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    Components of catalysts for polymerizing alpha-olefins and the catalysts formed from the components
    2.
    发明授权
    Components of catalysts for polymerizing alpha-olefins and the catalysts formed from the components 失效
    用于聚合α-烯烃的催化剂和由组分形成的催化剂的组分

    公开(公告)号：US4220554A

    公开(公告)日：1980-09-02

    申请号：US909047

    申请日：1978-05-24

    申请人： Umberto Scata ,  Luciano Luciani ,  Pier C. Barbe

    发明人： Umberto Scata ,  Luciano Luciani ,  Pier C. Barbe

    IPC分类号： C08F4/00 ,  C08F4/02 ,  C08F4/60 ,  C08F4/64 ,  C08F4/654 ,  C08F10/00

    CPC分类号： C08F10/00 ,  C08F4/022 ,  Y10S526/908

    摘要： New components of catalysts for polymerizing alpha-olefins, and the catalysts formed from the new components are disclosed. Said catalyst components are prepared by reacting Ti compounds with a carrier in the form of spheroidal particles of specified characteristics and which consists of or comprises an Mg compound, or mixture of Mg compounds of the formulaX.sub.n Mg(OR).sub.2-n (I)in which 0.ltoreq.n.ltoreq.2, R is an alkyl, aryl, cycloalkyl radical containing from 1 to 20 carbon atoms, X is halogen or a group OR' in which R' is an alkyl, aryl or cycloalkyl radical containing from 1 to 20 carbon atoms and is the same or different from R in formula (I).

    摘要翻译： 公开了用于聚合α-烯烃的催化剂的新组分和由新组分形成的催化剂。 所述催化剂组分通过使Ti化合物与具有特定特征的球形颗粒形式的载体反应制备，其由Mg化合物或式XnMg（OR）2-n（I）的Mg化合物组成或包含Mg化合物或 其中0≤n≤2，R是含有1至20个碳原子的烷基，芳基，环烷基，X是卤素或OR'，其中R'是烷基，芳基或环烷基，其含有 1至20个碳原子，并且与式（I）中的R相同或不同。

    Components and catalyst for the polymerization olefins
    4.
    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

    申请人： Pier C. Barbe' ,  Luciano Noristi ,  Gianni Pennini ,  Enrico Albizzati

    发明人： Pier C. Barbe' ,  Luciano Noristi ,  Gianni Pennini ,  Enrico Albizzati

    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。

    Components and catalysts for the polymerization of olefins
    6.
    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：US4522930A

    公开(公告)日：1985-06-11

    申请号：US465594

    申请日：1983-02-10

    申请人： Enrico Albizzati ,  Sandro Parodi ,  Pier C. Barbe

    发明人： Enrico Albizzati ,  Sandro Parodi ,  Pier C. Barbe

    IPC分类号： C08F4/00 ,  C08F4/02 ,  C08F4/60 ,  C08F4/64 ,  C08F4/658 ,  C08F10/00

    CPC分类号： C08F10/00

    摘要： Catalysts for the polymerization of alpha-olefins, which comprise the product of the reaction between:(a) a metalorganic compound of Al;(b) an electron-donor compound reactive towards MgCl.sub.2 but which is not completely complexed with AlEt.sub.3, at the equivalent point of a potentiometric titration under standard conditions;(c) a solid comprising a halogenated Ti compound and an electron-donor belonging to particular classes of compounds and being extractable with AlEt.sub.3 for at least 70% by mols from the solid, the surface area of which after extraction is higher than 20 m.sup.2 /g.The present invention refers to new supported components of catalysts for the polymerization of olefins CH.sub.2 .dbd.CHR, in which R is an alkyl with 1-14 carbon atoms or an aryl, and of mixtures of such olefins with each other and/or with ethylene, and to the catalysts obtained from such components.

    摘要翻译： 用于α-烯烃聚合的催化剂，其包括以下反应的产物：（a）Al的金属有机化合物; （b）在标准条件下在电位滴定的等效点处，与MgCl 2反应但不与AlEt3完全络合的电子给体化合物; （c）包含卤化Ti化合物和属于特定类别化合物的电子给体的固体，并且可与AlEt3一起从固体中提取至少70％的摩尔数，其提取后的表面积高于20m 2 / G。 本发明涉及用于烯烃CH 2 = CHR（其中R是具有1-14个碳原子的烷基或芳基）和这些烯烃与彼此和/或与乙烯的混合物的聚合的催化剂的新的负载组分， 和由这些组分获得的催化剂。

    Catalyst component and catalyst for the polymerization of alpha-olefins to stereoregular polymers having narrow molecular weight distribution
    7.
    发明授权
    Catalyst component and catalyst for the polymerization of alpha-olefins to stereoregular polymers having narrow molecular weight distribution 失效
    用于将α-烯烃聚合成具有窄分子量分布的立体规则聚合物的催化剂组分和催化剂

