Bio-active glass ceramic and preparation method thereof
A bioactive glass and ceramic technology, applied in the field of bioactive materials, can solve the problems of high brittleness and low mechanical strength, and achieve the effects of large output, simple and easy preparation process, and easy control of process parameters
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Embodiment 1
[0025] A bioactive glass-ceramic, comprising the following raw materials in parts by weight: 58 parts of sodium oxide, 18 parts of zirconia, 12 parts of phosphorus pentoxide, 8 parts of sodium fluoride, 8 parts of strontium oxide, 22 parts of silicon dioxide, 30 parts of zinc, 6 parts of ammonium polyacrylate.
[0026] Wherein, the particle diameter of silicon dioxide is 250nm, the particle diameter of zinc oxide is 500nm, and the relative molecular mass of ammonium polyacrylate is 1000.
[0027] Prepare the preparation method of above-mentioned bioactive glass-ceramic, comprise the following steps:
[0028] (1) Weigh sodium oxide, zirconium oxide, phosphorus pentoxide, sodium fluoride, strontium oxide, silicon dioxide, zinc oxide and ammonium polyacrylate in parts by weight, mix and add in the orange pot;
[0029] (2) Heating the crucible, keeping it at 1500°C for 2 hours, quenching to form a frit, and crushing into glass powder;
[0030] (3) Melt the glass powder in a citr...
Embodiment 2
[0033] A bioactive glass-ceramic, comprising the following raw materials in parts by weight: 50 parts of sodium oxide, 12 parts of zirconia, 5 parts of phosphorus pentoxide, 6 parts of sodium fluoride, 4 parts of strontium oxide, 16 parts of silicon dioxide, 10 parts of zinc, 3 parts of ammonium polyacrylate.
[0034] Wherein, the particle diameter of silicon dioxide is 350nm, the particle diameter of zinc oxide is 800nm, and the relative molecular mass of ammonium polyacrylate is 5000.
[0035] Prepare the preparation method of above-mentioned bioactive glass-ceramic, comprise the following steps:
[0036] (1) Weigh sodium oxide, zirconium oxide, phosphorus pentoxide, sodium fluoride, strontium oxide, silicon dioxide, zinc oxide and ammonium polyacrylate in parts by weight, mix and add in the orange pot;
[0037] (2) Heating the crucible, holding it at 1600°C for 1 hour, quenching to form a frit, and crushing into glass powder;
[0038] (3) Melt the glass powder in a citrus...
Embodiment 3
[0041] A bioactive glass-ceramic, comprising the following raw materials in parts by weight: 70 parts of sodium oxide, 25 parts of zirconia, 16 parts of phosphorus pentoxide, 12 parts of sodium fluoride, 14 parts of strontium oxide, 28 parts of silicon dioxide, 40 parts of zinc, 10 parts of ammonium polyacrylate.
[0042] Among them, the particle size of silicon dioxide is 300nm, the particle size of zinc oxide is 600nm, and the relative molecular mass of ammonium polyacrylate is 3000
[0043] Prepare the preparation method of above-mentioned bioactive glass-ceramic, comprise the following steps:
[0044] (1) Weigh sodium oxide, zirconium oxide, phosphorus pentoxide, sodium fluoride, strontium oxide, silicon dioxide, zinc oxide and ammonium polyacrylate in parts by weight, mix and add in the orange pot;
[0045] (2) Heating the crucible, holding it at 1550°C for 1.5h, quenching to form a frit, and crushing into glass powder;
[0046] (3) Melt the glass powder in a citrus pot...
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