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    Pyrogenically produced silica
    1.
    发明授权
    Pyrogenically produced silica 有权
    热解产生的二氧化硅

    公开(公告)号：US07541014B2

    公开(公告)日：2009-06-02

    申请号：US10530284

    申请日：2003-12-16

    申请人： Martin Moerters ,  Hauke Jacobsen ,  Kai Schumacher

    发明人： Martin Moerters ,  Hauke Jacobsen ,  Kai Schumacher

    IPC分类号： C01B33/12 ,  C01B33/141 ,  D21H11/00 ,  D21H13/00 ,  D21H15/00 ,  D21H17/00 ,  D21H19/00 ,  D21H21/00 ,  D21H25/00

    CPC分类号： C01B33/183 ,  C01B33/12 ,  C01P2004/50 ,  C01P2004/62 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/19 ,  C01P2006/90

    摘要： Pyrogenically produced silica powder with a BET surface of 30 to 90 m2/g, a dibutyl phthalate number of at least 80 and a tamped density of no more than 110 g/l. It is produced in that at least one vaporous silicon compound, a gas containing free oxygen and a combustible gas are mixed together in a closed burner and then burnt in a flame in the flame tube of the burner, the solid obtained is separated from the gas mixture and optionally purified, wherein the oxygen content of the gas containing free oxygen is adjusted such that the lambda value is greater than or equal to 1, and the gamma value is between 1.2 and 1.8. It can be used in toner applications.

    摘要翻译： 热塑性二氧化硅粉末，BET表面积为30〜90m2 / g，邻苯二甲酸二丁酯值至少为80，捣实密度不超过11​​0g / l。 制造方法是将至少一种气相硅化合物，含有游离氧气和可燃气体的气体在封闭的燃烧器中混合在一起，然后在燃烧器的火焰管中的火焰中燃烧，所得的固体与气体分离 混合物和任选地纯化，其中调节含游离氧的气体的氧含量使得λ值大于或等于1，并且γ值在1.2和1.8之间。 它可用于调色剂应用。

    Pyrogenically produced silicon dioxide powder and dispersion thereof
    4.
    发明授权
    Pyrogenically produced silicon dioxide powder and dispersion thereof 有权
    热解产生的二氧化硅粉末及其分散体

    公开(公告)号：US07537833B2

    公开(公告)日：2009-05-26

    申请号：US11055605

    申请日：2005-02-11

    申请人： Kai Schumacher ,  Hauke Jacobsen ,  Ralph Brandes ,  Matthias Rochnia ,  Takeyoshi Shibasaki ,  Naruyasu Ishibashi

    发明人： Kai Schumacher ,  Hauke Jacobsen ,  Ralph Brandes ,  Matthias Rochnia ,  Takeyoshi Shibasaki ,  Naruyasu Ishibashi

    IPC分类号： B32B5/16

    CPC分类号： C09K3/1463 ,  C01B33/1417 ,  C01B33/183 ,  Y10T428/2982 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/2998

    摘要： Pyrogenically produced silicon dioxide powder in the form of aggregates of primary particles having a BET surface area of 90±15 m2/g, wherein the aggregates display an average surface area of 10000 to 20000 nm2, an average equivalent circle diameter (ECD) of 90 to 130 nm and an average circumference of 1000 to 1400 nm.It is produced by a pyrogenic process in which silicon tetrachloride and a second silicon component comprising H3SiCl, H2SiCl2, HSiCl3, CH3SiCl3, (CH3)2SiCl2, (CH3)3SiCl and/or (n-C3H7)SiCl3 are mixed with primary air and a combustion gas and burnt into a reaction chamber, secondary air also being introduced into the reaction chamber, and the feed materials being chosen such that an adiabatic flame temperature of 1810 to 1890° C. is obtained.Dispersion containing the pyrogenically produced silicon dioxide powder.

    摘要翻译： 以BET表面积为90±15m 2 / g的一次粒子聚集体形式的热解法生产的二氧化硅粉末，其中聚集体的平均表面积为10000〜20000nm 2，平均当量圆直径（ECD）为90 至130nm，平均周长为1000〜1400nm。 其通过热解法制备，其中将四氯化硅和包含H3SiCl，H 2 SiCl 2，HSiCl 3，CH 3 SiCl 3，（CH 3）2 SiCl 2，（CH 3）3 SiCl和/或（n-C 3 H 7）SiCl 3的第二硅组分与一次空气和 燃烧气体并燃烧到反应室中，二次空气也被引入反应室，并且进料选择为使得获得1810至1890℃的绝热火焰温度。 含有热解产生的二氧化硅粉末的分散体。

    Pyrogenically produced silica
    5.
    发明申请
    Pyrogenically produced silica 有权
    热解产生的二氧化硅

