Preparation of ethynylbenzenes
    3.
    发明授权
    Preparation of ethynylbenzenes 失效
    制备乙炔基苯

    公开(公告)号:US4120909A

    公开(公告)日:1978-10-17

    申请号:US823882

    申请日:1977-08-11

    申请人: Ali Amirnazmi

    发明人: Ali Amirnazmi

    IPC分类号: C07C1/24 C07C15/09

    摘要: Ethynylbenzenes are prepared by the vapor phase catalytic dehydration of methyl phenyl ketones. The dehydration process is carried out at temperatures of from about 500.degree. to about 650.degree. C. using an alumina-containing catalyst. An example of the process is the dehydration of acetophenone to form phenylacetylene.

    摘要翻译: 乙炔基苯通过气相催化脱水制备甲基苯基酮。 脱水过程使用含氧化铝的催化剂在约500℃至约650℃的温度下进行。 该方法的一个实例是苯乙酮的脱水形成苯乙炔。

    Process for alkylating aromatic hydrocarbons with synthetic
hectorite-type clay catalyst
    5.
    发明授权
    Process for alkylating aromatic hydrocarbons with synthetic hectorite-type clay catalyst 失效
    用合成锂蒙脱石型粘土催化剂烷基化芳烃的方法

    公开(公告)号:US4046826A

    公开(公告)日:1977-09-06

    申请号:US698104

    申请日:1976-06-21

    申请人: George E. Stridde

    发明人: George E. Stridde

    摘要: Alkylatable aromatic hydrocarbons are alkylated with olefins and alkylhalides under anhydrous alkylating conditions in the presence of certain metallic cation exchanged synthetic hectorite-type catalysts in which the metallic cation has a Pauling electronegativity greater than 1.0 and in which the central octahedral layer contains one or more divalent metals which have an ionic radius not greater than 0.75 A. In a specific embodiment, 1-dodecene is reacted with benzene by contacting the dodecene and benzene under anhydrous alkylating conditions in the liquid phase at the boiling point of the mixture with a catalyst comprising a metallic cation such as Al.sup.3+, In.sup.3+, and Cr.sup.3+ exchanged onto the surface of a synthetic nickeliferous hectorite.

    摘要翻译: 在一些金属阳离子交换的合成锂蒙脱石型催化剂存在下,在无水烷基化条件下,可烯烃和烷基卤化物烷基化,其中金属阳离子的鲍林电负性大于1.0,其中中心八面体层含有一个或多个二价 离子半径不大于0.75A的金属。在一个具体实施方案中,1-十二碳烯与苯反应,通过在液相中的无水烷基化条件下将十二烯和苯与混合物的沸点与含有 金属阳离子如Al3 +,In3 +和Cr3 +交换在合成含镍锂蒙脱石的表面上。

    Aromatic hydrocarbon dehydrogenation process
    6.
    发明授权
    Aromatic hydrocarbon dehydrogenation process 失效
    芳烃脱氢工艺

    公开(公告)号:US4113787A

    公开(公告)日:1978-09-12

    申请号:US758092

    申请日:1977-01-10

    申请人: Dennis J. Ward

    发明人: Dennis J. Ward

    摘要: Alkylaromatic hydrocarbons including ethylbenzene are dehydrogenated in a vapor phase reactant stream, preferably at subatmospheric conditions. The resultant reaction zone effluent is partially condensed and then separated in a subatmospheric product settler. Hydrocarbons from the product settler are fractionated to yield a styrene bottoms stream, an overhead liquid recycled to the reaction zone and an overhead vapor. This vapor is admixed with vapors from the product settler, compressed to a superatmospheric pressure, and partially condensed to form a liquid which is fractionated to remove the net light aromatic hydrocarbons produced in the process.

    摘要翻译: 包括乙苯在内的烷基芳族烃在气相反应物流中脱氢,优选在低于大气压的条件下脱氢。 所得反应区流出物部分冷凝,然后在低于大气压的产物沉降器中分离。 将来自产物沉降器的碳氢化合物分馏以产生苯乙烯塔底物流,再循环至反应区的塔顶液体和塔顶蒸气。 将该蒸气与来自产物沉降器的蒸气混合,压缩至超大气压,并部分冷凝以形成液体,其被分馏以除去在该过程中产生的净光芳烃。

    Process for preparing alkenylbenzenes
    8.
    发明授权
    Process for preparing alkenylbenzenes 失效
    烯基苯的制备方法

    公开(公告)号:US4018840A

    公开(公告)日:1977-04-19

    申请号:US536128

    申请日:1974-12-24

    IPC分类号: C07C2/72 C07C15/09

    CPC分类号: C07C2/72 C07C2523/04

    摘要: In the process for preparing alkenylbenzene by the catalytic reaction of alkylbenzenes and 1,3-butadiene in the presence of an alkali metal catalyst, the improvement which comprises effecting the preliminary contact of the freshly fed alkylbenzene with the reaction product of said catalyst reaction and thereafter catalytically reacting said alkylbenzene with said 1,3-butadiene.

    摘要翻译: 在碱金属催化剂存在下,通过烷基苯和1,3-丁二烯的催化反应制备烯基苯的方法,其改进包括进行新鲜进料的烷基苯与所述催化剂反应的反应产物之间的预接触 使所述烷基苯与所述1,3-丁二烯催化反应。