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1. 发明申请

WO2004020334A1 SILICON DIOXIDE DISPERSION 审中-公开
标题翻译：二氧化硅分散剂
公开(公告)号：WO2004020334A1
公开(公告)日：2004-03-11
申请号：PCT/EP2003/008332
申请日：2003-07-29
申请人： DEGUSSA AG , SCHUMACHER, Kai , OSWALD, Monika
发明人： SCHUMACHER, Kai , OSWALD, Monika
IPC分类号： C01B33/18
CPC分类号： C01B33/1415 , C01B33/18 , C01B33/183 , C01P2002/54 , C01P2006/12 , C01P2006/22 , C01P2006/82 , C01P2006/90
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含水分散体，其羟基密度为2.5至4.7HOH / nm 2，其由在酸性条件下通过火焰水解过程产生的二氧化硅粉末获得。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。

2. 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。

3. 发明申请

WO2005026068A2 HIGH-PURITY PYROGENICALLY PREPARED SILICON DIOXIDE 审中-公开
标题翻译：高纯度生成二氧化硅
公开(公告)号：WO2005026068A2
公开(公告)日：2005-03-24
申请号：PCT/EP2004/010335
申请日：2004-09-16
申请人： DEGUSSA AG , JACOBSEN, Hauke , OSWALD, Monika , SCHUMACHER, Kai , MÖRTERS, Martin
发明人： JACOBSEN, Hauke , OSWALD, Monika , SCHUMACHER, Kai , MÖRTERS, Martin
IPC分类号： C03C1/00
CPC分类号： C01B33/183 , C03B19/12 , C03B2201/03 , C03C1/02 , Y02P40/57
摘要： High-purity pyrogenically prepared silicon dioxide having metal contents of less than 0.2 &mgr;g/g is prepared by reacting a silicon tetrachloride having a metal content of less than 30 ppb by means of flame hydrolysis. The silicon dioxide can be utilised for the manufacture of high-purity glasses by means of the sol-gel process, which show a high-homogenity. It can be used for the production of shaped articles, which can be used as preforms for the optical fiber spinning.
摘要翻译：通过火焰水解使具有小于30ppb的金属含量的四氯化硅反应制备金属含量小于0.2mug / g的高纯度热解法制备的二氧化硅。二氧化硅可用于通过溶胶 - 凝胶法制造高纯度玻璃，这表现出高均匀性。它可以用于生产成型制品，其可以用作光纤纺丝的预成型件。

4. 发明申请

WO2009007200A3 PROCESS FOR PREPARING METAL OXIDE GRANULES 审中-公开
公开(公告)号：WO2009007200A3
公开(公告)日：2009-01-15
申请号：PCT/EP2008/057566
申请日：2008-06-16
申请人： EVONIK DEGUSSA GMBH , SCHULZE-ISFORT, Christian , BRAUN, Björn , OSWALD, Monika , SCHUMACHER, Kai , HOFMANN, Ralph
发明人： SCHULZE-ISFORT, Christian , BRAUN, Björn , OSWALD, Monika , SCHUMACHER, Kai , HOFMANN, Ralph
IPC分类号： B01J2/22 , C04B35/622
摘要： Process for preparing metal oxide granules having a particle diameter of 200 to 1500 μm, characterized in that a pyrogenic metal oxide powder selected from the group consisting of the oxides of Al, B, Ce, Cs, Er, Fe, In, Ga, Ge, Ni, Pb, Sn, Ta, Zr and/or Zn with a tamped density of 10 to 1200 g/l is compacted to slugs which are subsequently crushed and optionally classified, the slug fragments having a tamped density of 210 to 2000 g/1.

5. 发明申请

WO2009007146A1 SINTERED, HIGH-PURITY GRANULAR MATERIAL CONTAINING SILICON DIOXIDE 审中-公开
标题翻译：烧结，含有二氧化硅的高纯度颗粒材料
公开(公告)号：WO2009007146A1
公开(公告)日：2009-01-15
申请号：PCT/EP2008/054287
申请日：2008-04-09
申请人： EVONIK DEGUSSA GMBH , OSWALD, Monika , SCHULZE-ISFORT, Christian , SCHUMACHER, Kai , HOFMANN, Ralph , KISSNER, Corinna
发明人： OSWALD, Monika , SCHULZE-ISFORT, Christian , SCHUMACHER, Kai , HOFMANN, Ralph , KISSNER, Corinna
IPC分类号： C03B19/10 , C03C12/00
CPC分类号： C03B19/1005 , C03C1/006 , C03C3/06 , C03C3/083 , C03C12/00 , C03C2201/06 , C03C2201/14 , C03C2201/28 , C03C2201/31 , C03C2201/32 , C03C2201/34 , C03C2201/40 , C03C2201/42 , C03C2201/50 , C03C2203/20 , C04B35/14 , C04B35/62655 , C04B2235/72
摘要： Process for producing a sintered granular material containing silicon dioxide and having a BET surface area of less than 1 m 2 g and a proportion of impurities of less than 50 ppm, in which a mixture which contains silicon dioxide powder and a metal compound is intensively mixed in an atmosphere having a relative atmospheric humidity of from 1.0 to 100% at temperatures of from 0 to 50°C by means of a dispersing apparatus, the crumbly mass is divided into pieces, subsequently dried, purified 'and sintered. The moisture content of the silicon dioxide powder and/or the atmospheric humidity are/is at least sufficient to hydrolyse the metal compound completely.
摘要翻译：制备含有二氧化硅并且BET表面积小于1m 2 g的烧结颗粒材料和小于50ppm的杂质比例的方法，其中含有二氧化硅粉末和金属化合物的混合物在气氛通过分散装置在0至50℃的温度下具有1.0至100％的相对大气湿度，将碎屑块分成几块，随后干燥，纯化并烧结。二氧化硅粉末和/或大气湿度的水分含量至少足以使金属化合物完全水解。

