18-02-2021 дата публикации
Номер: US20210047233A1
Принадлежит:
A silicate-based glass composition includes: 50-70 wt. % SiO, 0.01-10 wt. % PO, 10-30 wt. % NaO, 0.01-10 wt. % CaO, 0.01-10 wt. % MO, and 15-30 wt. % RO, such that MO is the sum of MgO, CaO, SrO, BeO, and BaO, and RO is the sum of NaO, KO, LiO, RbO, and CsO. 1. A silicate-based glass composition , comprising:{'sub': '2', '50-70 wt. % SiO,'}{'sub': 2', '5, '0.01-10 wt. % PO,'}{'sub': '2', '10-30 wt. % NaO,'}0.01-10 wt. % CaO,0.01-10 wt. % MO, and{'sub': '2', '15-30 wt. % RO,'}wherein MO is the sum of MgO, CaO, SrO, BeO, and BaO, and{'sub': 2', '2', '2', '2', '2', '2, 'wherein RO is the sum of NaO, KO, LiO, RbO, and CsO.'}2. The glass composition of claim 1 , further comprising:{'sub': '2', '0.01-10 wt. % KO, and'}0.01-5 wt. % MgO.3. The glass composition of claim 1 , further comprising:{'sub': 2', '3, '0-10 wt. % AlO,'}0-10 wt. % ZnO,{'sub': 2', '3, '0-10 wt. % BO, and'}{'sub': '2', '0-5 wt. % LiO.'}4. The glass composition of claim 1 , configured to have a viscosity of at least 100-poise (P) at temperatures in a range of 1000° C. to 1500° C. claim 1 , and a liquidus temperature in a range of 900° C. to 1200° C.5. A fiber filament comprising the glass composition of claim 1 , having a diameter in a range of 5 μm to 25 μm.6. The fiber filament of claim 5 , further comprising: a biopolymer coating including at least one of: polylactic acid (PLA) claim 5 , polyglycolic acid (PGA) claim 5 , co-polymers thereof (PLGA) claim 5 , poly D claim 5 ,L-lactic acid (PDLLA) claim 5 , poly 3-hydroxybutyrate (P(3HB)) claim 5 , alginate claim 5 , polycaprolactone (PCL) claim 5 , or polyvinyl-alcohol (PVA).7. A yarn comprising at least one fiber filament of claim 6 , where the yarn has at least 50 holes.8. The glass composition of claim 1 , further comprising:hydroxyapatite formation within seven days of immersion in simulated body fluid (SBF).9. The glass composition of claim 8 , wherein the hydroxyapatite formation comprises:granular spherical crystals having at least one size ...
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