Method for the production of 1,4- butanediol
    111.
    发明授权
    Method for the production of 1,4- butanediol 失效
    1,4-丁二醇生产方法

    公开(公告)号:US07154011B2

    公开(公告)日:2006-12-26

    申请号:US10517263

    申请日:2003-06-10

    IPC分类号: C07C29/149

    摘要: The present invention relates to a process for preparing optionally alkyl-substituted 1,4-butanediol by two-stage catalytic hydrogenation in the gas phase of C4-dicarboxylic acids and/or of derivatives thereof having the following steps: a) introducing a gas stream of a C4-dicarboxylic acid or of a derivative thereof at from 200 to 300° C. and from 10 to 100 bar into a first reactor or into a first reaction zone of a reactor and catalytically hydrogenating it in the gas phase to a product which contains mainly optionally alkyl-substituted γ-butyrolactone; b) introducing the product stream obtained in this way into a second reactor or into a second reaction zone of a reactor at a temperature of from 140° C. to 260° C. and catalytically hydrogenating it in the gas phase to optionally alkyl-substituted 1,4-butanediol; steps a) and b) being carried out at the same pressure; c) removing the desired product from intermediates, by-products and any unconverted reactants; d) optionally recycling unconverted intermediates into one or both hydrogenation stages, said hydrogenation stages each using a catalyst which comprises ≦95% by weight, preferably from 5 to 95% by weight, in particular from 10 to 80% by weight, of CuO, and ≧5% by weight, preferably from 5 to 95% by weight, in particular from 20 to 90% by weight, of an oxidic support, and the product mixture removed from the first hydrogenation stage being introduced without further purification into the second hydrogenation stage.

    摘要翻译: 本发明涉及通过在具有下列物质的C 4 - 二羧酸和/或其衍生物的气相中通过两阶段催化氢化制备任选的烷基取代的1,4-丁二醇的方法 步骤:a)将200-300℃和10-100巴的C 4-14二羧酸或其衍生物的气流引入第一反应器或第一反应 并将其在气相中催化氢化成主要包含烷基取代的γ-丁内酯的产物; b)将以这种方式获得的产物流在140℃至260℃的温度下引入第二反应器或反应器的第二反应区,并将其在气相中催化氢化为任选的烷基取代的 1,4-丁二醇 步骤a)和b)在相同的压力下进行; c)从中间体,副产物和任何未转化的反应物中除去所需的产物; d)任选地将未转化的中间体再循环到一个或两个氢化阶段中,所述氢化阶段各自使用包含<= 95重量%,优选5至95重量%,特别是10至80重量%的CuO ,和> = 5重量%,优选5至95重量%,特别是20至90重量%的氧化载体,并将从第一氢化步骤除去的产物混合物不经进一步纯化引入到 第二加氢阶段。

    Catalyst and method for the production of polytetrahydrofuran
    112.
    发明授权
    Catalyst and method for the production of polytetrahydrofuran 有权
    用于生产聚四氢呋喃的催化剂和方法

    公开(公告)号:US07041752B2

    公开(公告)日:2006-05-09

    申请号:US10481564

    申请日:2002-06-24

    IPC分类号: B01J29/06

    摘要: Polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers are prepared by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer, which is in the form of shaped catalyst bodies or catalyst particles having a volume of the individual shape of the body or particle of at least 0.05 mm3, preferably at least 0.2 mm3, in particular 1 mm3, and has at least one of the features a) and b): a) a pore radius distribution having at least one maximum in the pore radius range from 100 to 5000 Å, b) a pore volume of catalyst pores having radii of 200–3000 Å of greater than 0.05 cm3/g and/or a pore volume of pores having radii of 200–5000 Å of greater than 0.075 cm3/g and/or a pore volume of pores having radii of >200 Å of greater than 0.1 cm3/g.

    摘要翻译: 这些聚合物的聚四氢呋喃,聚四氢呋喃共聚物,二酯或单酯通过四氢呋喃在至少一种具有各种形状的成型催化剂体或催化剂颗粒的形式的存在下, 至少0.05mm 3的体或颗粒,优选至少0.2mm 3,特别是1mm 3,并且具有至少一个 的特征a)和b):a)孔半径分布在孔半径范围内具有至少一个最大值为100至5000,b)具有大于0.05的半径的催化剂孔的孔体积为200-3000 cm 3 / g和/或具有大于0.075cm 3 / g的半径为200-5000的孔的孔体积和/或具有 > 200的半径大于0.1cm 3 / g。

    Foam material consisting predominantly of carbon having a high inner surface and method for the production thereof
    113.
    发明申请
    Foam material consisting predominantly of carbon having a high inner surface and method for the production thereof 审中-公开
    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

    IPC分类号: C08G18/02 C08G18/06

    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

    Method for the production of 1,4- butanediol
    116.
    发明申请
    Method for the production of 1,4- butanediol 失效
    1,4-丁二醇生产方法