6. 发明申请

WO2007023033A1 STABILISED ALUMINIUM ZIRCONIUM MIXED OXIDE POWDER 审中-公开
标题翻译：稳定的二氧化锆混合氧化物粉末
公开(公告)号：WO2007023033A1
公开(公告)日：2007-03-01
申请号：PCT/EP2006/064286
申请日：2006-07-14
申请人： DEGUSSA AG , KATUSIC, Stipan , MEYER, Jürgen , MIESS, Horst , OSWALD, Monika , ROCHNIA, Matthias
发明人： KATUSIC, Stipan , MEYER, Jürgen , MIESS, Horst , OSWALD, Monika , ROCHNIA, Matthias
IPC分类号： C01G25/00 , C01G25/02 , C04B35/488
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 15000C, 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粒子中，氧化铝，二氧化锆和氧化钇的含量为粉末总量的99.5重量％以上，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成氧化铝，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700〜1500℃，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。

7. 发明申请

WO2006094875A1 PROCESS FOR THE PRODUCTION OF GLASS-MONOLITHS BY MEANS OF THE SOL-GEL PROCESS 审中-公开
标题翻译：通过溶胶凝胶法生产玻璃单体的方法
公开(公告)号：WO2006094875A1
公开(公告)日：2006-09-14
申请号：PCT/EP2006/050919
申请日：2006-02-14
申请人： DEGUSSA AG , OSWALD, Monika , DELLER, Klaus
发明人： OSWALD, Monika , DELLER, Klaus
IPC分类号： C03B19/12
CPC分类号： C03B19/12 , Y02P40/57
摘要： Method for fabricating a glass -monolith by the sol-gel process, in which a pyrogenically produced silica (fumed silica) is used in the form of a powder and/or a dispersion, characterized in that as pyrogenically produced silica (fumed silica) a silica (fumed silica) deriving from the group highly pure, pyrogenically produced silica (fumed silica) with a metal content of lower than 9 ppm and/or a pyrogenically prepared silicon dioxide powder having - a BET surface area of 30 to 90 m2/g, - a DBP number of 80 or less, an average aggregate area of less than 25,000 nm2 , an average aggregate circumference of less than 1,000 nm, at least 70 % of the aggregates having a circumference of less than 1,300 nm is used.
摘要翻译：通过溶胶 - 凝胶法制造玻璃 - 单晶的方法，其中以粉末和/或分散体的形式使用热解法生产的二氧化硅（热解法二氧化硅），其特征在于，作为热解法生产的二氧化硅（热解二氧化硅）a 衍生自具有金属含量低于9ppm的高纯度，热解法生产的二氧化硅（热解法二氧化硅）和/或热解法制备的二氧化硅粉末（BET表面积为30至90m 2 / g）的二氧化硅（热解法二氧化硅）， - DBP值为80以下，平均聚集面积小于25000nm 2，平均聚集体周长小于1000nm，使用周长小于1300nm的聚集体的至少70％。

8. 发明申请

WO2006094878A1 METHOD FOR PRODUCING ULTRA-HIGH PURITY, OPTICAL QUALITY, GLASS ARTICLES 审中-公开
标题翻译：生产超高纯度，光学品质，玻璃制品的方法
公开(公告)号：WO2006094878A1
公开(公告)日：2006-09-14
申请号：PCT/EP2006/050971
申请日：2006-02-15
申请人： DEGUSSA AG , OSWALD, Monika , MEYER, Jürgen , DELLER, Klaus
发明人： OSWALD, Monika , MEYER, Jürgen , DELLER, Klaus
IPC分类号： C03B19/06 , C03B32/00 , C01B33/18
CPC分类号： C03B19/06 , C03B19/066 , C03B32/005
摘要： A method for producing ultra-high purity, optical quality, glass articles is disclosed which involves: 1. compacting metaloxide or metal loidoxide to granules having a mean particle size of less than about 1 millimeter; 2. optionally fully sintering the granules to produce high purity, artificial sand; 3. casting the granulesar artificial sand by conventional techniques, such as, slip casting, to form a high density, porous, green body; 4. optionally drying and partially sintering the green body; 5. optionally fully sintering the green body under vacuum,- and 6. optionally hot isostatic pressing the fully sintered green body whereby the metal oxide or metalloid oxides is a 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 or a high-purity pyrogenically prepared silicon dioxide having metal contents of less than 0.2 µg/g.
摘要翻译：公开了一种生产超高纯度，光学品质的玻璃制品的方法，其包括：1.将金属氧化物或金属氧化物压制成具有小于约1毫米的平均粒度的颗粒; 2.可选地完全烧结颗粒以产生高纯度人造砂; 3.通过常规技术如滑移浇注铸造颗粒状人造砂，形成高密度，多孔，生坯; 4.可选地干燥和部分烧结生坯; 5.可选地，在真空下完全烧结生坯体，以及6.可选地，对等离子体等温压制完全烧结的生坯，由此金属氧化物或准金属氧化物是BET表面积为30至90m 2 / g的致热二氧化硅粉末， 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的圆周或高纯度热解法制备金属含量小于0.2μg/ g的二氧化硅。

