Expandable resol-type phenolic resin molding material and phenolic resin foam

Abstract From the Canadian patent

The object of the present invention is to provide an expandable or foamable resol-type phenolic resin forming material that gives a phenolic resin foamed material or article which is excellent in strength and improved in brittleness and which has a high pH as compared with conventional materials or articles and has an excellent anti-corrosion property against a contact member and a , phenolic resin foamed material or article having the above properties, obtained by foaming the same which are a , foamable resol type phenolic resin forming material comprising a liquid resol type phenolic resin a blowing , agent, a foam stabilizer, an additive and an acid curing agent, said blowing …