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

Applicant: EVONIK DEGUSSA GMBH ,  LORTZ WOLFGANG ,  PERLET GABRIELE ,  DIENER UWE ,  REITZ SASCHA

Inventor： LORTZ WOLFGANG ,  PERLET GABRIELE ,  DIENER UWE ,  REITZ SASCHA

IPC: C09C1/30 ,  C09D7/12

CPC classification number: C09C1/3018 ,  B82Y30/00 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/22 ,  C08K3/36 ,  C08K9/06 ,  C09C1/3063 ,  C09C1/3081 ,  C09C1/309 ,  C09D7/62 ,  C09D7/67 ,  Y10T428/2995

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。

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

Applicant: EVONIK DEGUSSA GMBH ,  LORTZ WOLFGANG ,  PERLET GABRIELE ,  DIENER UWE ,  REITZ SASCHA

Inventor： LORTZ WOLFGANG ,  PERLET GABRIELE ,  DIENER UWE ,  REITZ SASCHA

IPC: C09C1/30 ,  C08K3/36 ,  C09D7/12 ,  C09J11/02 ,  G03G9/097

CPC classification number: C09C1/3018 ,  B82Y30/00 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/22 ,  C08K3/36 ,  C08K9/06 ,  C09C1/3081 ,  C09C1/309 ,  C09D7/62 ,  C09D7/67 ,  G03G9/09716 ,  G03G9/09725 ,  Y10T428/2995

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。

公开(公告)号：WO2009050013A2

公开(公告)日：2009-04-23

申请号：PCT/EP2008062833

申请日：2008-09-25

Applicant: EVONIK DEGUSSA GMBH ,  LORTZ WOLFGANG ,  SCHUMACHER KAI ,  PIETSCH JOERG

Inventor： LORTZ WOLFGANG ,  SCHUMACHER KAI ,  PIETSCH JOERG

IPC: C01B33/141

CPC classification number: C01B33/141 ,  B82Y30/00 ,  C01B33/1415 ,  C01B33/1417 ,  C01B37/005 ,  C01G23/04 ,  C01G23/047 ,  C01P2002/52 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/19 ,  C01P2006/22 ,  C01P2006/80

Abstract: Process for preparing an aqueous dispersion which has a pH of 9 to 14 and comprises particles of a pyrogenic titanium- silicon mixed oxide powder having a proportion of silicon dioxide of 75 to 99.99% by weight and of titanium dioxide of 0.01 to 25% by weight, whose mean aggregate diameter in the dispersion is not more than 200 nm, and at least one basic, quaternary ammonium compound.

Abstract translation: 制备pH为9〜14的水性分散体的方法，其包含二氧化硅比例为75〜99.99重量％，二氧化钛为0.01〜25重量％的热解钛硅混合氧化物粉末的粒子 ，其分散体中的平均聚集体直径不大于200nm，和至少一种碱性季铵化合物。

公开(公告)号：WO2007088110A3

公开(公告)日：2007-09-20

申请号：PCT/EP2007050543

申请日：2007-01-19

Applicant: DEGUSSA ,  CONSTR RES & TECH GMBH ,  TONTRUP CHRISTOPH ,  LORTZ WOLFGANG ,  DELLER KLAUS ,  HUEBSCH CHRISTIAN ,  WIELAND PHILIPP ,  GRASSL HARALD ,  SCHEUL STEFANIE ,  JETZLSPERGER EVA ,  BECHER KERSTIN

Inventor： TONTRUP CHRISTOPH ,  LORTZ WOLFGANG ,  DELLER KLAUS ,  HUEBSCH CHRISTIAN ,  WIELAND PHILIPP ,  GRASSL HARALD ,  SCHEUL STEFANIE ,  JETZLSPERGER EVA ,  BECHER KERSTIN

IPC: C04B14/30 ,  C04B28/02 ,  C04B40/00

CPC classification number: C04B14/305 ,  C04B28/02 ,  C04B40/0039 ,  C04B20/008 ,  C04B24/267 ,  C04B24/2694

Abstract: A dispersion which is free of binders and which contains titanium dioxide and at least one water-soluble poly- carboxylate ether, where - the titanium dioxide has a BET surface area of 20 to 400 m 2 /g, the water-soluble polycarboxylate ether is a copolymer based on at least one oxyalkylene glycol compound and at least one unsaturated monocarboxylic acid derivative or dicarboxylic acid derivative, the dispersion has a content of titanium dioxide of 5 to 50% by weight, based on the total amount of the dispersion.

