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1. 发明授权

US6063824A Microcellular urea-containing polyurethane elastomer 失效
标题翻译：含微孔尿素的聚氨酯弹性体
公开(公告)号：US6063824A
公开(公告)日：2000-05-16
申请号：US91697
申请日：1998-11-18
申请人： Ruediger Krech , Udo Rotermund , Heinz Bollmann , Renate Hempel , Wolfgang Scholz , Manfred Genz
发明人： Ruediger Krech , Udo Rotermund , Heinz Bollmann , Renate Hempel , Wolfgang Scholz , Manfred Genz
IPC分类号： C08J9/36 , C08G18/08 , C08G18/40 , C08G18/76 , C08G101/00 , C08J9/04
CPC分类号： C08G18/089 , C08G18/7664 , C08G2101/0066 , C08G2101/0083 , C08G2350/00
摘要： A microcellular PU elastomer having improved dynamic-mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and also further customary constituents has, after heating at from 100 to 120.degree. C. for from 8 to 24 hours, a melting range of from 130.degree. C. as the minimum lower limit to 230.degree. C. as a minimum upper limit, measured by differential scanning calorimetry (DSC) at a heating rate of 20.degree. C./min, and a urea content of from 14 to 18% by weight.A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.
摘要翻译： PCT No.PCT / EP96 / 05639 Sec。 371日期：1998年11月18日 102（e）1998年11月18日日期PCT 1996年12月16日PCT公布。公开号WO97 / 23534 日期1997年7月3日具有改进的动态力学性能并且基于由4,4'-MDI组成的异氰酸酯组分的微孔PU弹性体以及另外的常规组分在100至120℃下加热8 至20小时，通过差示扫描量热法（DSC）以20℃/分钟的加热速率测量的最小下限为230℃的熔点为最小上限，为最小上限，以及尿素含量为14至18重量％。还提供了一种制备这种具有改进的动态力学性能的微孔PU弹性体的方法。微孔PU弹性体可用于制造阻尼元件。

2. 发明授权

US5684092A Production of rigid foams based on isocyanate 失效
标题翻译：生产基于异氰酸酯的硬质泡沫
公开(公告)号：US5684092A
公开(公告)日：1997-11-04
申请号：US755069
申请日：1996-11-22
申请人： Holger Seifert , Renate Hempel , Gottfried Knorr , Udo Rotermund
发明人： Holger Seifert , Renate Hempel , Gottfried Knorr , Udo Rotermund
IPC分类号： C08J9/02 , C08G18/00 , C08G18/08 , C08G18/28 , C08G18/65 , C08J9/14 , C08K3/00
CPC分类号： C08J9/149 , C08G18/282 , C08J9/141 , C08G2101/0025 , C08J2375/04
摘要： In a process for producing rigid foams based on isocyanate, the blowing agent used is a mixture of at least one low-boiling hydrocarbon having from 3 to 7 carbon atoms, low molecular weight monohydric alcohols containing primary or secondary hydroxyl groups and having from 1 to 4 carbon atoms, and, if desired, the carbon dioxide formed from water and isocyanate. The rigid foams can be used as insulation material.
摘要翻译：在用于生产基于异氰酸酯的刚性泡沫的方法中，所用的发泡剂是至少一种具有3-7个碳原子的低沸点烃，含有伯或仲羟基的低分子量一元醇的混合物，并且具有1至 4个碳原子，如果需要，由水和异氰酸酯形成的二氧化碳。刚性泡沫可以用作绝缘材料。

3. 发明授权

US09630866B2 Process for workup of NOx-containing offgases from wastewater streams of nitration plants 有权
公开(公告)号：US09630866B2
公开(公告)日：2017-04-25
申请号：US13511256
申请日：2010-12-13
申请人： Ruediger Fritz , Renate Hempel , Michael Zoellinger , Holger Allardt , Reiner Reetz
发明人： Ruediger Fritz , Renate Hempel , Michael Zoellinger , Holger Allardt , Reiner Reetz
IPC分类号： C02F1/66 , C02F9/00 , C01B21/40 , C07C201/08 , C02F1/20 , C02F1/78 , C02F103/36
CPC分类号： C02F9/00 , C01B21/40 , C02F1/20 , C02F1/78 , C02F2103/36 , C02F2209/008 , C02F2209/02 , C02F2209/06 , C07C201/08 , C07C205/06
摘要： The present invention relates to a process for workup of nitrite-comprising alkaline process wastewaters from the nitration of aromatic compounds, wherein the alkaline process wastewater is acidified by addition of acids and the offgas which comprises nitrogen oxides and escapes from the acidified process wastewater is worked up, comprising the steps of a) acidifying the process wastewater by adding acid to a pH below 5, which forms an organic phase which separates out, an acidic aqueous phase and a gaseous NOx-containing phase, and b) removing the gaseous NOx-containing phase.

