Method for producing textured filament yarns with improved yarn

Details Method for producing textured filament yarns with improved yarn Method for producing textured filament yarns with improved yarn

1977-03-10

1978-08-01

Queisser, Richard C.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57157TS, D02G 102, D02G 304

Patent

active

041034805

ABSTRACT:
The invention is related to a method for producing texturized yarns from polyamide 6 which have small parts of a transitional structure in the .alpha.-modification in addition to the predominant .alpha.-modification, using a rapidly spun yarn in the .alpha.-modification, wherein a yarn with an elongation of 40 to 100% and a density of 1.130 to 1.140 is texturized at texturizing speeds of from 4000 to 1600 m/min at a temperature of from 170.degree. to 220.degree. C while maintaining a constant thread tension ratio of twister outlet to twister inlet of from 1 : 1.0 to 1 : 1.5 by means of a frictional twister while simultaneously stretching in a ratio of from 1 : 1.05 to 1 : 1.5.

REFERENCES:
patent: 3858387 (1975-01-01), Baliga et al.
patent: 4000605 (1977-01-01), Chimura et al.

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