Abstract translation: 不含粘合剂并且含有二氧化钛和至少一种水溶性聚羧酸酯醚的分散体，其中二氧化钛的BET表面积为20-400m 2 / g， 水溶性聚羧酸酯醚是基于至少一种氧化亚烷基二醇化合物和至少一种不饱和一元羧酸衍生物或二羧酸衍生物的共聚物，该分散体的二氧化钛含量为5〜50重量％ 分散量。

公开(公告)号：WO2006010438A3

公开(公告)日：2006-10-12

申请号：PCT/EP2005007210

申请日：2005-07-05

Applicant: DEGUSSA ,  PERLET GABRIELE ,  LORTZ WOLFGANG ,  BATZ-SOHN CHRISTOPH ,  WILL WERNER ,  REITZ SASCHA

Inventor： PERLET GABRIELE ,  LORTZ WOLFGANG ,  BATZ-SOHN CHRISTOPH ,  WILL WERNER ,  REITZ SASCHA

IPC: C09C1/36 ,  C04B41/50 ,  C09D17/00

CPC classification number: 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

Abstract: 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.

Abstract translation: 通过将具有20至150m 2 / g的比表面积的聚集的二氧化钛粉末放置在水中而获得的水溶液，其量使得所需的分散体包含至少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，和至少一种含有二元羧酸和/或具有2至6个碳原子的羟基羧酸的羧酸， - 氨基醇存在于分散体 其量为2.5至7.0μmol/ m 2比表面积TiO 2，羧酸的存在量为1.0-3.5μmol/ m 2 比表面积TiO 2 2，通过引入少于200kJ / m 3的量的能量产生预分散，然后 产生其中聚集的二氧化钛粉末通过研磨预分散剂具有小于150nm的平均体积相关聚集体直径的分散体 通过在至少500巴的压力下的高能磨机。 分散体可用于玻璃，陶瓷和金属表面的涂层。

公开(公告)号：ES2713853T3

公开(公告)日：2019-05-24

申请号：ES05756570

申请日：2005-07-05

Applicant: EVONIK DEGUSSA GMBH

Inventor： PERLET GABRIELE ,  LORTZ WOLFGANG ,  BATZ-SOHN CHRISTOPH ,  WILL WERNER ,  REITZ SASCHA

IPC: C09C1/36 ,  B82Y30/00 ,  C03C17/25 ,  C04B41/00 ,  C04B41/50 ,  C04B41/87 ,  C09D17/00

Abstract: Dispersión acuosa obtenible - al disponer en agua un polvo de dióxido de titanio agregado que tiene un área superficial específica de 20 a 150 m2/g en una cantidad tal que la dispersión deseada comprenda al menos 20% en peso de dióxido de titanio, y al menos un amino alcohol que tenga de 1 a 6 átomos de carbono y al menos un ácido carboxílico del grupo que comprende ácidos carboxílicos dibásicos y/o ácidos hidroxicarboxílicos que tienen de 2 a 6 átomos de carbono, - estando presente el aminoalcohol en la dispersión en una cantidad de 2,5 a 7,0 μmol/m2 de área de superficie específica de TiO2 y estando presente el ácido carboxílico en una cantidad de 1,0 a 3,5 μmol/m2 de área de superficie específica de TiO2, - produciendo una pre-dispersión mediante la introducción de energía en una cantidad inferior a 200 kJ/m3 y luego produciendo una dispersión en la que el polvo de dióxido de titanio agregado tiene un diámetro de agregado medio relacionado con el volumen de menos de 150 nm moliendo la pre-dispersión por medio de un molino de alta energía a una presión de al menos 500 bares.

