Polymerization of resole resins with several formaldehyde/phenol molar ratios: Amine catalysts against sodium hydroxide catalysts

1. Gabilondo, N.
2. Larrañaga, M.
3. Peña, C.
4. Corcuera, M.A.
5. Echeverría, J.M.
6. Mondragon, I.