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MXPA04001928A - Material de polietileno multimodal. - Google Patents

Material de polietileno multimodal.

Info

Publication number
MXPA04001928A
MXPA04001928A MXPA04001928A MXPA04001928A MXPA04001928A MX PA04001928 A MXPA04001928 A MX PA04001928A MX PA04001928 A MXPA04001928 A MX PA04001928A MX PA04001928 A MXPA04001928 A MX PA04001928A MX PA04001928 A MXPA04001928 A MX PA04001928A
Authority
MX
Mexico
Prior art keywords
resin
molecular weight
polyethylene material
multimodal polyethylene
ccm
Prior art date
Application number
MXPA04001928A
Other languages
English (en)
Inventor
Cham Pak-Meng
Original Assignee
Dow Global Technologies Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23228883&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MXPA04001928(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Global Technologies Inc filed Critical Dow Global Technologies Inc
Publication of MXPA04001928A publication Critical patent/MXPA04001928A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/06—Metallocene or single site catalysts

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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

La presente invencion se refiere a una resina de polietileno que tiene una distribucion de peso molecular muitimodal; estando caracterizada ademas dicha resina porque tiene una densidad en la escala aproximada de 0.925 g/cm3 a 0.950 g/cm3, un indice de fusion (12) en la escala aproximada de 0.05 g/10 min a 5 g/10 min, y porque comprende adicionalmente por lo menos un interpolimero de etileno de elevado peso molecular (HMW) y por lo menos un polimero de etileno de bajo peso molecular (LMW); y a una composicion que comprende dicha resina. Se provee tambien un articulo formado que comprende la resina o la composicion; en particular un tubo.
MXPA04001928A 2001-08-31 2002-08-28 Material de polietileno multimodal. MXPA04001928A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31640101P 2001-08-31 2001-08-31
PCT/US2002/027503 WO2003020821A1 (en) 2001-08-31 2002-08-28 Multimodal polyethylene material

Publications (1)

Publication Number Publication Date
MXPA04001928A true MXPA04001928A (es) 2004-07-23

Family

ID=23228883

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04001928A MXPA04001928A (es) 2001-08-31 2002-08-28 Material de polietileno multimodal.

Country Status (14)

Country Link
US (2) US7250473B2 (es)
EP (1) EP1425344B1 (es)
JP (3) JP2005501951A (es)
KR (2) KR100872219B1 (es)
CN (2) CN101230161B (es)
AR (1) AR037142A1 (es)
AT (1) ATE287924T1 (es)
BR (1) BR0212631B1 (es)
CA (1) CA2457430C (es)
DE (1) DE60202780T2 (es)
ES (1) ES2232767T3 (es)
MX (1) MXPA04001928A (es)
PL (1) PL203162B1 (es)
WO (1) WO2003020821A1 (es)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6506866B2 (en) * 1994-11-17 2003-01-14 Dow Global Technologies Inc. Ethylene copolymer compositions
JPH09309926A (ja) * 1996-05-17 1997-12-02 Dow Chem Co:The エチレン共重合体の製造方法
KR20080077284A (ko) * 2001-08-17 2008-08-21 다우 글로벌 테크놀로지스 인크. 바이모드 폴리에틸렌 조성물 및 그로부터 제조된 물품
EP1425344B1 (en) 2001-08-31 2005-01-26 Dow Global Technologies Inc. Multimodal polyethylene material
SE0103425D0 (sv) * 2001-10-16 2001-10-16 Borealis Tech Oy Pipe for hot fluids
EP1319685A1 (en) * 2001-12-14 2003-06-18 ATOFINA Research Physical blends of polyethylenes
JP2006512475A (ja) * 2002-12-24 2006-04-13 バーゼル・ポリオレフィン・ゲーエムベーハー Ｌ−リングドラムを製造するためのポリエチレン組成物
MY145338A (en) * 2003-12-04 2012-01-31 Dow Global Technologies Inc Stabilized polyethylene material
FR2865521A1 (fr) * 2004-01-22 2005-07-29 Hozelock Tricoflex Tuyau souple en matiere plastique multicouche
ES2274413T3 (es) * 2004-03-12 2007-05-16 Borealis Technology Oy Tuberia a presion de lldpe.
