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1 Polish Journal of Applied Chemistry

1 2009

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Reinforced polymer for scaffolds for bone tissue regeneration

Woźniak P., Sosnowski S., Słomkowski S.

Polish Journal of Applied Chemistry

2009

Vol. 53, nr 2

195-201

A hybrid nanosilica-polymer material with the surface adaptable to hydrophilic/hydrophobic environment was obtained by modification of parent nanosilica by attachment of 3-glycidoxypropyltri-mcthoxysilane with subsequent grafting of hydrophobic and hydrophilic polymers. First, living PEO was "grafted onto" the modified nanoparticles in reaction with oxiranc rings of the 3-glycidoxypropyl moieties. Then L-lactidc was "grafted from" the surface by ring opening polymerization. Modified nanosilicas were used as fillers of poly(L-lactide-co-glycolide). Influence of nature and content of fillers on mechanical properties of composites were investigated.