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    Hyperpure propylene polymer
    3.
    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

    申请人： Luciano Noristi ,  Giovanni Baruzzi

    发明人： Luciano Noristi ,  Giovanni Baruzzi

    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。

    Catalyst component and catalyst for the polymerization of alpha-olefins to stereoregular polymers having narrow molecular weight distribution
    4.
    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。

    Process for preparing thermally stable olefinic polymers
    6.
    发明授权
    Process for preparing thermally stable olefinic polymers 失效

    公开(公告)号：US4960593A

    公开(公告)日：1990-10-02

    申请号：US331702

    申请日：1989-03-31

    申请人： Franco Sevini ,  Luciano Noristi

    发明人： Franco Sevini ,  Luciano Noristi

    IPC分类号： C08F10/00

    CPC分类号： C08F10/00

    摘要： Thermally stable olefin polymers are obtained by addition, before or during polymerization, or after polymerization is substantially complete, but before quenching the catalyst, which terminates the polymerization reaction, of stabilizers of the HALS type ("Hindered Amine Light Stabilizer") of monomeric or oligomeric type, containing in the molecule one or more substituted piperidyl groups having formula: ##STR1## wherein R1 are the same or different from each other and are C.sub.1 -C.sub.4 alkyl radicals, tetramethylpiperidyl radicals, or the alkyl radicals, together with the piperidyl carbon atom to which they are bonded, form a C.sub.5 -C.sub.9 cycloalkyl radical; R.sub.2 are the same or different from each other and are hydrogen, C.sub.1 -C.sub.18 alkyl radicals, C.sub.7 -C.sub.18 aralkyl radicals, or said alkyl radicals together with the piperidyl carbon atom to which they are bonded, are a C.sub.5 -C.sub.10 cycloalkyl radical; R.sub.3 are the same or different from each other and are hydrogen, C.sub.1 -C.sub.18 alkyl radicals or C.sub.7 -C.sub.18 aralkyl radicals; R.sub.4 is hydrogen, a C.sub.1 -C.sub.8 alkyl radical or a benzyl radical; Z is hydrogen or an organic radical. Suitable organic radicals include C.sub.1 -C.sub.18 alkyl; C.sub.1 -C.sub.12 alkylene; C.sub.3 -C.sub.12 alkenyl; C.sub.3 -C.sub.5 alkenyl; C.sub.7 -C.sub.18 aralkyl; C.sub.2 -C.sub.4 acyl; C.sub.2 -C.sub.18 alkanoyl; C.sub.3 -C.sub.18 alkoxyalkyl; C.sub.3 -C.sub.18 alkenoyl; oxyl; cyanomethyl, and xylylenyl radicals; a radical having valence from 1 to 4 and containing from 1 to 4 hydroxyl groups and, optionally, containing ether, ester, or heterocyclic groups, all the valences of this radical being bonded to the nitrogen of the piperidyl rings; a bivalent radical containing one or more ester or amide groups, and a radical ##STR2## wherein R.sub.5 and R.sub.6 are hydrocarbyl radicals. Preferably Z is a C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.8 alkenyl, C.sub.7 -C.sub.11 aralkyl, or a bivalent radical containing one or more ester groups wherein the two valences of said radicals are bonded to piperidyl rings.

    Components and catalysts for the polymerization of olefins
    7.
    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：US5244854A

    公开(公告)日：1993-09-14

    申请号：US856775

    申请日：1992-03-24

    申请人： Luciano Noristi ,  Antonio Monte

    发明人： Luciano Noristi ,  Antonio Monte

    IPC分类号： C08F4/642 ,  C08F4/60 ,  C08F4/654 ,  C08F10/00 ,  C08F110/00

    CPC分类号： C08F10/00

    摘要： Catalyst components for the polymerization of olefins, obtained by reacting a tetravalent titanium halide or halogen alcoholate and an electron-donor compound with a solid comprising a porous metallic oxide containing hydroxyl groups on the surface, on which is supported a magnesium dihalide or a magnesium compound which does not contain Mg-C bonds and can be transformed into a dihalide, characterized in that the quantity of Mg supported on the oxide prior to the reaction with titanium compound, and present in the catalyst component after the reaction with the Ti compound, is from 5% to 12% weight with respect to the weight of the catalyst component.

    摘要翻译： 通过使四价钛卤化物或卤素醇化物和电子给体化合物与包含表面上含有羟基的多孔金属氧化物的固体反应获得的用于烯烃聚合的催化剂组分，其上负载有二卤化镁或镁化合物 其不含Mg-C键并且可以转化成二卤化物，其特征在于，与钛化合物反应之前负载在氧化物上的Mg并与Ti化合物反应后存在于催化剂组分中的Mg的量为 相对于催化剂组分的重量为5重量％至12重量％。

    Components and catalyst for the polymerization olefins
    8.
    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。

    Process for the (co)polymerization of olefins
    10.
    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

    申请人： Gianni Collina ,  Tiziano Dall'occo ,  Maurizio Galimberti ,  Enrico Albizzati ,  Luciano Noristi

    发明人： Gianni Collina ,  Tiziano Dall'occo ,  Maurizio Galimberti ,  Enrico Albizzati ,  Luciano Noristi

    IPC分类号： C08F4/658 ,  C08F2/42 ,  C08F2/48 ,  C08F4/642 ,  C08F4/654 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/06 ,  C08F110/06 ,  C08F297/08 ,  C08G63/48

    CPC分类号： C08F297/08 ,  C08F10/00 ,  C08F10/06 ,  C08F110/06 ,  C08F2410/05 ,  C08F4/65912

    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。