Abstract
Poly(alkylene carbonate)s have been synthesized by the melt-phase interchange reaction of aliphatic diols with dimethyl carbonate. Aliphatic polycarbonates with inherent viscosities of 0.3 to 0.8 dlg −1 have been obtained. Polycarbonates derived from alicyclic diols show a T g below room temperature and a T m in the range 50–60°C. However, the polycarbonate derived from a cyclic diol, namely 1,4-bis(hydroxymethyl)-cyclohexane, shows a T g of + 35°C and a T m of + 97°C, the highest yet reported for this class of polymers.
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