Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
METHOD FOR PREPARING NANO LITHIUM DISILICATE GLASS-CERAMIC
The present invention relates to a silicate glass, a method for preparing a silicate glass-ceramics by using the silicate glass, and a method for preparing a lithium disilicate glass-ceramics by using the silicate glass, and more particularly, to a method for preparing a glass-ceramics that has a nanosize of 0.2 to 0.5 µm and contains lithium disilicate and silicate crystalline phases. A nano lithium disilicate glass-ceramics containing a SiO 2 crystalline phase includes: a glass composition including 70 to 85 wt% SiO 2 , 10 to 13 wt% Li 2 O, 3 to 7 wt% P 2 O 5 working as a nuclei formation agent, 0 to 5 wt% Al 2 O 3 for increasing a glass transition temperature and a softening point and enhancing chemical durability of glass, 0 to 2 wt% ZrO 2 , 0.5 to 3 wt% CaO for increasing a thermal expansion coefficient of the glass, 0.5 to 3 wt% Na 2 O, 0.5 to 3 wt% K 2 O, and 1 to 2 wt% colorants, and 0 to 2.0 wt% mixture of MgO, ZnO, F, and La 2 O 3 .
METHOD FOR PREPARING NANO LITHIUM DISILICATE GLASS-CERAMIC
The present invention relates to a silicate glass, a method for preparing a silicate glass-ceramics by using the silicate glass, and a method for preparing a lithium disilicate glass-ceramics by using the silicate glass, and more particularly, to a method for preparing a glass-ceramics that has a nanosize of 0.2 to 0.5 µm and contains lithium disilicate and silicate crystalline phases. A nano lithium disilicate glass-ceramics containing a SiO 2 crystalline phase includes: a glass composition including 70 to 85 wt% SiO 2 , 10 to 13 wt% Li 2 O, 3 to 7 wt% P 2 O 5 working as a nuclei formation agent, 0 to 5 wt% Al 2 O 3 for increasing a glass transition temperature and a softening point and enhancing chemical durability of glass, 0 to 2 wt% ZrO 2 , 0.5 to 3 wt% CaO for increasing a thermal expansion coefficient of the glass, 0.5 to 3 wt% Na 2 O, 0.5 to 3 wt% K 2 O, and 1 to 2 wt% colorants, and 0 to 2.0 wt% mixture of MgO, ZnO, F, and La 2 O 3 .
METHOD FOR PREPARING NANO LITHIUM DISILICATE GLASS-CERAMIC
VERFAHREN ZUR HERSTELLUNG VON NANO LITHIUM DISILIKAT GLASKERAMIK
PROCÉDÉ DE PRÉPARATION D'UNE NANO VITROCÉRAMIQUE DE DISILICATE DE LITHIUM
KIM YONG SU (Autor:in) / JEON HYUN JUN (Autor:in) / LIM HYUNG BONG (Autor:in) / OH KYUNG SIK (Autor:in) / HA SUNG HO (Autor:in) / HONG YOUNG PYO (Autor:in) / KIM JOON HYUNG (Autor:in) / KIM CHEOL YOUNG (Autor:in)
31.08.2022
Patent
Elektronische Ressource
Englisch
LITHIUM DISILICATE GLASS-CERAMIC, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF
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