IN-SITU PREPARATION OF HYDROPEROXIDE FUNCTIONALIZED RUBBER
    52.
    发明公开
    IN-SITU PREPARATION OF HYDROPEROXIDE FUNCTIONALIZED RUBBER 审中-公开
    氢氧化物功能化橡胶的原位制备

    公开(公告)号:EP1883670A2

    公开(公告)日:2008-02-06

    申请号:EP06752171.6

    申请日:2006-05-04

    IPC分类号: C08J3/28

    CPC分类号: C08J3/28 C08C19/04

    摘要: [0035] A process for the preparation of a hydroperoxide functionalized rubber compound by the conversion of triplet state oxygen to singlet state oxygen in the presence of oxygen and a light-induced photoreductant. A dispersion of an unsaturated rubber component in a carrier solvent is introduced into a reactor containing a permeable catalyst bed comprising a light-induced photoreductant component supported on a particulate substrate component and passed through the catalyst bed. A gaseous oxidizing agent is passed through the catalyst bed in contact with the rubber-containing dispersion. The catalyst bed is irradiated with electromagnetic light radiation in the ultraviolet or visible light range at an intensity sufficient to convert triplet oxygen in the oxygenated rubber component to singlet oxygen. The oxygenated rubber component is then recovered from the reactor. The reactor can comprise a tubular outer shell and a tubular inner member having a permeable wall defining an annular space containing photoreductant-supported substrate material. The oxidizing agent is introduced into the inner member and radially dispersed outward from this member into contact with the supported photoreductant. The solvent rubber component is concurrently passed into contact with the catalyst bed.

    摘要翻译: 通过在氧气和光诱导的光还原剂存在下将三重态氧转化为单线态氧来制备氢过氧化物官能化橡胶化合物的方法。 将不饱和橡胶组分在载体溶剂中的分散体引入到含有可渗透催化剂床的反应器中,所述可渗透催化剂床包含承载在颗粒基质组分上并通过催化剂床的光诱导光还原剂组分。 气态氧化剂通过与含橡胶分散体接触的催化剂床。 催化剂床用紫外线或可见光范围内的电磁辐射照射,其强度足以将含氧橡胶组分中的三重态氧转化为单线态氧。 然后从反应器中回收含氧橡胶组分。 反应器可以包括管状外壳和具有可渗透壁的管状内部部件,所述可渗透壁限定包含光还原剂支撑的基底材料的环形空间。 氧化剂被引入内部构件并从该构件径向分散到与被支撑的光还原剂接触。 溶剂橡胶组分同时与催化剂床接触。

    NOVEL COMBINATIONS OF SILANE ELECTRON DONORS FOR USE IN CATALYST COMPOSITIONS
    53.
    发明公开
    NOVEL COMBINATIONS OF SILANE ELECTRON DONORS FOR USE IN CATALYST COMPOSITIONS 有权
    FOR USE IN催化剂组合物的硅烷电子供体新组合

    公开(公告)号:EP1877450A2

    公开(公告)日:2008-01-16

    申请号:EP06752193.0

    申请日:2006-05-03

    IPC分类号: C08F4/44

    摘要: Disclosed is a process for preparing an olefinic polymer comprising contacting at least one olefinic C3+ monomer and a catalyst composition comprising a Ziegler-Natta catalyst, dicyclopentyl dimethoxysilane as a first electron donor, and a second electron donor selected from the group consisting of methyl trimethoxysilane, methyl triethoxysilane, dimethyl dimethoxysilane, and mixtures thereof, under reaction conditions suitable to form an olefinic polymer. The polymer prepared using this method may exhibit significantly broadened molecular weight distribution than that achieved using any of the silane compounds alone, and may also exhibit desirable melt flow characteristics and xylene solubles levels.

