Figure 3.
(a) The activation energy behaviors of the curing reaction versus conversion. Adapted from Ref. [56] with permission from Elsevier. (b) Schematic representation of demethylated lignin phenol-based epoxy monomer and resin.
(a) The activation energy behaviors of the curing reaction versus conversion. Adapted from Ref. [56] with permission from Elsevier. (b) Schematic representation of demethylated lignin phenol-based epoxy monomer and resin.