(Meth) Acrylic acid ester, activation energy ray curing composition, and inkjet recording ink

摘要

(Meth)acrylic acid ester, which contains one or more partial structures each represented by the following formula 1 in a molecule thereof, wherein the partial structure is a urethane structure which does not have a hydrogen atom directly bonded to a nitrogen atom of the following formula 1:
where the nitrogen atom is not bonded to a hydrogen atom.