MAGNESIUM ALUMINUM TITANATE CRYSTAL STRUCTURE AND METHOD FOR PRODUCING SAME
    5.
    发明公开
    MAGNESIUM ALUMINUM TITANATE CRYSTAL STRUCTURE AND METHOD FOR PRODUCING SAME 审中-公开
    马萨诸塞州克拉斯哥达州立大学

    公开(公告)号:EP1741684A1

    公开(公告)日:2007-01-10

    申请号:EP05737257.5

    申请日:2005-04-28

    申请人: Ohcera Co., Ltd.

    IPC分类号: C04B35/478

    摘要: To provide an aluminum magnesium titanate crystal structure which can be used stably in variable high temperatures, because of its excellent heat resistance, thermal shock resistance, high thermal decomposition resistance and high mechanical property, and a process for its production.
    An aluminum magnesium titanate crystal structure, which is a solid solution wherein at least some of Al atoms in the surface layer of aluminum magnesium titanate crystal represented by the empirical formula Mg x Al 2(1-x) Ti (1+x) O 5 (wherein 0.1≦x -6 (1/K) to 6×10 -6 (1/K) in a range of from 50 to 800°C at a temperature raising rate of 20°C/min, and a remaining ratio of aluminum magnesium titanate of at least 50%, when held in an atmosphere of 1,100°C for 300 hours.

    摘要翻译: 由于其耐热性,耐热冲击性,高耐热分解性和高机械性能优异,因此可提供可变高温下稳定使用的钛酸铝镁晶体结构及其制造方法。 钛酸铝镁晶体结构体,其为由经验式Mg x Al 2(1-x)Ti(1 + x)O 5(1-x)Ti(1-x))5表示的钛酸铝镁晶体的表面层中的至少一部分Al原子的固溶体 (其中0.1‰| x <1)被Si原子取代,并且其热膨胀系数为-6×10 -6(1 / K)至6×10 -6(1 / K) 50℃至800℃,升温速度为20℃/分钟,钛酸镁镁的剩余比率为至少50%,在1100℃的气氛中保持300小时。

    HONEYCOMB CARRIER FOR EXHAUST GAS CLARIFICATION CATALYST AND METHOD FOR PRODUCTION THEREOF
    7.
    发明公开
    HONEYCOMB CARRIER FOR EXHAUST GAS CLARIFICATION CATALYST AND METHOD FOR PRODUCTION THEREOF 审中-公开
    WABENTRÄGERFÜRABGASREINIGUNGSKATALYSATOR UND HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号:EP1652830A1

    公开(公告)日:2006-05-03

    申请号:EP04771230.2

    申请日:2004-07-29

    申请人: Ohcera Co., Ltd.

    摘要: To provide a honeycomb carrier to support a catalyst to clean e.g. an exhaust gas of an automobile particularly containing NOx, which is excellent in heat resistance, thermal shock resistance, mechanical strength and thermal decomposition resistance and has a great corrosion resistance to a catalyst, and is thus capable of being used with stability for a long period of time, and a process for its production.
    The material for the honeycomb carrier is an aluminum magnesium titanate sintered product obtained by firing at from 1,000 to 1,700°C a molded product formed from a raw material mixture comprising 100 parts by mass, as calculated as oxides, of a mixture comprising a Mg-containing compound, an Al-containing compound and a Ti-containing compound in the same metal component ratio as the metal component ratio of Mg, Al and Ti in an aluminum magnesium titanate represented by the empirical formula Mg x Al 2(1+x) Ti (1+x) O 5 (wherein 0 y K 1-y ) AlSi 3 O 8 (wherein 0≦y≦1) .

    摘要翻译: 提供蜂窝载体以支持催化剂清洁例如 特别是含有NOx的汽车的废气,其耐热性,耐热冲击性,机械强度和耐热分解性优异,并且对催化剂具有很大的耐腐蚀性,因此能够长时间稳定地使用 的时间,以及其生产过程。 蜂窝载体的材料是钛酸铝镁烧结体,其烧成体积为1000〜1700℃,由原料混合物形成的成型体,该原料混合物含有按氧化物计算的100质量份的含Mg- 以与经验式Mg x Al 2(1 + x)表示的铝镁酸镁中的Mg,Al和Ti的金属成分比例相同的金属成分比例的含铝化合物,含Al化合物和含Ti化合物, Ti(1 + x)O 5(其中0