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公开(公告)号:US5856543A
公开(公告)日:1999-01-05
申请号:US629843
申请日:1996-04-10
申请人: Holger Friedrich , Harald Keller , Bernd Leutner
发明人: Holger Friedrich , Harald Keller , Bernd Leutner
CPC分类号: C07F7/12 , C07F7/1836 , C07F7/184
摘要: Silanes of the general formula I ##STR1## wherein n is an integer of from 1 to 5, at least one of the residues R represents a hydrolyzable residue selected from the group of substituents consisting of halogen, alkoxy, sec. amino and oxycarbonyl hydrogen or oxycarbonyl alkyl, and the other residues represent alkyl, cycloalkyl, aryl or one of the said hydrolyzable residues, a process for their preparation, and their use.
摘要翻译: 通式I的硅烷(I)其中n是1至5的整数,残基R中的至少一个表示选自卤素,烷氧基,仲烷基的取代基组中的可水解残基。 氨基和氧羰基氢或氧羰基烷基,其余残基表示烷基,环烷基,芳基或所述可水解残基之一,其制备方法及其用途。
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公开(公告)号:US5919348A
公开(公告)日:1999-07-06
申请号:US982441
申请日:1997-12-02
摘要: The flow resistance of a diaphragm based on a fiber material is modified by treating the diaphragm during or after preparation thereof with a dispersion comprising a fluorine-containing component and optionally with a solution comprising a precursor of ZrO.sub.2.
摘要翻译: 基于纤维材料的隔膜的流动阻力通过在包含含氟组分的分散体和任选地含有包含ZrO 2的前体的溶液的制备过程中或之后处理膜来改变。
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公开(公告)号:US06592832B1
公开(公告)日:2003-07-15
申请号:US09623110
申请日:2000-08-29
IPC分类号: C01D1500
摘要: A process for preparing a high purity lithium salt from lithium carbonate comprises steps A to D as defined hereinbelow: A: treating a mixture comprising lithium carbonate and water by means of CO2 to obtain an aqueous mixture comprising lithium bicarbonate, B: passing said aqueous mixture comprising lithium bicarbonate through an ion exchanger module, C: precipitating lithium carbonate from the ion exchange module treated lithium bicarbonate mixture obtained in step B, and D: working up the precipitated lithium carbonate or converting the precipitated lithium carbonate into some other high purity lithium salt.
摘要翻译: 由碳酸锂制备高纯度锂盐的方法包括步骤A至D,如下所述:A:用CO 2处理包含碳酸锂和水的混合物,得到包含碳酸氢锂的水性混合物,B:通过所述含水混合物 包括通过离子交换器模块的碳酸氢锂,C:从步骤B中获得的离子交换模块处理的碳酸氢锂混合物中沉淀碳酸锂,以及D:处理沉淀的碳酸锂或将沉淀的碳酸锂转化成一些其它高纯度锂盐。
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公开(公告)号:US06110230A
公开(公告)日:2000-08-29
申请号:US297920
申请日:1999-07-16
申请人: Holger Friedrich , Michael Kneip , Bernd Leutner
发明人: Holger Friedrich , Michael Kneip , Bernd Leutner
IPC分类号: C08G77/388 , C14C9/00
CPC分类号: C14C9/00 , C08G77/388
摘要: Specific carboxyamide-polysiloxanes of the formula IV ##STR1## or the formula IVa ##STR2## having a carboxyl content of from 0.02 to 1.0 mmol/g and an average molar mass (number average) [M.sub.n ] in the range from 2.times.10.sup.3 to 60.times.10.sup.3 g/mol are used for hydrophobicizing materials of fibrous structure, especially leather or fur skins.
摘要翻译: PCT No.PCT / EP97 / 06348 371日期:1999年7月16日 102(e)日期1999年7月16日PCT 1997年11月13日PCT公布。 第WO98 / 21369号公报 日期1998年5月22日具有式IV的羧酸酰胺 - 聚硅氧烷或羧基含量为0.02〜1.0mmol / g,平均摩尔质量(数均)[Mn]为2×10 3〜60×10 3 g / mol 用于纤维结构材料的疏水化,特别是皮革或毛皮。
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公开(公告)号:US5765763A
公开(公告)日:1998-06-16
申请号:US585350
申请日:1996-01-11
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.
