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Copolymers of L-lactide and trimethylene carbonate evaluation of surface properties and degradation in aqueous medium

Pamuła E., Gaugain E., Dessart A., Dobrzyński P.

Inżynieria Biomateriałów

2005

R. 8, nr 47-53

25--27

Two poly(L-lactide-co-trimethylene carbanates)s having the carbonate content of 15% and 50%, respectively were prepared by ring-opening copolymerization with the use of zirconium acetylacatonate as an initiator. The copolymers were characterized by NMR,GPC, DSC and AFM. Wettability and surface energy of the copolymers were also evaluated. The copolymers were submitted to degradation in phosphate buffered saline at 37 Celcius degrees for 10 weeks. It was shown that degradation mechanism and kinetics depend on chemical structure of the copolymers.