Process of spinning pitch-based carbon fibers

D - Textiles – Paper – 01 – F

Patent

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18/627

D01F 9/00 (2006.01) D01D 5/08 (2006.01) D01F 9/14 (2006.01) D01F 9/145 (2006.01) D01F 9/32 (2006.01)

Patent

CA 1220914

ABSTRACT OF THE DISCLOSURE A method of spinning a pitch precursor material to produce a continuous, pitch-base carbon fiber (10) in which the precursor material is spun through capillaries (11) of a spinnerette (12) so that a fiber carrot (13) formed during spinning will exhibit a predetermined viscosity at or near a point of spin reversal (17) of the carrot (13).

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