公开(公告)号：US20140202847A1

公开(公告)日：2014-07-24

申请号：US14240826

申请日：2012-11-12

Applicant: BOREALIS AG

Inventor： Michiel Bergstra ,  Kai Hagane ,  Manfred Jarzombek ,  Pablo Ivan Aguayo Arellano

IPC: C08F6/00 ,  B01D3/02

CPC classification number: B01D3/02 ,  B29B9/065 ,  B29B9/16 ,  B29B2009/168 ,  B29K2023/06 ,  B29K2023/12 ,  C08F6/005 ,  C08L23/00

Abstract: The present invention relates to a process for treating polyolefin granules in a treatment vessel comprising the steps of: —Providing a bed of granules in liquid in said treatment vessel —Withdrawing a first stream of liquid from said treatment vessel, wherein said first stream of liquid contains hydrocarboneous compounds —introducing a first stream of vapour into said treatment vessel —Withdrawing a second stream of vapour from said treatment vessel wherein said second stream of vapour contains volatile hydrocarboneous compounds —Recovering the granules from said treatment vessel wherein said first stream of vapour has a temperature from Tb to Tb+10° C., wherein Tb is the boiling point of the liquid at the applied pressure, and said first stream of vapour produces an upwards rising vapour stream in said treatment vessel, the superficial vapour velocity of which is no more than 0.2 m/s, and a plant suitable for conducting said process.

Abstract translation: 本发明涉及一种在处理容器中处理聚烯烃颗粒的方法，包括以下步骤： - 在所述处理容器中提供液体中的颗粒床 - 从所述处理容器中抽出第一液体流，其中所述第一液体流 包含烃类化合物 - 将第一蒸汽流引入所述处理容器中 - 从所述处理容器中抽出第二蒸气流，其中所述第二蒸气流含有挥发性烃类化合物 - 从所述处理容器中除去所述颗粒，其中所述第一蒸汽流具有 Tb到Tb + 10℃的温度，其中Tb是在施加压力下的液体的沸点，并且所述第一蒸气流在所述处理容器中产生向上升的蒸气流，其蒸汽速度为 不超过0.2m / s，适用于进行所述方法的植物。

公开(公告)号：US20230416416A1

公开(公告)日：2023-12-28

申请号：US18252453

申请日：2021-11-24

Applicant: BOREALIS AG

Inventor： Michiel Bergstra ,  Danny Cox ,  Klaus Nyfors ,  Claus Molin

IPC: C08F2/01 ,  B01J19/24

CPC classification number: C08F2/01 ,  B01J19/242 ,  B01J19/2435 ,  B01J2219/00024 ,  C08F10/06

Abstract: Method of revamping a bulk loop reactor propylene plant by incorporation of a gas phase reactor having high capacity.

公开(公告)号：US11034784B2

公开(公告)日：2021-06-15

申请号：US16346983

申请日：2017-09-21

Applicant: Borealis AG

Inventor： Mohammad Al-Haj Ali ,  Michiel Bergstra ,  Stefan Hochradl ,  Velichko Hristov ,  Alexander Standler

IPC: C08F6/00 ,  C08F210/16 ,  C08F210/00 ,  C08F6/10

Abstract: A process for reducing the volatile organic compound content of granular plastomers having a density of equal to or lower than 883 kg/m3 and a MFR2 of 100.0 g/10 min or lower (ISO 1133 at 2.16 kg load and 190° C.), to below 65 ppm (VOC, VDA277), the process comprising the steps of providing a granular raw plastomer in a treatment vessel, the granular raw plastomer having a density of equal to or lower than 883 kg/m3, and a MFR2 of 100.0 g/10 min or lower (ISO 1133 at 2.16 kg load and 190° C.), and a volatile organic compound content (VOC, VDA277) of above 150 ppm, subjecting said granular raw plastomer to a gasflow within the range of 30 m3/(h t) to 150 m3/(h t) for an aeration time of less than 96 hours, whereby the gas has a minimum temperature of at least 26° C. measured at a gas inlet of the treatment vessel and a maximum temperature of 4° C. below the Vicat temperature (10 N, ISO 306) of the granular raw plastomer or 35° C. measured at the gas inlet of the treatment vessel, whatever value is lower; and recovering the granular plastomer.

