POLYESTER-FILOMENTGARN, VERFAHREN ZU SEINER HERSTELLUNG, DARAUS HERGESTELLTE GEWEBTE ODER GESTRICKTE ERZEUGNISSE UND VERFAHREN ZUR HERSTELLUNG DERSELBEN

摘要

A polyester filament yarn made by treating a polyester filament with an aqueous alkali solution, which filament is composed of a core extending over the length of filament and a plurality of fins bonded to the core over the length of the core and radially extending from the core, and which satisfies the following three requirements: (1) 1/20