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: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
    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: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。

    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: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?

    Catalyst-forming components and catalysts prepared therefrom useful in
the polymerization of olefins
    5.
    发明授权
    Catalyst-forming components and catalysts prepared therefrom useful in the polymerization of olefins 失效
    催化剂形成组分和由其制备的催化剂可用于烯烃聚合

    公开(公告)号:US4305840A

    公开(公告)日:1981-12-15

    申请号:US88162

    申请日:1979-10-25

    CPC分类号: C08F10/00 C08F4/022

    摘要: There are disclosed new catalyst-forming components and catalysts prepared therefrom which, used in the polymerization of olefins, result in high yields of polyolefins having a narrow molecular weight distribution and which do not require special purifying after-treatments for the removal of catalyst residues. More particularly, the new catalyst components and catalysts prepared from them are useful in the polymerization of ethylene or alpha-olefins CH.sub.2 .dbd.CHR, in which R is an alkyl or aryl radical of from 1 to 8 carbon atoms, or mixtures of ethylene with said alpha-olefins.

    摘要翻译: 公开了新的催化剂形成组分和由其制备的催化剂,其用于烯烃聚合中,导致具有窄分子量分布的高产率聚烯烃,并且不需要特殊的净化后处理以除去催化剂残余物。 更具体地说,由它们制备的新催化剂组分和催化剂可用于乙烯或α-烯烃CH 2 = CHR的聚合,其中R是具有1至8个碳原子的烷基或芳基,或乙烯与所述 α-烯烃。

    Catalyst components for the polymerization of ethylene and of mixtures
thereof with olefins and catalysts obtained therefrom
    6.
    发明授权
    Catalyst components for the polymerization of ethylene and of mixtures thereof with olefins and catalysts obtained therefrom 失效
    用于乙烯聚合的催化剂组分及其与烯烃的混合物和由其获得的催化剂

    公开(公告)号:US4517307A

    公开(公告)日:1985-05-14

    申请号:US452152

    申请日:1982-12-22

    摘要: Components of catalysts for the polymerization of ethylene and of mixtures thereof with other olefins, in the form of emulsions or dispersions, in an inert liquid medium or in an inert gas phase of a liquid phase, comprising a compound of a metal of Groups IV to VI inclusive, of the Mendelyeev Periodic System, or a composition containing such a compound of the Mendelyeev Periodic System, which compound or composition is immiscible with aliphatic hydrocarbons, or which components are obtained from emulsions or dispersions, in an inert liquid medium or in gas phase, of a precursor of the catalyst component which, in the liquid state, is immiscible with the aliphatic hydrocarbons.An object of this invention is to provide new catalyst components for use in the polymerization of ethylene and of mixtures thereof with olefins and the catalysts obtained therefrom.More particularly, the invention provides new liquid catalytic components used in emulsion or dispersion in an inert liquid medium and the use of the catalysts deriving therefrom in the polymerization of ethylene and of mixtures thereof with alpha-olefins and/or with polyenes containing at least two double bonds.

    摘要翻译: 用于乙烯聚合的催化剂及其与惰性液体介质或惰性气相中的乳液或分散体形式的其它烯烃的混合物的组分,其包含第IV族至第 VI,包括Mendelyeev定期系统的组合物,或含有这种化合物或组合物与脂肪烃不混溶的这种化合物的组合物,或哪些组分由乳液或分散体在惰性液体介质或气体中获得 在液态下与脂族烃不混溶的催化剂组分的前体相。 本发明的目的是提供用于乙烯及其与烯烃的混合物的聚合的新催化剂组分和由其获得的催化剂。 更具体地说,本发明提供了用于惰性液体介质中的乳液或分散体中的新的液体催化组分,以及由其衍生的催化剂在乙烯聚合中的用途及其与α-烯烃和/或与含有至少两个 双重债券。

