公开(公告)号：US20100037800A1

公开(公告)日：2010-02-18

申请号：US12536150

申请日：2009-08-05

申请人： Kai SCHUMACHER ,  Monika OSWALD

发明人： Kai SCHUMACHER ,  Monika OSWALD

IPC分类号： C09D1/00

CPC分类号： C01B33/1415 ,  C01B33/18 ,  C01B33/183 ,  C01P2002/54 ,  C01P2006/12 ,  C01P2006/22 ,  C01P2006/82 ,  C01P2006/90

摘要： Stable, aqueous dispersion containing silicon dioxide powder having a hydroxyl group density of 2.5 to 4.7 OH/nm2, which is obtained from a silicon dioxide powder produced by a flame hydrolysis process under acid conditions. The dispersion is produced by incorporating the silicon dioxide powder into an aqueous solution by means of a dispersing device. The dispersion can be used to produce glass articles.

摘要翻译： 稳定的含有二氧化硅粉末的水性分散体，该二氧化硅粉末的羟基密度为2.5〜4.7HOH / nm 2，其由在酸性条件下通过火焰水解法生产的二氧化硅粉末得到。 分散体是通过将二氧化硅粉末通过分散装置并入水溶液而制成的。 分散体可用于生产玻璃制品。

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。

公开(公告)号：US20080217591A1

公开(公告)日：2008-09-11

申请号：US11995183

申请日：2006-07-14

申请人： Stipan Katusic ,  Jurgen Meyer ,  Horst Miess ,  Monika Oswald ,  Matthias Rochnia

发明人： Stipan Katusic ,  Jurgen Meyer ,  Horst Miess ,  Monika Oswald ,  Matthias Rochnia

IPC分类号： C09K21/02

CPC分类号： C01G25/006 ,  C01G25/02 ,  C01P2002/10 ,  C01P2002/50 ,  C01P2004/04 ,  C01P2004/62 ,  C01P2004/80 ,  C01P2006/12 ,  C01P2006/80 ,  C04B35/4885 ,  C04B35/6264 ,  C04B35/62665 ,  C04B2235/3225 ,  C04B2235/441 ,  C04B2235/449 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/721 ,  C04B2235/724 ,  C04B2235/765

摘要： Mixed oxide powder consisting of particles with the components zirconium dioxide, aluminium oxide and at least a third component selected from the group including yttrium oxide, magnesium oxide or calcium oxide, wherein mixed oxide powder has an aluminium oxide content 0.01 to 10 wt. % and is homogeneously distributed in the mixed oxide particles, the content of aluminium oxide, zirconium dioxide and yttrium oxide is at least 99.5 wt. %, based on the total quantity of the powder, and the BET surface area is 20 to 80 m2/g. It is obtained by atomising a solution containing at least one starting compound for each of aluminium oxide, zirconium dioxide and the third component, allowing the atomised solution to react with oxygen in a reaction chamber at a reaction temperature 700 to 15000° C., cooling the hot gases and the solid products and then separating the solid product from the gases. It can be used as a dental material.

摘要翻译： 由具有二氧化锆，氧化铝和至少三种成分的颗粒组成的混合氧化物粉末，所述组合物包括氧化钇，氧化镁或氧化钙，其中混合氧化物粉末的氧化铝含量为0.01至10wt。 ％，均匀分布在混合氧化物颗粒中，氧化铝，二氧化锆和氧化钇的含量至少为99.5重量％。 ％，基于粉末的总量，BET表面积为20〜80m 2 / g。 通过将含有至少一种起始化合物的溶液雾化为氧化铝，二氧化锆和第三成分，使反应室中的雾化溶液与氧反应，反应温度为700〜15000℃，冷却 热气体和固体产物，然后将固体产物与气体分离。 它可以用作牙科材料。

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。

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。

公开(公告)号：US20090105354A1

公开(公告)日：2009-04-23

申请号：US11722122

申请日：2005-12-20

申请人： Monika Oswald ,  Corinna Kissner ,  Wolfgang Lortz

发明人： Monika Oswald ,  Corinna Kissner ,  Wolfgang Lortz

IPC分类号： B01J13/00

CPC分类号： C09C1/0012 ,  B82Y30/00 ,  C01G25/02 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/22 ,  C04B35/486 ,  C04B35/6261 ,  C04B35/62615 ,  C04B35/62625 ,  C04B35/6263 ,  C04B35/6264 ,  C04B35/62655 ,  C04B35/62665 ,  C04B35/63 ,  C04B35/632 ,  C04B2235/3225 ,  C04B2235/441 ,  C04B2235/449 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/5481 ,  C04B2235/549 ,  C04B2235/76 ,  C04B2235/765 ,  C04B2235/77 ,  C09C1/00 ,  C09K3/1436

