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公开(公告)号：US20190055328A1
公开(公告)日：2019-02-21
申请号：US16079229
申请日：2017-02-23
发明人： Gerhardus Meier , Ulf Schueller , Claudio Fibla , Shahram Mihan
IPC分类号： C08F10/02
摘要： A process for the preparation of an ethylene polymer including the step of polymerizing ethylene or copolymerizing ethylene and one or more other olefins in the presence of a Phillips-type chromium catalyst in a gas-phase polymerization reactor containing a reactor bed of particulate polymer, wherein the gas-phase polymerization reactor is equipped with a cycle gas line, wherein the reactor gas returned to the polymerization reactor through the cycle gas line has been condensed in part and the amount of liquid in the returned reactor gas is from 0.5 wt. % to 10 wt. % based upon the total weight of the reactor gas/liquid composition, the polymerization is carried out at from 108° C. to 125° C., and an aluminum alkyl is fed into the polymerization reactor in an amount in the range of from 0.0025 mole to 0.1 mole per ton of dosed ethylene.
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公开(公告)号：US11485838B2
公开(公告)日：2022-11-01
申请号：US16954691
申请日：2018-12-12
发明人： Diana Doetsch , Bernd Lothar Marczinke , Gerhardus Meier , Ulf Schueller , Claudio Fibla , Rainer Sattel , Peter Bisson
IPC分类号： C08F210/16 , C08F2/00 , C08L23/06 , C08F4/02 , C08F4/52
摘要： A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from 12 to 40; 3) Mz from 500,000 to 3,500,000 g/mol; 4) η0.02 from 80,000 to 300,000 Pa·s; 5) HMWcopo index from 1 to 15; and 6) Mz/Mw*LCBI lower than 6.4.
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公开(公告)号：US11236183B2
公开(公告)日：2022-02-01
申请号：US17053633
申请日：2019-05-14
IPC分类号： C08F10/02 , C08F110/02 , C08F2/00 , C08F210/16
摘要： A polyethylene composition for producing blow-molded hollow articles, having the following features:
1) a density from 0.945 to 0.958 g/cm3, determined according to ISO 1183 at 23° C.;
2) a ratio MIF/MI10 from 2 to 10;
3) a η0.02 from 200,000 to 800,000 Pa·s;
4) a LCBI equal to or lower than 0.80; and
5) a ratio (η0.02/1000)/LCBI equal to or greater than 350.-
公开(公告)号：US20170348658A1
公开(公告)日：2017-12-07
申请号：US15523909
申请日：2015-11-12
发明人： Dieter Littmann , Georg Groos , Andre-Armand Finette , Michael Deuerling , Sven Wolfram , Juergen Mohrbutter , Danir Khayrullin , Claudio Fibla , Christoph Wolf
CPC分类号： B01J4/002 , B01J2219/185 , B01J2219/1943 , B01J2219/1946 , C08F2/004 , C08F2/01 , C08F6/001 , C08J11/02 , Y02P20/582
摘要： A process for separating polymeric and gaseous components of a polymer-monomer mixture at a pressure of from 0.12 MPa to 0.6 MPa and a temperature of from 120° C. to 300° C. in a separation vessel is provided. The separation vessel has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 0.6 to 10 and an inlet pipe capable of introducing the polymer-monomer mixture into the separation vessel which the inlet pipe extends vertically from the top of the separation vessel into the separation vessel. Further a process for preparing ethylene homopolymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100° C. to 350° C. and pressures in the range of from 110 MPa to 500 MPa comprising such a process for separating a polymer-monomer mixture is provided.
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5.发明申请VESSEL FOR SEPARATING COMPONENTS OF A REACTION MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS WITH INTEGRATED BURSTING DISCS 有权用于分离由具有整体冲击盘的乙烯基不饱和单体的高压聚合获得的反应混合物的组分的容器公开(公告)号：US20160319046A1
公开(公告)日：2016-11-03
申请号：US15106150
申请日：2014-12-15
发明人： Erich Neumann , Danir Khayrullin , Claudio Fibla
CPC分类号： C08F6/10 , B01D19/0036 , B01D19/0063 , B01J3/002 , B01J19/2415 , B01J2219/185 , B01J2219/1943 , B01J2219/1946 , C08F10/02 , Y02P20/582
摘要： The present disclosure relates to a vessel for separating, at a pressure of from 10 MPa to 50 MPa, a composition comprising liquid components and gaseous components into a liquid fraction and a gaseous fraction, whereinthe separation vessel has a vertically arranged cylindrical shape,has at its top a manhole, which is surrounded by a thickened part of the separation vessel wall;and bears at least one bursting disc which is held by a bursting disc holder which is installed pressure-tight within a boring in the thickened part of the separation vessel wall.
