Polysulfonamide/high tenacity polyester and polysulfonamide/fire-retardant viscose blended yarns were produced and the properties of the yarns were tested.

• 将芳砜纶纤维分别与高强涤纶纤维、阻燃粘胶纤维按照不同比例混纺,测试混纺纱的强伸性能、外观质量和阻燃性。