Self-texturing splittable conjugate yarn

Details Self-texturing splittable conjugate yarn Self-texturing splittable conjugate yarn

D - Textiles, Paper

01

D

18/585

D01D 5/32 (2006.01) D01D 5/24 (2006.01) D01D 5/30 (2006.01)

Patent

CA 1145907

ABSTRACT OF THE DISCLOSURE This invention provides a process for melt-spinning a hollow conjugate filament splittable into spontaneously texturing sub-filaments. The process comprises extruding a hollow molten stream formed from axially extending segments of dissimilar polymers arranged alternately in side-by-side adhering relationship to form the hollow molten stream. The stream is then quenched under conditions sufficient to form a filament and the filament is then withdrawn from the stream at a predetermined spinning speed. The polymers, the spinning speed and the quenching conditions are sufficient to form a filament characterized in that sub-filaments split from the filament possess substantial latent torqueless helical crimp. A hollow conjugate filament being substantially free of crimp with sub- filaments possessing substantial latent torqueless helical crimp is also disclosed.

342810

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