Less abrasive pigment or printing ink, and method of...

Details Less abrasive pigment or printing ink, and method of... Less abrasive pigment or printing ink, and method of...

C - Chemistry, Metallurgy

09

D

400/1, 6/194, 6/

C09D 11/02 (2006.01) C09B 69/00 (2006.01) C09C 3/08 (2006.01)

Patent

CA 1193776

ABSTRACT OF THE DISCLOSURE: The abrasiveness of a pigment or printing ink is reduced by incorporation of one or more finely divided substances which are insoluble in printing inks and have a Mohs hardness of from 4.5 to 8, the particle size of said substances being less than 55 µm and suitable compounds being iron powder, compounds of iron, zirconium, silicon and magnesium, aluminum silicates, oxides of manganese, tin and cerium, or mixtures of these. The printing inks obtained cause substantially less, or virtually no, abrasion of gravure printing cylinders.

391429

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