Composite flame-retardant epoxy resin plate

Abstract

The utility model discloses a composite flame -retardant epoxy resin board belongs to epoxy resin board technical field, including board main part, the board main part includes glass fiber resin base, one side of glass fiber resin base is pasted with the reinforcing layer, the other side of reinforcing layer is pasted with main flame -retardant layer, the other side of main flame -retardant layer is pasted with insulating flame -retardant layer, and glass fiber resin base, reinforcing layer, main flame -retardant layer and insulating flame -retardant layer are penetrated and fastened with fastening rivet, the outer wall of glass fiber resin base, reinforcing layer, main flame -retardant layer, insulating flame -retardant layer and fastening rivet is wrapped with organic silicon high temperature resistant paint layer. Through the setting of multilayer composite flame -retardant structure, make the glass fiber resin board give consideration to high -efficient flame -retardant efficiency simultaneously, ensure its mechanical property, set up array type anchoring structure simultaneously, effectively avoid the multilayer composite structure of its delamination situation appears because of high temperature, improve its high temperature state board body's stability.

Description

Technical Field

[0001] This utility model relates to the field of epoxy resin board technology, specifically a composite flame-retardant epoxy resin board. Background Technology

[0002] Epoxy resin boards are board products made of epoxy resin, also known as insulation boards. The main components of epoxy resin boards include epoxy resin, curing agents, etc., and they are made into composite materials by adding auxiliary materials such as fillers. Among them, glass fiber resin boards are a type of composite epoxy resin board material composed of glass fiber and resin matrix.

[0003] Existing fiberglass resin boards have a certain flame-retardant effect, but their single-layer flame-retardant structure cannot achieve high flame-retardant efficiency. At the same time, when the composite layer material is baked at high temperature, the layers are prone to delamination, which reduces the integrity of the board and its flame-retardant effect.

[0004] Therefore, this utility model provides a composite flame-retardant epoxy resin board to solve the above problems. Utility Model Content

[0005] This utility model provides a composite flame-retardant epoxy resin board, which aims to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a composite flame-retardant epoxy resin board, comprising a board body, the board body comprising a fiberglass resin matrix, a reinforcing layer attached to one side of the fiberglass resin matrix, a main flame-retardant layer attached to the other side of the reinforcing layer, an insulating flame-retardant layer attached to the other side of the main flame-retardant layer, and a fastening rivet passing through and fastening the fiberglass resin matrix, the reinforcing layer, the main flame-retardant layer, and the insulating flame-retardant layer, and the outer walls of the fiberglass resin matrix, the reinforcing layer, the main flame-retardant layer, the insulating flame-retardant layer, and the fastening rivet being coated with an organosilicon high-temperature resistant paint layer.

[0007] As a preferred technical solution of this application, a first stepped hole is formed at the bottom of the glass fiber resin matrix, and a second stepped hole is formed on the upper surface of the insulating flame retardant layer.

[0008] As a preferred technical solution of this application, the reinforcing layer and the main flame retardant layer are perforated with through holes at the corresponding first step hole and second step hole, and the through holes, the first step hole and the second step hole are coaxially distributed.

[0009] As a preferred technical solution of this application, both the upper and lower ends of the fastening rivet are provided with stepped abutment joints, and the stepped abutment joints are respectively engaged with the interior of the first stepped hole and the second stepped hole, and the upper and lower ends of the fastening rivet are respectively on the same horizontal plane as the surface of the glass fiber resin matrix and the insulating flame retardant layer.

[0010] As a preferred technical solution of this application, the reinforcing layer is basalt fiber mesh, the main flame retardant layer is a mixture of microencapsulated ammonium polyphosphate, zinc borate nanorods and hollow glass microspheres, and the mixing ratio of the mixture of microencapsulated ammonium polyphosphate, zinc borate nanorods and hollow glass microspheres is 20%, 5% and 8%, and the insulating flame retardant layer is an epoxy resin layer containing 10%-15% boron nitride nanosheets.

