Mixed oxide powder comprising alkali metal oxide, and silicone rubber comprising this powder
    11.
    发明授权
    Mixed oxide powder comprising alkali metal oxide, and silicone rubber comprising this powder 有权
    包含碱金属氧化物的混合氧化物粉末和包含该粉末的硅橡胶

    公开(公告)号:US07862797B2

    公开(公告)日:2011-01-04

    申请号:US11917199

    申请日:2006-05-23

    IPC分类号: C01C1/00

    摘要: Alkali metal oxide-metal oxide mixed oxide powder in the form of aggregates of pore-free primary particles, comprising from 0.005 to 5% by weight of at least one alkali metal oxide, which has a BET surface area of from 100 to 350 m2/g, has a specific DBP number, expressed as DBP number per square meter of specific surface area, greater than or equal to that of a powder which has only the metal oxide component, has the alkali metal oxide distributed in the core and on the surface of the primary particles. Silicone rubber comprising the alkali metal oxide-metal oxide mixed oxide powder.

    摘要翻译: 碱性金属氧化物 - 金属氧化物混合氧化物粉末,其为无孔一次粒子的聚集体形式,包含0.005至5重量%的至少一种碱金属氧化物,BET表面积为100-350m2 / g具有特定DBP数,表示为每平方米比表面积的DBP数,大于或等于仅具有金属氧化物组分的粉末,具有分布在芯中和表面上的碱金属氧化物 的初级粒子。 含有碱金属氧化物 - 金属氧化物混合氧化物粉末的硅橡胶。

    PHOTOCATALYST
    13.
    发明申请
    PHOTOCATALYST 有权
    光电子学

    公开(公告)号:US20100120609A1

    公开(公告)日:2010-05-13

    申请号:US11995939

    申请日:2006-07-06

    IPC分类号: B01J21/08 B01J21/06

    摘要: Silicon titanium mixed oxide powder having the following features: BET surface area of 5 to 300 m2/g, silica content, based on the total amount of the mixed oxide powder, of ≧0.1 to

    摘要翻译: 具有以下特征的硅钛混合氧化物粉末:BET表面积为5〜300m 2 / g,二氧化硅含量相对于混合氧化物粉末的总量为0.1〜0.5重量%,二氧化钛含量为基准 混合氧化物粉末的总量相对于混合氧化物粉末的总量为99.5重量%,二氧化钛和二氧化钛的比例相对于99.5重量%的二氧化钛的含量为99.5重量% 包含相互成长的金红石和锐钛矿相的颗粒,一次颗粒的二氧化硅含量无定形。 通过允许一种或多种蒸气,在每种情况下,可氧化和/或可水解的钛和硅化合物在高温区域与氧气和/或蒸汽反应,在反应后冷却反应混合物并分离出粉末状 固态气体物质。 含有硅钛混合氧化物粉末的分散体。 底物涂有硅钛混合氧化物粉末。 使用硅钛混合氧化物粉末,分散体或涂覆的基材作为光催化剂。

    TITANIUM DIOXIDE HAVING A VARIABLE SINTERING STABILITY
    15.
    发明申请
    TITANIUM DIOXIDE HAVING A VARIABLE SINTERING STABILITY 审中-公开
    具有可变烧结稳定性的二氧化钛

    公开(公告)号:US20080318046A1

    公开(公告)日:2008-12-25

    申请号:US12125531

    申请日:2008-05-22

    IPC分类号: B32B5/16 C01G23/047 C01G23/07

    摘要: Provided is a crystalline TiO2 powder in the form of aggregated primary particles having a variable sintering stability at a BET surface area of 70-100 m2/g and a rutile content of greater than 10% but less than or equal to 40%, and a process for preparing the crystalline TiO2 powder, which involves: introducing a TiCl4 vapor and, separately therefrom, H2 and a primary air into a mixing chamber to produce a gaseous mixture; igniting the gaseous mixture in a burner to produce a flame, which is burned into a reaction chamber to produce the crystalline TiO2 powder and gaseous substances; and separating the crystalline TiO2 powder from the gaseous substances, wherein the relative amounts of TiCl4 vapor, H2 and primary air are selected to provide crystalline TiO2 powder having the aforementioned BET surface area and rutile content, with the proviso that factor A has a value of 0.1-0.4·105 g/m2 in accordance within the following formula: factor A=105{[(TiCl4 vapor×H2)/(primary air×gaseous mixture)]/BET]}.

