公开(公告)号：US20160130376A1

公开(公告)日：2016-05-12

申请号：US14897597

申请日：2014-06-10

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Shahram Mihan ,  Gerhardus Meier ,  Ulf Schueller ,  Michael Schiendorfer ,  Jens Wiesecke

IPC: C08F110/02 ,  H01B1/12

CPC classification number: C08F110/02 ,  C08F10/02 ,  C08F2410/02 ,  H01B1/12 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/24 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/13 ,  C08F2/005 ,  C08F2/34

Abstract: A process for the preparation of polyolefins by polymerizing olefins at temperatures of from 20 to 200° C. and pressures of from 0.1 to 20 MPa in the presence of a polymerization catalyst and an antistatically acting composition in a polymerization reactor, wherein the antistatically acting composition is a mixture comprising an oil-soluble surfactant and water and the use of an antistatically acting composition comprising an oil-soluble surfactant and water as antistatic agent for the polymerization of olefins at temperatures of from 20 to 200° C. and pressures of from 0.1 to 20 MPa in the presence of a polymerization catalyst.

Abstract translation: 在聚合反应器中，在聚合催化剂和抗静电作用组合物的存在下，在20〜200℃的温度和0.1〜20MPa的压力下使烯烃聚合制备聚烯烃的方法，其中抗静电作用组合物 是包含油溶性表面活性剂和水的混合物，并且使用包含油溶性表面活性剂和水的抗静电作用组合物作为用于烯烃聚合的抗静电剂，其温度为20-200℃，压力为0.1 在聚合催化剂存在下为20MPa。

公开(公告)号：US20150267010A1

公开(公告)日：2015-09-24

申请号：US14437783

申请日：2013-10-22

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Iakovos Vittorias ,  Jens Wiesecke ,  Bernd Lothar Marczinke ,  Gerhardus Meier ,  Ulf Schüller ,  Volker Dolle ,  Johannes-Friedrich Enderle ,  Dieter Lilge ,  Barbara Gall

IPC: C08J5/00 ,  C08F210/16

CPC classification number: C08L23/0815 ,  B29B15/00 ,  B29C47/0004 ,  B29C47/92 ,  B29C49/0005 ,  B29C49/04 ,  B29K2023/06 ,  B29L2031/7154 ,  B29L2031/7172 ,  C08F210/16 ,  C08J5/00 ,  C08J2323/06 ,  C08J2323/08 ,  C08J2423/06 ,  C08J2423/08 ,  C08L23/06 ,  C08L2205/025 ,  C08L2207/07 ,  C08L2308/00 ,  C08L2314/02

Abstract: Polyethylene composition with improved swell ratio and mechanical properties, particularly suited for preparing blow-moulded articles, said composition having the following features:1) density from 0.945 to less than 0.952 g/cm3; 2) ratio MIF/MIP from 15 to 30; 3) Shear-Induced Crystallization Index SIC from 2.5 to 5.5.

Abstract translation: 所述组合物具有以下特征：1）密度为0.945至小于0.952g / cm3;具有改进的膨胀比和机械性能的聚乙烯组合物，特别适用于制备吹塑制品。 2）MIF / MIP比例从15到30; 3）剪切诱导结晶指数SIC为2.5〜5.5。

公开(公告)号：US09023945B2

公开(公告)日：2015-05-05

申请号：US14191090

申请日：2014-02-26

Applicant: Basell Polyolefine GmbH

Inventor： Harilaos Mavridis ,  Gerhardus Meier ,  Ulf Schueller ,  Diana Doetsch ,  Bernd Marczinke ,  Iakovos Vittorias