公开(公告)号：US20210024669A1

公开(公告)日：2021-01-28

申请号：US16959348

申请日：2019-01-15

Applicant: BOREALIS AG

Inventor： Mohammad Al-Haj Ali ,  Vasileios Kanellopoulos ,  Michiel Bergstra

IPC: C08F210/16 ,  B29B9/06 ,  B29B9/16

Abstract: Process for reducing the volatile organic compound content of plastomer having a density of equal to or lower than 883 kg/m3 and—a MFR2 of 100.0 g/l 0 min or lower (ISO 1133 at 2.16 kg load and 190° C.); to below 65 ppm(VOC, VDA277), the process comprising the steps of a) providing raw plastomer in granular form, the raw plastomer having a density of equal to or lower than 883 kg/m3; and a MFR2 of 100.0 g/10 min or lower (ISO 1133 at 2.16 kg load and 190° C.); and a volatile organic compound content (VOC, VDA277) of above 150 ppm, and the granules having an average D50 diameter of 2.5 to 4.5 mm b) subjecting said granular raw plastomer to at least one intensive hydrodynamic regime at a minimum temperature of at least 20° C. and a maximum temperature of 4° C. below the Vicat temperature (10 N, ISO 306) of the granular raw plastomer or 35° C., whatever value is lower, with the temperature measured at the gas inlet to the fast-fluidization regime, c) recovering the granular plastomer.

公开(公告)号：US11981761B2

公开(公告)日：2024-05-14

申请号：US16959348

申请日：2019-01-15

Applicant: BOREALIS AG

Inventor： Mohammad Al-Haj Ali ,  Vasileios Kanellopoulos ,  Michiel Bergstra

IPC: B29B9/16 ,  B29B9/06 ,  C08F210/16 ,  B29K23/00

CPC classification number: C08F210/16 ,  B29B9/065 ,  B29B9/16 ,  B29B2009/168 ,  B29K2023/08

Abstract: Process for reducing the volatile organic compound content of plastomer having a density of equal to or lower than 883 kg/m3 and—a MFR2 of 100.0 g/10 min or lower (ISO 1133 at 2.16 kg load and 190° C.); to below 65 ppm (VOC, VDA277), the process comprising the steps of a) providing raw plastomer in granular form, the raw plastomer having a density of equal to or lower than 883 kg/m3; and a MFR2 of 100.0 g/10 min or lower (ISO 1133 at 2.16 kg load and 190° C.); and a volatile organic compound content (VOC, VDA277) of above 150 ppm, and the granules having an average D50 diameter of 2.5 to 4.5 mm b) subjecting said granular raw plastomer to at least one intensive hydrodynamic regime at a minimum temperature of at least 20° C. and a maximum temperature of 4° C. below the Vicat temperature (10 N, ISO 306) of the granular raw plastomer or 35° C., whatever value is lower, with the temperature measured at the gas inlet to the fast-fluidization regime, c) recovering the granular plastomer.

公开(公告)号：US10597472B2

公开(公告)日：2020-03-24

申请号：US15776095

申请日：2016-12-21

Applicant: Borealis AG

Inventor： Henry Sleijster ,  Mohammad Al-Haj Ali ,  Jukka Rasanen ,  Samuli Zitting ,  Michiel Bergstra ,  Erik Eriksson ,  Christof Wurnitsch ,  Guhan Mathivanan ,  Sameer Vijay ,  Vasileios Kanellopoulos ,  Jani Aho ,  Jouni Takakarhu

IPC: C08J11/02 ,  C08F6/10 ,  C08F210/14 ,  C08F6/00 ,  C08F2/06 ,  C08F6/12 ,  C08F10/00 ,  C08F210/02 ,  B01D1/14 ,  B01D1/00

Abstract: An in-line blending process for polymers comprising: (a) providing two or more reactor-low pressure separator units (1,7) in parallel configuration, each reactor-low pressure separator unit comprising one reactor (2,8) fluidly connected to one low pressure separator (3,9) downstream and further a recycling line (5,11) connecting the low pressure separator (3,9) back to the corresponding reactor (2,8); (b) polymerizing olefin monomers having two or more carbon atoms in each of the reactors (2,8) in solution polymerisation; (c) forming an unreduced reactor effluents stream including a homogenous fluid phase polymer-monomer-solvent mixture in each of the reactors (2,8), (d) passing the unreduced reactor effluents streams from each of the reactors (2,8) through the corresponding low pressure separators (3,9), whereby the temperature and pressure of the low pressure separators (3,9) is adjusted such that a liquid phase and a vapour phase are obtained, whereby yielding a polymer-enriched liquid phase and a polymer-lean vapour phase, and (e) separating the polymer-lean vapour phase from the polymer-enriched liquid phase in each of the low-pressure separators (3,9) to form separated polymer-lean vapour streams and separated polymer-enriched liquid streams; (f) combining the polymer-enriched liquid streams from step (e) in a further low-pressure separator and/or a mixer (13) to produce a combined polymer-enriched liquid stream (16); (g) reintroducing the polymer-lean vapour streams from step (e) via recycling lines (5,11) into the corresponding reactors (2,8).

