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COMPOSITE CERAMIC MATERIALS IN THE Na2O-CaO-SiO2-P2O5 SYSTEM FOR MEDICAL APPLICATIONтезисы доклада Тезисы
- Авторы: Kaimonov M.R., Safronova T.V., Tikhomirova I.N., Shatalova T.B.
- Сборник: Book of Abstracts XII International Conference on Chemistry for Young Scientists «Mendeleev 2021»
- Тезисы
- Год издания: 2021
- Место издания: St. Petersburg University
- Первая страница: 230
- Последняя страница: 230
- Аннотация: This work aimed to obtain a biocompatible ceramic material based on synthetic calcium phosphates and the aqueous solution of sodium silicate with a given phase composition in the Na2O–CaO–SiO2–P2O5 system intended for use in medicine. Pre-ceramic semi-finished products in the form of blocks were obtained by moulding in silicone moulds, and simple 3-dimensional layered geometric shapes were obtained by extrusion moulding using a syringe. The samples hardening occurred spontaneously both due to polycondensation of an aqueous sodium silicate solution and because of air-drying. Ceramic materials after firing at 1000°С consisted of sodium-calcium silicate Na6Ca3Si6O18 and β-rhenanite β-NaCaPO4. The geometric density of materials for all samples after firing at 1000℃ was 0.76 – 0.78 g/cm3, and the compressive strength was 2.5 – 3.5 MPa. The highly concentrated suspensions based on synthetic calcium phosphates and the aqueous sodium silicate solution can be recommended for porous composite biomaterials preparation with both defined geometry and a porous architecture of implants using extrusion 3D printing. The approach proposed in the current work allows one to achieve a given phase composition of composite biocompatible ceramic materials in the Na2O–CaO–SiO2–P2O5 system. This work was supported by the Russian Foundation for Basic Research (project No 18-29-11079).
- Добавил в систему: Каймонов Максим Русланович
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Kajmonov_M.R._Sbornik_tezisov_Mendeleev2021.pdf | Kajmonov_M.R._Sbornik_tezisov_Mendeleev2021.pdf | 818,3 КБ | 3 мая 2023 [KaimonovMR] |