公开(公告)号：US20160312018A1

公开(公告)日：2016-10-27

申请号：US15103783

申请日：2014-12-29

Applicant: BOREALIS AG

Inventor： Torvald VESTBERG ,  Kauno ALASTALO ,  Pauli LESKINEN ,  Päivi PITKÄNEN (Deceased) ,  Nora MÄKELÄ-VAARNE

IPC: C08L23/14

CPC classification number: C08L23/14 ,  C08F210/06 ,  C08L23/16 ,  C08L2205/025 ,  C08F4/6546 ,  C08F4/6555 ,  C08F2/001 ,  C08F210/08 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/26 ,  C08F4/6492

Abstract: The present invention relates to a process for producing polypropylene terpolymer composition by polymerizing propylene with ethylene and C4 to C8 α-olefin monomers in a sequential polymerization process with at least two reactors connected in series in the presence of solid Ziegler-Natta catalyst having a surface area below 20 m2/g.

Abstract translation: 本发明涉及一种生产聚丙烯三元共聚物组合物的方法，该方法是在顺序聚合过程中将丙烯与C 4 -C 8α-烯烃单体聚合，其中至少两个反应器在具有表面的固体齐格勒 - 纳塔催化剂存在下连续连接 面积低于20 m2 / g。

公开(公告)号：US20220023815A1

公开(公告)日：2022-01-27

申请号：US17297438

申请日：2019-11-28

Applicant: BOREALIS AG

Inventor： Mohammad Ali AL-HAJ ,  Kauno ALASTALO

IPC: B01J8/10

Abstract: The present invention is concerned with a process for providing a homogeneous particle-containing slurry comprising the steps of:
(a) providing a vessel comprising at least one impeller rotating around a vertical axis of the vessel, the vessel further comprising an inlet and an outlet; (b) introducing the particle-containing slurry into the vessel or introducing components forming the particle-containing slurry into the vessel; (c) rotating the at least one impeller at least around the vertical axis for homogenizing and/or maintaining a homogeneous particle distribution within the slurry; (d) withdrawing the homogeneous particle-containing slurry via the outlet; (e) stopping the at least one impeller for a maximum time T, whereby T is calculated according to the following relations: u T = 4 ⁢ g ⁡ ( ρ p - ρ f ) ⁢ D p 3 ⁢ ρ f ⁢ C D ( 1 ) C D = 24 Re ⁡ [ 1 + 0.173 ⁢ Re 0.657 ] ( 2 ) T = h u T ( 3 )

公开(公告)号：US20150259446A1

公开(公告)日：2015-09-17

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: 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：US20190010263A1

公开(公告)日：2019-01-10

申请号：US16067170

申请日：2016-12-27

Applicant: BOREALIS AG

Inventor： Kristin REICHELT ,  Kauno ALASTALO ,  Klaus NYFORS ,  Luigi RESCONI

IPC: C08F210/06 ,  C08J5/18

CPC classification number: C08F210/06 ,  C08F2/001 ,  C08F2/01 ,  C08F2/12 ,  C08F2800/20 ,  C08J5/18 ,  C08J2323/14 ,  C08L23/14

Abstract: The present invention relates to an olefin polymerization process for producing propylene copolymer composition (P), wherein propylene, C4 to C10 α-olefin and optionally ethylene are reacted in the presence of a Ziegler-Natta catalyst in a multistage polymerization process comprising at least two polymerization reactors, wherein the copolymer composition is bimodal with respect to the content of C4 to C10 α-olefin and, if present, to ethylene. Further, the invention is directed to the propylene copolymer composition being bimodal with respect to the content of C4 to C10 α-olefin and optionally to ethylene, and use of said propylene copolymer compositions for producing articles.

公开(公告)号：US20150315313A1

公开(公告)日：2015-11-05

申请号：US14758117

申请日：2013-12-19

Applicant: BOREALIS AG

Inventor： Kauno ALASTALO ,  Johanna LILJA ,  Pauli LESKINEN

IPC: C08F210/06

CPC classification number: C08F210/06 ,  C08F210/16 ,  C08F2/001 ,  C08F210/08 ,  C08F2500/12

Abstract: The present invention is directed to a process of polymerizing propylene in at least three stages. In the first, and optionally in the second, polymerization stage propylene, ethylene and at least one alpha-olefin having from 4 to 10 carbon atoms are introduced into the polymerization reactors as fresh monomer feeds. In the third polymerization stage propylene and optionally ethylene is introduced as fresh monomer feed.

Abstract translation: 本发明涉及至少三个阶段聚合丙烯的方法。 在第一个和任选的第二个聚合阶段中，将丙烯，乙烯和至少一种具有4-10个碳原子的α-烯烃作为新鲜的单体进料引入到聚合反应器中。 在第三聚合阶段中，将丙烯和任选的乙烯作为新鲜的单体进料引入。

公开(公告)号：US20160194419A1

公开(公告)日：2016-07-07

申请号：US14786430

申请日：2014-04-22

Applicant: BOREALIS AG ,  ABU DHABI POLYMERS CO. LTD (BOROUGE) L.L.C.

