Photoinitiators for use in intaglio printing inks

Details Photoinitiators for use in intaglio printing inks Photoinitiators for use in intaglio printing inks

C - Chemistry, Metallurgy

09

D

C09D 11/02 (2006.01) B41M 1/10 (2006.01) C09D 11/10 (2006.01)

Patent

CA 2562991

An intaglio printing ink, curing by free radical acrylate chemistry, which does not fluoresce in at least the visible region under ultraviolet light is prepared by using an acylphosphine oxide as the photoinitiator.

La présente invention concerne une encre pour impression en creux, durcie par un processus chimique à base d'acrylate radicalaire, laquelle encre ne devient pas fluorescente au moins dans la zone visible sous une lumière UV. Cette encre est préparée au moyen d'un oxyde acylphosphine en tant que photo-initiateur.

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