    CRITICAL PHASE ALKYLATION PROCESS
    55.
    发明公开
    CRITICAL PHASE ALKYLATION PROCESS 审中-公开
    烷基化关键阶段

    公开(公告)号:EP1851184A2

    公开(公告)日:2007-11-07

    申请号:EP06735190.8

    申请日:2006-02-15

    IPC分类号: C07C2/64 C07C15/067

    摘要: A process for the production of ethylbenzene by the ethylation of benzene in the critical phase in a reaction zone containing a molecular sieve aromatic alkylation catalyst comprising cerium-promoted zeolite beta. A polyethylbenzene is supplied into the reaction zone and into contact with the cerium-promoted zeolite beta having a silica/alumina mole ratio within the range of 20-500. The reaction zone is operated at temperature and pressure conditions in which benzene is in the supercritical phase to cause ethylation of the benzene and the transalkylation of polyethylbenzene and benzene in the presence of the zeolite beta catalyst. An alkylation product is produced containing ethylbenzene as a primary product with the attendant production of heavier alkylated byproducts of no more than 60 wt.% of the ethylbenzene. The alkylation reaction zone is operated under conditions providing a composite byproduct yield of propyl benzene and butyl benzene relative to ethylbenzene, which is no more than one half of the corresponding yield byproduct for zeolite beta promoted with lanthanum. The production of ethylbenzene in the critical phase alkylation reaction zone is attended by recycle of a polyalkylated aromatic component of the reaction product back to the reaction zone.

    METHOD FOR IMPROVED PRODUCTION OF CYCLOHEXENYL AND ALKENYL AROMATIC COMPOUNDS
    56.
    发明公开
    METHOD FOR IMPROVED PRODUCTION OF CYCLOHEXENYL AND ALKENYL AROMATIC COMPOUNDS 审中-公开
    VERFAHREN ZUR VERBESSERTEN HERSTELLUNG VON CYCLOHEXENYL- UND ALKENYLAROMATISCHEN VERBINDUNGEN

    公开(公告)号:EP1727860A2

    公开(公告)日:2006-12-06

    申请号:EP04784337.0

    申请日:2004-09-17

    IPC分类号: C08L1/00

    摘要: Disclosed is an improvement in a process of preparing cyclohexenyl and alkenyl aromatic compounds, such as styrene, that enables economical and convenient removal of nitrogen compounds. The nitrogen compounds can be stabilizers or neutralizers or derived from stabilizers or neutralizers added to prevent styrene homopolymerization. The nitrogen compounds are removed from, in the case of styrene production, the benzene fraction that results from dehydrogenation of ethylbenzene. Because of the preferential solubility of nitrogen compounds in water, a majority of such compounds can be removed by intimately contacting the benzene fraction with sufficient water, at an appropriate point in the rocess, and then removing most or all of the water with the entrained nitrogen compounds.

    摘要翻译: 本文描述了石油化学原料流净化的方法和系统。 所述方法通常包括提供石油化学原料,其中石油化学原料包括极性杂质的浓度,使石油化学原料与洗涤剂接触以从其中除去至少一部分极性杂质,从洗涤剂与石油化学原料分离形成 纯化的原料并将纯化的原料送至石化工艺。 在一个实施方案中,石油化学原料包括苯,洗涤剂包括水。

    A process for co-polymerization of olefins
    59.
    发明公开
    A process for co-polymerization of olefins 失效
    Verfahren zur Copolymerisation von Olefinen

    公开(公告)号:EP1645570A2

    公开(公告)日:2006-04-12

    申请号:EP06100341.4

    申请日:1998-04-22

    IPC分类号: C08F4/642 C08F210/16

    摘要: The present invention provides a process for control of desired properties in the polymer product. The catalyst system used in the process includes a supported metallocene catalyst precursor in combination with an oxyorganoaluminum. The process can be applied to the co-polymerization of propylene and ethylene. The randomness of the ethylene incorporation of the co-polymer product is increased as the amount of ethylene in the feed is increased. The amount of ethylene in the feed is up to 6 wt% with a resulting amount of ethylene incorporated into the copolymer product up to 4 mole %.

    摘要翻译: 本发明提供了一种控制聚合物产品中所需性能的方法。 在该方法中使用的催化剂体系包括与氧有机铝结合的负载金属茂催化剂前体。 该方法可用于丙烯和乙烯的共聚。 随着进料中乙烯的量增加,共聚物产物的乙烯掺入的随机性增加。 进料中乙烯的量高达6重量%,所得量的乙烯加入到共聚物产物中高达4摩尔%。