Improved compositions and processes for paper production

Details Improved compositions and processes for paper production Improved compositions and processes for paper production

D - Textiles, Paper

21

C

D21C 9/16 (2006.01) D21C 9/10 (2006.01) D21H 21/30 (2006.01) D21H 21/32 (2006.01)

Patent

CA 2658971

Oxidative compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The oxidative composition and method maintains and/or enhances brightness, prevents yellowing, and enhances the performance of paper products. Used in combination with optical brighteners and/or chelants the oxidative agents produce a synergistic effect not previously identified in the paper process.

L'invention concerne des compositions oxydantes et des procédés qui conservent et améliorent la brillance et la couleur de la pâte ou du papier lorsque lesdites compositions sont appliquées pendant différents stades du procédé de fabrication du papier. La composition oxydante et le procédé conservent et/ou augmentent la brillance, empêchent le jaunissement et augmentent la performance des produits du papier. Utilisés en combinaison avec des agents d'azurage optique et/ou des chélatants, les agents oxydants produisent un effet synergique qui n'avait pas été identifié jusqu'ici dans le procédé de production du papier.

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