged, thereby effectively improve the fire resistance of face paper 13 as a whole.

[0021] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A type of corrugated paper with flame-retardant properties, comprising a corrugated paper body (1), characterized in that: The corrugated paper body (1) includes a core paper (11), and a face paper (13) is provided on the top of the core paper (11). An upper flame retardant layer (12) is provided on the top of the face paper (13), and the upper flame retardant layer (12) includes a tungsten carbide coating (121) and an alumina coating (122). A bottom paper (14) is provided at the bottom of the core paper (11), and a lower flame retardant layer (15) is provided at the bottom of the bottom paper (14), and the lower flame retardant layer (15) includes a polyvinyl chloride coating (151) and a polytetrafluoroethylene coating (152).

2. The corrugated paper with flame-retardant effect according to claim 1, characterized in that: The tungsten carbide coating (121) is applied to the top of the face paper (13), and the aluminum oxide coating (122) is applied to the top of the tungsten carbide coating (121).

3. The corrugated paper with flame-retardant effect according to claim 1, characterized in that: The tungsten carbide coating (121) and the alumina coating (122) have the same thickness, and the thickness of the alumina coating (122) is between 150 and 250 micrometers.

4. The corrugated paper with flame-retardant effect according to claim 1, characterized in that: The polytetrafluoroethylene coating (152) is applied to the bottom of the backing paper (14), and the polyvinyl chloride coating (151) is applied to the bottom of the polytetrafluoroethylene coating (152).

5. The corrugated paper with flame-retardant effect according to claim 1, characterized in that: The polyvinyl chloride coating (151) and the polytetrafluoroethylene coating (152) have the same thickness, and the thickness of the polyvinyl chloride coating (151) is between one hundred and three hundred micrometers.