Process for the preparation of ethylene propylene copolymers
    82.
    发明授权
    Process for the preparation of ethylene propylene copolymers 有权
    制备乙烯丙烯共聚物的方法

    公开(公告)号:US08785575B2

    公开(公告)日:2014-07-22

    申请号:US12226385

    申请日:2007-04-06

    摘要: A polymerization process comprising contacting under polymerization conditions ethylene and at least propylene to obtain a copolymer containing from 96% by mol to 71% by mol of ethylene derived units, in the presence of a catalyst system obtainable by contacting: b) at least a metallocene compound of formula (I), b) alumoxane or a compound capable of forming an alkyl metallocene cation; and optionally c) an organo aluminum compound; wherein the groups R1-R4, L, M and W are described in the text.

    摘要翻译: 一种聚合方法,包括在聚合条件下使乙烯和至少丙烯接触,以获得含有衍生自乙烯的单元的96摩尔%至71摩尔%的乙烯衍生单元的共聚物,所述催化剂体系可以通过以下方式获得:b)至少一种茂金属 式(I)化合物,b)铝氧烷或能够形成烷基金属茂阳离子的化合物; 和任选地c)有机铝化合物; 其中在文中描述了基团R1-R4,L,M和W。

    PROCESS FOR OLEFIN POLYMERISATION USING GROUP 4 METALLOCENE AS CATALYSTS
    83.
    发明申请
    PROCESS FOR OLEFIN POLYMERISATION USING GROUP 4 METALLOCENE AS CATALYSTS 有权
    使用第4组金属催化剂进行烯烃聚合的方法

    公开(公告)号:US20130217845A1

    公开(公告)日:2013-08-22

    申请号:US13806386

    申请日:2011-06-29

    IPC分类号: C08F210/16

    摘要: A process for the preparation of a random propylene copolymer comprising polymerising propylene and at least one C2-10 alpha olefin (especially ethylene) in the presence of a catalyst; wherein said catalyst comprises: (i) a complex of formula (I): wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′2C—, —R′2C—CR′2—, —R′2Si—, —R′2Si—SiR2—, —R′2Ge—, wherein each R′ is independently a hydrogen atom, C1-C20-hydrocarbyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl; each R1 is a C4-C20 hydrocarbyl radical branched at the β-atom to the cyclopentadienyl ring, optionally containing one or more heteroatoms belonging to groups 14-16, or is a C3-C20 hydrocarbyl radical branched at the β-atom to the cyclopentadienyl ring where the β-atom is an Si-atom; n is 0-3; each R18 is the same or different and may be a C1-C20 hydrocarbyl radical optionally containing one or more heteroatoms belonging to groups 14-16; each R4 is a hydrogen atom or a C1-6-hydrocarbyl radical; each W is a 5 or 6 membered aryl or heteroaryl ring wherein each atom of said ring is optionally substituted with an R5 group; each R5 is the same or different and is a C1-C20 hydrocarbyl radical optionally containing one or more heteroatoms belonging to groups 14-16; and optionally two adjacent R5 groups taken together can form a further mono or multicyclic ring condensed to W optionally substituted by one or two groups R5; and (ii) a cocatalyst comprising an organometallic compound of a Group 13 metal.

    摘要翻译: 一种制备无规丙烯共聚物的方法,包括在催化剂存在下聚合丙烯和至少一种C 2-10α-烯烃(特别是乙烯); 其中所述催化剂包括:(i)式(I)的络合物:其中M是锆或铪; 每个X是σ配体; L是选自-R'2C-,-R'2C-CR'2-,-R'2Si-,-R'2Si-SiR2-,-R'2Ge-的二价桥,其中每个R'独立地为 氢原子,C 1 -C 20烃基,三(C 1 -C 20烷基)甲硅烷基,C 6 -C 20芳基,C 7 -C 20芳基烷基或C 7 -C 20烷基芳基; 每个R 1是在β-原子处与环戊二烯基环分支的C 4 -C 20烃基,任选地含有一个或多个属于第14-16族的杂原子,或者是在β-原子处分支到环戊二烯基的C 3 -C 20烃基 β原子是Si原子的环; n为0-3; 每个R 18相同或不同,并且可以是任选地含有一个或多个属于第14-16族的杂原子的C 1 -C 20烃基; 每个R 4是氢原子或C 1-6烃基; 每个W是5或6元芳基或杂芳基环,其中所述环的每个原子任选被R 5基团取代; 每个R 5相同或不同,并且是任选地含有一个或多个属于第14-16族的杂原子的C 1 -C 20烃基; 并且任选地两个相邻的R5基团可以形成另外的一个或多个环,其被稠合至可任选地被一个或两个基团R 5取代的W; 和(ii)包含第13族金属的有机金属化合物的助催化剂。

