公开(公告)号：US07731869B2

公开(公告)日：2010-06-08

申请号：US11995183

申请日：2006-07-14

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

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

IPC分类号： H01B1/08

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：US07722849B2

公开(公告)日：2010-05-25

申请号：US10530491

申请日：2003-12-16

申请人： Martin Moerters ,  Helmut Mangold ,  Monika Oswald ,  Kai Schumacher ,  Heinz Lach ,  Gerrit Schneider

发明人： Martin Moerters ,  Helmut Mangold ,  Monika Oswald ,  Kai Schumacher ,  Heinz Lach ,  Gerrit Schneider

IPC分类号： C01B33/12 ,  C01B33/14 ,  C01B33/141 ,  C01B33/142 ,  C01B33/143 ,  C01B33/18 ,  C01B33/187

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 vapor 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 normalized 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，其BET表面积为30〜90m2 / 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量在0.1至0.3kg SiO 2 / m 3之间，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。

公开(公告)号：US07704315B2

公开(公告)日：2010-04-27

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： C09C1/36 ,  B22D11/06 ,  C22C1/05 ,  C22B1/00

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, aluminum 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 molded 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，细级分以聚集形式存在，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： - 通过使至少200KJ / m3的能量输入将粉状微细分散体分散在水中来生产细级分散体，并将粗级分引入到 在低能量输入下在分散条件下将粉末的形式加入细级分散体中。 使用分散体生产模制品的方法。

公开(公告)号：US20080045411A1

公开(公告)日：2008-02-21

申请号：US10530491

申请日：2003-12-16

申请人： Martin Morters ,  Helmut Mangold ,  Monika Oswald ,  Kai Schumacher ,  Heinz Lach ,  Gerrit Schneider

发明人： Martin Morters ,  Helmut Mangold ,  Monika Oswald ,  Kai Schumacher ,  Heinz Lach ,  Gerrit Schneider

IPC分类号： C01B33/12 ,  B01J21/08 ,  C01B33/141 ,  C03C3/04 ,  B24B1/00

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 dioxde 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： 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的热解二氧化硅粉末， 并且平均聚集体周长小于1000nm，其中至少70％的聚集体具有小于1300nm的周长。它是通过将至少一种蒸气形式的硅化合物，含游离氧的气体和 在已知结构的燃烧器中的可燃气体，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，分离从气体混合物获得的固体并任选地进行净化，其中游离的 调节含氧气体，使得λ值大于或等于1，γ值在1.2和1.8之间，生产量在0.1至0.3kg之间，核心的SiO 2 / m 3 气体混合物，并且在燃烧器口处的火焰管中的气体的平均归一化流速为l 东5米/秒。 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。