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1.发明申请Process for Producing Ultrafine Powders Based on Polyamides, Ultrafine Polyamide Powders and Their Use 有权基于聚酰胺，超细聚酰胺粉末生产超细粉的方法及其应用公开(公告)号：US20080249237A1
公开(公告)日：2008-10-09
申请号：US12089998
申请日：2006-10-12
CPC分类号： C08J3/12 , C08J3/128 , C08J3/14 , C08J2377/00 , C09D177/00 , Y10S524/904
摘要： Process for preparing ultrafine powders based on polyamides by contacting polyamides having a relative solution viscosity ηrel in the range from 1.5 to 2.0, measured in 0.5% m-cresol solution at 25° C., with an alcoholic medium in the presence of inorganic particles under the action of pressure and/or temperature to generate an at least partial solution, and then precipitating the polyamide from the at least partial solution, characterized in that a suspension of the inorganic particles suspended in the alcoholic medium is used. The resulting ultrafine polyamide powders have a specific BET surface area in the range of 5-100 m2/g; a fineness d50 of less than 70 μm; an apparent density AD in the range from 250 to 1000 g/l; and a particle content of 0.1 to 80% by weight of inorganic particles based on the total weight of the polyamide powder. They are equally suitable for coatings and for mouldings and components with improved mechanical properties.
摘要翻译： 通过使具有相对溶液粘度和相对粘度的聚酰胺在25℃下在0.5％间甲酚溶液中测量的1.5至2.0的范围内与醇混合来制备基于聚酰胺的超细粉末的方法 介质在无机颗粒存在下在压力和/或温度的作用下产生至少部分溶液，然后从至少部分溶液中沉淀聚酰胺，其特征在于悬浮在醇介质中的无机颗粒的悬浮液 用来。 得到的超细聚酰胺粉末的比BET比表面积为5-100m 2 / g; 细度d <50％小于70μm; 在250〜1000g / l范围内的表观密度AD; 和基于聚酰胺粉末的总重量的无机颗粒的0.1〜80重量％的颗粒含量。 它们同样适用于具有改善的机械性能的涂料和模制品和组分。
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2.发明申请PROCESS FOR PRODUCING ULTRAFINE POWDERS BASED ON POLYAMIDES, ULTRAFINE POLYAMIDE POWDERS AND THEIR USE 审中-公开基于聚氨酯，超级聚酰胺粉及其使用生产超细粉的方法公开(公告)号：US20120264877A1
公开(公告)日：2012-10-18
申请号：US13494082
申请日：2012-06-12
IPC分类号： C08L77/00 , B29C47/00 , B29C45/00 , C09D177/00 , B29C49/00
CPC分类号： C08J3/12 , C08J3/128 , C08J3/14 , C08J2377/00 , C09D177/00 , Y10S524/904
摘要： Process for preparing ultrafine powders based on polyamides by contacting polyamides having a relative solution viscosity ηrel in the range from 1.5 to 2.0, measured in 0.5% m-cresol solution at 25° C., with an alcoholic medium in the presence of inorganic particles suspended therein under the action of pressure and/or temperature to generate an at least partial solution, and then precipitating the polyamide from the at least partial solution; the resulting ultrafine polyamide powders have a specific BET surface area of 5-100 m2/g; a fineness d50 of less than 70 μm; an apparent density AD from 250 to 1000 g/l; and a particle content of 0.1 to 80% by weight of inorganic particles based on the total weight of the polyamide powder; which powders are equally suitable for coatings and for mouldings and components with improved mechanical properties.
