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Funct. Mater. 2018; 25 (3): 546-553.

doi:https://doi.org/10.15407/fm25.03.546

Hybrid organo-inorganic composite materials of incorporative type based on calcium phosphates for bone surgery

S.P.Krivileva1, O.M.Rassokha1, O.Yu.Zakovorotnyi1, M.G.Zinchenko1, N.O.Bukatenko1, V.I.Zhukov2

1National Technical University Kharkiv Polytechnic Institute, 2 Kyrpichova Str., 61000 Kharkiv, Ukraine
2Kharkiv National Medical University, 4 Nauky Ave., 61000 Kharkiv, Ukraine

Abstract: 

Proposed is a concept for the obtaining of a hybrid organo-inorganic composite material of incorporative type with a binder based on sevilen and an inorganic filler based on nanoparticles of Ca3(PO4)2 nanoparticles. The binder simultaneously contains two different phases: α- and β-modifications of Ca3(PO4)2 separated by a coherent boundary. It is shown that during the formation of the composite several processes occur simultaneously. They are: partial hydration of α-Ca3(PO4)2, partial hydrolysis of sevilen, as well as intermolecular structuring due to the formation of chelate complexes. Studied is the effect of the composition, structure, the ratio of initial components on the properties of the composite.

Keywords: 
hybrid organo-inorganic composite, coherent boundary, incorporative type, structuring mechanism, chelate complex.
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