    公开(公告)号：US20060093543A1

    公开(公告)日：2006-05-04

    申请号：US10530284

    申请日：2003-12-16

    申请人： Martin Morters ,  Hauke Jacobsen ,  Kai Schumacher

    发明人： Martin Morters ,  Hauke Jacobsen ,  Kai Schumacher

    IPC分类号： C01B33/12

    CPC分类号： C01B33/183 ,  C01B33/12 ,  C01P2004/50 ,  C01P2004/62 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/19 ,  C01P2006/90

    摘要： Pyrogenically produced silica powder with a BET surface of 30: to 90 m2/g, a dibutyl phthalate number of at least 80 and a tamped density of no more than 110 g/l. It is produced in that at least one vaporous silicon compound, a gas containing free oxygen and a combustible gas are mixed together in a closed burner and then burnt in a flame in the flame tube of the burner, the solid obtained is separated from the gas mixture and optionally purified, wherein the oxygen content of the gas containing free oxygen is adjusted such that die lambda value is greater than or equal to 1, and die gamma value is between 1.2 and 1.8. It can be used in toner applications.

    摘要翻译： 热塑性二氧化硅粉末，其BET表面积为30〜90m 2 / g，邻苯二甲酸二丁酯值至少为80，捣实密度不超过11​​0g / l。 制造方法是将至少一种气相硅化合物，含有游离氧气和可燃气体的气体在封闭的燃烧器中混合在一起，然后在燃烧器的火焰管中的火焰中燃烧，所得的固体与气体分离 混合物和任选地纯化，其中调节含游离氧的气体的氧含量使得管芯λ值大于或等于1，并且管芯γ值在1.2和1.8之间。 它可用于调色剂应用。

    Aluminium oxide powder produced by flame hydrolysis and having a large surface area
    7.
    发明授权
    Aluminium oxide powder produced by flame hydrolysis and having a large surface area 失效
    通过火焰水解产生的具有大的表面积的氧化铝粉末

    公开(公告)号：US07749322B2

    公开(公告)日：2010-07-06

    申请号：US10583723

    申请日：2004-11-30

    申请人： Kai Schumacher ,  Rainer Golchert ,  Roland Schilling ,  Christoph Batz-Sohn ,  Martin Moerters

    发明人： Kai Schumacher ,  Rainer Golchert ,  Roland Schilling ,  Christoph Batz-Sohn ,  Martin Moerters

    IPC分类号： C04B14/04 ,  B24D3/02 ,  C01F1/00

    CPC分类号： C01F7/302 ,  C01P2002/01 ,  C01P2002/02 ,  C01P2002/72 ,  C01P2004/50 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/19

    摘要： Aluminium oxide powder produced by flame hydrolysis and consisting of aggregates of primary particles, having a BET surface area of from 100 to 250 m2/g, a dibutyl phthalate absorption of from 50 to 450 g/100 g of aluminium oxide powder, which powder shows only crystalline primary particles in high-resolution TEM pictures. It is prepared by vaporizing aluminium chloride, transferring the vapour by means of a carrier gas to a mixing chamber and, separately therefrom, supplying hydrogen, air (primary air), which may optionally be enriched with oxygen and/or may optionally be pre-heated, to the mixing chamber, then igniting the mixture of aluminium chloride vapour, hydrogen, air in a burner and burning the flame into a reaction chamber that is separated from the surrounding air, subsequently separating the solid material from the gaseous substances and then treating the solid material with steam and optionally with air, the discharge rate of the reaction mixture from the mixing chamber into the reaction chamber being at least 10 m/s, and the lambda value being from 1 to 10 and the gamma value being from 1 to 15. It can be used as an ink-absorbing substance in ink-jet media.

    摘要翻译： 由火焰水解生成的氧化铝粉末，其由BET表面积为100〜250m 2 / g的一次粒子的聚集体，邻苯二甲酸二丁酯的吸收为50〜450g / 100g的氧化铝粉末，该粉末显示 只有晶体初级粒子在高分辨率TEM图片中。 它是通过汽化氯化铝，通过载气将蒸气转移到混合室中制备的，并与其分开供应氢气，空气（一次空气），其可以任选地富含氧气和/ 加热到混合室，然后点燃燃烧器中的氯化铝蒸气，氢气，空气的混合物，并将火焰燃烧成与周围空气分离的反应室，随后将固体材料与气态物质分离，然后处理 具有蒸汽和任选地具有空气的固体材料，反应混合物从混合室进入反应室的排出速率为至少10m / s，λ值为1至10，γ值为1至 它可以用作喷墨介质中的吸墨物质。

    Pyrogenic silicon dioxide and a dispersion thereof
    8.
    发明授权
    Pyrogenic silicon dioxide and a dispersion thereof 有权
    热解二氧化硅及其分散体

    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。