Ink and coating compositions containing silicon-treated...

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 11/00 (2006.01) C09C 1/50 (2006.01) C09C 1/56 (2006.01) C09D 7/12 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2258192

Ink and coating compositions are disclosed comprising a silicon-treated carbon black. The silicon-treated carbon black may have at least one attached organic group, and the ink and coating compositions may comprise a combination of silicon-treated carbon black products, with and/or without at least one attached organic group, and untreated carbon black. Methods are disclosed for improving the jetness, improving the blue tone, improving the platewear, reducing the premix residue, modifying rheological properties, or improving waterfastness, of ink and coating compositions by incorporating therein silicon-treated carbon black.

La présente invention concerne des compositions d'encres et de revêtements comprenant du noir de carbone traité au silicium. Au noir de carbone traité au silicium peut être attaché au moins un groupe organique, les compositions d'encres et de revêtements pouvant comporter une combinaison de produits à base, d'une part de noir de carbone traité au silicium et auxquels est et/ou n'est pas attaché au moins un groupe organique, et d'autre part du noir de carbone non traité. L'invention concerne également, pour ces compositions d'encres et de revêtements, des procédés consistant à incorporer dans ces compositions du noir de carbone traité au silicium, ce qui permet d'améliorer l'aptitude à former un jet, d'améliorer la nuance bleutée, de diminuer les résidus de mélange préalable, de modifier les propriétés rhéologiques ou d'améliorer la solidité à l'eau.

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