Preparation of silicon-bridged metallocene compounds
    1.
    发明申请
    Preparation of silicon-bridged metallocene compounds 有权
    硅桥联金属茂化合物的制备

    公开(公告)号:US20050080244A1

    公开(公告)日:2005-04-14

    申请号:US10500542

    申请日:2002-12-30

    CPC分类号: C07F17/00 Y10S526/943

    摘要: A process for obtaining silicon-bridged metallocene compounds comprising the following steps: a) reacting, at a temperature of between −10° C. and 70° C., the starting ligand with about 2 molar equivalents of an alkylating agent; b) after the reaction has been completed, adding at least 2 molar equivalents of an alkylating agent that can be also different from the first one; and c) reacting, at a temperature of between −10° C. and 70° C., the product obtained from step b) with at least 1 molar equivalent of a compound of formula ML′s, wherein M is a transition metal; s is an integer corresponding to the oxidation state of the metal; and L′ is an halogen atom selected from chlorine, bromine and iodine.

    摘要翻译: 一种获得硅桥连茂金属化合物的方法,包括以下步骤:a)在-10℃至70℃的温度下,将起始配体与约2摩尔当量的烷基化剂反应; b)反应完成后,加入至少2摩尔当量的也可以不同于第一种烷基化剂的烷基化剂; 和c)在-10℃至70℃的温度下,将从步骤b)获得的产物与至少1摩尔当量的式ML'化合物反应,其中M是过渡金属; s是与金属的氧化态对应的整数; L'是选自氯,溴和碘的卤素原子。

    Preparation of silicon-bridged metallocene compounds
    2.
    发明授权
    Preparation of silicon-bridged metallocene compounds 有权
    硅桥联金属茂化合物的制备

    公开(公告)号:US07002031B2

    公开(公告)日:2006-02-21

    申请号:US10500542

    申请日:2002-12-30

    IPC分类号: C07F17/00 B01J31/00

    CPC分类号: C07F17/00 Y10S526/943

    摘要: A process for obtaining silicon-bridged metallocene compounds comprising the following steps: a) reacting, at a temperature of between −10° C. and 70° C., the starting ligand with about 2 molar equivalents of an alkylating agent; b) after the reaction has been completed, adding at least 2 molar equivalents of an alkylating agent that can be also different from the first one; and c) reacting, at a temperature of between −10° C. and 70° C., the product obtained from step b) with at least 1 molar equivalent of a compound of formula ML′s, wherein M is a transition metal; s is an integer corresponding to the oxidation state of the metal; and L′ is an halogen atom selected from chlorine, bromine and iodine.

    摘要翻译: 一种获得硅桥连茂金属化合物的方法,包括以下步骤:

    Process for the Preparation of Atactic 1-Butene Polymers
    4.
    发明申请
    Process for the Preparation of Atactic 1-Butene Polymers 有权
    制备无规1-丁烯聚合物的方法

    公开(公告)号:US20090005523A1

    公开(公告)日:2009-01-01

    申请号:US11579525

    申请日:2005-04-25

    IPC分类号: C08F210/08 C08F4/606

    摘要: A process for obtaining atactic 1-butene polymer optionally containing at least one comonomer selected from ethylene, propylene or an alpha-olefin of formula CH2═CHRo, wherein Ro is a linear or branched C3-C20 alkyl group, comprising the step of polymerizing 1-butene and optionally ethylene, propylene or said alpha-olefin, in the presence of a catalyst system obtainable by contacting:a) at least one metallocene compound of formula (I) in its meso or meso-like form wherein M is an atom of a transition metal; p is an integer from 0 to 3; X, same or different, is a hydrogen atom, a halogen atom, or a hydrocarbon group; L is a divalent C1-C40 hydrocarbon radical optionally containing heteroatoms belonging to groups 13-17 of the Periodic Table of the Elements; R1 and R2, are C1-C40 hydrocarbon radicals; T, equal to or different from each other, is a moiety of formula (IIa) or (IIb): wherein R3 is a C1-C40 hydrocarbon radical; R4 and R6, are hydrogen atoms or C1-C40 hydrocarbon radicals; R5 is a C1-C40 hydrocarbon radical; R7 and R8, equal to or different from each other, are hydrogen atoms or C1-C40 hydrocarbon radicals; and b) an alumoxane or a compound capable of forming an alkyl metallocene cation;

