Feed yarn and process for the manufacture of a voluminous false

Details Feed yarn and process for the manufacture of a voluminous false Feed yarn and process for the manufacture of a voluminous false

1979-11-21

1981-11-17

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Twist setting

57206, 57208, 57 2, 57287, D02J 100, D02G 334

Patent

active

043003443

ABSTRACT:
Multifilament feed yarns in drawable state made from fiber-forming polyester are provided which in accordance with the invention can be processed in a combined draw and false twist process to voluminous filament yarns having individual protruding filament ends. The feed yarns must consist at least in part of filaments having a flex abrasion resistance of less than 1500 cycles and a crack index of more than 5. By using suitable spin finishes, the crack index can be varied and thus the hairiness of the voluminous filament yarns manufactured can be adjusted independently from the crimp values and the pilling behavior.

REFERENCES:
patent: 3043088 (1962-07-01), Breen
patent: 3088188 (1963-05-01), Knudsen
patent: 3680301 (1972-08-01), Michel
patent: 3857233 (1974-12-01), Cardinal et al.
patent: 3987614 (1976-10-01), Cardinal et al.
patent: 4044541 (1977-08-01), Ikeda
patent: 4164836 (1979-08-01), Tanae et al.

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