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    Slip Containing Zirconium Dioxide and Aluminum Oxide and Shaped Body Obtainable Therefrom
    24.
    发明申请
    Slip Containing Zirconium Dioxide and Aluminum Oxide and Shaped Body Obtainable Therefrom 失效
    含有二氧化锆和氧化铝及其可获得的成型体的滑动

    公开(公告)号：US20080258358A1

    公开(公告)日：2008-10-23

    申请号：US11913412

    申请日：2006-04-27

    申请人： Monika Oswald ,  Klaus Deller ,  Wolfgang Kollenberg ,  Dieter Nikolay

    发明人： Monika Oswald ,  Klaus Deller ,  Wolfgang Kollenberg ,  Dieter Nikolay

    IPC分类号： B28B1/14 ,  C04B35/109

    CPC分类号： C04B35/119

    摘要： Slip containing at least one aluminium oxide powder and at least one unstabilized zirconium dioxide powder, wherein a) the zirconium dioxide powder i) has a mean particle diameter of less than 300 nm, ii) shows only the monoclinic phase and the tetragonal phase in the X-ray diffraction pattern, with the proportion of tetragonal phase at room temperature being from 20 to 70%, and iii) is present in a proportion of from 2 to 20% by weight, based on the total amount of the slip, b) the aluminium oxide powder i) has a mean particle diameter of more than 300 nm and ii) is present in a proportion of from 80 to 98% by weight, based on the total amount of the slip, and c) the solids content, as the sum of aluminium oxide and zirconium dioxide, is from 50 to 85% by weight, based on the total amount of the slip.

    摘要翻译： 含有至少一种氧化铝粉末和至少一种不稳定的二氧化锆粉末的滑动剂，其中a）二氧化锆粉末i）的平均粒径小于300nm，ii）仅显示单斜晶相和四方相 X射线衍射图，四方相在室温下的比例为20〜70％，和iii）以基于滑移总量的2〜20重量％的比例存在，b） 氧化铝粉末i）具有大于300nm的平均粒径，和ii）以基于滑移总量的80至98重量％的比例存在，以及c）固体含量，如 氧化铝和二氧化锆的总和为50〜85重量％，基于滑动总量。

    Method For Producing Ultra-High Purity, Optical Quality, Glass Articles
    25.
    发明申请
    Method For Producing Ultra-High Purity, Optical Quality, Glass Articles 审中-公开
    生产超高纯度，光学质量，玻璃制品的方法

    公开(公告)号：US20080203625A1

    公开(公告)日：2008-08-28

    申请号：US11817230

    申请日：2006-02-15

    申请人： Monika Oswald ,  Jurgen Meyer ,  Klaus Deller

    发明人： Monika Oswald ,  Jurgen Meyer ,  Klaus Deller

    IPC分类号： C04B35/645

    CPC分类号： C03B19/06 ,  C03B19/066 ,  C03B32/005

    摘要： A method for producing ultra-high purity, optical quality, glass articles is disclosed which involves: 1. compacting metaloxide or metal loidoxide to granules having a mean particle size of less than about 1 millimeter; 2. optionally fully sintering the granules to produce high purity, artificial sand; 3. casting the granulesar artificial sand by conventional techniques, such as, slip casting, to form a high density, porous, green body; 4. optionally drying and partially sintering the green body; 5. optionally fully sintering the green body under vacuum, and 6. optionally hot isostatic pressing the fully sintered green body whereby the metal oxide or metalloid oxides is a pyrogenic silicon dioxide powder with a BET surface area of 30 to 90 m2/g, a DBP index of 80 or less, a mean aggregate area of less than 25000 nm2 and a mean aggregate circumference of less than 1000 nm, wherein at least 70% of the aggregates have a circumference of less than 1300 nm or a high-purity pyrogenically prepared silicon dioxide having metal contents of less than 0.2 μg/g.

    摘要翻译： 公开了一种生产超高纯度，光学品质的玻璃制品的方法，其包括：1.将金属氧化物或金属氧化物压制成具有小于约1毫米的平均粒度的颗粒; 2.可选地完全烧结颗粒以产生高纯度人造砂; 3.通过常规技术如滑移浇注铸造颗粒状人造砂，形成高密度，多孔，生坯; 4.可选地干燥和部分烧结生坯; 5.可选地，在真空下完全烧结生坯，以及6.任选地热等静压压完全烧结的生坯，由此金属氧化物或准金属氧化物是BET表面积为30至90m 2 / g的致热二氧化硅粉末， DBP指数为80以下，平均聚集面积小于25000nm 2，平均聚集体周长小于1000nm，其中至少70％的聚集体具有小于1300nm的圆周或高纯度热解法制备 金属含量小于0.2mug / g的二氧化硅。

