Process for polymerizing a monomer charge
    1.
    发明授权
    Process for polymerizing a monomer charge 失效
    聚合单体电荷的方法

    公开(公告)号:US4665138A

    公开(公告)日:1987-05-12

    申请号:US714433

    申请日:1985-03-21

    CPC分类号: C08F10/00 Y10S526/901

    摘要: Process of polymerizing a monomer charge including ethylene by (1) drying an inorganic oxide having surface hydroxyl groups, e.g. silica, alumina, magnesia, etc. to remove adsorbed water (2) reacting the surface hydroxyl groups with at least a stoichiometric amount of an organometallic compound having at least one alkyl group attached to a Group III metal, e.g., a trialkylaluminum, (3) reacting the thus-treated inorganic oxide with a vanadium halide, such as (a) VOCl.sub.3, VOBr.sub.3, and/or mono-, di-, and/or trihydrocarbyloxy derivatives thereof and/or (b) VCl.sub.4, VBr.sub.4, and/or mono-, di-, tri-, and/or tetrahydrocarbyloxy derivatives thereof, (4) reacting that reaction product with at least about 0.1 mol, per mol of organometallic compound, of an ether-alcohol corresponding to the formula R"[OCHR'(CH.sub.2).sub.n CHR].sub.m OH, wherein R and R' are independently selected from the group consisting of hydrogen and alkyl groups containing 1 to 18 carbon atoms, R" is a hydrocarbyl group, n has a value of 0 to 16, and m has a value of at least 1, (5) feeding the product into a gas-phase reaction zone, (6) feeding a trialkylaluminum into the gas-phase reaction zone in order to form a bed comprising the product and the trialkylaluminum, (7) fluidizing the bed with a gas mixture of ethylene, hydrogen and chloroform, (8) removing polymerized ethylene particles from the reaction zone, and (9) recycling unreacted gas mixture from the top of the reaction zone to the bottom of the reaction zone.

    摘要翻译: (1)干燥具有表面羟基的无机氧化物的方法,包括乙烯的单体电荷的聚合方法。 二氧化硅,氧化铝,氧化镁等,以除去吸附的水(2)使表面羟基与至少一种化学计量量的具有至少一个与III族金属连接的烷基的有机金属化合物反应,例如三烷基铝,(3 使(a)VOCl 3,VOBr 3和/或其单 - ,二 - 和/或三氢氧代衍生物和/或(b)VCl4,VBr4和/或 (4)使该反应产物与每摩尔有机金属化合物至少约0.1摩尔的对应于式R“[OCHR '(CH 2)n CHR] mOH,其中R和R'独立地选自氢和含有1至18个碳原子的烷基,R“是烃基,n具有0至16的值,并且 m具有至少1的值,(5)将产物进料到气相反应区中,(6)将三烷基铝进料到g 为了形成包含产物和三烷基铝的床,(7)用乙烯,氢气和氯仿的气体混合物使床流化,(8)从反应区除去聚合的乙烯颗粒,和(9 )将未反应的气体混合物从反应区的顶部循环到反应区的底部。

    Polymerization catalyst
    2.
    发明授权
    Polymerization catalyst 失效
    聚合催化剂

    公开(公告)号:US4434242A

    公开(公告)日:1984-02-28

    申请号:US444288

    申请日:1982-11-24

    CPC分类号: C08F10/00

    摘要: Catalyst compositions which are particularly useful for the preparation of ethylene polymers having a narrow molecular weight distribution are obtained by (1) drying an inorganic oxide having surface hydroxyl groups, e.g., silica, alumina, magnesia, etc., to remove adsorbed water (2) reacting the surface hydroxyl groups with at least a stoichiometric amount of an organometallic compound having at least one alkyl group attached to a Group III metal, e.g., a trialkylaluminum, (3) reacting the thus-treated inorganic oxide with a vanadium halide, such as (a) VOCl.sub.3, VOBr.sub.3, and/or mono-, di-, and/or trihydrocarbyloxy derivatives thereof and/or (b) VCl.sub.4, VBr.sub.4, and/or mono-, di-, tri-, and/or tetrahydrocarbyloxy derivatives thereof, and (4) reacting that reaction product with at least about 0.1 mol, per mol of organometallic compound, of an ether-alcohol corresponding to the formula R"[OCHR'(CH.sub.2).sub.n CHR].sub.m OH, wherein R and R' are independently selected from the group consisting of hydrogen and alkyl groups containing 1 to 18 carbon atoms, R" is a hydrocarbyl group, n has a value of 0 to 16, and m has a value of at least 1.