    Process for polymerizaing 1-hexene or higher alpha-olefins
    85.
    发明授权
    Process for polymerizaing 1-hexene or higher alpha-olefins 失效
    聚合1-己烯或更高级α-烯烃的方法

    公开(公告)号:US07977444B2

    公开(公告)日:2011-07-12

    申请号:US10592564

    申请日:2005-03-08

    摘要: A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH2═CHW wherein W is a C3-C10 hydrocarbon radical and optionally from 0 to 81% by mol of derived units of propylene or 1-butene, comprising contacting under polymerization conditions one or more alpha olefins of formula CH2═CHW and optionally propylene or 1-butene in the presence of a catalyst system obtainable by contacting:a) a metallocene compound of formula (I) wherein M, X, L, T, R1, R2, R7 and R8 are described in the text; and (b) an alumoxane or a compound capable of forming an alkyl metallocene cation.

    摘要翻译: 一种制备含有一种或多种式CH 2 = CHW的α-烯烃的衍生单元的聚合物的方法,其中W是C 3 -C 10烃基和任选地0至81摩尔%的丙烯或1-丁烯的衍生单元,包括接触 在聚合条件下,在一种催化剂体系的存在下,通过使以下物质接触,得到一种或多种式CH 2 = CHW的α-烯烃和任选的丙烯或1-丁烯:a)式(I)的茂金属化合物,其中M,X,L,T, R1,R2,R7和R8在文中描述; 和(b)铝氧烷或能够形成烷基茂金属阳离子的化合物。

    Catalyst system for the polymerization of olefin
    86.
    发明授权
    Catalyst system for the polymerization of olefin 失效
    用于烯烃聚合的催化剂体系

    公开(公告)号:US07799722B2

    公开(公告)日:2010-09-21

    申请号:US10592565

    申请日:2005-03-08

    摘要: A catalyst system solution obtainable by a process comprising the following steps: (a) contacting a solution of methylalumoxane in an aromatic solvent (solvent a) with a solution of one or more organo-aluminium in a solvent (solvent b), or a solution of one or more alumoxanes different from methylalumoxane in a solvent (solvent b); (b) when solvent b) is an aromatic solvent or if solvent b) has a boiling point lower than solvent a) add to the solution formed in step a) an alifatic solvent (solvent c) having a boiling point higher than solvent a) and solvent b); or (c) solubilizing a metallocene compound in the solution obtained in step a) or in step b); and (d) substantially removing solvent a) or solvent a) and solvent b) from the solution.

    摘要翻译: 一种通过包括以下步骤的方法获得的催化剂体系溶液:(a)将甲基铝氧烷在芳族溶剂(溶剂a)中的溶液与一种或多种有机铝在溶剂(溶剂b)中的溶液或溶液 在溶剂(溶剂b)中不同于甲基铝氧烷的一种或多种铝氧烷; (b)当溶剂b)是芳族溶剂或溶剂b)的沸点低于溶剂a)加入沸点高于溶剂a)的aif溶剂(溶剂c)中形成的溶液a) 和溶剂b); 或(c)将茂金属化合物溶解在步骤a)或步骤b)中获得的溶液中; 和(d)从溶液中基本上除去溶剂a)或溶剂a)和溶剂b)。

    Process for preparing 1-butene polymers
    87.
    发明授权
    Process for preparing 1-butene polymers 有权
    1-丁烯聚合物的制备方法

    公开(公告)号:US07589160B2

    公开(公告)日:2009-09-15

    申请号:US10536858

    申请日:2003-11-03

    IPC分类号: C08F4/64 C08F4/72 C07F17/00

    摘要: A process for obtaining 1-butene polymers comprising the step of contacting under polymerization conditions 1-butene and optionally ethylene, propylene or said alpha-olefin, in the presence of a catalyst system obtainable by contacting: a) a metallocene compound of formula (I): wherein: M is an atom of a transition metal belonging to group 3, 4, 5, 6 or to the lanthanide or actinide groups in the Periodic Table of the Elements; p is an integer from 0 to 3; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group; R1 is a hydrocarbon group; R2, R3 and R6 are hydrogen atoms or hydrocarbon groups; R4 and R5 join to form a condensed saturated or unsaturaded 4–7 membered ring; and L is a divalent bridging group; and b) an alumoxane or a compound able to form an alkylmetallocene cation.

