NO304927B1 - FremgangsmÕte ved polymerisering av olefiner i en reaktor med fluidisert sjikt - Google Patents

FremgangsmÕte ved polymerisering av olefiner i en reaktor med fluidisert sjikt

Info

Publication number
NO304927B1
NO304927B1 NO960035A NO960035A NO304927B1 NO 304927 B1 NO304927 B1 NO 304927B1 NO 960035 A NO960035 A NO 960035A NO 960035 A NO960035 A NO 960035A NO 304927 B1 NO304927 B1 NO 304927B1
Authority
NO
Norway
Prior art keywords
bed reactor
fluid bed
polymerizing olefins
olefins
polymerizing
Prior art date
Application number
NO960035A
Other languages
English (en)
Norwegian (no)
Other versions
NO960035D0 (no
NO960035L (no
Inventor
Jukka Koskinen
Henrik Andtsj
Jouni Takakarhu
Kari Sarantila
Original Assignee
Borealis Polymers Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Borealis Polymers Oy filed Critical Borealis Polymers Oy
Publication of NO960035D0 publication Critical patent/NO960035D0/no
Publication of NO960035L publication Critical patent/NO960035L/no
Publication of NO304927B1 publication Critical patent/NO304927B1/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/38—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
    • B01J8/382—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it with a rotatable device only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
    • B01F33/4021—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements the gas being introduced through the shaft of the stirring element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1872—Details of the fluidised bed reactor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
NO960035A 1993-07-05 1996-01-04 FremgangsmÕte ved polymerisering av olefiner i en reaktor med fluidisert sjikt NO304927B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI933073A FI96745C (fi) 1993-07-05 1993-07-05 Menetelmä olefiinien polymeroimiseksi leijupetipolymerointireaktorissa
PCT/FI1994/000304 WO1995001831A1 (en) 1993-07-05 1994-07-01 Method for polymerizing olefins in a fluid-bed reactor

Publications (3)

Publication Number Publication Date
NO960035D0 NO960035D0 (no) 1996-01-04
NO960035L NO960035L (no) 1996-01-04
NO304927B1 true NO304927B1 (no) 1999-03-08

Family

ID=8538272

Family Applications (1)

Application Number Title Priority Date Filing Date
NO960035A NO304927B1 (no) 1993-07-05 1996-01-04 FremgangsmÕte ved polymerisering av olefiner i en reaktor med fluidisert sjikt

Country Status (9)

