CN113771442A - Carbon fiber composite wallboard and preparation process thereof - Google Patents

Carbon fiber composite wallboard and preparation process thereof Download PDF

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Publication number
CN113771442A
CN113771442A CN202110992931.4A CN202110992931A CN113771442A CN 113771442 A CN113771442 A CN 113771442A CN 202110992931 A CN202110992931 A CN 202110992931A CN 113771442 A CN113771442 A CN 113771442A
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CN
China
Prior art keywords
carbon fiber
composite wallboard
adhesive
aerogel felt
placing
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Pending
Application number
CN202110992931.4A
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Chinese (zh)
Inventor
杜小建
陈俊华
李聪
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Cabotelli Suzhou New Material Technology Co ltd
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Cabotelli Suzhou New Material Technology Co ltd
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Priority to CN202110992931.4A priority Critical patent/CN113771442A/en
Publication of CN113771442A publication Critical patent/CN113771442A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/047—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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    • B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
    • B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
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    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/12—Gel
    • B32B2266/126—Aerogel, i.e. a supercritically dried gel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to the technical field of plates, in particular to a carbon fiber composite wallboard and a preparation process thereof. The decorative plate comprises a carbon fiber layer, an aerogel felt, hard foam and a decorative plate, wherein the carbon fiber layer, the aerogel felt, the hard foam and the decorative plate are sequentially bonded through a binder from top to bottom and are formed by pressing through a bag pressing forming process. The invention has the advantages that: the problems of large weight and low strength of the traditional wallboard are solved, and an aerogel film is added between the surface carbon fiber board and the rigid foam, so that the wallboard has better heat preservation and fire resistance, and the weight is reduced by 30-40% compared with the traditional composite wallboard; the strength is improved by 2 times compared with the traditional composite wallboard; the aerogel film is added, and the heat preservation and fire resistance performance is better.