US7309741B2 (en) * 2004-06-01 2007-12-18 Nova Chemicals (International) S.A. Polyolefin blends and pipe
GB0425444D0 (en) * 2004-11-18 2004-12-22 Solvay Multimodal composition for tapes, fibres and filaments
JP5016258B2 (ja) * 2005-05-23 2012-09-05 日本ポリエチレン株式会社 ポリエチレン樹脂・その製造方法並びにその樹脂を用いたパイプおよび継手
DE102005030941A1 (de) * 2005-06-30 2007-01-11 Basell Polyolefine Gmbh Polyethylen Formmasse zur Herstellung von spritzgegossenen Fertigteilen
US7312283B2 (en) 2005-08-22 2007-12-25 Chevron Phillips Chemical Company Lp Polymerization catalysts and process for producing bimodal polymers in a single reactor
US7625982B2 (en) * 2005-08-22 2009-12-01 Chevron Phillips Chemical Company Lp Multimodal polyethylene compositions and pipe made from same
US7226886B2 (en) 2005-09-15 2007-06-05 Chevron Phillips Chemical Company, L.P. Polymerization catalysts and process for producing bimodal polymers in a single reactor
CA2620083C (en) * 2005-08-24 2014-07-15 Dow Global Technologies Inc. Polyolefin compositions, articles made therefrom and methods for preparing the same
DE102005040390A1 (de) * 2005-08-25 2007-03-01 Basell Polyolefine Gmbh Multimodale Polyethylen Formmasse zur Herstellung von Rohren mit verbesserten mechanischen Eigenschaften
ES2303164T3 (es) * 2005-09-15 2008-08-01 Borealis Technology Oy Conducto sin presion que comprende un compuesto de polietileno multimodal con una carga inorganica.
US20090272721A1 (en) * 2005-09-28 2009-11-05 Tadahiro Ohmi Athmosphere-Controlled Bonding Apparatus, Bonding Method, and Electronic Device
US7619047B2 (en) 2006-02-22 2009-11-17 Chevron Phillips Chemical Company, Lp Dual metallocene catalysts for polymerization of bimodal polymers
DE602007004315D1 (de) * 2006-04-07 2010-03-04 Dow Global Technologies Inc L und herstellungsverfahren dafür
ATE466043T1 (de) * 2006-10-04 2010-05-15 Borealis Tech Oy Migrationsarme polyolefinzusammensetzung
CA2667459C (en) 2006-10-23 2015-01-20 Dow Global Technologies Inc. Polyethylene compositions, methods of making the same, and articles prepared therefrom
ES2339963T3 (es) * 2006-12-01 2010-05-27 Borealis Technology Oy Tubo que tiene una resistencia a alta temperatura mejorada.
PL1927626T3 (pl) 2006-12-01 2010-03-31 Borealis Tech Oy Wielomodalne żywice polietylenowe do produkcji rur, wytwarzane w obecności katalizatora z jednym miejscem aktywnym
ES2329608T5 (es) † 2006-12-21 2016-04-12 Borealis Technology Oy Película
EP1950233A1 (en) * 2007-01-25 2008-07-30 Borealis Technology Oy polymer
ES2333828T3 (es) * 2007-05-02 2010-03-01 Dow Global Technologies Inc. Composiciones de polietileno de alta densidad, metodo de obtecion, articulos por inyeccion a partir de ellas, y metodo de obtecion de tales articulos.
RU2448991C2 (ru) 2007-06-13 2012-04-27 ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи Полиэтиленовые композиции, способы их получения и изделия, полученные из них
EP2039720A1 (en) * 2007-09-21 2009-03-25 Total Petrochemicals Research Feluy Pipes for transporting water containing chlorine.