摘要： Dispersion of zirconium dioxide having a solids content of from 30 to 75 wt. %, based on the total amount of the dispersion, and a median value of the particle size distribution in the dispersion of less than 200 nm, obtainable by predispersing a zirconium dioxide powder and/or a zirconium mixed oxide powder having a ZrC>2 content of at least 70 wt. %, the powders being in the form of aggregated primary particles and having no internal surface and a BET surface area of the powder of 60±15 m2/g, in a dispersing agent in the presence of from 0.1 to 5 wt. %, based on the total amount of the dispersion, of a surface-modifying agent with an energy input of less than 200 KJ/m3, dividing the predispersion obtained into at least two part streams, placing these part streams under a pressure of at least 500 bar in a high-energy mill and decompress them via a nozzle, these part streams colliding with one another in a gas- or liquid-filled reaction chamber and thereby being ground, and optionally subsequently adjusting the dispersion to the desired content with further dispersing agent. It can be used for the production of ceramic layers, membranes and shaped articles.

摘要翻译： 固体含量为30〜75重量％的二氧化锆的分散 ％，基于分散体的总量，分散体中的粒度分布的中位值小于200nm，可以通过预分散ZrC 2粉末和/或ZrC 2含量的锆混合氧化物粉末得到 至少70wt。 ％，在分散剂中，粉末为聚集的一次粒子形式，并且在0.1〜5wt。％的存在下，不含内表面，粉末的BET表面积为60±15m 2 / g。 ％，基于分散体的总量，具有小于200KJ / m 3的能量输入的表面改性剂，将所获得的预分散体分成至少两部分流，将这些部分流放置在至少 500巴在高能磨机中并通过喷嘴对其进行减压，这些部分物流在气体或液体填充的反应室中彼此碰撞，从而被研磨，并随意地随后将分散体调整到所需的内容物，并进一步分散 代理商 它可用于生产陶瓷层，膜和成型制品。

公开(公告)号：US20080312065A1

公开(公告)日：2008-12-18

申请号：US12096644

申请日：2006-12-05

申请人： Monika Oswald ,  Corinna Kissner

发明人： Monika Oswald ,  Corinna Kissner

IPC分类号： C04B35/10 ,  C04B35/46 ,  C04B35/48 ,  C04B35/50

CPC分类号： C01F7/026 ,  B82Y30/00 ,  C01P2004/53 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/22 ,  C04B35/111 ,  C04B35/117 ,  C04B35/6263 ,  C04B35/62635 ,  C04B35/6325 ,  C04B2235/3217 ,  C04B2235/322 ,  C04B2235/3229 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3418 ,  C04B2235/449 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/5454 ,  C09C1/0081 ,  C09C1/407

摘要： Aqueous dispersion containing: at least one metal oxide selected from the group consisting of alpha-aluminium oxide, cerium oxide, silicon dioxide, titanium dioxide and zirconium dioxide and in addition at least one transition aluminium oxide which is present in the form of aggregates of primary particles, wherein the total content of metal oxide and transition aluminium oxide is from 60 to 75% by weight, based on the total amount of the dispersion, the content of transition aluminium oxide is from 30 to 45% by weight, based on the total amount of the dispersion, the BET surface area of the transition aluminium oxide is from 30 to 90 m2/g, the mean aggregate diameter of the transition aluminium oxide is less than 100 nm, the mean particle diameter of the metal oxide is from 100 to 500 nm, and a dispersant selected from the group consisting of polyaluminium hydroxychloride, polyaluminium hydroxynitrate and/or polyaluminium hydroxysulphate.

摘要翻译： 含有下列物质的水分散体：至少一种选自α-氧化铝，氧化铈，二氧化硅，二氧化钛和二氧化锆的金属氧化物，另外还含有至少一种过渡氧化铝，其以主要的聚集体的形式存在 颗粒，其中基于分散体的总量，金属氧化物和过渡氧化铝的总含量为60至75重量％，过渡氧化铝的含量为30至45重量％，基于总计 分散体的量，过渡氧化铝的BET表面积为30〜90m 2 / g，过渡型氧化铝的平均聚集体直径小于100nm，金属氧化物的平均粒径为100〜 500nm以及选自羟基氯化铝，聚羟基硝酸镍和/或羟基硫酸铝的分散剂。

