Single-bath preparation of cellulosic materials

Details Single-bath preparation of cellulosic materials Single-bath preparation of cellulosic materials

D - Textiles, Paper

06

M

D06M 23/00 (2006.01) D06L 1/14 (2006.01) D06L 3/02 (2006.01) D06L 3/11 (2006.01) D06L 3/16 (2006.01)

Patent

CA 2450755

The present invention provides methods for single-bath desizing, scouring and bleaching of cellulosic materials, which are carried out by contracting the cellulosic simultaneously or sequentially with an enzyme system and a peracid bleaching system under conditions that do not require emptying the bath or rinsing the cellulosic materials between desizing, scouring and bleaching steps.

La présente invention concerne des procédés de désencollage, dégraissage et blanchiment par bain unique de matériaux cellulosiques. Lesquels procédés consistent à mettre en contact le matériau cellulosique simultanément ou séquentiellement avec un complexe enzymatique et un système de blanchiment au peracide dans des conditions ne nécessitant pas l'évacuation du bain ou le rinçage des matériaux cellulosiques entre les étapes de désencollage, de dégraissage et de blanchiment.

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