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    ZIRCONIUM-HAFNIUM MIXED OXIDE POWDER
    2.
    发明申请
    ZIRCONIUM-HAFNIUM MIXED OXIDE POWDER 审中-公开
    ZIRCONIUM-HAFNIUM混合氧化物粉末

    公开(公告)号：WO2006067132A2

    公开(公告)日：2006-06-29

    申请号：PCT/EP2005056941

    申请日：2005-12-20

    Applicant: DEGUSSA ,  KATUSIC STIPAN ,  FLESCH JUERGEN ,  HAMM VOLKER ,  KATERINAK WITOLD ,  KRAEMER MICHAEL

    Inventor： KATUSIC STIPAN ,  FLESCH JUERGEN ,  HAMM VOLKER ,  KATERINAK WITOLD ,  KRAEMER MICHAEL

    IPC: C01G27/00

    CPC classification number: B82Y30/00 ,  C01G25/00 ,  C01G27/00 ,  C01P2002/76 ,  C01P2002/88 ,  C01P2004/64 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/22 ,  C01P2006/80 ,  C09C1/00

    Abstract: Zirconium-hafnium mixed oxide powder in the form of aggregates of primary particles having a carbon content of at most 0.05 wt . % and having the following features: - BET surface area: 60 ± 15 m 2 /g, average primary particle diameter: 2 , - average equivalent circle diameter: 2 ) : 95 to 99.9 wt.%, - hafnium dioxide (HfO 2 ) : 0.1 to 5 wt.%, carbon: 0 to 0.15 wt.%, - chloride: 0 to 0.05 wt.% the sum of the proportions of zirconium dioxide and hafnium dioxide being at least 99.8 wt.%.

    Abstract translation: 锆 - 铪混合氧化物粉末，其为碳含量最多为0.05重量％的初级颗粒的聚集体。 ％，具有以下特征：BET表面积：60±15μm2 / g，平均一次粒径：<20nm，聚集参数：平均表面积：<10000NN 2 平均当量圆直径：<100nm，平均聚集体周长：<700nm，基于每种情况的粉末的总量，二氧化锆（ZrO 2 2）的含量， ：95〜99.9重量％， - 二氧化铪（HfO 2·2）：0.1〜5重量％，碳：0〜0.15重量％， - 氯化物：0〜0.05重量％ 二氧化锆和二氧化铪的比例为至少99.8重量％。

    3.
    发明专利
    未知

    公开(公告)号：AT506324T

    公开(公告)日：2011-05-15

    申请号：AT05821745

    申请日：2005-12-20

    Applicant: EVONIK DEGUSSA GMBH

    Inventor： SCHUMACHER KAI ,  MOERTERS MARTIN ,  FLESCH JUERGEN ,  VON TWISTERN MARCUS ,  HAMM VOLKER ,  SCHMITT MATTHIAS ,  ALFF HARALD ,  SCHILLING ROLAND

    IPC: C01F7/30 ,  B41M5/00 ,  C01F7/02 ,  C09K3/14

    Abstract: Aluminum oxide powder in the form of aggregates of primary-particles, which has a BET surface area of from 10 to 90 m2/g and comprises as crystalline phases, in addition to gamma-aluminum oxide and/or theta-aluminum oxide, at least 30% of delta-aluminum oxide. It is prepared by vaporizing aluminum chloride and burning the vapor together with hydrogen and air, the ratio of primary air/secondary air being 0.01 to 2, the exit speed vB of the reaction mixture from the burner being at least 10 m/s, the lambda value being 1 to 4, the gamma value being 1 to 3 and the value of gamma*vB/lambda being greater than or equal to 55. Dispersion comprising the aluminum oxide powder. Coating composition comprising the dispersion.

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