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    CATALYST FOR THE POLYMERIZATION OF OLEFINS
    31.
    发明公开
    CATALYST FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    烯烃聚合催化剂

    公开(公告)号：EP3201239A1

    公开(公告)日：2017-08-09

    申请号：EP15766518.3

    申请日：2015-09-22

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： BAITA, Pietro ,  DALL'OCCO, Tiziano ,  DI DIEGO, Maria ,  LIGUORI, Dario ,  MARTURANO, Lorella ,  MEI, Gabriele ,  MORINI, Giampiero ,  PICA, Roberta

    IPC: C08F4/649 ,  C08F10/00

    CPC classification number: C08F110/02 ,  C08F2410/02 ,  C08F2500/12 ,  C08F2500/18 ,  C08F4/6494 ,  C08F4/6493 ,  C08F4/6492 ,  C08F4/6543

    Abstract: The present disclosure provides a catalyst system made from or containing: (A) a solid catalyst component made from or containing (i) a titanium compound supported on a magnesium dichloride; (B) an aluminum alkyl compound; and (C) a halogenated organic ester of formula A-COOR, wherein R is a C1-C10 hydrocarbon group and A is a C1-C15 saturated or unsaturated hydrocarbon group in which at least one of the hydrogen atoms is replaced by a chlorine atom. The present disclosure also provides a process for preparing an olefinic polymer, including a polymerization step of polymerizing an olefin in the presence of the catalyst system. The present disclosure also provides an olefinic polymer made therefrom.

    Abstract translation: 本发明提供了一种催化剂体系，其由以下物质组成或包含：（A）由以下物质构成或含有以下物质的固体催化剂组分：（i）负载在二氯化镁上的钛化合物; （B）烷基铝化合物; 和（C）式A-COOR的卤代有机酯，其中R是C1-C10烃基，A是其中至少一个氢原子被氯原子代替的C1-C15饱和或不饱和烃基 。 本公开还提供了制备烯烃聚合物的方法，包括在催化剂体系存在下聚合烯烃的聚合步骤。 本公开还提供由其制造的烯烃聚合物。

    PROCESS FOR FEEDING A CATALYST IN A POLYMERIZATION REACTOR
    35.
    发明公开
    PROCESS FOR FEEDING A CATALYST IN A POLYMERIZATION REACTOR 有权
    EEREN POLYMERISATIONSREAKTOR的VERFAHREN ZUM EINTRAGEN EINES KATALYSATORS

    公开(公告)号：EP2370201A1

    公开(公告)日：2011-10-05

    申请号：EP09796392.0

    申请日：2009-12-23

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： BAITA, Pietro ,  KARER, Rainer ,  MEIER, Gerhardus ,  FUNK, Guido ,  MEI, Gabriele

    IPC: B01J8/00 ,  B01J8/24 ,  C08F10/00

    CPC classification number: B01J8/0015 ,  B01J8/1827 ,  B01J2208/00752 ,  B01J2208/00769 ,  C08F10/00 ,  C08F210/16 ,  C08F2/34 ,  C08F210/08 ,  C08F2500/12

    Abstract: A process for introducing a catalyst powder based on a titanium compound supported on magnesium halide into a gas-phase olefin polymerization reactor, characterized in that it comprises: (a) storing the catalyst powder under an atmosphere of a liquid C
    3 -C
    12 alkane; (b) withdrawing from step (a) a measured amount of said catalyst powder by means of a rotary valve; (c) transferring said metered amount of catalyst powder to a catalyst activation section by a continuous pick-up flow of a liquid C
    3 -C
    12 alkane; (d) contacting the catalyst powder with a liquid phase comprising an organo-aluminum compound and optionally an external donor compound, at a temperature ranging from -20 °C to 60 °C; (e) introducing the activated catalyst powder in one or more gas-phase olefin polymerization reactors, where a gaseous mixture comprising at least one alpha-olefin is subjected to polymerization.

    Abstract translation: 一种将负载在卤化镁上的钛化合物的催化剂粉末引入气相烯烃聚合反应器中的方法，其特征在于它包括：（a）将催化剂粉末储存在液体C 3 -C 12烷烃气氛下; （b）通过旋转阀从步骤（a）中取出测量量的所述催化剂粉末; （c）通过液体C 3 -C 12烷烃的连续吸入流将所述计量的催化剂粉末转移到催化剂活化部分; （d）在-20℃至60℃的温度下使催化剂粉末与包含有机铝化合物和任选的外部供体化合物的液相接触; （e）将活化的催化剂粉末引入一个或多个气相烯烃聚合反应器中，其中包含至少一种α-烯烃的气态混合物进行聚合。

    PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS
    36.
    发明公开
    PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS 有权
    烯烃气相聚合的方法

    公开(公告)号：EP2281010A1

    公开(公告)日：2011-02-09

    申请号：EP09753799.7

    申请日：2009-05-15

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： RINALDI, Riccardo ,  MAZZUCCO, Antonio ,  BALESTRA, Enrico ,  PENZO, Giuseppe ,  DORINI, Maurizio ,  MEI, Gabriele

    IPC: C08F10/00 ,  C08F2/34 ,  C08F2/01

    CPC classification number: B01J19/2435 ,  B01J19/2465 ,  B01J2219/00087 ,  C08F10/00 ,  C08F110/02 ,  C08F110/06 ,  Y10S526/901 ,  C08F2/34 ,  C08F2/001 ,  C08F2/01 ,  C08F2500/05 ,  C08F2500/15

    Abstract: A process for the polymerisation of olefins carried out in a gas-phase reactor having interconnected polymerization zones, where the growing polymer particles flow upward through a first polymerization zone (riser) under fast fluidization or transport conditions, leave said riser and enter a second polymerization zone (downcomer) through which they flow downward under the action of gravity, leave said downcomer and are reintroduced into the riser, a gas recycle stream being withdrawn from said first polymerisation zone, subjected to cooling below its dew point and then returned to said first polymerisation zone, the process being characterised in that said gas recycle stream is cooled at a temperature Tc ranging from 0.05°C to 3°C below its dew point.

    Abstract translation: 在具有互连聚合区的气相反应器中进行烯烃聚合的方法，其中生长的聚合物颗粒在快速流化或运输条件下向上流过第一聚合区（提升管），离开所述提升管并进入第二聚合 （降液管），在重力作用下它们向下流动，离开所述降液管并被再次引入提升管，从所述第一聚合区排出气体再循环流，经受冷却到其露点以下，然后返回到所述第一 该方法的特征在于所述气体再循环流在低于其露点0.05℃至3℃的温度Tc下冷却。

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