A preparation method of nano-loaded zinc hydroxyapatite porous bioceramics
A nano-hydroxyapatite and hydroxyapatite technology, applied in ceramic products, other household appliances, household appliances, etc., can solve problems such as long-term pain at the bone graft site, mismatch of artificial bone osteogenesis rate, and bone graft delay. , to improve the osteogenic induction ability, good osteogenic induction ability, and promote the effect of osteogenesis
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Embodiment 1
[0026] (1) Using nano-zinc with a purity of ≥99.9% and a particle size of 50-60nm and nano-hydroxyapatite powder with a purity of ≥99.7% and a particle size of 80-100nm as raw materials, weigh nano-zinc at a mass ratio of 1:99 and nano-hydroxyapatite powder.
[0027] (2) Put the powder raw material weighed in step (1) into a vacuum ball mill tank, add stainless steel balls, absolute ethanol and polyethylene glycol as a dispersant, vacuumize to 10Pa, and then fill with argon with a purity of 99.999% Air, placed on a planetary ball mill, ball milled at a speed of 300r / min for 8h, dried and ground in a vacuum oven at 60°C to obtain a hydroxyapatite composite powder loaded with nano-zinc.
[0028] (3) The hydroxyapatite composite powder loaded with nano-zinc obtained in step (2) was uniformly mixed with the powder of ammonium bicarbonate, a pore-forming agent with a purity AR and an average particle size of 500 μm, at a mass ratio of 75:25 to obtain a mixed powder.
[0029] (4) P...
Embodiment 2
[0032] Using nano-zinc with a purity of ≥99.9% and a particle size of 50-60nm and nano-hydroxyapatite powder with a purity of ≥99.7% and a particle size of 80-100nm as raw materials, weigh nano-zinc and nano-hydroxyapatite at a mass ratio of 3:97 Apatite powder, other process steps and parameters are consistent with embodiment 1.
Embodiment 3
[0034] Using nano-zinc with a purity of ≥99.9% and a particle size of 50-60nm and nano-hydroxyapatite powder with a purity of ≥99.7% and a particle size of 80-100nm as raw materials, weigh nano-zinc and nano-hydroxyapatite at a mass ratio of 5:95 Apatite powder, other process steps and parameters are consistent with embodiment 1.
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