High-strength glass fiber reinforced fabric structure for epoxy prepreg

Through multi-layer structural design, the problem of poor residual effect of high-strength glass fiber reinforced fabrics for epoxy prepreg during prepreg is solved, thereby improving the quality and functionality of the fabric, extending its service life and enhancing its insulation, explosion-proof, moisture-proof and flame-retardant capabilities.

CN224044766UActive Publication Date: 2026-03-27CHANGZHOU ZHONGJIE COMPOSITES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the prior art, epoxy prepregs reinforced with high-strength glass fiber have poor residual effect during prepreg, resulting in reduced fabric quality and functionality.

Method used

It adopts a multi-layer structure design, including an impregnation layer, an anti-oxidation layer, an abrasion-resistant layer, a braided reinforcement layer, a current insulation layer, an explosion-proof layer, a moisture-proof layer, and a flame-retardant layer, etc., and improves the prepreg quality and functionality of the fabric through interlayer bonding.

Benefits of technology

It improves the prepreg quality of the fabric, extends its service life, enhances its insulation, explosion-proof, moisture-proof and flame-retardant capabilities, and improves the practicality of the fabric.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of glass fiber reinforced fabrics, and particularly relates to a high-strength glass fiber reinforced fabric structure for epoxy prepreg, which comprises an impregnation layer, anti-oxidation layers fixedly arranged at two ends of the impregnation layer, wear-resistant layers fixedly arranged at two ends of the anti-oxidation layers, and a high-strength glass fiber reinforced fabric layer. The weaving reinforcing layer is fixedly arranged at the top end of the interior of the impregnation layer, the anti-oxidation layer is connected through the impregnation layer, then the wear-resistant layer is connected through the anti-oxidation layer, then the weaving reinforcing layer is arranged through the impregnation layer, and when the fabric is subjected to epoxy preimpregnation, the impregnation layer is used for absorbing epoxy impregnated materials, so that the anti-oxidation performance of the fabric is improved. According to the fabric pre-impregnation technology, the quality of the fabric after pre-impregnation can be improved, then the fabric is prevented from being oxidized by ultraviolet rays under the action of the anti-oxidation layer, then the wear resistance of the surface of the fabric is improved through the wear-resistant layer, and through cooperative use of the impregnation layer, the anti-oxidation layer and the weaving reinforcement layer, the quality of the fabric after pre-impregnation is improved, and the service life of the fabric is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to glass fiber reinforced fabric technical field especially relates to a kind of high-strength glass fiber reinforced fabric structures for epoxy prepreg. BACKGROUND

[0002] The high-strength glass fiber reinforced fabric structure for epoxy prepreg mainly refers to impregnating high-strength glass fiber fabric in epoxy resin to make prepreg. This structure is widely used in the field of aerospace and wind turbine blades because it has excellent strength-to-weight ratio, corrosion resistance and fatigue performance. When the fabric is pre-impregnated, the fabric material has poor residual effect on the prepreg, resulting in poor effect after fabric pre-impregnation, thereby reducing the quality of the fabric after production. Therefore, a high-strength glass fiber reinforced fabric structure for epoxy prepreg is proposed.

[0003] For example, the Chinese patent with the authorization announcement number CN202078807U discloses a bulk glass fiber woven filter material, which is woven into fabric by warp yarn and weft yarn and then impregnated with a film layer. The fabric is woven by twill weft two-layer weaving method. The warp yarn is glass fiber continuous yarn. The weft yarn is glass fiber bulk yarn and glass fiber continuous yarn. The film layer is formed by first impregnating a film forming agent and then impregnating a fluorine-containing oil-repellent waterproof agent. The glass fiber continuous yarn is high-strength glass fiber produced by using textile reinforcing type impregnant.

