ATE121425T1 - Verfahren zur unterdrückung der bildung von polymerkrusten in wärmetauschern während der polymerisation von alpha-olefinen. - Google Patents

Verfahren zur unterdrückung der bildung von polymerkrusten in wärmetauschern während der polymerisation von alpha-olefinen.

Info

Publication number: ATE121425T1
Authority: AT; Austria
Prior art keywords: olefins; alpha; suppressing; polymerization; formation
Prior art date: 1989-12-07

Application number

AT90123464T

Other languages

English (en)

Inventor

Weldon Clifford Cummings

Reginald Walter Geck

Fathi David Hussein

Original Assignee

Union Carbide Chem Plastic

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.)

1989-12-07

Filing date

1990-12-06

Publication date

1995-05-15

1990-12-06 Application filed by Union Carbide Chem Plastic filed Critical Union Carbide Chem Plastic

1995-05-15 Application granted granted Critical

1995-05-15 Publication of ATE121425T1 publication Critical patent/ATE121425T1/de

Links

230000015572 biosynthetic process Effects 0.000 title 1
238000000034 method Methods 0.000 title 1
229920000642 polymer Polymers 0.000 title 1
238000006116 polymerization reaction Methods 0.000 title 1
239000004711 α-olefin Substances 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/34—Polymerisation in gaseous state
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- 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
- B01J8/26—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 two or more fluidised beds, e.g. reactor and regeneration installations
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
- C08F2/007—Scale prevention in the auxiliary parts
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
- 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)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Engineering & Computer Science (AREA)
Combustion & Propulsion (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Polymerisation Methods In General (AREA)
Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

AT90123464T 1989-12-07 1990-12-06 Verfahren zur unterdrückung der bildung von polymerkrusten in wärmetauschern während der polymerisation von alpha-olefinen. ATE121425T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/447,049 US5037905A (en)	1989-12-07	1989-12-07	Process for reducing polymer build-up in heat exchangers during polymerization of alpha-olefins

Publications (1)

Publication Number	Publication Date
ATE121425T1 true ATE121425T1 (de)	1995-05-15

Family

ID=23774801

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT90123464T ATE121425T1 (de)	1989-12-07	1990-12-06	Verfahren zur unterdrückung der bildung von polymerkrusten in wärmetauschern während der polymerisation von alpha-olefinen.

Country Status (19)

