Hydroxy apatite/zirconia composite bio-ceramic and preparation method thereof
A composite bioceramic and hydroxyapatite technology, applied in dental preparations, tissue regeneration, pharmaceutical formulations, etc.
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Embodiment 1
[0027] A hydroxyapatite / zirconia composite bioceramic uses hydroxyapatite powder as a matrix material and nano zirconia as a coating material, and the surface of the hydroxyapatite powder is coated with nano zirconia.
[0028] According to the preparation method provided by the present invention, the above-mentioned hydroxyapatite / zirconia composite bioceramic is prepared, and the steps are as follows:
[0029] (1) Preparation of hydroxyapatite powder: CaHPO 4 with CaCO 3 The ratio of the amount of substances is 6:4 for batching; then perform wet ball milling for 24 hours; pour the ball-milled slurry into a container, add distilled water, and stir at a constant temperature of 95°C. After the reaction is completed, place it for precipitation Obtain white hydroxyapatite precipitate, then dry and pass through a 200-mesh sieve;
[0030] (2) Put the hydroxyapatite powder into the chemical vapor deposition reaction chamber to carry out the chemical vapor deposition reaction: use z...
Embodiment 2
[0037] A hydroxyapatite / zirconia composite bioceramic uses hydroxyapatite powder as a matrix material and nano zirconia as a coating material, and the surface of the hydroxyapatite powder is coated with nano zirconia.
[0038] According to the preparation method provided by the present invention, the above-mentioned hydroxyapatite / zirconia composite bioceramic is prepared, and the steps are as follows:
[0039] (1) Preparation of hydroxyapatite powder: CaHPO 4 with CaCO 3 The ratio of the amount of substances is 6:4 for batching; then perform wet ball milling for 24 hours; pour the ball-milled slurry into a container, add distilled water, and stir at a constant temperature of 95°C. After the reaction is completed, place it for precipitation Obtain white hydroxyapatite precipitate, then dry and pass through a 200-mesh sieve;
[0040] (2) Put the hydroxyapatite powder into the chemical vapor deposition reaction chamber to carry out the chemical vapor deposition reaction: use z...
Embodiment 3
[0047] A hydroxyapatite / zirconia composite bioceramic uses hydroxyapatite powder as a matrix material and nano zirconia as a coating material, and the surface of the hydroxyapatite powder is coated with nano zirconia.
[0048] According to the preparation method provided by the present invention, the above-mentioned hydroxyapatite / zirconia composite bioceramic is prepared, and the steps are as follows:
[0049] (1) Preparation of hydroxyapatite powder: CaHPO 4 with CaCO 3 The ratio of the amount of substances is 6:4 for batching; then perform wet ball milling for 24 hours; pour the ball-milled slurry into a container, add distilled water, and stir at a constant temperature of 95°C. After the reaction is completed, place it for precipitation Obtain white hydroxyapatite precipitate, then dry and pass through a 200-mesh sieve;
[0050] (2) Put the hydroxyapatite powder into the chemical vapor deposition reaction chamber to carry out the chemical vapor deposition reaction: use zir...
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