Components and catalysts for the polymerization of olefins
    1.
    发明授权
    Components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的组分和催化剂

    公开(公告)号:US06388028B2

    公开(公告)日:2002-05-14

    申请号:US08878681

    申请日:1997-06-19

    IPC分类号: C08F464

    CPC分类号: C08F10/00 C08F4/6543

    摘要: The present invention relates to spherical solid catalyst components for the polymerization of olefins, comprising a titanium compound, supported on a magnesium halide, containing more than one Ti-halogen link and optionally containing groups different from halogen in an amount lower than 0.5 mole per mole of Ti. Spherical solid compounds of the invention are characterized by having a surface area, measured by the BET method, of lower than 70 m2/g, a total porosity, measured by the mercurium method, higher than 0.5 cm3/g and a pore radius such that at least 50% have values higher than 800 Å.

    摘要翻译: 本发明涉及用于烯烃聚合的球形固体催化剂组分,其包含负载在卤化镁上的钛化合物,其含有多于一个的Ti-卤素连接并且任选地含有少于0.5摩尔/摩尔量的不同于卤素的基团 的Ti。 本发明的球形固体化合物的特征在于具有通过BET法测量的表面积低于70m 2 / g,通过汞法测量的总孔隙率高于0.5cm 3 / g,孔半径使得 至少有50%的值高于800?

    Components and catalysts for the polymerization of olefins
    2.
    发明授权
    Components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的组分和催化剂

    公开(公告)号:US5585317A

    公开(公告)日:1996-12-17

    申请号:US500032

    申请日:1995-07-10

    CPC分类号: C08F10/00

    摘要: The present invention relates to spherical solid components of catalysts for the polymerization of olefins comprising, supported on a magnesium dihalide in active form, a titanium compound containing at least one Ti-halogen bond and one OR group, said OR group being bonded to Ti in an amount such that the OR/Ti molar ratio is greater than or equal to 0.5; optionally the component also comprises an electron donor compound. The spherical solid components of the invention are characterized by having a porosity comprised between 0.35 and 0.7 cm.sup.3 /g and by a pore size distribution such that at least 50% of the porosity is due to pores having an average radius greater than 800 .ANG..

    摘要翻译: 本发明涉及用于烯烃聚合的催化剂的球形固体组分,其包括负载在活性形式的二卤化镁上,含有至少一个Ti-卤素键的钛化合物和一个OR基团,所述OR基团与Ti键合 使OR / Ti摩尔比大于或等于0.5的量; 任选地,组分还包含电子给体化合物。 本发明的球形固体组分的特征在于具有0.35-0.7cm 3 / g的孔隙率和孔径分布,使得至少50%的孔隙率是由于平均半径大于800的孔。

    Components and catalysts for the polymerization of olefins
    3.
    发明授权
    Components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的组分和催化剂

    公开(公告)号:US5578541A

    公开(公告)日:1996-11-26

    申请号:US10750

    申请日:1993-01-29

    CPC分类号: C08F10/00

    摘要: The present invention relates to spherical solid components of catalysts for the polymerization of olefins comprising, supported on a magnesium dihalide in active form, a titanium compound containing at least one Ti-halogen bond, and optionally an electron donor compound. The spherical solid components of the invention are characterized by porosity values higher than 1 cm.sup.3 /g and a pore size distribution such that at least 30% of their pores have an average radius greater than 10000 .ANG..

    摘要翻译: 本发明涉及用于烯烃聚合的催化剂的球形固体组分,其包含负载在活性形式的二卤化镁上,含有至少一个Ti-卤素键的钛化合物和任选的电子给体化合物。 本发明的球形固体组分的特征在于高于1cm 3 / g的孔隙度值和孔径分布,使得其孔的至少30%的平均半径大于10000Ag。

    Catalysts for the (co)polymerization of ethylene
    5.
    发明授权
    Catalysts for the (co)polymerization of ethylene 失效
    乙烯(共)聚合的催化剂

