In this work was development of new methods of synthese the hydrogel composites with nanoparticles of hydroxyapatite using sol-gel synthesis. At first the nanoparticles were synthesized in the presence of the peroxide oligomers which at the next stage provided polyacrylamide grafting on to the surface nanoparticles; that resulted in formation of the powder-xerogels capable to turn in to hydrogels. In accordance with other approach, the hydrogels filled were formed via in situ synthesis of the hydroxyapatite nanoparticles directly inside of the crosslinked polyacrylamide gels. The shape, composition and structure of the hydroxyapatite nanoparticles as well as polymer composites were investigated applying gas-liquid chromatography, X-RD analysis, scanning electron microscopy.
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