financially supported by the National Natural Science Foundation of China(Nos.11079015,51273039 and 11705269);the Fundamental Research for the Central Universities(No.CUSF-DHD-2016044);Shanghai Sailing Program(No.17YF1423800)。
Aromatic copolysulfonamide(co-PSA)fiber produced via wet spinning exhibits poor mechanical properties.Hence,dry jet-wet spinning was introduced to prepare the co-PSA fiber.Dry jet-wet spinning exhibits the advantage o...