    摘要翻译: 一种获得1-丁烯聚合物的方法,包括在聚合条件下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接触的步骤,所述催化剂体系可通过以下步骤获得:a)式(I)的茂金属化合物 ):其中:M是属于第3,4,5,6族的过渡金属或元素周期表中的镧系元素或锕系元素的原子; p是0至3的整数; X是氢原子,卤素原子或烃基; R1是烃基; R2,R3和R6是氢原子或烃基; R4和R5连接形成稠合的饱和或不饱和的4-7元环; L是二价桥基; 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 1-butene
    88.
    发明授权
    Process for the polymerization of 1-butene 有权
    1-丁烯聚合方法

    公开(公告)号:US07459511B2

    公开(公告)日:2008-12-02

    申请号:US10480762

    申请日:2002-06-11

    申请人: Luigi Resconi

    发明人: Luigi Resconi

    摘要: A process for polymerizing 1-butene comprising the step of contacting under polymerization conditions 1-butene and optionally from 0 to 20% by mol of an alpha olefin with a catalyst system obtainable by contacting a bridget metallocene compound of formula (I) wherein R1 and R2 are an hydrocarbon radical A is a carbon atom, a germanium atom or a silicon atom; m is 1, 2; M is a metal of group 4 of the Periodic Table of the Elements; X, is hydrogen, a halogen atom, or a group R, OR, OSO2CF3, OCOR, SR, NR2 or PR2, wherein the substituents R are hydrocarbon radical; L is a moiety of formula (IIa) or (IIb) wherein T is an oxigen (O) or sulphur (S) atom or a CH2 group; and R3 and R4 are hydrogen atoms or hydrocarbon radicals; one or more alumoxanes or compounds able to form an alkylmetallocene cation; and optionally an organo aluminium compound.

    摘要翻译: 一种聚合1-丁烯的方法,包括在聚合条件下使1-丁烯和任选的0至20摩尔%的α-烯烃与可通过使式(I)的桥连金属茂化合物(其中R1和 R2是烃基A是碳原子,锗原子或硅原子; m为1,2; M是元素周期表第4族的金属; X是氢,卤素原子或基团R,OR,OSO 2 CF 3,OCOR,SR,NR 2或PR 2,其中取代基R是烃基; L是式(IIa)或(IIb)的部分,其中T是氧原子(O)或硫(S)原子或CH 2基团; 并且R 3和R 4是氢原子或烃基; 一种或多种能够形成烷基茂金属阳离子的铝氧烷或化合物; 和任选的有机铝化合物。

    Isotactic 1-butene copolymers
    89.
    发明申请
    Isotactic 1-butene copolymers 有权
    全同立构1-丁烯共聚物

    公开(公告)号:US20080249273A1

    公开(公告)日:2008-10-09

    申请号:US11981497

    申请日:2007-10-30

    IPC分类号: C08F210/08

    摘要: An isotactic 1-butene copolymer having a content up to 30% by mol of at least one alpha-olefin of formula CH2═CHZ derived units, wherein Z is a C3-C20 hydrocarbon group, having the following features: isotactic pentads (mmmm) >90%; and a percentage of soluble fraction in diethylether (% SD) and a molar content of said alpha olefins (% O) in the polymer chain meeting the following relation: % SD>2.8% O+8.

    摘要翻译: 具有至多30摩尔%的至少一种式CH 2 -CH-Z衍生单元的α-烯烃的全同立构1-丁烯共聚物,其中Z是C 3 90%; 以及在聚合物链中的二乙醚中可溶性部分的百分比(%SD)和所述α-烯烃(%O)的摩尔含量满足以下关系:<?在线公式描述=“在线公式” “lead”?>%SD> 2.8%O + 8。<?in-line-formula description =“In-line Formulas”end =“tail”?>

    Catalyst system for the polymerization of olefins
    90.
    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:US07417006B2

    公开(公告)日:2008-08-26

    申请号:US10478346

    申请日:2002-05-07

    CPC分类号: C07F5/027

    摘要: A salt of formula (I) [HEoR13]+[T1T2]−   (I) wherein Eo is a nitrogen or phosphorous atom; R1 is hydrocarbon radical; T1 is a Lewis acid that forms a complex with T2, and T2 is a substituted pyrrolyl radical of formula (III) These salts can be used as cocatalyst in a process for the polymerization of alpha-olefins in conjunction with a transition metal organometallic compound.

    摘要翻译: 式(I)的盐<?in-line-formula description =“In-line Formulas”end =“lead”?> (I)&lt;&lt;&gt;(I)&lt;&lt; line-formula description =“In-line Formulas”end =“tail”?>其中E o是O或磷原子; R 1是烃基; T 1是与T 2形成络合物的路易斯酸,T 2是式(III)的取代的吡咯基。这些盐 可以在与过渡金属有机金属化合物结合的α-烯烃的聚合方法中用作助催化剂。