C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 11/02 (2006.01) C09D 11/08 (2006.01) C09D 11/10 (2006.01)
Patent
CA 2471931
A water-based lithographic ink composition is described, and contains water, a resin-bonded pigment; a nonionic surfactant, a rewetting agent, and a polymerizable surfactant. The nonionic surfactant is present in an amount such that the dynamic surface tension of the total composition is about 20 to about 40 dynes/cm. The polymerizable surfactant is present in an amount of about 0.5 % by weight to about 2 % by weight of the composition. The ink composition may also contain other, conventional ink component, as desired.
L'invention concerne une composition d'encre aqueuse lithographique qui contient de l'eau, un pigment lié par résine, un tensioactif non ionique, un agent de remouillage et un tensioactif polymérisable. Le tensioactif non ionique est présent en une quantité telle que la tension de surface dynamique de la composition totale est d'environ 20 à environ 40 dynes/cm. Le tensioactif polymérisable est présent en une quantité d'environ 0,5 % en poids à environ 2 % en poids par rapport à la composition. Cette composition d'encre peut également contenir, si désiré, d'autres composants d'encres classiques.
Babij Hugo
Czebotar Martin
Krishnan Ramasamy
Yamat Marilyn
Mccarthy Tetrault Llp
Sun Chemical Corporation
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