Printing ink compositions, methods for making same and uses...

Details Printing ink compositions, methods for making same and uses... Printing ink compositions, methods for making same and uses...

C - Chemistry, Metallurgy

09

D

C09D 11/02 (2006.01) C09D 11/10 (2006.01)

Patent

CA 2188148

Aqueous-based printing ink compositions adapted for use in gravure and flexographic printing on hydrophobic substrates are prepared by combining a low-viscosity resin emulsion having an average particle diameter of less than about 0.5 microns and comprised of hydrophobic, moisture resistant, adherent resin forming components with a pigment paste containing a water-soluble polymer. The printing inks are substantially devoid of volatile organic solvent.

On prépare des compositions d'encre d'impression à base aqueuse, s'utilisant pour l'héliogravure et la flexographie sur des substrats hydrophobes, en combinant avec une pâte pigmentaire contenant un polymère hydrosoluble une émulsion résineuse de faible viscosité présentant un diamètre particulaire moyen inférieur à environ 0,5 micron et composée de constituants formant une résine adhésive hydrophobe résistant à l'humidité. Ces encres d'impression sont pratiquement dépourvues de solvant organique volatil.

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