BR112021025518A2 - Processo para a produção de um copolímero de propileno e unidade de polimerização para produzir um copolímero de propileno - Google Patents

Processo para a produção de um copolímero de propileno e unidade de polimerização para produzir um copolímero de propileno

Info

Publication number
BR112021025518A2
BR112021025518A2 BR112021025518A BR112021025518A BR112021025518A2 BR 112021025518 A2 BR112021025518 A2 BR 112021025518A2 BR 112021025518 A BR112021025518 A BR 112021025518A BR 112021025518 A BR112021025518 A BR 112021025518A BR 112021025518 A2 BR112021025518 A2 BR 112021025518A2
Authority
BR
Brazil
Prior art keywords
stream
propylene copolymer
producing
propylene
passed
Prior art date
Application number
BR112021025518A
Other languages
English (en)
Inventor
Christoph Dissauer
Stefan Bruckbauer
Original Assignee
Borealis Ag
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 Ag filed Critical Borealis Ag
Publication of BR112021025518A2 publication Critical patent/BR112021025518A2/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
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom
    • 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
    • C08F2/001—Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
    • 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
    • C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
    • 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
    • C08F210/04—Monomers containing three or four carbon atoms
    • C08F210/06—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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/005—Removal of residual monomers by physical means from solid polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

processo para a produção de um copolímero de propileno e unidade de polimerização para produzir um copolímero de propileno. é aqui descrito um processo para a produção de um copolímero de propileno em pelo menos um estágio de pré-polimerização, um primeiro e um segundo estágio de reação conectados em série com recuperação de monômero melhorada, em que uma corrente de produto, compreendendo uma mistura de polímero de propileno, propileno não reagido, etileno não reagido e o hidrogênio, se presente, é separado em uma unidade de separação em uma primeira corrente de topo e uma primeira corrente de produto de fundo, em que a mistura de polímero de propileno desejada é recuperada da primeira corrente de produto de fundo. a primeira corrente de topo é pelo menos parcialmente condensada, passada para uma coluna de destilação e separada em uma segunda corrente de topo e uma segunda corrente de produto de fundo. a segunda corrente de topo é pelo menos parcialmente condensada e dividida em três correntes distintas, em que uma corrente de refluxo de destilação é retornada para a coluna de destilação, uma primeira corrente de reciclo é passada para o segundo estágio de reação e uma segunda corrente de reciclo é passada para uma coluna de esgotamento de onde uma terceira corrente de produto de fundo é retirada e pelo menos uma parte dela é passada para um vaso de alimentação de propileno, para o estágio de pré-polimerização, para o primeiro estágio de reação ou para uma combinação dos mesmos. é ainda divulgada uma unidade de polimerização, particularmente adequada para conduzir o processo inventivo.
BR112021025518A 2019-06-24 2020-06-10 Processo para a produção de um copolímero de propileno e unidade de polimerização para produzir um copolímero de propileno BR112021025518A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19182085 2019-06-24
PCT/EP2020/066096 WO2020260021A1 (en) 2019-06-24 2020-06-10 Process for preparing polypropylene with improved recovery

Publications (1)

Publication Number Publication Date
BR112021025518A2 true BR112021025518A2 (pt) 2022-02-01

Family

ID=67003324

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025518A BR112021025518A2 (pt) 2019-06-24 2020-06-10 Processo para a produção de um copolímero de propileno e unidade de polimerização para produzir um copolímero de propileno

Country Status (8)

Country Link
US (1) US20220306774A1 (pt)
EP (1) EP3986608B1 (pt)
CN (1) CN114008089B (pt)
BR (1) BR112021025518A2 (pt)
CA (1) CA3145030C (pt)
ES (1) ES2960940T3 (pt)
TW (1) TW202106729A (pt)
WO (1) WO2020260021A1 (pt)

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Also Published As

Publication number Publication date
EP3986608A1 (en) 2022-04-27
TW202106729A (zh) 2021-02-16
KR20220016141A (ko) 2022-02-08
US20220306774A1 (en) 2022-09-29
ES2960940T3 (es) 2024-03-07
WO2020260021A1 (en) 2020-12-30
EP3986608B1 (en) 2023-08-02
CN114008089A (zh) 2022-02-01
CA3145030A1 (en) 2020-12-30
CN114008089B (zh) 2023-08-29
CA3145030C (en) 2024-02-06

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