摘要翻译： 通过使具有相对溶液粘度和相对浓度的相对比例在1.5至2.0的范围内的聚酰胺制备基于聚酰胺制备的超细粉末的方法，其在25℃的0.5％间甲酚溶液中，在无机物存在下用醇介质 在压力和/或温度的作用下悬浮在其中的颗粒以产生至少部分溶液，然后从所述至少部分溶液中沉淀聚酰胺; 所得超细聚酰胺粉末的BET比表面积为5-100m 2 / g; 细度d50小于70μm; 表观密度AD为250〜1000g / l; 和基于聚酰胺粉末的总重量的无机颗粒的0.1〜80重量％的颗粒含量; 这些粉末同样适用于涂料和具有改进的机械性能的模制品和组分。
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3.发明授权Process for producing ultrafine powders based on polyamides, ultrafine polyamide powders and their use 有权用于生产基于聚酰胺，超细聚酰胺粉末的超细粉末及其用途的方法公开(公告)号：US08232333B2
公开(公告)日：2012-07-31
申请号：US12089998
申请日：2006-10-12
CPC分类号： C08J3/12 , C08J3/128 , C08J3/14 , C08J2377/00 , C09D177/00 , Y10S524/904
摘要： Process for preparing ultrafine powders based on polyamides by contacting polyamides having a relative solution viscosity ηrel in the range from 1.5 to 2.0, measured in 0.5% m-cresol solution at 25° C., with an alcoholic medium in the presence of inorganic particles under the action of pressure and/or temperature to generate an at least partial solution, and then precipitating the polyamide from the at least partial solution, characterized in that a suspension of the inorganic particles suspended in the alcoholic medium is used. The resulting ultrafine polyamide powders have a specific BET surface area in the range of 5-100 m2/g; a fineness d50 of less than 70 μm; an apparent density AD in the range from 250 to 1000 g/l; and a particle content of 0.1 to 80% by weight of inorganic particles based on the total weight of the polyamide powder. They are equally suitable for coatings and for moldings and components with improved mechanical properties.
摘要翻译： 通过使具有相对溶液粘度和相对浓度的相对比例在1.5至2.0的范围内的聚酰胺制备基于聚酰胺制备的超细粉末的方法，其在25℃的0.5％间甲酚溶液中，在无机物存在下用醇介质 颗粒在压力和/或温度的作用下产生至少部分溶液，然后从至少部分溶液沉淀聚酰胺，其特征在于使用悬浮在醇介质中的无机颗粒的悬浮液。 所得的超细聚酰胺粉末的比BET比表面积在5-100m 2 / g的范围内; 细度d50小于70μm; 在250〜1000g / l范围内的表观密度AD; 和基于聚酰胺粉末的总重量的无机颗粒的0.1〜80重量％的颗粒含量。 它们同样适用于具有改善的机械性能的涂料和模制品和组分。
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4.发明申请公开(公告)号：US20100117021A1
公开(公告)日：2010-05-13
申请号：US11578291
申请日：2005-04-28
IPC分类号： D06M13/224
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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公开(公告)号：US07538142B2
公开(公告)日：2009-05-26
申请号：US10584464
申请日：2004-12-01
CPC分类号： B01F13/1041 , B01F3/12 , B01F5/0256 , B01F5/102 , B01F2013/1083 , B01F2015/061 , B01F2215/0431 , B01F2215/0468 , B02C19/065
摘要： A method and device for producing a finely divided dispersion of solids having a mean particle size of 10 nm to 10 µm, in which at least two flows of a predispersion are sprayed by means of pumps, preferably high-pressure pumps, through one nozzle each into a grinding chamber enclosed by a reactor housing onto a collision point, wherein the grinding chamber is flooded with the predispersion and the finally divided dispersion is removed from the grinding chamber by the overpressure of the predispersion continuing to flow into the grinding chamber.
摘要翻译： 一种用于生产平均粒径为10nm至10μm的细分散固体分散体的方法和装置，其中通过泵，优选高压泵将至少两个预分散液流喷射至每个 进入由反应器壳体围绕在碰撞点上的研磨室中，其中研磨室充满预分散体，并且最终分散的分散体通过预分散体的超压继续流入研磨室而从研磨室移除。
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公开(公告)号：US06676719B2
公开(公告)日：2004-01-13
申请号：US10023903
申请日：2001-12-21
IPC分类号： C09C300
CPC分类号： B82Y30/00 , C01B33/1417 , C01B33/183 , C01P2002/50 , C01P2004/03 , C01P2004/32 , C01P2004/52 , C01P2004/64 , C01P2006/12 , C01P2006/22 , C01P2006/80 , C09G1/02 , C09K3/1463
摘要： A pyrogenic process is used to prepare alkali-doped silica particles. Particles produced by this process exhibit homogeneous doping, reduced agglomeration, greater stability and higher removal rates. Aqueous dispersions containing alkali-doped pyrogenic silica with average particle size less than 100 nm are used for polishing surfaces (CMP).