IPC: C08L23/04 ,  C08L23/06 ,  C08F2/34 ,  C08L23/08 ,  B01J8/18

CPC classification number: C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2308/00 ,  C08L2314/02 ,  Y02P20/52 ,  Y10S526/905 ,  C08F210/16 ,  C08F2/001 ,  C08F110/02 ,  C08F2500/12 ,  C08F2500/07 ,  C08F210/14 ,  C08F2500/05 ,  C08F2500/14 ,  C08F2500/17 ,  C08F2500/09 ,  C08F2/34 ,  C08F10/02 ,  C08F4/6543 ,  C08F4/6492

Abstract: Embodiments of the present disclosure relate to a method of preparing polyethylene compositions comprising polymerizing ethylene in a first gas-phase reactor and polymerizing ethylene in a second gas-phase reactor in the presence of hydrogen; wherein at least one of the first or second gas-phase reactors comprises a first and second polymerization zone; wherein a hydrogen pressure of the first and second polymerization zones are different such that at least a portion of the second ethylene cycles through the first and second polymerization zones and a gas mixture of each polymerization zone is partially or totally prevented from entering the other zone.

Abstract translation: 本公开的实施方案涉及制备聚乙烯组合物的方法，其包括在第一气相反应器中聚合乙烯并在第二气相反应器中在氢的存在下聚合乙烯; 其中所述第一或第二气相反应器中的至少一个包括第一和第二聚合区; 其中第一和第二聚合区的氢气压力是不同的，使得至少一部分第二乙烯循环通过第一和第二聚合区以及每个聚合区的气体混合物被部分或完全防止进入另一个区。

公开(公告)号：US20140309384A1

公开(公告)日：2014-10-16

申请号：US14362842

申请日：2012-12-04

Applicant: Basell Polyolefine GmbH

Inventor： Massimo Covezzi ,  Giuseppe Penzo ,  Gabriele Mei ,  Giulia Mei ,  Pietro Baita ,  Gerhardus Meier ,  Antonio De Lucia ,  Ulf Schueller ,  Gianpiero Ferraro

IPC: C08F110/02

CPC classification number: C08F110/02 ,  C08F2/001 ,  C08F2/34 ,  C08F10/00 ,  C08F10/02 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/24 ,  C08F2/00 ,  C08F2/01

Abstract: Process for transferring polyolefin particles from a first gas-phase polymerization reactor to a second gas-phase polymerization reactor in a multistage polymerization of olefins carried out in at least two serially connected gas-phase polymerization reactors,wherein the first gas-phase reactor is a fluidized-bed reactor comprising a gas distribution grid and a settling pipe, which is integrated with its upper opening into the distribution grid and contains a bed of polyolefin particles which moves from top to bottom of the settling pipe,the process comprising the steps ofintroducing a fluid into the settling pipe in an amount that an upward stream of the fluid is induced in the bed of polyolefin particles above the fluid introduction point;withdrawing polyolefin particles from the lower end of the settling pipe; andtransferring the withdrawn polyolefin particles into the second gas-phase polymerization reactor,process for polymerizing olefins comprising such a process for transferring polyolefin particles, reactor suitable as first gas-phase polymerization reactor in the process for polymerizing olefins and process for discharging polyolefin particles from a fluidized-bed reactor.

Abstract translation: 在至少两个串联连接的气相聚合反应器中进行的烯烃多级聚合中将聚烯烃颗粒从第一气相聚合反应器转移到第二气相聚合反应器的方法，其中第一气相反应器是 流化床反应器包括气体分配网格和沉降管，其与其上部开口集成到分配网格中并且包含从沉降管的顶部移动到底部的聚烯烃颗粒床，该方法包括以下步骤：引入 流入沉降管中的流体，其量为在流体引入点上方的聚烯烃颗粒床中引起流体向上流; 从沉降管的下端取出聚烯烃颗粒; 并将取出的聚烯烃颗粒转移到第二气相聚合反应器中，用于聚合烯烃的方法包括这种转移聚烯烃颗粒的方法，在聚合烯烃的方法中适合作为第一气相聚合反应器的反应器和用于从聚烯烃中排出聚烯烃颗粒的方法 流化床反应器。