Citation: Li Jian LIU Chao ZHANG, Li Qiong LIAO, Xu Li WANG, Ren Xi ZHUO. Microwave-assisted Polymerization of D, L-Lactide with Stannous Octanoate as Catalyst[J]. Chinese Chemical Letters, ;2001, 12(8): 663-664. shu

Microwave-assisted Polymerization of D, L-Lactide with Stannous Octanoate as Catalyst

Department of Polymer Science, College of Chemistry and Molecular Science, Wuhan University The Research Laboratory of SEDC of Biomedical Polymer Materials at Wuhan University, Wuhan 430072

Received Date: 1 February 2001

Fund Project: This work was financially supported by the Research Foundation of SEDC and National 973 Project of China.

Poly (lactic acid) (PLA) was synthesized by microwave-assisted ring-opening poly-merization of D, L-lactide with stannous octanoate (SnOct₂) as catalyst. Its weight-average molar mass (M_w) ranged from 39000 to 67000 and the polydispersity index from 1.3 to 1.7. The polymerization rate was much faster than that of the conventional thermal polymerization. A degradation of newly formed PLA in reaction mixture by microwave irradiation was observed.
- Microwave-assisted ring-opening polymerization,
- Poly (D,L-lactic acid).
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