摘要翻译： 使用致热过程制备碱掺杂二氧化硅颗粒。 通过该方法制备的颗粒显示出均匀的掺杂，减少的聚集，更大的稳定性和更高的去除速率。 含有平均粒度小于100nm的碱掺杂热解二氧化硅的水性分散体用于抛光表面（CMP）。
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7.发明授权Aqueous dispersion containing pyrogenically prepared metal oxide particles and dispersants 失效含有热解法制备的金属氧化物颗粒和分散剂的水分散体公开(公告)号：US07470423B2
公开(公告)日：2008-12-30
申请号：US10512684
申请日：2003-05-14
申请人： Wolfgang Lortz , Christoph Batz-Sohn , Steffen Hasenzahl , Gabriele Perlet , Werner Will , Ralf Mathiak , Klaus Jenni
发明人： Wolfgang Lortz , Christoph Batz-Sohn , Steffen Hasenzahl , Gabriele Perlet , Werner Will , Ralf Mathiak , Klaus Jenni
CPC分类号： B82Y30/00 , A61K8/044 , A61K8/29 , A61K8/556 , A61K8/8164 , A61K2800/413 , A61Q17/04 , B82Y5/00 , C01P2004/62 , C01P2004/64 , C09C3/006 , C09C3/08 , C09C3/10
摘要： An aqueous dispersion containing pyrogenically prepared oxide particles of titanium, zinc, iron or cerium with an average particle size, expressed as the median, in the dispersion of less than 250 nm, that the particle sizes of the oxide particles in the dispersion are not distributed symmetrically and the dispersion contains, as a dispersant, at least one compound of the formula (I) and/or a maleic anhydride/acrylate copolymer of the general formula (IIa) and/or a maleate/acrylate copolymer of the general formula (IIb). It is prepared by dispersing a predispersion stream by means of a high energy mill. It can be used in sunscreen formulations.
摘要翻译： 含有热解法制备的钛，锌，铁或铈的平均粒度的氧化物颗粒的水分散体，分散体中小于250nm的中值，表示分散体中的氧化物颗粒的粒度不分布 分散体含有至少一种式（I）化合物和/或通式（IIa）的马来酸酐/丙烯酸酯共聚物和/或通式（IIb）的马来酸酯/丙烯酸酯共聚物 ）。 它是通过用高能磨机分散预分散液来制备的。 它可用于防晒配方。
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公开(公告)号：US07374787B2
公开(公告)日：2008-05-20
申请号：US10644755
申请日：2003-08-21
申请人： Wolfgang Lortz , Christoph Batz-Sohn , Gabriele Perlet , Werner Will , Gerrit Schneider , Peter Neugebauer
发明人： Wolfgang Lortz , Christoph Batz-Sohn , Gabriele Perlet , Werner Will , Gerrit Schneider , Peter Neugebauer
CPC分类号： C09D11/38 , B41M5/5218 , C01P2006/12 , C09C1/3045 , C09C1/3054 , C09D7/45 , C09G1/02 , C09K3/1409 , C09K3/1463 , D21H19/40
摘要： An aqueous dispersion, having a silicon dioxide powder having a silicon dioxide content of 10 to 60 wt.%, wherein the aqueous dispersion is stable in the pH range of 2 to 6, the aqueous dispersion additionally contains at least one compound, which is at least partially soluble in aqueous solution in the pH range 2 to 6 in the form of polyvalent cations, these being stable in a silicate-like environment as an anionic component of the particle surface of the silicon dioxide powder, the quantity of cation-providing compound in relation to the surface of the silicon dioxide is 0.001 to 0.1 mg cation-providing compound/m2 silicon dioxide surface, the cation-providing compound being calculated as the oxide, and the zeta potential of the aqueous dispersion has values of less than or equal to zero.