4. 发明申请

US20060014908A1 Foam material consisting predominantly of carbon having a high inner surface and method for the production thereof 审中-公开
标题翻译：主要由具有高内表面的碳组成的泡沫材料及其生产方法
公开(公告)号：US20060014908A1
公开(公告)日：2006-01-19
申请号：US10526930
申请日：2003-09-08
申请人： Udo Rotermund , Renate Hempel , Michael Hesse , Jan Rudloff , Maryline Desseix
发明人： Udo Rotermund , Renate Hempel , Michael Hesse , Jan Rudloff , Maryline Desseix
IPC分类号： C08G18/02 , C08G18/06
CPC分类号： C04B38/0022 , C04B2111/00793 , C04B2111/00844 , C04B2111/00853 , H01G11/24 , H01G11/32 , H01G11/48 , Y02E60/13 , C04B35/52 , C04B38/0054 , C04B38/0058 , C04B38/0074
摘要： The invention relates to a foam comprising at least 70% by weight of carbon and having a mean cell size above 20 μm, a porosity based on this cell size of from 35% to 99.5% and an open cell content above 90%, an internal surface above 50 m2/g, having cell struts whose cross section is a triangle having concave sides and having pores in the cell framework material having dimensions of from 0.2 nm to 50 nm and a volume of from 0.01 cm3/g to 0.8 cm3/g, and also to its use. It further relates to a process for producing a foam comprising at least 70% by weight of carbon by pyrolysis of polymer foams which comprise at least 30% by mass of a polymer material having a nitrogen content of more than 6% by mass and having a porosity of from 35 to 99.5% and an open cell content above 1%, have inorganics incorporated into the polymer foam and/or applied to the surface and/or are treated during and/or after the pyrolysis with water vapor and/or carbon dioxide and/or oxygen at above 400° C.
摘要翻译：本发明涉及一种泡沫，其包含至少70重量％的碳，平均泡孔尺寸高于20μm，基于该孔尺寸为35％至99.5％，开孔率为90％以上的孔隙率，内部表面高于50m 2 / g，具有电池支柱，其横截面是具有凹面的三角形并且在电池框架材料中具有尺寸为0.2nm至50nm的体积和0.01的体积 cm 3 / g至0.8cm 3 / g，也用于其用途。本发明还涉及通过聚合物泡沫的热分解至少70重量％的碳的泡沫体的制造方法，其包含至少30质量％的氮含量大于6质量％的聚合物材料，并且具有 35％至99.5％的孔隙率和1％以上的开孔含量，将无机物掺入聚合物泡沫体中和/或施加到表面和/或在水蒸气和/或二氧化碳热解过程中和/或之后进行处理和/或高于400℃的氧气

