Self crimping polyester yarn

Details Self crimping polyester yarn Self crimping polyester yarn

D - Textiles, Paper

01

D

28/29, 18/622

D01D 5/20 (2006.01)

Patent

CA 1226427

SELF-CRIMPING POLYESTER YARN ABSTRACT OF THE DISCLOSURE Polyester polymer is extruded at different speeds through groups of parallel closely spaced orifices at relatively high spinning speeds. The resulting filament have high and low shrinkage regions substantially regularly spaced apart along their length. A yarn including a number of these filaments spontaneously develops crimp when relaxed.

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