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    Additivising polymer powders
    33.
    发明申请
    Additivising polymer powders 审中-公开
    添加聚合物粉末

    公开(公告)号：US20090048393A1

    公开(公告)日：2009-02-19

    申请号：US11501177

    申请日：2008-11-03

    Applicant: Louis Fouarge ,  Leopoid D'Hooghe ,  Marianne Sillis

    Inventor： Louis Fouarge ,  Leopoid D'Hooghe ,  Marianne Sillis

    IPC: C08L23/12 ,  C08F2/01 ,  C08L23/06

    CPC classification number: C08J3/2053

    Abstract: The invention provides an apparatus for introducing additives onto a polymer powder.It also provides a method for introducing an additive into a polyolefin powder, which method comprises the following steps: (a) adding the additive in a solvent to form a solution; and (b) introducing the solution to the polymer powder at a temperature of 60° C. or more, wherein, the solution is introduced to the polymer powder by spraying via a heated spraying means.

    Abstract translation: 本发明提供了一种将添加剂引入聚合物粉末的装置。 它还提供了一种将添加剂引入聚烯烃粉末中的方法，该方法包括以下步骤：（a）将添加剂加入溶剂中形成溶液; 和（b）在60℃以上的温度下将溶液引入到聚合物粉末中，其中，通过经过加热的喷涂装置喷雾将溶液引入聚合物粉末中。

    Olefin polymerization process with sequential discharging
    34.
    发明申请
    Olefin polymerization process with sequential discharging 失效
    烯烃聚合过程与顺序排放

    公开(公告)号：US20080171838A1

    公开(公告)日：2008-07-17

    申请号：US11501179

    申请日：2006-08-07

    Applicant: Louis Fouarge

    Inventor： Louis Fouarge

    IPC: C08F2/14

    CPC classification number: B01J8/003 ,  B01J8/007 ,  B01J19/1818 ,  B01J19/1837 ,  B01J2208/00548 ,  B01J2219/0004 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F2/14

    Abstract: The present invention relates to a polymerization process for producing olefin polymers in a loop reactor comprising two or more settling legs, comprising the steps of: —introducing into the loop reactor one or more olefin reactants, polymerization catalysts and diluents, and while circulating said reactants, catalysts and diluents; —polymerizing said one or more olefin reactants to produce a polymer slurry comprising essentially liquid diluent and solid olefin polymer particles; said process further comprising one or more cycles of: (a) allowing said polymer slurry to settle into said setting legs, and (b) sequentially discharging said settled polymer slurry from said two or more settling legs out of the reactor, whereby the aggregate time of discharge of all the legs is more than 50%, preferentially more than 80% and most preferably more than 95% of the time interval between two triggerings of the same settling leg.

    Abstract translation: 本发明涉及一种用于在包含两个或更多沉降腿的环管反应器中制备烯烃聚合物的聚合方法，包括以下步骤： - 引入环管反应器中一种或多种烯烃反应物，聚合催化剂和稀释剂，以及在循环所述反应物 ，催化剂和稀释剂; 聚合所述一种或多种烯烃反应物以产生包含基本上液体稀释剂和固体烯烃聚合物颗粒的聚合物淤浆; 所述方法还包括以下一个或多个循环：（a）允许所述聚合物浆料沉降到所述凝固腿中，和（b）将所述沉降的聚合物浆料从所述两个或多个沉降腿排出反应器，由此总计时间 所有腿的排出量大于同一沉降腿的两次触发之间的时间间隔的50％以上，优选大于80％，最优选地大于95％。

    Method and device for optimizing catalyst supply to a polymerization reactor
    36.
    发明申请
    Method and device for optimizing catalyst supply to a polymerization reactor 审中-公开
    优化催化剂供应到聚合反应器的方法和装置

    公开(公告)号：US20070032612A1

    公开(公告)日：2007-02-08

    申请号：US11499043

    申请日：2006-08-01

    Applicant: Louis Fouarge

    Inventor： Louis Fouarge

    IPC: C08F2/00 ,  B01J19/00

    CPC classification number: B01J8/20 ,  B01J8/0035 ,  B01J19/2435 ,  B01J2208/00548 ,  B01J2208/00663 ,  B01J2208/00752 ,  B01J2219/00069 ,  B01J2219/002 ,  B01J2219/00213 ,  B01J2219/00231 ,  C08F10/00 ,  C08F2/14

