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Surface metallization treatment method for carbon fibers

A technology of surface metal and treatment method, applied in the field of carbon fiber surface metallization treatment, can solve the problems of high equipment requirements, complicated operation, harsh experimental conditions, etc., and achieve the effects of easy availability of raw materials, simple process route and low production cost

Inactive Publication Date: 2017-06-30
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a carbon fiber surface metallization treatment method, which solves the problems of harsh experimental conditions, complicated operation and high equipment requirements in the existing carbon fiber surface metallization treatment method

Method used

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  • Surface metallization treatment method for carbon fibers
  • Surface metallization treatment method for carbon fibers

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Experimental program
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Effect test

Embodiment 1

[0044] Step 1, pre-processing

[0045] Step 1.1 Degumming on the surface: Burn the carbon fiber at a high temperature at 400°C for 40 minutes;

[0046] Step 1.2: Coarse treatment: immerse the degummed carbon fiber in a 20wt% nitric acid solution and boil it for 40 minutes;

[0047] Step 1.3 Sensitization treatment: immerse the roughened carbon fiber in a stannous chloride sensitizing solution for 5 min. The components of the stannous chloride sensitizing solution are stannous chloride, hydrochloric acid and tin. Dosage: chlorine Stannous: 15g / L, hydrochloric acid: 35g / L, tin: 5g / L;

[0048] Step 1.4 activation treatment: immerse the sensitized carbon fiber in a palladium chloride activation solution for 8 min. The palladium chloride activation solution is a mixture of palladium chloride and hydrochloric acid. The dosage is: palladium chloride: 0.3g / L, Hydrochloric acid: 30ml / L to obtain pretreated carbon fiber;

[0049] Step 2, pre-plating

[0050] The pre-plated carbon fiber obtained ...

Embodiment 2

[0055] Step 1, pre-processing

[0056] Step 1.1 Degumming on the surface: Burn the carbon fiber at a high temperature at 450°C for 30 minutes;

[0057] Step 1.2: Coarse treatment: immerse the degummed carbon fiber in a 25wt% nitric acid solution and boil it for 30 minutes;

[0058] Step 1.3 Sensitization treatment: immerse the roughened carbon fiber in a stannous chloride sensitizing solution for sensitization for 7 minutes. The components of the stannous chloride sensitizing solution are stannous chloride, hydrochloric acid and tin. Dosage: chlorinated Stannous: 20g / L, hydrochloric acid: 40g / L, tin: 3g / L;

[0059] Step 1.4 Activation treatment: immerse the sensitized carbon fiber in a palladium chloride activation solution for 5 min. The palladium chloride activation solution is a mixture of palladium chloride and hydrochloric acid. The dosage is: palladium chloride: 0.1g / L, Hydrochloric acid: 20ml / L, the pretreated carbon fiber is obtained;

[0060] Step 2, pre-plating

[0061] The p...

Embodiment 3

[0065] Step 1, pre-processing

[0066] Step 1.1 Degumming on the surface: Burn the carbon fiber at a high temperature at 500°C for 50 minutes;

[0067] Step 1.2: Coarse treatment: immerse the degummed carbon fiber in a 30wt% nitric acid solution and boil it for 50 minutes;

[0068] Step 1.3 Sensitization treatment: immerse the roughened carbon fiber in a stannous chloride sensitizing solution for sensitization for 6 min. The components of the stannous chloride sensitizing solution are stannous chloride, hydrochloric acid and tin. Dosage: chlorine Stannous: 10g / L, hydrochloric acid: 30g / L, tin: 4g / L;

[0069] Step 1.4 activation treatment: immerse the sensitized carbon fiber in a palladium chloride activation solution for 8 min. The palladium chloride activation solution is a mixture of palladium chloride and hydrochloric acid. The dosage is: palladium chloride: 0.5g / L, Hydrochloric acid: 35ml / L to obtain pretreated carbon fiber;

[0070] Step 2, pre-plating

[0071] The pre-plated carb...

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Abstract

The invention belongs to the technical field of surface treatment of non-metallic materials, and particularly relates to a surface metallization treatment method for carbon fibers. The method comprises steps as follows: the carbon fibers are subjected to surface degumming, roughening treatment, sensitizing treatment and activating treatment firstly and then are subjected to pre-plating, a pre-plating solution is a mixed solution of nickel metal salt, sodium acetate, sodium potassium tartrate and sodium hypophosphite, the carbon fibers are subjected to chemical plating finally, and a chemical plating solution is a mixed solution of nickel metal salt, sodium acetate, sodium citrate and hypophosphite. According to the surface metallization treatment method for the carbon fibers, problems of strict experiment conditions, complicated operation and higher equipment requirements of a conventional surface metallization treatment method for the carbon fibers are solved, the process route of the method is simple, raw materials are easily available, the production cost is low, and pollution is prevented.

Description

Technical field [0001] The invention belongs to the technical field of surface treatment of non-metallic materials, and in particular relates to a method for surface metallization of carbon fibers. Background technique [0002] As a new type of non-metallic material, carbon fiber is used in aerospace, construction, fire protection, culture and sports, etc. Carbon fiber is a material with high strength and high modulus, but the carbon fiber has poor wettability, and the interface bonding strength is weak when it is combined with the matrix. Therefore, it is necessary to coat the surface of the carbon fiber with a layer that can bond with the matrix metal well, and it can even occur. The chemical reaction produces a chemically stable combination "media" substance. [0003] At present, there are many methods for surface metallization of carbon fiber, such as electroplating, vapor deposition, and thermal spraying techniques. Vapor deposition refers to a process in which reactants und...

Claims

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Application Information

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IPC IPC(8): D06M11/83C23C18/36C23C18/18D06M101/40
CPCC23C18/1893C23C18/36D06M11/83D06M2101/40
Inventor 王震孙勇彭明军
Owner KUNMING UNIV OF SCI & TECH
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