Country Link
US (1) US5616662A (pt)
EP (1) EP0707513B1 (pt)
CN (1) CN1036053C (pt)
BR (1) BR9406922A (pt)
CA (1) CA2166486C (pt)
DE (1) DE69413690T2 (pt)
FI (1) FI96745C (pt)
NO (1) NO304927B1 (pt)
WO (1) WO1995001831A1 (pt)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96216C (fi) * 1994-12-16 1996-05-27 Borealis Polymers Oy Prosessi polyeteenin valmistamiseksi
FI111848B (fi) 1997-06-24 2003-09-30 Borealis Tech Oy Menetelmä ja laitteisto propeenin homo- ja kopolymeerien valmistamiseksi
FI108001B (fi) * 2000-01-28 2001-11-15 Borealis Polymers Oy Nesteen syöttö
WO2001085329A2 (en) * 2000-05-12 2001-11-15 Upfront Chromatography A/S A bed adsorption system
US7446156B2 (en) 2006-05-16 2008-11-04 Westlake Longview Corporation Swirling fluidized-bed reactors for olefin polymerization
EP2072588B1 (en) 2007-12-20 2012-10-10 Borealis Technology Oy Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof
PL2072586T3 (pl) 2007-12-20 2021-05-31 Borealis Technology Oy Powlekane rury o ulepszonych właściwościach mechanicznych i sposób ich wytwarzania
EP2072587B1 (en) 2007-12-20 2020-06-03 Borealis Technology Oy Coated pipes having improved mechanical properties at elevated temperatures and a method of production thereof
EP2072589A1 (en) 2007-12-20 2009-06-24 Borealis Technology Oy Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof
EP2090356A1 (en) 2007-12-24 2009-08-19 Borealis Technology OY Reactor systems and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymeration of olefins
EP2082797A1 (en) 2007-12-24 2009-07-29 Borealis Technology OY Reactor system for the catalytic polymerization of olefins comprising shielding means and a process and use thereof
EP2090357B1 (en) 2007-12-24 2018-04-04 Borealis Technology OY Reactor system and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymerization of olefins
KR100926447B1 (ko) * 2007-12-31 2009-11-13 세메스 주식회사 탄소나노튜브 생성을 위한 유동층 장치 및 방법
KR100964867B1 (ko) 2007-12-31 2010-06-23 세메스 주식회사 탄소나노튜브 생성을 위한 유동층 장치
EP2130859A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof
EP2130862A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions and pressure-resistant pipes made thereof
EP2130863A1 (en) 2008-06-02 2009-12-09 Borealis AG High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom
EP2182524A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and Polymer composition comprising a multimodal ethylene copolymer
EP2182525A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and polymer composition comprising a multimodal ethylene copolymer
EP2182526A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and polymer composition comprising an multimodal ethylene copolymer
ATE551369T1 (de) 2008-11-17 2012-04-15 Borealis Ag Mehrstufiger prozess zur herstellung von polyethylen mit reduzierter gelbildung
EP2228394B1 (en) 2009-02-24 2013-09-04 Borealis AG Multi-stage process for producing multi-modal linear low density polyethylene
EP2228395A1 (en) 2009-02-24 2010-09-15 Borealis AG Improved multi-stage process for producing multi-modal ethylene polymer composition
ES2370689T3 (es) 2009-02-25 2011-12-21 Borealis Ag Polímero multimodal de polipropileno, composición que comprende el mismo y un procedimiento para producir el mismo.
EP2223944A1 (en) 2009-02-26 2010-09-01 Borealis AG Process for producing semicrystalline propylene polymers
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WO2011058089A1 (en) 2009-11-13 2011-05-19 Borealis Ag Process for producing a polymerization catalyst
US8501881B2 (en) 2009-11-13 2013-08-06 Borealis Ag Process for olefin polymerization
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ES2605429T3 (es) 2011-06-15 2017-03-14 Borealis Ag Mezcla del reactor in situ de un polipropileno nucleado catalizado por Ziegler-Natta y un polipropileno catalizado por metaloceno
EP2570455A1 (en) 2011-09-16 2013-03-20 Borealis AG Polyethylene composition with broad molecular weight distribution and improved homogeneity
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EP2599828A1 (en) 2011-12-01 2013-06-05 Borealis AG Multimodal polyethylene composition for the production of pipes with improved slow crack growth resistance
EP2617741B1 (en) 2012-01-18 2016-01-13 Borealis AG Process for polymerizing olefin polymers in the presence of a catalyst system and a method of controlling the process
ES2604934T3 (es) 2012-11-09 2017-03-10 Abu Dhabi Polymers Company Limited (Borouge) Composición polimérica que comprende una mezcla de un polietileno multimodal y un polímero de etileno adicional adecuado para la fabricación de un tubo de riego por goteo
ES2613070T3 (es) 2012-11-09 2017-05-22 Abu Dhabi Polymers Company Limited (Borouge) Tubería de riego por goteo que comprende una composición polimérica que comprende una resina base de polietileno multimodal
EP2740761B1 (en) 2012-12-05 2016-10-19 Borealis AG Polyethylene composition with improved balance of slow crack growth resistance, impact performance and pipe pressure resistance for pipe applications
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EP2796501B9 (en) 2013-04-22 2019-05-01 Abu Dhabi Polymers Company Limited (Borouge) Multimodal polypropylene composition for pipe applications
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PL2796498T3 (pl) 2013-04-22 2019-03-29 Abu Dhabi Polymers Company Limited (Borouge) Multimodalna kompozycja polipropylenowa do zastosowania w rurach
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CN106715067A (zh) 2014-12-08 2017-05-24 博里利斯股份公司 丙烯共聚物粒料的制备方法
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CA2974878C (en) 2015-02-20 2019-08-20 Borealis Ag Process for producing heterophasic copolymers of propylene
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EP3238938A1 (en) 2016-04-29 2017-11-01 Borealis AG Machine direction oriented films comprising multimodal copolymer of ethylene and at least two alpha-olefin comonomers
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PL3252085T3 (pl) 2016-05-31 2023-02-13 Borealis Ag Pancerz o polepszonych właściwościach
CN109415544B (zh) 2016-05-31 2022-07-05 博里利斯股份公司 聚合物组合物以及用于生产该聚合物组合物的方法
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RU2019117039A (ru) 2016-11-25 2020-12-25 Бореалис Аг Способ получения полиолефиновой композиции для пленки и полученные из нее пленки
WO2018095772A2 (en) 2016-11-25 2018-05-31 Borealis Ag New composition and process
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EP3887410A1 (en) 2018-11-28 2021-10-06 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. Polyethylene composition for film applications
WO2020136164A1 (en) 2018-12-28 2020-07-02 Borealis Ag A process for producing polyolefin film composition and films prepared thereof
WO2020136165A1 (en) 2018-12-28 2020-07-02 Borealis Ag A process for producing polyolefin film composition and films prepared thereof
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WO2021045889A1 (en) 2019-09-05 2021-03-11 Exxonmobil Chemical Patents Inc. Processes for producing polyolefins and impact copolymers with broad molecular weight distribution and high stiffness
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CN117480191A (zh) 2021-06-11 2024-01-30 博里利斯股份公司 一种生产多峰乙烯聚合物的方法以及由其制备的薄膜
US11845814B2 (en) 2022-02-01 2023-12-19 Chevron Phillips Chemical Company Lp Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
WO2024025741A1 (en) 2022-07-27 2024-02-01 Exxonmobil Chemical Patents Inc. Polypropylene compositions with enhanced strain hardening and methods of producing same
EP4344869A1 (en) 2022-09-30 2024-04-03 Borealis AG Multimodal ethylene copolymer composition and films comprising the same
WO2024083689A1 (en) 2022-10-18 2024-04-25 Borealis Ag Multilayer film
EP4389820A1 (en) 2022-12-21 2024-06-26 Borealis AG Polypropylene random copolymer compositions with improved impact resistance for pipe applications
EP4403598A1 (en) 2023-01-23 2024-07-24 Borealis AG Polymer composition comprising recycled low density polyethylene for packaging applications

