公开(公告)号：US09458259B2

公开(公告)日：2016-10-04

申请号：US14650532

申请日：2013-12-11

Applicant: Basell Polyolefine GmbH

Inventor： Giuseppe Penzo ,  Giulia Mei ,  Gabriele Mei ,  Antonio De Lucia ,  Pietro Baita

IPC: C08G63/02 ,  C08F10/02 ,  C08F6/00 ,  C08F6/02 ,  B29B13/00

CPC classification number: C08F10/02 ,  B29B2013/005 ,  C08F6/005 ,  C08F6/02 ,  C08L23/04 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/24

Abstract: Process for treating polyolefin particles obtained by gas-phase polymerization of one or more olefins in the presence of a polymerization catalyst system and a C3-C5 alkane as polymerization diluent in a gas-phase polymerization reactor, the process comprising the steps of a) discharging the polyolefin particles continuously or discontinuously from the gas-phase polymerization reactor and transferring the particles to a first degassing vessel; b) contacting therein the polyolefin particles with a gaseous stream comprising at least 85 mol-% of C3-C5 alkane while the polyolefin particles have an average residence time in the first degassing vessel of from 5 minutes to 5 hours; c) transferring the polyolefin particles to a second degassing vessel; d) contacting therein the polyolefin particles with a stream comprising nitrogen and steam while the polyolefin particles have an average residence time in the second degassing vessel of from 5 minutes to 2 hours, wherein the contacting is carried out at conditions under which no condensation of water occurs; e) transferring the polyolefin particles to a third degassing vessel; f) contacting therein the polyolefin particles with a stream of nitrogen while the polyolefin particles have an average residence time in the third degassing vessel of from 5 minutes to 8 hours, and processes for preparing polyolefin polymers by gas-phase polymerization of one or more olefins in the presence of a polymerization catalyst system and a C3-C5 alkane as polymerization diluent in a gas-phase polymerization reactor, wherein the obtained polyolefin particles are subjected to such a treating process.

公开(公告)号：US20160152853A1

公开(公告)日：2016-06-02

申请号：US14900996

申请日：2014-06-19

Applicant: BASELL POLYOLEFINE GMBH

Inventor： GERHARDUS MEIER ,  ULF SCHUELLER ,  DIANA DOTSCH ,  BERND LOTHAR MARCZINKE ,  HEINZ VOGT

IPC: C09D123/08 ,  C09D123/06

CPC classification number: C09D123/0815 ,  C08L23/06 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2308/00 ,  C08L2314/02 ,  C09D123/06

Abstract: Polyethylene composition with improved balance of impact resistance at low temperatures and Environmental Stress Cracking Resistance (ESCR), particularly suited for producing protective coatings on metal pipes, said composition having the following features:1) density from 0.938 to 0.948 g/cm3;2) ratio MIF/MIP from 15 to 25;3) MIF from 30 to 45 g/10 min.;4) Mz equal to or greater than 1000000 g/mol;5) LCBI equal to or greater than 0.55.

Abstract translation: 所述组合物具有以下特征：1）密度为0.938至0.948g / cm 3;特别适用于在金属管上生产保护性涂层的环境应力开裂抗性（ESCR） 2）比例MIF / MIP从15到25; 3）MIF为30〜45g / 10min。 4）Mz等于或大于1000000g / mol; 5）LCBI等于或大于0.55。

公开(公告)号：US09353206B2

公开(公告)日：2016-05-31

申请号：US14437456

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: C08L23/06 ,  C08L23/04 ,  C08F2/34 ,  C08F210/16 ,  C08L23/08 ,  C08J5/00 ,  B01J8/18 ,  B29C49/00

CPC classification number: C08L23/06 ,  B29C49/00 ,  C08F210/16 ,  C08J5/00 ,  C08J2323/06 ,  C08J2323/08 ,  C08J2423/06 ,  C08J2423/08 ,  C08L23/0815 ,  C08L2205/025 ,  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 0.952 to 0.960 g/cm3; 2) ratio MIF/MIP from 17 to 30; 3) Shear-Induced Crystallization Index SIC from 2.5 to 5.0.