Country	Link
US (1)	US5037905A (de)
EP (1)	EP0431626B1 (de)
JP (1)	JP2512344B2 (de)
KR (1)	KR950008719B1 (de)
CN (1)	CN1029619C (de)
AR (1)	AR244706A1 (de)
AT (1)	ATE121425T1 (de)
AU (1)	AU625791B2 (de)
BR (1)	BR9006060A (de)
CA (1)	CA2031699C (de)
DE (1)	DE69018785T2 (de)
DK (1)	DK0431626T3 (de)
ES (1)	ES2070983T3 (de)
FI (1)	FI906024L (de)
GR (1)	GR3015906T3 (de)
HU (1)	HUT57799A (de)
MY (1)	MY104558A (de)
PT (1)	PT96105A (de)
ZA (1)	ZA909812B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5194526A (en) *	1992-07-30	1993-03-16	Union Carbide Chemicals & Plastics Technology Corporation	Process for producing sticky polymers
US5200502A (en) *	1992-08-26	1993-04-06	Union Carbide Chemicals & Plastics Technology Corporation	Deactivator reagent for olefin polymerization catalysts
US5733988A (en) *	1994-06-29	1998-03-31	Union Carbide Chemicals & Plastics Technology Corporation	Process for reducing polymer build-up in recycle lines and heat exchangers during polymerizations employing butadiene, isoprene, and/or styrene
US5625012A (en) *	1994-06-29	1997-04-29	Union Carbide Chemicals & Plastics Technology Corporation	Process for reducing polymer build-up in recycle lines and heat exchangers during polymerization of alpha olefins
US6124230A (en) *	1995-07-13	2000-09-26	Exxon Chemical Patents, Inc.	Polymerization catalyst systems, their production and use
US6140432A (en) *	1995-07-13	2000-10-31	Exxon Chemical Patents Inc.	Polymerization catalyst systems, their production and use
USH1722H (en) *	1995-05-05	1998-04-07	Goode; Mark Gregory	Process for producing polypropylene impact block copolymers
DE19800020A1 (de) *	1998-01-05	1999-07-08	Basf Ag	Kontinuierliches Gasphasenpolymerisationsverfahren
US6201076B1 (en)	1999-04-29	2001-03-13	Equistar Chemicals, L.P.	Olefin polymerization process with fatty amine additives for improved activity and reduced fouling
FI991015A0 (fi)	1999-05-04	1999-05-04	Borealis As	Menetelmä alfa-olefiinipolymeerien valmistamiseksi
US6884749B2 (en)	2002-10-17	2005-04-26	Equistar Chemicals L.P.	Supported catalysts which reduce sheeting in olefin polymerization, process for the preparation and the use thereof
US7332070B2 (en) *	2003-07-15	2008-02-19	Mitsui Chemicals, Inc.	Method of preventing heat exchanger fouling
US7754830B2 (en)	2004-05-20	2010-07-13	Univation Technologies, Llc	Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events
AU2005245921B2 (en) *	2004-05-20	2007-11-15	Univation Technologies, Llc	Gas olefin polymerization process
US7683140B2 (en)	2004-05-20	2010-03-23	Univation Technologies, Llc	Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring
US7253239B2 (en) *	2004-10-29	2007-08-07	Westlake Longview Corporation	Method for preventing or inhibiting fouling in a gas-phase polyolefin polymerization process
CN101511877B (zh) *	2006-09-07	2012-09-05	尤尼威蒂恩技术有限责任公司	由聚合反应监测产生的数据确定指示树脂粘附的温度值的方法
ES2405556T3 (es) *	2006-09-07	2013-05-31	Univation Technologies, Llc	Métodos para determinación en línea del grado de pegajosidad de una resina utilizando un modelo para depresión de la temperatura de iniciación de la fusión
EP2330135B1 (de) *	2009-12-02	2012-11-07	Borealis AG	Verfahren zur Herstellung von Polyolefinen
EP3137516B1 (de)	2015-03-25	2018-04-25	Basell Polyolefine GmbH	Polymerisationsverfahren mit kontinuierlicher gasphase
EP3592780B1 (de)	2017-03-09	2025-07-23	ExxonMobil Chemical Patents Inc.	Verfahren zur herstellung von polyethylen
KR102421977B1 (ko)	2018-12-19	2022-07-18	주식회사 엘지화학	방향족 비닐 화합물-비닐시안 화합물 중합체의 제조방법 및 제조장치
EP3868793B1 (de)	2020-02-24	2026-01-07	Borealis GmbH	Verfahren zur herstellung von alpha-olefinpolymeren in einem mehrstufigen polymerisationsverfahren
EP4631613A1 (de) *	2024-04-11	2025-10-15	Lummus Novolen Technology GmbH	Verfahren und system zur übertragung von polymerpartikeln zwischen in reihe angeordneten polymerisationszonen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5611908A (en) *	1979-07-11	1981-02-05	Mitsui Petrochem Ind Ltd	Preparation of olefin polymer
US4675368A (en) *	1982-10-04	1987-06-23	Solvay & Cie.	Process for inhibiting crust formation in reactors during alpha-olefin prepolymerization modification of Ziegler catalyst
US4520163A (en) *	1984-01-09	1985-05-28	Shell Oil Company	Process of sequentially copolymerizing propylene-ethylene copolymers and catalyst therefor
US4981929A (en) *	1986-06-23	1991-01-01	Union Carbide Chemicals And Plastics Company, Inc.	Catalyst productivity in the polymerization of olefins
EP0282929B2 (de) *	1987-03-14	1997-10-22	Mitsubishi Kasei Corporation	Verfahren zur Herstellung eines Propylen-alpha-Olefin-Blockkopolymers
ZA893526B (en) *	1988-05-12	1990-01-31	Union Carbide Corp	Process for the preparation of random copolymers
US4956427A (en) *	1988-12-23	1990-09-11	Union Carbide Chemicals And Plastics Company Inc.	Process for reducing polymer build-up in polymerization equipment during polymerization of alpha-olefins

1989
- 1989-12-07 US US07/447,049 patent/US5037905A/en not_active Expired - Lifetime
1990
- 1990-11-29 BR BR909006060A patent/BR9006060A/pt not_active IP Right Cessation
- 1990-12-05 FI FI906024A patent/FI906024L/fi not_active IP Right Cessation
- 1990-12-06 AT AT90123464T patent/ATE121425T1/de not_active IP Right Cessation
- 1990-12-06 KR KR1019900019984A patent/KR950008719B1/ko not_active Expired - Fee Related
- 1990-12-06 CA CA002031699A patent/CA2031699C/en not_active Expired - Fee Related
- 1990-12-06 CN CN90110405A patent/CN1029619C/zh not_active Expired - Fee Related
- 1990-12-06 ZA ZA909812A patent/ZA909812B/xx unknown
- 1990-12-06 HU HU908100A patent/HUT57799A/hu unknown
- 1990-12-06 ES ES90123464T patent/ES2070983T3/es not_active Expired - Lifetime
- 1990-12-06 JP JP2405352A patent/JP2512344B2/ja not_active Expired - Lifetime
- 1990-12-06 DE DE69018785T patent/DE69018785T2/de not_active Expired - Lifetime
- 1990-12-06 MY MYPI90002147A patent/MY104558A/en unknown
- 1990-12-06 DK DK90123464.1T patent/DK0431626T3/da active
- 1990-12-06 PT PT96105A patent/PT96105A/pt not_active Application Discontinuation
- 1990-12-06 AR AR90318548A patent/AR244706A1/es active
- 1990-12-06 EP EP90123464A patent/EP0431626B1/de not_active Expired - Lifetime
- 1990-12-06 AU AU67785/90A patent/AU625791B2/en not_active Ceased
1995
- 1995-04-20 GR GR950400886T patent/GR3015906T3/el unknown