ATE556115T1 (de) * 2007-09-21 2012-05-15 Total Petrochemicals Res Feluy Rohre zum transport von chlorhaltigem wasser
ES2383312T3 (es) 2007-09-21 2012-06-20 Total Petrochemicals Research Feluy Tubos para transportar agua que contiene dióxido de cloro
EP2042525A1 (en) * 2007-09-21 2009-04-01 Total Petrochemicals Research Feluy Pipes for transporting water containing chloramine.
PL2201048T3 (pl) * 2007-09-21 2012-10-31 Total Petrochemicals Res Feluy Rury do transportu wody zawierającej chloraminę
EP2067799A1 (en) 2007-12-05 2009-06-10 Borealis Technology OY Polymer
MX2010007298A (es) * 2007-12-31 2010-09-30 Dow Global Technologies Inc Composiciones de polimeros basados en etileno, metodos para hacer las mismas y articulos preparados a partir de las mismas.
EP2130862A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions and pressure-resistant pipes made thereof
EP2130863A1 (en) 2008-06-02 2009-12-09 Borealis AG High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom
EP2130859A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof
EP2133367A1 (en) 2008-06-09 2009-12-16 INEOS Manufacturing Belgium NV Novel Copolymers
CN102197078B (zh) * 2008-08-28 2013-12-11 陶氏环球技术有限责任公司 用于注射吹塑的方法和组合物
US7816478B2 (en) * 2008-09-03 2010-10-19 Equistar Chemicals, Lp Polyethylene thick film and process for preparing polyethylene
US8957158B2 (en) * 2008-09-25 2015-02-17 Basell Polyolefine Gmbh Impact resistant LLDPE composition and films made thereof
KR101049261B1 (ko) 2009-09-29 2011-07-13 주식회사 엘지화학 3종 혼성 메탈로센 담지 촉매 및 그의 제조방법
JP2013510221A (ja) 2009-11-06 2013-03-21 エルジー・ケム・リミテッド 混合メタロセン触媒組成物およびこれを用いたポリオレフィンの製造方法
US8679639B2 (en) * 2009-11-24 2014-03-25 Dow Global Technologies Llc Extrusion coating composition
US8784996B2 (en) * 2009-11-24 2014-07-22 Dow Global Technologies Llc Extrusion coating composition
BR112012023424B1 (pt) * 2010-03-17 2020-09-29 Borealis Ag Cabo de alimentação cc, seu processo de produção e uso de uma composição de polímero
CA2792990C (en) 2010-03-17 2019-05-14 Borealis Ag Polyethylene polymer composition and power cable with improved electrical properties
WO2012003042A1 (en) * 2010-06-28 2012-01-05 Dow Global Technologies Llc Single polymer film structures for use in stand-up-pouches
EP2407506A1 (en) * 2010-07-13 2012-01-18 Borealis AG Pipes made from a polyethylene copolymer with slow crack growth
US8829102B2 (en) * 2010-10-27 2014-09-09 Cabot Corporation High loading carbon black masterbatch for pressure pipe applications
JP5648463B2 (ja) * 2010-12-17 2015-01-07 東ソー株式会社 ポリエチレンパイプ
JP5648462B2 (ja) * 2010-12-17 2015-01-07 東ソー株式会社 ブロー容器
CN106977767A (zh) 2011-03-14 2017-07-25 陶氏环球技术有限责任公司 基于乙烯的组合物
ES2610557T3 (es) * 2011-07-08 2017-04-28 Dow Global Technologies Llc Composición de mezcla de polietileno adecuada para película soplada, procedimiento de producción de la misma y películas fabricadas a partir de la misma
PL2551294T3 (pl) 2011-07-25 2019-06-28 Borealis Ag Zastosowanie kompozycji poliolefinowej do rur i kształtek o ulepszonej odporności na ditlenek chloru