    Metal Oxide Sol, Layer Produced Therewith and Shaped Article
    26.
    发明申请
    Metal Oxide Sol, Layer Produced Therewith and Shaped Article 审中-公开
    金属氧化物溶胶，生成的层和成型品

    公开(公告)号：US20070259176A1

    公开(公告)日：2007-11-08

    申请号：US11629914

    申请日：2005-06-10

    申请人： Yi Deng ,  Monika Oswald ,  Klaus Deller

    发明人： Yi Deng ,  Monika Oswald ,  Klaus Deller

    IPC分类号： C01B13/32

    CPC分类号： C09C1/3081 ,  B82Y30/00 ,  C01B13/145 ,  C01B13/32 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/82 ,  C01P2006/12 ,  C03B19/12 ,  C03C1/008 ,  C03C17/02 ,  C09C1/3054 ,  C09C1/3661 ,  C09C1/3684 ,  C09C1/407 ,  C09C3/063 ,  C09C3/12 ,  Y10T428/29

    摘要： Process for the preparation of a binder-free metal oxide sol, comprising the steps: a) initial introduction into a vessel of a metal oxide dispersion, wherein the metal oxide powder in the dispersion has an average, number-related aggregate diameter of less than 200 nm, and b1) addition of a metal alcoholate M(OR)x, and optionally of a hydrolysis catalyst, or b2) addition of a starting sol which is obtained by hydrolysis of a metal alcoholate M(OR)x with a hydrolysis catalyst, and the weight-related ratio of metal oxide from the hydrolysis to metal oxide in the dispersion is 0.01 to 1. Metal oxide sol obtainable by this process. Coated substrate which can be produced by means of the metal oxide sol, and shaped article.

    摘要翻译： 制备无粘合剂的金属氧化物溶胶的方法，包括以下步骤：a）初始引入金属氧化物分散体的容器中，其中分散体中的金属氧化物粉末的平均数目相关的聚集体直径小于 200nm，b1）加入金属醇化物M（OR）x X，以及任选的水解催化剂，或b2）加入通过金属醇化物M（ OR）x“，并且分散体中水解成金属氧化物的金属氧化物的重量比为0.01:1。通过该方法可获得金属氧化物溶胶。 可以通过金属氧化物溶胶制成的涂布基材和成型制品。

    Molded articles based on pyrogenically prepared silicon dioxide, process for their production and their use
    29.
    发明授权
    Molded articles based on pyrogenically prepared silicon dioxide, process for their production and their use 失效
    基于热解制备的二氧化硅的成型制品，其生产和使用的过程

    公开(公告)号：US5021378A

    公开(公告)日：1991-06-04

    申请号：US488379

    申请日：1990-02-23

    申请人： Klaus Deller ,  Reinhard Klingel ,  Helmfried Krause

    发明人： Klaus Deller ,  Reinhard Klingel ,  Helmfried Krause

    IPC分类号： C04B38/06 ,  B01J21/08 ,  B01J21/12 ,  B01J32/00 ,  B01J35/10 ,  B01J37/00 ,  C04B35/14

    CPC分类号： C04B35/14 ,  B01J21/08 ,  B01J35/1014 ,  B01J35/1019 ,  B01J35/1042 ,  B01J35/1047 ,  B01J35/1061 ,  B01J35/108 ,  B01J37/0009

    摘要： Molded articles based on pyrogenically prepared silicon dioxide and having the following physical-chemical characteristic data:______________________________________ External diameter 2 to 15 mm BET surface area 50 to 400 m.sup.2 /g Total Pore volume 0.6 to 1.3 ml/g Crushing strength 40 to 120 N Pore size distribution no pores 95% by weight of SiO.sub.2 remainder Al.sub.2 O.sub.3. ______________________________________ These products are produced by compacting pyrogenically prepared silicon dioxide with kaolin and/or graphite, sugar, starch, urea or wax with addition of water, drying the mixture at a temperature of from 80.degree. to 120.degree. C. and comminuting it to form a powder, pressing the powder to form the desired article, and tempering the articles at a temperature of from 400.degree. to 1200.degree. C. for a period of 0.5 to 6 hours. The molded bodies can be used as a catalyst support or catalyst.

    摘要翻译： 基于热解法制备的二氧化硅的成型制品，具有以下物理化学特性数据：外径2〜15mm -BET表面积50〜400m2 / g - 总孔体积0.6〜1.3ml / g - 冲击强度40〜 120 N孔径分布孔径<5 nm直径，至少80％，直径范围5至40 nm - 组成> 95％（重量）SiO 2剩余部分Al2O3。 - 这些产品是通过用高岭土和/或石墨，糖，淀粉，尿素或蜡与加热水压制热解法制备的二氧化硅，在80-120℃的温度下干燥该混合物并粉碎形成的 粉末，按压粉末形成所需的物品，并在400℃〜1200℃的温度下回火制品0.5〜6小时。 成型体可以用作催化剂载体或催化剂。