    Abstract: The present invention relates to a method for optimizing catalyst supply to a polymerization reactor (1), comprising the steps of a) preparing catalyst slurry in a vessel (3), said slurry comprising solid catalyst in a hydrocarbon diluent having a suitable concentration for use in a polymerization reaction, b) providing said catalyst slurry from said vessel (3) to a buffer vessel (4) wherein said slurry is stored, and c) supplying said catalyst slurry from said buffer vessel (4) to said reactor (1) through conduits (8) at a suitable flow rate, and d) bringing a suitable amount of co-catalyst into contact with the catalyst slurry before supplying said catalyst slurry to said reactor.

    Abstract translation: 本发明涉及一种用于优化向聚合反应器（1）的催化剂供应的方法，包括以下步骤：a）在容器（3）中制备催化剂浆料，所述浆料包含在具有合适浓度的烃稀释剂中的固体催化剂 在聚合反应中，b）将所述催化剂浆料从所述容器（3）提供到缓冲容器（4），其中所述浆料被储存，和c）将所述催化剂浆料从所述缓冲容器（4）供应到所述反应器（1） 通过导管（8）以合适的流速，以及d）在将所述催化剂浆料供应到所述反应器之前，使合适量的助催化剂与催化剂浆料接触。

    Catalyst slurry preparation system and use thereof
    37.
    发明授权
    Catalyst slurry preparation system and use thereof 有权
    催化剂浆料制备系统及其用途

    公开(公告)号：US09273157B2

    公开(公告)日：2016-03-01

    申请号：US13812702

    申请日：2011-07-29

    Applicant: Alain Brusselle ,  Louis Fouarge

    Inventor： Alain Brusselle ,  Louis Fouarge

    IPC: B01F7/22 ,  B01F13/08 ,  B01F7/16 ,  C08F4/00 ,  B01F7/00 ,  B01J8/00 ,  C08F10/00 ,  C08F4/659 ,  C08F4/6592

    CPC classification number: C08F10/02 ,  B01F7/00633 ,  B01F7/1675 ,  B01F7/22 ,  B01F13/0827 ,  B01F13/0836 ,  B01F13/0845 ,  B01J8/002 ,  B01J8/0035 ,  C08F4/00 ,  C08F4/65912 ,  C08F4/65927 ,  C08F10/00 ,  C08F4/65916

    Abstract: The present invention relates to the use of a catalyst preparation system for the preparation of a diluted catalyst slurry. In particular, the invention relates to a catalyst preparation system comprising a mixing vessel for mixing a particulate catalyst and a liquid hydrocarbon diluent. According to the invention, diluted catalyst slurry is prepared in a mixing vessel comprising a rotatable axial impeller system comprising at least two double-bladed hubs. The invention also relates to a process for preparing diluted catalyst slurry for use in the preparation of a particulate polyethylene product in a loop reactor with the catalyst preparation system as described herein.

    Abstract translation: 本发明涉及催化剂制备系统用于制备稀释催化剂浆料的用途。 特别地，本发明涉及一种催化剂制备系统，其包括用于混合颗粒催化剂和液体烃稀释剂的混合容器。 根据本发明，稀释的催化剂浆料在混合容器中制备，该混合容器包括可旋转的轴流式叶轮系统，其包括至少两个双叶片轮毂。 本发明还涉及一种用于制备稀释的催化剂浆料的方法，所述稀释的催化剂浆料用于在具有如本文所述的催化剂制备系统的环管反应器中制备颗粒状聚乙烯产品。

    Method for monitoring the level of an ethylene polymerization catalyst slurry
    38.
    发明授权
    Method for monitoring the level of an ethylene polymerization catalyst slurry 有权
    监测乙烯聚合催化剂浆液含量的方法

    公开(公告)号：US09050573B2

    公开(公告)日：2015-06-09

    申请号：US13514096

    申请日：2010-12-17

    Applicant: Louis Fouarge ,  Alain Brusselle

    Inventor： Louis Fouarge ,  Alain Brusselle

    IPC: G01S13/08 ,  B01J8/22 ,  B01J8/00 ,  C08F110/02

    CPC classification number: B01J8/20 ,  B01J8/0015 ,  B01J8/0035 ,  B01J8/228 ,  B01J2208/0061 ,  B01J2208/00769 ,  C08F110/02 ,  G01F23/284