EP2551297B1 (en) * 2011-07-25 2014-03-12 Borealis AG Polyolefin composition with excellent colour and thermal stability as well as oxidation resistance for pipes
DE102012101854A1 (de) * 2012-03-06 2013-09-12 Rehau Ag + Co Verwendung eines Polymermaterials
DE102012101869A1 (de) * 2012-03-06 2013-09-12 Rehau Ag + Co Verwendung eines Polymermaterials
KR101331556B1 (ko) * 2012-03-30 2013-11-20 대림산업 주식회사 멀티모달 폴리올레핀 수지 및 이로부터 제조되는 성형체
US8937139B2 (en) 2012-10-25 2015-01-20 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
US8895679B2 (en) 2012-10-25 2014-11-25 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
DE102012111140A1 (de) * 2012-11-20 2014-05-22 Rehau Ag + Co. Verwendung eines ersten und eines zweiten Polymermaterials
US9034991B2 (en) 2013-01-29 2015-05-19 Chevron Phillips Chemical Company Lp Polymer compositions and methods of making and using same
US8877672B2 (en) 2013-01-29 2014-11-04 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
CN105143282B (zh) 2013-04-30 2018-03-02 陶氏环球技术有限责任公司 乙烯/α‑烯烃互聚物组合物
US9670342B2 (en) 2013-08-12 2017-06-06 Total Research & Technology Feluy Polyethylene for injection stretch blow molding applications
CN103672197B (zh) * 2013-12-24 2016-06-15 贵州蓝图新材料股份有限公司 超高分子量聚乙烯多层共挤矿用输送管及其制备方法
EP3209722B1 (en) 2014-10-21 2025-07-16 Nova Chemicals (International) S.A. Ethylene interpolymer product with dilution index
CA2868640C (en) 2014-10-21 2021-10-26 Nova Chemicals Corporation Solution polymerization process
WO2016091681A1 (en) * 2014-12-12 2016-06-16 Sabic Global Technologies B.V. Polyethylene composition and pipe comprising such composition
US9493589B1 (en) * 2015-09-09 2016-11-15 Chevron Phillips Chemical Company Lp Polymers with improved ESCR for blow molding applications
KR20170049272A (ko) * 2015-10-28 2017-05-10 대림산업 주식회사 멀티모달 폴리올레핀 수지 및 이로부터 제조되는 성형체
ES2691556T5 (es) 2016-03-02 2022-09-29 Dow Global Technologies Llc Una composición de un copolímero de etileno/alfa-olefina, y artículos que comprenden la misma
JP6651938B2 (ja) 2016-03-28 2020-02-19 日本ポリエチレン株式会社 ポリエチレン及びその成形体
CN109661457B (zh) * 2016-07-14 2022-06-10 埃克森美孚化学专利公司 包含可用作粘度改进剂的双金属茂催化双峰共聚物组合物的润滑油组合物
ES2919777T5 (en) 2016-11-08 2025-09-25 Univation Tech Llc Bimodal polyethylene
CN110036067A (zh) * 2016-12-16 2019-07-19 博禄塑料（上海）有限公司 用于管件应用的导热pe组合物
CN110234495B (zh) 2017-01-26 2021-11-12 Sabic环球技术有限责任公司 通过双轴向拉伸生产管子的方法
US10329412B2 (en) 2017-02-16 2019-06-25 Nova Chemicals (International) S.A. Caps and closures
CN121246218A (zh) 2017-03-17 2026-01-02 Sabic环球技术有限责任公司 通过双轴向拉伸生产管子的方法
US10442920B2 (en) 2017-04-19 2019-10-15 Nova Chemicals (International) S.A. Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations
US10442921B2 (en) 2017-04-19 2019-10-15 Nova Chemicals (International) S.A. Means for increasing the molecular weight and decreasing the density employing mixed homogeneous catalyst formulations
CN111051353B (zh) 2017-08-28 2022-09-09 尤尼威蒂恩技术有限责任公司 双峰聚乙烯
CA3074827A1 (en) 2017-09-11 2019-03-14 Univation Technologies, Llc Carbon black-containing bimodal polyethylene composition
KR102128597B1 (ko) * 2017-09-15 2020-06-30 주식회사 엘지화학 플라스틱 수지의 멜트 블로운 가공 물성 평가 방법