    摘要翻译: 一种获得任选含有至少一种选自乙烯,丙烯或式CH2-CHRo的α-烯烃的共聚单体的无规1-丁烯聚合物的方法,其中Ro是直链或支链C 3 -C 20烷基,其包括聚合1 丁烯和任选的乙烯,丙烯或所述α-烯烃,在催化剂体系存在下,可通过以下步骤:a)至少一种其中间或内消旋形式的式(I)金属茂化合物,其中M是 过渡金属; p是0至3的整数; X相同或不同,是氢原子,卤素原子或烃基; L是任选含有属于元素周期表第13-17族的杂原子的二价C 1 -C 40烃基; R1和R2是C1-C40烃基; T为等于或不同的式(IIa)或(IIb)的部分:其中R 3为C 1 -C 40烃基; R4和R6是氢原子或C1-C40烃基; R5是C1-C40烃基; R 7和R 8彼此相同或不同,为氢原子或C 1 -C 40烃基; 和b)铝氧烷或能够形成烷基茂金属阳离子的化合物;

    Process for the Polymerization of Alpha Olefins
    5.
    发明申请
    Process for the Polymerization of Alpha Olefins 失效
    α-烯烃聚合方法

    公开(公告)号:US20080269439A1

    公开(公告)日:2008-10-30

    申请号:US11919843

    申请日:2006-04-12

    摘要: A process for preparing 1-butene polymers, comprising polymerizing 1-butene or copolymerizing 1-butene with ethylene, propylene or an alpha-olefin of formula CHT2=CHT wherein T is a C3-C10 alkyl group, in the presence of a catalyst system obtainable by contacting: A) a metallocene compound belonging to formula (I): wherein M is zirconium titanium or hafnium; X, equal to or different from each other, is a hydrogen atom, a halogen atom, a hydrocarbon radical optionally containing heteroatoms; R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 are hydrogen atoms, or C1-C4O hydrocarbon radicals optionally containing heteroatoms; R1, R2 and R3, are linear or branched, C1-C2o-alkyl radicals, optionally containing heteroatoms: B) a Jumoxane or a compound capable of forming an alkyl metallocene cation; and optionally C) organo aluminum compound.

    摘要翻译: 一种制备1-丁烯聚合物的方法,包括将1-丁烯或1-丁烯与乙烯,丙烯或式CHT 2 CH = CHT的α-烯烃聚合,其中T是C 3 在可以通过下述方法获得的催化剂体系存在下进行:A)属于式(I)的金属茂化合物:其中M是锆钛或铪; X彼此相同或不同,为氢原子,卤素原子,任选含有杂原子的烃基; R 4,R 5,R 6,R 7,R 8, R 9,R 10,R 11,R 12和R 13是 氢原子或任选含有杂原子的C 1 -C 40烃基; R 1,R 2和R 3是直链或支链的C 1 -C 2 O 任选地含有杂原子的烷基:B)Jumoxane或能够形成烷基金属茂阳离子的化合物; 和任选的C)有机铝化合物。

    Catalyst system for the polymerization of olefins
    6.
    发明授权
    Catalyst system for the polymerization of olefins 失效
    用于烯烃聚合的催化剂体系

    公开(公告)号:US06608224B2

    公开(公告)日:2003-08-19

    申请号:US09790314

    申请日:2001-02-22

    IPC分类号: C07F502

    摘要: An organometallic compound obtainable by contacting a) a compound having the following formula (I): wherein Ra, Rb, Rc and Rd equal to or different from each other are hydrocarbon groups b) a Lewis acid of formula (II) MtR13   (II) wherein Mt is a metal belonging to Group 13 of the Periodic Table of the Elements (IUPAC); R1, equal to or different from each other, are selected from the group consisting of halogen, halogenated C6-C20 aryl and halogenated C7-C20 alkylaryl groups; two R1 groups can also form with the metal Mt one condensed ring. These compounds are useful as cocatalysts for polymerizing olefins.

