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    Catalyst component for the polymerization of olefins based on 1,3-diethers
    21.
    发明申请
    Catalyst component for the polymerization of olefins based on 1,3-diethers 审中-公开
    用于基于1,3-二醚的烯烃聚合的催化剂组分

    公开(公告)号：US20100240846A1

    公开(公告)日：2010-09-23

    申请号：US12308423

    申请日：2007-06-01

    Applicant: Gianni Collina ,  Ofelia Fusco ,  Benedetta Gaddi ,  Giampiero Morini ,  Mario Sacchetti ,  Gianni Vitale

    Inventor： Gianni Collina ,  Ofelia Fusco ,  Benedetta Gaddi ,  Giampiero Morini ,  Mario Sacchetti ,  Gianni Vitale

    IPC: C08F4/602 ,  C08F4/60

    CPC classification number: C08F10/00 ,  C08F110/06 ,  C08F4/651 ,  C08F2500/18 ,  C08F2500/24

    Abstract: Catalyst components for the polymerization of olefins comprising Mg, Ti, halogen and 1,3-diethers as internal donors having an improved balance of properties in terms of activity and morphological stability are obtained by a process comprising: (A) A first step comprising reacting an adduct of formula MgCl2(ROH)n, where R is a C1-C10 alkyl group, and n is from 0.5 to 6, with a titanium compound having at least a Ti—Cl bond at a reaction temperature ranging from 0° C. to 80° C.; (B) A subsequent step comprising contacting the solid product obtained in (A) with an electron donor ED selected from 1,3 diethers with a titanium compound having at least a Ti—Cl bond at a temperature higher than 80° C.; and (C) A subsequent step comprising reacting the solid product coming from (B) with a titanium compound having at least a Ti—Cl bond at a temperature higher than 80° C.

    Abstract translation: 通过包括以下步骤的方法获得包含Mg，Ti，卤素和作为内部供体的1,3-二醚作为内部供体具有改善的活性和形态稳定性能平衡的催化剂组分：（A）第一步，包括使 式中MgCl 2（ROH）n的加合物，其中R为C 1 -C 10烷基，n为0.5至6，钛化合物在0℃的反应温度下至少具有Ti-Cl键。 至80℃。 （B）随后的步骤包括使（A）中获得的固体产物与选自1,3二醚的电子给体ED与具有至少Ti-Cl键的钛化合物在高于80℃的温度下接触; 和（C）随后的步骤包括使来自（B）的固体产物与至少具有Ti-Cl键的钛化合物在高于80℃的温度下反应。

    Prepolymerized catalyst components for the polymerization of olefins
    24.
    发明授权
    Prepolymerized catalyst components for the polymerization of olefins 有权
    用于烯烃聚合的预聚催化剂组分

    公开(公告)号：US06468938B1

    公开(公告)日：2002-10-22

    申请号：US09273624

    申请日：1999-03-23

    Applicant: Gabriele Govoni ,  Mario Sacchetti ,  Gianni Vitale

    Inventor： Gabriele Govoni ,  Mario Sacchetti ,  Gianni Vitale

    IPC: B01J3100

    CPC classification number: C08F10/00 ,  C08F4/6465 ,  C08F4/651 ,  C08F4/6543 ,  C08F4/6492

    Abstract: The invention provides new prepolymerized catalyst components for the (co)polymerization of olefins CH2═CHR, wherein R is hydrogen or a C1-C12 alkyl group, characterized by comprising a solid catalyst component, comprising Ti, Mg, halogen and an electron donor compound, being capable of yielding, under standard polymerization conditions, a propylene homopolymer having an insolubility in xylene at 25° C. higher than 90%, which is prepolymerized with ethylene to such an extent that the amount of the ethylene prepolymer is up to 100 g per g of said solid catalyst component. These solid catalyst components display to obtain a high catalyst activity, a high isotactic index, and are not affected by aging.

    Abstract translation: 本发明提供用于烯烃CH 2 = CHR（其中R是氢或C 1 -C 12烷基）（共）聚合的新的预聚合催化剂组分，其特征在于包括固体催化剂组分，其包含Ti，Mg，卤素和电子给体化合物 在标准聚合条件下能够在25℃下在二甲苯中具有不溶性的丙烯均聚物高于90％，其与乙烯预聚合使得乙烯预聚物的量达到100g 每克所述固体催化剂组分。 显示这些固体催化剂组分以获得高催化剂活性，高全同立构指数，并且不受老化的影响。

    Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom
    25.
    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：US06407028B1

    公开(公告)日：2002-06-18

    申请号：US09625783

    申请日：2000-07-26

    Applicant: Mario Sacchetti ,  Gabriele Govoni ,  Anna Fait

    Inventor： Mario Sacchetti ,  Gabriele Govoni ,  Anna Fait

    IPC: B01J3100

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

    Abstract: The present invention relates to MgCl2.mROH.nH2O adducts, where R is a C1-C10 alkyl, 2≦m≦4.2, and 0≦n≦0.7, characterized by a differential scanning calorimetry (DSC) profile in which no peaks are present at temperatures below 90° C. or, if peaks are present below said temperature, the fusion enthalpy associated with said peaks is less than 30% of the total fusion enthalpy. 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 with respect to the catalysts prepared from the adducts of the prior art.

