ACTIVE ENERGY RADIATION HARDENABLE FLEXOGRAPHIC INK AND ACTIVE ENERGY RADIATION HARDENABLE GRAVURE INK

摘要

PROBLEM TO BE SOLVED: To provide an active energy radiation hardenable gravure ink and active energy radiation hardenable flexographic ink that are reduced in the environmental load, safe and excellent in the long-term storage stability.

SOLUTION: The active energy radiation hardenable gravure ink and active energy radiation hardenable flexographic ink comprise an active energy radiation hardenable composition containing at least one photoacid generator selected from sulfonium salts represented by general formulae [1] to [4].

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