Inventor： Kauno ALASTALO ,  Pauli LESKINEN ,  Cristian HEDESIU ,  Johanna LILJA

IPC: C08F210/16 ,  C08K13/02

CPC classification number: C08F210/16 ,  C08K13/02 ,  C08L23/12 ,  C08L23/142 ,  C08L2203/18 ,  C08L2205/025 ,  C08L2308/00 ,  C08L2314/02 ,  C08F210/06 ,  C08F2/001 ,  C08F2500/05 ,  C08F2500/12 ,  C08F2500/21

Abstract: A process for polymerizing propylene in the presence of a polymerization catalyst by copolymerizing propylene with a comonomer selected from the group of ethylene and C4-C10 alpha-olefins in three polymerization stages. The polymer produced in the first polymerization stage has the highest melt flow rate and the lowest content of comonomer. The polymer produced in the last polymerization stage has the lowest melt flow rate and the highest content of comonomer. The polymer composition produced by the process has good mechanical properties and can be used for making pipes. The process has a good productivity.

Abstract translation: 在聚合催化剂存在下，通过在三个聚合阶段使丙烯与选自乙烯和C 4 -C 10α-烯烃的共聚单体共聚合来进行聚合的方法。 在第一聚合阶段中生产的聚合物具有最高的熔体流动速率和最低含量的共聚单体。 在最后聚合阶段中生产的聚合物具有最低的熔体流动速率和最高含量的共聚单体。 该方法生产的聚合物组合物具有良好的机械性能，可用于制造管材。 该过程具有良好的生产力。

公开(公告)号：US20160145428A1

公开(公告)日：2016-05-26

申请号：US14786482

申请日：2014-04-22

Applicant: ABU DHABI POLYMERS COMPANY LIMITED (BOROUGE) L.L.C. ,  BOREALIS AG

Inventor： Cristian HEDESIU ,  Kauno ALASTALO

IPC: C08L23/14 ,  F16L9/12

CPC classification number: C08L23/14 ,  C08K5/0083 ,  C08L23/142 ,  C08L2203/18 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/24 ,  C08L2314/02 ,  F16L9/12 ,  C08F210/06 ,  C08F210/16 ,  C08F2500/05 ,  C08F2500/12 ,  C08F2/001 ,  C08F4/6492 ,  C08F4/651

Abstract: The present invention relates to a polypropylene composition comprisinga multimodal propylene random copolymer (A) with at least one comonomer selected from alpha-olefins with 2 or 4 to 8 carbon atoms and a nucleating agent (B), wherein the polypropylene composition has a Charpy Notched Impact Strength at 23° C. of at least 30 kJ/m2, determined according to ISO 179/1eA:2000 using notched injection moulded specimens, a process for producing said polypropylene composition, an article comprising said polypropylene composition and the use of said polypropylene composition for the production of an article.

Abstract translation: 本发明涉及一种聚丙烯组合物，其包含具有至少一种选自具有2或4至8个碳原子的α-烯烃和成核剂（B）的共聚单体的多峰丙烯无规共聚物（A），其中所述聚丙烯组合物具有夏比 在23℃下的缺口冲击强度为至少30kJ / m 2，根据ISO 179 / 1eA：2000使用缺口注塑试样测定，制备所述聚丙烯组合物的方法，包含所述聚丙烯组合物的制品和所述 聚丙烯组合物用于生产物品。

公开(公告)号：US20160145364A1

公开(公告)日：2016-05-26

申请号：US14786471

申请日：2014-04-22

Applicant: ABU DHABI POLYMERS CO. LTD (BOROUGE) L.L.C. ,  BOREALIS AG

Inventor： Kauno ALASTALO ,  Pauli LESKINEN ,  Johanna LILJA ,  Cristian HEDESIU

IPC: C08F210/06

CPC classification number: C08F210/06 ,  C08L23/142 ,  C08L2203/18 ,  C08L2205/025 ,  C08L2308/00 ,  C08L2314/02 ,  C08F4/6543 ,  C08F2/001 ,  C08F4/6492 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/01 ,  C08F2500/02 ,  C08F2500/05

Abstract: A process for polymerizing propylene in the presence of a polymerization catalyst by copolymerizing propylene with a comonomer selected from the group of ethylene and C4-C10 alpha-olefins in two polymerization stages. The first polymerization stage is conducted in a loop reactor and the second polymerization stage in a gas phase reactor. The polymer produced in first polymerization stage has a higher melt flow rate and a lower content of comonomer units than the final polymer mixture. The process can be operated with a high throughput and catalyst productivity.

Abstract translation: 在聚合催化剂存在下，通过在两个聚合阶段使丙烯与选自乙烯和C 4 -C 10α-烯烃的共聚单体共聚合来进行聚合的方法。 第一聚合阶段在环流反应器中进行，第二聚合阶段在气相反应器中进行。 在第一聚合阶段中生产的聚合物具有比最终聚合物混合物更高的熔体流动速率和更低的共聚单体单元含量。 该方法可以以高产量和催化剂生产率运行。