9. 发明申请

WO2006094877A1 A METHOD OF PRODUCING GLASS OF OPTICAL QUALITY 审中-公开
标题翻译：生产光学玻璃的方法
公开(公告)号：WO2006094877A1
公开(公告)日：2006-09-14
申请号：PCT/EP2006/050954
申请日：2006-02-15
申请人： DEGUSSA AG , OSWALD, Monika , MEYER, Jürgen , DELLER, Klaus
发明人： OSWALD, Monika , MEYER, Jürgen , DELLER, Klaus
IPC分类号： C03B37/012 , C03B19/01 , C03B19/10 , C01B33/18
CPC分类号： C03B37/01291 , C03B19/01 , C03B19/102 , C03B19/106 , C03B2201/07 , C03B2201/12
摘要： Glass is produced by depositing presintering composition on a preform set into move in front of a plasma torch which moves back and forth substantially parallel to a longitudinal direction of the preform, a first feed duct feeds the plasma with grains of the presintering composition while optionally a second feed duct feeds the plasma with a fluorine or chlorine compound, preferably a fluorine compound, mixed with a carrier gas, whereby the presintering composition consists of granules of metal oxides or metalloid oxides of a 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 or a high-purity pyrogenically prepared silicon dioxide having metal contents of less than 0.2 μg/g, which is prepared by reacting a silicon tetrachloride having a metal content of less than 30 ppb by means of flame hydrolysis.
摘要翻译：玻璃是通过将预烧结组合物沉积在等离子体焰炬之前移动的预成型体上制造的，所述等离子体焰炬基本上平行于预成型件的纵向方向前后移动，第一进料管将预烧结组合物的颗粒进料到等离子体，第二进料管将等离子体与载体气体混合的氟或氯化合物，优选氟化合物进料，其中预烧结组合物由BET表面积为30的热解二氧化硅粉末的金属氧化物或准金属氧化物颗粒组成至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的圆周或金属含量小于0.2μg/ g的高纯度热解法制备的二氧化硅，其通过使金属含量为1的四氯化硅通过火焰水解30埃以上。

10. 发明申请

WO2006094876A2 GRANULES BASED ON PYROGENICALLY PREPARED SILICON DIOXIDE, METHOD FOR THEIR PREPARATION AND USE THEREOF 审中-公开
标题翻译：基于有机硅制备的二氧化硅颗粒，其制备和使用方法
公开(公告)号：WO2006094876A2
公开(公告)日：2006-09-14
申请号：PCT/EP2006/050946
申请日：2006-02-15
申请人： DEGUSSA AG , MEYER, Jürgen , OSWALD, Monika , DELLER, Klaus
发明人： MEYER, Jürgen , OSWALD, Monika , DELLER, Klaus
CPC分类号： C09C1/3036 , C01B33/18 , C01P2006/11 , C01P2006/12 , C01P2006/14 , C01P2006/17 , C01P2006/19 , C03B19/106 , C03B19/108 , C03B2201/03 , Y10T428/2982 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995
摘要： Granules based on silicon dioxide and having the properties : Average grain size: 10 to 120 μm BET surface area: 40 to 400 m2/g Pore volume: 0.5 to 2.5 ml/g Pore size distribution: less than 5 % of the total pore volume exists of pores with a diameter
摘要翻译：基于二氧化硅的颗粒，具有以下性质：平均粒径：10〜120μmBET表面积：40〜400m2 / g孔体积：0.5〜2.5ml / g孔径分布：小于总孔体积的5％存在直径小于5nm的孔，静置中孔和大孔pH值：3.6至8.5撕裂密度：220至700g / l它们通过将二氧化硅分散在水中，喷雾干燥，任选地加热和/或硅烷化来制备。而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的热解二氧化硅粉末，其中至少 70％的聚集体具有小于1300nm的圆周，或者通过使具有小于30ppb的金属含量的四氯化硅与方法制备具有小于0.2μg/ g的金属含量的高纯度热解法制备的二氧化硅使用火焰水解。

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