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1. 发明申请

WO2009074440A2 PROCESS FOR PREPARING SILICON DIOXIDE DISPERSIONS 审中-公开
标题翻译：制备二氧化硅分散体的方法
公开(公告)号：WO2009074440A2
公开(公告)日：2009-06-18
申请号：PCT/EP2008/065917
申请日：2008-11-20
申请人： EVONIK DEGUSSA GMBH , LORTZ, Wolfgang , WILL, Werner , REITZ, Sascha , PERLET, Gabriele
发明人： LORTZ, Wolfgang , WILL, Werner , REITZ, Sascha , PERLET, Gabriele
IPC分类号： C01B33/141
CPC分类号： C01B33/1417 , C01B33/1415
摘要： Process for preparing an alkaline dispersion of aggregated silicon dioxide particles by dividing a preliminary dispersion within a pH of 3 to 5 into at least two streams, placing these streams under a pressure of at least 50 bar and depressurizing them to a collision point, each via one nozzle, in a grinding chamber, and admixing the dispersion that runs off at the bottom, while still in the grinding chamber, with an alkaline substance in an amount such that the dispersion overall has a pH of more than 7.
摘要翻译：通过将3至5的pH范围内的预分散体分成至少两股流，将这些物流放置在至少50巴的压力下并将其减压至碰撞点，从而制备聚集的二氧化硅颗粒的碱性分散体的方法，一个喷嘴，在研磨室中，并且在仍然在研磨室中的底部上分散的分散体与碱性物质混合，使得分散体总体上的pH值大于7。

2. 发明申请

WO2007096226A1 ALUMINIUM OXIDE-CONTAINING DISPERSION 审中-公开
标题翻译：含氧化铝的分散体
公开(公告)号：WO2007096226A1
公开(公告)日：2007-08-30
申请号：PCT/EP2007/050779
申请日：2007-01-26
申请人： DEGUSSA GMBH , LORTZ, Wolfgang , PERLET, Gabriele , WILL, Werner , REITZ, Sascha
发明人： LORTZ, Wolfgang , PERLET, Gabriele , WILL, Werner , REITZ, Sascha
IPC分类号： C08K9/00
CPC分类号： C09C1/407 , B82Y30/00 , C01P2004/50 , C01P2004/64 , C01P2006/12 , C01P2006/22
摘要： Dispersion containing aluminium oxide and water, wherein the aluminium oxide is present in the form of aggregated primary particles with a BET surface area of 20 to 200 m 2 /g and has a mean, volume-based aggregate diameter in the dispersion of less than 100 nm, is modified with organophosphonic acids and/or salts thereof, wherein the surface is completely or partially modified, the organophosphonic acids bear at least one amino and/or hydroxy group and is present in a content of 20 to 70 wt.%, based on the total quantity of the dispersion. Preparation containing this dispersion and a melamine resin. Cured product obtainable from the preparation. Use of the dispersion, of the preparation or of the cured product for the preparation of laminates.
摘要翻译：含有氧化铝和水的分散体，其中所述氧化铝以BET表面积为20〜200m 2 / g的聚集的一次粒子的形式存在，并且具有平均的体积基聚集体直径在小于100nm的分散体中，用有机膦酸和/或其盐改性，其中表面是完全或部分改性的，有机膦酸具有至少一个氨基和/或羟基并以20的含量存在至70重量％，基于分散体的总量。包含该分散体和三聚氰胺树脂的制备。固化产品可从制备中获得。使用分散体，制剂或固化产品来制备层压材料。

3. 发明申请

WO2006002773A1 SILICON DIOXIDE DISPERSION COMPRISING POLYOL 审中-公开
标题翻译：含二氧化硅的分散体包含多元醇
公开(公告)号：WO2006002773A1
公开(公告)日：2006-01-12
申请号：PCT/EP2005/006481
申请日：2005-06-16
申请人： DEGUSSA AG , LORTZ, Wolfgang , BATZ-SOHN, Christoph , MANGOLD, Helmut , PERLET, Gabriele , WILL, Werner , REITZ, Sascha
发明人： LORTZ, Wolfgang , BATZ-SOHN, Christoph , MANGOLD, Helmut , PERLET, Gabriele , WILL, Werner , REITZ, Sascha
IPC分类号： C01B33/148
CPC分类号： C01B33/1485 , B32B17/069 , C01P2004/50 , C01P2004/62 , C01P2006/12 , C01P2006/22 , C09C1/3072
摘要： Stable, pourable silicon dioxide dispersion, in which the average, number-related aggregate diameter of the silicon dioxide particles in dispersion is less than 200 nm, and which comprises at least 35 wt.% of a silicon dioxide powder, 3 to 35 wt.% of at least one polyol, 20 to 60 wt.% of water, 0 to 10 wt.% of an additive and a substance having an alkaline action in an amount such that a pH of 10
摘要翻译：稳定的可倾倒的二氧化硅分散体，其中分散体中二氧化硅颗粒的平均数目相关聚集体直径小于200nm，并且其包含至少35重量％的二氧化硅粉末，3至35重量％至少一种多元醇的％，20-60重量％的水，0至10重量％的添加剂和具有碱性作用的物质，其量使得pH <10的pH值为12。其可以通过将二氧化硅粉末引入水中的方法和转子/定子机器中的多元醇，pH小于5的程序来制备，并且混合物被分散直到转子/定子机器的电流摄取大部分然后加入具有碱性作用的物质，使得分散体的pH值<10