[0004] The prior art document has the following problems:

[0005] The prior art document has some disadvantages when in use, such as: when the fabric is pre-impregnated, the fabric material has poor residual effect on the prepreg, resulting in poor effect after fabric pre-impregnation, thereby reducing the quality of the fabric after production. Moreover, the fabric has single functionality when in use, thereby reducing the practicality of the fabric. In view of this, a high-strength glass fiber reinforced fabric structure for epoxy prepreg is proposed. INVENTION CONTENTS

[0006] The utility model aims at the above-mentioned technical problems, and provides a high-strength glass fiber reinforced fabric structure for epoxy prepreg, which improves the quality of fabric pre-impregnation and the functionality of the fabric.

[0007] The utility model provides a kind of high-strength glass fiber reinforced fabric structure for epoxy prepreg, including impregnation layer, further comprising: the both ends of the impregnation layer are fixedly provided with oxidation-resistant layer, the both ends of the oxidation-resistant layer are fixedly provided with wear-resistant layer, the top of the inside of the impregnation layer is fixedly provided with braided reinforcement layer, the bottom of the braided reinforcement layer is fixed with firm layer, the bottom of the firm layer is fixedly installed with current insulation layer, the bottom of the current insulation layer is fixedly provided with explosion-proof layer, the bottom of the explosion-proof layer is fixedly provided with moisture-proof layer, the bottom of the moisture-proof layer is fixedly installed with flame-retardant layer.

[0008] Based on the above structure, by the cooperation of impregnation layer, oxidation-resistant layer and braided reinforcement layer, the quality of the fabric after pre-impregnation is increased and the service life of the fabric is improved. The fabric has insulation capability by using current insulation layer, then the fabric has explosion-proof capability by using explosion-proof layer, then the fabric has moisture-proof capability by using moisture-proof layer, and then the fabric has flame-retardant capability by using flame-retardant layer, thereby improving the functionality and practicality of the fabric.

[0009] Preferably, the bottom of the inside of the impregnation layer is fixedly provided with anti-cracking layer. The anti-cracking layer prevents the fabric from breaking due to alternating cold and heat.

[0010] Preferably, the bottom of the flame-retardant layer is fixedly provided with heat insulation layer, and the bottom of the heat insulation layer is fixedly provided with waterproof and breathable layer. The heat insulation layer improves the heat insulation capability of the fabric, and then the waterproof and breathable layer increases the air permeability of the fabric.

[0011] Preferably, the inside of the firm layer is filled with resin filler, and the bottom of the firm layer is fixedly provided with flat and inclined layer. The resin filler increases the stability of the firm layer structure.

[0012] Preferably, the flat and inclined layer is formed by mechanically hooking flat and inclined weaves. The flat and inclined layer increases the stability of the fabric structure.

[0013] The utility model has the advantages of:

[0014] 1. A high-strength glass fiber reinforced fabric structure for epoxy prepreg, the oxidation-resistant layer is connected and arranged by the impregnation layer, then the wear-resistant layer is connected and arranged by the oxidation-resistant layer, and then the braided reinforcement layer is arranged by the impregnation layer. When the fabric is pre-impregnated with epoxy, the impregnation layer absorbs the epoxy impregnation, which increases the quality of the fabric after pre-impregnation. Then, the oxidation-resistant layer prevents the fabric from being oxidized by ultraviolet light. Then, the wear-resistant layer increases the wear resistance of the fabric surface. The cooperation of the impregnation layer, the oxidation-resistant layer and the braided reinforcement layer increases the quality of the fabric after pre-impregnation and improves the service life of the fabric.

[0015] 2. A high-strength glass fiber reinforced fabric structure for epoxy prepreg, the explosion-proof layer is connected and arranged through the current insulation layer, then the moisture-proof layer is connected and arranged through the explosion-proof layer, then the flame-retardant layer is connected and arranged through the moisture-proof layer, then the fabric has the insulation ability by using the current insulation layer, then the explosion-proof ability of the fabric is increased by using the explosion-proof layer, then the moisture-proof ability of the fabric is increased by using the moisture-proof layer, then the fabric has the ability to prevent combustion by using the flame-retardant layer, so that the functionality of the fabric is improved, and the practicability of the fabric is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole perspective view of the utility model;

[0017] Figure 2 It is a whole structure schematic view of the utility model;

[0018] Figure 3 It is a partial perspective view of the impregnation layer in the utility model;

[0019] Figure 4 It is a partial structure schematic view of the current insulation layer in the utility model;

[0020] Figure 5 It is a partial structure schematic view of the stable layer in the utility model.

