Selective alkylation of aromatic hydrocarbons
    1.
    发明申请
    Selective alkylation of aromatic hydrocarbons 失效
    芳烃选择性烷基化

    公开(公告)号:US20060178544A1

    公开(公告)日:2006-08-10

    申请号:US11053559

    申请日:2005-02-08

    IPC分类号: C07C2/68

    摘要: A method for increasing selectivity of alkylation to monoalkylation comprising: providing a feedstream consisting essentially of alkylating agent and a stoichiometric excess of benzene, the alkylating agent consisting essentially of a molar blend of propylene and one or more linear butene(s); and, contacting the feedstream with a catalytically effective amount of zeolite beta under alkylation reaction conditions which increase selectivity of the alkylation to monoalkylation compared to predicted selectivity to monoalkylation based on the concentration of the alkylating agent and on the molar blend of propylene and one or more linear butene(s).

    摘要翻译: 提高烷基化至单烷基化选择性的方法,包括:提供基本上由烷基化剂和化学计量过量的苯组成的原料流,烷基化剂主要由丙烯与一种或多种直链丁烯的摩尔共混物组成; 并且在烷基化反应条件下使进料流与催化有效量的沸石β接触,其与基于烷基化试剂的浓度和丙烯与一种或多种摩尔共混物的预测的单烷基化选择性相比,增加了烷基化对单烷基化的选择性 线性丁烯。

    Graft copolymerized compositions
    6.
    发明授权
    Graft copolymerized compositions 失效
    接枝共聚组合物

    公开(公告)号:US5869576A

    公开(公告)日:1999-02-09

    申请号:US987959

    申请日:1997-12-10

    CPC分类号: C08F255/00

    摘要: Relatively low molecular weight Olefin/CO copolymers are graft copolymerized with vinyl monomers by the exposure of a mixture of a dispersion of the two to high energy radiation such as .gamma. ray radiation. Styrene is an example of a monomer useful in forming the graft copolymer. The graft copolymers are useful as waterborne glues particularly in the preparation of wood composites.

    摘要翻译: 相对低分子量烯烃/ CO共聚物通过将两者的分散体的混合物暴露于高能辐射如γ射线辐射而与乙烯基单体接枝共聚。 苯乙烯是可用于形成接枝共聚物的单体的实例。 接枝共聚物可用作水性胶,特别是在木材复合材料的制备中。

    Selective alkylation of aromatic hydrocarbons
    9.
    发明授权
    Selective alkylation of aromatic hydrocarbons 失效
    芳烃选择性烷基化

    公开(公告)号:US07348465B2

    公开(公告)日:2008-03-25

    申请号:US11053559

    申请日:2005-02-08

    IPC分类号: C07C2/68

    摘要: A method for increasing selectivity of alkylation to monoalkylation comprising: providing a feedstream consisting essentially of alkylating agent and a stoichiometric excess of benzene, the alkylating agent consisting essentially of a molar blend of propylene and one or more linear butene(s); and, contacting the feedstream with a catalytically effective amount of zeolite beta under alkylation reaction conditions which increase selectivity of the alkylation to monoalkylation compared to predicted selectivity to monoalkylation based on the concentration of the alkylating agent and on the molar blend of propylene and one or more linear butene(s).

    摘要翻译: 提高烷基化至单烷基化选择性的方法,包括:提供基本上由烷基化剂和化学计量过量的苯组成的原料流,烷基化剂主要由丙烯与一种或多种直链丁烯的摩尔共混物组成; 并且在烷基化反应条件下使进料流与催化有效量的沸石β接触,其与基于烷基化试剂的浓度和丙烯与一种或多种摩尔共混物的预测的单烷基化选择性相比,增加了烷基化对单烷基化的选择性 线性丁烯。