D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 8/06 (2006.01) D01D 5/10 (2006.01) D01D 5/22 (2006.01) D01D 5/30 (2006.01) D02G 1/18 (2006.01) D02G 3/02 (2006.01) D02G 3/04 (2006.01) D04H 1/00 (2006.01) D04H 3/00 (2006.01) D04H 3/16 (2006.01) D04H 5/00 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2302940
Spunbond multicomponent filaments and nonwoven webs made from the filaments are disclosed. In accordance with the present invention, the multicomponent filaments contain a crimp enhancement additive. Specifically, the crimp enhancement additive is added to the polymeric component that has the slower solidification rate. The additive enhances crimp, allows for highly crimped filaments to be made at low fiber linear densities, improves the integrity of unbonded webs made from the filaments, and produces webs with improved stretch and cloth-like properties. The additive incorporated into the filaments is a random copolymer of butylene and propylene.
L'invention concerne des filaments à composants multiples filés-liés et des voiles de non-tissé produits avec ces filaments. Les filaments à composants multiples contiennent un additif de crêpage. Cet additif de crêpage est spécifiquement ajouté au composant polymère qui présente la vitesse de solidification la plus basse. L'additif augmente le crêpage et permet de réaliser des filaments fortement crêpés à de faibles densités linéaires de fil, améliore l'intégrité de voiles non agglomérés produits avec les filaments et permet la production de voiles présentant des propriétés améliorées d'élasticité et de qualité textile. L'additif incorporé dans les filaments est un copolymère statistique de butylène et de propylène.
Brown Kurtis L.
Clark Darryl F.
Creagan Christopher C.
Marmon Samuel E.
Mleziva Mark M.
Borden Ladner Gervais Llp
Kimberly-Clark Worldwide Inc.
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