-
公开(公告)号：US4971672A
公开(公告)日：1990-11-20
申请号：US378034
申请日：1989-07-11
申请人： Hartwig Voss , Thomas Bruecken
发明人： Hartwig Voss , Thomas Bruecken
CPC分类号： C25D13/24
摘要： Acid is removed from cathodic electrocoating baths by a process in which electroconductive sub-strates are coated with cationic resins present in the form of aqueous dispersions, at least a portion of the coating bath being subjected to an ultrafiltration where the ultrafiltration membrane retains the cationic resin to form an ultrafiltrate which contains water, solvent, low molecular weight substances and ions and at least a portion of the ultrafiltrate is recycled into the coating bath, and at least a portion of the ultrafiltrate is subjected to a special electrodialysis treatment before being returned into the electrocoating bath.
-
公开(公告)号：US4883573A
公开(公告)日：1989-11-28
申请号：US130570
申请日：1987-12-09
申请人： Hartwig Voss , Thomas Bruecken
发明人： Hartwig Voss , Thomas Bruecken
CPC分类号： C25D13/24
摘要： Acid is removed from cathodic electrocoating baths by a process in which electroconductive substrates are coated with cationic resins present in the form of aqueous dispersions, at least a portion of the coating bath being subjected to an ultrafiltration where the ultrafiltration membrane retains the cationic resin to form an ultrafiltrate which contains water, solvent, low molecular weight substances and ions and at least a portion of the ultrafiltrate is recycled into the coating bath, and at least a portion of the ultrafiltrate is subjected to a special electrodialysis treatment before being returned into the electrocoating bath.
摘要翻译： 通过其中导电基材以水分散体形式存在的阳离子树脂涂覆的方法从阴极电泳浴中除去酸，至少一部分涂布液经过超滤，其中超滤膜保留阳离子树脂形成 含有水，溶剂，低分子量物质和离子的超滤液和至少一部分超滤液被再循环到涂层浴中，并且至少一部分超滤液在返回到电泳涂层之前进行特殊的电渗析处理 浴。
-
公开(公告)号：US4775478A
公开(公告)日：1988-10-04
申请号：US90445
申请日：1987-08-28
申请人： Hartwig Voss , Thomas Bruecken
发明人： Hartwig Voss , Thomas Bruecken
CPC分类号： C25D13/24
摘要： The present invention relates to a novel process for removing acids from cathodic electrocoating baths, in which electrically conductive substrates are coated with cationic resins present in the form of aqueous dispersions, part or all of the dip-coating bath being subjected to an ultrafiltration in which the ultrafiltration membrane retains the cationic resin and an ultrafiltrate is formed which contains water, solvent, low molecular weight substances and ions, and part or all of the ultrafiltrate being recycled to the coating bath, in which process(a) part or all of the ultrafiltrate, before recycling to the electrocoating bath and(b) an aqueous solution of an organic or inorganic base, which may or may not contain salts,are each introduced into one or more chambers, separated from one another by an anion exchange membrane, of an exchange cell, solutions (a) and (b) being led over the surface of the membrane.
摘要翻译： 本发明涉及一种用于从阴极电泳浴中除去酸的新方法，其中导电基底用水分散体形式存在的阳离子树脂涂覆，部分或全部浸涂浴进行超滤，其中 超滤膜保留阳离子树脂，并且形成含有水，溶剂，低分子量物质和离子的超滤液，并且将部分或全部超滤液再循环到涂布浴中，其中（a）部分或全部 超滤液在再循环到电泳浴之前和（b）有机或无机碱的水溶液（其可以含有或可以不含有盐）分别引入一个或多个通过阴离子交换膜彼此分离的室， 交换池，溶液（a）和（b）被引导到膜的表面上。
-
公开(公告)号：US4718649A
公开(公告)日：1988-01-12
申请号：US835968
申请日：1986-03-04
申请人： Klaus Pohlmann , Konrad Muller , Hartwig Voss , Gunter Drescher , Gerhard Thurow
发明人： Klaus Pohlmann , Konrad Muller , Hartwig Voss , Gunter Drescher , Gerhard Thurow
CPC分类号： F16J3/06 , F16F9/0409
摘要： A rolling bellows for pneumatic cushioning or shock absorption of a vehicle. Such rolling bellows are stressed particularly severely during telescoping in the pressureless state during assembly and also under emergency condititions. In order to avoid the occurrence of tension cracks from such causes, the rolling bellows are provided in the region of the cylindrical curvature, and on the inner surface, with integrally formed-on raised surface portions.
