Abstract
AbstractThis article describes thermally latent addition of epoxides and hemiacetal esters using novel latent accelerators. As latent accelerators for the thermally‐controlled (poly)addition, we desinged schiff‐base zinc chloride complexes (ZnCl2/1R) and salen‐zinc complex (Zn/2). This latent reaction takes place via the reaction of epoxides and carboxylic acids produced from thermal dissociation of hemiacetal esters at moderate temperatures. Use of bifunctional monomers give the corresponding polyesters with side chains bearing acetal and hydroxyl group through the polymerization using the catalysts with tuned Lewis acidities. Zn/2 shows a sharper temperature dependence than ZnCl2/1H.
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