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI55123C (fi) * 1972-04-19 1979-06-11 Ja Ro Ab Oy Anordning foer dispergering av ett medium i ett annat medium
FI55451C (fi) * 1973-08-29 1979-08-10 Ja Ro Ab Oy Anordning foer dispergering av ett medium i ett annat medium
US4188132A (en) * 1977-07-21 1980-02-12 Basf Aktiengesellschaft Spiral stirrer unsupported at one end
US4366123A (en) * 1981-09-21 1982-12-28 Mitsui Petrochemical Industries Ltd. Anchor agitator for gaseous phase polymerization vessel

Also Published As

Publication number Publication date
CN1036053C (zh) 1997-10-08
CA2166486A1 (en) 1995-01-19
EP0707513B1 (en) 1998-09-30
DE69413690D1 (de) 1998-11-05
US5616662A (en) 1997-04-01
WO1995001831A1 (en) 1995-01-19
NO960035D0 (no) 1996-01-04
CN1126447A (zh) 1996-07-10
FI96745C (fi) 1996-08-26
FI933073A0 (fi) 1993-07-05
CA2166486C (en) 2005-09-13
BR9406922A (pt) 1996-07-30
EP0707513A1 (en) 1996-04-24
FI933073A (fi) 1995-01-06
NO960035L (no) 1996-01-04
FI96745B (fi) 1996-05-15
DE69413690T2 (de) 1999-02-25

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