Abstract translation: 所述组合物具有以下特征：1）密度为0.952至0.960g / 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）比例MIF / MIP从17到30; 3）剪切诱导结晶指数SIC为2.5〜5.0。

公开(公告)号：US20160108148A1

公开(公告)日：2016-04-21

申请号：US14891506

申请日：2014-05-13

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Gabriele Mei ,  Pietro Baita ,  Lorella Marturano ,  Antonio Mazzucco ,  Roberta Pica ,  Gerhardus Meier ,  Ulf Schueller

IPC: C08F110/02

CPC classification number: C08F110/02 ,  C08F2/001 ,  C08F2/002 ,  C08F4/654 ,  C08F4/6543 ,  C08F4/6548 ,  C08F4/655 ,  C08F4/6565 ,  C08F10/02 ,  C08F2/34 ,  C08F2500/18 ,  C08F2500/24 ,  C08F4/6492 ,  C08F4/6425

Abstract: A process for the gas-phase polymerization of ethylene or a mixture of ethylene and one or more 1 olefins in the presence of a polymerization catalyst system comprising the steps a) feeding a solid catalyst component, which was obtained by contacting at least a magnesium compound and a titanium compound, to a continuously operated apparatus and contacting the solid catalyst component with an aluminum alkyl compound at a temperature of from 0° C. to 70° C. in a way that the mean residence time of the solid catalyst component in contact with the aluminum alkyl compound is from 5 to 300 minutes; b) transferring the catalyst component formed in step a) into another continuously operated apparatus and prepolymerizing it with ethylene or a mixture of ethylene and one or more 1 olefins in suspension at a temperature of from 10° C. to 80° forming polymer in an amount of from 0.2 to 25 g polymer/g of solid catalyst component in a way that the mean residence time of the solid catalyst component in the apparatus is from 5 minutes to 3 hours; and c) transferring the prepolymerized catalyst component formed in step b) into a gas-phase polymerization reactor and polymerizing ethylene or a mixture of ethylene and one or more 1 olefins in the presence of the prepolymerized catalyst component at temperatures of from 40° C. to 120° C. and pressures of from 0.1 to 10 MPa.

Abstract translation: 一种在聚合催化剂体系存在下乙烯或乙烯与一种或多种烯烃的混合物进行气相聚合的方法，包括步骤a）进料固体催化剂组分，该固体催化剂组分是通过使至少一种镁化合物 和钛化合物连接到连续操作的装置上，并使固体催化剂组分与烷基铝化合物在0℃至70℃的温度下接触，使得固体催化剂组分的平均停留时间接触 烷基铝化合物为5至300分钟; b）将步骤a）中形成的催化剂组分转移到另一个连续操作的装置中，并将其与乙烯或乙烯和一种或多种1种烯烃在悬浮液中的混合物在10℃至80℃的温度下预聚合形成聚合物 以固体催化剂组分在设备中的平均停留时间为5分钟至3小时的方式，其量为0.2至25g聚合物/ g固体催化剂组分; 和c）将步骤b）中形成的预聚合的催化剂组分转移到气相聚合反应器中，并在预聚合的催化剂组分存在下在40℃的温度下聚合乙烯或乙烯和一种或多种烯烃的混合物 至120℃，压力为0.1至10MPa。

公开(公告)号：US20150166778A1

公开(公告)日：2015-06-18

申请号：US14407204

申请日：2013-06-19

Applicant: Basell Polyolefine GmbH

Inventor： Fabiana Fantinel ,  Bodo Richter ,  Shahram Mihan ,  Massimo Covezzi ,  Claudio Cavalieri ,  Michele Grazzi

