Block copolymers of L-lactide and poly(ethylene glycol) for biomedical applications

@article{Cerral1994BlockCO,
  title={Block copolymers of L-lactide and poly(ethylene glycol) for biomedical applications},
  author={P. Cerral and M. Tricoli and Laurent Lelli and Giulio D. Guerra and R. Sbarbati Del Guerra and Maria Grazia Cascone and Pierre Giusti},
  journal={Journal of Materials Science: Materials in Medicine},
  year={1994},
  volume={5},
  pages={308-313}
}
Poly (L-lactide)-poly (oxyethylene)-poly (L-lactide) block copolymers obtained in bulk, by a ring opening mechanism, from poly (ethylene glycol)s (PEG)s and L-lactide (LA), at 120–140°C, in the absence of added catalysts are described. By using PEGs with different molecular masses, 3000 and 35000, respectively, and varying the initial molar ratio LA to PEG, two series of copolymers with different molecular masses, relative length of blocks and hydrophilicity were obtained. Physico-chemical… CONTINUE READING

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