Method of softening nonwoven fabrics

Details Method of softening nonwoven fabrics Method of softening nonwoven fabrics

D - Textiles, Paper

06

C

28/17, 28/24

D06C 27/00 (2006.01) D04H 1/00 (2006.01)

Patent

CA 1055238

METHOD OF SOFTENING NONWOVEN FABRICS ABSTRACT OF THE DISCLOSURE A bonded web of nonwoven fibers is stretched beyond its elastic limit in one direction sufficiently to permanently elongate those filaments or filament portions of the web extending generally in the direction of the applied tension. This results in a narrowing or necking down of the web in the cross direction and consequent shortening or lateral buckling of those filaments or filament portions extending generally transverse to the direction of applied tension. This imparts increased softness, flexibility and resilient stretchability to the fabric, in that transverse direction. The elongated filaments are then compacted longitudinally while the web is retained in its narrowed condition to impart increased softness, flexibility and resilient stretchability in the longitudinal direction.

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