    摘要翻译: 特别可用于制备具有窄分子量分布的乙烯聚合物的催化剂组合物通过(1)干燥具有表面羟基的无机氧化物,例如二氧化硅,氧化铝,氧化镁等来除去吸附的水(2 )使表面羟基与至少一种化学计量量的具有至少一个连接在第III族金属上的烷基的有机金属化合物反应,例如三烷基铝,(3)使经过处理的无机氧化物与卤化钒反应, 作为(a)VOCl 3,VOBr 3和/或其单 - ,二 - 和/或三氢氧羰基衍生物和/或(b)VCl 4,VBr 4和/或单 - ,二 - ,三 - 和/或四氢氧代衍生物 (4)使该反应产物与每摩尔有机金属化合物至少约0.1摩尔的对应于式R“[OCHR'(CH 2)n CHR] mOH的醚 - 醇反应,其中R和R' 独立地选自氢和烷基 含有1〜18个碳原子的烷基,R“为烃基,n为0〜16,m为1以上。

    Method for the extraction of iron from liquid hydrocarbons
    3.
    发明授权
    Method for the extraction of iron from liquid hydrocarbons 失效
    从液态烃中提取铁的方法

    公开(公告)号:US5282959A

    公开(公告)日:1994-02-01

    申请号:US851586

    申请日:1992-03-16

    IPC分类号: C10G21/12 C10G17/04

    CPC分类号: C10G21/12

    摘要: A method of extracting iron species from a liquid hydrocarbon medium comprising adding to the medium a composition comprised of an aminocarboxylic acid, methoxypropylamine and a solvent selected from the group consisting of 2-ethylhexanol, cresylic acid, ethylene glycol and hexylene glycol.

    摘要翻译: 从液体烃介质中提取铁物质的方法,包括向该介质中加入由氨基羧酸,甲氧基丙胺和选自2-乙基己醇,甲酚酸,乙二醇和己二醇的溶剂组成的组合物。

    Method for inhibiting fouling in caustic scrubber systems
    4.
    发明授权
    Method for inhibiting fouling in caustic scrubber systems 失效
    抑制苛性碱洗涤系统污染的方法

    公开(公告)号:US5194143A

    公开(公告)日:1993-03-16

    申请号:US793754

    申请日:1991-11-18

    申请人: Paul V. Roling

    发明人: Paul V. Roling

    IPC分类号: C10G70/06

    CPC分类号: C10G70/06 Y10S585/95

    摘要: A method for inhibiting the formation of polymeric based fouling deposits normally formed during the caustic washing to hydrocarbons is disclosed. The method comprises adding an effective amount for the purpose of an acetoacetate ester compound to the caustic wash system.

    摘要翻译: 公开了一种抑制通常在苛性碱洗涤期间形成的聚合物基污垢沉积物形成的方法。 该方法包括将乙酰乙酸酯化合物的有效量添加到苛性碱洗涤系统中。

    Methods of extracting iron species from liquid hydrocarbons
    5.
    发明授权
    Methods of extracting iron species from liquid hydrocarbons 失效
    从液态烃中提取铁物质的方法

    公开(公告)号:US5078858A

    公开(公告)日:1992-01-07

    申请号:US561049

    申请日:1990-08-01

    IPC分类号: C10G21/16 C10G29/22

    CPC分类号: C10G29/22 C10G21/16

    摘要: Methods of extracting iron species, such as iron naphthenate, and iron sulfides, from a liquid hydrocarbon, such as crude oil are disclosed. A chelant selected from oxalic or citric acid is added directly to the liquid hydrocarbon and mixed therewith. Then, wash water is added to form a water in oil emulsion. The emulsion is resolved, with iron laden aqueous phase being separated.

