Citation: Ying Xia Wang, Jun Feng, Feng He, Ren Xi Zhuo. Metal-free synthesis of amphiphilic functional polycarbonates[J]. Chinese Chemical Letters, ;2007, 18(12): 1528-1530. doi: 10.1016/j.cclet.2007.09.009 shu

Metal-free synthesis of amphiphilic functional polycarbonates

a Key Laboratory of Eco-textiles(Jiangnan University), Ministry of Education, Wuxi 214122, China;
b Department of Chemistry, Key Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan 430072, China

Received Date: 30 May 2007

Fund Project: This work was supported by the Open Project Program of Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education, China (No.KLET0610), and National Natural Science Foundation of China (No.20104005).

Amphiphilic block copolymers of poly (5-benzyloxy trimethylene carbonate)(PBTMC) and poly (ethylene glycol)(PEG) were synthesized through enzymatic polymerization using immobilized porcine pancreas lipase (IPPL). The obtained copolymers with different compositions were characterized by GPC and ¹H NMR. The copolymer composition was in agreement with the feed ratio. The molecular weight of the copolymers showed an increasing trend with the decrease of PEG contents. Micelles of the copolymers were formed by dialysis procedure, and characterized by transmission electron microscopy (TEM).
- Amphiphilic block copolymer,
- Enzymatic polymerization,
- Polycarbonate
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