[0011] As a preferred technical solution of this application, a decorative layer is attached to one side of the silicone high-temperature resistant paint layer, and a balancing layer is attached to the other side of the silicone high-temperature resistant paint layer, and both the decorative layer and the balancing layer are made of melamine impregnated paper.

[0012] The beneficial effects of this application are as follows: the utility model greatly improves the flame retardant efficiency of the fiberglass resin board by setting a multi-layer composite flame retardant structure, while ensuring its mechanical properties. At the same time, the array-type anchoring structure effectively avoids the delamination of the multi-layer composite structure due to high temperature, thus improving the stability of the board under high temperature conditions. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the exploded structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the explosive structure of the fastening rivet of this utility model;

[0015] Figure 3 This is a schematic diagram of the exploded structure of the composite flame-retardant structure of this utility model;

[0016] Figure 4 This is a cross-sectional view of the fastening rivet of this utility model;

[0017] Figure 5 This is a schematic diagram of the overall structure of the present utility model.

[0018] In the picture:

[0019] 1. Main body of the board; 11. Fiberglass resin matrix; 12. Reinforcing layer; 13. Main flame retardant layer; 14. Insulating flame retardant layer; 15. Fastening rivets; 16. Organosilicon high-temperature resistant paint layer; 2. Finishing layer; 3. Balancing layer. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figure 1-5 As shown, this utility model provides a composite flame-retardant epoxy resin board, including a board body 1. The board body 1 includes a glass fiber resin matrix 11. A reinforcing layer 12 is attached to one side of the glass fiber resin matrix 11, a main flame-retardant layer 13 is attached to the other side of the reinforcing layer 12, and an insulating flame-retardant layer 14 is attached to the other side of the main flame-retardant layer 13. Fastening rivets 15 pass through and fasten the glass fiber resin matrix 11, reinforcing layer 12, main flame-retardant layer 13, and insulating flame-retardant layer 14. The outer walls of the glass fiber resin matrix 11, reinforcing layer 12, main flame-retardant layer 13, insulating flame-retardant layer 14, and fastening rivets 15 are covered with an organosilicon high-temperature resistant paint layer 16. The flame-retardant layer 14 together constitutes a composite flame-retardant structure. Through the setting of its composite flame-retardant structure, its high-efficiency flame retardancy is improved, while avoiding the excessive addition of flame retardants to the glass fiber resin matrix 11, which would lead to increased material brittleness. Thus, the plate can achieve both high flame-retardant efficiency and ensure its mechanical properties. At the same time, the composite flame-retardant structure is anchored to the glass fiber resin matrix 11 by fastening rivets 15, which effectively avoids the phenomenon of high-temperature delamination. Furthermore, the glass fiber resin matrix 11, reinforcing layer 12, main flame-retardant layer 13 and insulating flame-retardant layer 14 use plasma-treated aramid nanofibers as bridging materials, and the fiber surface is coated with siloxane coupling agent to ensure the bonding strength between layers.

[0022] Furthermore, a first stepped hole is formed at the bottom of the fiberglass resin matrix 11, and a second stepped hole is formed on the upper surface of the insulating flame retardant layer 14. Through holes are formed in the reinforcing layer 12 and the main flame retardant layer 13 corresponding to the first and second stepped holes, and the through holes, the first stepped hole and the second stepped hole are coaxially distributed. After the fiberglass resin matrix 11, the reinforcing layer 12, the main flame retardant layer 13 and the insulating flame retardant layer 14 are bonded and formed, drilling is performed.

[0023] Furthermore, both the upper and lower ends of the fastening rivet 15 are provided with stepped abutment joints, which are engaged with the interior of the first stepped hole and the second stepped hole respectively. The upper and lower ends of the fastening rivet 15 are respectively at the same level as the surface of the fiberglass resin matrix 11 and the insulating flame retardant layer 14. After the fiberglass resin matrix 11, the reinforcing layer 12, the main flame retardant layer 13 and the insulating flame retardant layer 14 are bonded and formed by drilling, the fastening rivet 15 is anchored. At the same time, it is ensured that both ends of the fastening rivet 15 are at the same level as the surface of the fiberglass resin matrix 11 and the insulating flame retardant layer 14, which facilitates the painting treatment of the external high-temperature resistant silicone paint layer 16.

