Electrostatic printing inks

G - Physics – 03 – G

Patent

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Details

96/56, 400/7028,

G03G 9/12 (2006.01) G03G 9/13 (2006.01)

Patent

CA 1043612

ABSTRACT OF THE DISCLOSURE Liquid developer compositions for development of latent electrostatic images are disclosed. The electrostatic printing inks dry at ambient temperatures by penetration into paper leaving a continuous film having excellent rub resistance on the surface. The non-volatile, low viscosity inks comprise about 3-20% pigment and/or dye, about 5-35 of resinous particles having a size of 5 microns or less and having glass transition temperatures close to or below ambient temperature, said resinous particles being dispersed in the liquid carrier, 0-25% dispersing agent and about 25-90% non-volatile, high boiling organic liquid carrier and/or solvent.

192390

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