Abstract
A new aliphatic polycarbonate, terpolymer of carbon dioxide, propylene oxide, and dl-lactide, was synthesized by using a polymer-supported bimetallic complex as a catalyst. The terpolymer prepared was characterized by FT-IR, 1H NMR, 13C NMR, 1H–1H COSY, DSC, and WAXD measurements. The influence of molar ratio on the terpolymerization progress was investigated. The results showed that lactide unit was inserted into the backbone of CO2–PO successfully. Because of the existence of the lactide ester unit, the terpolymers had stronger degradability than poly(propylene carbonate).
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