Silica-supported polymerisation catalyst
    31.
    发明申请
    Silica-supported polymerisation catalyst 失效
    二氧化硅负载的聚合催化剂

    公开(公告)号:US20060153763A1

    公开(公告)日:2006-07-13

    申请号:US10524435

    申请日:2003-08-14

    IPC分类号: C01B33/00

    摘要: A process for the preparation of a silicon containing transition metal compound comprises the steps of (a) non-hydrolytic sol-gel condensation of a silane of formula LxSiQn wherein L is a π-bonded ligand, Q is an anionic ligand, and x+n=4 with a halogenated silane (or siloxane) and an alkoxysilane, (b) optionally alkylation, (c) deprotonation and (d) addition of a transition metal compound. The novel process allows for the preparation of transition metal compounds which may suitably be used with cocatalysts for the polymerisation of olefins, in particular for such processes carried out in the gas phase.

    摘要翻译: 一种制备含硅过渡金属化合物的方法包括以下步骤:(a)式L 1 x SiQ n的硅烷的非水解溶胶 - 凝胶缩合,其中L是π键合的配体, Q是阴离子配体,x + n = 4,卤代硅烷(或硅氧烷)和烷氧基硅烷,(b)任选烷基化,(c)去质子化和(d)加入过渡金属化合物。 该新方法允许制备适合与助催化剂一起使用的烯烃聚合的过渡金属化合物,特别是用于在气相中进行的这些方法。

    Polymerization process catalyzed by a bidentate bisphosphine-group VIII metal complex
    33.
    发明授权
    Polymerization process catalyzed by a bidentate bisphosphine-group VIII metal complex 失效
    由二齿双膦Ⅷ族金属络合物催化的聚合方法

    公开(公告)号:US07022788B2

    公开(公告)日:2006-04-04

    申请号:US10062673

    申请日:2002-02-05

    申请人: Duncan Frank Wass

    发明人: Duncan Frank Wass

    IPC分类号: C08F4/26 C08F4/70

    摘要: A process for the polymerization and copolymerization of olefins is disclosed, comprising contacting the monomeric olefin under polymerization conditions with a polymerization catalyst or catalyst system which comprises (a) a source of a Group VIII metal; (b) a bidentate phosphine ligand having the formula (R1)(R1)P—X—P(R1)(R1), where each R1 is independently selected from a phenyl group or a substitued phenyl group with the proviso that at least one of the R1 groups is a phenyl group having at least one ortho substituent, and X is a bridging group of the structure —[N]x—[P]y—[N]— where x and y are independently 0 or 1, or —C(R4)2— where R4 may be the same or different and is hydrogen or a monovavlent hydrocarbyl, substituted hydrocarbyl or hetero-hydrocarbyl group; and optionally (c) a promoter.

    摘要翻译: 公开了一种用于烯烃聚合和共聚的方法,包括在聚合条件下使单体烯烃与聚合催化剂或催化剂体系接触,所述聚合催化剂或催化剂体系包含(a)Ⅷ族金属源; (b)具有下式(R 1)的二齿膦配体(R 1)(PX 1)(R 1)(R 1) 其中每个R 1独立地选自苯基或取代的苯基,条件是至少一个R 1基团是 具有至少一个邻位取代基的苯基,X是结构的桥连基团 - [N] - [N - ] - [P] Y - - - - - [N] - 其中x和 y独立地为0或1,或-C(R 4)2 - ,其中R 4可以相同或不同,为氢或 单不饱和烃基,取代的烃基或杂烃基; 和任选地(c)启动子。

    Delayed activity supported olefin polymerization catalyst compositions and method for making and using the same

    公开(公告)号:US07012121B2

    公开(公告)日:2006-03-14

    申请号:US10880582

    申请日:2004-07-01

    IPC分类号: C08F4/44 C08F4/06

    摘要: Supported catalyst compositions use for use in the gas-phase polymerization of one or more α-olefins and methods for making and using the same, the catalyst composition including A) an inert support; B) a Group 4–10 metal complex corresponding to the formula: where M is a metal from one of Groups 4 to 10 of the Periodic Table of the Elements in the +2 or +4 formal oxidation state, Cp is a π-bonded anionic ligand group, Z is divalent moiety bound to Cp and bound to M by either covalent or coordinate/covalent bonds and contains boron or a member of Group 14 of the Periodic Table of the Elements, and also nitrogen, phosphorus, sulfur or oxygen, and X is a neutral conjugated diene ligand group having up to 60 atoms, or a dianionic derivative thereof; and C) an ionic cocatalyst capable of converting the metal complex into an active polymerization catalyst represented by the formula: [L*-H]+[(C6F5)3BC6H4—O—MORCx-1Xay]−, wherein L* is a neutral Lewis base, Mo is a metal or metalloid selected from Groups 1–14 of the Periodic Table of the Elements, RC independently each occurrence is a hydrogen or a hydrocarbyl, hydrocarbylsilyl, or hydrocarbysilylhydrocarbyl group having from 1 to 80 nonhydrogen atoms; Xa is a halo-substituted hydrocarbyl, hydrocarbylamino-substituted hydrocarbyl, hydrocarbyloxy-substituted hydrocarbyl, hydrocarbylamino, di(hydrocarbyl)amino, hydrocarbyloxy or halide noninterfering group having from 1 to 100 nonhydrogen atoms; x is an integer which ranges from 1 to an integer equal to the valence of MO; y is an integer which ranges from 0 to an integer equal to 1 less than the valence of MO; and x+y equals the valence of MO.

