The composition and structure of AR mesophase pitch were studied by the means of elemental analysis, FT-IR, polarized light microscop with hot-stage and so on.

• 在保证沥青可纺性的前提下，应尽可能在低温、低压、高收丝速度的条件下熔融纺丝，可以得到结构与性能较好的沥青纤维。