EP3536478B1 (en) * 2017-09-29 2022-08-31 LG Chem, Ltd. Method for selecting material of injection-molded article and method for manufacturing injection-molded article
US10683376B2 (en) 2017-11-07 2020-06-16 Nova Chemicals (International) S.A. Manufacturing ethylene interpolymer products at higher production rate
US10995166B2 (en) 2017-11-07 2021-05-04 Nova Chemicals (International) S.A. Ethylene interpolymer products and films
US11479624B2 (en) 2017-11-17 2022-10-25 Exxonmobil Chemical Patents Inc. PE-RT pipes and processes for making the same
KR101904496B1 (ko) * 2017-12-13 2018-11-28 대림산업 주식회사 멀티모달 폴리올레핀 수지 및 이로부터 제조되는 성형체
AR114620A1 (es) * 2017-12-15 2020-09-30 Dow Global Technologies Llc Formulación que contiene una composición de polietileno de alta densidad y cinta de goteo para microirrigación que la contiene
BR112020018814B1 (pt) 2018-03-28 2023-12-12 Univation Technologies, Llc Composição de polietileno bimodal, método para produzir uma composição de polietileno bimodal, artigo fabricado e tampa ou fecho de garrafa
US10882987B2 (en) 2019-01-09 2021-01-05 Nova Chemicals (International) S.A. Ethylene interpolymer products having intermediate branching
US11846370B2 (en) 2019-03-26 2023-12-19 Titeflex Corporation Multilayer composite pipe and pipe assemblies including reflective insulation
US12320449B2 (en) 2019-03-26 2025-06-03 Titeflex Corporation Multilayer composite pipe and pipe assemblies including reflective insulation
US11046843B2 (en) 2019-07-29 2021-06-29 Nova Chemicals (International) S.A. Ethylene copolymers and films with excellent sealing properties
MX2022004862A (es) 2019-11-01 2022-05-19 Nova Chem Int Sa Polietileno de alta densidad lineal con alta tenacidad y alta resistencia al agrietamiento por tension ambiental (escr).
US12220894B2 (en) 2020-07-31 2025-02-11 Titeflex Corporation Multilayer composite tube with flame-resistant layers
US20230312894A1 (en) 2020-09-30 2023-10-05 Univation Technologies, Llc Bimodal polyethylene copolymers for pe-80 pipe applications
EP4263702B1 (en) * 2020-12-18 2024-12-25 Dow Global Technologies LLC Compositions of low and high melt index ethylene/alpha-olefin interpolymers for improved mechanical properties
JP2023142435A (ja) * 2022-03-25 2023-10-05 積水化学工業株式会社 架橋ポリエチレン管
CN117384315A (zh) * 2022-07-05 2024-01-12 中国石油化工股份有限公司 利用两个反应器串/并联制备聚乙烯树脂的方法和聚乙烯树脂以及应用
CN118791658A (zh) * 2023-04-13 2024-10-18 中国石油化工股份有限公司 管材用双峰聚乙烯树脂及其制备方法和应用
CN121002078A (zh) 2023-04-24 2025-11-21 诺瓦化学品(国际)股份有限公司 适用于中型散装容器应用的线性高密度聚乙烯组合物
KR20260003679A (ko) 2023-04-24 2026-01-07 노바 케미컬즈 (인터내셔널) 소시에테 아노님 선형 고밀도 폴리에틸렌 조성물 및 회전성형품

Family Cites Families (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US549874A (en) * 1895-11-12 Electric speed-regulator
CA849081A (en) 1967-03-02 1970-08-11 Du Pont Of Canada Limited PRODUCTION OF ETHYLENE/.alpha.-OLEFIN COPOLYMERS OF IMPROVED PHYSICAL PROPERTIES
US3914342A (en) 1971-07-13 1975-10-21 Dow Chemical Co Ethylene polymer blend and polymerization process for preparation thereof
