BR112012020762A2 - métodos para operação de um reator de polimerização. - Google Patents

métodos para operação de um reator de polimerização.

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Publication number
BR112012020762A2
BR112012020762A2 BR112012020762A BR112012020762A BR112012020762A2 BR 112012020762 A2 BR112012020762 A2 BR 112012020762A2 BR 112012020762 A BR112012020762 A BR 112012020762A BR 112012020762 A BR112012020762 A BR 112012020762A BR 112012020762 A2 BR112012020762 A2 BR 112012020762A2
Authority
BR
Brazil
Prior art keywords
reactor
polymerization
operating
methods
stopping
Prior art date
Application number
BR112012020762A
Other languages
English (en)
Other versions
BR112012020762B1 (pt
Inventor
Eric J Markel
Jerome Holveck
Michael E Sieloff
Robert O Hagerty
Richard B Pannell
Original Assignee
Univation Tech Llc
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 Univation Tech Llc filed Critical Univation Tech Llc
Publication of BR112012020762A2 publication Critical patent/BR112012020762A2/pt
Publication of BR112012020762B1 publication Critical patent/BR112012020762B1/pt

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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • 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
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring

Abstract

métodos para operação de um reator de polimerização. a presente invenção refere-se a métodos para paralisação e reinício da polimerização em um reator de polimerização de fase gasosa são fornecidos. o método pode incluir introduzir um neutralizador de polimerização no reator em uma quantidade suficiente para parar a polimerização nele. o método pode também incluir parar a recuperação de um produto de polímero do reator e parar a introdução de um suprimento de catalisador e um suprimento do reator no reator. o método pode também incluir ajustar a pressão dentro do reator de uma pressão de operação para uma pressão de inatividade. o método pode também incluir ajustar a velocidade superficial de um fluido do ciclo através do reator de uma velocidade superficial de operação para uma velocidade superficial de inatividade. o método pode também incluir manter o reator em um estado inativo por um período de tempo.
BR112012020762A 2010-02-18 2011-02-17 método para inativar um reator de polimerização de fase gasosa BR112012020762B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30562310P 2010-02-18 2010-02-18
PCT/US2011/025231 WO2011103280A1 (en) 2010-02-18 2011-02-17 Methods for operating a polymerization reactor

Publications (2)

Publication Number Publication Date
BR112012020762A2 true BR112012020762A2 (pt) 2016-05-03
BR112012020762B1 BR112012020762B1 (pt) 2020-04-07

Family

ID=43877184

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012020762A BR112012020762B1 (pt) 2010-02-18 2011-02-17 método para inativar um reator de polimerização de fase gasosa

Country Status (8)

Country Link
US (1) US8598283B2 (pt)
EP (1) EP2536767B1 (pt)
CN (1) CN102803308B (pt)
BR (1) BR112012020762B1 (pt)
ES (1) ES2543635T3 (pt)
MY (1) MY159256A (pt)
RU (1) RU2554881C2 (pt)
WO (1) WO2011103280A1 (pt)

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BR112012020762B1 (pt) 2020-04-07
EP2536767B1 (en) 2015-05-06
RU2012139650A (ru) 2014-03-27
MY159256A (en) 2016-12-30
RU2554881C2 (ru) 2015-06-27
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WO2011103280A1 (en) 2011-08-25
CN102803308B (zh) 2015-04-01

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