公开(公告)号：US09260547B2

公开(公告)日：2016-02-16

申请号：US14723016

申请日：2015-05-27

Applicant: BOREALIS AG

Inventor： Ilke Senol ,  Erik Eriksson ,  Kauno Alastalo ,  Pauli Leskinen ,  Klaus Nyfors

IPC: C08F2/14 ,  C08F2/38 ,  C08F110/02

CPC classification number: C08F110/02 ,  C08F2/14 ,  C08F10/02 ,  C08F2/001 ,  C08F2500/12

Abstract: A process including polymerizing ethylene in the presence of a polymerization catalyst and hydrogen in a first polymerization reactor to produce a first slurry; withdrawing a first stream of the slurry from the first polymerization reactor; directing the slurry stream into a second polymerization reactor; polymerizing ethylene in the presence of the first ethylene polymer, the polymerization catalyst, and hydrogen in a second polymerization reactor to produce a second slurry; withdrawing from the second polymerization reactor a second slurry stream having a solids concentration higher than the average solids concentration of the second slurry within the second polymerization reactor; withdrawing from the second polymerization reactor a third slurry stream having a solids concentration lower than the average solids concentration of the second slurry within the second polymerization reactor; and directing at least a part of the second slurry stream into one of the first and second polymerization reactors.

Abstract translation: 一种方法，包括在聚合催化剂和氢存在下在第一聚合反应器中聚合乙烯以产生第一浆料; 从第一聚合反应器中取出第一浆料流; 将浆料流引导到第二聚合反应器中; 在第二聚合反应器中在第一乙烯聚合物，聚合催化剂和氢的存在下聚合乙烯以产生第二浆料; 从所述第二聚合反应器中排出具有高于所述第二聚合反应器内的所述第二浆料的平均固体浓度的固体浓度的第二浆料流; 从所述第二聚合反应器中排出具有低于所述第二聚合反应器内的所述第二浆料的平均固体浓度的固体浓度的第三浆料流; 以及将所述第二浆料流的至少一部分引导到所述第一和第二聚合反应器之一中。

公开(公告)号：US09234061B2

公开(公告)日：2016-01-12

申请号：US14388427

申请日：2013-03-28

Applicant: BOREALIS AG

Inventor： Markku Vahteri ,  Antti Tynys ,  Erik Eriksson ,  Magnus Palmlöf ,  Tuomas Noopila ,  Ilke Senol ,  Saeid Kheirandish

IPC: C08F210/16 ,  C08J5/18 ,  C08L23/04 ,  C08L23/08

CPC classification number: C08F210/16 ,  C08J5/18 ,  C08J2323/08 ,  C08L23/04 ,  C08L23/08 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2314/02 ,  C08L23/06 ,  C08L23/0815 ,  C08F2/001 ,  C08F2500/05 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/19 ,  C08F2500/26

Abstract: A multimodal ethylene copolymer with a density of at least 940 kg/m3 having an MFR21 in the range of 1 to 30 g/10 min and a Fmax/λI ratio of less than 60 cN/s; said ethylene copolymer comprising at least three components (I) an ethylene and optionally at least one C3-20 alpha olefin comonomer component forming 30 to 60 wt % of said ethylene copolymer; (II) an ethylene and optionally at least one C3-20 alpha olefin comonomer second component forming 30 to 60 wt % of said ethylene copolymer: and (III) an ethylene and optionally at least one C3-20 alpha olefin comonomer third component forming 3 to 20 wt % of said ethylene copolymer; wherein at least one of components (II) or (III) is a copolymer.

Abstract translation: 密度为至少940kg / m 3的多峰乙烯共聚物，MFR 21为1〜30g / 10min，Fmax /λI比小于60cN / s; 所述乙烯共聚物包含至少三种组分（I）乙烯和任选的至少一种形成所述乙烯共聚物的30-60重量％的C 3-20α-烯烃共聚单体组分; （II）乙烯和任选的至少一种C 3-20α-烯烃共聚单体第二组分，其形成30至60重量％的所述乙烯共聚物;和（III）乙烯和任选的至少一种C 3-20α-烯烃共聚单体第三组分，形成3 至20重量％的所述乙烯共聚物; 其中组分（II）或（III）中的至少一种是共聚物。