CN111378398A - A carbon fiber composite felt - Google Patents

Abstract

The invention discloses a carbon fiber composite felt which comprises a protective adhesive film and a carbon fiber layer, wherein an adhesive layer is arranged on one end face of the carbon fiber layer, a bottom adhesive layer is arranged on one end face of the carbon fiber layer, which is far away from the adhesive layer, a square groove is formed in one end face of the bottom adhesive layer, which is far away from the carbon fiber layer, rubber bulges distributed at equal intervals are arranged at the top end of the inner wall of the square groove, the lower surfaces of the rubber bulges and the lower surface of the bottom adhesive layer are parallel to each other, an upper adhesive layer is arranged on one end face of the adhesive layer, which is far away from the carbon fiber layer, the protective adhesive film is glued on the lower surface of the bottom adhesive layer, two ends of the protective adhesive film are bent and wrapped on two sides of the upper surface of. The invention has compact structure and convenient use, and the glue layer is prefabricated on the surface of the carbon fiber composite felt in production, thereby avoiding manual gluing of the carbon fiber composite felt in secondary production and processing, improving the quality of finished products and meeting the use requirements.

Description

A carbon fiber composite felt

technical field

The invention relates to the technical field of carbon fiber products, in particular to a carbon fiber composite felt.

Background technique

Carbon fiber felt is a felt made of carbon fiber. It has broad adsorption spectrum and large capacity. The adsorption capacity of gasoline, aldehydes, phenols, alcohols, olefins and other organic vapors is several times to dozens of times larger than that of activated carbon, and it has good adsorption to inorganic gases. It is a new type of high-efficiency adsorption material that surpasses activated carbon. It is a new type of replacement product. It has a highly developed microporous structure, large adsorption capacity, fast desorption speed and good purification effect. It can be processed into various specifications of felt and silk. , cloth, the product has the characteristics of heat resistance, acid resistance, alkali resistance, etc., the oil in the aqueous solution is much higher, the adsorption resistance is small, the speed is fast, the desorption is rapid and thorough.

Carbon fiber composite felt is mainly divided into carbon fiber surface felt and carbon fiber thermal insulation conductive felt. The main function of carbon fiber surface felt is to enhance the surface strength of composite products, play a light and strong role, and fill the mesh of carbon fiber cloth to make it The surface of the carbon fiber products will not be exposed, the appearance is more uniform and beautiful, and the carbon fiber has a conductive effect.

In the secondary production and utilization of the traditional carbon fiber composite felt, it needs to be compounded on some basic fabrics. The traditional method is to apply glue on the surface of the carbon fiber composite felt, and then compound it by hot pressing and melting. Manual gluing can easily lead to glue. The distribution is uneven, which affects the quality of the finished product and cannot meet the needs of personnel.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a carbon fiber composite felt, which has a compact structure and is easy to use. During production, a glue layer is prefabricated on the surface of the carbon fiber composite felt, so as to avoid artificial gluing of the carbon fiber composite felt in the secondary production and processing, and improve the quality of the finished product. The advantages of meeting the needs of use solve the problem that the traditional carbon fiber composite felt needs to be compounded on some basic fabrics in the secondary production and utilization. The traditional method is to apply glue on the surface of the carbon fiber composite felt, and then compound by hot pressing , Manual gluing can easily lead to uneven distribution of glue, thereby affecting the quality of the finished product and failing to meet the needs of personnel.

In order to achieve the above purpose, the present invention provides the following technical solutions: a carbon fiber composite felt, comprising a protective film and a carbon fiber layer, one end face of the carbon fiber layer is provided with an adhesive layer, and the carbon fiber layer is away from a part of the adhesive layer. The end surface primer layer, the end surface of the primer layer facing away from the carbon fiber layer is provided with a square groove, the end surface of the adhesive layer facing away from the carbon fiber layer is provided with an upper fabric layer, and the protective film is glued on the bottom surface of the primer layer. , and the two ends of the protective film are bent and wrapped on both sides of the upper surface of the upper fabric layer.

Preferably, the top end of the inner wall of the square groove is provided with rubber protrusions distributed at equal intervals, and the lower surfaces of the rubber protrusions and the lower surface of the primer layer are parallel to each other.

Preferably, the carbon fiber layer uses PAN fiber as a raw material, and the carbon fiber layer is a high-temperature heat insulating material with excellent performance.

Preferably, two ends of the protective adhesive film are equidistantly pasted with a connecting tape, and the other end of the connecting tape is glued on the upper surface of the upper fabric layer.

Preferably, the length of the protective film is greater than the length of the carbon fiber layer.

Preferably, there are four connecting tapes in total, and the four connecting tapes are distributed in a rectangular array on the upper surface of the upper fabric layer.

Compared with the prior art, the beneficial effects of the present invention: in the process of use, the carbon fiber composite felt of the present invention is formed by the design of the upper fabric layer, and the upper fabric layer is activated and processed at high temperature, and it is light and soft, and has rich microscopic properties. Pores, higher specific surface area and excellent adsorption performance, through the design of the carbon fiber layer, the strength of the composite product is enhanced, and it plays a light and strong role. At the same time, the uniform distribution of the primer layer on the carbon fiber composite felt replaces manual gluing, and the design of the square groove can effectively reduce the self-weight of the primer layer and avoid excessive overflow of the primer during the hot pressing process. , Through the design of the protective film, the protective film is glued on the primer layer to protect the surface of the primer layer, which can effectively prevent impurities from adhering to the primer layer. The structure is compact and easy to use. In the production of carbon fiber The surface of the composite felt is prefabricated with a glue layer, which avoids the artificial gluing of the carbon fiber composite felt in the secondary production and processing, improves the quality of the finished product, and meets the needs of use.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present invention;

Fig. 2 is the top view structure schematic diagram of the present invention;

FIG. 3 is a schematic view of the bottom structure of the primer layer of the present invention.

