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1. 发明申请

WO2004089816A1 PROCESS FOR THE PRODUCTION OF METAL OXIDE AND METALLOID OXIDE DISPERSIONS 审中-公开
标题翻译：生产金属氧化物和金属氧化物分散体的方法
公开(公告)号：WO2004089816A1
公开(公告)日：2004-10-21
申请号：PCT/EP2004/003445
申请日：2004-04-01
申请人： DEGUSSA AG , LORTZ, Wolfgang , BATZ-SOHN, Christoph , PERLET, Gabriele , WILL, Werner , SCHNEIDER, Gerrit
发明人： LORTZ, Wolfgang , BATZ-SOHN, Christoph , PERLET, Gabriele , WILL, Werner , SCHNEIDER, Gerrit
IPC分类号： C01B13/14
CPC分类号： C09G1/02 , C01B13/145 , C01B33/1417 , C01F7/026 , C01P2002/50 , C01P2006/12 , C01P2006/22 , C03C1/006 , C09K3/1463
摘要： Process for the production of an aqueous dispersion of pyrogenically produced metal oxide and metalloid oxide powders with a BET surface area of between 5 and 600 m²/g, with a metal oxide or metalloid oxide content in the dispersion of between 5 and 25 wt.%, comprising the following steps: - water, which is optionally adjusted to pH values of between 2 and 4 by adding acids, is circulated from a receiving vessel via a rotor/stator machine, and - metal oxide or metalloid oxide powder is introduced, using a feed device, into the shear zone between the slots in the rotor teeth and the stator slots, continuously or discontinuously and with the rotor/stator machine running, in a quantity such that a predispersion with a solids content of between 20 and 40 wt.% results, and, after all the metal oxide powder or metalloid oxide powder has been added, - the feed device closes and shearing continues in such a way that the shear rate is in the range of between 10000 and 40000 s -1 , and - then, by dilution, the predispersion is adjusted to the desired solids content of the dispersion while maintaining the dispersing conditions.
摘要翻译：制备热塑性金属氧化物和类金属氧化物粉末的水分散体的方法，其BET表面积为5至600m 2 / g，分散体中的金属氧化物或准金属氧化物含量为5至25重量％包括以下步骤： - 通过添加酸任选地将pH值调节至2至4的水通过转子/定子机从接收容器循环，并引入金属氧化物或准金属氧化物粉末，使用进料装置，连续地或不连续地进入转子齿中的狭槽和定子槽之间的剪切区域，转子/定子机器运行的量使得固体含量在20和40重量％之间的预分散体。％的结果，并且在添加了所有金属氧化物粉末或准金属氧化物粉末之后，进料装置关闭并且剪切继续进行，使得剪切速率在10000和40000s -1之间，接着，通过稀释，将预分散体调节至分散体的所需固体含量，同时保持分散条件。

2. 发明申请

WO2005123623A1 CEMENT COMPOSITION COMPRISING FUMED METAL OXIDE POWDER 审中-公开
标题翻译：包含氟化金属氧化物粉末的水泥组合物
公开(公告)号：WO2005123623A1
公开(公告)日：2005-12-29
申请号：PCT/EP2005/005297
申请日：2005-05-14
申请人： DEGUSSA AG , SCHNEIDER, Gerrit , SCHIENER, Thomas , DELLER, Klaus , TRETTIN, Reinhard , KORPA, Arjan
发明人： SCHNEIDER, Gerrit , SCHIENER, Thomas , DELLER, Klaus , TRETTIN, Reinhard , KORPA, Arjan
IPC分类号： C04B28/02
CPC分类号： C04B28/02 , C04B20/1051 , C04B40/0039 , Y02W30/92 , Y02W30/94 , C04B14/047 , C04B14/06 , C04B14/08 , C04B14/104 , C04B14/106 , C04B14/30 , C04B14/303 , C04B14/305 , C04B14/306 , C04B18/067 , C04B18/08 , C04B18/101 , C04B18/146 , C04B20/008 , C04B22/064 , C04B2103/302 , C04B24/223 , C04B24/226 , C04B24/2647
摘要： Admixture for cement systems comprising a sorbent and a fumed metal oxide powder. Cement composition comprising the admixture, cement and water.
摘要翻译：用于包含吸附剂和热解金属氧化物粉末的水泥体系的混合物。水泥组合物包含混合物，水泥和水。

3. 发明申请

WO2004054929A1 PYROGENIC SILICON DIOXIDE AND A DISPERSION THEREOF 审中-公开
标题翻译：有机硅二氧化硅及其分散体
公开(公告)号：WO2004054929A1
公开(公告)日：2004-07-01
申请号：PCT/EP2003/014322
申请日：2003-12-16
申请人： DEGUSSA AG , MÖRTERS, Martin , MANGOLD, Helmut , OSWALD, Monika , SCHUMACHER, Kai , LACH, Heinz , SCHNEIDER, Gerrit
发明人： MÖRTERS, Martin , MANGOLD, Helmut , OSWALD, Monika , SCHUMACHER, Kai , LACH, Heinz , SCHNEIDER, Gerrit
IPC分类号： C01B33/18
CPC分类号： C03C3/04 , B82Y30/00 , C01B33/1417 , C01B33/1485 , C01B33/183 , C01P2004/50 , C01P2004/62 , C01P2004/64 , C01P2006/10 , C01P2006/12 , C01P2006/22
摘要： 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. It is prepared by mixing at least one silicon compound in vapour form, a free-oxygen-containing gas and a combustible gas in a burner of known construction, igniting this gas mixture at the mouth of the burner and burning it in the flame tube of the burner, separating the solid obtained from the gas mixture and optionally purifying, wherein the oxygen content of the free-oxygen-containing gas is adjusted so that the lambda value is greater than or equal to 1, the gamma value is between 1.2 and 1.8, the throughput is between 0.1 and 0.3 kg SiO2/m³ of core gas mixture and the mean normalised rate of flow of gas in the flame tube at the level of the mouth of the burner is at least 5 m/s. The powder can be used as a filler. A dispersion containing the powder according to the invention. The powder can be used as a filler in rubber, silicone rubber and plastics. The dispersion can be used to prepare glass items.
摘要翻译：热解二氧化硅粉末，BET表面积为30〜90m 2 / g，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。通过在已知结构的燃烧器中混合至少一种蒸汽形式的硅化合物，含游离氧的气体和可燃气体来制备，在燃烧器的口部点燃该气体混合物并将其燃烧在燃烧器的火焰管中燃烧器，分离从气体混合物获得的固体并任选地进行纯化，其中调节含游离氧气体的氧含量使λ值大于或等于1，γ值在1.2和1.8之间，核心气体混合物的通过量为0.1至0.3kg SiO 2 / m 3，并且在燃烧器口处的火焰管中气体的平均归一化流速至少为5m / s。粉末可用作填料。含有本发明粉末的分散体。该粉末可用作橡胶，硅橡胶和塑料中的填料。分散体可用于制备玻璃制品。

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