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公开(公告)号：US20190135950A1
公开(公告)日：2019-05-09
申请号：US16099996
申请日：2017-05-09
Applicant: Basell Polyolefine GmbH
Inventor： Andrei Gonioukh , Thomas Herrmann , Dieter Littmann , Andre-Armand Finette , Sven Wolfram
IPC: C08F2/34 , C08F2/01 , C08F210/02 , B01J19/18
CPC classification number: C08F2/34 , B01J19/1812 , B01J2208/00539 , B01J2208/00548 , C08F2/01 , C08F210/02 , C08F2400/02 , C08F2/00
Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers at pressures in the range of from 110 MPa to 500 MPa in a production line comprising a continuously operated polymerization reactor, wherein the process comprises monitoring the surrounding of the production line with respect to an occurrence of a leakage of monomers or of reaction mixture by an IR point detector arrangement of at least three groups of IR point detectors which are capable of detecting hydrocarbons and the groups of IR point detectors are operating according to a voting logic and starting automatically an emergency pressure release program when a group of IR point detectors of the IR point detector arrangement detects the presence of hydrocarbons.
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公开(公告)号：US20180171044A1
公开(公告)日：2018-06-21
申请号：US15579882
申请日：2016-06-14
Applicant: Basell Polyolefine GmbH
Inventor： Christoph Wolf , Andre-Armand Finette , Andrei Gonioukh , Dieter Littmann , Thomas Herrmann , Georg Groos
IPC: C08F110/02 , B01J19/24
CPC classification number: C08F110/02 , B01J19/2415 , B01J19/2465 , B01J2219/00081 , B01J2219/00092 , B01J2219/24 , C08F2/04 , Y02P20/582
Abstract: The present disclosure relates to a plant for performing polymerization, such as the polymerization of ethylene, having a recycle connection with two or more cooling channels arranged in parallel, a process for polymerization and downstream processes, and a plant for polymerization, comprising the following plant components in fluid communication: a) A reactor with an inlet side and an outlet side; b) A recycle connection positioned in fluid communication between the outlet side of the reactor and the inlet side of the reactor; wherein the recycle connection comprises two or more cooling channels arranged in parallel.
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23.发明授权公开(公告)号：US09631037B2
公开(公告)日：2017-04-25
申请号：US15240084
申请日：2016-08-18
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Jurgen Peter Mohrbutter , Giulia Mei , Andre-Armand Finette , Sven Georg Wolfram , Michael Deuerling , Danir Khayrullin , Georg Groos , Christoph Wolf
CPC classification number: C08F110/02 , B01J19/2415 , C08F2/01 , C08F2/34 , C08J5/18 , C08J2323/06 , C08F2/00 , C08F2500/12 , C08F2500/26
Abstract: The present technology relates to a process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, wherein the polymerization is carried out in a continuously operated tubular reactor at temperatures from 100° C. to 350° C. and pressures from 180 MPa to 340 MPa, with a specific reactor surface area Asp of 2 m2/(t/h) to 5.5 m2/(t/h), and the tubular reactor has a specific ratio RDsp of 0.0050 MPa−1 to 0.0069 MPa−1 and an inner surface which has a surface roughness Ra of 2 μm or less.
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24.发明授权High-pressure polymerization process of ethylenically unsaturated monomers in a tubular reactor 有权烯属不饱和单体在管式反应器中的高压聚合方法公开(公告)号：US09441057B1
公开(公告)日：2016-09-13
申请号：US15044855
申请日：2016-02-16
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Jurgen Peter Mohrbutter , Giulia Mei , Andre-Armand Finette , Sven Georg Wolfram , Michael Deuerling , Danir Khayrullin , Georg Groos , Christoph Wolf
IPC: C08F2/01 , C08F2/34 , C08F2/38 , C08F110/02 , C08J5/18
CPC classification number: C08F110/02 , B01J19/2415 , C08F2/01 , C08F2/34 , C08J5/18 , C08J2323/06 , C08F2/00 , C08F2500/12 , C08F2500/26
Abstract: The present technology relates to a process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, wherein the polymerization is carried out in a continuously operated tubular reactor at temperatures from 100° C. to 350° C. and pressures from 180 MPa to 340 MPa, with a specific reactor surface area Asp of 2 m2/(t/h) to 5.5 m2/(t/h), and the tubular reactor has a specific ratio RDsp of 0.0050 MPa−1 to 0.0069 MPa−1 and an inner surface which has a surface roughness Ra of 2 μm or less.
Abstract translation: 本技术涉及在自由基聚合引发剂存在下聚合或共聚烯属不饱和单体的方法，其中聚合在连续操作的管式反应器中在100℃至350℃的温度下进行，压力 从180MPa到340MPa，比表面积Asp为2m 2 /（t / h）至5.5m 2 /（t / h），并且管式反应器的比值RDsp为0.0050MPa-1至0.0069MPa -1，表面粗糙度Ra为2μm以下的内表面。
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公开(公告)号：US20210148633A1
公开(公告)日：2021-05-20
申请号：US16623579
申请日：2018-06-21
Applicant: Basell Polyolefine GmbH
Inventor： Giulia Mei , Juergen Mohrbutter , Dieter Littmann , Christoph Wolf , Andre-Armand Finette , Michael Deuerling , Giuseppe Penzo
Abstract: Method for the preparation of dried polymer pellets in a facility having a dryer with a first chamber and a mechanical agitator, and the facility further having a degassing silo with a second chamber, the method includes the steps of guiding a drying gas flow made from or containing a first gas mixture for drying wet polymer pellets into the first chamber, transferring the dried polymer pellets into the second chamber, guiding a second gas mixture for degassing the dried polymer pellets into the second chamber thereby transforming the second gas mixture into a third gas mixture and guiding a portion of the third gas mixture into the first chamber; and process for manufacturing LDPE pellets.
