BRPI0922454A2 - método para tratamento de leito de semente para uma reação de polimerização - Google Patents

método para tratamento de leito de semente para uma reação de polimerização

Info

Publication number
BRPI0922454A2
BRPI0922454A2 BRPI0922454A BRPI0922454A BRPI0922454A2 BR PI0922454 A2 BRPI0922454 A2 BR PI0922454A2 BR PI0922454 A BRPI0922454 A BR PI0922454A BR PI0922454 A BRPI0922454 A BR PI0922454A BR PI0922454 A2 BRPI0922454 A2 BR PI0922454A2
Authority
BR
Brazil
Prior art keywords
polymerization reaction
treatment method
seedbed treatment
seedbed
polymerization
Prior art date
Application number
BRPI0922454A
Other languages
English (en)
Inventor
A Yahn David
David Hussein F
G Goode Mark
E Muhle Michael
O Hagerty Roberto
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 BRPI0922454A2 publication Critical patent/BRPI0922454A2/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
    • C08F10/02—Ethene
    • 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
    • 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
    • Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
BRPI0922454A 2008-12-18 2009-12-17 método para tratamento de leito de semente para uma reação de polimerização BRPI0922454A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20306408P 2008-12-18 2008-12-18
PCT/US2009/068439 WO2010071798A1 (en) 2008-12-18 2009-12-17 Method for seed bed treatment for a polymerization reaction

Publications (1)

Publication Number Publication Date
BRPI0922454A2 true BRPI0922454A2 (pt) 2018-05-22

Family

ID=41557758

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0922454A BRPI0922454A2 (pt) 2008-12-18 2009-12-17 método para tratamento de leito de semente para uma reação de polimerização

Country Status (7)

Country Link
US (1) US8148481B2 (pt)
EP (1) EP2358767B1 (pt)
CN (1) CN102257017B (pt)
BR (1) BRPI0922454A2 (pt)
ES (1) ES2408589T3 (pt)
RU (1) RU2515900C2 (pt)
WO (1) WO2010071798A1 (pt)

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CN102453156B (zh) * 2010-10-22 2013-11-20 中国石油化工股份有限公司 在气相流化床反应器内快速启动α-烯烃聚合反应的方法
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WO2014095624A1 (en) 2012-12-18 2014-06-26 Ineos Europe Ag Process for stopping and restarting polymerisation
EP3044237B1 (en) 2013-09-10 2018-02-21 Ineos Europe AG Process for the (co-)polymerisation of olefins
CN104459024B (zh) * 2013-09-13 2016-07-06 中国石油天然气股份有限公司 一种评价铬系催化剂活性的方法
US10471405B2 (en) * 2015-03-24 2019-11-12 Sabic Global Technologies B.V. Continuous gas fluidized bed polymerization process
WO2019173030A1 (en) * 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
EP4247534A1 (en) * 2020-11-17 2023-09-27 ExxonMobil Chemical Patents Inc. Gas phase reactor startup process
CN114621368B (zh) * 2020-12-10 2023-11-28 中国石油天然气股份有限公司 乙烯气相聚合牌号切换剂及其制备方法
US20240254264A1 (en) * 2021-05-18 2024-08-01 Basell Polyolefine Gmbh Process for preparing an olefin polymer comprising withdrawing a gaseous sample for analyzing
CN119775459A (zh) * 2023-10-08 2025-04-08 中国石油化工股份有限公司 减少烯烃聚合中聚合物结块的方法

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EP2358767A1 (en) 2011-08-24
CN102257017B (zh) 2014-02-12
RU2011129234A (ru) 2013-01-27
US20110294973A1 (en) 2011-12-01
RU2515900C2 (ru) 2014-05-20
ES2408589T3 (es) 2013-06-21
CN102257017A (zh) 2011-11-23
EP2358767B1 (en) 2013-02-20

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