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Production method of color carbon fibers

A carbon fiber and color technology, applied in the direction of carbon fiber, fiber processing, textile and paper making, etc., can solve the problem of single color tone, and achieve the effect of simple preparation method, good uniformity, and improved anti-oxidation and environmental erosion ability.

Active Publication Date: 2015-08-26
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advancement of science and technology has put forward higher requirements for the performance of carbon fiber. Although a series of carbon fiber and its composite materials currently developed have excellent mechanical properties and performance, the color tone is too single

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0017] A kind of preparation method of colored carbon fiber, described preparation method is carried out according to the following steps:

[0018] a. Immerse the carbon fiber in an organic solvent such as isopropanol or alcohol or chloroform or acetone at a bath ratio of 1:50-100, and then place the container containing the carbon fiber and organic solvent in an ultrasonic cleaner for ultrasonic cleaning for 1-4 hours , remove the adhesive layer and its attachments on the surface of the carbon fiber, and then dry the cleaned carbon fiber with compressed nitrogen; the reason for choosing compressed nitrogen to dry is mainly considering the impact of impurities in the air on the surface of the carbon fiber during the drying process.

[0019] b. Put the carbon fibers treated in step a into the reaction chamber of the atomic layer deposition equipment at a temperature of 120-200°C, purging with nitrogen with a purity of 99.999% for 3-10min, and then using TiCl with a purity gr...

Embodiment 1

[0022] Immerse the carbon fiber in absolute ethanol with a bath ratio of 1:50, then place the container containing the carbon fiber and organic solvent in an ultrasonic cleaner for ultrasonic cleaning for 4 hours to remove the adhesive layer and its attachments on the surface of the carbon fiber and the carbon fiber. The cleaned carbon fibers were blown dry with compressed nitrogen; put the above-mentioned treated carbon fibers into the reaction chamber of the atomic layer deposition equipment at a temperature of 150°C, purged with high-purity nitrogen for 10 minutes, and then used tetraisopropane with a purity greater than 97% Titanium alkoxide is the first precursor, titanium tetraisopropoxide is heated to 65°C to form titanium tetraisopropoxide vapor, and titanium tetraisopropoxide vapor is sent into the reaction chamber in pulse form, the pulse time is 0.05s, exposure The time is 8s, and then purging with high-purity nitrogen, the purging time is 20s; deionized water is the...

Embodiment 2

[0024] Immerse the carbon fiber in absolute ethanol with a bath ratio of 1:50, then place the container containing the carbon fiber and organic solvent in an ultrasonic cleaner for ultrasonic cleaning for 4 hours to remove the adhesive layer and its attachments on the surface of the carbon fiber and the carbon fiber. The cleaned carbon fibers were blown dry with compressed nitrogen; put the above-mentioned treated carbon fibers into the reaction chamber of the atomic layer deposition equipment at a temperature of 150°C, purged with high-purity nitrogen for 10 minutes, and then used tetraisopropane with a purity greater than 97% Titanium alkoxide is the first precursor, titanium tetraisopropoxide is heated to 65°C to form titanium tetraisopropoxide vapor, and titanium tetraisopropoxide vapor is sent into the reaction chamber in pulse form, the pulse time is 0.05s, exposure The time is 8s, and then purging with high-purity nitrogen, the purging time is 20s; deionized water is the...

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Abstract

The invention relates to a production method of color carbon fibers and belongs to the technical fields of inorganic non-metallic materials and surface treatment. The production method comprises the following steps of removing an adhesive layer and other attachment materials on the surface of the carbon fibers after ultrasonic cleaning through an organic solvent and depositing a layer of nanometer titanium dioxide thin film on the surface of the carbon fibers by an atomic layer deposition method so as to develop the carbon fibers. According to the production method of the color carbon fibers, the production process is simple and the deposition process is easy to control; the surface the nanometer titanium dioxide thin film deposited carbon fibers is rich in color, the color maintenance durability is good, and the oxidation resistance and the environmental erosion resistance of the carbon fibers are greatly improved; the cost is low, the pollution to the ecological environment is not produced, and the application prospect is broad.

Description

[0001] Technical field: [0002] The invention relates to a preparation method of colored carbon fibers, belonging to the technical field of inorganic non-metallic materials and surface treatment. Background technique [0003] With the continuous advancement of science and technology, the fiber industry has developed rapidly, and textile materials have become increasingly rich and colorful, with increasing varieties, continuous improvement in performance, and continuous expansion of the application range. [0004] As a new type of fiber, carbon fiber has excellent properties such as high specific strength, high specific modulus, corrosion resistance, high fatigue resistance, excellent vibration attenuation, biological adaptability, electrical and thermal conductivity, and electromagnetic wave shielding. Widely used in national defense and military industry, aerospace, transportation, civil engineering, conductor composite core, sports equipment and high-tech industries. At t...

Claims

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Application Information

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IPC IPC(8): D06M11/46D06M101/40
Inventor 徐卫林陈凤翔刘欣肖杏芳方东
Owner WUHAN TEXTILE UNIV
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