Metallocene compounds
    261.
    发明授权
    Metallocene compounds 有权
    茂金属化合物

    公开(公告)号:US07842764B2

    公开(公告)日:2010-11-30

    申请号:US11886646

    申请日:2006-03-15

    CPC classification number: C07F17/00

    Abstract: A bridged metallocene compound of formula (I) wherein: M is an atom of a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon-based group; R1 is a C1-C40 hydrocarbon radical; R2 and R3, form together a condensed 3-7 membered ring; R4 is a hydrogen atom or a C1-C40 hydrocarbon radical; W is an aromatic 5 or 6 membered ring.

    Abstract translation: 式(I)的桥接茂金属化合物,其中:M是过渡金属的原子; X是氢原子,卤原子或烃基; R1是C1-C40烃基; R2和R3一起形成稠合的3-7元环; R4是氢原子或C1-C40烃基; W是芳族5或6元环。

    CATALYST FOR THE POLYMERIZATION OF OLEFINS
    262.
    发明申请
    CATALYST FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    烯烃聚合催化剂

    公开(公告)号:US20100292420A1

    公开(公告)日:2010-11-18

    申请号:US12733340

    申请日:2008-08-19

    CPC classification number: C08F10/02 C08F110/02 C08F4/6465 C08F2500/12

    Abstract: The present invention relates to catalysts for the polymerization of ethylene and its mixtures with olefins CH2═CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising (A) a solid catalyst component comprising Ti, Mg, halogen, and optionally an electron donor compound in a donor/Ti molar ratio lower than 3, (B) an aluminum alkyl compound and (C) a silicon compound of formula RmSi(OEt)n in which R is C1-C20 alkyl group, m is an integer ranging from 1 to 3, n is (4-m) with the proviso that when R is equal to, or higher than, C3 m is 1 or 2. The catalyst of the invention is suitably used in (co)polymerization processes of ethylene to prepare (co)polymers having narrow Molecular Weight Distribution (MWD) and high activity.

    Abstract translation: 本发明涉及用于乙烯及其与烯烃CH 2 = CHR的混合物的聚合的催化剂,其中R是具有1-12个碳原子的烷基,环烷基或芳基,其包含(A)固体催化剂组分,其包含Ti,Mg, 卤素和任选的供体/ Ti摩尔比低于3的电子给体化合物,(B)烷基铝化合物和(C)其中R为C1-C20烷基的式RmSi(OEt)n的硅化合物, m为1〜3的整数,n为(4-m),条件是当R为等于或高于C 3,m为1或2.本发明的催化剂适用于(共) 乙烯的聚合方法制备具有窄分子量分布(MWD)和高活性的(共)聚合物。

    Catalyst component for the polymerization of olefins
    263.
    发明申请
    Catalyst component for the polymerization of olefins 审中-公开
    用于烯烃聚合的催化剂组分

    公开(公告)号:US20100240845A1

    公开(公告)日:2010-09-23

    申请号:US12308430

    申请日:2007-06-07

    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti, halogen and an electron donor is obtained by a batch process comprising: (A) A first step comprising reacting an adduct of formula MgCl2(ROH)n, where R is a C1-C10 alkyl group, and n is from 0.5 to 6, in a liquid medium comprising a titanium compound having at least a Ti—Cl bond at a temperature ranging from 0° C. to 80° C. and then removing the liquid medium; (B) A subsequent step comprising reacting the solid product obtained in (A) in a liquid medium comprising an electron donor ED selected from ethers, esters, ketones, silanes, amines, nitriles and amides, and a titanium compound having at least a Ti—Cl bond at a temperature higher than 80° C. and then, after removing the liquid medium; (C) A subsequent step comprising reacting the solid product coming from (B) with a liquid medium comprising a titanium compound having at least a Ti—Cl bond at a temperature higher than 80° C.

    Abstract translation: 通过间歇方法获得包含Mg,Ti,卤素和电子给体的烯烃聚合的催化剂组分,其包括:(A)第一步,包括使式MgCl 2(ROH)n的加合物反应,其中R是C1-C10 烷基,n为0.5〜6,在包含在0℃〜80℃的温度范围内具有至少Ti-Cl键的钛化合物的液体介质中,然后除去液体介质; (B)后续步骤,包括使(A)中获得的固体产物在包含选自醚,酯,酮,硅烷,胺,腈和酰胺的电子给体ED的液体介质中,和至少具有Ti -Cl键在高于80℃的温度下,然后除去液体介质; (C)随后的步骤包括使来自(B)的固体产物与包含在高于80℃的温度下具有至少Ti-Cl键的钛化合物的液体介质反应。

    CATALYST FOR THE POLYMERIZATION OF OLEFINS
    264.
    发明申请
    CATALYST FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    烯烃聚合催化剂

    公开(公告)号:US20100222528A1

    公开(公告)日:2010-09-02

    申请号:US12733352

    申请日:2008-08-19

    CPC classification number: C08F10/02 C08F110/06 C08F4/6465 C08F2500/12

    Abstract: The present invention relates to catalysts for the polymerization of olefins, in particular ethylene and its mixtures with olefins CH2═CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising a solid catalyst component comprising Ti, Mg, halogen and optionally an electron donor, an aluminum alkyl compound and a particular class of silanes compounds as external electron donor compounds. The catalysts of the invention are suitably used in (co)polymerization processes of ethylene to prepare (copolymers having narrow Molecular Weight Distribution (MWD) and high activity.

