Gas-phase polymerization process having multiple flow regimes
    81.
    发明授权
    Gas-phase polymerization process having multiple flow regimes 有权
    具有多种流动状态的气相聚合方法

    公开(公告)号:US08178633B2

    公开(公告)日:2012-05-15

    申请号:US12970617

    申请日:2010-12-16

    摘要: The present invention relates to an improvement for gas phase olefin polymerization process under two or more different flow regimes. The process involves adding a mixed electron donor system to a reactor having two or more different flow regimes, wherein the mixed electron donor system comprises at least one selectivity control agent and at least one activity limiting agent. The invention is particularly well suited for reactor systems which include a regime characterized by having a low-velocity or high-solid holdup, which have been reported to have operational problems such as particle agglomeration and formation of polymer “chunks”.

    摘要翻译: 本发明涉及在两种或多种不同流动状态下气相烯烃聚合方法的改进。 该方法包括向具有两个或多个不同流动状态的反应器中加入混合电子给体系,其中混合电子给体系包含至少一种选择性控制剂和至少一种活性限制剂。 本发明特别适用于包括具有低速或高固体滞留的状态的反应器系统,其被报告具有诸如颗粒聚集和形成聚合物“块”的操作问题。

    Self limiting catalyst composition and propylene polymerization process
    83.
    发明授权
    Self limiting catalyst composition and propylene polymerization process 有权
    自限催化剂组合物和丙烯聚合方法

    公开(公告)号:US07989383B2

    公开(公告)日:2011-08-02

    申请号:US12850170

    申请日:2010-08-04

    IPC分类号: C08F4/642 C08F4/649 B01J31/02

    摘要: A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

    摘要翻译: 一种用于丙烯聚合的催化剂组合物,其包含一种或多种齐格勒 - 纳塔前催化剂组合物,其包含一种或多种过渡金属化合物和一种或多种芳族二羧酸内电子给体的酯; 一种或多种含铝助催化剂; 包含至少一种含有至少一个与硅原子键合的C 1-10烷氧基的含硅化合物的选择性控制剂(SCA)和一种或多种包含一种或多种脂族或脂环族羧酸的活性限制剂(ALA)化合物; 烷基 - ,环烷基 - 或烷基(聚)(烷氧基) - (聚)酯衍生物; 或惰性取代的衍生物。

    Self Limiting Catalyst Composition and Propylene Polymerization Process
    85.
    发明申请
    Self Limiting Catalyst Composition and Propylene Polymerization Process 有权
    自限催化剂组合物和丙烯聚合方法

    公开(公告)号:US20100317510A1

    公开(公告)日:2010-12-16

    申请号:US12850170

    申请日:2010-08-04

    IPC分类号: C08F4/60 C08F4/602

    摘要: A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

    摘要翻译: 一种用于丙烯聚合的催化剂组合物,其包含一种或多种齐格勒 - 纳塔前催化剂组合物,其包含一种或多种过渡金属化合物和一种或多种芳族二羧酸内电子给体的酯; 一种或多种含铝助催化剂; 包含至少一种含有至少一个与硅原子键合的C 1-10烷氧基的含硅化合物的选择性控制剂(SCA)和一种或多种包含一种或多种脂族或脂环族羧酸的活性限制剂(ALA)化合物; 烷基 - ,环烷基 - 或烷基(聚)(烷氧基) - (聚)酯衍生物; 或惰性取代的衍生物。

    Catalyst composition for ethylene polymerization
    88.
    发明授权
    Catalyst composition for ethylene polymerization 有权
    用于乙烯聚合的催化剂组合物

    公开(公告)号:US07393910B2

    公开(公告)日:2008-07-01

    申请号:US10569245

    申请日:2004-08-18

    IPC分类号: C08F110/02

    摘要: A process for the polymerization of olefin monomers comprising contacting ethylene or a mixture of ethylene and one or more C4-8 α olefins with a catalyst composition comprising one or more Group 3-10 transition metal containing, Ziegler-Natta, procatalyst compounds; one or more alkylaluminum cocatalyts; and one or more polymerization control agents, said process being characterized in that at least one such polymerization control agent is an alkyl or aryl, ester of an aliphatic or aromatic (poly)carboxylic acid optionally containing one or more substituents comprising a Group 13, 14, 15, or 16 heteroatom.

    摘要翻译: 一种烯烃单体的聚合方法,包括使乙烯或乙烯与一种或多种C 4-8α-烯烃的混合物与包含一种或多种含有齐格勒的3-10族过渡金属的催化剂组合物接触 -Natta,前催化剂化合物; 一种或多种烷基铝共催化剂; 和一种或多种聚合控制剂,所述方法的特征在于至少一种这样的聚合控制剂是烷基或芳基,任选地含有一个或多个取代基的脂族或芳族(多)羧酸的酯,所述取代基包括第13,14 ,15或16个杂原子。

    Self-extiguishing catalyst compostion with monocarboxylic acid ester internal donor and propylene polymerization process
    89.
    发明申请
    Self-extiguishing catalyst compostion with monocarboxylic acid ester internal donor and propylene polymerization process 失效
    用单羧酸酯内给体和丙烯聚合方法自催化催化剂组成

    公开(公告)号:US20070032376A1

    公开(公告)日:2007-02-08

    申请号:US10568981

    申请日:2004-08-18

    申请人: Linfeng Chen

    发明人: Linfeng Chen

    IPC分类号: B01J31/00

    摘要: A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more monoesters of aromatic carboxylic acid internal electron donors; one or more aluminum containing cocatalysts; and a mixture of two or more different selectivity control agents, said SCA mixture comprising from 98.0 to 99.9 mol percent of one or more esters of one or more aromatic monocarboxylic acids or substituted derivatives thereof, and from 2.0 to 0.1 mol percent of one or more alkoxysilane compounds.

    摘要翻译: 一种用于丙烯聚合的催化剂组合物,其包含一种或多种齐格勒 - 纳塔前催化剂组合物,其包含一种或多种过渡金属化合物和一种或多种芳族羧酸内电子给体的单酯; 一种或多种含铝助催化剂; 和两种或更多种不同选择性控制剂的混合物,所述SCA混合物包含98.0至99.9mol%的一种或多种芳族单羧酸或其取代衍生物的一种或多种酯,以及2.0至0.1mol%的一种或多种 烷氧基硅烷化合物。

    Self limiting catalyst composition and propylene polymerization process
    90.
    发明申请
    Self limiting catalyst composition and propylene polymerization process 有权
    自限催化剂组合物和丙烯聚合方法

    公开(公告)号:US20070027275A1

    公开(公告)日:2007-02-01

    申请号:US10568930

    申请日:2004-09-17

    IPC分类号: C08G85/00 B01J31/00

    摘要: A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

    摘要翻译: 一种用于丙烯聚合的催化剂组合物,其包含一种或多种齐格勒 - 纳塔前催化剂组合物,其包含一种或多种过渡金属化合物和一种或多种芳族二羧酸内电子给体的酯; 一种或多种含铝助催化剂; 包含至少一种含有至少一个与硅原子键合的C 1-10烷氧基的含硅化合物的选择性控制剂(SCA),以及一种或多种包含一种或多种的活性限制剂(ALA)化合物 或更多的脂族或脂环族羧酸; 烷基 - ,环烷基 - 或烷基(聚)(烷氧基) - (聚)酯衍生物; 或惰性取代的衍生物。