    公开(公告)号:US06300273B1

    公开(公告)日:2001-10-09

    申请号:US08873580

    申请日:1997-06-12

    IPC分类号: B01J3102

    CPC分类号: C08F10/00 C08F4/6494

    摘要: The present invention relates to catalysts for the polymerization of ethylene and its mixtures with olefins CH2═CHRVIII, comprising the reaction product of a solid catalyst component containing Ti, Mg and halogen, an alkyl-Al compound and a particular electron donor compound selected from the compounds containing at least two oxygen atoms bonded to different carbon atoms and selected by standard tests of reactivity with triethyl-Al and MgCl2 compounds. The catalyst of the invention are used in processes for the (co)polymerization of ethylene to prepare (co)polymers having narrow molecular weight distribution (MWD).

    摘要翻译: 本发明涉及用于聚合乙烯及其与烯烃CH 2 = CHRVIII的混合物的催化剂,其包含含有Ti,Mg和卤素的固体催化剂组分,烷基-Al化合物和特定的电子给体化合物的反应产物,其选自 含有至少两个键合到不同碳原子上的氧原子的化合物,并通过与三乙基-Al和MgCl 2化合物的反应性的标准试验选择。 本发明的催化剂用于(共)聚合乙烯以制备具有窄分子量分布(MWD)的(共)聚合物的方法。

    Catalyst components for the polymerization of olefins and catalysts therefrom obtained
    8.
    发明授权
    Catalyst components for the polymerization of olefins and catalysts therefrom obtained 有权
    用于烯烃聚合的催化剂组分及其催化剂

    公开(公告)号:US06627710B1

    公开(公告)日:2003-09-30

    申请号:US09763218

    申请日:2001-02-16

    IPC分类号: C08F476

    摘要: The invention relates to catalyst components, suitable for the preparation of homopolymers and copolymers of ethylene having a broad molecular weight distribution (MWD), which comprise Ti, Mg, Cl, and are characterized by the following properties: surface area, determined by BET method, of lower than 100 m2/g, a total porosity, measured by the mercury method, of higher than 0.25 cm3/g, a pore radius distribution such that at least 45% of the total porosity is due to pores with radius up to 0.1 &mgr;m.

    摘要翻译: 本发明涉及适用于制备具有宽分子量分布(MWD)的乙烯的均聚物和共聚物的催化剂组分,其包含Ti,Mg,Cl,并且其特征在于以下性质:通过BET法测定的表面积 ,低于100m 2 / g,通过汞法测量的总孔隙率高于0.25cm 3 / g,孔半径分布使得总孔隙率的至少45%是由于 半径达0.1um的孔。

    Pre-polymerized catalyst components for the polymerization of olefins
    9.
    发明授权
    Pre-polymerized catalyst components for the polymerization of olefins 失效
    用于烯烃聚合的预聚合催化剂组分

    公开(公告)号:US06451726B1

    公开(公告)日:2002-09-17

    申请号:US09509657

    申请日:2000-03-30

    IPC分类号: B01J3100

    摘要: Components of catalysts for the polymerization of olefins are obtained by contacting a Ti compound of formula Ti(OR)n−yXy, where n is the valence of titanium and y is a number between 1 and n, with a pre-polymer having a porosity higher than 0.3 cc/g and containing from 0.5 to 100 g of polymer per g of solid catalyst component, the pre-polymer being obtained by (co)polymerizing an olefin or a diolefin in the presence of a catalyst comprising a Ti, V, Zr of Hf compound supported on an Mg dihalide having a mean crystallite dimension lower than 30 nm.

    摘要翻译: 用于烯烃聚合的催化剂的组分是通过使式Ti(OR)n-yXy的Ti化合物与其具有孔隙率的预聚物接触而获得的,其中n是钛的化合价,y是1和n之间的数, 高于0.3cc / g并且每克固体催化剂组分含有0.5至100g聚合物,该预聚物通过在包含Ti,V, 负载在平均微晶尺寸小于30nm的二氢卤化镁上的Hf化合物的Zr。