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.
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[0017] A preparation method of colored carbon fiber, the 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 according to the 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 glue layer and 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 influence of impurities in the air on the surface of the carbon fiber during the drying process.
[0019] b. Put the carbon fiber treated in step a into the reaction chamber of the atomic layer deposition equipment at a temperature of 120-200°C, purge it with nitrogen with a purity of 99.999% for 3-10 minutes, and then use TiCl with a purity of greater ...
Example Embodiment
[0021] Example 1
[0022] The carbon fiber is immersed in absolute ethanol with a bath ratio of 1:50, and then the container containing the carbon fiber and organic solvent is placed in an ultrasonic cleaner for ultrasonic cleaning for 4 hours to remove the glue layer and its attachments on the surface of the carbon fiber. The cleaned carbon fiber was blown dry with compressed nitrogen; the carbon fiber after the above treatment was put into the reaction chamber of the atomic layer deposition equipment at a temperature of 150℃, purged with high-purity nitrogen for 10 minutes, and then used tetraisopropyl with a purity of more than 97% Titanium alkoxide is the first precursor. The titanium tetraisopropoxide is heated to 65°C to form titanium tetraisopropoxide vapor, and the titanium tetraisopropoxide vapor is sent into the reaction chamber in a pulse form. The pulse time is 0.05s, and the exposure The time is 8s, and then purge with high-purity nitrogen, the purge time is 20s; dei...
Example Embodiment
[0023] Example 2
[0024] The carbon fiber is immersed in absolute ethanol with a bath ratio of 1:50, and then the container containing the carbon fiber and organic solvent is placed in an ultrasonic cleaner for ultrasonic cleaning for 4 hours to remove the glue layer and its attachments on the surface of the carbon fiber. The cleaned carbon fiber was blown dry with compressed nitrogen; the carbon fiber after the above treatment was put into the reaction chamber of the atomic layer deposition equipment at a temperature of 150℃, purged with high-purity nitrogen for 10 minutes, and then used tetraisopropyl with a purity of more than 97% Titanium alkoxide is the first precursor. The titanium tetraisopropoxide is heated to 65°C to form titanium tetraisopropoxide vapor, and the titanium tetraisopropoxide vapor is sent into the reaction chamber in a pulse form. The pulse time is 0.05s, and the exposure The time is 8s, and then purge with high-purity nitrogen, the purge time is 20s; dei...
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