    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，其特征在于差示扫描量热法（DSC） 在低于90℃的温度下不存在峰，或者如果在所述温度以下存在峰，则与所述峰相关联的熔融焓小于总熔融焓的30％。 从本发明的加合物获得的催化剂组分能够产生用于烯烃聚合的催化剂，其特征在于相对于由现有技术的加合物制备的催化剂具有增强的活性和立体定向性。

    Multistage process for the (CO) polymerization of olefins
    28.
    发明授权
    Multistage process for the (CO) polymerization of olefins 失效
    烯烃（CO）聚合的多步法

    公开(公告)号：US5589549A

    公开(公告)日：1996-12-31

    申请号：US461136

    申请日：1995-06-05

    Applicant: Gabriele Govoni ,  Mario Sacchetti ,  Stefano Pasquali

    Inventor： Gabriele Govoni ,  Mario Sacchetti ,  Stefano Pasquali

    IPC: C08F4/642 ,  C08F4/60 ,  C08F4/68 ,  C08F10/00 ,  C08F210/16 ,  C08F295/00 ,  C08F10/06

    CPC classification number: C08F295/00 ,  C08F10/00 ,  C08F110/06 ,  C08F2410/05 ,  Y10S526/901 ,  Y10S526/943

    Abstract: Multistage process for the polymerization of olefins CH.sub.2 .dbd.CHR, where R is hydrogen or an alkyl, cycloalkyl or aryl radical with 1-10 carbon atoms, comprising two stages of polymerization. In a first stage, in the presence of a titanium or a vanadium catalyst and working in one or more reactors, an olefinic polymer with particular values of porosity is prepared; in a second stage, in the presence of the said porous polymer and a metallocene compound and/or their reaction products, one or more olefins, that are equal to or different from those polymerized in the first stage, are polymerized in one or more reactors.

    Abstract translation: 用于烯烃CH 2 = CHR聚合的多阶段方法，其中R是氢或具有1-10个碳原子的烷基，环烷基或芳基，包括两个阶段的聚合。 在第一阶段中，在钛或钒催化剂的存在下并在一个或多个反应器中加工，制备具有特定孔隙率的烯属聚合物; 在第二阶段中，在所述多孔聚合物和茂金属化合物和/或其反应产物的存在下，与在第一阶段聚合的那些相同或不同的一种或多种烯烃在一个或多个反应器 。

    Process for the (co)polymerization of ethylene
    30.
    发明授权
    Process for the (co)polymerization of ethylene 失效
    乙烯（共）聚合的方法

    公开(公告)号：US07019097B2

    公开(公告)日：2006-03-28

    申请号：US10471497

    申请日：2002-03-11

    Applicant: Mario Sacchetti ,  Diego Brita

    Inventor： Mario Sacchetti ,  Diego Brita

    IPC: C08F110/02 ,  C08F4/42

    CPC classification number: C08F210/16 ,  C08F4/6555 ,  C08F2/34 ,  C08F4/6492 ,  C08F210/08 ,  C08F2500/26

    Abstract: A process for the (co)polymerization ethylene, optionally in mixtures with olefins CH═CHR in which R is hydrogen or a hydrocarbyl radical with 1–12 carbon atoms, carried out in the presence of a catalyst system comprising (A) a solid catalyst component which comprises Mg, halogen an electron donor selected form ethers, esters, or amines, and Ti atoms in an oxidation state such that the weight percentage ratio between Ti(red)/Ti(tot) ranges from about 0.05 to about 1; wherein Ti(red) is the weight percentage on the solid catalyst component of the Ti atoms having a valence less than 4 and Ti(tot) is the weight percentage on the solid catalyst component of all the Ti atoms and (B) an Al-alkyl compound. The said process is capable to produce ethylene polymers with a reduced oligomers content and/or improved mechanical characteristics.

    Abstract translation: （共）聚合乙烯的方法，任选与烯烃CH-CHR（其中R是氢或具有1-12个碳原子的烃基）的混合物在催化剂体系存在下进行，所述催化剂体系包含（A）固体催化剂 组分，其包含Mg，卤素，选自醚，酯或胺的电子给体和氧化态的Ti原子，使得Ti（重量）/ Ti（重量比） ）的范围为约0.05至约1; 其中Ti（红色）是价态小于4的Ti原子的固体催化剂组分的重量百分比，Ti（重量百分比）是固体上的重量百分数 所有Ti原子的催化剂组分和（B）Al-烷基化合物。 所述方法能够生产具有降低的低聚物含量和/或改善的机械特性的乙烯聚合物。

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