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    • 2. 发明申请
    • NOVEL COMPOSITES FOR GLASS
    • 玻璃新型复合材料
    • WO1994007805A1
    • 1994-04-14
    • PCT/US1993009260
    • 1993-10-04
    • LANDA, LeonidLANDA, Ksenia
    • C03C03/095
    • C03C3/095C03C4/085Y10S501/905
    • A lithium-free glass composition comprising, by weight: 64 % to 75 % SiO2; 11 % to 16 % total of at least one compound selected from the group consisting of B2O3 and BaO, or at least one compound selected from the group consisting of: Al2O3, ZnO, MgO and CaO; 0-15 % total of at least one modifier compound selected from the group consisting of MgO, CaO, and ZnO; 0-7 % K2O; above 10 % Na2O; and 0.1 to 15 % cerium oxide in its reduced form, as dopant. The glass absorbs harmful UV radiation, wavelengths below 350 m(my), but is transparent to radiation above 370 m(my).
    • 一种无锂玻璃组合物,其包含按重量计:64%至75%的SiO 2; 至少一种选自B 2 O 3和BaO的化合物或至少一种选自Al 2 O 3,ZnO,MgO和CaO的化合物的总和为11%至16% 0-15%的至少一种选自MgO,CaO和ZnO的改性剂化合物; 0-7%K2O; 高于10%的Na2O; 和0.1至15%的还原形式的氧化铈作为掺杂剂。 玻璃吸收有害的紫外线,波长低于350米(我),但对370米(以下)的辐射透明。