    公开(公告)号：US4980329A

    公开(公告)日：1990-12-25

    申请号：US353223

    申请日：1989-05-15

    申请人： Pier C. Barbe ,  Enrico Albizzati ,  Umberto Giannini ,  Giovanni Baruzzi ,  Luciano Noristi

    发明人： Pier C. Barbe ,  Enrico Albizzati ,  Umberto Giannini ,  Giovanni Baruzzi ,  Luciano Noristi

    IPC分类号： B01J37/00 ,  B01J31/38 ,  C08F4/60 ,  C08F4/64 ,  C08F4/643 ,  C08F4/654 ,  C08F10/00

    CPC分类号： C08F10/00

    摘要： Disclosed is a component for a catalyst for the polymerization of alpha-olefins to stereoregular polymers having narrow molecular weight distribution. The product is formed by the reaction of a solid catalyst-forming component comprising (1) a Ti compound having at least one Ti-halogen bond and (2) optionally, an electron-donor compound, supported on an anhydrous Mg dihalide in active form, with certain amounts of an organic compound (AH) containing at least one active hydrogen atom, in the presence of a liquid medium which is inert with respect to the Ti compound and the other components of the catalyst component, and which has a dielectric constant greater than 2 at 20.degree. C.Catalysts comprising the reaction product of the solid catalyst component prepared as above described, with an Al-alkyl compound and an electron-donor compound are also disclosed.

    摘要翻译： 公开了用于将α-烯烃聚合成具有窄分子量分布的立体规则聚合物的催化剂的组分。 该产物是由固体催化剂形成组分反应形成的，该组分包含（1）具有至少一个Ti-卤素键的Ti化合物和（2）任选的电子给体化合物，负载在活性形式的无水Mg二卤化物上 在一定量的含有至少一个活性氢原子的有机化合物（AH）的存在下，相对于Ti化合物和催化剂组分的其它组分是惰性的，并且具有介电常数 在20℃下大于2的催化剂也包括如上所述制备的固体催化剂组分与烷基铝化合物和电子给体化合物的反应产物。

    Components and catalysts for the polymerization of olefins
    8.
    发明授权
    Components and catalysts for the polymerization of olefins 失效

    公开(公告)号：US4904628A

    公开(公告)日：1990-02-27

    申请号：US149894

    申请日：1988-01-28

    申请人： Enrico Albizzati ,  Sandro Parodi ,  Pier C. Barbe

    发明人： Enrico Albizzati ,  Sandro Parodi ,  Pier C. Barbe

    IPC分类号： C08F4/00 ,  C08F4/02 ,  C08F4/60 ,  C08F4/64 ,  C08F4/658 ,  C08F10/00

    CPC分类号： C08F10/00

    摘要： Catalysts for the polymerization of alpha-olefins, which comprise the product of the reaction between:(a) a metallorganic compound of Al;(b) an electron-donor compound reactive towards MgCl.sub.2 but which is not completely complexed with AlEt.sub.3, at the equivalent point of a potentiometric titration under standard conditions;(c) a solid comprising a halogenated Ti compound and an electron-donor belonging to particular classes of compounds and being extractable with AlEt.sub.3 for at least 70% by mols from the solid, the surface area of which after extraction is higher than 20 m.sup.2 /g.The present invention refers to new supported components of catalysts for the polymerization of olefins CH.sub.2 .dbd.CHR, in which R is an alkyl with 1-4 carbon atoms or an aryl, and of mixtures of such olefins with each other and/or with ethylene, and to the catalysts obtained from such components.

    Catalysts for the polymerization of olefins
    9.
    发明授权
    Catalysts for the polymerization of olefins 失效
    用于烯烃聚合的催化剂

    公开(公告)号：US4473660A

    公开(公告)日：1984-09-25

    申请号：US465595

    申请日：1983-02-10

    申请人： Enrico Albizzati ,  Sandro Parodi ,  Pier C. Barbe

    发明人： Enrico Albizzati ,  Sandro Parodi ,  Pier C. Barbe

    IPC分类号： C08F4/00 ,  C08F4/02 ,  C08F4/60 ,  C08F4/64 ,  C08F4/654 ,  C08F10/00

    CPC分类号： C08F10/00

    摘要： Catalysts for the polymerization of olefins, comprising the product of the reaction between:(a) an Al-alkyl compound;(b) an electron-donor compound capable of reacting with MgCl.sub.2 but which is not completely complexed with Al-triethyl at the equivalent point of a potentiometric titration under standard conditions and belonging to particular classes of compounds; and(c) a solid comprising a Ti compound having at least a Ti-halogen bond and an electron-donor compound belonging to particular classes of esters, both supported on a Mg halide in active form.

    摘要翻译： 用于烯烃聚合的催化剂，包括以下反应的产物：（a）烷基铝化合物; （b）在标准条件下属于特定类别的化合物的电位滴定的等效点，能够与MgCl 2反应但不与Al-三乙基完全络合的电子给体化合物; 和（c）包含至少具有Ti-卤键的Ti化合物和属于特定种类的电子给体化合物的固体的固体，两者都负载在活性形式的卤化镁上。