4. 发明申请

WO2006010438A2 DISPERSION CONTAINING TITANIUM DIOXIDE 审中-公开
标题翻译：含二氧化钛的分散体
公开(公告)号：WO2006010438A2
公开(公告)日：2006-02-02
申请号：PCT/EP2005/007210
申请日：2005-07-05
申请人： DEGUSSA AG , PERLET, Gabriele , LORTZ, Wolfgang , BATZ-SOHN, Christoph , WILL, Werner , REITZ, Sascha
发明人： PERLET, Gabriele , LORTZ, Wolfgang , BATZ-SOHN, Christoph , WILL, Werner , REITZ, Sascha
IPC分类号： C09C1/36
CPC分类号： C03C17/256 , B82Y30/00 , C01P2004/64 , C01P2006/12 , C03C2217/212 , C03C2218/113 , C04B41/009 , C04B41/5041 , C04B41/87 , C04B2111/00586 , C04B2111/2061 , C04B2111/60 , C09C1/3669 , C09D17/008 , C04B41/4539 , C04B33/00
摘要： Aqueous dispersion obtainable by placing in water an aggregated titanium dioxide powder having a specific surface area of from 20 to 150 m 2 /g in such an amount that the desired dispersion comprises at least 20 wt.% titanium dioxide, and at least one amino alcohol having from 1 to 6 carbon atoms, and at least one carboxylic acid from the group comprising dibasic carboxylic acids and/or hydroxycarboxylic acids having from 2 to 6 carbon atoms, - the amino alcohol being present in the dispersion in an amount of from 2.5 to 7.0 μmol./m 2 specific surface area TiO 2 and the carboxylic acid being present in an amount of from 1.0 to 3.5 μmol./m 2 specific surface area TiO 2 , - producing a pre-dispersion by introducing energy in an amount of less than 200 kJ/m 3 and then producing a dispersion in which the aggregated titanium dioxide powder has a mean, volume-related aggregate diameter of less than 150 nm by grinding the pre-dispersion by means of a high-energy mill at a pressure of at least 500 bar. The dispersion can be used in the coating of glass, ceramics and metal surfaces.
摘要翻译：通过将比表面积为20-150m 2 / g的聚集二氧化钛粉末置于水中获得的水分散体，其量为使所需分散体包含至少20重量％的二氧化钛和至少一种具有1至6个碳原子的氨基醇，以及至少一种选自具有2至6个碳原子的二元羧酸和/或羟基羧酸的羧酸， - 所述氨基醇以2.5-7.0μmol/ m 2比表面积TiO 2的量存在于所述分散体中，并且所述羧酸以一定量存在从1.0到3.5μmol/μm2比表面积TiO 2， - 通过引入小于200kJ / m 2的量的能量产生预分散体

5. 发明申请

WO2008068062A1 DISPERSION CONTAINING TITANIUM DIOXIDE 审中-公开
标题翻译：含二氧化钛的分散体
公开(公告)号：WO2008068062A1
公开(公告)日：2008-06-12
申请号：PCT/EP2007/058930
申请日：2007-08-28
申请人： EVONIK DEGUSSA GMBH , LORTZ, Wolfgang , PERLET, Gabriele , DIENER, Uwe , REITZ, Sascha , VORMBERG, Reinhard
发明人： LORTZ, Wolfgang , PERLET, Gabriele , DIENER, Uwe , REITZ, Sascha , VORMBERG, Reinhard
IPC分类号： C09C1/36 , C03C17/25 , C04B41/50 , C09D17/00
CPC分类号： C04B41/87 , B01J21/063 , B01J35/004 , B82Y30/00 , C01P2004/64 , C01P2006/12 , C01P2006/22 , C03C17/256 , C03C2217/212 , C03C2217/71 , C04B41/009 , C04B41/5041 , C04B2111/00827 , C04B2111/805 , C08K3/22 , C09D7/61 , C09D7/67 , C09D17/008 , C04B41/4539 , C04B41/4549 , C04B33/00 , C04B35/00
摘要： Aqueous dispersion which contains titanium dioxide, water, at least one aminoalcohol and at least one hydroxycarboxylic acid, the titanium dioxide being present in the form of aggregated primary particles having a mean, volume-related aggregate diameter of 70 to 100 nm and the proportion in the dispersion of titanium dioxide being 25 to 50% by weight, aminoalcohol being 2.5 to 6.5 µmol/m 2 of specific surface area of titanium dioxide and hydroxycarboxylic acid being 1 to 3 µmol/m 2 of specific surface area and the ratio of aminoalcohol/hydroxy-carboxylic acid, in mol/mol, being 2 to 3.
摘要翻译：含有二氧化钛，水，至少一种氨基醇和至少一种羟基羧酸的水分散体，二氧化钛以聚集的一次粒子的形式存在，其平均体积相关聚集体直径为70〜100nm，二氧化钛的分散体为25〜50重量％，氨基醇为二氧化钛和羟基羧酸的比表面积为2.5〜6.5μmol/ m 2，为1〜3μmol/ m 2 比表面积和氨基醇/羟基羧酸（mol / mol）的比例为2〜3。