摘要翻译： 并具有至少一个爆破盘，其由爆破盘保持器保持，破裂盘保持器在分离容器壁的加厚部分的镗孔内压力安装。
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6.发明申请公开(公告)号：US20160304631A1
公开(公告)日：2016-10-20
申请号：US15101372
申请日：2014-12-03
IPC分类号： C08F6/10 , G01F23/288 , C08F6/12
CPC分类号： C08F6/10 , B01J4/002 , C08F6/001 , C08F6/12 , C08F10/02 , G01F23/2885 , C08L23/04 , C08F2/00
摘要： The present disclosure generally relates to a process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators into a gaseous fraction and a liquid fraction in a separation vessel, wherein the filling level of the liquid fraction in the separation vessel is measured by a radiometric level measurement system comprising at least two radioactive sources and at least three radiation detectors, and the filling level is controlled by a product discharge valve which operates based on data coming from the level measurement system.
摘要翻译： 本发明一般涉及通过烯键式不饱和单体在自由基聚合引发剂存在下高压聚合得到的反应混合物中的聚合物和气态组分分离成气态馏分和分离容器中的液体馏分的方法， 其中分离容器中的液体部分的填充水平由包括至少两个放射源和至少三个辐射检测器的辐射测量水平测量系统测量，并且填充水平由产品排放阀控制，该产品排出阀基于数据来进行操作 从水平测量系统。
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7.发明公开公开(公告)号：US20240343847A1
公开(公告)日：2024-10-17
申请号：US18580415
申请日：2022-07-05
发明人： Diana Doetsch , Bernd Lothar Marczinke , Gerhardus Meier , Ulf Schueller , Elke Damm , Claudio Fibla
IPC分类号： C08F210/16 , C08L23/06 , C08L23/08
CPC分类号： C08F210/16 , C08L23/06 , C08L23/0815 , C08L2205/025 , C08L2314/02
摘要： A polyethylene composition having the following features:
1) a density from 0.957 to 0.968 g/cm3;
2) a ratio MIF/MIP from 12 to 30;
3) a MIF from 41 to 60 g/10 min.;
4) a long-chain branching index, LCBI, equal to or greater than 0.45; and
5) a ratio (η0.02/1000)/LCBI from 45 to 75.-
公开(公告)号：US10570277B2
公开(公告)日：2020-02-25
申请号：US16463790
申请日：2017-10-30
发明人： Diana Doetsch , Bernd Lothar Marczinke , Gerhardus Meier , Ulf Schueller , Elke Damm , Claudio Fibla
摘要： A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from greater than 0.952 to 0.957 g/cm3, determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) η0.02 from 30,000 to 55,000 Pa·s; 5) long-chain branching index, LCBI, equal to or greater than 0.55; 6) ratio (η0.02/1000)/LCBI from 55 to 75.
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公开(公告)号：US09637568B2
公开(公告)日：2017-05-02
申请号：US15101372
申请日：2014-12-03
IPC分类号： C08F2/00 , C08F4/00 , C08F210/00 , B01J10/00 , B01J19/18 , C08F6/10 , C08F6/00 , C08F6/12 , G01F23/288 , C08F10/02 , B01J4/00
CPC分类号： C08F6/10 , B01J4/002 , C08F6/001 , C08F6/12 , C08F10/02 , G01F23/2885 , C08L23/04 , C08F2/00
摘要： The present disclosure generally relates to a process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators into a gaseous fraction and a liquid fraction in a separation vessel, wherein the filling level of the liquid fraction in the separation vessel is measured by a radiometric level measurement system comprising at least two radioactive sources and at least three radiation detectors, and the filling level is controlled by a product discharge valve which operates based on data coming from the level measurement system.
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公开(公告)号：US10920050B2
公开(公告)日：2021-02-16
申请号：US16463288
申请日：2017-10-30
发明人： Diana Doetsch , Bernd Lothar Marczinke , Gerhardus Meier , Ulf Schueller , Elke Damm , Claudio Fibla
IPC分类号： C08L23/06 , C08F2/00 , C08F4/646 , C08F110/02 , C08F210/02
摘要： A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.948 to 0.952 g/cm3 determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) Mz equal to or greater than 1,200,000 g/mol; 5) η0.02 from 35,000 to 55,000 Pa·s; 6) long-chain branching index, LCBI, equal to or greater than 0.55; and 7) ratio (η0.02/1000)/LCBI from 55 to 75.
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