Enzymatic compositions and methods for producing stonewashed...

D - Textiles – Paper – 06 – M

Patent

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Details

D06M 16/00 (2006.01) C11D 3/386 (2006.01) C11D 7/42 (2006.01) C11D 11/00 (2006.01) C12N 9/42 (2006.01) C12N 9/56 (2006.01) C12N 9/62 (2006.01) C12S 11/00 (2006.01) D06P 5/00 (2006.01) D06P 5/02 (2006.01) D06P 5/08 (2006.01) D06Q 1/02 (2006.01) D06L 3/14 (2006.01)

Patent

CA 2164849

During the desizing and enzymatic stonewashing of denim fabric and/or garments, redeposition of blue color often occurs back onto the surfaces of the denim. The invention relates to a redepositing or backstain inhibiting composition and a method inquiring the inclusion of an added protease prior to, during or subsequent to the stonewashing process which reduces the redeposition of the blue dye and hence improves the stonewashing process when using redepositing or backstaining cellulases to give an appearance closer to that when using stones alone or nonredepositing cellulases in the stonewashing process.

Au cours du désencollage et du lavage à la pierre enzymatique de tissus et/ou de vêtements en croisé de coton, il arrive fréquemmemt que la couleur bleue se redépose sur la surface dudit coton. L'invention porte sur une composition empêchant la redéposition ou la recoloration, ainsi que sur un procédé dans lequel l'adjonction d'une protéase d'addition avant, pendant et après le processus de lavage à la pierre est nécessaire pour réduire la redéposition du colorant indigo et augmenter ainsi l'efficacité du processus de lavage à la pierre lorsque des cellulases de redéposition ou de recoloration sont utilisées pour donner au tissu une apparence proche de celle qu'on obtiendrait en le lavant avec des pierres uniquement, ou lorsque des cellulases de non redéposition sont utilisées dans le processus de lavage à la pierre.

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