| 摘要 |
PURPOSE: A method for producing pitch-based carbon fibers irregularly formed by fine hollow parts in the direction of a fiber shaft and having excellent porosity and activity is provided, thereby the titled carbon fibers are produced in a simple manner, in high yield and at low production cost. CONSTITUTION: In a process for the manufacture of pitch-based carbon fibers by melt-spinning fiber precursor pitch, stabilizing the obtained pitch fiber and carbonizing, 90 to 99.9% by weight of pitch chips and 0.1 to 10% by weight of thermoplastic resin chips are mixed during melt spinning. The thermoplastic chips are polyolefin resin chips, polyamide chips or polyester chips.
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