Calcium Phosphate Foam Ceramic Based on Hydroxyapatite–Brushite Powder Mixtureстатья
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Дата последнего поиска статьи во внешних источниках: 12 января 2022 г.
Аннотация:The introduction of 10 – 50% (by weight) brushite powder, preheated at 50° and then fired at 1200°C, into a permeating suspension based on hydroxyapatite powder heat-treated at 800°C results in partial decomposition of hydroxyapatite to the - and -modifications of tricalcium phosphate. The presence of a tricalcium phosphate phase in calcium phosphate foam ceramic promotes an increase of the porosity from 40 to 60% and the resorption with significant static strength reduction from 3 – 7 to 0.3 MPa.
Key words: calcium phosphate foam ceramic, polyurethane foam, hydroxyapatite, brushite, tricalcium phosphate, polyvinyl alcohol, biomaterials.