Method for preparing functional carbon fiber composite electrothermal paper
A functionalized carbon and fiber composite technology, applied in synthetic cellulose/non-cellulose material pulp/paper, fiber raw material processing, papermaking, etc., can solve the problems of low Internet access rate, loss of functional powder, waste, etc. Excellent wet and dry strength, large quantitative adjustment range, long-lasting and stable effect
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Embodiment 1
[0043] (1) Activate the surface of carbon fiber by plasma surface treatment to obtain activated carbon fiber, and carry the functional body on the surface of the activated carbon fiber, the functional body is a far-infrared emitter; the carbon fiber is a PAN-based carbon fiber;
[0044] (2) Perform conventional sizing treatment on the activated carbon fibers with a functional sizing agent, the functional sizing agent is an aqueous solution of a carbon fiber dispersant, wherein the concentration of the carbon fiber dispersant is 5wt%, and the carbon fiber dispersant is polyacrylamide;
[0045] (3) Chopping the carbon fibers loaded with functional bodies on the surface to prepare functionalized carbon fibers, the length of the functionalized carbon fibers is 2 mm;
[0046] (4) Uniformly dispersing the functionalized carbon fiber in water to form a carbon fiber dispersion, wherein the content of the functionalized carbon fiber is 0.5wt‰, and the balance is water;
[0047] (5) U...
Embodiment 2
[0053] (1) Using KOH as an activator, surface activation treatment is carried out on the carbon fiber to obtain activated carbon fiber, and the functional body is carried on the surface of the activated carbon fiber, and the functional body is a phase change material microcapsule; the carbon fiber is pitch-based carbon fiber;
[0054] (2) Perform conventional sizing treatment on the activated carbon fibers with a functional sizing agent, the functional sizing agent is an aqueous solution of a carbon fiber dispersant, wherein the concentration of the carbon fiber dispersant is 30wt%, and the carbon fiber dispersant is polyethylene oxide;
[0055] (3) Chopping the carbon fibers loaded with functional bodies on the surface to prepare functionalized carbon fibers, the length of the functionalized carbon fibers is 10mm;
[0056] (4) Uniformly dispersing the functionalized carbon fiber in water to form a carbon fiber dispersion, wherein the content of the functionalized carbon fibe...
Embodiment 3
[0063] (1) Use NaOH as the activator to activate the surface of carbon fibers to obtain activated carbon fibers, and load functional bodies on the surface of the activated carbon fibers, the functional bodies are flame retardants; the carbon fibers are asphalt base carbon fiber;
[0064] (2) Perform conventional sizing treatment on the activated carbon fibers with a functional sizing agent, the functional sizing agent is an aqueous solution of a carbon fiber dispersant, wherein the concentration of the carbon fiber dispersant is 10wt%, and the carbon fiber dispersant Combination of polyacrylamide and polyethylene oxide;
[0065] (3) Chopping the carbon fiber with the functional body on the surface to prepare functionalized carbon fiber, the length of the functionalized carbon fiber is 7 mm;
[0066] (4) Uniformly disperse the functionalized carbon fiber in water to form a carbon fiber dispersion, wherein the content of the functionalized carbon fiber is 1wt‰, and the balance ...
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