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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.
The ring opening polymerization of 2,2-dimethyltrimethylene carbonate (DTC) initiated by single component of tris (2,6-di-tert-butyl-4-methylphenoxo) lanthanide 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.