Treatment process for cellulosic fibers

Details Treatment process for cellulosic fibers Treatment process for cellulosic fibers

D - Textiles, Paper

21

C

D21C 9/00 (2006.01) A61F 13/15 (2006.01) D21B 1/36 (2006.01)

Patent

CA 2273292

Disclosed is a process for treating cellulosic fibers using steam explosion that is effective to result in modified cellulosic fibers that exhibit desired properties such as wet curl values. The steam explosion process is quite efficient and has been found to produce cellulosic fibers that are essentially uniformly treated. Also disclosed is a handsheet prepared from the treated cellulosic fibers for use in disposable absorbent products.

Cette invention a trait à un procédé de traitement de fibres cellulosiques faisant intervenir un fractionnement thermomécanique à la vapeur qui permet de produire avantageusement des fibres cellulosiques modifiées faisant montre de caractéristiques souhaitées, notamment des valeurs de courbures à l'état humide. Ce procédé de fractionnement thermomécanique à la vapeur se révèle des plus satisfaisant, s'agissant de produire des fibres cellulosiques traitées de manière sensiblement homogène. L'invention concerne également une feuille de laboratoire produite à partir de fibres cellulosiques traitées à utiliser dans des articles absorbants jetables.

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