    Process for the production of vinyl acetate
    37.
    发明申请
    Process for the production of vinyl acetate 失效
    乙酸乙烯酯生产工艺

    公开(公告)号:US20010056201A1

    公开(公告)日:2001-12-27

    申请号:US09894792

    申请日:2001-06-28

    IPC分类号: C07C067/05 C07C067/02

    摘要: A process for the production of vinyl acetate which comprises contacting ethylene, acetic acid and an oxygen-containing gas with a supported palladium catalyst prepared by a process comprising the steps of (a) impregnating a catalyst support with a palladium compound, (b) converting the palladium compound to substantially metallic palladium, and (c) sintering the supported palladium at a temperature of greater than 500null C.

    摘要翻译: 一种制备乙酸乙烯酯的方法,其包括使乙烯,乙酸和含氧气体与负载的钯催化剂接触,所述负载的钯催化剂通过包括以下步骤的方法制备,所述方法包括以下步骤:(a)用钯化合物浸渍催化剂载体,(b)转化 钯化合物至基本上金属的钯,和(c)在大于500℃的温度下烧结负载的钯。

    Catalyst and use thereof in the production of vinyl acetate
    38.
    发明申请
    Catalyst and use thereof in the production of vinyl acetate 有权
    催化剂及其在制备乙酸乙烯酯中的应用

    公开(公告)号:US20010012818A1

    公开(公告)日:2001-08-09

    申请号:US09817064

    申请日:2001-03-27

    IPC分类号: B01J031/00

    摘要: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.

    摘要翻译: 一种用于生产乙酸乙烯酯的催化剂,其包括(1)催化剂载体,(2)钯,(3)酸,(4)至少一种乙酸催化剂促进剂和(5)至少一种乙酸乙烯酯促进剂 和/或共促进剂。 使用该催化剂从乙烯和含氧气体生产乙酸乙烯酯的方法。

    Equipment and process for gas-phase olefin polymerization
    39.
    发明授权
    Equipment and process for gas-phase olefin polymerization 失效
    气相烯烃聚合的设备和工艺

    公开(公告)号:US6056927A

    公开(公告)日:2000-05-02

    申请号:US915565

    申请日:1997-08-21

    摘要: The invention relates to an equipment for gas-phase polymerization of olefin(s), including a reactor with a fluidized and optionally mechanically stirred bed, and a conduit for withdrawing polymer, provided with an isolation valve, and a conduit for emptying polymer, provided with an isolation valve, the said conduits connecting the side wall of the reactor to a single recovery gas lock equipped with a discharge valve, equipment characterized in that the withdrawal conduit leaves the side wall of the reactor at a height of the reactor wall, above the fluidization grid, ranging from 0.60.times.H to 0.95.times.H, while being directed downwards, with the result that any part of the said conduit forms with a horizontal plane an angle A ranging from 35 to 90.degree., and in that the emptying conduit leaves the side wall of the reactor at a height of the reactor wall, above the fluidization grid, ranging from 0.01.times.H to 0.20.times.H.

    摘要翻译: 本发明涉及一种用于烯烃气相聚合的设备,包括具有流化和任选机械搅拌床的反应器和用于提取聚合物的导管,设有隔离阀,以及用于排空聚合物的管道 具有隔离阀,所述管道将反应器的侧壁连接到装备有排放阀的单个回收气体锁,其特征在于,所述排出导管在反应器壁的高度处离开反应器的侧壁,上方 流化栅格范围从0.60xH到0.95xH,同时向下指向,结果是所述导管的任何部分的水平面形成角度A为35至90°,并且排空导管离开 在反应器壁的高度处,在流化网格上方的反应器的侧壁范围为0.01xH至0.20xH。

    Stabilized polymer compositions
    40.
    发明授权
    Stabilized polymer compositions 失效
    稳定的聚合物组合物

    公开(公告)号:US6025425A

    公开(公告)日:2000-02-15

    申请号:US766297

    申请日:1996-12-13

    IPC分类号: C08K3/34 C08L73/00 C08J5/10

    CPC分类号: C08K3/34

    摘要: A polymer composition comprises (a) a major amount of a polyketone and (b) a minor amount of an amorphous silicate. The amorphous silicate preferably a trisilicate can be a silicate of a Group II metal, for example magnesium. The amorphous silicate is used as a stabilizer in polymer compositions comprising polyketones.

    摘要翻译: 聚合物组合物包含(a)主要量的聚酮和(b)少量的无定形硅酸盐。 无定形硅酸盐优选三硅酸盐可以是II族金属的硅酸盐,例如镁。 无定形硅酸盐用作包含聚酮的聚合物组合物中的稳定剂。