IPC: C08L23/12 ,  C08J5/18

CPC classification number: C08L23/12 ,  C08F4/61912 ,  C08F4/61916 ,  C08F4/65927 ,  C08F4/7042 ,  C08J5/18 ,  C08J2323/16 ,  C08J2423/06 ,  C08J2423/12 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/16 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2314/06 ,  C08L2314/08 ,  Y10T428/139 ,  C08F210/16 ,  C08F2/001 ,  C08F4/61904 ,  C08L23/08 ,  C08L23/142 ,  C08F210/06 ,  C08F2500/04 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/21 ,  C08L23/06

Abstract: A two steps polymerization process for obtaining a polyolefin composition comprising: a) from 25 wt % to 70 wt % of a propylene homopolymer or a propylene-ethylene copolymer containing from 0.1 wt % to 10 wt % of ethylene derived units; b) from 27 wt % to 70 wt % of a copolymer of ethylene and at least one C3-C20 alpha olefins, wherein the ethylene derived units content ranges from 15 wt % to 70 wt %; c) from 3 wt % to 20 wt % of polyethylene homopolymer or an ethylene and at least one C3-C20 alpha olefins copolymer; the sum a)+b)+c) being 100, wherein said process comprises: step a) contacting under polymerization conditions propylene, optionally ethylene and the catalyst system in order to obtain component a), step b) contacting under polymerization conditions ethylene and at least one C3-C20 alpha-olefins and the catalyst system in order to obtain components b) and c); wherein the catalyst system comprises a metallocene compound and an iron complex.

Abstract translation: 一种用于获得聚烯烃组合物的两步聚合方法，包括：a）25重量％至70重量％的丙烯均聚物或含有0.1重量％至10重量％乙烯衍生单元的丙烯 - 乙烯共聚物; b）27重量％至70重量％的乙烯和至少一种C 3 -C 20α-烯烃的共聚物，其中乙烯衍生单元含量为15重量％至70重量％; c）3重量％至20重量％的聚乙烯均聚物或乙烯和至少一种C 3 -C 20α-烯烃共聚物; 总和a）+ b）+ c）为100，其中所述方法包括：步骤a）在聚合条件下丙烯，任选的乙烯和催化剂体系接触以获得组分a），步骤b）在聚合条件下使乙烯和 至少一种C 3 -C 20α-烯烃和催化剂体系以获得组分b）和c）; 其中所述催化剂体系包含茂金属化合物和铁络合物。

公开(公告)号：US12221500B2

公开(公告)日：2025-02-11

申请号：US17614684

申请日：2020-05-28

Applicant: Basell Polyolefine GmbH

Inventor： Peter Rohrbach ,  Jürgen Perzlmeier ,  Mudit Ashtana ,  Harald Prang ,  Elke Damm

IPC: C08F210/16 ,  C08F2/01 ,  C08F2/18 ,  C08F210/08

Abstract: A process for preparing an ethylene polymer in a suspension polymerization including the steps of separating the formed suspension of ethylene polymer particles in a solid-liquid separator into wet ethylene polymer particles and mother liquor, drying the wet ethylene polymer particles by a gas stream and forming a gas stream carrying a hydrocarbon load, and thereafter separating the hydrocarbon load from the gas stream and thereby forming a liquid hydrocarbon recover stream, transferring a part of the mother liquor into a work-up section including an evaporator for producing a wax-depleted portion of the mother liquor and a diluent distillation unit for producing isolated diluent from the wax-depleted portion of the mother liquor, wherein a first part of the hydrocarbon recover stream is transferred to the diluent distillation unit without passing the evaporator for producing the wax-depleted portion of the mother liquor.

公开(公告)号：US20250043049A1

公开(公告)日：2025-02-06

申请号：US18791641

申请日：2024-08-01

Applicant: Basell Polyolefine GmbH

Inventor： Sameer D. Mehta ,  Ulf Schueller ,  Sebastian Wilhelm

IPC: C08F210/02 ,  C08L23/08

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.