公开(公告)号：US20250019472A1

公开(公告)日：2025-01-16

申请号：US18712752

申请日：2022-11-29

Applicant: Borealis AG

Inventor： Michiel Bergstra ,  Pascal Castro ,  Pauli Leskinen ,  Erno Elovainio ,  Jouni Kivelä ,  Samuli Zitting

IPC: C08F10/06

Abstract: A process for providing an intermediate polyolefin polymer sample from a first polyolefin polymerization reactor coupled in series with a second polyolefin polymerization reactor and being connected by a connecting conduit.

公开(公告)号：US20220380498A1

公开(公告)日：2022-12-01

申请号：US17774967

申请日：2020-12-07

Applicant: Borealis AG

Inventor： Mohammad Al-haj Ali ,  Michiel Bergstra ,  Erik Eriksson ,  Sameer Vijay ,  Christof Wumitsch ,  Samuli Zitting ,  Henry Sleijster ,  Noureddine Ajellal

IPC: C08F210/16 ,  C08F4/659

Abstract: The present invention relates to a polymerization process, comprising: a) supplying a feed containing ethylene and at least one alpha-olefin having 3 to 12 carbon atoms in a hydrocarbon solvent to a polymerization reactor, b) contacting the feed of step a) in the reactor with a catalyst to form a reaction mixture containing an ethylene-alpha-olefin co-polymer, c) withdrawing the reaction mixture from the polymerization reactor as a reactor outlet stream which comprises the ethylene-alpha-olefin co-polymer, unreacted monomer and comonomer, catalyst, and hydrocarbon solvent, d) heating the reactor outlet stream to a temperature which is at least 5° C. higher than the temperature of the reaction mixture at the outlet of the reactor for a time period of between 1 and 250 seconds in order to de-activate the polymerization catalyst, and e) separating hydrocarbon solvent, monomer and comonomer from the reactor outlet stream and recycling it back to the polymerization reactor without further purification steps.

公开(公告)号：US20200062876A1

公开(公告)日：2020-02-27

申请号：US16346983

申请日：2017-09-21

Applicant: Borealis AG

Inventor： Mohammad Al-Haj Ali ,  Michiel Bergstra ,  Stefan Hochradl ,  Velichko Hristov ,  Alexander Standler

IPC: C08F210/16 ,  C08F6/00

Abstract: A process for reducing the volatile organic compound content of granular plastomers having a density of equal to or lower than 883 kg/m3 and a MFR2 of 100.0 g/10 min or lower (ISO 1133 at 2.16 kg load and 190° C.), to below 65 ppm (VOC, VDA277), the process comprising the steps of providing a granular raw plastomer in a treatment vessel, the granular raw plastomer having a density of equal to or lower than 883 kg/m3, and a MFR2 of 100.0 g/10 min or lower (ISO 1133 at 2.16 kg load and 190° C.), and a volatile organic compound content (VOC, VDA277) of above 150 ppm, subjecting said granular raw plastomer to a gasflow within the range of 30 m3/(h t) to 150 m3/(h t) for an aeration time of less than 96 hours, whereby the gas has a minimum temperature of at least 26° C. measured at a gas inlet of the treatment vessel and a maximum temperature of 4° C. below the Vicat temperature (10 N, ISO 306) of the granular raw plastomer or 35° C. measured at the gas inlet of the treatment vessel, whatever value is lower; and recovering the granular plastomer.

公开(公告)号：US20190126511A1

公开(公告)日：2019-05-02

申请号：US16093779

申请日：2017-05-09

Applicant: Borealis AG

Inventor： Jukka Räsänen ,  Samuli Zitting ,  Henry Sleijster ,  Michiel Bergstra ,  Sameer Vijay

IPC: B29B9/16 ,  B29B9/06 ,  F26B17/00

Abstract: Process for hydraulic conveying of polyolefin pellets comprising the steps of: (i) extruding molten polyolefin into strands and cutting the strands into pellets in an underwater pelletiser (A); (ii) withdrawing a first pellet suspension stream (1.1) from the pelletiser; (iii) concentrating the first pellet suspension stream in a first pellet separator (B); (iv) passing the concentrated pellet stream (1.4) to a hydraulic conveying line through a first vessel (D) and mixing it with water thereby producing a second pellet suspension stream (1.5); (v) withdrawing the second pellet suspension stream from the first vessel and passing it to a second pellet separator (E); (vi) separating the pellets from water in the second pellet separator thereby creating a second water stream (1.6) and a dry pellet stream (1.10) and passing the second water stream back to the first vessel; wherein any one of the first or second pellet suspension stream or the dry pellet stream comprises an antiblock.