A process for producing a fibre material having properties...

D - Textiles – Paper – 21 – H

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D21H 11/20 (2006.01) C08F 251/02 (2006.01) D21H 21/14 (2006.01)

Patent

CA 2549519

The present invention concerns a process for modifying a lignocellulosic fibre material. In particular, the present invention gives new properties to the fibrous matrix of the material. This is achieved by producing fibrous products with modified properties by activating the fibres of the matrix with an oxidizing agent and attaching compounds to the activated fibre in order to incorporate desired, pre-selected properties into the fibre matrix. The invention makes possible to produce novel kinds of fibrous materials having practically a large variety of properties. Examples of such properties include hydrophobic hydrophilic character.

L'invention concerne un procédé permettant de modifier un matériau fibreux lignocellulosique. Plus précisément, l'invention concerne de nouvelles propriétés conférées à la matrice fibreuse du matériau. Un tel résultat est obtenu par production des produits fibreux à propriétés modifiées par activation des fibres de la matrice au moyen d'un agent oxydant et par fixation de composés sur la fibre activée, aux fins d'incorporation de propriétés souhaitées sélectionnées au préalable dans la matrice de fibres. Le procédé selon l'invention permet de produire de nouveaux types de matériaux fibreux possédant une palette importante de propriétés. On peut citer, par exemple, parmi de telles propriétés, le caractère hydrophobe hydrophile.

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