用石油系和萘系中间相沥青熔融纺制条形纤维,经不熔化与炭化处理后,制成条形炭纤维.条形炭纤维容易制备,纺丝时形成的分子取向度较高,较薄的壁厚降低了不熔化温度,缩短了不熔化时间分子取向度的提高和纤维中缺陷的减少有效地改善了它的力学性能
Ribbon-shaped fibers were melt-spun by petroleum-and naphthalene-basedmesophase pitches, respectively The pitch fibers were stabilized and carbonized. It was shown that ribbon-shaped pitch fibers were formed easily and owned higher orientation than circul
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