RADIATION-CURING, PEELABLE PRESSURE-SENSITIVE ADHESIVE

摘要

PROBLEM TO BE SOLVED: To provide a radiation-curing, peelable pressure-sensitive adhesive having proper adhesion performances from the beginning of the adhesion of mutual by contacted two cured layers by appling a strong pressure, without deforming an adhesive layer non increasing or losing adhesive strength under the environment where the adhesive is allowed to stand at a high temperature or exposed to water or a high humidity for a long time. SOLUTION: This radiation-curing removable pressure-sensitive adhesive comprises a >=2-functional special urethane (meth)acrylate obtained by reacting (A) at least one polyol represented by the specific formulae with (B) a diisocyanate and (C) a hydroxy(meth)acrylate as an active ingredient.