Development Survey and Market Prospect of Polysulphonamide Fiber

Polysulphonamide fiber that belongs to the para-position fragrant black silk ribbon series is an aromatic polysulphonamide organic thermo-stable fiber researched and developed based on the Chinese owned technique.The fiber is evaluated to have the properties,strength: 3.1～4.4 cN/dtex,elongation ratio: 20 %～25 %,initial modules: 7.45 GPa,density: 1.416 g/cm3.Because of its outstanding properties,the polysulphonamide fiber obtains important application in both military and modern civil industries and,becomes one of the high-tech textiles urgent needed by the domestic industries.The article also offers proposals for the current development of the polysul-phonamide fiber industry.