5. 发明授权

US06284812B1 Thermally stable rigid foams based on isocyanate and having low brittleness and low thermal conductivity 有权
标题翻译：基于异氰酸酯的热稳定的刚性泡沫体，具有低脆性和低热导率
公开(公告)号：US06284812B1
公开(公告)日：2001-09-04
申请号：US09159798
申请日：1998-09-24
申请人： Udo Rotermund , Renate Hempel , Holger Seifert , Werner Schmiade
发明人： Udo Rotermund , Renate Hempel , Holger Seifert , Werner Schmiade
IPC分类号： C08G1804
CPC分类号： C08J9/14 , C08G18/6607 , C08G2101/0025 , C08G2101/0058 , C08J2203/14 , C08J2203/142 , C08J2375/04
摘要： Thermally stable rigid foams based on isocyanate can be produced by reacting a) polyisocyanates with b) compounds containing at least two hydrogen atoms which can react with isocyanate groups, c) water, in the presence of d) physically acting blowing agents, in the presence or absence of e) catalysts and auxiliaries and/or additives, wherein the component b) comprises bi) at least one polyether alcohol having a functionality of at least 1.5 and a hydroxyl number of from 10 to 100 mg KOH/g in an amount of from 0.2 to 80% by mass, based on b), and bii)at least one polyester alcohol in an amount of from 5 to 90% by mass, based on b), the water c) is present in an amount of at most 2% by mass, based on the sum of the components b) to e), and the component d) used comprises hydrocarbons and/or fluorine-containing hydrocarbons in an amount of from 5 to 30% by mass, based on the sum of the components b) to e).
摘要翻译：基于异氰酸酯的热稳定的硬质泡沫可以通过使多异氰酸酯与b）含有至少两个可与异氰酸酯基团反应的氢原子的化合物，c）在存在或不存在的情况下在d）物理作用的发泡剂存在下，）催化剂和助剂和/或添加剂，其中组分b）包含至少一种官能度为至少1.5，羟基数为10至100mg KOH / g的聚醚醇，其量为0.2至80％基于b），andbii）基于b）的至少一种聚酯醇的量为5〜90质量％，水c）的含量为至多2质量％，基于基于组分b）至e）的总和，并且使用的组分d）基于组分b）至e的总和，含有5至30质量％的烃和/或含氟烃）。

6. 发明授权

US06274642B1 Storage-stable, blowing agent-containing emulsions for producing rigid foams based on isocyanate 有权
标题翻译：用于生产基于异氰酸酯的刚性泡沫的储存稳定的含发泡剂的乳液
公开(公告)号：US06274642B1
公开(公告)日：2001-08-14
申请号：US09160109
申请日：1998-09-24
申请人： Udo Rotermund , Anja Biedermann , Renate Hempel , Werner Wiegmann , Marion Heinz
发明人： Udo Rotermund , Anja Biedermann , Renate Hempel , Werner Wiegmann , Marion Heinz
IPC分类号： C08J914
CPC分类号： C08J9/141 , C08G18/4018 , C08G18/4288 , C08G18/4816 , C08G18/4841 , C08G18/4845 , C08G18/5024 , C08G18/6674 , C08G2101/0025 , C08J2205/10 , C08J2375/04
摘要： Storage-stable, blowing agent-containing halogen-free emulsions for producing rigid foams based on isocyanate comprise a) compounds containing hydrogen atoms which are reactive toward isocyanate groups, b) water, c) physically acting, halogen-free blowing agents and, if desired, d) auxiliaries and/or additives which are customary in polyurethane chemistry, wherein the component a) comprises polyether alcohols having a functionality of greater than 1.5 and a hydroxyl number of from 10 to 100 mg KOH/g in an amount of from 0.2% by mass to 80% by mass, based on the mass of the component a), and the halogen-free, physically acting blowing agents c) used are hydrocarbons having from 3 to 10 carbon atoms.
摘要翻译：用于制备基于异氰酸酯的刚性泡沫的储存稳定的含发泡剂的无卤乳液包括a）含有对异氰酸酯基团具有反应性的氢原子的化合物，b）水，c）物理作用的，无卤素的发泡剂，如果需要，d）在聚氨酯化学中通常的助剂和/或添加剂，其中组分a）包含官能度大于1.5，羟值为10至100mg KOH / g的聚醚醇，其量为0.2重量％基于组分a）的质量计，质量至80质量％，并且所用的无卤物理作用的发泡剂c）是具有3至10个碳原子的烃。