摘要翻译： 用于汽车气动缓冲或减震的滚动波纹管。 在组装期间以及紧急情况下，在无压力状态下伸缩时，这种滚动波纹管受到特别严重的压力。 为了避免这种原因引起的张力裂纹的发生，滚动波纹管设置在圆柱形曲率的区域中，并且在内表面上设置有一体形成的凸起的表面部分。
-
25.发明授权公开(公告)号：US09132387B2
公开(公告)日：2015-09-15
申请号：US13712536
申请日：2012-12-12
CPC分类号： B01D61/246 , B01D11/0288 , B01D11/0292 , B01D11/0415 , B01D61/243 , C07C41/38
摘要： The invention relates to a process for working-up a reaction mixture (5) comprising polyetherol and dissolved alkali metal comprising catalyst, wherein at least alkali metal ions of the dissolved alkali metal comprising catalyst are partially or completely removed from the mixture by a membrane separation process, the process comprising following steps: (a) feeding the reaction mixture (5) comprising polyetherol and dissolved alkali metal comprising catalyst into a first chamber (1) of a separation unit (3), (b) feeding a solvent into a second chamber (7) of the separation unit (3), the first chamber (1) and the second chamber (7) being separated by a membrane (9), (c) transporting at least the alkali metal ions of the alkali metal comprising catalyst from the first chamber (1) into the second chamber by passing through the membrane (9).
摘要翻译： 本发明涉及一种用于处理包含聚醚醚和包含催化剂的溶解的碱金属的反应混合物（5）的方法，其中至少包含催化剂的溶解的碱金属的碱金属离子通过膜分离部分或完全从混合物中除去 方法包括以下步骤：（a）将包含聚乙烯醇和包含催化剂的溶解的碱金属的反应混合物（5）进料到分离单元（3）的第一室（1）中，（b）将溶剂进料到第二 分离单元（3）的室（7），第一室（1）和第二室（7）被隔膜（9）隔开，（c）至少输送包含催化剂的碱金属的碱金属离子 从第一腔室（1）通过膜（9）进入第二腔室。
-
公开(公告)号：US08608837B2
公开(公告)日：2013-12-17
申请号：US13250057
申请日：2011-09-30
IPC分类号： B01D53/22
CPC分类号： B01D71/021 , B01D53/228 , B01D67/0067 , B01D67/0095 , B01D69/10 , B01D71/48 , B01D2256/16 , B01D2256/24 , B01D2257/108 , B01D2257/11 , B01D2257/406 , B01D2257/7022 , B01D2257/7025 , B01D2257/80 , B01D2323/08 , B01D2323/30 , B01D2325/022 , Y02C20/20
摘要： The use of solutions of ethylenically unsaturated polyesters for production of carbon membranes suitable for gas separation, and a process for producing carbon membranes suitable for gas separation, comprising the steps of a) coating a porous substrate with a solution of ethylenically unsaturated polyester, b) drying the polyester coating on the porous substrate by removing the solvent, and c) pyrolyzing the polyester coating on the porous substrate to form the carbon membrane suitable for gas separation, it being possible to conduct any of steps a) to c) or the sequence of steps a) to c) more than once.
