POLYURETHANELASTOFASER UND VERFAHREN ZU DEREN HERSTELLUNG

摘要

A polyurethane elastic fiber, containing inorganic compound particles that have an average particle size of 0.5 to 5 mm and that show a refractive index of 1.4 to 1.6, having at least one protruded portion that has a maximum width of 0.5 to 5 µm, in the fiber surface, per 120-µm length in the fiber axis direction.