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1.发明授权Controlled pore size distribution porous ceramic honeycomb filter, honeycomb green body, batch mixture and manufacturing method therefor 有权可控孔径分布多孔陶瓷蜂窝过滤器，蜂窝生坯，分批混合物及其制造方法公开(公告)号：US07744670B2
公开(公告)日：2010-06-29
申请号：US11606797
申请日：2006-11-30
CPC分类号： C04B38/0006 , B01D39/2068 , B01D2239/10 , C04B35/195 , C04B35/478 , C04B38/0012 , C04B2111/00129 , C04B2111/00793 , C04B2111/0081 , C04B2111/2084 , C04B2111/343 , C04B38/0054 , C04B38/0074 , C04B38/0645
摘要： A porous ceramic honeycomb filter manufactured from an oxide-based ceramic material having a pore size distribution with d1≧7.0 microns. Preferably, the oxide-based material is cordierite or aluminum titanate. Alternatively, the filter contains a cordierite-containing ceramic body with a narrow pore size distribution with db≦1.00, wherein db=(d90−d10)/d50. Also disclosed is a batch mixture, method and honeycomb green body made from mixture of inorganic source materials selected from the group of magnesia sources, alumina sources, and silica sources, and a pore former having a narrow particle size distribution with dps≦0.90, wherein dps={(dp90−dp10)/dp50}. The pore former is preferably selected from a group consisting of canna starch, sago palm starch, green mung bean starch, and single-mode potato starch.
摘要翻译： 一种由具有d1≥7.0微米的孔径分布的氧化物基陶瓷材料制成的多孔陶瓷蜂窝过滤器。 优选地，氧化物基材料是堇青石或钛酸铝。 或者，过滤器包含具有窄的孔径分布的含堇青石的陶瓷体，其中db =（d90-d10）/ d50。 还公开了一种由选自氧化镁源，氧化铝源和二氧化硅源的无机源材料的混合物和具有dps＆amp; NlE; 0.90的窄粒度分布的成孔剂制成的批量混合物，方法和蜂窝生坯，其中 dps = {（dp90-dp10）/ dp50}。 成孔剂优选选自坎那淀粉，西米棕榈淀粉，绿绿色淀粉和单模马铃薯淀粉。
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公开(公告)号：US09856177B2
公开(公告)日：2018-01-02
申请号：US12789833
申请日：2010-05-28
申请人： Weiguo Miao , Jianguo Wang
发明人： Weiguo Miao , Jianguo Wang
IPC分类号： C04B35/195 , C04B38/00 , B01J35/04 , B01D46/24 , C04B111/00 , F01N3/022
CPC分类号： C04B38/0006 , B01D46/2425 , B01D46/2444 , B01D2046/2433 , B01D2046/2437 , B01D2046/2496 , B01J35/04 , C04B35/195 , C04B2111/00793 , C04B2111/0081 , F01N3/0222 , F01N2260/10 , Y10T428/24149 , C04B38/0074
摘要： Porous ceramic honeycomb articles for use as particulate filters and processes for making the same are described herein. The porous ceramic honeycomb articles include a fired cordierite body. The fired cordierite body has a microcrack parameter (Nb3) of about 0.05 to about 0.25 prior to exposure to a microcracking condition. After exposure to the microcracking condition, the fired cordierite body has a microcrack parameter (Nb3) at least 20% greater than the microcrack parameter prior to exposure to the microcracking condition. The fired cordierite body has a coefficient of thermal expansion (CTE) of about 7.0×10−7/° C. to about 15.0×10−7/° C. over from about 25° C. to about 800° C. prior to exposure to the microcracking condition and a coefficient of thermal expansion of about 1.0×10−7/° C. to about 10.0×10−7/° C. over from about 25° C. to about 800° C. after exposure to the microcracking condition. The microcrack parameter may include a thermal cycle or a chemical treatment.