摘要翻译： 使用烯键式不饱和聚酯溶液生产适用于气体分离的碳膜，以及一种生产适用于气体分离的碳膜的方法，包括以下步骤：a）用烯键式不饱和聚酯溶液涂覆多孔基材，b） 通过除去溶剂来干燥多孔基材上的聚酯涂层，以及c）热解多孔基材上的聚酯涂层以形成适于气体分离的碳膜，可以进行步骤a）至c）中任一步骤或序列 的步骤a）至c）不止一次。
-
公开(公告)号：US08196755B2
公开(公告)日：2012-06-12
申请号：US12304773
申请日：2007-05-21
申请人： Armin Diefenbacher , Hartwig Voss , Gunter Schuch , Manfred Noack , Ingolf Voigt , Hannes Richter , Juergen Caro
发明人： Armin Diefenbacher , Hartwig Voss , Gunter Schuch , Manfred Noack , Ingolf Voigt , Hannes Richter , Juergen Caro
CPC分类号： B01D71/028 , B01D53/228 , B01D61/364 , B01D67/0051 , B01D69/12 , B01D2323/12 , B01D2323/24 , C07C7/144 , C07C29/76 , C07C11/08 , C07C9/10 , C07C31/04 , C07C31/08 , C07C31/10 , C07C31/12
摘要： A process for the production of a composite membrane, one or more microporous separation layers comprising a zeolite of the MFI type being produced by hydrothermal synthesis on a porous substrate, wherein one or more additives from the group consisting of linear (C1-C4)-alcohols, ammonia, primary, secondary and tertiary amines having in each case (C1-C4)-alkyl radicals, (C1-C4)-aminoalcohols and (C3-C4)-ketones are added to the synthesis solution for the hydrothermal synthesis.
摘要翻译： 一种制备复合膜的方法，一种或多种包含MFI型沸石的微孔分离层是通过多孔基材上的水热合成制得的，其中一种或多种由线性（C 1 -C 4） - 在各种情况下（C1-C4） - 烷基，（C1-C4） - 氨基醇和（C3-C4） - 酮）的醇，氨，伯，仲和叔胺加入到用于水热合成的合成溶液中。
-
公开(公告)号：US20110275858A1
公开(公告)日：2011-11-10
申请号：US13142718
申请日：2009-12-21
申请人： Joana Coelho Tsou , Steffen Oehlenschlaeger , Ekkehard Schwab , Wolfgang Mackenroth , Hartwig Voss , Stefan Maixner , Samuel Neto , Sven Boehmeke , Frederik van Laar
发明人： Joana Coelho Tsou , Steffen Oehlenschlaeger , Ekkehard Schwab , Wolfgang Mackenroth , Hartwig Voss , Stefan Maixner , Samuel Neto , Sven Boehmeke , Frederik van Laar
IPC分类号： C07C209/36
CPC分类号： C07C209/36 , C07C211/50
摘要： A process for preparing tolylenediamine by hydrogenating dinitrotoluene with hydrogen in the presence of a suspended catalyst in a vertically upright reactor (1), at the upper end of which is arranged a motive jet nozzle (2) through which the reaction mixture drawn off from the reactor bottom, via an external loop, is sprayed into the upper region of the reactor (1) and then flows into a central inserted tube (4) which is arranged in the longitudinal direction of the reactor, flows through the latter from the top downward and flows upward again outside the inserted tube (4) in an internal loop motion, with a heat exchanger (6) in the interior of the reactor (1), through which cooling water flows, and absorbs some of the heat of reaction as it does so, with a feed for the dinitrotoluene at the upper end of the reactor (1) and a feed for the hydrogen at the lower end of the reactor (1), and wherein, in addition to the heat exchanger (6) arranged in the interior of the reactor (1), a further heat exchanger (W) is used in the external loop, in which water absorbs the rest of the heat of reaction by indirect heat exchange with the reaction mixture, which comprises utilizing the heat of reaction to raise steam with a pressure of at least 4 bar gauge by performing the hydrogenation of dinitrotoluene to tolylenediamine at a temperature of ≧180° C.
