Intaglio printing inks

Details Intaglio printing inks Intaglio printing inks

C - Chemistry, Metallurgy

09

D

C09D 11/06 (2006.01) C09D 11/08 (2006.01) C09D 11/10 (2006.01)

Patent

CA 2391847

An Intaglio printing ink is disclosed that uses as a binder an autoxidisable polyester resin. The fatty acid content is in the range 47 - 52% w/w and the preferred fatty acid is linseed fatty acid. The acid value of the resin in the range 50 - 70 mg KOH/g. The printing ink includes solvents and pigments and can be cured under UV irradiation to produce useful printed material on polymer substrates.

La présente invention concerne une encre d'impression en relief utilisant comme liant une résine polyester auto-oxydable. La teneur en acides gras est comprise entre 47 et 52 % en poids et l'acide gras préféré est l'acide linoléïque. L'indice d'acide de la résine est compris entre 50 et 70 mg KOH/g. L'encre d'impression comprend des solvants et des pigments, et elle peut être séchée sous rayonnement UV afin de donner un matériau imprimé utile sur des substrats polymériques.

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