US4363746A (en) 1979-05-29 1982-12-14 Phillips Petroleum Company Composition of matter and method of preparing same, catalyst, method of producing the catalyst and polymerization process employing the catalyst
US4325837A (en) 1980-08-12 1982-04-20 Phillips Petroleum Company Catalyst, method of producing the catalyst, and polymerization process employing the catalyst
US4438238A (en) 1981-01-30 1984-03-20 Sumitomo Chemical Company, Limited Low density copolymer composition of two ethylene-α-olefin copolymers
US4461873A (en) * 1982-06-22 1984-07-24 Phillips Petroleum Company Ethylene polymer blends
US4547551A (en) * 1982-06-22 1985-10-15 Phillips Petroleum Company Ethylene polymer blends and process for forming film
US4937299A (en) 1983-06-06 1990-06-26 Exxon Research & Engineering Company Process and catalyst for producing reactor blend polyolefins
US4798081A (en) 1985-11-27 1989-01-17 The Dow Chemical Company High temperature continuous viscometry coupled with analytic temperature rising elution fractionation for evaluating crystalline and semi-crystalline polymers
US5055438A (en) 1989-09-13 1991-10-08 Exxon Chemical Patents, Inc. Olefin polymerization catalysts
DE3723526A1 (de) 1987-07-16 1989-01-26 Hoechst Ag Verfahren zur herstellung eines polyolefins mit einer breiten molmassenverteilung
US4824912A (en) 1987-08-31 1989-04-25 Mobil Oil Corporation Terblends and films of LLDPE, LMW-HDPE and HMW-HDPE
US5218071A (en) 1988-12-26 1993-06-08 Mitsui Petrochemical Industries, Ltd. Ethylene random copolymers
NZ235032A (en) 1989-08-31 1993-04-28 Dow Chemical Co Constrained geometry complexes of titanium, zirconium or hafnium comprising a substituted cyclopentadiene ligand; use as olefin polymerisation catalyst component
US5064802A (en) 1989-09-14 1991-11-12 The Dow Chemical Company Metal complex compounds
JPH03115445A (ja) 1989-09-29 1991-05-16 Nippon Petrochem Co Ltd エチレン系重合体組成物
US5272236A (en) 1991-10-15 1993-12-21 The Dow Chemical Company Elastic substantially linear olefin polymers
JP3045548B2 (ja) 1990-12-28 2000-05-29 日本石油化学株式会社 ポリエチレン組成物
US5089321A (en) 1991-01-10 1992-02-18 The Dow Chemical Company Multilayer polyolefinic film structures having improved heat seal characteristics
US5189192A (en) 1991-01-16 1993-02-23 The Dow Chemical Company Process for preparing addition polymerization catalysts via metal center oxidation
DE69218995T2 (de) * 1991-03-06 1997-10-16 Mobil Oil Corp Verfahren zur Herstellung von bimodale Polyethylen in Serien-Reaktoren
US6194520B1 (en) 1991-03-06 2001-02-27 Mobil Oil Corporation Ethylene polymer resins for blow molding applications
DE69232109T2 (de) 1991-07-24 2002-03-14 Mobil Oil Corp., Fairfax Verbesserte Polyethylenharze für Filme
KR930006090A (ko) 1991-09-18 1993-04-20 제이 이이 휘립프스 에틸렌 중합체 조성물
GB9121033D0 (en) 1991-10-03 1991-11-13 Du Pont Canada Catalyst for ethylene polymerization at high temperatures
GB9121019D0 (en) 1991-10-03 1991-11-13 Du Pont Canada Activation of catalyst in ethylene polymerization at high temperatures
GB9120971D0 (en) 1991-10-03 1991-11-13 Du Pont Canada Control of a solution process for polymerization of ethylene