    Abstract translation: 本发明涉及用于烯烃聚合的催化剂,特别是乙烯及其与烯烃CH 2 = CHR的混合物,其中R是具有1-12个碳原子的烷基,环烷基或芳基,其包含固体催化剂组分,其包含Ti,Mg 卤素和任选的电子给体,烷基铝化合物和特定类别的硅烷化合物作为外部电子给体化合物。 本发明的催化剂适用于乙烯的(共)聚合方法(共聚物具有窄分子量分布(MWD)和高活性的共聚物。

    Highly stereoregular polypropylene with improved properties
    265.
    发明授权
    Highly stereoregular polypropylene with improved properties 有权
    高立体定向聚丙烯具有改进的性能

    公开(公告)号:US07772346B2

    公开(公告)日:2010-08-10

    申请号:US11496924

    申请日:2006-08-01

    Abstract: Propylene polymers having a content of isotactic pentads (mmmm) higher than 97%, molecular weight distribution, expressed by the formula (a) ratio, equal to or higher than 6 and a value of formula (b) ratio equal to or lower than 5.5. The said polymers are prepared in the presence of a particular combination of Ziegler-Natta solid catalyst components and highly stereoregulating electron-donor compounds. Laminated articles, in particular bi-axially oriented films and sheets, can be prepared with the said polymers. M _ w / M _ n ( a ) M _ z / M _ w ( b )

    Abstract translation: 具有高于97%的全同立构五单元组(mmmm)含量的丙烯聚合物,由式(a)比率表示的分子量分布等于或高于6,式(b)的值等于或低于5.5 。 所述聚合物在齐格勒 - 纳塔固体催化剂组分和高度立构调节电子给体化合物的特定组合的存在下制备。 可以用所述聚合物制备层压制品,特别是双轴取向膜和片材。 M _ w / M _ n(a)M _ z / M _ w(b)

    Process for the Nucleation of Polypropylene Resins
    267.
    发明申请
    Process for the Nucleation of Polypropylene Resins 审中-公开
    聚丙烯树脂成核过程

    公开(公告)号:US20100160540A1

    公开(公告)日:2010-06-24

    申请号:US11990108

    申请日:2006-07-21

    CPC classification number: C08L23/10 C08L2205/02 C08L2666/06

    Abstract: Use of propylene polymers having Polydispersity Index value P.I.(2) greater than or equal to 15 for the nucleation of polypropylene resins having a Polydispersity Index value P.I.(1) fulfilling the equation P.I.(2)−P.I.(1)≧10.

    Abstract translation: 使用具有多分散指数值P.I.(2)大于或等于15的丙烯聚合物,其具有满足方程式P.I.(2)-P.I.(1)≥10的具有多分散指数值P.I.(1)的聚丙烯树脂的成核。

    Catalyst components for the polymerization of olefins and catalysts therefrom obtained
    269.
    发明申请
    Catalyst components for the polymerization of olefins and catalysts therefrom obtained 审中-公开
    用于烯烃聚合的催化剂组分及其催化剂

    公开(公告)号:US20100029869A1

    公开(公告)日:2010-02-04

    申请号:US12448288

    申请日:2007-12-10

    Abstract: A catalyst component comprising Ti, Mg, Cl, and optionally ORI groups in which RI is a C1-C20 hydrocarbon group up to an amount such as to give a molar ORI/Ti ratio lower than 0.5, characterized by the following properties: surface area, determined by BET method, of lower than 80 m2/g, a total porosity (PT), measured by the mercury method, in the range of 0.60-1.50 cm3/g a difference (PT−PF) of higher than 0.1 in which PT is the total porosity and PF is the porosity due to pore with radius equal to or less than 1 μm; an amount of Ti in the catalyst component of less that 10% wt based on the total weight of catalyst component. The said catalyst components show high morphological stability under the low molecular weight ethylene polymerization conditions while at the same time maintaining characteristics of high activity.

    Abstract translation: 一种催化剂组分,其包含Ti,Mg,Cl和任选的ORI基团,其中RI是C1-C20烃基,直到其摩尔ORI / Ti比低于0.5,其特征在于以下性质:表面积 通过BET法测定,低于80m2 / g,通过汞法测量的总孔隙率(PT)在0.60-1.50cm 3 / ga差异(PT-PF)的范围内高于0.1的PT,其中PT 是总孔隙率,PF是由于具有等于或小于1um的孔的孔隙度; 基于催化剂组分的总重量,催化剂组分中Ti的量小于10%wt。 所述催化剂组分在低分子量乙烯聚合条件下显示出高的形态稳定性,同时保持高活性的特性。

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