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. 2017 Jan 17;22(1):149. doi: 10.3390/molecules22010149

Scheme 5.

Scheme 5

Two main industrial processes for the synthesis of monomers and oligomers of diglycidyl ether of vanillyl alcohol (DGEBA): (i) the taffy process with a controlled excess of epichlorohydrin and (ii) the advancement/fusion process using an excess of a pre-synthesized DGEBA monomer.