公开(公告)号：US20080011441A1

公开(公告)日：2008-01-17

申请号：US11572156

申请日：2005-07-19

申请人： Monika Oswald ,  Corinna Kissner ,  Roland Weiss ,  Andreas Lauer

发明人： Monika Oswald ,  Corinna Kissner ,  Roland Weiss ,  Andreas Lauer

IPC分类号： B22D23/00 ,  B22F1/00 ,  C22B61/00

CPC分类号： C04B35/622 ,  B82Y30/00 ,  C04B35/111 ,  C04B35/14 ,  C04B35/46 ,  C04B35/486 ,  C04B35/505 ,  C04B35/6263 ,  C04B35/62635 ,  C04B35/63 ,  C04B35/632 ,  C04B2235/3217 ,  C04B2235/449 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/5472 ,  C04B2235/602

摘要： Aqueous dispersion containing a metal oxide powder with a fine fraction and a coarse fraction, in which—the metal oxide powder is silicon dioxide, aluminium oxide, titanium dioxide, zirconium dioxide, cerium oxide or a mixed oxide of two or more of the aforementioned metal oxides,—the fine fraction is present in aggregated form and has a mean aggregate diameter in the dispersion of less than 200 nm,—the coarse fraction consists of particles with a mean diameter of 1 to 20 μm,—the ratio of fine fraction to coarse fraction is 2:98 to 30:70, and—the content of metal oxide powder is 50 to 85 wt. %, referred to the total amount of the dispersion. The aqueous dispersion is produced by a process comprising the steps:—production of a fine fraction dispersion by dispersing the pulverulent fine fraction in water by means of an energy input of at least 200 KJ/m3?, and—introducing the coarse fraction in the form of a powder into the fine fraction dispersion under dispersing conditions at a low energy input. Process for the production of moulded articles using the dispersion.

摘要翻译： 含有细小部分和粗部分的金属氧化物粉末的水分散体，其中金属氧化物粉末是二氧化硅，氧化铝，二氧化钛，二氧化锆，氧化铈或两种或更多种上述金属的混合氧化物 氧化物，细分以聚集形式存在，分散体中的平均聚集体直径小于200nm，粗级部分由平均直径为1至20μm的颗粒组成，细分数与 粗级分为2:98〜30:70，金属氧化物粉末的含量为50〜85重量％。 ％，指分散体的总量。 通过包括以下步骤的方法制备水性分散体： - 通过将至少200KJ / m 2的能量输入分散在水中的细分级分散体来生产细分级分散体 3？，并将粗分数 在低能量输入下在分散条件下将粉末的形式转变成细级分散体。 使用分散体生产模制品的方法。

公开(公告)号：US07069746B2

公开(公告)日：2006-07-04

申请号：US10266630

申请日：2002-10-09

申请人： Monika Oswald ,  Gerrit Schneider ,  Jürgen Meyer

发明人： Monika Oswald ,  Gerrit Schneider ,  Jürgen Meyer

IPC分类号： C03B19/09 ,  C03B11/06 ,  C03B5/00

CPC分类号： C03B19/06 ,  C03B19/1095 ,  C03B32/00 ,  C03C1/026

摘要： A method for producing ultra-high purity, optical quality, glass articles is disclosed which involves: 1. compacting metaloxide or metalloidoxide 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 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 green body.

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，其涉及：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铸造铸造人造砂，形成高密度，多孔，生坯; 4.可选地干燥和部分烧结生坯; 5.选择在真空下完全烧结生坯; 和6.可选的热等静压按压生坯。

公开(公告)号：US07892510B2

公开(公告)日：2011-02-22

申请号：US12580384

申请日：2009-10-16

申请人： Kai Schumacher ,  Monika Oswald

发明人： Kai Schumacher ,  Monika Oswald

IPC分类号： C01B33/12 ,  C01B33/18 ,  C01B33/20

CPC分类号： C01B33/1415 ,  C01B33/18 ,  C01B33/183 ,  C01P2002/54 ,  C01P2006/12 ,  C01P2006/22 ,  C01P2006/82 ,  C01P2006/90

摘要： Stable, aqueous dispersion containing silicon dioxide powder having a hydroxyl group density of 2.5 to 4.7 OH/nm2, which is obtained from a silicon dioxide powder produced by a flame hydrolysis process under acid conditions. The dispersion is produced by incorporating the silicon dioxide powder into an aqueous solution by means of a dispersing device. The dispersion can be used to produce glass articles.

摘要翻译： 稳定的含有二氧化硅粉末的水性分散体，该二氧化硅粉末的羟基密度为2.5〜4.7HOH / nm 2，其由在酸性条件下通过火焰水解法生产的二氧化硅粉末得到。 分散体是通过将二氧化硅粉末通过分散装置并入水溶液而制成的。 分散体可用于生产玻璃制品。