    摘要翻译: 公开了从诸如原油的液体烃中提取铁物质如环烷酸铁和硫化铁的方法。 将选自草酸或柠檬酸的螯合剂直接加入到液体烃中并与其混合。 然后,加入洗涤水以形成油包水乳液。 乳液被分离,含铁的水相被分离。

    Methods and compositions for inhibiting styrene polymerization
    6.
    发明授权
    Methods and compositions for inhibiting styrene polymerization 失效
    抑制苯乙烯聚合的方法和组合物

    公开(公告)号:US4929778A

    公开(公告)日:1990-05-29

    申请号:US361170

    申请日:1989-06-05

    申请人: Paul V. Roling

    发明人: Paul V. Roling

    IPC分类号: C07C7/20

    CPC分类号: C07C7/20

    摘要: Methods and compositions are provided for inhibiting the polymerization of styrene monomer during elevated temperature processing thereof or during storage or shipment of styrene containing product. The compositions comprise a combination of (a) a phenylenediamine compound having at least one N-H bond and (b) a hindered phenol compound. The methods comprise adding from 1-10,000 ppm of the combination to the styrene medium, per one million parts of styrene.

    摘要翻译: 提供了用于在高温处理期间或在含苯乙烯产品的储存或运输期间抑制苯乙烯单体的聚合的方法和组合物。 组合物包含(a)具有至少一个N-H键的苯二胺化合物和(b)受阻酚化合物的组合。 该方法包括每100万份苯乙烯将1-10,000ppm的组合加到苯乙烯介质中。

    Cyclohexanedione oxygen scavengers
    7.
    发明授权
    Cyclohexanedione oxygen scavengers 失效
    环己酮氧清除剂

    公开(公告)号:US5512243A

    公开(公告)日:1996-04-30

    申请号:US420270

    申请日:1995-04-11

    申请人: Paul V. Roling

    发明人: Paul V. Roling

    IPC分类号: C02F1/20

    CPC分类号: C02F1/20 C23F11/10

    摘要: An oxygen scavenger for aqueous mediums is disclosed. The oxygen scavengers comprise cyclohexanediones which, when added to basic aqueous solutions, effectively scavenge oxygen from the aqueous solutions. The oxygen scavenger has particular utility as an oxygen scavenger from water in heating systems such as boilers and heat exchangers.

    摘要翻译: 公开了一种用于水性介质的除氧剂。 氧清除剂包括环己二酮,当加入到碱性水溶液中时,有效地从水溶液中清除氧。 氧气清除剂在诸如锅炉和热交换器的加热系统中作为来自水的除氧剂具有特别的用途。

    Methods and compositions for inhibiting (meth)acrylic acid polymerization
    10.
    发明授权
    Methods and compositions for inhibiting (meth)acrylic acid polymerization 失效
    抑制(甲基)丙烯酸聚合的方法和组合物

    公开(公告)号:US5171888A

    公开(公告)日:1992-12-15

    申请号:US690430

    申请日:1991-04-23

    申请人: Paul V. Roling

    发明人: Paul V. Roling

    IPC分类号: C07C51/50

    CPC分类号: C07C51/50

    摘要: Methods and compositions are provided for inhibiting the polymerization of acrylic acid monomers during elevated temperature processing thereof or during storage or shipment of acrylic acid product. The compositions comprise a combination of a Mn source compound and a phenylenediamine compound having at least 1 N--H bond. The methods comprise adding from about 1-10,000 ppm of the combination to the particular acrylic acid containing medium for which such anti-polymerization protection is desired, per million parts of the acrylic acid medium.

    摘要翻译: 提供了用于在高温处理过程中或在丙烯酸产品的储存或运输过程中抑制丙烯酸单体聚合的方法和组合物。 组合物包含Mn源化合物和具有至少1NH-H键的苯二胺化合物的组合。 该方法包括每百万份丙烯酸介质将约1-10,000ppm的组合添加到需要这种抗聚合保护的特定含丙烯酸的培养基中。