Coating for treating substrates for ink jet printing...

Details Coating for treating substrates for ink jet printing... Coating for treating substrates for ink jet printing...

D - Textiles, Paper

06

P

D06P 5/30 (2006.01) B41M 5/52 (2006.01) B41M 5/00 (2006.01)

Patent

CA 2425981

An aqueous coating formulation containing solids, for enhancing image visualization and retention of acid dye-based inks includes a cationic polymer or copolymer, a fabric softener, urea, and ammonium salts of multifunctional weak acids. Desirably the ammonium salts are selected from the group consisting of ammonium oxalate and ammonium tartrate.

L'invention concerne une formulation de revêtement aqueuse contenant des solides destinée à améliorer la visualisation et la rémanence de l'image des encres à base de colorant acide, qui comprend un polymère ou un copolymère cationique, un adoucissant, de l'urée, et des sels d'ammonium d'acides faibles multifonctions. De préférence, les sels d'ammonium sont choisis dans le groupe formé d'oxalate d'ammonium et de tartrate d'ammonium.

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