Multistep Process for Preparing Heterophasic Propylene Copolymers
    71.
    发明申请
    Multistep Process for Preparing Heterophasic Propylene Copolymers 审中-公开
    用于制备异相丙烯共聚物的多步法

    公开(公告)号:US20070276095A1

    公开(公告)日:2007-11-29

    申请号:US10571404

    申请日:2004-08-04

    IPC分类号: C08L23/04

    摘要: A multistage process for obtaining an heterophasic propylene polymer comprising the following steps: step a) contacting under polymerization conditions propylene and optionally ethylene or one or more alpha olefins in the presence of a catalysts system, supported on a porous organic polymer, comprising: ii) one or more metallocene compounds of formula (I) 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 bridging group; R1, is a linear or branched, saturated or unsaturated C1-C20-alkyl radical; R2 is a branched C1-C20alkyl radical; T, equal to or different from each other, is a moiety of formula (IIIa) or (IIIb): wherein: the atom marked with the symbol * bonds the atom marked with the same symbol in the compound of formula (I); R5-R13, equal to or different from each other, are hydrogen atoms or hydrocarbon groups; ii) an alumoxane or a compound capable of forming an alkyl metallocene cation; and optionally iii) an organo aluminium compound; step b) contacting, under polymerization conditions, in a gas phase, ethylene and one or more alpha olefins and optionally a non-conjugated diene, in the presence of the polymer obtained in step a) and optionally in the presence of an additional organo aluminium compound.

    摘要翻译: 用于获得多相丙烯聚合物的多阶段方法包括以下步骤:步骤a)在负载在多孔有机聚合物上的催化剂体系存在下,在聚合条件下使丙烯和任选的乙烯或一种或多种α-烯烃接触,包括:ii) 一种或多种式(I)的茂金属化合物,其中:M是过渡金属的原子; 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是二价桥基; R 1是直链或支链饱和或不饱和的C 1 -C 20 - 烷基; R 2是支链C 1 -C 20烷基; T是相同或不同的,是式(IIIa)或(IIIb)的部分:其中:用符号*标记的原子与式(I)化合物中与相同符号标记的原子键合; R 5相同或不同,为氢原子或烃基; ii)铝氧烷或能够形成烷基茂金属阳离子的化合物; 和任选地iii)有机铝化合物; 步骤b)在聚合条件下,在步骤a)中获得的聚合物存在下,任选地在另外的有机铝存在下,在气相乙烯和一种或多种α-烯烃和任选的非共轭二烯中, 复合。

    Process for preparing porous polymers and polymers thereof
    72.
    发明申请
    Process for preparing porous polymers and polymers thereof 审中-公开
    制备多孔聚合物的方法及其聚合物

    公开(公告)号:US20070004814A1

    公开(公告)日:2007-01-04

    申请号:US10553475

    申请日:2004-04-14

    IPC分类号: B29C44/34

    摘要: A process for obtaining porous propylene polymers optionally containing up to 10% by mol of derived units of one or more alpha-olefins of formula CH2═CHZ wherein Z is H or a C2-C10 alkyl radical, comprising the step of polymerizing propylene and optionally said one or more alpha olefins, under polymerization conditions, in the presence of a catalyst system comprising at least a metallocene compound, said process being characterized in that: a) the catalyst system is supported on an organic porous polymer; and b) at least part of the polymerization reaction is carried out in the presence of hydrogen.

    摘要翻译: 一种获得多孔丙烯聚合物的方法,其任选地含有至多10摩尔%的一种或多种式CH 2 -CH-的α-烯烃的衍生单元,其中Z是H或C 2 - 包括在聚合条件下在包含至少一种茂金属化合物的催化剂体系存在下聚合丙烯和任选所述一种或多种α-烯烃的步骤,所述催化剂体系包括至少一种茂金属化合物,所述 方法的特征在于:a)催化剂体系负载在有机多孔聚合物上; 和b)至少部分聚合反应在氢的存在下进行。

    Process for preparing 1-butene cololymer and copolymer thereof
    73.
    发明申请
    Process for preparing 1-butene cololymer and copolymer thereof 有权
    制备1-丁烯共聚物及其共聚物的方法

