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公开(公告)号：US5837107A
公开(公告)日：1998-11-17
申请号：US688281
申请日：1996-07-29
CPC分类号： B01D3/146 , B01D3/38 , C01B21/1445 , C01B21/1463 , C01B21/1472 , Y10S203/20
摘要： An aqueous solution of free hydroxylamine is prepared by a process in which the solution obtained by treating a hydroxylammonium salt with a base is separated into an aqueous hydroxylamine solution and a salt fraction by treatment with water or steam at .ltoreq.80.degree.0 C. The novel process can be carried out in a simple and gentle manner and on a large industrial scale. Owing to the low thermal load, the low concentration of hydroxylamine and the short residence time in the process, the risk of decomposition is minimized.
摘要翻译： 通过以下方法制备游离羟胺的水溶液，其中将通过用碱处理羟基铵盐获得的溶液在80℃下用水或蒸汽处理分离成羟胺溶液和盐馏分。 新颖的过程可以简单而温和的方式进行，在大型工业规模上进行。 由于热负荷低，羟胺浓度低，停留时间短，分解风险降低。
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22.发明授权Simultaneous destruction of trace components in the reaction off-gas from the synthesis of melamine 失效同时破坏来自合成三聚氰胺的反应废气中的痕量组分
公开(公告)号：US4360504A
公开(公告)日：1982-11-23
申请号：US307669
申请日：1981-10-01
申请人： Klaus Blanck , Winfried Dethlefsen , Anton Jungbauer , Bernd Leutner , Ernst-Juergen Schier , Hans-Ulrich Schlimper , Hans H. Schneehage
发明人： Klaus Blanck , Winfried Dethlefsen , Anton Jungbauer , Bernd Leutner , Ernst-Juergen Schier , Hans-Ulrich Schlimper , Hans H. Schneehage
IPC分类号： C07D251/60 , B01D53/86 , B01J23/00 , B01J23/72 , B01J23/745 , C07B61/00 , B01D53/36
CPC分类号： B01D53/8621
摘要： The reaction off-gas from the synthesis of melamine consists, after separating off the melamine, mainly of ammonia and carbon dioxide, with traces of hydrogen cyanide, isocyanic acid, urea and residual melamine. To remove these trace components, the off-gas is passed over a catalyst, containing copper oxide and/or iron oxide, in the presence of steam at from 100.degree. to 500.degree. C.
摘要翻译： 来自三聚氰胺合成的反应废气在分离出三聚氰胺之后，主要是氨和二氧化碳，含有氰化氢，异氰酸，尿素和残留的三聚氰胺。 为了除去这些痕量组分，废气在100℃至500℃的蒸气存在下通过含有氧化铜和/或氧化铁的催化剂。
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公开(公告)号：US4267068A
公开(公告)日：1981-05-12
申请号：US41523
申请日：1979-05-22
CPC分类号： C01B39/026 , C11D3/1286 , C11D3/2082
摘要： A storage-stable, pourable and pumpable aqueous suspension which contains finely divided water-insoluble sodium aluminum silicate and one or more hydroxyl-free saturated or unsaturated aliphatic dicarboxylic acids of 3 to 10 carbon atoms, or their alkali metal salts, as a stabilizer and flow improver.
摘要翻译： 一种储存稳定，可倾倒和可泵送的水性悬浮液，其含有细分散的不溶于水的硅酸铝钠和一种或多种含3-10个羟基的饱和或不饱和脂族二羧酸，或其碱金属盐作为稳定剂， 流动改进剂。
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公开(公告)号：US4076682A
公开(公告)日：1978-02-28
申请号：US722518
申请日：1976-09-13
CPC分类号： C09C3/063 , C08K3/0033 , C08K3/22 , C08K5/02 , C08K9/12 , C09C1/00 , C09C1/021 , C09C1/024 , C09C1/043 , C09C1/3054 , C01P2004/10 , C01P2004/20 , C01P2004/61 , C01P2004/62 , C01P2004/80 , C01P2006/90
摘要： Thermoplastic molding compositions comprise a linear nylon, an adduct of hexachlorocyclopentadiene and a dienophile as a flameproofing agent, zinc oxide as a synergistic agent, and reinforcing fillers. The zinc oxide is manufactured by adding an aqueous solution of a zinc salt and an aqueous solution of a base to an aqueous suspension of an inorganic carrier, the zinc oxide being precipitated at a pH of from 10 to 12. The molding compositions can be processed to give flameproof moldings having good mechanical properties.
摘要翻译： 热塑性成型组合物包括线性尼龙，六氯环戊二烯的加合物和作为防火剂的亲二烯体，作为增效剂的氧化锌和增强填料。 通过将锌盐的水溶液和碱的水溶液加入到无机载体的水性悬浮液中来制造氧化锌，氧化锌在10至12的pH下沉淀。可以将成型组合物加工 以提供具有良好机械性能的防火模制品。
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25.发明授权Flame-retardant polyester molding compositions containing flame retardant nitrogen compounds and diphosphinates 有权含有阻燃性氮化合物和二磷酸盐的阻燃聚酯成型组合物公开(公告)号：US06503969B1
公开(公告)日：2003-01-07
申请号：US09674539
申请日：2000-11-02
申请人： Martin Klatt , Bernd Leutner , Michael Nam , Herbert Fisch
发明人： Martin Klatt , Bernd Leutner , Michael Nam , Herbert Fisch
IPC分类号： C08K55313
CPC分类号： C08K5/5313 , C08L67/02 , C08L85/00
摘要： Thermoplastic molding compositions comprise A) from 5 to 96% by weight of a polyester, B) from 1 to 30% by weight of a nitrogen compound, excluding melamine cyanurate, C) from 0.1 to 30% by weight of a phosphinate of formula I or of a diphosphinate of formula II or of polymers of these or mixtures of these as defined in the specification D) from 0 to 5% by weight of at least one ester or amide of saturated or unsaturated aliphatic carboxylic acids having from 10 to 40 carbon atoms with saturated aliphatic alcohols or amines having from 2 to 40 carbon atoms, and E) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to E) is 100%.
