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BR112018004470A2 - processo para produzir polímeros à base de etileno com contagens de gel reduzidas e baixa incrustação de reator - Google Patents

processo para produzir polímeros à base de etileno com contagens de gel reduzidas e baixa incrustação de reator

Info

Publication number
BR112018004470A2
BR112018004470A2 BR112018004470A BR112018004470A BR112018004470A2 BR 112018004470 A2 BR112018004470 A2 BR 112018004470A2 BR 112018004470 A BR112018004470 A BR 112018004470A BR 112018004470 A BR112018004470 A BR 112018004470A BR 112018004470 A2 BR112018004470 A2 BR 112018004470A2
Authority
BR
Brazil
Prior art keywords
ethylene
based polymers
producing ethylene
reduced gel
low reactor
Prior art date
Application number
BR112018004470A
Other languages
English (en)
Other versions
BR112018004470B1 (pt
Inventor
F J Den Doelder Cornelis
Siebdrat Juergen
Dang Nhi
Berbee Otto
Hinrichs Stefan
Original Assignee
Dow Global Technologies 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 Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of BR112018004470A2 publication Critical patent/BR112018004470A2/pt
Publication of BR112018004470B1 publication Critical patent/BR112018004470B1/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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—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
    • 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
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • 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
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/02—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
    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/08—Low density, i.e. < 0.91 g/cm3
    • 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
    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/09—Long chain branches
    • 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
    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/12—Melt flow index or melt flow ratio
    • 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
    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/18—Bulk density
    • 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
    • C08F4/28—Oxygen or compounds releasing free oxygen
    • C08F4/32—Organic compounds
    • C08F4/34—Per-compounds with one peroxy-radical
    • 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
    • C08F4/28—Oxygen or compounds releasing free oxygen
    • C08F4/32—Organic compounds
    • C08F4/36—Per-compounds with more than one peroxy radical
    • 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
    • C08F4/28—Oxygen or compounds releasing free oxygen
    • C08F4/32—Organic compounds
    • C08F4/38—Mixtures of peroxy-compounds
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

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

Abstract

polímero à base de etileno é preparado por um processo que compreende polimerizar uma mistura de reação compreendendo etileno e pelo menos um sistema de agente de transferência de cadeia; em que a polimerização ocorre na presença de pelo menos um iniciador de radicais livres; e em que a polimerização ocorre numa configuração de reator compreendendo pelo menos um reator tubular com pelo menos três zonas de reação; e em que pelo menos duas zonas de reação recebem uma alimentação de etileno; e em que o grau de polimerização na primeira zona de reação é menor ou igual a (5/lcbf)*3150; e em que o polímero à base de etileno formado pelo processo compreende as seguintes propriedades: (a) lcbf (4,7 + 0,5*log(i2)); e (b) i2 de 0,2 a 25 dg/min.
BR112018004470-9A 2015-09-28 2016-09-20 Processo para formar um polímero à base de etileno BR112018004470B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562233523P 2015-09-28 2015-09-28
US62/233,523 2015-09-28
PCT/US2016/052620 WO2017058570A1 (en) 2015-09-28 2016-09-20 Process for producing ethylene-based polymers with reduced gel counts and low reactor fouling

Publications (2)

Publication Number Publication Date
BR112018004470A2 true BR112018004470A2 (pt) 2018-09-25
BR112018004470B1 BR112018004470B1 (pt) 2022-06-07

Family

ID=57047333

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018004470-9A BR112018004470B1 (pt) 2015-09-28 2016-09-20 Processo para formar um polímero à base de etileno

Country Status (8)

