High absorbency lyocell fibers and method for producing same

Details High absorbency lyocell fibers and method for producing same High absorbency lyocell fibers and method for producing same

Category

A - Human Necessities

Subcategory

61

Subsubcategory

F

IPC codes

A61F 13/20 (2006.01) A61L 15/28 (2006.01) D01F 2/00 (2006.01) D06M 11/05 (2006.01)

Type

Patent

Patent number

CA 2473882

Description

High absorbency lyocell fibers are obtainable by hydrothermal treatment. The fibers can be treated with water at temperatures of at least about 60°C to provide lyocell fibers that can be formed into a random fibrous plug having a mass of 2 g, a density of 0.4 g/cm3, and a diameter of 25 mm which has a GAT Absorbency (at 15 min.) of at least about 3.7 g/g.

L'invention concerne des fibres Lyocell à pouvoir absorbant élevé pouvant être obtenues par traitement hydrothermique. Ces fibres peuvent être traitées avec de l'eau à des températures d'au moins environ 60· C, de manière à produire des fibres Lyocell pouvant être formées dans un bouchon fibreux aléatoire doté d'une masse de 2 g, d'une densité de 4g/cm3 et d'un diamètre de 25 mm et d'un pouvoir absorbant GAT (au bout de 15 minutes) d'au moins environ 3,7 g/g.

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