摘要翻译： 一种通过在悬浮催化剂存在下用氢气将二硝基甲苯氢化在垂直直立反应器（1）中制备甲苯二胺的方法，其上端设置有动力喷嘴（2），反应混合物从其中排出 反应器底部通过外部环路喷射到反应器（1）的上部区域中，然后流入沿着反应器的纵向布置的中心插入管（4），其从顶部向下流动 并且在反应器（1）的内部具有热交换器（6），内部循环运动再次向外流过插入的管（4），冷却水通过该换热器（6）流过，并吸收一些反应热 用反应器（1）上端的二硝基甲苯进料和反应器（1）下端的氢气进料，并且其中除了设置在反应器（1）的下端的热交换器 反应器（1）的内部，一个furt 她的热交换器（W）用于外部回路中，其中水通过与反应混合物的间接热交换吸收剩余的反应热，其中包括利用反应热量以至少4的压力升高蒸汽 通过在≥180℃的温度下进行二硝基甲苯氢化成甲苯二胺来测定。
-
公开(公告)号：US07968076B2
公开(公告)日：2011-06-28
申请号：US11666973
申请日：2005-11-03
IPC分类号： C01B17/66
CPC分类号： C01B17/66
摘要： The invention relates to a process for the preparation of sodium dithionite, comprising the steps (a) provision of a synthesis batch comprising sodium formate, sulfur dioxide and an alkaline sodium compound in aqueous methanolic solution with formation of a sodium dithionite mother liquor, (b) isolation of sodium dithionite from the sodium dithionite mother liquor, a residual mother liquor being obtained, (c) separation of methanol from the residual mother liquor, (d) separation of the residual mother liquor into a thiosulfate-rich first part-stream and a thiosulfate-poor, formate-containing second part-stream by means of nanofiltration, (e) concentration of sodium formate in the second part-stream and (f) recycling of the concentrated second part-stream to process step (a).
摘要翻译： 本发明涉及一种制备连二亚硫酸钠的方法，包括以下步骤：（a）在形成连二亚硫酸钠母液的水溶液中提供包含甲酸钠，二氧化硫和碱性钠化合物的合成批料，（b ）从连二亚硫酸钠母液中分离连二亚硫酸钠，得到残余母液，（c）从残余母液中分离甲醇，（d）将残余母液分离成富含硫代硫酸氢盐的第一部分流， （e）在第二部分流中浓缩甲酸钠，和（f）将浓缩的第二部分物流再循环到工艺步骤（a）中，通过纳滤法生产含有硫代硫酸盐的富含甲酸的第二部分物流。
-
30.发明授权公开(公告)号：US07847073B2
公开(公告)日：2010-12-07
申请号：US11569263
申请日：2005-05-18
申请人： Gunter-Rudolf Schroeder , Juergen Decker , Helmut Reichelt , Ingo Klopp , Armin Diefenbacher , Hartwig Voss
发明人： Gunter-Rudolf Schroeder , Juergen Decker , Helmut Reichelt , Ingo Klopp , Armin Diefenbacher , Hartwig Voss
IPC分类号： C09B41/00
CPC分类号： C09B67/0073 , C09B35/38 , C09B35/42 , C09B35/52 , C09B37/00 , C09B67/0096
摘要： A process for producing a liquid formulation of salts of sulfonated azo dyes by coupling an at least equimolar amount of diazotized aminoarylsulfonic acids I H2N—Ar—SO3H (I), where Ar is phenylene (which may be monosubstituted by sulfo) or naphthylene (which may be mono- or disubstituted by sulfo and/or monosubstituted by hydroxyl) onto the coupling product of an unsubstituted or methyl-substituted phenylenediamine with itself comprises dissolving the azo dye in a basic medium and then subjecting the solution to a nanofiltration.
摘要翻译： 或偶氮化合物，其中偶联至少等摩尔量的重氮化氨基芳基磺酸I H2N-Ar-SO3H（Ⅰ），其中Ar为亚苯基（可被磺基单取代）或亚萘基 可以被磺基单取代或/或被羟基单取代）到未取代或甲基取代的苯二胺的偶联产物上，其本身包括将偶氮染料溶解在碱性介质中，然后使该溶液进行纳滤。
-
-
-
-
-
-
-
-
-
搜索结果
75 条记录 (耗时 0.023 秒)
