A kind of conductive carbon fiber composite material and preparation method thereof
A conductive carbon fiber and composite material technology, applied in the manufacture of conductive/antistatic filaments, fiber chemical characteristics, single-component synthetic polymer rayon, etc., can solve problems such as single function, poor electrical conductivity and thermal conductivity
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Embodiment 1
[0037] (1) Carbon nanotubes are dispersed in dichloromethane, and the carbon nanotube-dichloromethane dispersion system solution that the preparation concentration is 20g / L, then, then, use the ultrasonic equipment that maximum power is 1000W to carbon nanotube-dichloromethane The methane dispersion system solution was ultrasonically treated for 4 hours to obtain a carbon nanotube-dichloromethane dispersion system solution;
[0038] (2) Add polyetherimide to the carbon nanotube-dichloromethane dispersion system solution of the gained step 1) so that its concentration is respectively 150g / L and then add epoxy resin (E51) to make the epoxy resin concentration 50g / L , to obtain the mixed solution, and stir the mixed solution with a magnetic stirrer for 60 minutes, and then use an ultrasonic device with a maximum power of 1000W to ultrasonically treat the mixed solution for 4 hours;
[0039] (3) adding the ultrasonically treated mixed solution in step 2 to spinning equipment to ma...
Embodiment 2
[0044] (1) Graphene is dispersed in dichloromethane, and preparation concentration is the graphene-dichloromethane dispersion system solution of 20g / L, then, then, use the ultrasonic equipment that maximum power is 1000W to graphene-dichloromethane dispersion system The solution was ultrasonically treated for 4 hours to obtain a graphene-dichloromethane dispersion system solution;
[0045] (2) add polyetherimide in the graphene-dichloromethane dispersion system solution of step 1) gained so that its concentration is respectively 150 / L and then add epoxy resin (E51) to make epoxy resin concentration 50g / L, Obtain the mixed solution, and stir the mixed solution with a magnetic stirrer for 60 minutes, and then use an ultrasonic device with a maximum power of 1000W to ultrasonically treat the mixed solution for 4 hours;
[0046] (3) adding the ultrasonically treated mixed solution in step 2 to spinning equipment to make dry fibers;
[0047] (4) dry fiber and carbon fiber are mixe...
Embodiment 3
[0051] (1) Conductive carbon black is dispersed in dichloromethane, and preparation concentration is the conductive carbon black-dichloromethane dispersion system solution of 20g / L, and then, again with the ultrasonic equipment that maximum power is 1000W to conductive carbon black-dichloromethane The methane dispersion system solution was ultrasonically treated for 4 hours to obtain a conductive carbon black-dichloromethane dispersion system solution;
[0052] (2) Add polyetherimide to the conductive carbon black-methylene chloride dispersion system solution of step 1) to make its concentration respectively 150g / L and then add epoxy resin (E51) to make the epoxy resin concentration 50g / L , to obtain the mixed solution, and stir the mixed solution with a magnetic stirrer for 60 minutes, and then use an ultrasonic device with a maximum power of 1000W to ultrasonically treat the mixed solution for 4 hours;
[0053] (3) adding the ultrasonically treated mixed solution in step 2 t...
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