A thermosetting composition containing a blocking agent dissociation catalyst for blocked isocyanate and the blocking agent dissociation catalyst.

摘要

A blocking agent dissociation catalyst for blocked isocyanate containing a nitrogen-containing compound represented by the formula (1a). Formula (1a): [Chemical formula 1] (In the formula, D is formula (2): [Chemical formula 2] (in the formula, R1, R2, R3, R4 and a are as described in the specification).