    Catalysts and processes for the polymerization of olefins
    7.
    发明授权
    Catalysts and processes for the polymerization of olefins 失效
    催化剂和烯烃聚合方法

    公开(公告)号:US6136932A

    公开(公告)日:2000-10-24

    申请号:US176188

    申请日:1998-10-21

    摘要: Catalysts for the polymerization of olefins which comprise the reaction product of (a) a bridged and/or substituted cyclopentadienyl compound of titanium, zirconium, or hafnium; (b) an organometallic aluminum compound of formula Al(CH.sub.2 --CR.sup.4 R.sup.5 R.sup.6).sub.w R.sup.7.sub.y H.sub.z, wherein in the (CH.sub.2 --CR.sup.4 R.sup.5 R.sup.6) groups, which are the same or different, R.sup.4 is an alkyl, alkenyl or arylalkyl group having from 1 to 10 carbon atoms, R.sup.5 is an alkyl, alkenyl, aryl, arylalkyl or alkylaryl group having from 3 to 50 carbon atoms and, optionally, R.sup.4 and R.sup.5 can be fused together to form a ring having from 4-6 carbon atoms, R.sup.6 is hydrogen or an alkyl alkenyl or arylalkyl group having from 1 to 10 carbon atoms, the R.sup.7 substituents, the same or different, are alkyl, alkenyl, aryl, arylalkyl or alkylaryl radicals having from 1 to 10 carbon atoms and, optionally, can contain Si or Ge atoms, w is 1, 2 or 3, z is 0 or 1, and y=3-w-z; and (c) water. The molar ratio of aluminum to water is from 1:1 to 100:1. The catalysts show an improved activity with respect to known catalysts wherein an aluminum compound different from those of the invention are used.

    摘要翻译: 用于烯烃聚合的催化剂,其包含(a)钛,锆或铪的桥连和/或取代的环戊二烯基化合物的反应产物; (b)式A1(CH2-CR4R5R6)wR7yHz的有机金属铝化合物,其中在相同或不同的(CH2-CR4R5R6)基团中,R4是具有1至10个碳原子的烷基,烯基或芳基烷基 R 5是具有3至50个碳原子的烷基,烯基,芳基,芳基烷基或烷基芳基,并且任选地,R 4和R 5可以一起稠合形成具有4-6个碳原子的环,R 6是氢或烷基 具有1-10个碳原子的链烯基或芳基烷基,相同或不同的R 7取代基是具有1-10个碳原子的烷基,烯基,芳基,芳基烷基或烷基芳基,并且任选地可以含有Si或Ge原子, w为1,2或3,z为0或1,y = 3-wz; 和(c)水。 铝与水的摩尔比为1:1至100:1。 相对于已知的催化剂,催化剂显示出改善的活性,其中使用不同于本发明的铝化合物。

    Components and catalyst for the polymerization olefins
    10.
    发明授权
    Components and catalyst for the polymerization olefins 失效
    用于聚合烯烃的组分和催化剂

    公开(公告)号:US5139985A

    公开(公告)日:1992-08-18

    申请号:US657927

    申请日:1991-02-20

    IPC分类号: C08F4/654 C08F10/00

    CPC分类号: C08F10/00 Y10S526/904

    摘要: Catalyst components for the polymerization of olefins comprising a titanium or vanadium compound supported on a porous particulate polymeric support which particles have a porosity greater than 0.3 cc/g and a pore distribution such that at least 40% of the pores have radius greater than 150 .ANG..The catalyst components are prepared by impregnating the polymeric support with a solution of the Ti or V compound and evaporating the solvent.

    摘要翻译: 用于聚合烯烃的催化剂组分包括负载在多孔颗粒聚合物载体上的钛或钒化合物,其颗粒具有大于0.3cc / g的孔隙和孔分布,使得至少40%的孔的半径大于150 。 通过用Ti或V化合物的溶液浸渍聚合物载体并蒸发溶剂来制备催化剂组分。