7. 发明授权

US5895792A Production of rigid polyurethane foams 失效
标题翻译：生产刚性聚氨酯泡沫
公开(公告)号：US5895792A
公开(公告)日：1999-04-20
申请号：US935911
申请日：1997-09-23
申请人： Udo Rotermund , Renate Hempel , Holger Seifert , Werner Wiegmann
发明人： Udo Rotermund , Renate Hempel , Holger Seifert , Werner Wiegmann
IPC分类号： C08J9/12 , C08G18/06 , C08G18/48 , C08G18/50
CPC分类号： C08G18/5033 , C08G18/482 , C08G2101/0025 , C08G2101/0033 , C08G2101/005 , C08G2101/0058 , C08G2101/0083
摘要： In a process for producing rigid polyurethane foams having improved heat distortion resistance and reduced thermal conductivity by reactinga) polyisocyanates withb) compounds containing hydrogen atoms reactive toward isocyanates, in the presence ofc) water, and, if desired,d) physically acting blowing agents ande) catalysts and known auxiliaries and/or additives, the compounds b) containing hydrogen atoms reactive toward isocyanates are a polyol mixture comprisingb1) a polyol which can be prepared by addition of ethylene oxide and/or propylene oxide onto a hexitol or a hexitol mixture, with the total hexitol content of the polyol mixture being from 15 to 30% by weight, based on the polyol mixture, andb2) a polyol which can be prepared by addition of ethylene oxide and/or propylene oxide onto one or more aromatic amines, with the total amine content of the polyol mixture being from 1 to 10% by weight, based on the polyol mixture, and the amount of the polyol mixture in the component b) is from 60 to 100 parts by mass per 100 parts by mass of the component b).
摘要翻译：在制备具有改善的耐热变形性和降低热导率的硬质聚氨酯泡沫体的方法中，通过使a）多异氰酸酯与b）在c）水和（如果需要）d）的存在下，对含有氢原子的异氰酸酯反应的化合物d）发泡剂和e）催化剂和已知的助剂和/或添加剂，包含对异氰酸酯具有反应性的氢原子的化合物b）是多元醇混合物，其包含b1）可以通过在己糖醇中加入环氧乙烷和/或环氧丙烷制备的多元醇或己糖醇混合物，其中多元醇混合物的总己糖醇含量为基于多元醇混合物的15至30重量％，和b2）可通过将环氧乙烷和/或环氧丙烷加成到一个上制备的多元醇或更多的芳族胺，多元醇混合物的总胺含量基于多元醇混合物为1至10重量％，并且组分中的多元醇混合物的量 b）相对于100质量份组分b）为60〜100质量份。

8. 发明申请

US20120248038A1 ACID TOLUENE EXTRACTION OF DNT WASTEWATERS 审中-公开
标题翻译：酸性硝酸盐萃取DNT废水
公开(公告)号：US20120248038A1
公开(公告)日：2012-10-04
申请号：US13516280
申请日：2010-12-13
申请人： Ruediger Fritz , Renate Hempel , Baerbel Guschel , Helmut Richter , Anne-Kathrin Merten , Michael Zoellinger , Elvira Flegel , Holger Allardt , Reiner Reetz
发明人： Ruediger Fritz , Renate Hempel , Baerbel Guschel , Helmut Richter , Anne-Kathrin Merten , Michael Zoellinger , Elvira Flegel , Holger Allardt , Reiner Reetz
IPC分类号： C02F1/26 , C02F1/04 , C02F1/66
CPC分类号： C07C201/16 , C02F1/26 , C02F1/66 , C02F2103/36 , C07C205/06 , C07C205/12
摘要： A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics with a pH of 7.5 to 13 or a mixture W with a pH of 6 to 10 of alkaline process wastewater and the aqueous distillate of the sulfuric acid concentration, comprising the steps of a) acidifying the alkaline process wastewater or the mixture W by adding concentrated sulfuric acid which originates from the workup of the aqueous, sulfuric acid-containing phase obtained in the nitration to a pH below 2, which forms a mixture A consisting of organic phase which separates out and acidic aqueous phase, and b) extracting the mixture A with an aromatic extractant.
摘要翻译：用于将碱性工艺废水从硝化芳香族化合物转化为pH为7.5至13的单，二和三硝基溴化物或碱性工艺废水的pH为6至10的混合物W和碱性工艺废水的含水馏出物硫酸浓度，包括以下步骤：a）通过将从硝化中获得的含水硫酸相的后处理产生的浓硫酸加入到低于2的pH下，使碱性工艺废水或混合物W酸化，形成由分离出酸性水相的有机相组成的混合物A，和b）用芳族萃取剂萃取混合物A.