[0024] Furthermore, the reinforcing layer 12 is a basalt fiber mesh fabric. The basalt mesh fabric is based on basalt fiber woven fabric and coated with a polymer anti-emulsion, thus possessing good alkali resistance, flexibility, and high tensile strength in both warp and weft directions. The reinforcing layer 12 is used to reinforce the glass fiber resin matrix 11. The main flame retardant layer 13 is a mixture of microencapsulated ammonium polyphosphate, zinc borate nanorods, and hollow glass microspheres, with a mixing ratio of 20%, 5%, and 8%. The fusion of these composite materials ensures its flame retardant performance, while also exhibiting good environmental performance. Even when combustion occurs at ultra-high temperatures, this composite flame retardant structure can significantly reduce smoke generation during combustion. The insulating flame retardant layer 14 is an epoxy resin layer containing 10%-15% boron nitride nanosheets. The boron nitride nanosheets have excellent mechanical properties, and their addition improves the material's wear resistance and friction performance.

[0025] Furthermore, a decorative layer 2 is attached to one side of the silicone high-temperature resistant paint layer 16, and a balancing layer 3 is attached to the other side of the silicone high-temperature resistant paint layer 16. Both the decorative layer 2 and the balancing layer 3 are made of melamine impregnated paper. Melamine impregnated paper can be printed with various patterns and designs to provide rich decorative effects and meet different design needs.

[0026] Working principle: First, the reinforcing layer 12, the main flame retardant layer 13, and the insulating flame retardant layer 14 are bonded together. Then, holes are drilled in the composite of the bonded fiberglass resin matrix 11, the reinforcing layer 12, the main flame retardant layer 13, and the insulating flame retardant layer 14. After drilling, the fastening rivets 15 are used for anchoring and reinforcement. After the fastening rivets 15 are anchored, the outer wall of the composite material is painted. Finally, the finishing layer 2 and the balancing layer 3 are hot-pressed and bonded on both sides of the silicone high-temperature resistant paint layer 16.

[0027] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A composite flame-retardant epoxy resin plate, characterized by: The material includes a board body (1), which includes a glass fiber resin matrix (11). A reinforcing layer (12) is attached to one side of the glass fiber resin matrix (11), a main flame retardant layer (13) is attached to the other side of the reinforcing layer (12), and an insulating flame retardant layer (14) is attached to the other side of the main flame retardant layer (13). Fastening rivets (15) are inserted between the glass fiber resin matrix (11), the reinforcing layer (12), the main flame retardant layer (13), and the insulating flame retardant layer (14). The outer walls of the glass fiber resin matrix (11), the reinforcing layer (12), the main flame retardant layer (13), the insulating flame retardant layer (14), and the fastening rivets (15) are covered with an organosilicon high-temperature resistant paint layer (16).

2. The composite flame-retardant epoxy resin plate according to claim 1, characterized by: The bottom of the fiberglass resin matrix (11) is provided with a first stepped hole, and the upper surface of the insulating flame retardant layer (14) is provided with a second stepped hole.

3. The composite flame-retardant epoxy resin plate according to claim 2, characterized by: The reinforcing layer (12) and the main flame retardant layer (13) have through holes at the corresponding first step hole and second step hole, and the through holes, the first step hole and the second step hole are coaxially distributed.

4. The composite flame-retardant epoxy resin board according to claim 3, characterized in that: Both ends of the fastening rivet (15) are provided with stepped abutment joints, and the stepped abutment joints are engaged with the interior of the first stepped hole and the second stepped hole respectively. The upper and lower ends of the fastening rivet (15) are respectively on the same horizontal plane as the surface of the glass fiber resin matrix (11) and the insulating flame retardant layer (14).

5. The composite flame-retardant epoxy resin board according to claim 4, characterized in that: A decorative layer (2) is attached to one side of the silicone high-temperature resistant paint layer (16), and a balancing layer (3) is attached to the other side of the silicone high-temperature resistant paint layer (16). Both the decorative layer (2) and the balancing layer (3) are made of melamine-impregnated paper.

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