Non aqueous dispersion ink with improved shelf life, tack...

Details Non aqueous dispersion ink with improved shelf life, tack... Non aqueous dispersion ink with improved shelf life, tack...

C - Chemistry, Metallurgy

09

D

C09D 11/02 (2006.01) C09D 11/08 (2006.01)

Patent

CA 2107641

Ink formulations have been conceived that result in inks having improved shelf life, tack and flow properties so that problems relating to ink plugging with contemporary ink pads are reduced. Another advantage of the inks is that they have improved paper dust resistance. These inks are made of a coloring material having an organic pigment dispersed in a modified rosin ester or dispersed in a modified rosin ester and triazine formaldehyde aryl sulphonamide resin dispersed in an alkyd oil. The solvent system is preferably composed of non drying solvents such as emollients and high molecular weight glycols.

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