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Patent Agency Ranking
公开(公告)号：US10472428B2
公开(公告)日：2019-11-12
申请号：US16300177
申请日：2017-05-09
Applicant: Basell Polyolefine GmbH
Inventor： Andrei Gonioukh , Thomas Herrmann , Dieter Littmann , Andre-Armand Finette , Siegfried Mischok
Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers at pressures in the range of from 110 MPa to 500 MPa in a production line comprising a continuously operated polymerization reactor which is installed within a protective enclosure, wherein the production line is monitored with respect to an occurrence of a leakage of monomers or of reaction mixture and a water based deluge system, which provides droplets of a diameter in a range from 25 μm to 20 mm to the enclosed area, is automatically started with a minimum flow rate of 10 L/min per m2 of enclosed area when a leakage of monomers or of reaction mixture is detected.
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27.发明授权公开(公告)号：US10343135B1
公开(公告)日：2019-07-09
申请号：US16144627
申请日：2018-09-27
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Andre-Armand Finette , Christoph Wolf , Michael Deuerling , Juergen Peter Mohrbutter , Danir Khayrullin
IPC: C08F210/02 , C08F210/16 , F16L3/23 , B01J19/24 , F16L43/00
Abstract: The present disclosure relates to a manufacturing plant for high-pressure polymerization having a layered tubular reactor and a method for an emergency shutdown in said manufacturing plant. The present disclosure also relates to a process for manufacturing LDPE using said layered tubular reactor.
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公开(公告)号：US10308738B2
公开(公告)日：2019-06-04
申请号：US15579882
申请日：2016-06-14
Applicant: Basell Polyolefine GmbH
Inventor： Christoph Wolf , Andre-Armand Finette , Andrei Gonioukh , Dieter Littmann , Thomas Herrmann , Georg Groos
IPC: C08F110/02 , C08F2/04 , B01J19/24
Abstract: The present disclosure relates to a plant for performing polymerization, such as the polymerization of ethylene, having a recycle connection with two or more cooling channels arranged in parallel, a process for polymerization and downstream processes, and a plant for polymerization, comprising the following plant components in fluid communication: a) A reactor with an inlet side and an outlet side; b) A recycle connection positioned in fluid communication between the outlet side of the reactor and the inlet side of the reactor; wherein the recycle connection comprises two or more cooling channels arranged in parallel.
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公开(公告)号：US10005862B2
公开(公告)日：2018-06-26
申请号：US14654252
申请日：2013-12-16
Applicant: Basell Polyolefine GmbH
Inventor： Andre-Armand Finette , Christoph Wolf , Danir Khayrullin , Giulia Mei , Juergen Mohrbutter , Dieter Littmann
IPC: C08F210/02 , C08F210/04 , C08F210/08 , C08F2/00 , C07C67/54
CPC classification number: C08F210/02 , C08F2/00 , C08F218/08
Abstract: Process for copolymerizing ethylene and esters of vinyl alcohol in the presence of free-radical polymerization initiators at pressures in the range of from 110 MPa to 500 MPa and temperatures in the range of from 100° C. to 350° C. in a continuously operated polymerization apparatus comprising a polymerization reactor and one or more compressors, which compress the monomer mixture fed to the polymerization reactor to the polymerization pressure, wherein the monomer mixture is compressed by a sequence of compression stages in which the compressed gas mixture is cooled after each compression stage and the fraction of the monomer mixture, which is liquid after this cooling, is separated off and returned to the polymerization apparatus in liquid form, and wherein at least a part of the liquid fractions obtained after compressing the monomer mixture in the respective compression stage to a pressure of from 0.2 MPa to 10 MPa is purified before being returned to the polymerization process.
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30.发明申请公开(公告)号：US20170183429A1
公开(公告)日：2017-06-29
申请号：US15461064
申请日：2017-03-16
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Jürgen Peter Mohrbutter , Giulia Mei , Andre-Armand Finette , Sven Georg Wolfram , Michael Deuerling , Danir Khayrullin , Georg Groos , Christoph Wolf
IPC: C08F110/02 , B01J19/24 , C08J5/18
CPC classification number: C08F110/02 , B01J19/2415 , C08F2/01 , C08F2/34 , C08J5/18 , C08J2323/06 , C08F2/00 , C08F2500/12 , C08F2500/26
Abstract: The present technology relates to a process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, wherein the polymerization is carried out in a continuously operated tubular reactor at temperatures from 100° C. to 350° C. and pressures from 180 MPa to 340 MPa, with a specific reactor surface area Asp of 2 m2/(t/h) to 5.5 m2/(t/h), and the tubular reactor has a specific ratio RDsp of 0.0050 MPa−1 to 0.0069 MPa−1 and an inner surface which has a surface roughness Ra of 2 μm or less.
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