Development of composite mixtures based on hydroxyapatite and biogenic elements for the formation of bioactive coatings
E.A. Bogdanova, V.M. Skachkov, K.V. Nefedova
Institute of Solid State Chemistry of the Ural Branch of RAS
DOI: 10.26456/pcascnn/2022.14.771
Original article
Abstract: The hardened composite material with a porous structure was obtained by mechanochemical synthesis of nanostructured hydroxyapatite synthesized by precipitation from an aqueous solution with reinforcing additives of zirconium dioxide and silicic acid. Food gelatin is used as a binder. The influence of the phase composition on the physico-chemical properties of coatings (adhesive strength, microhardness, specific surface area, microstructure) is estimated. It has been established that the use of composite material together with gelatin as a part of a bioactive coating makes it possible to increase its hardness and adhesive strength. A patent application has been filed for the developed bioactive coatings based on nanoscale hydroxyapatite and biogenic elements with a binding agent. The composition of the dry mixture based on hydroxyapatite has been developed, which ensures a long shelf life without negative consequences and creates simple transportation conditions. Dilution of the dry mixture with distilled water gives a suspension that is convenient to use for coating implants of any configuration.
Keywords: hydroxyapatite, composite materials, biogenic elements, gelatin, collagen, bioactive coatings, adhesion
- Ekaterina A. Bogdanova – Ph. D., Senior Researcher, Laboratory of Heterogeneous Processes, Institute of Solid State Chemistry of the Ural Branch of RAS
- Vladimir M. Skachkov – Ph. D., Senior Researcher, Laboratory of Heterogeneous Processes, Institute of Solid State Chemistry of the Ural Branch of RAS
- Ksenia V. Nefedova – Researcher, Laboratory of promising and functional materials for CCS, Institute of Solid State Chemistry of the Ural Branch of RAS
Reference:
Bogdanova, E.A. Development of composite mixtures based on hydroxyapatite and biogenic elements for the formation of bioactive coatings / E.A. Bogdanova, V.M. Skachkov, K.V. Nefedova // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2022. — I. 14. — P. 771-781. DOI: 10.26456/pcascnn/2022.14.771. (In Russian).
Full article (in Russian): download PDF file
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