摘要翻译： 一种水分散体，其二氧化硅粉末的二氧化硅含量为10至60重量％，其中水分散体在pH范围为2至6时是稳定的，水分散体还含有至少一种化合物，其在 在多价阳离子形式的pH范围2〜6的水溶液中最少部分溶解，这些在作为二氧化硅粉末的粒子表面的阴离子成分的硅酸盐样环境中稳定，提供阳离子的化合物的量 相对于二氧化硅的表面为0.001〜0.1mg的提供阳离子的化合物/ m 2二氧化硅表面，阳离子提供化合物以氧化物计算，并且水溶液的ζ电位 色散的值小于或等于零。
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9.发明授权公开(公告)号：US08529651B2
公开(公告)日：2013-09-10
申请号：US12894539
申请日：2010-09-30
CPC分类号： C09G1/02 , C01B13/145 , C01B33/1417 , C01F7/026 , C01P2002/50 , C01P2006/12 , C01P2006/22 , C03C1/006 , C09K3/1463
摘要： Process for the production of an aqueous dispersion of pyrogenically produced metal oxide and metalloid oxide powders with a BET surface area of between 5 and 600 m2/g, with a metal oxide or metalloid oxide content in the dispersion of between 5 and 25 wt. %, comprising the following steps: water, which is optionally adjusted to pH values of between 2 and 4 by adding acids, is circulated from a receiving vessel via a rotor/stator machine, and metal oxide or metalloid oxide powder is introduced, using a feed device, into the shear zone between the slots in the rotor teeth and the stator slots, continuously or discontinuously and with the rotor/stator machine running, in a quantity such that a predispersion with a solids content of between 20 and 40 wt. % results, and, after all the metal oxide powder or metalloid oxide powder has been added, the feed device closes and shearing continues in such a way that the shear rate is in the range of between 10000 and 40000 s−1, and then, by dilution, the predispersion is adjusted to the desired solids content of the dispersion while maintaining the dispersing conditions.
摘要翻译： 制备热解法生产的金属氧化物和类金属氧化物粉末的水性分散体的方法，其BET表面积为5至600m 2 / g，分散体中的金属氧化物或准金属氧化物含量为5至25重量％。 ％，包括以下步骤：通过添加酸任选地将pH调节至2至4的水通过转子/定子机从接收容器循环，并引入金属氧化物或准金属氧化物粉末，使用 进料装置连续或不连续地进入转子齿中的狭槽和定子槽之间的剪切区域中，并且转子/定子机器运行，其量使得固体含量为20至40重量％的预分散体。 ％的结果，并且在添加了所有的金属氧化物粉末或准金属氧化物粉末之后，进料装置关闭并且剪切继续进行，使得剪切速率在10000和40000s -1之间，然后， 通过稀释，将预分散体调节至分散体的所需固体含量，同时保持分散条件。
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公开(公告)号：US08303702B2
公开(公告)日：2012-11-06
申请号：US12446588
申请日：2007-09-19
CPC分类号： C04B35/6263 , B82Y30/00 , C04B35/0435 , C04B35/101 , C04B35/62665 , C04B35/6303 , C04B35/66 , C04B2235/3206 , C04B2235/3217 , C04B2235/3232 , C04B2235/3244 , C04B2235/5409 , C04B2235/5445 , C04B2235/5454 , C04B2235/5472 , C04B2235/96
摘要： Preparation for producing refractory materials, characterized in that it comprises one or more particulate, refractory components and one or more binders, where—the particulate, refractory component has a mean particle diameter of >0.3 m and—the binder is selected from among—from 0.05 to 50% by weight of a very finely particulate binder having a mean particle diameter of from 10 nm to 0.3 m selected from the group consisting of aluminum oxide, titanium dioxide, zirconium dioxide and/or mixed oxides of the abovementioned oxides, —from 0 to 20% by weight of an inorganic binder, from 0 to 20% by weight of a hydraulically setting binder, —from 0 to 15% by weight of an organic, silicon-free binder—and the preparation additionally contains from 0 to 35% by weight of water, where—the proportion of the particulate, refractory component is equal to 100 and the percentages of the further materials in the preparation are based on the particulate component.
摘要翻译： 制备耐火材料的方法，其特征在于其包含一种或多种颗粒状耐火组分和一种或多种粘合剂，其中颗粒状难熔组分的平均粒径>0.3μm，粘合剂选自 0.05至50重量％的选自氧化铝，二氧化钛，二氧化锆和/或上述氧化物的混合氧化物的平均粒径为10nm至0.3μm的极细颗粒粘合剂， 0至20重量％的无机粘合剂，0至20重量％的水硬固化粘合剂，0至15重量％的有机无硅粘合剂，并且该制剂还含有0至35 重量百分比的水，其中 - 颗粒，难熔组分的比例等于100，并且制剂中其它材料的百分比是基于颗粒组分。
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