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公开(公告)号：US08609032B2
公开(公告)日：2013-12-17
申请号：US12955268
申请日：2010-11-29
申请人： Thorsten Rolf Boger , Weiguo Miao , Zhen Song , Jianguo Wang
发明人： Thorsten Rolf Boger , Weiguo Miao , Zhen Song , Jianguo Wang
IPC分类号： B01D50/00
CPC分类号： B28B11/00 , B01D46/2425 , B01D46/2429 , B01D46/247 , B01D53/944 , B01D53/945 , B01D2046/2433 , B01D2046/2437 , B01D2255/20738 , B01D2255/504 , B01D2255/9205 , B01D2258/012 , B01D2279/30 , B01J29/46 , B01J35/04 , B01J37/0215 , B01J37/0246 , C04B35/195 , C04B38/0009 , C04B2111/00793 , C04B2111/0081 , C04B2235/3217 , C04B2235/3418 , C04B2235/3445 , Y02A50/2324 , Y02T10/22 , C04B38/0054 , C04B38/0074
摘要： A porous ceramic honeycomb article comprising a honeycomb body formed from cordierite ceramic, wherein the honeycomb body has a porosity P %≧55% and a cell channel density CD ≧150 cpsi. The porous channel walls have a wall thickness T, wherein (11+(300−CD)*0.03)≧T≧(8+(300−CD)*0.02), a median pore size ≦20 microns, and a pore size distribution with a d-factor of ≦0.35. The honeycomb body has a specific pore volume of VP≦0.22. The porous ceramic honeycomb article exhibits a coated pressure drop increase of ≦8 kPa at a flow rate of 26.5 cubic feet per minute when coated with 100 g/L of a washcoat catalyst and loaded with 5 g/L of soot.
摘要翻译： 一种多孔陶瓷蜂窝体制品，包括由堇青石陶瓷形成的蜂窝体，其中所述蜂窝体的孔隙率P％> 55％，泡孔通道密度CD> = 150cpsi。 多孔通道壁具有壁厚T，其中（11+（300-CD）* 0.03）> = T> =（8+（300-CD）* 0.02），20微米的中值孔径和 尺寸分布，d因子为@ 0.35。 蜂窝体的孔隙体积为VP@0.22。 当涂覆有100g / L的修补基面涂层催化剂并加载5g / L的烟炱时，多孔陶瓷蜂窝体制品以26.5立方英尺/分钟的流速显示出@ 8kPa的涂层压降增加。
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公开(公告)号：US20110293883A1
公开(公告)日：2011-12-01
申请号：US12789833
申请日：2010-05-28
申请人： Weiguo Miao , Jianguo Wang
发明人： Weiguo Miao , Jianguo Wang
IPC分类号： C04B35/195 , B32B3/12
CPC分类号： C04B38/0006 , B01D46/2425 , B01D46/2444 , B01D2046/2433 , B01D2046/2437 , B01D2046/2496 , B01J35/04 , C04B35/195 , C04B2111/00793 , C04B2111/0081 , F01N3/0222 , F01N2260/10 , Y10T428/24149 , C04B38/0074
摘要： Porous ceramic honeycomb articles for use as particulate filters and processes for making the same are described herein. The porous ceramic honeycomb articles include a fired cordierite body. The fired cordierite body has a microcrack parameter (Nb3) of about 0.05 to about 0.25 prior to exposure to a microcracking condition. After exposure to the microcracking condition, the fired cordierite body has a microcrack parameter (Nb3) at least 20% greater than the microcrack parameter prior to exposure to the microcracking condition. The fired cordierite body has a coefficient of thermal expansion (CTE) of about 7.0×10−7/° C. to about 15.0×10−7/° C. over from about 25° C. to about 800° C. prior to exposure to the microcracking condition and a coefficient of thermal expansion of about 1.0×10−7/° C. to about 10.0×10−7/° C. over from about 25° C. to about 800° C. after exposure to the microcracking condition. The microcrack parameter may include a thermal cycle or a chemical treatment.
