Activation energy line hardening type flexo graphic ink and activation energy line hardening type rotogravure ink

摘要

It offers the activation energy line hardening type rotogravure ink and the activation energy line hardening type flexo graphic ink which are superior in the retention stability where as for this invention, the load for environment is little, being safe, at the same time covers the long period of time. This activation energy line hardening type rotogravure ink and the activation energy line hardening type flexo graphic ink is displayed with the below-mentioned general formula (1) or (4) feature that the activation energy line hardening type composition which at least contains the optical acid occurrence medicine of 1 where it is chosen from the sulfonium salt which kinds is included. Conversion 1