US5582923A (en) 1991-10-15 1996-12-10 The Dow Chemical Company Extrusion compositions having high drawdown and substantially reduced neck-in
US5525695A (en) 1991-10-15 1996-06-11 The Dow Chemical Company Elastic linear interpolymers
US5278272A (en) 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
WO1993014132A1 (en) 1992-01-06 1993-07-22 The Dow Chemical Company Improved catalyst composition
US5374696A (en) 1992-03-26 1994-12-20 The Dow Chemical Company Addition polymerization process using stabilized reduced metal catalysts
DE69329313T3 (de) 1992-06-17 2008-07-31 Mitsui Chemicals, Inc. Ethylencopolymerzusammensetzung
BE1006439A3 (fr) 1992-12-21 1994-08-30 Solvay Societe Annonyme Procede de preparation d'une composition de polymeres d'ethylene, composition de polymeres d'ethylene et son utilisation.
WO1994017112A2 (en) 1993-01-29 1994-08-04 The Dow Chemical Company Ethylene interpolymerizations
CZ283095A3 (en) 1993-04-28 1996-05-15 Dow Chemical Co Ethylene polymer compositions and articles produced from ethylene polymer mixtures
US5470993A (en) 1993-06-24 1995-11-28 The Dow Chemical Company Titanium(II) or zirconium(II) complexes and addition polymerization catalysts therefrom
US5408004A (en) 1993-08-17 1995-04-18 The Dow Chemical Company Polyolefin blends and their solid state processing
US5562619A (en) * 1993-08-19 1996-10-08 Boston Scientific Corporation Deflectable catheter
SG88707A1 (en) 1993-10-21 2002-05-21 Mobil Oil Corp Improved in situ blends of bimodal molecular weight distribution
US5631069A (en) 1994-05-09 1997-05-20 The Dow Chemical Company Medium modulus molded material comprising substantially linear polyethlene and fabrication method
EP0759048B1 (en) 1994-05-09 1999-07-21 The Dow Chemical Company Medium modulus film comprising substantially linear polyethylene and fabrication method
US5858491A (en) 1994-11-02 1999-01-12 Dow Belgium Hollow molded articles and process for manufacturing them
FI96216C (fi) 1994-12-16 1996-05-27 Borealis Polymers Oy Prosessi polyeteenin valmistamiseksi
DE19515678B4 (de) 1995-04-28 2007-12-27 Basell Polyolefine Gmbh Rohr aus Polyethylen mit verbesserten mechanischen Eigenschaften
SE504455C2 (sv) * 1995-07-10 1997-02-17 Borealis Polymers Oy Kabelmantlingskomposition, dess användning samt sätt för dess framställning
KR100199433B1 (ko) 1995-07-24 1999-06-15 고다 시게노리 에틸렌계 중합체 조성물
US5925448A (en) 1995-11-07 1999-07-20 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from a blend of ethylene copolymers
JPH09194643A (ja) 1996-01-18 1997-07-29 Mitsubishi Chem Corp 耐熱水安定性に優れたエチレン樹脂組成物
DE19604520A1 (de) 1996-02-08 1997-08-14 Buna Sow Leuna Olefinverb Gmbh Polyethylenblend
US5665818A (en) 1996-03-05 1997-09-09 Union Carbide Chemicals & Plastics Technology Corporation High activity staged reactor process
JP3133692B2 (ja) 1997-02-25 2001-02-13 花王株式会社 ポリオレフィン系樹脂組成物及びこれを用いてなる成形体
EP0881237A1 (en) 1997-05-26 1998-12-02 Fina Research S.A. Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones
BE1011333A3 (fr) 1997-08-20 1999-07-06 Solvay Procede de fabrication d'une composition de polymeres d'ethylene.
