TEXTURED YARN HAVING SPUN YARN LIKE FLUFF AND PRODUCTION METHOD THEREFOR

摘要

A textured yarn having spun yarn like fluff wherein final twist is applied to a plurality of multi-filament yarns having primary twist, a part of single filaments constituting the multi-filament yarn is converted to a short fiber, at least one of the ends of the short fiber constitutes a fluff yarn restricted by the primary twist or the final twist to protrude as a fluff from the surface of the yarn, and the fluff yarn comprises 100 to 400 pieces/m of fluffs having a length of 1 to 5 mm and more than 30 pieces/m of fluffs having a length of 1.5 to 5 mm or larger with the yarn tenacity of 4.7 to 6 g/d. The present invention relates also to a production method of such a textured yarn. The present invention can provide a textured yarn having fluff and bulkiness like those of a spun yarn, and capable of providing a soft and high quality feeling when processed to a woven fabric or a knitted fabric. This textured harn has higher tenacity than the conventional spun yarn or fluff textured yarn, has a feeling similar to that of the spun yarn and can be therefore used as a sewing thread having a high-speed sewability.