Citation: Jun LING, Yi Feng ZHANG, Zhi Quan SHEN. Rare Earth Complex Initiated Ring-Opening Polymerization of 2,2-Dimethyltrimethylene Carbonate[J]. Chinese Chemical Letters, ;2001, 12(1): 41-42. shu

Rare Earth Complex Initiated Ring-Opening Polymerization of 2,2-Dimethyltrimethylene Carbonate

Institute of Polymer Science Zhejiang University Hangzhou 310027

Received Date: 12 June 2000

The ring opening polymerization of 2,2-dimethyltrimethylene carbonate (DTC) initiated by single component of tris(2,6-di-tert-butyl-4-methylphenoxo) lanthanide (Ln(OAr)₃) is reported. The initiators are highly active to the polymerization and give high molecular weight polymers. 1HNMR spectra and DSC measurement suggest the polymerization is free of decarboxylation. Mechanism study shows that the monomer insertion is via the break of acyl-oxygen bond of DTC.
- Tris(2,6-di-tert-butyl-4-methylphenoxo) lanthanide,
- 2,2-dimethyltrimethylene carbonate,
- ring-opening polymerization.
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