Some Specifics of Defect-Free Poly-(o-aminophenylene)naphthoylenimide Fibers Preparation by Wet Spinning. - Skvortsov IY; Kulichikhin VG; Ponomarev II; Varfolomeeva LA; Kuzin MS; Razorenov DY; Skupov KM (Materials (Basel, Switzerland), 2022)