Radiation-curable inks

Details Radiation-curable inks Radiation-curable inks

2005-05-24

2005-05-24

Berman, Susan (Department: 1711)

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

C522S008000, C522S009000, C522S014000, C522S018000, C522S075000, C522S083000, C522S071000, C522S010000, C347S099000, C347S100000

Reexamination Certificate

active

06896937

ABSTRACT:
Radiation-curable ink compositions and methods of printing including the compositions are disclosed. In some embodiments, a radiation-curable hot melt ink composition includes a colorant, a polymerizable monomer, and a photoinitiating system. The photoinitiating system can include 0.5-1.5% by weight of an aromatic ketone photoinitiator, 2-10% by weight of an amine synergist, 3-8% by weight of an alpha-cleavage type photoinitiator, and 0.5-1.5% by weight of a photosensitizer.

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