PROC. TO SPIN AND WIND POLYESTER FILAMENTS USING THREAD ADDITIVES, FILAM. POLYESTER THAT CAN BE OBTAINED BY PROC. THREADING, STRETCH TEXTURATION OF POLYESTER FILAMENTS, AS WELL AS TEXTURED POLYESTER FILAMENTS THAT CAN BE OBTAINED BY STRETCH TEXTURATION.

摘要

Procedure for the production and winding of preoriented polyester filaments, which are composed of at least 90% by weight, based on the total weight of the polyester filament of poly (butylene terephthalate) (PBT) and / or poly (terephthalate of trimethylene) (PTMT), preferably PTMT, characterized in that a) the spinning of the yarn is adjusted in the range of 70 to 500, b) the filaments pass through a zone of delayed cooling action of a length from 30 mm to 200 mm directly after the exit of the spinning nozzle, c) the filaments are cooled below the solidification temperature, d) the filaments are packaged at a distance between 500 mm and 2500 mm with respect to the lower side of the nozzle, e) the thread tension is adjusted before and between the extraction rollers between 0.05 cN / dtex and 0.20 cN / dtex, f) the thread is wound with a thread tension between 0.025 cN / dtex and 0.15 cN / dtex, g) the winding speed is set between 2200 m / min and 6000 m / min, h) and a polyester is used which mixes from 0.05% by weight to 2.5% by weight, based on the total weight of the filament, of additive polymer as an elongation increasing agent.