6. 发明申请

WO2010006839A3 DISPERSION OF HYDROPHOBICIZED SILICON DIOXIDE PARTICLES AND GRANULES THEREOF 审中-公开
公开(公告)号：WO2010006839A3
公开(公告)日：2010-01-21
申请号：PCT/EP2009/056802
申请日：2009-06-03
申请人： EVONIK DEGUSSA GMBH , LORTZ, Wolfgang , PERLET, Gabriele , DIENER, Uwe , REITZ, Sascha
发明人： LORTZ, Wolfgang , PERLET, Gabriele , DIENER, Uwe , REITZ, Sascha
IPC分类号： C09C1/30 , C09D7/12
摘要： 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): H 3 C(CH 2 ) m -O-(CH 2 ) n -[O-(CH 2 ) o ] p -OH, c) at least one carboxylic ester of the general formula (B): H 2x+1 C x -O-CH 2 -(CHR)-[O-CHR] y -O-C(=O)-C z H 2z+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.

7. 发明申请

WO2010006837A3 PROCESS FOR PREPARING REDISPERSIBLE SURFACE-MODIFIED SILICON DIOXIDE PARTICLES 审中-公开
公开(公告)号：WO2010006837A3
公开(公告)日：2010-01-21
申请号：PCT/EP2009/056733
申请日：2009-06-02
申请人： EVONIK DEGUSSA GMBH , LORTZ, Wolfgang , PERLET, Gabriele , DIENER, Uwe , REITZ, Sascha
发明人： LORTZ, Wolfgang , PERLET, Gabriele , DIENER, Uwe , REITZ, Sascha
IPC分类号： C09C1/30 , G03G9/097 , C08K3/36 , C09J11/02 , C09D7/12
摘要： 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.

8. 发明申请

WO2009121680A1 DISPERSION COMPRISING HYDROPHOBIZED SILICON DIOXIDE PARTICLES 审中-公开
标题翻译：分散含有二氧化硅的二氧化硅颗粒
公开(公告)号：WO2009121680A1
公开(公告)日：2009-10-08
申请号：PCT/EP2009/052581
申请日：2009-03-05
申请人： EVONIK DEGUSSA GMBH , LORTZ, Wolfgang , PERLET, Gabriele , DIENER, Uwe , REITZ, Sascha
发明人： LORTZ, Wolfgang , PERLET, Gabriele , DIENER, Uwe , REITZ, Sascha
IPC分类号： C09C1/30 , B01F17/14 , C09D7/12 , C09D5/02
CPC分类号： B01F17/0064 , B01F17/0007 , B82Y30/00 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/22 , C01P2006/90 , C08K3/36 , C09C1/3063 , C09C1/3072 , C09D5/027 , C09D7/43 , C09D7/62
摘要： Aqueous dispersion which comprises hydrophobized silicon dioxide particles and in each case one or more dispersing additives, a basic composition, and which is free of colour pigments, inactive fillers and binders, in which the hydrophobized silicon dioxide particles have a methanol wettability of 30 to 60 and are present in the dispersion with a proportion of 0.1 to 50% by weight, - the proportion of water is 30 to 90% by weight based on the dispersion, - the dispersing additive is at least one phosphate ester of an ethoxylated alcohol having 8 to 18 carbon atoms, the proportion of which is 3 to 25% by weight based on the proportion of the hydrophobized silicon dioxide particles, - the basic composition comprises or consists of one or more amines of the general formula RNH 2 , R 2 NH and R 3 N, where R is an alkyl group or a hydroxyl-substituted alkyl group having in each case 2 to 10 carbon atoms, and is present with a proportion of 5 to 30% by weight based on the proportion of hydrophobized silicon dioxide particles, - the dispersion further comprises one or more polyols having 2 to 15 carbon atoms, the proportion of which is 1 to 10% by weight based on the proportion of hydrophobized silicon dioxide particles, - the pH of the dispersion being 9 to 11.
摘要翻译：水分散体，其包含疏水化二氧化硅颗粒，并且在每种情况下为一种或多种分散添加剂，碱性组合物，并且不含有颜色的颜料，无活性填料和粘合剂，其中疏水化二氧化硅颗粒的甲醇润湿性为30至60 并且以分散体的比例为0.1〜50重量％存在于分散体中， - 基于分散体的水的比例为30〜90重量％， - 分散添加剂为至少一种乙氧基化醇的磷酸酯，具有8个至18个碳原子，其比例为3-25重量％，基于疏水化二氧化硅颗粒的比例， - 碱性组合物包含一种或多种通式RNH 2，R 2 NH和 R 3 N，其中R为烷基或羟基取代的烷基，每种情况为2至10个碳原子，并且以水合比例为基准存在5至30重量％的比例炉渣二氧化硅颗粒， - 分散体还包含一种或多种含有2至15个碳原子的多元醇，其比例为疏水化二氧化硅颗粒的比例为1-10重量％， - 分散体的pH为9 到11岁

