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Dynamic mechanical properties of hydroxyapatite-reinforced and porous starch-ba...
Mano, J. F.; Vaz, Cláudia M.; Mendes, Sandra C.; Reis, R. L.; Cunha, A. M.It has been shown that blends of starch with a poly(ethylene-vinyl-alcohol) copolymer, EVOH, designated as SEVA-C, present an interesting combination of mechanical, degradation and biocompatible properties, specially when filled with hydroxyapatite (HA). Consequently, they may find a range of applications in the biomaterials field. This work evaluated the influence of HA fillers and of blowing agents (used to p...
Processing and in vitro degradation of starch/EVOH thermoplastic blends
Reis, R. L.; Mendes, Sandra C.; Cunha, A. M.; Bevis, M. J.This paper describes the processing dependence of the mechanical properties of three blends of starch/ethylene vinyl alcohol (EVOH) with potential uses as biomaterials. These blends exhibit a distinct rheological behaviour and mechanical performance. Using shear controlled orientation in injection moulding (Scorim) it was possible to induce anisotropy into the mouldings and to simultaneously enhance sti†ness an...
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