摘要翻译： 热塑性成型组合物包含A）5至96重量％的聚酯，B）1至30重量％的氮化合物，不包括三聚氰胺氰尿酸酯，C）0.1至30重量％的式I的次膦酸酯或 的式II的二磷酸盐或它们的聚合物或这些的聚合物或这些的混合物如说明书D中定义）0至5重量％的至少一种具有10至40个碳原子的饱和或不饱和脂族羧酸的酯或酰胺与 饱和脂族醇或具有2至40个碳原子的胺，和E）0至60重量％的其它添加剂，其中组分A）至E）的重量百分比的总和为100％。
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公开(公告)号：US06190567B1
公开(公告)日：2001-02-20
申请号：US09327968
申请日：1999-06-08
IPC分类号： C02F172
CPC分类号： C02F1/76 , C02F1/722 , Y10S210/903
摘要： A process for breaking down hydroxylamine in aqueous solutions, especially wastewaters, by treatment with an oxidizing agent, which comprises using as said oxidizing agent an alkali metal hypohalite or alkaline earth metal hypohalite or peroxomonosulfuric or peroxodisulfuric acid or a salt thereof and carrying out the treatment with said oxidizing agent at a pH
摘要翻译： 一种通过用氧化剂处理来分解水溶液，特别是废水中的羟胺的方法，其包括使用碱金属次卤酸盐或碱土金属次卤酸盐或过硫酸或过氧二硫酸或其盐，并进行处理 所述氧化剂在pH <8。
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公开(公告)号：US6036742A
公开(公告)日：2000-03-14
申请号：US22674
申请日：1998-02-12
CPC分类号： B22F9/305 , C22C33/0214
摘要： Finely divided phosphorus-containing iron is prepared by reacting iron pentacarbonyl with a volatile phosphorus compound, in particular PH.sub.3, in the gas phase. The resulting phosphorus-containing iron powders and iron whiskers have a particularly low content of extraneous elements.
摘要翻译： 通过在气相中使五羰基铁与挥发性磷化合物，特别是PH 3反应制备细分的含磷铁。 所得到的含磷铁粉和铁晶须具有特别低的外来元素含量。
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公开(公告)号：US5876785A
公开(公告)日：1999-03-02
申请号：US992030
申请日：1997-12-17
CPC分类号： C25B13/00 , Y10S241/606
摘要： The invention relates to a process for recycling diaphragms, in particular a process for recycling used asbestos-free diaphragms from alkali metal chloride electrolysis, the diaphragm material being comminuted, the diaphragm material being washed with a wash substrate and a reusable material being obtained.
摘要翻译： 本发明涉及一种用于回收隔膜的方法，特别是一种用于从碱金属氯化物电解中循环使用无石棉隔膜的方法，粉碎隔膜材料，隔膜材料用洗涤基板和可重复使用的材料洗涤。
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公开(公告)号：US5755951A
公开(公告)日：1998-05-26
申请号：US876250
申请日：1997-06-16
申请人： Rudi Kroner , Bernd Leutner , Hans-Michael Schneider , Holger Friedrich , Kurt Hecky , Dieter Schlafer , Wolfgang Steiner
发明人： Rudi Kroner , Bernd Leutner , Hans-Michael Schneider , Holger Friedrich , Kurt Hecky , Dieter Schlafer , Wolfgang Steiner
摘要： A process for the regeneration of plastic diaphragms is described, in which a mineral acid solution is mixed with a suitable corrosion inhibitor, this mixture is temperature controlled at from approximately 0.degree. to 100.degree. C., preferably 40.degree. to 80.degree. C., in particular 50.degree. to 70.degree. C., and passed through the diaphragm for from approximately 0.1 to 84 hours, preferably 1 to 72 hours, in particular 2 to 24 hours.
摘要翻译： 描述了一种用于塑料隔膜再生的方法，其中无机酸溶液与合适的缓蚀剂混合，该混合物的温度控制在约0℃至100℃，优选40℃至80℃， 特别是50℃至70℃，并通过隔膜约0.1至84小时，优选1至72小时，特别是2至24小时。
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30.发明授权Regeneration of wash solutions containing Fe(II) and Fe(III) chelate complexes 失效含有Fe（II）和Fe（III）螯合物的洗涤液的再生
公开(公告)号：US4879102A
公开(公告)日：1989-11-07
申请号：US251449
申请日：1988-09-30
CPC分类号： B01D53/1425 , B01D53/14 , B01D53/56
摘要： Wash solutions containing Fe(II) and Fe(III) chelate complexes and used for removing NO.sub.x from waste gases are regenerated by treatment with sodium tetrahydroborate.
摘要翻译： 含有Fe（II）和Fe（III）螯合络合物并用于从废气中除去NOx的洗涤溶液通过用四氢硼酸钠处理再生。
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