9. 发明申请

WO2008071462A1 DISPERSION OF HIGH SURFACE AREA SILICA 审中-公开
标题翻译：高表面积二氧化硅的分散
公开(公告)号：WO2008071462A1
公开(公告)日：2008-06-19
申请号：PCT/EP2007/058935
申请日：2007-08-28
申请人： EVONIK DEGUSSA GMBH , LORTZ, Wolfgang , PERLET, Gabriele , WILL, Werner , SCHUMACHER, Kai
发明人： LORTZ, Wolfgang , PERLET, Gabriele , WILL, Werner , SCHUMACHER, Kai
IPC分类号： C01B33/141
CPC分类号： C09D5/34 , B82Y30/00 , C01B33/1417 , C01P2004/50 , C01P2004/64 , C01P2006/12 , C01P2006/19 , C01P2006/22 , C08K3/22 , C09D7/61 , C09D7/67 , C09K3/1003
摘要： Dispersion comprising water and mixed potassium silicon oxide powder, where - the mixed oxide powder is in the form of aggregates of primary particles, has a BET surface area of 100 to 400 m 2 /g, has an average aggregate diameter in the dispersion of less than 100 nm, and possesses a potassium fraction of 0.05% to 1.5% by weight, calculated as K 2 O and based on the mixed oxide powder, and - the dispersion has a fraction of mixed oxide powder in the dispersion of 25% to 40% by weight, the sum of water and mixed oxide powder is at least 98% by weight and the pH is 9 to 11.5.
摘要翻译：包含水和混合的氧化钾粉末的分散体，其中 - 所述混合氧化物粉末为初级颗粒的聚集体形式，其BET表面积为100-400m 2 / g，具有平均值分散体中的聚集体直径小于100nm，并且具有基于混合氧化物粉末计算的0.05重量％至1.5重量％的钾分数，并且 - 分散体具有分散体中混合氧化物粉末的一部分为25〜40重量％，水和混合氧化物粉末的总和为98重量％以上，pH为9〜11.5。

10. 发明申请

WO2005106106A1 USE OF A CATIONIC SILICON DIOXIDE DISPERSION AS A TEXTILE FINISHING AGENT 审中-公开
标题翻译：作为纺织成品代理使用阳离子二氧化硅分散体
公开(公告)号：WO2005106106A1
公开(公告)日：2005-11-10
申请号：PCT/EP2005/004540
申请日：2005-04-28
申请人： DEGUSSA AG , BATZ-SOHN, Christoph , LORTZ, Wolfgang , LACH, Heinz , PERLET, Gabriele , WILL, Werner
发明人： BATZ-SOHN, Christoph , LORTZ, Wolfgang , LACH, Heinz , PERLET, Gabriele , WILL, Werner
IPC分类号： D06M11/79
CPC分类号： D06M11/79 , D06M15/3562 , D06M15/3564 , D06M15/41 , D06M15/61
摘要： An aqueous dispersion for use as a finishing agent for textiles, wherein the dispersion contains a pyrogenically produced, aggregated silicon dioxide powder and a cationic polymer which is soluble in the dispersion, wherein the cationic polymer is present in a quantity such that the particles of the silicon dioxide powder exhibit a positive zeta potential.
摘要翻译：一种用作纺织品整理剂的水性分散体，其中分散体含有热解产生的聚集二氧化硅粉末和可溶于分散体的阳离子聚合物，其中阳离子聚合物的存在量使得二氧化硅粉末表现出正的ζ电位。

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