Method for producing textured filament yarns with improved...

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

D - Textiles, Paper

02

G

118/27, 118/35

D02G 1/02 (2006.01)

Patent

CA 1057601

Method for producing textured filament yarns with improved yarn qualities from preorientated polyamide 6 Abstract of the Disclosure The invention is related to a method for producing texturised yarns from polyamide 6 which have small parts of a transitional structure in the .alpha.-modification in addition to the predominan .alpha.-modification, using a rapidly spun yarn in the .alpha.-modification, wherein a yarn with elongation of 40 to 100 % and a density of 1.130 to 1.140 is texturised at texturising speeds of from 4000 to 1600 m/min at a temperature of from 170 to 220°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.

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