Process for the production of 2,6-dimethylnaphthalene
    1.
    发明授权
    Process for the production of 2,6-dimethylnaphthalene 有权
    生产2,6-二甲基萘的方法

    公开(公告)号:US07812204B2

    公开(公告)日:2010-10-12

    申请号:US11576412

    申请日:2005-11-30

    IPC分类号: C07C5/27 C07C6/12 C07C2/64

    摘要: The invention relates to a multi-step chemical transformation process for the production of 2,6-dimethylnaphthalene starting from one or more naphthalene hydrocarbons or hydrocarbon blends containing the same, one or more benzene hydrocarbons and, optionally, a methylating agent reacted in the presence of a catalyst containing a zeolite belonging to the MTW structural group, where hydrogen is fed in at least one of the steps.

    摘要翻译: 本发明涉及从一种或多种萘烃或含有它们的烃共混物,一种或多种苯烃和任选的甲基化剂在存在下反应的生产2,6-二甲基萘的多步化学转化方法 的含有属于MTW结构基团的沸石的催化剂,其中在至少一个步骤中进料氢。

    Process for the Production of 2,6-Dimethylnaphthalene
    2.
    发明申请
    Process for the Production of 2,6-Dimethylnaphthalene 有权
    2,6-二甲基萘的制备方法

    公开(公告)号:US20070265480A1

    公开(公告)日:2007-11-15

    申请号:US11576412

    申请日:2005-11-30

    IPC分类号: C07C15/24

    摘要: The invention relates to a multi-step chemical transformation process for the production of 2,6-dimethylnaphthalene starting from one or more naphthalene hydrocarbons or hydrocarbon blends containing the same, one or more benzene hydrocarbons and, optionally, a methylating agent reacted in the presence of a catalyst containing a zeolite belonging to the MTW structural group, where hydrogen is fed in at least one of the steps.

    摘要翻译: 本发明涉及从一种或多种萘烃或含有它们的烃共混物,一种或多种苯烃和任选的甲基化剂在存在下反应的生产2,6-二甲基萘的多步化学转化方法 的含有属于MTW结构基团的沸石的催化剂,其中在至少一个步骤中进料氢。

    Process for the Recycling of Expanded Polystyrene
    9.
    发明申请
    Process for the Recycling of Expanded Polystyrene 有权
    膨胀聚苯乙烯回收方法

    公开(公告)号:US20080221228A1

    公开(公告)日:2008-09-11

    申请号:US11996075

    申请日:2006-06-28

    IPC分类号: C08J11/08

    摘要: The invention relates to an enhanced process for the recycling of expanded polystyrene. Said process essentially comprises the reduction in volume of expanded polystyrene by means of dissolution in a solvent, separation of the insoluble components, selective precipitation of the polystyrene with an anti-solvent, separation, drying and extrusion of the precipitated polystyrene, recovery by distillation and recycling of the solvent. The process is characterized in that the anti-solvent is a butanol selected form n-butanol, iso-butanol or sec-butanol and the solvent is dimethyl carbonate, alone or in a mixture containing up to 25% by weight of butanol.

    摘要翻译: 本发明涉及一种用于再发泡聚苯乙烯的增强方法。 所述方法基本上包括通过在溶剂中的溶解减少发泡聚苯乙烯的体积,分离不溶组分,用抗溶剂选择性沉淀聚苯乙烯,分离,干燥和挤出沉淀的聚苯乙烯,通过蒸馏回收和 回收溶剂。 该方法的特征在于,反溶剂是选自正丁醇,异丁醇或仲丁醇的丁醇,溶剂是单独的碳酸二甲酯或含至多25重量%丁醇的混合物。

    Process for producing 1-octene from butadiene in the presence of titanium catalysts
    10.
    发明申请
    Process for producing 1-octene from butadiene in the presence of titanium catalysts 有权
    在钛催化剂存在下由丁二烯生产1-辛烯的方法

    公开(公告)号:US20070179327A1

    公开(公告)日:2007-08-02

    申请号:US10576463

    申请日:2004-10-11

    IPC分类号: C07C2/00

    摘要: A method is described for the preparation of 1-octene starting from butadiene, wherein in a first step (a) the bis-hydrodimerization of butadiene to 1,7-octadiene is effected in the presence of a catalyst based on palladium containing one or more tri-substituted monodentate phosphines, in an aprotic polar solvent, in a second step (b) the partial catalytic hydrogenation of 1,7-octadiene to 1-octene is effected in the presence of a titanium compound activated with one or more metal alkyls of group 13 (selected from boron, aluminum, gallium, indium).

    摘要翻译: 描述了从丁二烯开始制备1-辛烯的方法,其中在第一步(a)中,丁二烯至1,7-辛二烯的双加氢二聚作用是在催化剂存在下进行的,所述催化剂基于含有一种或多种 在非质子极性溶剂中,三取代的单齿膦在第二步(b)中,将1,7-辛二烯部分催化氢化成1-辛烯在钛化合物的存在下进行,所述钛化合物用一种或多种金属烷基 13族(选自硼,铝,镓,铟)。