SG181754A1 - Polymerization process to make low density polyethylene - Google Patents

Polymerization process to make low density polyethylene Download PDF

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Publication number
SG181754A1
SG181754A1 SG2012044483A SG2012044483A SG181754A1 SG 181754 A1 SG181754 A1 SG 181754A1 SG 2012044483 A SG2012044483 A SG 2012044483A SG 2012044483 A SG2012044483 A SG 2012044483A SG 181754 A1 SG181754 A1 SG 181754A1
Authority
SG
Singapore
Prior art keywords
zone
reactor
ethylene
cta
polymer
Prior art date
Application number
SG2012044483A
Other languages
English (en)
Inventor
Otto J Berbee
Doelder Cornelis F J Den
Egbert Nijohf
Mehmet Demirors
Vries Sjoerd A De
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 SG181754A1 publication Critical patent/SG181754A1/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
SG2012044483A 2009-12-18 2010-12-14 Polymerization process to make low density polyethylene SG181754A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64198509A 2009-12-18 2009-12-18
PCT/US2010/060244 WO2011075465A1 (en) 2009-12-18 2010-12-14 Polymerization process to make low density polyethylene

Publications (1)

Publication Number Publication Date
SG181754A1 true SG181754A1 (en) 2012-07-30

Family

ID=43663620

Family Applications (1)

Application Number Title Priority Date Filing Date
SG2012044483A SG181754A1 (en) 2009-12-18 2010-12-14 Polymerization process to make low density polyethylene

Country Status (9)

Country Link
EP (1) EP2513162B1 (enExample)
JP (1) JP5873803B2 (enExample)
KR (1) KR20120115323A (enExample)
CN (1) CN102762609A (enExample)
BR (1) BR112012015026B1 (enExample)
CA (1) CA2784272A1 (enExample)
ES (1) ES2555498T3 (enExample)
SG (1) SG181754A1 (enExample)
WO (1) WO2011075465A1 (enExample)

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WO2012057975A1 (en) 2010-10-29 2012-05-03 Dow Global Technologies Llc Ethylene-based polymers and processes for the same
ES2640122T3 (es) * 2011-10-19 2017-10-31 Dow Global Technologies Llc Procedimientos de polimerización con distribuciones de etileno de nueva aportación para preparar polímeros basados en etileno de baja densidad
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
BR112014012268B1 (pt) * 2011-11-23 2020-09-29 Dow Global Technologies Llc Polímero a base de etileno, composição e artigo
IN2014CN04648A (enExample) * 2011-12-22 2015-09-18 Dow Global Technologies Llc
WO2014105110A2 (en) * 2012-12-28 2014-07-03 Dow Global Technologies Llc Method to reduce the crystallization temperature of carboxylic acid comonomer at elevated pressures, and to improve the copolymerization of the same
CN105143337B (zh) 2013-05-01 2018-06-29 陶氏环球技术有限责任公司 具有良好熔融强度和高密度的低密度乙烯基聚合物组合物
EP2999743B1 (en) 2013-05-22 2017-06-21 Dow Global Technologies LLC Low density ethylene-based polymer compositions with high melt strength and mid-high density control
CN105829362B (zh) * 2013-12-26 2019-06-07 陶氏环球技术有限责任公司 使用不对称多烯形成基于乙烯的聚合物的方法
KR102359175B1 (ko) * 2014-06-27 2022-02-08 다우 글로벌 테크놀로지스 엘엘씨 일산화탄소 및 레올로지 개질제로부터 유도된 단위를 포함하는 에틸렌계 폴리머
CN106459275B (zh) * 2014-06-27 2020-05-29 陶氏环球技术有限责任公司 使用一氧化碳分布制备基于乙烯的聚合物的方法
CN109679000B (zh) * 2014-08-05 2022-05-03 埃克森美孚化学专利公司 制造乙烯聚合物和使用改性剂的方法
CN105585766A (zh) * 2014-10-20 2016-05-18 中国石油化工股份有限公司 一种药用薄膜用低密度聚乙烯树脂及其制备方法
CN105585647A (zh) * 2014-10-20 2016-05-18 中国石油化工股份有限公司 一种车饰无纺布背胶用聚乙烯专用料的制备方法
CN105585765A (zh) * 2014-10-20 2016-05-18 中国石油化工股份有限公司 一种用于制造高透明薄膜的低密度聚乙烯树脂及其制备方法
WO2016077512A2 (en) * 2014-11-13 2016-05-19 Dow Global Technologies Llc Lubricant compositions for improved high pressure free-radical polymerizations
US10526476B2 (en) * 2015-03-26 2020-01-07 Sabic Global Technologies B.V. High-pressure polymerisation process for the preparation of polyethylene
CN104788593B (zh) * 2015-04-16 2017-03-29 浙江大学 一种生产低密度聚乙烯的方法及装置
ES2774813T3 (es) * 2015-06-25 2020-07-22 Dow Global Technologies Llc Proceso mejorado para preparar polímeros tubulares a base de etileno con G' elevado y amplia MWD
EP3260473A1 (en) * 2016-06-24 2017-12-27 Dow Global Technologies LLC High pressure, free radical polymerizations to produce ethylene-based polymers
BR112018074634B1 (pt) * 2016-06-24 2022-12-27 Dow Global Technologies Llc Processo de polimerização de alta pressão para formar um polímero à base de etileno, polímero à base de etileno, composição e configuração de cabo ou de fio
KR102334926B1 (ko) 2017-07-31 2021-12-07 엑손모빌 케미칼 패턴츠 인코포레이티드 에틸렌 공중합체를 제조하기 위한 고압 중합 방법
KR102410623B1 (ko) * 2017-10-19 2022-06-17 주식회사 엘지화학 폴리에틸렌 수지의 제조 방법
WO2019078561A1 (ko) * 2017-10-19 2019-04-25 주식회사 엘지화학 폴리에틸렌 수지의 제조 방법
EP3677604B1 (en) * 2017-11-03 2023-03-08 LG Chem, Ltd. Method for preparing ethylene vinylacetate copolymer
KR102608214B1 (ko) * 2018-12-13 2023-11-30 주식회사 엘지화학 저밀도 폴리에틸렌의 제조방법
WO2025181065A1 (en) * 2024-02-29 2025-09-04 Basell Polyolefine Gmbh Film with high weathering resistance
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Also Published As

Publication number Publication date
EP2513162A1 (en) 2012-10-24
CN102762609A (zh) 2012-10-31
BR112012015026A2 (pt) 2017-07-04
JP2013514440A (ja) 2013-04-25
WO2011075465A1 (en) 2011-06-23
KR20120115323A (ko) 2012-10-17
EP2513162B1 (en) 2015-11-04
CA2784272A1 (en) 2011-06-23
BR112012015026B1 (pt) 2019-11-05
ES2555498T3 (es) 2016-01-04
JP5873803B2 (ja) 2016-03-01

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