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Nickel coating carbon fiber composite material and preparation method thereof

A technology of carbon fiber materials and composite materials, which is applied in the fields of carbon fiber, fiber processing, textiles and papermaking, etc., can solve the problems of insufficient electromagnetic performance, and achieve the effect of low cost, high-strength, light-weight electromagnetic performance, and excellent performance

Inactive Publication Date: 2014-04-16
TAICANG PAIOU TECH CONSULTING SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention aims to overcome the deficiency of the electromagnetic performance of existing carbon fiber composite materials, and provides a nickel-coated carbon fiber composite material and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The carbon fiber bundle is selected as the reinforcing phase, the phenolic resin is used as the matrix, and nickel is coated by MOCVD method.

[0018] (1) Ultrasonic cleaning the carbon fiber bundle in acetone for 30 minutes to completely remove the glue, then roughen it with 10% nitric acid for 10 minutes, take it out, wash it with distilled water and dry it;

[0019] (2) Put the fiber bundle through the above-mentioned treatment into the MOCVD furnace, start to deposit the nickel coating after setting the appropriate process parameters, and control the thickness of the coating at 10nm;

[0020] (3) impregnating the nickel-coated carbon fiber in the prepared phenolic resin to form a prepreg;

[0021] (4) Cut the prepreg to a suitable size and put it into a mold, and press it on a hot press machine with a pressure of 30-60 MPa and a temperature of 180-190 °C.

Embodiment 2

[0023] Carbon fiber cloth is selected as the reinforcing phase, bismaleimide resin is used as the matrix, and nickel is coated by CVD method.

[0024] (1) Clean the carbon fiber cloth ultrasonically in acetone for 40 minutes to completely remove the glue, then roughen it with 10% nitric acid for 15 minutes, take it out, wash it with distilled water and dry it;

[0025] (2) Put the fiber cloth through the above-mentioned treatment into the CVD furnace, start to deposit the nickel coating after setting the appropriate process parameters, and control the thickness of the coating at 1um;

[0026] (3) dipping the nickel-coated carbon fiber cloth in the prepared bismaleimide resin to form a prepreg;

[0027] (4) Cut the prepreg to a suitable size and put it into a mold, and press it on a hot press for molding at a pressure of 30-60 MPa and a temperature of 230-240°C.

Embodiment 3

[0029] The carbon fiber bundle is selected as the reinforcing phase, the epoxy resin is used as the matrix, and nickel is coated by chemical method.

[0030] (1) After surface degumming, degreasing, roughening, sensitization, activation and reduction, the carbon fiber is electroless nickel-plated in the prepared plating solution, and the thickness of the nickel layer is controlled to be 3um;

[0031] (2) impregnating the nickel-plated carbon fiber in the prepared epoxy resin to form a prepreg;

[0032] (3) Cut the prepreg to a suitable size and put it into a mold, and press it on a hot press machine with a pressure of 30-60 MPa and a temperature of 100-110 °C.

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Abstract

The invention relates to a nickel coating carbon fiber composite material and a preparation method thereof. The preparation method comprises the following steps: preprocessing a carbon fiber material, depositing a nickel coating of 1 nm to 5 nm on the processed carbon fiber material by a chemical plating, CVD (chemical vapor deposition) or MOCVD (metal organic chemical vapor deposition) method, soaking the nickel-coated carbon fiber material in prepared phenolic resin, epoxy resin, cyanate ester resin or bismaleimide resin to form prepregs, properly trimming the two or more layers of prepregs, putting into a mould, and performing hot press molding in a hot press under the pressure of 30-60 MPa. The preparation method adopts a hot press molding process and is high in production efficiency, low in cost and suitable for large-scale production; the prepared nickel coating carbon fiber composite material is remarkably improved in electromagnetic performance while keeping the characteristics of high strength and light weight.

Description

technical field [0001] The invention relates to a carbon fiber composite material, in particular to a nickel-coated carbon fiber composite material and a preparation method thereof. Background technique [0002] Carbon fiber is a fibrous carbon material with excellent mechanical properties. Its strength and modulus greatly exceed general fiber materials such as polyester fiber, glass fiber, ultra-high molecular weight polyethylene fiber, silicon carbide fiber and aluminum silicate fiber. It is a commonly used reinforcing fiber for composite materials. The carbon fiber industry plays an important role in the upgrading of pillar industries in developed countries and the improvement of the overall quality of the national economy. It is also of great significance to the adjustment of my country's industrial structure and the upgrading of traditional materials. Advanced carbon fiber composites play an important role in aviation, aerospace, military, construction and other fields...

Claims

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Application Information

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IPC IPC(8): C08L61/06C08L63/00C08L79/04C08K9/02C08K7/06C08K3/04D06M11/83D06M101/40
Inventor 陈照峰聂丽丽
Owner TAICANG PAIOU TECH CONSULTING SERVICE
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