    摘要翻译: 通过使具有下式(I)的化合物可以得到的有机金属化合物:其中Ra,Rb,Rc和Rd彼此相同或不同的是烃基b)式(II)的路易斯酸,其中Mt是属于 到元素周期表第13组(IUPAC); R 1彼此相同或不同,选自卤素,卤代C 6 -C 20芳基和卤代C 7 -C 20烷基芳基; 两个R1基团也可以与金属Mt一个稠环形成。这些化合物可用作聚合烯烃的助催化剂。

    1-BUTENE PROPYLENE COPOLYMER COMPOSITIONS
    7.
    发明申请
    1-BUTENE PROPYLENE COPOLYMER COMPOSITIONS 有权
    1-BOTENE丙烯共聚物组合物

    公开(公告)号:US20100121015A1

    公开(公告)日:2010-05-13

    申请号:US12310507

    申请日:2007-08-23

    IPC分类号: C08F210/08

    摘要: A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form 1 after 100 hours at room temperature, said composition comprising: a) from 5% by weight to 95% by weight of an atactic 1-butene propylene copolymer having the following features: i) distribution of molecular weight Mw/Mn equal to or lower than 4; ii) no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); and iii) infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene propylene copolymer having the following features: i) isotactic pentads (mmmm) measured by 13C-NMR, higher than 80%; ii) melting point (Tm(II)) higher than 70° C.; and iii) distribution of molecular weight Mw/Mn equal to or lower than 4.

    摘要翻译: 所述丙烯衍生单元的含量为4-10重量%的1-丁烯/丙烯共聚物组合物,其中至少50%的聚合物在室温下100小时后以热力学稳定的三角形式1存在,所述组合物 包括:a)5重量%至95重量%的具有以下特征的无规立构1-丁烯丙烯共聚物:i)分子量Mw / Mn等于或低于4的分布; ii)在差示扫描量热计(DSC)处不可检测到融合焓; 和iii)红外结晶度低于0.5%; b)5重量%至95重量%的具有以下特征的全同立构1-丁烯丙烯共聚物:i)通过13 C-NMR测量的全同立构五单元组(mmmm)高于80%; ii)高于70℃的熔点(Tm(II))。 和iii)等于或低于4的分子量Mw / Mn的分布。

    Process for the preparation of 1-butene/propylene copolymers
    9.
    发明授权
    Process for the preparation of 1-butene/propylene copolymers 有权
    制备1-丁烯/丙烯共聚物的方法

    公开(公告)号:US07531609B2

    公开(公告)日:2009-05-12

    申请号:US11667350

    申请日:2005-10-20

    IPC分类号: C08F4/42

    摘要: A solution polymerization process for obtaining isotactic, crystalline or crystallizable 1-butene/propylene polymers comprising contacting under polymerization conditions at a temperature ranging from 50° C. to 90° C. 1-butene and propylene in the presence of a catalyst system obtainable by contacting: a) at least one metallocene compound; b) an alumoxane or a compound capable of forming an alkyl metallocene cation; and optionally c) an organo aluminum compound; wherein the polymerization medium consists of a mixture of 1-butene and propylene wherein the content of propylene in the liquid phase ranges from 1% to 60% by weight.

    摘要翻译: 用于获得全同立构,结晶或可结晶的1-丁烯/丙烯聚合物的溶液聚合方法,包括在聚合条件下在50℃至90℃的温度范围内接触1-丁烯和丙烯,所述催化剂体系可由 接触:a)至少一种茂金属化合物; b)铝氧烷或能够形成烷基茂金属阳离子的化合物; 和任选地c)有机铝化合物; 其中聚合介质由1-丁烯和丙烯的混合物组成,其中液相中丙烯的含量为1重量%至60重量%。