Process for the copolymerization of ethylene
    61.
    发明授权
    Process for the copolymerization of ethylene 失效
    乙烯共聚方法

    公开(公告)号:US07615597B2

    公开(公告)日:2009-11-10

    申请号:US10526656

    申请日:2003-08-19

    IPC分类号: C08F4/76 C08F4/64 C07F17/00

    摘要: A process for producing a polymer of ethylene containing from 0.1 to 99% by mol of one or more derived units of alpha-olefins and optionally from 0 to 5% by mol polyene, comprising contacting ethylene, one or more alpha-olefins and optionally said polyene, in the presence of a catalyst system obtainable by contacting: a) a metallocene compound of formula (I): wherein M is zirconium, hafnium or titanium; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group; R1 is a hydrocarbon group; R2, R3, R4 and R5 are hydrogen atoms, or hydrocarbon groups; R6 is a hydrocarbon group; L is a divalent bridging group, and T is a divalent radical of formula (II) or (III): wherein R8 and R9 are hydrogen or hydrocarbon groups; and b) an alumoxane or a compound capable of forming an alkyl metallocene cation.

    摘要翻译: 一种制备乙烯聚合物的方法,该聚合物含有0.1-99%(摩尔)一种或多种衍生的α-烯烃单元和任选的0-5%(摩尔)多烯,包括使乙烯,一种或多种α-烯烃和任选地所述 多烯,在可通过使a)金属茂化合物(I)表示的催化剂体系存在下,其中M是锆,铪或钛; X是氢原子,卤素原子或烃基; R1是烃基; R2,R3,R4和R5是氢原子或烃基; R6是烃基; L是二价桥基,T是式(II)或(III)的二价基团:其中R8和R9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。

    1-Butene Polymers Composition
    64.
    发明申请
    1-Butene Polymers Composition 有权
    1-丁烯聚合物组合物

    公开(公告)号:US20080319135A1

    公开(公告)日:2008-12-25

    申请号:US11632616

    申请日:2005-06-10

    IPC分类号: C08L23/00 C08L23/04 C08L23/10

    摘要: A 1-butene polymer composition comprising: a) from 5% by weight to 95% by weight of an atactic 1-butene-based polymer, having the following features: distribution of molecular weight Mw/Mn equal to or lower than 4; rr triads, measured by 13C-NMR comprised between 5% and 50%; no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); intrinsic viscosity (IV) measured in tetrahydronaphtalene (THN) at 135° C. comprised between 0.85 dl/g and 5.0 dl/g; and infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene-based polymer having the following features: isotactic pentads (mmmm) measured by 13C-NMR, higher than 80%; melting point higher than 80° C.; and intrinsic viscosity (IV) measured in tetrahydronaphtalene (THN) at 135° C. comprised between 0.1 dl/g and 5 dl/g.

    摘要翻译: 1-丁烯聚合物组合物,其包含:a)5重量%至95重量%的无规立构1-丁烯基聚合物,具有以下特征:分子量Mw / Mn等于或低于4的分布; 通过13 C-NMR测量的rr三单元组在5%和50%之间; 在差示扫描量热仪(DSC)上可检测不到融合焓; 在135℃下在四氢萘(THN)中测得的特性粘度(Ⅳ)为0.85dl / g至5.0dl / g; 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-丁烯基聚合物:通过13 C-NMR测量的全同立构五单元组(mmmm)高于80%; 熔点高于80℃。 在135℃下在四氢萘(THN)中测得的特性粘度(IV)为0.1dl / g至5dl / g。

    Process for polymerizing 1-butene
    65.
    发明授权
    Process for polymerizing 1-butene 有权
    1-丁烯聚合方法

    公开(公告)号:US07390862B2

    公开(公告)日:2008-06-24

    申请号:US10556373

    申请日:2004-05-07

    申请人: Luigi Resconi

    发明人: Luigi Resconi

    摘要: A process for polymerizing 1-butene, optionally with up to 30% by mol of ethylene, propylene or an alpha olefin of formula CH2═CHT wherein T is a C3-C10 alkyl group, in the presence of a catalyst system obtainable by contacting a metallocene compound of formula (I) Wherein M is an atom of a transition metal; X is a hydrogen atom, a halogen atoms or a hydrocarbon group; R1, R2, R5, R6, R7, R8 and R9 are hydrogen atoms or hydrocarbon groups; with the proviso that at least one of R6 or R7 is a C1-C20 alkyl group; R3 and R4 are C1-C20 alkyl groups; and an alumoxane and/or a compound capable of forming an alkyl metallocene cation

    摘要翻译: 聚合1-丁烯的方法,任选地含有至多30摩尔%的乙烯,丙烯或式CH 2 -CH 2的α-烯烃,其中T是C 3 - 在通过使式(I)的茂金属化合物接触而获得的催化剂体系的存在下,其中M是过渡金属的原子; X是氢原子,卤素原子或烃基; R 1,R 2,R 5,R 6,R 7, R 8和R 9是氢原子或烃基; 条件是R 6或R 7中的至少一个是C 1 -C 20烷基, ; R 3和R 4是C 1 -C 20烷基; 和铝氧烷和/或能够形成烷基茂金属阳离子的化合物

    Multistep Process For Preparing Heterophasic Propylene Copolymers
    67.
    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:US20070299208A1

    公开(公告)日:2007-12-27

    申请号:US10571403

    申请日:2004-08-04

    IPC分类号: C08F297/08 C08F2/00 C08F4/643

    摘要: A multistage process comprising the step of polymerizing propylene in the presence of a catalysts system, comprising one or more metallocene compound 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 R1 and R2, are C1-C20-alkyl radicals; T, equal to or different from each other, is a moiety of formula (IIb) or (IIa): wherein R3, R4, R5, R6, R7, R3′, R4′, R5′, R6′, R7′, are hydrogen atoms or hydrocarbon groups; with the proviso that at least one among R3, R4, R5, R6, R7 is different from hydrogen; R11 is a hydrogen atom or a hydrocarbon group; R8, R9 and R10, are hydrogen atoms or hydrocarbon groups; and further comprising the step of contacting, under polymerization conditions, in a gas phase, ethylene and one or more comonomers. Where the amount of the polymer obtained in the first step ranges from 4% by weight and 20% by weight, extremes excluded, of the polymer obtained in the whole process.

    摘要翻译: 一种多级方法,包括在催化剂体系存在下聚合丙烯的步骤,所述催化剂体系包含一种或多种式(I)的茂金属化合物:其中M是过渡金属的原子; p为0〜3的整数,X相同或不同,为氢原子,卤素原子或烃基; L是二价桥连R 1和R 2是C 1 -C 20 - 烷基; T为相同或不同的式(IIb)或(IIa)的部分:其中R 3,R 4,R 5, R SUP,R 6,R 7,R 3,S 4,R 4, 5',R 6',R 7'是氢原子或烃基; 条件是R 3,R 4,R 5,R 6,R 6和R 6中至少有一个, SUP> 7 不同于氢; R 11是氢原子或烃基; R 9,R 9和R 10是氢原子或烃基; 并且还包括在聚合条件下在气相中接触乙烯和一种或多种共聚单体的步骤。 当在第一步骤中获得的聚合物的量为4重量%且20重量%时,排除了在整个过程中获得的聚合物的极限。

    Multistep Process for Preparing Heterophasic Propylene Copolymers
    69.
    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
    70.
    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。