Description

Carbon fiber composite wallboard and preparation process thereof
Technical Field
The invention relates to the technical field of plates, in particular to a carbon fiber composite wallboard and a preparation process thereof.
Background
The traditional composite wallboard generally adopts a structure of compounding glass fiber reinforced plastics and rigid foam, wherein the strength is low, the density is high, the self weight of the wallboard is high, the assembly is difficult, and the weight of the whole vehicle is increased.
Therefore, the carbon fiber composite wallboard and the preparation process thereof need to be designed to solve the problems.
Disclosure of Invention
The invention aims to provide a decorative plate with a sandwich structure of carbon fiber and paper honeycombs, which overcomes the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the carbon fiber composite wallboard comprises a carbon fiber layer, an aerogel felt, hard foam and a veneer, wherein the carbon fiber layer, the aerogel felt, the hard foam and the veneer are sequentially bonded through a binder from top to bottom and are formed by pressing through a bag pressing forming process.
Preferably, the rigid foam is PU foam.
Preferably, the decorative panel can select decorative panels with different material patterns according to requirements.
A preparation process of a carbon fiber composite wallboard comprises the following steps:
s1, selecting and preparing materials, wherein the carbon fiber layer is 0.5-2mm thick and is prepared from 4 layers of 3K prepreg; the aerogel felt is 2-4mm thick; the density of the hard foam is 100Kg/m3(ii) a The decorative panel can be made of decorative patterns of different materials according to requirements; the adhesive is normal-temperature double-component polyurethane adhesive;
s2, cutting, namely cutting the prepared material S1 by matching with a machine according to the size requirement;
s3, placing the die, namely placing the cut material S2 on a flat die, placing the carbon fiber plate on the flat die, and coating a layer of adhesive on the surface of the carbon fiber plate;
s4, pre-pressing by a roller, placing the aerogel felt cut by the S2 on the carbon fiber plate coated with the adhesive at the S3, pre-pressing by the roller, coating a layer of adhesive on the surface,
s5, bonding, namely placing the rigid foam on the aerogel felt coated with the adhesive in the S4 step, then coating the adhesive on the surface of the aerogel felt, and then placing the solid wood veneer on the rigid foam to finish bonding;
s6, bag pressing and forming, namely, filling the die of the material bonded in the S5 into a customized silica gel tape, packaging, then performing the bag pressing and forming process, vacuumizing and maintaining pressure, wherein the negative pressure is-0.8 to-0.9 bar, the pressure maintaining time is 120min, and the temperature is normal temperature;
and S7, taking the material, taking out the mold after the step S6, unsealing the mold, taking out the prepared composite wallboard, and finishing the processing.
Preferably, the carbon fiber layer is 1mm thick, and the aerogel felt is 3mm thick.
The invention has the beneficial effects that: the invention adopts a vacuum bag pressing method, the product is firstly placed in a mould and is bonded, so that a closed space is formed between the product and the mould, the assembly is placed in an autoclave or a hot box, the closed space is vacuumized to form negative pressure during heating, and the negative pressure is cured, because the adhesive is a resin material, the air in the resin can be eliminated under the action of atmospheric pressure, the bubbles are reduced, the redundant resin is removed, and the surface of the product is more compact; compared with the prior art, the composite wallboard solves the problems of large weight and low strength of the traditional wallboard, and the aerogel film is added between the surface carbon fiber board and the rigid foam, so that the composite wallboard has better heat preservation and fireproof performance, and the weight is reduced by 30-40% compared with the traditional composite wallboard; the strength is improved by 2 times compared with the traditional composite wallboard; the aerogel film is added, and the heat preservation and fire resistance performance is better.
Drawings
FIG. 1 is a schematic structural view of a carbon fiber and paper honeycomb sandwich structure decorative sheet according to the present invention;
in the figure: 1. a carbon fiber layer; 2. aerogel blankets; 3. a rigid foam; 4. a veneer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the embodiment is a carbon fiber composite wallboard, which includes a carbon fiber layer 1, an aerogel felt 2, a rigid foam 3, and a veneer 4, wherein the carbon fiber layer, the aerogel felt, the rigid foam, and the veneer are sequentially bonded by an adhesive from top to bottom, and are formed by pressing through a bag-pressing molding process. The invention adopts a vacuum bag pressing method, a product is firstly placed in a mould and is bonded, so that a closed space is formed between the product and the mould, the assembly is placed in an autoclave or a hot box, the closed space is vacuumized to form negative pressure during heating, and the negative pressure is cured; the adopted carbon fiber has the characteristics of high strength, wear resistance and corrosion resistance, and the surface of the carbon fiber can present a very beautiful three-dimensional texture effect through different weaving schemes. The attractiveness of the plate is improved, the surface of the carbon fiber can present a very attractive three-dimensional texture effect, and the integral rigidity of the product is improved.
The carbon fiber layer can be prepared by selecting 3-6 layers of carbon fiber cloth according to different requirements. The strength and rigidity of the carbon fiber are far higher than those of the glass fiber reinforced plastic, so that the strength of the composite wallboard can be greatly improved, and the weight is reduced.
The aerogel felt is adopted, so that the board has good heat preservation and fire resistance.
The rigid foam is PU foam. The high-molecular material is non-toxic and harmless, and has the characteristics of high strength, solvent resistance and the like.
The decorative board can select decorative boards with different material patterns according to requirements, such as a solid wood decorative board, a PU decorative board and the like. The method is selected according to needs, the attractiveness is improved, the method is suitable for different places, and the practicability of products is improved.