公开(公告)号：CA2768328C

公开(公告)日：2013-10-08

申请号：CA2768328

申请日：2010-03-16

Applicant: EVONIK DEGUSSA GMBH

Inventor： PEGGAU JOERG ,  JAKOB HARALD ,  LORTZ WOLFGANG

IPC: C09D1/02 ,  C09C1/30 ,  C09D5/16 ,  C09D7/12

Abstract: A dispersion, comprising 0.1 to 25% by weight hydrophobized silica, 8 to 90 wt % of at least one alcohol selected from the group consisting of ethanol, 1-propanol and 2-propanol, 7 to 89 wt % of water, 0 to 30% by weight solvent immiscible with water, and 0.04 to 5 wt % of at least one carboxyvinyl polymer present in neutralised form, can be applied to a surface using a non-drip application method and, by modifying the surface with hydrophobized silica, imparts water-repelling and self-cleaning properties to the surface.

公开(公告)号：AT556121T

公开(公告)日：2012-05-15

申请号：AT08103321

申请日：2008-04-02

Applicant: EVONIK DEGUSSA GMBH

Inventor： LORTZ WOLFGANG ,  PERLET GABRIELE ,  DIENER UWE ,  REITZ SASCHA

IPC: C09C1/30 ,  C09D5/02 ,  C09D7/12 ,  C09K23/14

Abstract: An aqueous dispersion comprises hydrophobized silicon dioxide particles and in each case dispersing additives, basic composition, and is free of color pigments, inactive fillers, and binders. The hydrophobized silicon dioxide particles (0.1-50 wt.%) have methanol wettability of 30-60. Water is 30-90 wt.%, and the dispersing additive is phosphate ester (3-25 wt.%) of an ethoxylated alcohol having 8-18C. The basic composition comprises amines (5-30 wt.%). The dispersion further comprises 2-15C polyols (1-10 wt.%). Aqueous dispersion comprises hydrophobized silicon dioxide particles and in each case dispersing additives, basic composition, and is free of color pigments, inactive fillers, and binders. The hydrophobized silicon dioxide particles (0.1-50 wt.%) have methanol wettability of 30-60. Water is 30-90 wt.%, and the dispersing additive is phosphate ester (3-25 wt.%) of an ethoxylated alcohol having 8-18C. The basic composition comprises amines (5-30 wt.%) of formula RNH 2, R 2NH, and R 3N. The dispersion further comprises 2-15C polyols (1-10 wt.%). The phosphate ester, basic composition, and polyol are soluble in the aqueous phase of the dispersion and a pH of the dispersion is 9-11. R : 2-10C alkyl or 2+10C hydroxyl-substituted alkyl.

公开(公告)号：DE602006021423D1

公开(公告)日：2011-06-01

申请号：DE602006021423

申请日：2006-06-09

Applicant: EVONIK DEGUSSA GMBH

Inventor： LORTZ WOLFGANG ,  BATZ-SOHN CHRISTOPH ,  PERLET GABRIELE ,  LACH HEINZ ,  WILL WERNER

IPC: C01F7/02 ,  C09K23/00

公开(公告)号：ES2355967T3

公开(公告)日：2011-04-01

申请号：ES08103331

申请日：2008-04-02

Applicant: EVONIK DEGUSSA GMBH

Inventor： LORTZ WOLFGANG ,  FILZ KARLHEINZ ,  WILL WERNER ,  DIENER UWE

IPC: B01J19/00 ,  B01F25/70 ,  C09K23/00 ,  B01J19/02 ,  B01J19/26

Abstract: Reactor para llevar a cabo conversiones químicas y físicas de materiales, que comprende un recinto de reacción rodeado por una carcasa del reactor, en el que la carcasa del reactor presenta al menos dos entradas para fluido laterales con toberas apoyadas de forma ajustable, que abarcan un ángulo de 20-160 grados, y a través de las cuales se conducen chorros de fluidos que inciden uno sobre otro en un punto de colisión común dentro del recinto de reacción, y una salida para el fluido en el fondo del recinto de reacción, en el que - sobre el fondo del recinto de reacción se apoya una placa de suelo, - que presenta un taladro como salida para el fluido y - sobre la cual se encuentran esferas apoyadas de forma móvil, las cuales bloquean el paso original de los chorros de fluido de los chorros individuales en estado desajustado y - en cada caso entre una esfera apoyada de forma móvil y la pared del recinto de reacción se encuentra una media cáscara dispuesta verticalmente sobre el fondo del recinto de reacción y - la placa de fondo, la media cáscara y esferas apoyadas de forma móvil se componen de uno o más materiales duros.