9. 发明授权

US5916480A Storage-stable emulsions for producing fine-celled rigid foams based on isocyanate 有权
标题翻译：用于生产基于异氰酸酯的细胞刚性泡沫的储存稳定的乳液
公开(公告)号：US5916480A
公开(公告)日：1999-06-29
申请号：US159976
申请日：1998-09-24
申请人： Udo Rotermund , Marion Heinz , Anja Biedermann , Renate Hempel , Werner Wiegmann
发明人： Udo Rotermund , Marion Heinz , Anja Biedermann , Renate Hempel , Werner Wiegmann
IPC分类号： C08J9/00 , B01F17/34 , C08G18/00 , C08G18/28 , C08G18/34 , C08G18/40 , C08G18/42 , C08G18/66 , C08G101/00 , C08J9/14 , C08K3/00
CPC分类号： C08J9/141 , C08G18/6607 , C08G2101/0025 , C08G2101/0058 , C08J2205/10 , C08J2375/04
摘要： Blowing agent-containing emulsions comprisea) compounds containing hydrogen atoms which are reactive toward isocyanates,b) blowing agents,c) catalysts, auxiliaries and/or additives which are customary in polyurethane chemistry, wherein the blowing agents b) are present as an emulsion in the components a) and c), and polyester alcohols having the following structure are used as emulsification aids: ##STR1## where m=0-15n=0-1o=0-15p=0-1q=0-15r=0-1s=0-15t=0-1u=0-10v=0-15x=1-5y=1-4 or mixtures of 1-3 where r+n.noteq.0z=0-3z.sub.i =0.1-3R.sub.1 is an aliphatic structure without OH groups, based on the structure of polyhydric alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol and dipropylene glycol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,3-butanediol, trimethylolpropane, trimethylol ethane, glycerol, pentaerythritol, where these substances can also be used as any mixture with one another in the esterification and R.sub.1 can therefore also be a mixture of the corresponding structures,R.sub.2 is the radical of a polycarboxylic acid without COOH groups, eg. adipic acid, terephthalic acid, o-phthalic acid,R.sub.3 is an alcohol radical like R.sub.1.
摘要翻译：含发泡剂的乳液包括a）含有对异氰酸酯具有反应性的氢原子的化合物，b）发泡剂，c）在聚氨酯化学中常用的催化剂，助剂和/或添加剂，其中发泡剂b）作为乳液存在在组分a）和c）中，具有以下结构的聚酯醇用作乳化助剂：其中m = 0-15n = 0-1 o = 0-15 p = 0-1 q = 0-15 r = 0-1 s = 0-15 t = 0-1 u = 0-10 v = 0-15 x = 1-5 y = 1-4或1-3的混合，其中r + n NOTEQUAL 0 z = 0-3 zi = 0.1-3 R1是不含OH基团的脂肪族结构，基于多元醇的结构，优选乙二醇，二甘醇，三甘醇，1,2-丙二醇和二丙二醇，1,4-丁二醇， 6-己二醇，新戊二醇，1,3-丁二醇，三羟甲基丙烷，三羟甲基乙烷，甘油，季戊四醇，其中这些物质也可以作为彼此在酯化中的任何混合物使用，因此，因此是相应结构的混合物，R2是不含COOH基团的多元羧酸的基团，例如。己二酸，对苯二甲酸，邻苯二甲酸，R3是如R1的醇基。

10. 发明授权

US5624969A Production of rigid foams based on isocyanate 失效
公开(公告)号：US5624969A
公开(公告)日：1997-04-29
申请号：US677744
申请日：1996-07-10
申请人： Holger Seifert , Renate Hempel , Gottfried Knorr , Udo Rotermund
发明人： Holger Seifert , Renate Hempel , Gottfried Knorr , Udo Rotermund
IPC分类号： C08J9/02 , C08G18/00 , C08G18/08 , C08G18/28 , C08G18/65 , C08J9/14
CPC分类号： C08J9/149 , C08G18/282 , C08J9/141 , C08G2101/0025 , C08J2375/04
摘要： In a process for producing rigid foams based on isocyanate, the blowing agent used is a mixture of at least one low-boiling hydrocarbon having from 3 to 7 carbon atoms, low molecular weight monohydric alcohols containing primary or secondary hydroxyl groups and having from 1 to 4 carbon atoms, and, if desired, the carbon dioxide formed from water and isocyanate. The rigid foams can be used as insulation material.

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