Pyrogenically produced silicon dioxide powder and silicone sealant containing this powder
    1.
    发明专利
    Pyrogenically produced silicon dioxide powder and silicone sealant containing this powder 有权
    生产硅粉的二氧化硅粉末和含有这种粉末的硅酮密封剂

    公开(公告)号:JP2006193404A

    公开(公告)日:2006-07-27

    申请号:JP2005106833

    申请日:2005-04-01

    CPC classification number: C08K3/36 C01B33/183 C09K3/1018 C08L83/04 C08L21/00

    Abstract: PROBLEM TO BE SOLVED: To provide a silicon dioxide powder displaying a good thickening action combined with a short incorporation time into polymers and good dispersibility in the polymers, particularly silicone polymers.
    SOLUTION: The silicon dioxide powder is pyrogenically produced in the form of aggregates of primary particles having a BET surface area of 150±15 m
    2 /g, wherein the aggregates display an average surface area of 12,000 to 20,000 nm
    2 , an average equivalent circle diameter (ECD) of 90 to 120 nm and an average circumference of 1,150 to 1,700 nm, and the powder is produced by a pyrogenic process.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:提供显示出良好的增稠作用的二氧化硅粉末,并将聚合物的掺入时间短,并且在聚合物,特别是硅氧烷聚合物中具有良好的分散性。 解决方案:二氧化硅粉末以BET表面积为150±15m 2 / SP / g / g的一次粒子的聚集体的形式热解生产,其中聚集体显示平均表面积 12000〜20,000nm(SPCD)2,平均当量圆直径(ECD)为90〜120nm,平均周长为1150〜1700nm,通过热解法制造粉末。 版权所有(C)2006,JPO&NCIPI

    Method for producing titanium dioxide having increased sintering activity
    2.
    发明专利
    Method for producing titanium dioxide having increased sintering activity 有权
    生产具有增加的烧结活性的二氧化钛的方法

    公开(公告)号:JP2013075829A

    公开(公告)日:2013-04-25

    申请号:JP2013008446

    申请日:2013-01-21

    Abstract: PROBLEM TO BE SOLVED: To provide titanium dioxide powder having high sintering activity.SOLUTION: This invention relates to crystalline titanium dioxide powder in the form of aggregated primary particles having a BET surface area of 30-65 m/g and a rutile content of 50-70%. It is produced by introducing titanium tetrachloride vapor and, separately therefrom, hydrogen, air or oxygen-enriched air into a mixing chamber, subsequently igniting the mixture of titanium tetrachloride vapor, hydrogen and primary air in a burner and burning the flame into a reaction chamber and subsequently separating off the solid from gaseous substances, where the amounts used therefor are selected so as to satisfy following equation: A=A=10{[(TiCl×H)/(amount of air×total gas)]/BET}, [in the equation, A=6-12 is obeyed]. The titanium dioxide powder can be used in the ceramics industry.

    Abstract translation: 要解决的问题:提供具有高烧结活性的二氧化钛粉末。 本发明涉及具有BET表面积为30-65μm的聚集的一次颗粒形式的结晶二氧化钛粉末和金红石含量 50-70%。 它是通过将四氯化钛蒸气和与其分开的氢气,空气或富氧空气引入混合室而产生的,随后在燃烧器中点燃四氯化钛蒸汽,氢气和一次空气的混合物,并将火焰燃烧成反应室 然后将固体与气态物质分离,其中选择用于其的量以满足以下等式:A = A = 10 <(SPC = SBST = “POST”> 4 ×H 2 )/(空气量×总气体)] / BET},[式中,A = 6-12 服从]。 二氧化钛粉末可用于陶瓷工业。 版权所有(C)2013,JPO&INPIT

    TITANIUM-ZIRCONIUM MIXED OXIDE POWDER
    5.
    发明申请
    TITANIUM-ZIRCONIUM MIXED OXIDE POWDER 审中-公开
    钛 - 氧化锆混合氧化粉

    公开(公告)号:WO2006067129A3

    公开(公告)日:2007-10-25

    申请号:PCT/EP2005056938

    申请日:2005-12-20

    Abstract: Titanium-zirconium mixed oxide powder in the form of aggregated primary particles, which powder has a content of titanium dioxide of from 40 to 97 wt . % and a content of zirconium dioxide of from 3 to 60 wt.%, wherein the sum of the contents of titanium dioxide and zirconium dioxide is at least 99.7 wt.% and wherein the contents are in each case based on the total amount of powder, and which exhibits reflections of titanium dioxide modifications and does not exhibit reflections of monoclinic, tetragonal and cubic zirconium dioxide in X-ray diffraction analysis. It is prepared by transporting into a mixing chamber a starting compound, in vapour form, for the first mixed oxide component by means of primary air and a starting compound, in vapour form, for the second mixed oxide component by means of an inert gas, mixing the mixture with hydrogen in a mixing chamber and burning it into a reaction chamber. It can be used as a catalyst support.

