Novel classes of lignin-derived poly(carbonate ester)s, poly(carbonate ester)s pending amide moiety oligomers, and poly(carbonate urethane)s have been designed and synthesized.
The reversible reaction of CO2 with alcohols mediated by organic superbases was firstly developed to be a toolbox for capturing CO2 into polymerizable carbonate monomers applicable for thiol–ene click and ADMET polymerization to produce new libraries of polycarbonates.
Novel unsaturated and saturated monomers with a hydroxyl group and a carboxylic group via aldol condensation reaction of lignin‐derived aromatic aldehydes with levulinic acid were prepared through organocatalysis and hydrogenation, respectively. The catalytic process was optimized and the structure of the monomers were full characterized. The as‐prepared monomers were ready for the subsequent condensation polymerization to achieve a serial of novel full biobased poly(ester ketone)s. The chemical‐physical properties of the poly(ester ketone)s were evaluated. This provides a green upgrading strategy to prepare sustainable synthetic polymers from building blocks available on a large scale using a catalytic biorefinery approach.
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