[0021] The marks in the drawing are:

[0022] 1, impregnation layer; 101, antioxidant layer; 102, wear-resistant layer; 103, braided reinforcing layer; 104, anti-cracking layer; 2, current insulation layer; 201, explosion-proof layer; 202, moisture-proof layer; 203, flame-retardant layer; 204, heat insulation layer; 205, waterproof and breathable layer; 3, stable layer; 301, resin filler; 302, flat and inclined layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] The embodiment of the application discloses a high-strength glass fiber reinforced fabric structure for epoxy prepreg, please refer to Figures 1-5The impregnation layer 1 further comprises: an oxidation-resistant layer 101 fixedly arranged at both ends of the impregnation layer 1, a wear-resistant layer 102 fixedly arranged at both ends of the oxidation-resistant layer 101, a woven reinforcing layer 103 fixedly arranged at the top end inside the impregnation layer 1, a stable layer 3 fixedly arranged at the bottom of the woven reinforcing layer 103, a current insulation layer 2 fixedly arranged at the bottom of the stable layer 3, an explosion-proof layer 201 fixedly arranged at the bottom of the current insulation layer 2, a moisture-proof layer 202 fixedly arranged at the bottom of the explosion-proof layer 201, and a fire-retardant layer 203 fixedly arranged at the bottom of the moisture-proof layer 202.

[0025] Based on the above structure, the oxidation-resistant layer 101 is connected and arranged through the impregnation layer 1, the wear-resistant layer 102 is connected and arranged through the oxidation-resistant layer 101, and the woven reinforcing layer 103 is arranged through the impregnation layer 1. When the fabric is pre-impregnated with epoxy, the impregnation layer 1 can absorb the epoxy impregnation to increase the quality of the pre-impregnated fabric. Then, the oxidation-resistant layer 101 prevents the fabric from being oxidized by ultraviolet light. Then, the wear-resistant layer 102 increases the wear resistance of the fabric surface. Through the cooperation of the impregnation layer 1, the oxidation-resistant layer 101, and the woven reinforcing layer 103, the quality of the pre-impregnated fabric is increased, and the service life of the fabric is improved. The explosion-proof layer 201 is connected and arranged through the current insulation layer 2, the moisture-proof layer 202 is connected and arranged through the explosion-proof layer 201, and the fire-retardant layer 203 is connected and arranged through the moisture-proof layer 202. Then, the fabric has insulation ability through the current insulation layer 2. Then, the explosion-proof ability of the fabric is increased through the explosion-proof layer 201. Then, the moisture-proof ability of the fabric is increased through the moisture-proof layer 202. Then, the fabric has the ability to prevent combustion through the fire-retardant layer 203. Thus, the functionality of the fabric is improved, and the practicality of the fabric is improved.

[0026] In one embodiment, the bottom end inside the impregnation layer 1 is fixedly arranged with an anti-cracking layer 104.

[0027] Specifically, the anti-cracking layer 104 is connected and arranged through the impregnation layer 1.

[0028] In this embodiment, the anti-cracking layer 104 prevents the fabric from cracking when subjected to alternating cold and heat.

[0029] In one embodiment, the bottom of the fire-retardant layer 203 is fixedly arranged with a heat-insulating layer 204, and the bottom of the heat-insulating layer 204 is fixedly arranged with a waterproof and breathable layer 205.

[0030] Specifically, the heat-insulating layer 204 is arranged through the fire-retardant layer 203, and the waterproof and breathable layer 205 is arranged through the heat-insulating layer 204.