公开(公告)号：US12110349B2

公开(公告)日：2024-10-08

申请号：US17312288

申请日：2019-12-16

Applicant: Basell Polyolefine GmbH

Inventor： Dieter Littmann ,  Andre-Armand Finette ,  Christoph Wolf ,  Michael Deuerling ,  Juergen Mohrbutter ,  Danir Khayrullin ,  Giulia Mei ,  Erich Neumann

IPC: C08F10/02 ,  B01J3/00 ,  B01J3/02 ,  B01J19/00 ,  B01J19/24 ,  C08F2/01 ,  C08F2/02

CPC classification number: C08F10/02 ,  B01J3/002 ,  B01J3/02 ,  B01J19/002 ,  B01J19/2415 ,  C08F2/01 ,  B01J2219/00033 ,  B01J2219/00162 ,  B01J2219/0027 ,  C08F2/02 ,  C08F2400/04

Abstract: A process for polymerizing ethylene in a high-pressure polymerization system having a continuously operated polymerization reactor and a reactor blow down system having an emergency valve, a reactor blow down vessel containing an aqueous medium and a reactor blow down dump vessel, wherein the process includes the steps of monitoring the polymerization system for a disturbance, opening the emergency valve when a disturbance occurs to allow the content of the polymerization system to expand into the reactor blow down vessel, contacting the content of the polymerization system in the reactor blow down vessel with the aqueous medium to obtain an aqueous polymer slurry, separating the polymer slurry and gaseous components, and transferring the polymer slurry to the reactor blow down dump vessel.

公开(公告)号：US11999839B2

公开(公告)日：2024-06-04

申请号：US17779686

申请日：2020-12-02

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Monica Galvan ,  Gianni Perdomi

IPC: C08L23/08 ,  D01F6/04

CPC classification number: C08L23/0815 ,  D01F6/04 ,  C08L2201/08 ,  C08L2203/12 ,  C08L2205/025 ,  C08L2205/035 ,  D10B2321/021 ,  D10B2505/202

Abstract: A polyethylene composition for preparing filaments and fibers, made from or containing:



A) from 65% to 97% by weight of a copolymer of ethylene having:

1) a density of 0.925 g/cm3 or higher; and
2) a MI2 value of 0.5 g/10 min. or greater; and


B) from 3% to 35% by weight of a polyolefin composition made from or containing:

BI) from 5% to 35% by weight of a propylene homopolymer;
BII) from 20% to 50% by weight of an ethylene homopolymer or a copolymer of ethylene with up to 5% by weight of alpha-olefin comonomers, containing 5% by weight or less of a fraction soluble in xylene at 25° C.; and
BIII) from 30% to 60% by weight of a terpolymer of ethylene, propylene, and 1-butene containing from 30% to 85% by weight of a fraction soluble in xylene at 25° C.

公开(公告)号：US20240131802A1

公开(公告)日：2024-04-25

申请号：US18547898

申请日：2022-01-26

Applicant: Basell Polyolefine GmbH ,  Albert-Ludwigs-Universität Freiburg

Inventor： Carl Gunther Schirmeister ,  Erik Hans Licht ,  Karsten Schmitz ,  Yannic Kessler ,  Klaus Klemm ,  Jürgen Rohrmann ,  Dieter Langenfelder ,  Mikhail Dureev ,  Rolf Muelhaupt ,  Mirco Müller ,  Steer Peter ,  Kolano Benjamin

IPC: B29C64/40 ,  B29C64/118

CPC classification number: B29C64/40 ,  B29C64/118 ,  B33Y10/00

Abstract: An extrusion-based additive manufacturing process including the step of selectively depositing a molten thermoplastic material (P) on a film or sheet made from or containing a polymer blend obtained by melt blending a mixture made from or containing:



(A) 60% to 98.8% by weight of a polyolefin;
(B) 0.1% to 30% by weight of a compatibilizer;
(C) 0.05% to 20% by weight of an amino resin; and
(D) 0% to 5% by weight of an additive,
wherein the amounts of (A), (B), (C) and (D) are based on the total weight of (A)+(B)+(C)+(D).