A preparation process of a carbon fiber composite wallboard comprises the following steps:
s1, selecting and preparing materials, wherein the carbon fiber layer is 0.5-2mm thick and is prepared from 4 layers of 3K prepreg; the aerogel felt is 2-4mm thick; the density of the hard foam is 100Kg/m3(ii) a The decorative panel can be made of decorative patterns of different materials according to requirements; the adhesive is normal-temperature double-component polyurethane adhesive;
s2, cutting, namely cutting the prepared material S1 by matching with a machine according to the size requirement;
s3, placing the die, namely placing the cut material S2 on a flat die, placing the carbon fiber plate on the flat die, and coating a layer of adhesive on the surface of the carbon fiber plate;
s4, pre-pressing by a roller, placing the aerogel felt cut by the S2 on the carbon fiber plate coated with the adhesive at the S3, pre-pressing by the roller, coating a layer of adhesive on the surface,
s5, bonding, namely placing the rigid foam on the aerogel felt coated with the adhesive in the S4 step, then coating the adhesive on the surface of the aerogel felt, and then placing the solid wood veneer on the rigid foam to finish bonding;
s6, bag pressing and forming, namely, filling the die of the material bonded in the S5 into a customized silica gel tape, packaging, then performing the bag pressing and forming process, vacuumizing and maintaining pressure, wherein the negative pressure is-0.8 to-0.9 bar, the pressure maintaining time is 120min, and the temperature is normal temperature;
and S7, taking the material, taking out the mold after the step S6, unsealing the mold, taking out the prepared composite wallboard, and finishing the processing.
The carbon fiber layer is 1mm thick, and the aerogel felt is 3mm thick.
The vacuum bag pressing method is adopted, the product is firstly placed in the mold and is bonded, so that a closed space is formed between the product and the mold, the combined body is placed in the autoclave or the hot box, the closed space is vacuumized while being heated to form negative pressure, and the negative pressure is cured; compared with the prior art, the composite wallboard solves the problems of large weight and low strength of the traditional wallboard, and the aerogel film is added between the surface carbon fiber board and the rigid foam, so that the composite wallboard has better heat preservation and fireproof performance, and the weight is reduced by 30-40% compared with the traditional composite wallboard; the strength is improved by 2 times compared with the traditional composite wallboard; the aerogel film is added, and the heat preservation and fire resistance performance is better.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. A carbon fiber composite wallboard is characterized in that: the decorative plate comprises a carbon fiber layer, an aerogel felt, hard foam and a decorative plate, wherein the carbon fiber layer, the aerogel felt, the hard foam and the decorative plate are sequentially bonded through a binder from top to bottom and are formed by pressing through a bag pressing forming process.
2. The carbon fiber composite wallboard of claim 1, wherein: the rigid foam is PU foam.
3. The carbon fiber composite wallboard of claim 1, wherein: the decorative board can select decorative boards with different material patterns according to requirements.
4. The preparation process of the carbon fiber composite wallboard according to claim 1, characterized in that: the preparation process specifically comprises the following steps:
s1, selecting and preparing materials, wherein the carbon fiber layer is 0.5-2mm thick and is prepared from 4 layers of 3K prepreg; the aerogel felt is 2-4mm thick; the density of the hard foam is 100Kg/m3(ii) a The decorative panel can be made of decorative patterns of different materials according to requirements; the adhesive is selected from normal-temperature double-component polyurethaneEster glue;
s2, cutting, namely cutting the prepared material S1 by matching with a machine according to the size requirement;
s3, placing the die, namely placing the cut material S2 on a flat die, placing the carbon fiber plate on the flat die, and coating a layer of adhesive on the surface of the carbon fiber plate;
s4, pre-pressing by a roller, placing the aerogel felt cut by the S2 on the carbon fiber plate coated with the adhesive at the S3, pre-pressing by the roller, coating a layer of adhesive on the surface,
s5, bonding, namely placing the rigid foam on the aerogel felt coated with the adhesive in the S4 step, then coating the adhesive on the surface of the aerogel felt, and then placing the solid wood veneer on the rigid foam to finish bonding;
s6, bag pressing and forming, namely, filling the die of the material bonded in the S5 into a customized silica gel tape, packaging, then performing the bag pressing and forming process, vacuumizing and maintaining pressure, wherein the negative pressure is-0.8 to-0.9 bar, the pressure maintaining time is 120min, and the temperature is normal temperature;
and S7, taking the material, taking out the mold after the step S6, unsealing the mold, taking out the prepared composite wallboard, and finishing the processing.
5. The preparation process of the carbon fiber composite wallboard according to claim 4, characterized in that: the carbon fiber layer is 1mm thick, and the aerogel felt is 3mm thick.
CN202110992931.4A 2021-08-27 2021-08-27 Carbon fiber composite wallboard and preparation process thereof Pending CN113771442A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041278A (en) * 2007-04-10 2007-09-26 南京工业大学 Alveolus type interlayer structure of the composite material
CN108032564A (en) * 2017-11-29 2018-05-15 常州工程职业技术学院 Aeroge heat preservation plate material and preparation method thereof
CN108407401A (en) * 2018-02-07 2018-08-17 佛山市三盟新能源有限公司 It is a kind of to be used for heat-insulated material
CN112726855A (en) * 2020-12-30 2021-04-30 巩义市泛锐熠辉复合材料有限公司 Efficient heat insulation board and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041278A (en) * 2007-04-10 2007-09-26 南京工业大学 Alveolus type interlayer structure of the composite material
CN108032564A (en) * 2017-11-29 2018-05-15 常州工程职业技术学院 Aeroge heat preservation plate material and preparation method thereof
CN108407401A (en) * 2018-02-07 2018-08-17 佛山市三盟新能源有限公司 It is a kind of to be used for heat-insulated material
CN112726855A (en) * 2020-12-30 2021-04-30 巩义市泛锐熠辉复合材料有限公司 Efficient heat insulation board and preparation method thereof

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Application publication date: 20211210