FI906024A0 - Foerfarande foer att minska uppbyggnad av polymer i vaermevaexlare under polymerisation av alfa-olefiner. - Google Patents

Foerfarande foer att minska uppbyggnad av polymer i vaermevaexlare under polymerisation av alfa-olefiner.

Info

Publication number
FI906024A0
FI906024A0 FI906024A FI906024A FI906024A0 FI 906024 A0 FI906024 A0 FI 906024A0 FI 906024 A FI906024 A FI 906024A FI 906024 A FI906024 A FI 906024A FI 906024 A0 FI906024 A0 FI 906024A0
Authority
FI
Finland
Prior art keywords
uppbyggnad
vaermevaexlare
olefiner
alfa
polymer
Prior art date
Application number
FI906024A
Other languages
English (en)
Other versions
FI906024A (fi
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.)
Filing date
Publication date
Application filed by Union Carbide Chem Plastic filed Critical Union Carbide Chem Plastic
Publication of FI906024A0 publication Critical patent/FI906024A0/fi
Publication of FI906024A publication Critical patent/FI906024A/fi

Links

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
FI906024A 1989-12-07 1990-12-05 Foerfarande foer att minska uppbyggnad av polymer i vaermevaexlare under polymerisation av alfa-olefiner. FI906024A (fi)

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 (2)

Publication Number Publication Date
FI906024A0 true FI906024A0 (fi) 1990-12-05
FI906024A FI906024A (fi) 1991-06-08

Family

ID=23774801

Family Applications (1)

Application Number Title Priority Date Filing Date
FI906024A FI906024A (fi) 1989-12-07 1990-12-05 Foerfarande foer att minska uppbyggnad av polymer i vaermevaexlare under polymerisation av alfa-olefiner.

Country Status (19)

Country Link
US (1) US5037905A (fi)
EP (1) EP0431626B1 (fi)
JP (1) JP2512344B2 (fi)
KR (1) KR950008719B1 (fi)
CN (1) CN1029619C (fi)
AR (1) AR244706A1 (fi)
AT (1) ATE121425T1 (fi)
AU (1) AU625791B2 (fi)
BR (1) BR9006060A (fi)
CA (1) CA2031699C (fi)
DE (1) DE69018785T2 (fi)
DK (1) DK0431626T3 (fi)
ES (1) ES2070983T3 (fi)
FI (1) FI906024A (fi)
GR (1) GR3015906T3 (fi)
HU (1) HUT57799A (fi)
MY (1) MY104558A (fi)
PT (1) PT96105A (fi)
ZA (1) ZA909812B (fi)

Families Citing this family (23)

* 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
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
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
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
EP1645569A4 (en) * 2003-07-15 2008-01-16 Mitsui Chemicals Inc METHOD FOR PREVENTING FOULING IN HEAT EXCHANGERS
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
TW200613325A (en) * 2004-05-20 2006-05-01 Exxonmobil Chemical Patents Inc 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
MX2009002494A (es) * 2006-09-07 2009-05-22 Univation Tech Llc Metodos para determinar el valor de temperatura indicativo de pegajosidad de resina a partir de datos generados por monitoreo de la reaccion de polimerizacion.
CN101511882B (zh) * 2006-09-07 2011-09-21 尤尼威蒂恩技术有限责任公司 使用降低熔融起始温度的模型在线测定树脂粘着性程度的方法
EP2330135B1 (en) * 2009-12-02 2012-11-07 Borealis AG Process for producing polyolefins
RU2692265C2 (ru) 2015-03-25 2019-06-24 Базелл Полиолефин Гмбх Способы непрерывной газофазной полимеризации
SG11201908217SA (en) 2017-03-09 2019-10-30 Exxonmobil Chemical Patents Inc Process for producing polyethylene polymers
KR102421977B1 (ko) 2018-12-19 2022-07-18 주식회사 엘지화학 방향족 비닐 화합물-비닐시안 화합물 중합체의 제조방법 및 제조장치
EP3868793A1 (en) * 2020-02-24 2021-08-25 Borealis AG Process for producing alpha-olefin polymers in a multistage polymerization process

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 (en) * 1987-03-14 1997-10-22 Mitsubishi Kasei Corporation Method for producing a propylene-alpha-olefin block copolymer
MY105197A (en) * 1988-05-12 1994-08-30 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

Also Published As

Publication number Publication date
ZA909812B (en) 1991-10-30
PT96105A (pt) 1991-09-30
AU625791B2 (en) 1992-07-16
ATE121425T1 (de) 1995-05-15
GR3015906T3 (en) 1995-07-31
KR910011923A (ko) 1991-08-07
BR9006060A (pt) 1991-09-24
KR950008719B1 (ko) 1995-08-04
ES2070983T3 (es) 1995-06-16
EP0431626A1 (en) 1991-06-12
HUT57799A (en) 1991-12-30
CA2031699C (en) 1996-12-24
EP0431626B1 (en) 1995-04-19
MY104558A (en) 1994-04-30
AU6778590A (en) 1991-06-13
US5037905A (en) 1991-08-06
CN1029619C (zh) 1995-08-30
JP2512344B2 (ja) 1996-07-03
FI906024A (fi) 1991-06-08
CN1054602A (zh) 1991-09-18
AR244706A1 (es) 1993-11-30
HU908100D0 (en) 1991-06-28
CA2031699A1 (en) 1991-06-08
DE69018785T2 (de) 1995-08-24
DE69018785D1 (de) 1995-05-24
JPH0413703A (ja) 1992-01-17
DK0431626T3 (da) 1995-05-08

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Legal Events

Date Code Title Description
FD Application lapsed
MM Patent lapsed

Owner name: UNION CARBIDE CHEMICAL & PLASTICS