Also Published As

Publication number	Publication date
ES2070983T3 (es)	1995-06-16
JP2512344B2 (ja)	1996-07-03
FI906024A0 (fi)	1990-12-05
DE69018785T2 (de)	1995-08-24
FI906024A7 (fi)	1991-06-08
AU6778590A (en)	1991-06-13
JPH0413703A (ja)	1992-01-17
KR950008719B1 (ko)	1995-08-04
CA2031699A1 (en)	1991-06-08
AR244706A1 (es)	1993-11-30
HU908100D0 (en)	1991-06-28
KR910011923A (ko)	1991-08-07
HUT57799A (en)	1991-12-30
CN1054602A (zh)	1991-09-18
US5037905A (en)	1991-08-06
ZA909812B (en)	1991-10-30
CA2031699C (en)	1996-12-24
CN1029619C (zh)	1995-08-30
PT96105A (pt)	1991-09-30
MY104558A (en)	1994-04-30
FI906024L (fi)	1991-06-08
EP0431626A1 (de)	1991-06-12
DK0431626T3 (da)	1995-05-08
AU625791B2 (en)	1992-07-16
EP0431626B1 (de)	1995-04-19
GR3015906T3 (en)	1995-07-31
BR9006060A (pt)	1991-09-24
DE69018785D1 (de)	1995-05-24

Legal Events

Date	Code	Title	Description
1995-10-15	UEP	Publication of translation of european patent specification
2000-09-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
ATE121425T1 (de)	1995-05-15	Verfahren zur unterdrückung der bildung von polymerkrusten in wärmetauschern während der polymerisation von alpha-olefinen.
DE3767469D1 (de)	1991-02-21	Verfahren zur polymerisation von aethylen mit einem chromoxid-katalysator.
DE3486145D1 (de)	1993-06-17	Verfahren zur polymerisation und nach diesem verfahren hergestellte polymere.
AT365206B (de)	1981-12-28	Verfahren zur polymerisation von olefinen
AT367433B (de)	1982-07-12	Verfahren zur herstellung von olefinpolymeren oder -copolymeren
DE59303248D1 (de)	1996-08-22	Verfahren zur Herstellung von Blockcopolymeren durch ionische Polymerisation
DE3680961D1 (de)	1991-09-26	Verfahren zum herstellen von gegenstaenden mit unterschiedlicher polymerzusammensetzung.
AT368173B (de)	1982-09-27	Verfahren zur polymerisation von alpha-olefinen
AT351255B (de)	1979-07-10	Verfahren zur polymerisation von alpha-olefinen
DE68921162D1 (de)	1995-03-23	Verfahren zur Unterdrückung der Bildung von Polymerkrusten in einem Polymerisationsreaktor.
DE68917441D1 (de)	1994-09-15	Verfahren zur Unterdrückung der Bildung von Polymerkrusten in Apparaten für die Alpha-Olefinpolymerisation.
DE69009539D1 (de)	1994-07-14	Verfahren zur Unterdrückung der Bildung von Polymerkrusten während der Polymerisation.
AT362933B (de)	1981-06-25	Verfahren zur polymerisation von alpha-olefinen
ATE129255T1 (de)	1995-11-15	Verfahren zur polymerisation von olefinen.
DE68924572D1 (de)	1995-11-23	Verfahren zur Unterdrückung der Bildung von Polymerkrusten.
AT354725B (de)	1979-01-25	Verfahren zur polymerisation von alpha-olefinen
DE3782776D1 (de)	1993-01-07	Verfahren fuer die anionische polymerisation von caprolactam sowie fuer dessen copolymerisation mit anderen lactamen.
DE68919163D1 (de)	1994-12-08	Verfahren zur Unterdrückung der Bildung von Polymerkrusten.
AT360753B (de)	1981-01-26	Verfahren zur polymerisation von dienmonomeren
DE3582344D1 (de)	1991-05-08	Verfahren zur polymerisation von isobutylen.
DE69114387D1 (de)	1995-12-14	Verfahren zur Unterdrückung der Bildung von Polymerkrusten.
DE3683074D1 (de)	1992-02-06	Verfahren zur polymerisation einer monomercharge.
DE69017651D1 (de)	1995-04-13	Verfahren zur Polymerisation von Vinylchlorid.
DE69706014D1 (de)	2001-09-13	Verfahren zur Polymerisation von Hexafluoropropenoxid
DE3481422D1 (de)	1990-04-05	Verfahren zur polymerisation von olefinen.