摘要翻译： 用作微粒过滤器的多孔陶瓷蜂窝体制品及其制造方法在此描述。 多孔陶瓷蜂窝体制品包括烧制的堇青石体。 烧制的堇青石体在暴露于微裂纹状态之前具有约0.05至约0.25的微裂纹参数（Nb 3）。 在暴露于微裂纹状态之后，烧结的堇青石体在暴露于微裂纹状态之前具有比微裂纹参数大至少20％的微裂纹参数（Nb 3）。 煅烧的堇青石体在约25℃至约800℃之前的热膨胀系数（CTE）为约7.0×10 -7 /℃至约15.0×10 -7 /℃， 暴露于微裂纹条件和热膨胀系数约为1.0×10-7 /℃至约10.0×10-7 /℃，超过约25℃至约800℃。 微裂纹状况。 微裂纹参数可以包括热循环或化学处理。
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公开(公告)号：US07575618B2
公开(公告)日：2009-08-18
申请号：US11394594
申请日：2006-03-30
申请人： Weiguo Miao , Jianguo Wang
发明人： Weiguo Miao , Jianguo Wang
CPC分类号： C04B35/195 , B01D46/2429 , B01D2046/2433 , B01D2046/2437 , C04B28/005 , C04B38/0006 , C04B2111/00793 , C04B2111/0081 , C04B2111/32 , C04B2235/3218 , C04B2235/3445 , C04B2235/349 , Y10S55/05 , Y10S55/10 , Y10S55/30 , Y10S264/48 , Y10T428/24165 , C04B14/042 , C04B14/10 , C04B24/10 , C04B24/28 , C04B24/383 , C04B38/0074
摘要： Porous ceramic articles such as ceramic filters are provided from ceramic extrusion batches comprising mixtures of oxides and oxide precursors with a reactive binder system, the binder system comprising a cellulosic temporary binder and two or more reactive binder components such as colloidal alumina, carbohydrate pore formers, reactive high charge density polymers, and chemical cross-linkers, the reactive binder system promoting cross-linking or networking reactions in the batch that enhance the fine pore structures of the porous ceramic products.
摘要翻译： 诸如陶瓷过滤器的多孔陶瓷制品由包括氧化物和氧化物前体与反应性粘合剂体系的混合物的陶瓷挤出批料提供，粘合剂体系包含纤维素临时粘合剂和两种或更多种反应性粘合剂组分，例如胶体氧化铝，碳水化合物成孔剂， 反应性高电荷密度聚合物和化学交联剂，反应性粘合剂体系促进了批料中的交联或组合反应，以增强多孔陶瓷产品的细孔结构。
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6.发明授权公开(公告)号：US07485170B2
公开(公告)日：2009-02-03
申请号：US11291831
申请日：2005-11-30
CPC分类号： C04B38/0615 , C04B38/0074 , Y10S55/05 , Y10S55/10 , Y10S55/30 , Y10S264/48 , Y10T428/24149 , C04B35/195 , C04B38/0006 , C04B38/0054 , C04B14/06 , C04B14/303 , C04B14/304 , C04B24/24 , C04B24/38 , C04B40/0268
摘要： Disclosed are ceramic honeycomb articles, which are composed predominately of a crystalline phase cordierite composition. The ceramic honeycomb articles possess a microstructure characterized by a unique combination of relatively high porosity between 42% and 56%, and relatively narrow pore size distribution wherein less than 15% of the total porosity has a pore diameter less than 10 μm, less than 20% of the total porosity has a pore diameter greater than 30 μm, and dbreadth≦1.50 wherein dbreadth=(d90−d10)/d50. The articles exhibits high thermal durability and high filtration efficiency coupled with low pressure drop across the filter. Such ceramic articles are particularly well suited for filtration applications, such as diesel exhaust filters or DPFs. Also disclosed is a method for manufacturing the ceramic article wherein the pore former is preferably potato starch having a median particle diameter greater than 40 μm.
