| 摘要 |
PROBLEM TO BE SOLVED: To provide an all aromatic polyamide fiber excellent in breaking strength and elongation.SOLUTION: A fiber is obtained from all aromatic polyamide containing a structural repeating unit (I) represented by the following chemical formula (I), a structural repeating unit (II) represented by the chemical formula (II) and a structural repeating unit (III) represented by the chemical formula (III) with a specific ratio. |
