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    Catalyst components for the polymerization of olefins and catalysts therefrom obtained
    3.
    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

    Applicant: Mario Sacchetti ,  Diego Brita

    Inventor： Mario Sacchetti ,  Diego Brita

    IPC: C08F476

    CPC classification number: C08F10/00 ,  C08F110/02 ,  C08F4/6557 ,  C08F4/654 ,  C08F2500/12 ,  C08F2500/07 ,  C08F2500/18

    Abstract: 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.

    Abstract translation: 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
    4.
    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

    Applicant: Licio Zambon ,  Mario Sacchetti ,  Gianni Vitale

    Inventor： Licio Zambon ,  Mario Sacchetti ,  Gianni Vitale

    IPC: B01J3100

    CPC classification number: C08F10/00 ,  Y10S526/904 ,  Y10S526/908 ,  Y10S526/943 ,  C08F4/6492 ,  C08F4/651

    Abstract: 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.

    Abstract translation: 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。

    Components and catalysts for the polymerization of olefins
    5.
    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

    Applicant: Mario Sacchetti ,  Illaro Cuffiani ,  Gianni Pennini

    Inventor： Mario Sacchetti ,  Illaro Cuffiani ,  Gianni Pennini

    IPC: C08F464

    CPC classification number: C08F10/00 ,  C08F4/6543

    Abstract: 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.

    Abstract translation: 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？

    Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom
    7.
    发明授权
    Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom 有权
    二氯化镁 - 醇加合物，其制备方法和由其获得的催化剂组分

    公开(公告)号：US06437061B1

    公开(公告)日：2002-08-20

    申请号：US09625605

    申请日：2000-07-26

    Applicant: Mario Sacchetti ,  Gabriele Govoni ,  Anna Fait

    Inventor： Mario Sacchetti ,  Gabriele Govoni ,  Anna Fait

    IPC: C08F444

    CPC classification number: C08F10/00 ,  B01J27/138 ,  B01J31/0201 ,  C08F110/06 ,  C08F4/022 ,  C08F4/6543 ,  C08F2500/18 ,  C08F4/6545 ,  C08F2500/20

    Abstract: The present invention relates to MgCl2.mROH.nH2O adducts, where R is a C1-C10 alkyl, 2≦m≦4.2, 0≦n≦0.7 , characterized by an X-ray diffraction spectrum in which, in the range of 2&thgr; diffraction angles between 5° and 15°, the three main diffraction lines are present at diffraction angles 2&thgr; of 8.8±0.2°, 9.4±0.2° and 9.8±0.2°, the most intense diffraction lines being the one at 2&thgr;=8.8±0.2°, the intensity of the other two diffraction lines being at least 0.2 times the intensity of the most intense diffraction line. Catalyst components obtained from the adducts of the present invention are capable to give catalysts for the polymerization of olefins characterized by enhanced activity and stereospecificity.

    Abstract translation: 本发明涉及MgCl 2·mROH·nH 2 O加合物，其中R是C 1 -C 10烷基，2 <= m <= 4.2,0 <= n <0.7，其特征在于X射线衍射光谱，其中在 2θ衍射角在5°和15°之间的范围内，三条主要的衍射线分别以8.8±0.2°，9.4±0.2°和9.8±0.2°的衍射角2θ处存在，最强的衍射线为2θ= 8.8±0.2°，其他两条衍射线的强度为最强衍射线强度的至少0.2倍。 由本发明的加合物得到的催化剂组分能够提供催化剂用于以增强的活性和立体定向性为特征的烯烃聚合。

    Catalysts for the (co)polymerization of ethylene
    8.
    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

    Applicant: Mario Sacchetti ,  Illaro Cuffiani

    Inventor： Mario Sacchetti ,  Illaro Cuffiani

    IPC: B01J3102

    CPC classification number: C08F10/00 ,  C08F4/6494

    Abstract: 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).

    Abstract translation: 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。

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