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1 Engineering of Biomaterials

1 2012

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Synthesis and properties of bioresorbable and highly flexible 1,3-trimethylene carbonate/ε-caprolactone copolymers

Pastusiak M., Dobrzyński P., Smola A., Sobota M.

Engineering of Biomaterials

2012

Vol. 15, no. 113

9--12

Ethyl etoxy zinc (II) has been prepared and emerged as very effective initiators for ring-opening polymerization of 1,3-trimethylene carbonate (TMC) and its copolymerization with ε-caprolactone (CL) to produce high molar mass polymers. The copolymerization of TMC and CL was performed in bulk at 120°C. The obtained copolymers were characterized by multiblock microstructure. The highest reactivity rate was demonstrated by trimethylene carbonate in comparison with ε-caprolactone monomer. The thermal and mechanical properties of the copolymers were strongly dependent on the monomer composition. Preliminary tests of monomers copolymerization using reactive extrusion yielded positive result.