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    • 2. 发明申请
    • LEUCITE GLASS CERAMICS
    • LEUCITE玻璃陶瓷
    • WO2014207244A1
    • 2014-12-31
    • PCT/EP2014/063775
    • 2014-06-27
    • QUEEN MARY AND WESTFIELD COLLEGE UNIVERSITY OF LONDON
    • THEOCHAROPOULOS, AntoniosCHEN, XiaohuiKARPUKHINA, NataliaHILL, RobertCATTELL, Mike
    • C03C3/087C03C3/091C03C4/00C03C10/00
    • C03C10/0018A61K6/026C03B32/02C03C3/087C03C3/091C03C4/0021C03C10/0045C03C10/0054
    • A leucite glass-ceramic is prepared from a glass comprising : about 66.8 to about 71.9 mol % of SiO 2 , about 8.5 to about 10.6 mol % of Al 2 O 3 , about 9.5 to about 12.8 mol % of K 2 O, about 0.5 to about 4.0 mol % of CaO, about 0 to about 3.0 mol % of TiO 2 , about 1.8 to about 4.0 mol % of Na 2 O, about 0.1 to about 6.0 mol % of Li 2 O, about 0 to about 1.0 mol % of MgO, about 0 to about 3.0 mol % of Nb 2 O 5 , and about 0 to about 3.0 mol % of B 2 O 3 . The leucite glass-ceramic is prepared by subjecting the glass components to a nucleation heat treatment, followed by a growth heat treatment. The leucite glass-ceramic may be used in the fabrication of a Dental restoration using various processes, and may be used in the construction of Dental restorations such as ceramic Dental inlays, crowns, veneers, bridges, veneering materials for zirconium oxide restoration substrates, alumina oxide restoration substrates, or metal restoration substrates.
    • 由玻璃制备白云石玻璃陶瓷,包括:约66.8至约71.9摩尔%的SiO 2,约8.5至约10.6摩尔%的Al 2 O 3,约9.5至约12.8摩尔%的K 2 O,约0.5至约4.0摩尔%的 CaO,约0至约3.0mol%的TiO 2,约1.8至约4.0mol%的Na 2 O,约0.1至约6.0mol%的Li 2 O,约0至约1.0mol%的MgO,约0至约3.0mol%的 Nb 2 O 5和约0〜约3.0摩尔%的B 2 O 3。 白云石玻璃陶瓷通过对玻璃成分进行成核热处理,然后进行生长热处理来制备。 白云石玻璃陶瓷可用于使用各种工艺制造牙科修复体,并且可用于牙科修复体的构造,例如陶瓷牙科嵌体,冠,单板,桥,氧化锆修复基底的贴面材料,氧化铝 氧化物修复基板或金属修复基板。