Expandable resol-type phenolic resin molding material, method for producing the same, and phenolic resin foam

摘要

Provided is an expandable resol-type phenolic resin molding material comprising a liquid resol-type phenol resin, foaming agent, foam regulator, acid curing agent, and additive, particularly an expandable resol-type phenolic resin molding material wherein the additive is a nitrogen-containing crosslinked cyclic compound having an average grain size of 80 µm or smaller. Also provided is a phenolic resin foam obtained by foaming and curing the molding material.