False-twist textured yarn of polyamide and method and apparatus

Details False-twist textured yarn of polyamide and method and apparatus False-twist textured yarn of polyamide and method and apparatus

1987-01-13

1988-09-27

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Twist setting

D02G 100

Patent

active

047732067

ABSTRACT:
A false-twist textured yarn composed of a polyamide filament yarn excellent in stretchability and heat durability suitable for sports wear is proposed, which is characterized in that the maximum value F (g) of a shrinkage force under dry heat and a heat treatment temperature T (.degree.C.), at which the maximum value F is attained, are defined by the following equations:

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