Journal of Polymer Research

, Volume 17, Issue 6, pp 759–768 | Cite as

A semiempirical study of CO2 elimination in cationic polymerization of cyclic carbonates

Original Paper


The reaction paths of 1,3-dioxan-2-one during cationic ring-opening polymerization have been explored by AM1 semiempirical calculations. A species evolution diagram has been established, and the propagation chain ends on the ether-oxygen of carbonyl functional groups have been identified as the species that ultimately lead to decarboxylation. Three measures were proposed to reduce the degree of decarboxylation based on theoretical calculations: increasing the monomer concentration; decreasing the solvent polarity; and altering the ring substituents so as to bypass the decarboxylation route. Experimental investigations on a number of substituted DOO (including 4-vinyl-1,3-dioxan-2-one and its derivatives) support this conclusion.


AM1 Cationic polymerization Expanding monomer Carbon dioxide elimination 


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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Department of ChemistryUniversity of Missouri-Kansas CityKansas CityUSA

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