    摘要翻译: 提供了在BET表面积为70-100m 2 / g,金红石含量大于10%但小于或等于40%时具有可变烧结稳定性的聚集一次颗粒形式的结晶TiO 2粉末,以及 制备结晶TiO 2粉末的方法,其包括:将TiCl 4蒸气和与其分开的H 2和一次空气引入混合室以产生气态混合物; 点燃燃烧器中的气体混合物以产生火焰,其被燃烧到反应室中以产生结晶TiO 2粉末和气态物质; 并且从气态物质中分离出结晶TiO 2粉末,其中选择TiCl 4蒸汽,H 2和一次空气的相对量以提供具有上述BET表面积和金红石含量的结晶TiO 2粉末,条件是因子A的值为 0.1-0.4.105g / m 2,按照下列公式:因子A = 105 {[(TiCl 4·蒸气×H 2)/(初级气体混合气体)] / BET]}。

    Pyrogenic silicon dioxide powder and dispersion thereof
    16.
    发明申请
    Pyrogenic silicon dioxide powder and dispersion thereof 有权
    热解二氧化硅粉末及其分散体

    公开(公告)号:US20060201647A1

    公开(公告)日:2006-09-14

    申请号:US10549929

    申请日:2004-03-15

    摘要: Pyrogenically produced silicon dioxide powder with a specific surface area of between 5 and 600 m2/g and a carbon content of less than 500 ppm, which displays a specific dibutyl phthalate absorption of less than or equal to 1.2 g dibutyl phthalate/100 g SiO2 per m2 of specific surface area and a specific thickening action of less than 15 mPas/m2 of specific surface area. It is produced by supplying vaporous tetramethoxysilane and/or tetraethoxysilane together with air and separately hydrogen to a burner, and allowing the mixture of gases to react in a flame in a reaction chamber connected in series to the burner, and separating the solid reaction product from the gas stream by known means, the lambda value in the burner being between 0.95 and 1.5 and sufficient secondary air also being supplied to the reaction chamber that the lambda value in the reaction chamber is between 0.8 and 1.6. The invention also provides a dispersion containing the silicon dioxide powder and the use of the powder and of the dispersion.

    摘要翻译: 比热表面积为5〜600m 2 / g,碳含量小于500ppm的热解生成二氧化硅粉末,其特征在于邻苯二甲酸二丁酯的吸收小于或等于1.2 g二丁基邻苯二甲酸酯/ 100g SiO 2 / m 2比表面积和特定增稠作用小于15mPas / m 2比表面积。 它是通过将空气四甲氧基硅烷和/或四乙氧基硅烷与空气和单独的氢气一起向燃烧器供应的,并且允许气体混合物在与燃烧器串联连接的反应室中的火焰中反应,并将固体反应产物从 通过已知方式的气流,燃烧器中的λ值在0.95和1.5之间,并且足够的二次空气也被供应到反应室,反应室中的λ值在0.8和1.6之间。 本发明还提供了含有二氧化硅粉末的分散体以及粉末和分散体的用途。

    Photocatalyst
    18.
    发明授权
    Photocatalyst 有权
    光催化剂

    公开(公告)号:US07910515B2

    公开(公告)日:2011-03-22

    申请号:US11995939

    申请日:2006-07-06

    摘要: Silicon titanium mixed oxide powder having the following features: BET surface area of 5 to 300 m2/g, silica content, based on the total amount of the mixed oxide powder, of ≧0.1 to

    摘要翻译: 具有以下特征的硅钛混合氧化物粉末:BET表面积为5〜300m 2 / g,二氧化硅含量相对于混合氧化物粉末的总量为0.1〜0.5重量%,二氧化钛含量为基 混合氧化物粉末的总量相对于混合氧化物粉末的总量为99.5重量%,二氧化钛和二氧化钛的比例相对于99.5重量%的二氧化钛的含量为99.5重量% 包含共生金红石和锐钛矿相的颗粒通过允许一种或多种在各种情况下的可氧化和/或可水解的钛和硅化合物的蒸气在高温区与氧气和/ 或蒸汽,在反应后冷却反应混合物,并从气态物质中分离出粉状固体。

    Silicon dioxide dispersion
    19.
    发明授权
    Silicon dioxide dispersion 有权
    二氧化硅分散体

    公开(公告)号:US07892510B2

    公开(公告)日:2011-02-22

    申请号:US12580384

    申请日:2009-10-16

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

    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。