摘要翻译： 公开了主要由结晶相堇青石组合物组成的陶瓷蜂窝体制品。 陶瓷蜂窝体制品具有微结构，其特征在于具有42％和56％之间的较高孔隙率和相对窄的孔径分布的独特组合，其中小于15％的总孔隙度具有小于10um的孔径，小于20μm 总孔隙率的％具有大于30μm的孔径，并且dbreadth <= 1.50，其中dbreadth =（d90-d10）/ d50。 该制品表现出高热耐久性和高过滤效率以及过滤器两端的低压降。 这种陶瓷制品特别适用于过滤应用，例如柴油机排气过滤器或DPF。 还公开了一种陶瓷制品的制造方法，其中成孔剂优选中值粒径大于40μm的马铃薯淀粉。
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公开(公告)号：US20070261378A1
公开(公告)日：2007-11-15
申请号：US11432038
申请日：2006-05-10
申请人： Weiguo Miao , Steven Ogunwumi , Paul Shustack , Jianguo Wang
发明人： Weiguo Miao , Steven Ogunwumi , Paul Shustack , Jianguo Wang
IPC分类号： B01D39/20
CPC分类号： C04B38/0006 , B01D39/2093 , B01D46/2425 , B01D46/2429 , B01D46/2444 , B01D2046/2433 , B01D2046/2437 , B01D2046/2496 , B01D2275/30 , B01D2279/30 , C04B35/10 , C04B2111/00129 , C04B2111/00793 , C04B2111/0081 , C04B2111/2084 , C04B2111/32 , C04B2111/343 , Y10S55/05 , Y10S55/10 , Y10S55/30 , Y10S264/48 , Y10T428/24149 , C04B35/195 , C04B38/0054 , C04B38/0074 , C04B38/0645
摘要： Disclosed are ceramic articles, which in one aspect are composed predominately of a cordierite having a composition close to that of Mg2Al4Si5O18. The ceramic articles possess a microstructure characterized by a unique combination of relatively high porosity and relatively narrow pore size distribution, both as measured by mercury porosimetry, that render the ceramic structure useful for ceramic filter applications requiring high thermal durability and high filtration efficiency coupled with low pressure drop along the length of the filter. Such ceramic bodies are particularly well suited for filtration applications, such as diesel exhaust filters or DPFs. Also disclosed are methods for the manufacture of the ceramic articles described herein.
摘要翻译： 公开了一种陶瓷制品，其一方面主要由堇青石组成，其组成接近于Mg 2 O 4 Si 5 O 5的组成 18 。 陶瓷制品具有微结构，其特征在于通过水银孔率测定法测量的相对高的孔隙率和相对窄的孔径分布的独特组合，使得陶瓷结构可用于需要高热耐久性和高过滤效率以及低的陶瓷过滤器应用 沿着过滤器长度的压降。 这种陶瓷体特别适用于过滤应用，例如柴油机排气过滤器或DPF。 还公开了用于制造本文所述的陶瓷制品的方法。
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公开(公告)号：US20070234693A1
公开(公告)日：2007-10-11
申请号：US11394594
申请日：2006-03-30
申请人： Weiguo Miao , Jianguo Wang
发明人： Weiguo Miao , Jianguo Wang
IPC分类号： B01D39/20
CPC分类号： C04B35/195 , B01D46/2429 , B01D2046/2433 , B01D2046/2437 , C04B28/005 , C04B38/0006 , C04B2111/00793 , C04B2111/0081 , C04B2111/32 , C04B2235/3218 , C04B2235/3445 , C04B2235/349 , Y10S55/05 , Y10S55/10 , Y10S55/30 , Y10S264/48 , Y10T428/24165 , C04B14/042 , C04B14/10 , C04B24/10 , C04B24/28 , C04B24/383 , C04B38/0074
摘要： Porous ceramic articles such as ceramic filters are provided from ceramic extrusion batches comprising mixtures of oxides and oxide precursors with a reactive binder system, the binder system comprising a cellulosic temporary binder and two or more reactive binder components such as colloidal alumina, carbohydrate pore formers, reactive high charge density polymers, and chemical cross-linkers, the reactive binder system promoting cross-linking or networking reactions in the batch that enhance the fine pore structures of the porous ceramic products.