    公开(公告)号:US20060084769A1

    公开(公告)日:2006-04-20

    申请号:US10536857

    申请日:2003-11-14

    IPC分类号: C08F4/44

    摘要: A process for preparing isotactic 1-butene copolymers containing up to 30% by mol of units derived from of one or more alpha olefins of formula CH2═CHZ, wherein Z is a C3C20 hydrocarbon group comprising contacting 1-butene and one or more of said alphaolefins under polymerization conditions in the presence of a catalyst system obtainable by contacting: (A) a metallocene compound of formula (I) (1) wherein: M is an atom of a transition metal; p is an integer from 0 to 3; X, same or different, are hydrogen atoms, halogen atoms, or an hydrocarbon group; L is a divalent bridging group; R1 and R3 are hydrocarbon groups; R2 and R4 are hydrogen atoms or hydrocarbon groups; T1 and T2, equal to or different from each other are a moiety of formula (II), (III) or (IV): wherein: the atom marked with the symbol * is bound the atom marked with the same symbol in formula (I); R5, R6, R7, R8 and R9, equal to or different from each other, are hydrogen or hydrocarbon groups; and (B) an alumoxane or a compound able to form an alkylmetallocene cation.

    摘要翻译: 一种制备全同立构1-丁烯共聚物的方法,该共聚物含有至多30摩尔%的衍生自一种或多种式CH 2 -CH 2的α-烯烃的单元,其中Z是C 3 - 包括在聚合条件下,在催化剂体系存在下使1-丁烯和一种或多种所述α-烯烃接触,所述催化剂体系可通过以下方式获得:(A)式(I)的茂金属化合物 )(1)其中:M是过渡金属的原子; p是0至3的整数; X相同或不同,为氢原子,卤素原子或烃基; L是二价桥基; R 1和R 3是烃基; R 2和R 4是氢原子或烃基; T 1和T 2彼此相同或不同的是式(II),(III)或(IV)的部分:其中:标有 符号*绑定在公式(I)中用相同符号标记的原子; R 5,R 6,R 7,R 8和R 9, 相同或不同的是氢或烃基; 和(B)铝氧烷或能够形成烷基茂金属阳离子的化合物。

    Preparation of silicon-bridged metallocene compounds
    74.
    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 transition-metal-alkyl-complexes carrying a bidentate, dianionic ligand
    77.
    发明授权
    Preparation of transition-metal-alkyl-complexes carrying a bidentate, dianionic ligand 失效
    携带二齿二胺配体的过渡金属 - 烷基配合物的制备

    公开(公告)号:US06441211B1

    公开(公告)日:2002-08-27

    申请号:US09762124

    申请日:2001-02-02

    申请人: Luigi Resconi

    发明人: Luigi Resconi

    IPC分类号: C07F700

    CPC分类号: C07F7/00 C07F7/28

    摘要: A new process, particularly simple, convenient and practical, for the direct synthesis of organometallic compounds of formula(I): (A)(ZR1m)n(A′)MLpL′q  (I) wherein (ZR1m)n is a divalent group bridging A and A′; A and A′ re independently —O—, —S—, or —N(R2)—, wherein R2 is hydrogen, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl; M is a transition metal belonging to group 3, 4, 5, 6 or to the lanthanide or actinide groups; L is a monoanionic sigma ligand, such as alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl, optionally containing Si or Ge; L′ is halogen or —OR3, R3 being an hydrocarbon radical; m is 0, 1 or 2; n is 1-8; p is 1-3; q is 0-2. Said process comprises reacting the ligand (H—A)(ZR1m)n(A′—H) with about 1 molar equivalent of ML′s in the presence of about (2+p) molar equivalents of LjB or LMgL′, wherein B is an alkaline or alkaline-earth metal, s ranges from 3 to 6, and j is 1 or 2.

    摘要翻译: 用于直接合成式(I)的有机金属化合物的新方法,特别简单,方便实用:其中(ZR1m)n是桥连A和A'的二价基团; A和A独立地是-O - , - S - 或-N(R 2) - ,其中R 2是氢,烷基,环烷基,芳基,烷基芳基或芳基烷基; M是属于第3,4,5,6族的过渡金属或镧系元素或锕系元素基团; L是单阴离子σ配体,例如烷基,环烷基,芳基,烷基芳基或芳基烷基,任选地含有Si或Ge; L'是卤素或-OR 3,R 3是烃基; m为0,1或2; n为1-8; p为1-3; q是0-2。 所述方法包括在约(2 + p)摩尔当量的LjB或LMgL'的存在下使配体(HA)(ZR1m)n(A'-H)与约1摩尔当量的ML'反应,其中B是碱性或 碱土金属的s为3至6,j为1或2。