Components and catalyst for the polymerization olefins
    1.
    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。

    Catalyst component and catalyst for the polymerization of alpha-olefins
to stereoregular polymers having narrow molecular weight distribution
    2.
    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

    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。

    Catalysts components and catalysts for the polymerization of olefins
    5.
    发明授权
    Catalysts components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的催化剂组分和催化剂

    公开(公告)号:US4529716A

    公开(公告)日:1985-07-16

    申请号:US530703

    申请日:1983-09-09

    CPC分类号: C08F10/00

    摘要: Catalyst components for the stereoregular polymerization of alpha-olefins, comprising a Ti halide and an electron-donor compound supported on an anhydrous magnesium dihalide and obtained by means of non-extractive treatments, with liquids having a dielectric constant at 20.degree. C. equal to or higher than 2, of compositions comprising an anhydrous Mg dihalide, the crystallites of which have an average size lower than 300 .ANG..The present invention refers to new catalyst components and the catalysts obtained therefrom for the polymerization of alpha-olefins Ch.sub.2 .dbd.CHR, wherein R is an alkyl radical with 1-4 C atoms or an aryl radical, and of mixtures of said alpha-olefins with minor amounts of ethylene.

    摘要翻译: 用于α-烯烃的立体规则聚合的催化剂组分,其包含负载在无水二卤化镁上的Ti卤化物和电子给体化合物,并通过非萃取处理获得,其介电常数在20℃等于 或高于2的包含无水Mg二卤化物的组合物,其微晶的平均尺寸低于300安培姆。 本发明涉及新的催化剂组分和由此获得的用于α-烯烃Ch 2 = CHR聚合的催化剂,其中R是具有1-4个C原子的烷基或芳基,和所述α-烯烃与 少量乙烯。

    Process for the (co)polymerization of olefins
    7.
    发明授权
    Process for the (co)polymerization of olefins 失效
    烯烃(共)聚合方法

    公开(公告)号:US6028140A

    公开(公告)日:2000-02-22

    申请号:US865079

    申请日:1997-05-29

    摘要: Homopolymers or copolymers obtained by a multistage process of olefins having the formula CH.sub.2 .dbd.CHR, in which R is hydrogen or R has from 1 to 10 carbon atoms and is an alkyl, cycloalkyl or aryl group, the process comprising:(A) a first stage of polymerization in which one or more of the olefins are polymerized in the presence of a titanium or vanadium catalyst;(B) a treatment stage in which the product obtained in the first stage of polymerization (A) is brought into contact with a compound capable of deactivating the catalyst present in the stage (A); and also brought into contact with a compound of a transition metal M selected from the group consisting of Ti, Zr, V, or Hf containing at least one M-.pi. bond and optionally with an alkyl-Al compound; and(C) a second stage of polymerization in which one or more of the olefins are polymerized, in one or more reactors, in the presence of the product obtained in treatment stage (B).

    摘要翻译: 通过具有式CH 2 = CHR的烯烃的多阶段方法获得的均聚物或共聚物,其中R是氢或R具有1至10个碳原子并且是烷基,环烷基或芳基,所述方法包括:(A)第一 其中一种或多种烯烃在钛或钒催化剂存在下聚合的聚合阶段; (B)使在第一阶段(A)中获得的产物与能够使阶段(A)中存在的催化剂失活的化合物接触的处理阶段; 并且还与选自含有至少一个M-π键和任选与烷基-Al化合物的Ti,Zr,V或Hf组成的组中的过渡金属M的化合物接触; 和(C)在一个或多个反应器中,在处理阶段(B)中获得的产物存在下,使一种或多种烯烃聚合的第二阶段聚合。

    Hyperpure propylene polymer
    9.
    发明授权
    Hyperpure propylene polymer 失效
    高压丙烯聚合物

    公开(公告)号:US5557025A

    公开(公告)日:1996-09-17

    申请号:US675229

    申请日:1991-03-26

    IPC分类号: C08F10/00 C07C2/08 C07C2/22

    CPC分类号: C08F10/00

    摘要: A process for preparing hyperpure propylene (co)polymers comprising polymerizing the monomer(s) in liquid monomer in the presence of a catalyst obtained by reacting an Al-trialkyl compound with a solid catalyst component comprising magnesium dihalide in active form, having supported thereon a titanium chloride or chloroalcoholate, and an ether having the general formula: ##STR1## where R and R" are the same or different and are C.sub.2-18 alkyl, C.sub.3-18 cycloalkyl, C.sub.6-18 aryl, C.sub.7-18 arylalkyl or alkylaryl radicals.

    摘要翻译: 一种制备超纯丙烯(共)聚合物的方法,包括在通过使三烷基铝化合物与包含活性形式的二卤化镁的固体催化剂组分反应获得的催化剂存在下使液体单体聚合的单体,其上负载有 氯化钛或氯代醇化物,以及具有以下通式的醚:其中R和R“相同或不同,为C2-18烷基,C3-18环烷基,C6-18芳基,C7-18 芳基烷基或烷基芳基。