Composition and recording sheet with improved optical...

D - Textiles – Paper – 21 – H

Patent

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D21H 21/30 (2006.01)

Patent

CA 2728278

A composition is provided, which comprises a water-soluble salt of a divalent metal; a complexing agent having an affinity for the divalent metal; and an optical brightening agent. Methods of using the composition, and recording sheets which in-clude the composition, are also disclosed.

La présente invention concerne une composition qui comprend un sel soluble dans l'eau d'un métal divalent; un agent complexant ayant une affinité pour le métal divalent; et un agent d'azurage optique. Des procédés d'utilisation de la composition et des feuilles d'impression comprenant la composition sont également présentés.

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