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    • 10. 发明公开
    • METHOD FOR MANUFACTURING MAYENITE-CONTAINING OXIDES AND METHOD FOR MANUFACTURING CONDUCTIVE MAYENITE-CONTAINING OXIDES
    • 用于生产MAYENITHALTIGEN氧化物及其制造方法导电氧化物MAYENITHALTIGEN
    • EP2394959A1
    • 2011-12-14
    • EP10738597.3
    • 2010-02-04
    • Asahi Glass Company, Limited
    • ITO, KazuhiroWATANABE, SatoruMIYAKAWA, NaomichiITO, SetsuroWATANABE, Kazunari
    • C01F7/16H01B13/00
    • C01F7/164C01P2006/40
    • To provide a method for preparing a mayenite-containing oxide containing a mayenite type compound and having a hydride ion density of at least 1×10 18 /cm 3 without need for expensive facilities, control of complicated reaction conditions or a long period of reaction time. A method for preparing a mayenite-containing oxide, which comprises a firing step of heating a starting material having a molar ratio of CaO:Al 2 O 3 being from 9:10 to 14:5 based on the oxides at a temperature of from 900 to 1,300°C to obtain a fired powder and a hydrogenation step of firing the fired powder at a temperature of at least 1,210°C and lower than 1,350°C in a hydrogen-containing gas having an oxygen partial pressure of at most 1,000 Pa to obtain a mayenite-containing oxide containing a mayenite type compound and having a hydride ion density of at least 1×10 18 /cm 3 , and a method for preparing an electroconductive mayenite-containing oxide, which comprises irradiating the obtained mayenite-containing oxide with an ultraviolet ray etc. to obtain a mayenite-containing oxide containing an electroconductive mayenite type compound.
    • 用于制备含铝石的氧化物含有钙铝石型化合物,并且具有至少1×10 18 / cm 3的氢化物离子密度,而不需要昂贵的设备,复杂的反应条件控制或反应时间的长周期的方法 , 在900的温度下5基于氧化物:的Al 2 O 3是从9时10分至14:一种用于制备含有铝石的氧化物,其包括加热具有的CaO的摩尔比的起始材料的煅烧工序的方法 到1300℃,以获得具有在氧至多1000帕至分压烧成粉末,并在至少1210℃的温度下烧制该烧成粉末的氢化步骤和低于1350℃的含氢气体中 获得含铝石的氧化物含有钙铝石型化合物,并且具有至少1×10 18 / cm 3的氢化物离子密度,和一种用于准备导电性钙铝石的含氧化物,其包括照射得到的含有铝石的氧化物与 紫外线等的,得到含有铝石的氧化物在导电钙铝石型化合物含有。