Multilobal hollow filaments having stiffening ribs and...

Details Multilobal hollow filaments having stiffening ribs and... Multilobal hollow filaments having stiffening ribs and...

D - Textiles, Paper

01

D

D01D 5/24 (2006.01) D01D 5/253 (2006.01)

Patent

CA 2336903

Laser-cut spinnerets allow the production of 6- and 4-hole trilobal hollow filaments. The voids provide improved bulk, resiliency, glitter-free luster and soil hiding compared with solid cross section filaments. Compared with DuPont trilobal and tetralobal hollowfil, these cross sections provide improved soil release and high fiber rigidity. Modifications ratios are between 1.8 and 4.0, and void levels are between 5 and 35 %.

Des filières découpées au laser permettent de produire des filaments creux trilobés à 6 trous et à 4 trous. Les vides confèrent des propriétés améliorées de volume, de résilience, de lustre sans aspect scintillant, et de dissimulation de salissures par comparaison avec des filaments de section pleine. Par comparaison avec le filament creux trilobé et tétralobé de Du Pont, ces sections confèrent des propriétés améliorées facilitant le lavage et une rigidité de fibres élevée. Les rapports de modification se situent entre 1,8 et 4,0, et les taux de vides se situent entre 5 et 35 %.

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