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US 2019/0161391 A1Published application
High liquidus viscosity bioactive glass
AssigneeCorning Incorporated
InventorsHuayun Deng, Qiang Fu, John Christopher Mauro, Michael Joshua Snyder
Life of this patent
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Abstract
A bioactive glass composition including: 50 to 70% SiO2; 0.1 to 10% Al2O3, 5 to 30% Na2O, 0.1 to 15% K2O, 0.1 to 15% MgO, 0.1 to 20% CaO, and 5 to 10% P2O5, based on a 100 wt % of the composition. Also disclosed is a method of making the bioactive glass composition.
Claims12
A bioactive glass composition comprising:
- 50 to 70% SiO2;
- 0.1 to 10% Al2O3,
- 5 to 30% Na2O,
- 0.1 to 15% K2O,
- 0.1 to 15% MgO,
- 0.1 to 20% CaO, and
- 5 to 10% P2O5, based on a 100 wt % of the composition.
4 more elements
A bioactive glass composition comprising:
- 60 to 70% SiO2,
- 15 to 30% Na2O,
- 5 to 15% K2O,
- 1 to 10% CaO, and
- 5 to 10% P2O5, based on a 100 wt % of the composition.
2 more elements
A method of making a bioactive glass fiber comprising:
- forming a melt of the glass composition comprising:
- 50 to 70% SiO2;
- 0.1 to 10% Al2O3,
- 5 to 30% Na2O,
- 0.1 to 15% K2O,
- 0.1 to 15% MgO,
- 0.1 to 20% CaO, and
- 5 to 10% P2O5, based on a 100 wt % of the composition, until the melt has a viscosity of from 200 to 2,000 poise;
- and
- drawing the melt into a drawn glass fiber.
7 more elements
Dependencies are inferred from the claim text.