BR9812478A (pt) 1997-09-19 2000-09-26 Dow Chemical Co "composição de interpolìmero de etileno composicionalmente otimizada, com uma distribuição estreita de peso molecular, processo de obtenção e artigos fabricados com a mesma"
EP0905153B1 (en) 1997-09-27 2004-03-31 ATOFINA Research Production of polyethylene having a broad molecular weight distribution
JPH11106574A (ja) 1997-10-07 1999-04-20 Asahi Chem Ind Co Ltd 剛性−ｅｓｃｒ−耐衝撃性のバランスに優れた高密度エチレン系重合体組成物
SE520000C2 (sv) * 1998-01-02 2003-05-06 Borealis Polymers Oy Isolerande komposition för en elektrisk kraftkabel samt kraftkabel innefattande den isolerande kompositionen
SE513632C2 (sv) 1998-07-06 2000-10-09 Borealis Polymers Oy Multimodal polyetenkomposition för rör
DE19833858C2 (de) 1998-07-28 2000-06-08 Elenac Gmbh Geruchsarme Polyethylen-Blends
EP0989141A1 (en) 1998-09-25 2000-03-29 Fina Research S.A. Production of multimodal polyethelene
SE9803501D0 (sv) 1998-10-14 1998-10-14 Borealis Polymers Oy Polymer composition for pipes
DE19849426A1 (de) 1998-10-27 2000-05-04 Elenac Gmbh Bimodale Polyethylen-Blends mit hoher Mischgüte
FI990003L (fi) 1999-01-04 2000-07-05 Borealis Polymers Oy Polymeerikoostumus, menetelmä sen valmistamiseksi ja siitä valmistetut kalvot
EP1041090A1 (en) 1999-03-29 2000-10-04 Fina Research S.A. Production of polyethylene having a broad molecular weight distribution
DE19929812A1 (de) * 1999-06-30 2001-01-04 Elenac Gmbh Polyethylen Formmasse und daraus hergestelltes Rohr mit verbesserten mechanischen Eigenschaften
CA2285723C (en) 1999-10-07 2009-09-15 Nova Chemicals Corporation Multimodal polyolefin pipe
US6403717B1 (en) * 2000-07-12 2002-06-11 Univation Technologies, Llc Ethylene inter-polymer blends
EP1201711A1 (en) 2000-10-27 2002-05-02 ATOFINA Research Polyethylene pipe resins and production thereof
KR20080077284A (ko) * 2001-08-17 2008-08-21 다우 글로벌 테크놀로지스 인크. 바이모드 폴리에틸렌 조성물 및 그로부터 제조된 물품
EP1425344B1 (en) 2001-08-31 2005-01-26 Dow Global Technologies Inc. Multimodal polyethylene material
SE0103425D0 (sv) * 2001-10-16 2001-10-16 Borealis Tech Oy Pipe for hot fluids
KR100646249B1 (ko) * 2004-04-08 2006-11-23 주식회사 엘지화학 혼성 담지 메탈로센 촉매를 이용한 가공성 및 내압 특성이뛰어난 급수관 파이프용 폴리에틸렌 및 그의 제조방법

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US8101687B2 (en) 2012-01-24
JP2005501951A (ja) 2005-01-20
WO2003020821A1 (en) 2003-03-13
BR0212631A (pt) 2004-08-24
EP1425344A1 (en) 2004-06-09
PL368461A1 (en) 2005-03-21
CN100362049C (zh) 2008-01-16
US20070112160A1 (en) 2007-05-17
DE60202780T2 (de) 2005-06-30
CN101230161A (zh) 2008-07-30
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US20040266966A1 (en) 2004-12-30
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DE60202780D1 (de) 2005-03-03
ATE287924T1 (de) 2005-02-15
CA2457430A1 (en) 2003-03-13
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