    Abstract translation: 钛 - 锆混合氧化物粉末为聚集的一次颗粒形式,该粉末的二氧化钛含量为40-97wt。 %和二氧化锆的含量为3至60重量%,其中二氧化钛和二氧化锆的含量之和为至少99.7重量%,其中每种情况下的含量基于粉末的总量 并且其表现出二氧化钛修饰的反射,并且在X射线衍射分析中不显示单斜晶,四方晶和立方二氧化锆的反射。 通过惰性气体将第一混合氧化物组分的蒸气形式的第一混合氧化物组分的蒸气形式的原料化合物输送到混合室中, 将混合物与氢气混合在混合室中并将其燃烧成反应室。 它可以用作催化剂载体。

    DISPERSION OF HYDROPHOBICIZED SILICON DIOXIDE PARTICLES AND GRANULES THEREOF
    6.
    发明申请
    DISPERSION OF HYDROPHOBICIZED SILICON DIOXIDE PARTICLES AND GRANULES THEREOF 审中-公开
    疏水性二氧化硅颗粒及其颗粒的分散

    公开(公告)号:WO2010006839A2

    公开(公告)日:2010-01-21

    申请号:PCT/EP2009056802

    申请日:2009-06-03

    Abstract: Process for preparing a dispersion of surface-modified silicon dioxide particles having an average particle diameter of not more than 100 nm by high-pressure milling of a preliminary dispersion comprising a) 10% to 50% by weight of surface-modified silicon dioxide particles, b) at least one glycol monoether of the general formula (A): H3C(CH2)m-O-(CH2)n-[O-(CH2)o]p-OH, c) at least one carboxylic ester of the general formula (B): H2x+1Cx-O-CH2-(CHR)-[O-CHR]y-O-C(=O)-CzH2z+1, d) the molar ratio A/B being 10:90 to 40:60 and m, n, o, p, x, y and z being independent of one another. Dispersion obtainable by this process. Process for producing granules of surface-modified silicon dioxide particles by separating off the liquid phase of the dispersion. Granules obtainable by this process. Use of dispersion and granules in coating materials.

    Abstract translation: 通过高压研磨预分散体制备平均粒径不超过100nm的表面改性的二氧化硅颗粒的分散体的方法,所述预分散体包含a)10重量%至50重量%的表面改性的二氧化硅颗粒, b)至少一种通式(A)的二醇单醚:H 3 C(CH 2)m -O-(CH 2)n - [O-(CH 2)o] p -OH,c)至少一种通式 B):H2x + 1Cx-O-CH2-(CHR) - [O-CHR] yOC(= O)-CzH2z + 1,d)A / B的摩尔比为10:90至40:60,m,n ,o,p,x,y和z彼此独立。 通过该过程可获得分散体。 通过分离分散体的液相来生产表面改性的二氧化硅颗粒的颗粒的方法。 通过该过程可获得的颗粒。 在涂料中使用分散剂和颗粒剂。

    PROCESS FOR PREPARING REDISPERSIBLE SURFACE-MODIFIED SILICON DIOXIDE PARTICLES
    7.
    发明申请
    PROCESS FOR PREPARING REDISPERSIBLE SURFACE-MODIFIED SILICON DIOXIDE PARTICLES 审中-公开
    制备可重复表面修饰的二氧化硅颗粒的方法

    公开(公告)号:WO2010006837A2

    公开(公告)日:2010-01-21

    申请号:PCT/EP2009056733

    申请日:2009-06-02

    Abstract: Process for preparing surface-modified silicon dioxide particles with a mean particle diameter of at most 100 nm, comprising the steps of: a) providing a predispersion b) high-pressure grinding of the predispersion to form a dispersion c) removing the liquid phase of the dispersion, the predispersion comprising al) surface-modified silicon dioxide particles which are at least partly aggregated, are bonded to the surface-modifying component via Si-O-Si bonds and still have reactive groups on their surface, a2) one or more organosilicon compounds which have at least one silicon-carbon bond and at least one functional group which can react with the reactive groups to form a covalent Si-O-Si bond, and a3) one or more solvents. Redispersible, surface-modified silicon dioxide particles obtainable by this process. Use of these in toner powders, silicone rubber, adhesives and scratch-resistance surface coatings.

    Abstract translation: 制备平均粒径为至多100nm的表面改性二氧化硅颗粒的方法,包括以下步骤:a)提供预分散体b)预分散体的高压研磨以形成分散体c)除去 分散体,包含a1)至少部分聚集的表面改性二氧化硅颗粒的预分散体通过Si-O-Si键与表面改性组分键合,并且在其表面上仍具有反应性基团,a2)一个或多个 具有至少一个硅 - 碳键的有机硅化合物和至少一个可与反应性基团反应形成共价Si-O-Si键的官能团,和a)一种或多种溶剂。 可通过该方法获得的可再分散的表面改性二氧化硅颗粒。 在调色剂粉末,硅橡胶,粘合剂和耐刮擦表面涂层中使用这些。

    Auf organischem Lösungsmittel basierende Metalloxid-Dispersion

    公开(公告)号:DE102011075918A1

    公开(公告)日:2012-11-22

    申请号:DE102011075918

    申请日:2011-05-16

    Abstract: Metalloxidpartikel enthaltende Dispersion, bei der a) die Metalloxidpartikel a1) ausgewählt sind aus einem oder mehreren Oxiden der Gruppe bestehend Titandioxid, Ceroxid, Zinkoxid und Zirkondioxid a2) mit einem Anteil von wenigstens 25 Gew.-% in der Dispersion vorliegen, a3) einen mittleren Aggregatdurchmesser von 20 bis 120 nm aufweisen und b) die flüssige Phase b1) 90 bis 99,5 Gew.-% eines oder mehrerer Alkanole CnH2n+1OH mit n = 2 bis 4, b2) 0,5 bis 10 Gew.-% einer oder mehrerer α,&bgr;-ungesättigter Carbonsäuren mit 4 bis 12 C-Atomen, b3) 0 bis 2 Gew.-% eines oder mehrerer Alkandiole HO(CH2)xOH mit x = 2 bis 4, b4) maximal 5 Gew.-% ieradditive aus der Gruppe bestehend aus polyoxyethylenierten Alkyletherphosphaten, polyoxyethylenierten Aryletherphosphaten; Alkylolammoniumsalzen von Block-Copolymeren mit aciden Gruppen; Polyalkylenglykolen, Polyalkyleniminen, Polyalkylenalkoholen enthält. Verwendung der Dispersion zur Herstellung von Farbstoffsolarzellen.

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