| 摘要 |
PROBLEM TO BE SOLVED: To obtain a polybenzazole fiber having higher strength and higher modulus of elasticity than those of the conventional fiber, extremely high compressive strength and a specific microstructure, useful as a material for various industries. SOLUTION: This polybenzazole fiber comprises a carbon nanotube having <=20 nm outer diameter and 0.5μm-10μm length in the inside of the fiber. |
