Lyocell fibers, and compositions for making the same

Details Lyocell fibers, and compositions for making the same Lyocell fibers, and compositions for making the same

D - Textiles, Paper

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D01F 2/00 (2006.01) C08J 5/18 (2006.01) C08L 1/02 (2006.01) D01D 5/098 (2006.01) D01D 5/18 (2006.01) D21C 3/02 (2006.01) D21C 9/00 (2006.01) D21C 9/10 (2006.01)

Patent

CA 2323437

The present invention provides compositions, useful for making lyocell fibers, having a high hemicellulose content, a low lignin content and including cellulose that has a low average degree of polymerization (D.P.). Further, the present invention provides processes for making compositions, useful for making lyocell fibers, having a high hemicellulose content, a low lignin content and including cellulose that has a low average degree of polymerization. The present invention also provides lyocell fibers containing a high proportion of hemicellulose. Further the lyocell fibers of the present invention have enhanced dye-binding properties and a reduced tendency to fibrillate.

La présente invention concerne des compositions, utiles pour la fabrication de fibres lyocel, présentant un fort contenu d'hémicellulose, un faible contenu de lignine and comportant de la cellulose ayant un degré moyen de polymérisation (D.P.). L'invention concerne également des procédés de préparation de compositions, utiles dans la fabrication de fibres lyocel, présentant un fort contenu d'hémicellulose, un faible contenu de lignine and comportant de la cellulose ayant un faible degré de polymérisation. L'invention concerne en outre des fibres lyocel contenant une forte proportion d'hémicellulose. Par ailleurs, les fibres lyocel de la présente invention présentent des propriétés améliorées de fixation de colorant and une tendance réduite à la fibrillation.

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