Graphene composite PAN (Polyacrylonitrile) fiber and preparation method
A graphene composite and fiber technology, applied in the manufacture of conductive/antistatic filaments, conjugated synthetic polymer artificial filaments, etc., can solve the problems of high cost, complicated process, high process requirements, etc., and achieve good toughness , Improve the effect of electrical conductivity
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[0038] A kind of preparation method of graphene composite PAN fiber, comprises the steps,
[0039] Step 1, melting PAN to obtain PAN melt, where the heating temperature is controlled at 300-350°C;
[0040] Step 2, melting the graphene composite PAN masterbatch to obtain the graphene composite PAN masterbatch melt, where the heating temperature is 170-200°C;
[0041] Step 3. Add PAN melt and graphene composite PAN master batch melt to the zwitterionic surfactant in batches (first add part of the PAN melt to the zwitterionic surfactant in turn, after stirring evenly, add a part of graphene Composite PAN masterbatch solution, stir evenly to obtain mixed melt A; add part of PAN solution to mixed solution A, after stirring evenly, add a part of graphene composite PAN masterbatch solution, stir evenly, obtain mixed melt B, repeat this process, mainly to ensure the uniformity of mixing between the two), and stir in one direction to obtain a mixed melt;
[0042] Step 4, spraying the...
Embodiment 1
[0048] A kind of graphene composite PAN fiber, comprises each material of following parts by weight,
[0049] Graphene composite PAN masterbatch 10 parts
[0050] Pan 90 copies
[0051] 3 parts of zwitterionic surfactant,
[0052] Here, PAN is PAN powder or PAN short fiber.
[0053] Wherein, a graphene composite PAN masterbatch, comprises each material of following weight portion:
[0054] Graphene 50 parts
[0055] Polyurethane 20 parts
[0056] Conductive metal powder 15 parts
[0057] Anionic surfactant 5 parts
[0058] 50 parts of ethanol,
[0059] Among them, the conductive metal powder has a size of 0.5um and is selected as silver powder.
Embodiment 2
[0061] A kind of graphene composite PAN fiber, comprises each material of following parts by weight,
[0062] Graphene composite PAN masterbatch 35 parts
[0063] PAN 70 copies
[0064] 5 parts of zwitterionic surfactant,
[0065] Here, PAN is PAN powder or PAN short fiber.
[0066] Wherein, a graphene composite PAN masterbatch, comprises each material of following weight portion:
[0067] Graphene 30 parts
[0068] Polyurethane 60 parts
[0069] Conductive metal powder 5 parts
[0070] Anionic surfactant 15 parts
[0071] Methanol 50 parts
[0072] carbon fiber 5 parts,
[0073] Among them, the conductive metal powder has a size of 1um and is selected as aluminum powder.
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