    Abstract: The present invention relates to a method for monitoring the level of an ethylene polymerization catalyst slurry in a mud pot (2), whereby said catalyst slurry is prepared by introducing a solid catalyst and a liquid diluent in said mud pot (2), and whereby through sedimentation an interface (35) is formed between said diluent and the obtained catalyst slurry, characterized in that said interface (35) is monitored with Time Domain Reflectometry.

    Abstract translation: 本发明涉及一种用于监测泥盆（2）中的乙烯聚合催化剂浆液的含量的方法，其中所述催化剂浆料是通过在所述泥罐（2）中引入固体催化剂和液体稀释剂而制备的，由此 通过沉淀，在所述稀释剂和所获得的催化剂浆料之间形成界面（35），其特征在于，所述界面（35）通过时域反射测定来监测。

    Pressure control of the catalyst mixing vessel
    39.
    发明授权
    Pressure control of the catalyst mixing vessel 有权
    催化剂混合容器的压力控制

    公开(公告)号：US08728971B2

    公开(公告)日：2014-05-20

    申请号：US13812731

    申请日：2011-07-29

    Applicant: Alain Brusselle ,  Daan Dewachter ,  Louis Fouarge

    Inventor： Alain Brusselle ,  Daan Dewachter ,  Louis Fouarge

    IPC: B01J31/00 ,  G05D16/02 ,  C08F4/76 ,  B01J21/00

    CPC classification number: G05D16/02 ,  B01J8/0035 ,  B01J8/20 ,  B01J2219/00162 ,  C08F4/76 ,  C08F10/02 ,  C08F2/14 ,  C08F2/01

    Abstract: The present invention relates to a process for preparing catalyst slurry in a catalyst slurry preparation system and supplying catalyst slurry to an ethylene polymerization loop reactor wherein an accurate control of the pressure within said catalyst slurry preparation system is provided. More particularly, the present invention provides a method for preparing a catalyst slurry and supplying said catalyst slurry to an ethylene polymerization loop reactor, said catalyst slurry comprising solid catalyst and a liquid hydrocarbon diluent, wherein said method comprises the steps of: (a) feeding concentrated catalyst slurry to a mixing vessel by means of a feeding device; (b) diluting said concentrated catalyst slurry in a suitable amount of said diluent in a mixing vessel thereby obtaining a diluted catalyst slurry having a concentration suitable for use in an ethylene polymerization reaction; wherein said mixing vessel is provided with at least one pressure regulating unit connected therewith and wherein said pressure regulating unit comprises a pulsation dampener; and (c) transferring said diluted catalyst slurry from said mixing vessel to said ethylene polymerization loop reactor; characterized in that the method comprises the step of maintaining said mixing vessel essentially free of a gaseous phase by regulating the pressure in said mixing vessel using said at least one pressure regulating unit comprising the pulsation dampener.

    Abstract translation: 本发明涉及一种在催化剂浆料制备系统中制备催化剂浆料并将催化剂浆料供应到乙烯聚合反应器中的方法，其中提供了所述催化剂浆料制备系统内的压力的精确控制。 更具体地说，本发明提供了一种制备催化剂浆料并将所述催化剂浆料供应到乙烯聚合反应器的方法，所述催化剂浆料包括固体催化剂和液体烃稀释剂，其中所述方法包括以下步骤：（a） 浓缩的催化剂浆料通过进料装置进入混合容器; （b）将所述浓缩催化剂浆液在合适量的稀释剂中稀释在混合容器中，由此获得具有适合用于乙烯聚合反应的浓度的稀释催化剂浆料; 其中所述混合容器设置有与其连接的至少一个压力调节单元，并且其中所述压力调节单元包括脉动阻尼器; 和（c）将所述稀释的催化剂浆料从所述混合容器转移到所述乙烯聚合反应器中; 其特征在于，所述方法包括通过使用包括脉动阻尼器的所述至少一个压力调节单元来调节所述混合容器中的压力来维持所述混合容器基本上不含气相的步骤。

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