In the picture: 1. Protective film; 2. Carbon fiber layer; 3. Primer layer; 4. Square groove; 5. Connecting tape; 6. Adhesive layer; 7. Upper fabric layer; 8. Rubber protrusion.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to FIG. 1 to FIG. 3, an embodiment provided by the present invention: a carbon fiber composite felt, including a protective film 1 and a carbon fiber layer 2, one end surface of the carbon fiber layer 2 is provided with an adhesive layer 6, and the carbon fiber layer 2 The PAN fiber is used as the raw material, and the carbon fiber layer 2 is a high-temperature thermal insulation material with excellent performance.

The end face of the carbon fiber layer 2 facing away from the adhesive layer 6 is the primer layer 3. Through the design of the primer layer 3, when the carbon fiber composite felt is secondary processed, the even distribution of the primer layer 3 on the carbon fiber composite felt replaces the artificial glue.

The end face of the primer layer 3 away from the carbon fiber layer 2 is provided with a square groove 4, the top of the inner wall of the square groove 4 is provided with rubber protrusions 8 distributed at equal distances, and the lower surface of the rubber protrusion 8 and the bottom surface of the primer layer 3 are mutually Parallel, through the design of the square groove 4, the self-weight of the primer layer 3 can be effectively reduced, and at the same time, the primer can be prevented from overflowing the fabric too much during the hot pressing process.

The end face of the adhesive layer 6 facing away from the carbon fiber layer 2 is provided with an upper fabric layer 7. Through the design of the upper fabric layer 7, the upper fabric layer 7 is activated and processed at high temperature. High specific surface area and excellent adsorption performance.

The protective film 1 is glued on the lower surface of the primer layer 3, and the two ends of the protective film 1 are bent and wrapped on both sides of the upper surface of the upper fabric layer 7. Through the design of the protective film 1, the protective film 1 is glued on the upper surface. On the primer layer 3 , protecting the surface of the primer layer 3 can effectively prevent impurities from adhering to the primer layer 3 .

The two ends of the protective film 1 are equidistantly pasted with connecting tapes 5. There are four connecting tapes 5 in total. The four connecting tapes 5 are distributed in a rectangular array on the upper surface of the upper fabric layer 7, and the other end of the connecting tapes 5 is glued to the upper fabric. On the upper surface of layer 7, the length of the protective film 1 is greater than the length of the carbon fiber layer 2, the position of the protective film 1 can be fixed, the structure is compact, and the use is convenient. The carbon fiber composite felt is artificially coated in the secondary production and processing to improve the quality of the finished product and meet the needs of use.

Working principle: in the process of using the carbon fiber composite felt of the present invention, through the design of the upper fabric layer 7, the upper fabric layer 7 is activated and processed at high temperature, which is light and soft, has abundant micropores, high specific surface area and Excellent adsorption performance, through the design of the carbon fiber layer 2, the strength of the composite product is enhanced, and it plays a light and strong role. Through the design of the primer layer 3, when the carbon fiber composite felt is processed twice 3 The uniform distribution on the carbon fiber composite felt replaces manual gluing, and through the design of the square groove 4, the self-weight of the primer layer 3 can be effectively reduced, and at the same time, the excessive overflow of the primer layer to the fabric during the hot pressing process can be avoided. In the design of the adhesive film 1 , the protective adhesive film 1 is glued on the primer layer 3 to protect the surface of the primer layer 3 , which can effectively prevent impurities from adhering to the primer layer 3 .

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. The utility model provides a carbon fiber composite felt, includes protective film (1) and carbon fiber layer (2), its characterized in that: the utility model discloses a carbon fiber layer's (2) adhesive layer, including carbon fiber layer (2), bottom glue layer (3), square groove (4) have been seted up to the terminal surface that carbon fiber layer (2) deviates from adhesive layer (6) to a terminal surface of carbon fiber layer (2) that is equipped with adhesive layer (6), adhesive layer (6) deviates from a terminal surface of carbon fiber layer (2) and is equipped with precoat (7), protective film (1) veneer is at the lower surface of bottom glue layer (3), and protective film's (1) both ends are buckled the cladding and are gone up the upper surface both sides of precoat (7).

2. The carbon fiber composite felt according to claim 1, wherein: the inner wall top of square groove (4) is equipped with the protruding (8) of rubber that the equidistance distributes, and the lower surface of the protruding (8) of rubber and the lower surface of primer layer (3) are parallel to each other.

3. The carbon fiber composite felt according to claim 1, wherein: the carbon fiber layer (2) adopts PAN fiber as a raw material, and the carbon fiber layer (2) is a high-temperature heat-insulating material with excellent performance.

4. The carbon fiber composite felt according to claim 1, wherein: and connecting adhesive tapes (5) are equidistantly stuck at two ends of the protective adhesive film (1), and the other ends of the connecting adhesive tapes (5) are glued on the upper surface of the upper fabric layer (7).

5. The carbon fiber composite felt according to claim 1, wherein: the length of the protective adhesive film (1) is greater than that of the carbon fiber layer (2).

6. The carbon fiber composite felt according to claim 1, wherein: the number of the connecting adhesive tapes (5) is four, and the four connecting adhesive tapes (5) are distributed on the upper surface of the upper fabric layer (7) in a rectangular array.

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