Process for hydrogenating unsaturated polymers
    2.
    发明授权
    Process for hydrogenating unsaturated polymers 有权
    氢化不饱和聚合物的方法

    公开(公告)号:US06395841B1

    公开(公告)日:2002-05-28

    申请号:US09717866

    申请日:2000-11-21

    IPC分类号: C08F804

    CPC分类号: C08C19/02 C08F8/04

    摘要: The present invention is a continuous process for hydrogenating an unsaturated polymer comprising: contacting the unsaturated polymer with a hydrogenating agent in a fixed bed reactor, wherein the reactor is packed with a hydrogenation catalyst characterized in that the hydrogenation catalyst comprises a Group VIII metal component and at least one deactivation resistant component.

    摘要翻译: 本发明是用于氢化不饱和聚合物的连续方法,包括:在固定床反应器中使不饱和聚合物与氢化剂接触,其中反应器装有氢化催化剂,其特征在于氢化催化剂包含第VIII族金属组分和 至少一种失活抗性组分。

    Process for making 2,3-dihalopropanols
    3.
    发明授权
    Process for making 2,3-dihalopropanols 失效
    制备2,3-二卤代丙醇的方法

    公开(公告)号:US06350922B1

    公开(公告)日:2002-02-26

    申请号:US09464682

    申请日:1999-12-16

    IPC分类号: C07C2938

    CPC分类号: C07C29/141 C07C31/36

    摘要: A process for making 2,3-dihalopropanol including reacting 2,3-dihalopropanal with a hydrogenating agent in the presence of an iridium and a second transition metal mixed metal catalyst where the second transition metal is selected from the group comprising ruthenium, iron, molybdenum, tungsten, rhenium, osmium, manganese or vanadium, under conditions such that 2,3-dihalopropanol is formed. The 2,3-dihalopropanol is particularly useful in a process for making epihalohydrin.

    摘要翻译: 一种制备2,3-二卤丙醇的方法,包括在铱和第二过渡金属混合金属催化剂存在下使2,3-二卤代丙醛与氢化剂反应,其中第二过渡金属选自钌,铁,钼 钨,铼,锇,锰或钒,形成2,3-二卤丙醇的条件下进行。 2,3-二卤丙醇在制备表卤代醇的方法中特别有用。

    Redispersal of Ru, Os, Rh and Pd catalysts and processes therewith
    6.
    发明授权
    Redispersal of Ru, Os, Rh and Pd catalysts and processes therewith 失效
    Ru,Os,Rh和Pd催化剂的再分散和其处理

    公开(公告)号:US4891346A

    公开(公告)日:1990-01-02

    申请号:US833642

    申请日:1986-02-25

    申请人: Dennis A. Hucul

    发明人: Dennis A. Hucul

    IPC分类号: B01J23/96 B01J38/42

    CPC分类号: B01J23/96 B01J38/42

    摘要: Included is a process for redispersing catalysts wherein the catalyst metal is selected from the group consisting of ruthenium, osmium, rhodium and palladium comprising contacting the catalyst serially with (1) a reducing agent; (2) a halogen redispersing agent; and (3) a reducing agent, under conditions sufficient to redisperse the sintered catalyst. A preliminary oxygen treatment is optional. Also included are the novel catalysts such as redispersed by the foregoing process and processes in which sintered catalysts are redispersed and in which the redispersed catalysts are employed.The redispersed catalysts can have very high activity and can even have activity higher than originally found. A preferred metal is palladium and a preferred support is alumina.A preferred process for employing the redispersed catalyst is the production of .alpha.-substituted acrylate esters. For example, methylmethacrylate can be prepared from carbon monoxide, 2-chloropropene and methanol in the presence of the redispersed palladium on alumina catalyst.

    摘要翻译: 包括用于再分散催化剂的方法,其中催化剂金属选自钌,锇,铑和钯,包括使催化剂与(1)还原剂连续接触; (2)卤素再分散剂; 和(3)还原剂,在足以重新分散烧结催化剂的条件下。 初步氧气处理是可选的。 还包括通过前述方法再分散的新型催化剂和其中烧结催化剂再分散并且其中使用再分散的催化剂的方法。 再分散的催化剂可以具有非常高的活性,甚至可以具有比最初发现的活性更高的活性。 优选的金属是钯,优选的载体是氧化铝。 使用再分散催化剂的优选方法是制备α-取代的丙烯酸酯。 例如,甲基丙烯酸甲酯可以在再分散的氧化钯催化剂存在下由一氧化碳,2-氯丙烯和甲醇制备。

    Fuel Cells with Improved Durability
    7.
    发明申请
    Fuel Cells with Improved Durability 审中-公开
    燃料电池具有改善的耐用性

    公开(公告)号:US20120237855A1

    公开(公告)日:2012-09-20

    申请号:US13513576

    申请日:2010-12-08

    IPC分类号: H01M4/96

    摘要: A modified carbon-supported metal catalyst is disclosed which has durability and activity wherein the surface of the carbon support has been modified by the addition of silicon carbides or boron carbides made by calcination. This catalyst is used as a catalyzed electrode in fuel cells.

    摘要翻译: 公开了一种改性的碳负载金属催化剂,其具有耐久性和活性,其中通过加入通过煅烧制备的碳化硅或碳化硼,碳载体的表面已被改性。 该催化剂用作燃料电池中的催化电极。

    Syngas conversion to oxygenates by reduced
yttrium/lanthanide/actinide-modified catalyst
    10.
    发明授权
    Syngas conversion to oxygenates by reduced yttrium/lanthanide/actinide-modified catalyst 失效
    合成气通过还原的钇/镧系元素/锕系元素改性催化剂转化为含氧化合物

    公开(公告)号:US4762858A

    公开(公告)日:1988-08-09

    申请号:US925456

    申请日:1986-10-31

    IPC分类号: C07C27/06 C07C29/153

    摘要: A process for the conversion of a mixture of synthesis gas into preponderantly C.sub.1-10 oxygenated hydrocarbons and especially C.sub.1-5 mixed alcohols using a reduced catalyst of the necessary components of(1) niobium, tantalum, molybdenum, tungsten, technetium and/or rhenium; and(2) yttrium, a lanthanide and/or actinide series metal;and the optional components of(3) a promoter; and/or(4) a support.High synthesis gas conversions are possible in large part due to the high catalytic activity of the reduced catalyst. The reduced catalyst composition itself with yttrium as cocatalyst metal or promoted with special levels of a Fisher-Tropsch promoter.

    摘要翻译: 使用(1)铌,钽,钼,钨,锝和/或铼的必需组分的还原催化剂将合成气的混合物转化为主要的C1-10氧化烃,特别是C1-5混合醇的方法 ; 和(2)钇,镧系元素和/或锕系金属; 和(3)启动子的任选组分; 和/或(4)支撑。 由于还原催化剂的高催化活性,高合成气转化可能在很大程度上是可能的。 还原的催化剂组合物本身具有钇作为助催化剂金属或用特殊水平的费 - 托启动子促进。