摘要翻译： 诸如陶瓷过滤器的多孔陶瓷制品由包括氧化物和氧化物前体与反应性粘合剂体系的混合物的陶瓷挤出批料提供，粘合剂体系包含纤维素临时粘合剂和两种或更多种反应性粘合剂组分，例如胶体氧化铝，碳水化合物成孔剂， 反应性高电荷密度聚合物和化学交联剂，反应性粘合剂体系促进了批料中的交联或组合反应，以增强多孔陶瓷产品的细孔结构。
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公开(公告)号：US09334191B2
公开(公告)日：2016-05-10
申请号：US12789945
申请日：2010-05-28
申请人： Weiguo Miao , Jianguo Wang
发明人： Weiguo Miao , Jianguo Wang
IPC分类号： C04B35/195 , B01D39/20 , C04B38/00 , C04B111/00 , C04B111/20 , C04B111/32 , C04B111/34 , C04B111/40
CPC分类号： C04B35/195 , B01D39/2075 , B01D2239/10 , C04B38/0006 , C04B2111/00793 , C04B2111/0081 , C04B2111/2084 , C04B2111/32 , C04B2111/34 , C04B2111/343 , C04B2111/40 , C04B2235/3217 , C04B2235/3418 , C04B2235/3445 , C04B2235/5436 , C04B2235/6021 , C04B2235/61 , C04B2235/6562 , C04B2235/66 , C04B2235/661 , C04B2235/9607 , C04B2235/9615 , C04B38/0054 , C04B38/0074
摘要： Processes for manufacturing porous ceramic honeycomb articles are disclosed. The processes include mixing a batch of inorganic components with processing aids to form a plasticized batch. The batch of inorganic components include talc having dpt50≦10 μm, a silica-forming source having dps50≦20 μm, an alumina-forming source having a median particle diameter dpa50 of less than or equal to 10.0 μm, and a pore former having dpp50≦20 μm. The plasticized batch is formed into a green honeycomb article and fired under conditions effective to form a porous ceramic honeycomb article comprising a cordierite crystal phase and having a microcrack parameter (Nb3) of from about 0.05 to about 0.25. After firing, the green honeycomb article the porous ceramic honeycomb article is exposed to a microcracking condition, which increases the microcrack parameter (Nb3) by at least 20%.
摘要翻译： 公开了制造多孔陶瓷蜂窝体的方法。 该方法包括将一批无机组分与加工助剂混合以形成塑化批料。 该批无机组分包括具有dpt50＆nlE;10μm的滑石，具有dps50＆nlE;20μm的二氧化硅形成源，中值粒径dpa50小于或等于10.0μm的氧化铝形成源和具有dpp50＆nlE的成孔剂 ;20μm。 将增塑的批料形成为绿色蜂窝制品，并在有效形成包含堇青石结晶相并且具有约0.05至约0.25的微裂纹参数（Nb 3））的多孔陶瓷蜂窝体制品的条件下焙烧。 焙烧后，多孔陶瓷蜂窝制品暴露于微裂纹状态，使微裂纹参数（Nb3）增加至少20％。
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公开(公告)号：US08454886B2
公开(公告)日：2013-06-04
申请号：US11605632
申请日：2006-11-29
IPC分类号： B28B1/00
CPC分类号： C04B38/0006 , C04B35/632 , C04B2111/00793 , C04B2111/0081 , Y10T428/131 , C04B35/00
摘要： A method for manufacturing an inorganic honeycomb structure that resists water damage after drying comprises compounding a base batch mixture including inorganic powders, a batch cross-link agent, an aqueous vehicle, and a cross-linkable batch constituent, and forming the batch mixture into a honeycomb core or skin component while reacting the cross-link agent with cross-linkable batch constituent.
摘要翻译： 制造抗干燥后的水损害的无机蜂窝结构体的制造方法包括：混合包括无机粉末，间歇交联剂，水性载体和可交联批次成分的基础批料混合物，并将该批料混合物形成 蜂窝芯或皮肤组分，同时使交联剂与可交联批料组分反应。
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