Country Link
US (1) US10435489B2 (pt)
EP (1) EP3356422B1 (pt)
JP (1) JP6823647B2 (pt)
KR (1) KR102699315B1 (pt)
CN (1) CN108026189B (pt)
BR (1) BR112018004470B1 (pt)
ES (1) ES2836438T3 (pt)
WO (1) WO2017058570A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016109266A1 (en) 2014-12-30 2016-07-07 Dow Global Technologies Llc Process to control output and quality of ethylene-based polymer formed by high pressure free radical polymerization
US10400046B2 (en) 2015-06-25 2019-09-03 Joseph J. Matsko Portable powered paint system
EP3168237A1 (en) 2015-11-10 2017-05-17 Dow Global Technologies LLC High pressure, free radical polymerizations to produce ethylene-based polymers
EP3168238A1 (en) 2015-11-10 2017-05-17 Dow Global Technologies LLC Ethylene-based polymers formed by high pressure free radical polymerizations
WO2018218470A1 (en) 2017-05-29 2018-12-06 Dow Global Technologies Llc Thermoplastic polyolefin compositions useful for aldehyde abatement
KR102572993B1 (ko) 2017-06-28 2023-09-01 다우 글로벌 테크놀로지스 엘엘씨 에틸렌계 중합체를 제조하기 위한 고압 자유 라디칼 중합
JP7189927B2 (ja) 2017-07-28 2022-12-14 ダウ グローバル テクノロジーズ エルエルシー 低速押出コーティング操作のための低密度エチレン系ポリマー
CN108329414B (zh) * 2018-01-25 2021-03-23 国家能源投资集团有限责任公司 高压低密度聚乙烯装置的反应器粘壁的预防方法
KR102581351B1 (ko) * 2018-11-05 2023-09-20 주식회사 엘지화학 폴리에틸렌 수지의 물성 예측 방법 및 폴리에틸렌 수지의 제조 방법
KR102676757B1 (ko) * 2018-12-21 2024-06-18 주식회사 엘지화학 폴리에틸렌 수지의 물성 예측 방법 및 폴리에틸렌 수지의 제조 방법
KR20220041310A (ko) * 2020-09-25 2022-04-01 에스케이이노베이션 주식회사 에틸렌-아크릴산 공중합체 제조 공정의 용매 세척방법
US20240059876A1 (en) 2021-02-19 2024-02-22 Dow Global Technologies Llc Modified low density polyethylene resins and method for making the same
WO2025072154A1 (en) * 2023-09-29 2025-04-03 Dow Global Technologies Llc Processes for polymerizing ethylene

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE607527A (pt) 1960-08-29 1900-01-01
US3917577A (en) 1968-09-20 1975-11-04 Basf Ag Continuous production of ethylene homopolymers
DD276598A3 (de) 1988-04-12 1990-03-07 Leuna Werke Veb Verfahren zur einstellung und regelung der einsatzgasstroeme fuer mehrzonenrohrreaktoren
EP1263812B1 (de) 2000-03-16 2004-07-14 Basell Polyolefine GmbH Verfahren zur herstellung von polyethylen
JP5037776B2 (ja) 2000-08-15 2012-10-03 アクゾ ノーベル ナムローゼ フェンノートシャップ ハイソリッドアクリル、スチレンおよびｌｄｐｅ型樹脂の製造法におけるトリオキセパンの使用
CN101253202A (zh) * 2005-08-05 2008-08-27 埃克森美孚化学专利公司 乙烯聚合物和共聚物的制造方法和装置
CA2730363C (en) * 2008-07-10 2014-11-18 Annika Smedberg Process for producing a polymer and a polymer for wire and cable applications
EP2331590B1 (en) 2008-10-07 2016-04-20 Dow Global Technologies LLC High pressure low density polyethylene resins with improved optical properties produced through the use of highly active chain transfer agents
US9243087B2 (en) * 2009-06-11 2016-01-26 Dow Global Technologies Llc LDPE enabling high output and good optics when blended with other polymers
WO2012117039A1 (en) 2011-03-03 2012-09-07 Basell Polyolefine Gmbh Process for preparing ethylene homopolymers or copolymers in a tubular reactor with at least two reaction zones having different concentrations of chain transfer agent
EP3243849B1 (en) * 2011-10-19 2020-11-25 Dow Global Technologies LLC Polymerization processes with fresh ethylene distributions for preparation of low density ethylene-based polymers
JP6302412B2 (ja) * 2011-11-23 2018-03-28 ダウ グローバル テクノロジーズ エルエルシー 広い分子量分布を持ち、抽出可能性の低い低密度のエチレン系ポリマー
US8889794B2 (en) * 2011-12-27 2014-11-18 Dow Global Technologies Llc Resin compositions for extrusion coating
US9944733B2 (en) * 2013-12-26 2018-04-17 Dow Global Technologies Llc Ethylene-based polymers formed using asymmetrical polyenes
EP3168238A1 (en) * 2015-11-10 2017-05-17 Dow Global Technologies LLC Ethylene-based polymers formed by high pressure free radical polymerizations

Also Published As

Publication number Publication date
EP3356422B1 (en) 2020-10-28
JP2018528304A (ja) 2018-09-27
WO2017058570A1 (en) 2017-04-06
US10435489B2 (en) 2019-10-08
CN108026189B (zh) 2020-07-24
KR102699315B1 (ko) 2024-08-30
BR112018004470B1 (pt) 2022-06-07
KR20180061233A (ko) 2018-06-07
WO2017058570A9 (en) 2018-03-15
US20180265611A1 (en) 2018-09-20
JP6823647B2 (ja) 2021-02-03
CN108026189A (zh) 2018-05-11
EP3356422A1 (en) 2018-08-08
ES2836438T3 (es) 2021-06-25

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Legal Events

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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