Radiation-curable inks for flexographic and screen-printing...

Details Radiation-curable inks for flexographic and screen-printing... Radiation-curable inks for flexographic and screen-printing...

2007-11-06

2007-11-06

Niland, Patrick (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C101S034000, C101S128100, C101S211000, C270S001010, C427S150000, C428S500000, C522S090000, C522S100000, C522S104000, C522S173000, C522S178000, C523S161000, C524S555000, C524S558000, C524S612000

Reexamination Certificate

active

10682874

ABSTRACT:
The present invention relates generally to radiation-curable ink formulations, and particularly, but not by way of limitation, to a family of radiation-curable ink formulations specifically for flexographic and screen printing applications. The inventive ink formulations are based on multifunctional acrylate resins formed by the reaction of acrylate monomers and oligomers with β-keto esters (e.g., acetoacetates), β-diketones (e.g., 2,4-pentanedione), β-keto amides (e.g., acetoacetanilide, acetoacetamide), and/or other β-dicarbonyl compounds that can participate in Michael addition reactions.

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