[0031] In the embodiment, the heat insulation layer 204 is used to increase the heat insulation capacity of the fabric, and then the waterproof and breathable layer 205 is used to increase the waterproof and breathable capacity of the fabric.

[0032] In one of the embodiments, the inside of the stabilizing layer 3 is filled with the resin filler 301, and the bottom of the stabilizing layer 3 is fixedly provided with the flat and inclined layer 302.

[0033] Specifically, the stabilizing layer 3 is filled with the resin filler 301.

[0034] In the embodiment, the resin filler 301 is used in cooperation with the stabilizing layer 3 to increase the stability of the fabric structure.

[0035] In one of the embodiments, the flat and inclined layer 302 is formed by mechanically hooking flat and inclined weaves.

[0036] Specifically, the flat and inclined layer 302 is provided by the stabilizing layer 3.

[0037] In the embodiment, the flat and inclined layer 302 is formed by mechanically hooking flat and inclined weaves to increase the stability of the fabric structure.

[0038] In use, the epoxy prepreg high-strength glass fiber reinforced fabric structure of the embodiment is connected and provided as follows: the oxidation-resistant layer 101 is connected and provided by the impregnation layer 1, the wear-resistant layer 102 is connected and provided by the oxidation-resistant layer 101, the woven reinforcement layer 103 is provided by the impregnation layer 1, the anti-cracking layer 104 is connected and provided by the impregnation layer 1, the explosion-proof layer 201 is connected and provided by the current insulation layer 2, the moisture-proof layer 202 is connected and provided by the explosion-proof layer 201, the fire-retardant layer 203 is connected and provided by the moisture-proof layer 202, the heat insulation layer 204 is provided by the fire-retardant layer 203, the waterproof and breathable layer 205 is provided by the heat insulation layer 204, the stabilizing layer 3 is filled with the resin filler 301, and the flat and inclined layer 302 is provided by the stabilizing layer 3.

[0039] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-strength glass fiber reinforcing fabric structure for epoxy prepreg, comprising an impregnation layer (1), characterized in that, Also include: Both ends of the impregnation layer (1) are fixedly provided with an oxidation-resistant layer (101), both ends of the oxidation-resistant layer (101) are fixedly provided with a wear-resistant layer (102), the top end inside the impregnation layer (1) is fixedly provided with a woven reinforcing layer (103), the bottom of the woven reinforcing layer (103) is fixedly provided with a stable layer (3), the bottom of the stable layer (3) is fixedly installed with a current insulation layer (2), the bottom of the current insulation layer (2) is fixedly provided with an explosion-proof layer (201), the bottom of the explosion-proof layer (201) is fixedly provided with a moisture-proof layer (202), and the bottom of the moisture-proof layer (202) is fixedly installed with a flame-retardant layer (203).

2. A high-strength glass fiber reinforcing fabric structure for epoxy prepreg according to claim 1, characterized in that: The bottom end inside the impregnation layer (1) is fixedly provided with a crack-resistant layer (104).

3. A high-strength glass fiber reinforcing fabric structure for epoxy prepreg according to claim 1, characterized in that: The bottom of the flame-retardant layer (203) is fixedly provided with a heat insulation layer (204), and the bottom of the heat insulation layer (204) is fixedly provided with a waterproof and breathable layer (205).

4. A high-strength glass fiber reinforcing fabric structure for epoxy prepreg according to claim 1, characterized in that: The inside of the stable layer (3) is filled with a resin filler (301), and the bottom of the stable layer (3) is fixedly provided with a flat and inclined layer (302).

5. A high-strength glass fiber reinforcing fabric structure for epoxy prepreg according to claim 4, characterized in that: The flat and inclined layer (302) is made of mechanical hooking of flat and inclined weaves.

Citation Information

Patent Citations

  • Bulk glass fiber weaving filter material

    CN202078807U