초록 |
There has been an increasing interest in developing environmentally friendly and sustainable polymers from biomass-based monomers as alternatives to petroleum-based polymers because of depleting fossil resources and environmental concerns. Bis(hydroxymethyl)furan (BHMF) is a promising biomass‐derived polymer platform, but it is incompatible with traditional methods used for synthesizing polycarbonates (PCs) owing to its thermal instability. In this study, BHMF‐based furanic (FR) PCs were prepared successfully at a relatively low temperature through the mediation of carbonyldiimidazole. The low Tg of aliphatic FR‐PCs was controlled elaborately, exploiting the reactivity of furan in the Diels–Alder reactions and the molecular rigidity of the resulting oxabicycles. The Tg was proportional to the maleimide content reacted with the furan group in the polymer chain. |