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Functionalized Copolymers and Their Composites with Polylactide And Hydroxyapatite

Published online by Cambridge University Press:  15 February 2011

S. Jin and
K. E. Gonsalves
S. Jin
Affiliation:
Department of Chemistry & Polymer Program at the Institute of Materials Science U- 136, University of Connecticut, Storrs, CT 06269, USA
K. E. Gonsalves
Affiliation:
Department of Chemistry & Polymer Program at the Institute of Materials Science U- 136, University of Connecticut, Storrs, CT 06269, USA
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Abstract

Synthetic copolymers poly(E-caprolactone-co-vinylphosphonic acid) (P(MDOVPA) and poly(E-caprolactone-co-dimethylvinylphosphoester) (P(MDOVPE)) were used to prepare composites with polylactide (PLac) and hydroxyapatite (HAp). The P(MDOVPA) was used as filler in PLac films, as it has pendant functional groups P(O)(OH)2, providing nucleation sites for the deposition of HAp in simulated body fluid. HAp growth on PLac-P(MDOVPA) film was observed by XRD. The incorporation of hydrophilic P(MDOVPE) into PLac increased the hydrophilicity of the blend. Synthetic HAp was also used to make multi-layered, alternating organic-inorganic composites with porous PLac-P(MDOVPE) blends.

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