    公开(公告)号:US20050182281A1

    公开(公告)日:2005-08-18

    申请号:US10517263

    申请日:2003-06-10

    摘要: The present invention relates to a process for preparing optionally alkyl-substituted 1,4-butanediol by two-stage catalytic hydrogenation in the gas phase of C4-dicarboxylic acids and/or of derivatives thereof having the following steps: a) introducing a gas stream of a C4-dicarboxylic acid or of a derivative thereof at from 200 to 300° C. and from 10 to 100 bar into a first reactor or into a first reaction zone of a reactor and catalytically hydrogenating it in the gas phase to a product which contains mainly optionally alkyl-substituted y-butyrolactone; b) introducing the product stream obtained in this way into a second reactor or into a second reaction zone of a reactor at a temperature of from 140° C to 260° C. and catalytically hydrogenating it in the gas phase to optionally alkyl-substituted 1,4-butanediol; steps a) and b) being carried out at the same pressure; c) removing the desired product from intermediates, by-products and any unconverted reactants; d) optionally recycling unconverted intermediates into one or both hydrogenation stages, said hydrogenation stages each using a catalyst which comprises ≦95% by weight, preferably from 5 to 95% by weight, in particular from 10 to 80% by weight, of CuO, and ≧5% by weight, preferably from 5 to 95% by weight, in particular from 20 to 90% by weight, of an oxidic support, and the product mixture removed from the first hydrogenation stage being introduced without further purification into the second hydrogenation stage.

    摘要翻译: 本发明涉及通过在具有下列物质的C 4 - 二羧酸和/或其衍生物的气相中通过两阶段催化氢化制备任选的烷基取代的1,4-丁二醇的方法 步骤:a)将200-300℃和10-100巴的C 4-14二羧酸或其衍生物的气流引入第一反应器或第一反应 并将其在气相中催化氢化成主要包含烷基取代的γ-丁内酯的产物; b)将以这种方式获得的产物流引入第二反应器或反应器的第二反应区,温度为140℃至260℃,并将其在气相中催化氢化为任选烷基取代的1 ,4-丁二醇; 步骤a)和b)在相同的压力下进行; c)从中间体,副产物和任何未转化的反应物中除去所需的产物; d)任选地将未转化的中间体再循环到一个或两个氢化阶段中,所述氢化阶段各自使用包含<= 95重量%,优选5至95重量%,特别是10至80重量%的CuO ,和> = 5重量%,优选5至95重量%,特别是20至90重量%的氧化载体,并将从第一氢化步骤除去的产物混合物不经进一步纯化引入到 第二加氢阶段。

    Method for the simultaneous production of tetrahydrofurans ad pyrrolidones
    117.
    发明申请
    Method for the simultaneous production of tetrahydrofurans ad pyrrolidones 有权
    同时生产四氢呋喃和吡咯烷酮的方法

    公开(公告)号:US20050119494A1

    公开(公告)日:2005-06-02

    申请号:US10505706

    申请日:2003-02-28

    CPC分类号: C07D207/267 C07D307/08

    摘要: A process for coproducing alkyl-substituted or unsubstituted THF and pyrrolidones by catalytically hydrogenating C4-dicarboxylic acids and/or derivatives thereof in the gas phase in the presence of copper catalysts and reacting GBL with ammonia or primary amines to give pyrrolidones comprises a) hydrogenating C4-dicarboxylic acids and/or derivatives thereof in the gas phase at from 200 to 300° C., from 0.1 to 100 bar, catalyst hourly space velocities of from 0.01 to 1 kg of reactant/l of catalyst*hour and reactant/hydrogen molar ratios of from 20 to 800 in the presence of catalysts comprising copper, aluminum and/or zinc to give mixtures of THF and GBL, b) separating the hydrogenation effluent obtained by distillation into a THF/water mixture as the top product and a GBL-containing bottom product, c) separating the THF/water mixture from step b) in a distillation facility consisting of three columns by withdrawing water from the bottom of the first column, recycling water-containing THF from the second into the first column, passing a side stream of the first into the second column, recycling the bottom product of the third column into the first column and withdrawing a distillate at the top of the first column, wherein a side stream of the second column is passed into the third column and the pure THF is obtained as the top product of the third column, d) recovering GBL from the GBL-containing bottom product from step b) by distillation and e) reacting the GBL obtained with ammonia or amines to give corresponding pyrrolidones.

    摘要翻译: 在铜催化剂存在下,在气相中催化氢化C 4 - 二羧酸和/或其衍生物,共同生产烷基取代或未取代的THF和吡咯烷酮的方法,并使GBL与氨或伯胺 得到吡咯烷酮包括:a)在200-300℃,0.1-100巴的气相中氢化C 4-14 - 二羧酸和/或其衍生物,催化剂小时空速为0.01 在包含铜,铝和/或锌的催化剂存在下,至1kg反应物/ l催化剂*小时和反应物/氢摩尔比为20至800,得到THF和GBL的混合物,b)分离所得氢化流出物 通过蒸馏作为顶部产物的THF /水混合物和含有GBL的底部产物,c)通过从第一塔底部排出水分离由三塔组成的蒸馏设备中的步骤b)中的THF /水混合物 ,回收 将含水THF从第二塔进入第一塔,将第一塔的侧流通入第二塔,将第三塔的底部产物再循环到第一塔中并抽出第一塔顶部的馏出物,其中 将第二塔的侧流进入第三塔,得到纯THF作为第三塔的顶部产物,d)通过蒸馏从步骤b)的含GBL的底部产物中回收GBL,和e)使 用氨或胺得到GBL,得到相应的吡咯烷酮。