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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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公开(公告)号:US5899393A
公开(公告)日:1999-05-04
申请号:US585350
申请日:1996-01-11
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.
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公开(公告)号:US5817853A
公开(公告)日:1998-10-06
申请号:US909941
申请日:1997-08-12
CPC分类号: C07F7/045
摘要: A process for preparing a silane of the formula I R.sup.1.sub.n SiR.sup.2.sub.m (I) where R.sup.1 is --O--Y, n is an integer from 1 to 3, R.sup.2 is ##STR1## m is an integer from 1 to 3 and n+m=4, and Y and Z are each, independently of one another, unsubstituted or mono- or polyhalo-substituted C.sub.1 --C.sub.20 -alkyl, C.sub.2 --C.sub.20 -alkenyl, C.sub.2 --C.sub.20 -alkynyl and --(CH.sub.2).sub.p --A, where p is an integer from 0 to 6 and A, which is unsubstituted or substituted by one or more C.sub.1 -C.sub.6 -alkyls, is a 3- to 20-membered hydrocarbon ring entails reacting a halosilicon compound of the formula II SiX.sub.4 (II) where X is fluorine, chlorine, bromine and iodine, with compounds of the formula III and IV, or with an anhydride of the formula V and the compound of the formula IV ##STR2## where R.sup.1 and R.sup.2, and Z have the above meanings, M is a metal of main group one and two.
摘要翻译: 制备式I的硅烷的方法R1nSiR2m(Ⅰ)其中R1为-OY,n为1至3的整数,R2为1至3的整数,n + m = 4,以及 Y和Z各自独立地为未取代的或单取代或多卤取代的C 1 -C 20 - 烷基,C 2 -C 20 - 烯基,C 2 -C 20 - 炔基和 - (CH 2)p A,其中p是0的整数 至6和A,其是未取代的或被一个或多个C 1 -C 6烷基取代的是3至20元烃环,其中使X为氟,氯, 溴和碘与式III和IV的化合物或与式V的酸酐和式IV的化合物MR2(III)的化合物HR1(IV)其中R1和R2以及Z具有 在上述含义中,M为主要组1和2的金属。
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公开(公告)号:US09580333B2
公开(公告)日:2017-02-28
申请号:US13991516
申请日:2011-12-07
申请人: Holger Friedrich , Matthias Boll , Rainer Ortmann
发明人: Holger Friedrich , Matthias Boll , Rainer Ortmann
IPC分类号: C01G37/033 , C01G37/00 , C09C1/34
CPC分类号: C01G37/033 , C01G37/00 , C01P2006/80 , C09C1/346
摘要: Process for preparing chromium(III) oxide, which comprises the steps: a) reaction of sodium monochromate with gaseous ammonia, in particular at a temperature of from 200 to 800° C., b) hydrolysis of the reaction product obtained in step a) with the pH of the water for the hydrolysis being reduced before the hydrolysis or that of the alkaline mother liquor being reduced during or after the hydrolysis, to a value of from 4 to 11, preferably from 5 to 10, by means of an acid, c) isolation of the hydrolysis product which has precipitated in step b), preferably at a pH of from 4 to 11, in particular from 5 to 10, and optionally washing and optionally drying and d) calcination of the hydrolysis product obtained in step c) at a temperature of from 700 to 1400° C., in particular from 800 to 1300° C.
摘要翻译: 制备氧化铬(III)的方法,其包括以下步骤:a)将单色钠与气态氨反应,特别是在200至800℃的温度下,b)水解步骤a)中获得的反应产物, 在水解之前水解的水的pH降低,或在水解期间或之后碱性母液的pH降低至4至11,优选5至10的值,借助于酸, c)分离在步骤b)中沉淀的水解产物,优选在4至11,特别是5至10的pH下,并任选地洗涤和任选地干燥和d)煅烧步骤c中获得的水解产物 ),温度为700〜1400℃,特别是800〜1300℃。
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