Poly(L-lactide) nanocomposite with silsesquioxane derivative for improvement of mechanical properties and biocompatibility

Title
Poly(L-lactide) nanocomposite with silsesquioxane derivative for improvement of mechanical properties and biocompatibility
Authors
박광부최지연김준태박귀덕한동근
Issue Date
2011-09
Publisher
제 3회 아시아 생체재료학회
Abstract
A series of hybrid nanocomposites containing poly(L-lactide) (PLLA) and polyhedral oligomeric silsesquioxane (POSS) were prepared by solvent casting method for enhancement the mechanical properties of PLLA. Two types of PLLA– POSS additives were synthesized via the ring-opening polymerization of L-lactide and POSS in different content and mixed with PLLA matrix to make a type of composites that can show significant improvement in mechanical properties. Polymer composite without intermolecular interaction between POSS and PLLA matrix was fabricated by physical blending and used as control. The nanocomposite composition and their properties were investigated by 1H-NMR, FTIR, SEM, DSC and XRD. Also, protein adsorption and platelet adhesion data confirmed the biocompatibility of these nanocomposites.
URI
http://pubs.kist.re.kr/handle/201004/40349
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KIST Publication > Conference Paper
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