BRPI0514325A - composições de polietileno bimodal - Google Patents

composições de polietileno bimodal

Info

Publication number
BRPI0514325A
BRPI0514325A BRPI0514325-0A BRPI0514325A BRPI0514325A BR PI0514325 A BRPI0514325 A BR PI0514325A BR PI0514325 A BRPI0514325 A BR PI0514325A BR PI0514325 A BRPI0514325 A BR PI0514325A
Authority
BR
Brazil
Prior art keywords
sub
molecular weight
composition
average molecular
weight average
Prior art date
Application number
BRPI0514325-0A
Other languages
English (en)
Inventor
Tae Hoon Kwalk
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35800835&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0514325(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Univation Tech Llc filed Critical Univation Tech Llc
Publication of BRPI0514325A publication Critical patent/BRPI0514325A/pt

Links

Classifications

    • 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
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
    • 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
    • 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
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/64003—Titanium, zirconium, hafnium or compounds thereof the metallic compound containing a multidentate ligand, i.e. a ligand capable of donating two or more pairs of electrons to form a coordinate or ionic bond
    • C08F4/64006—Bidentate ligand
    • C08F4/64041—Monoanionic ligand
    • C08F4/64044—NN
    • 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
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65925—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
    • 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
    • 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)

Abstract

COMPOSIçõES DE POLIETILENO BIMODAL A presente invenção descreve várias composições, incluindo, porém sem limitações, uma composição de polietileno bimodal de alta resistência, tendo um peso específico de 0,940 g/cm¬ ³¬ ou mais, sendo que a composição compreende um componente de polietileno de alto peso molecular e um componente de polietileno de baixo peso molecular, onde: a razão do peso molecular ponderal média do componente de alto peso molecular (HMW) para o pesa molecular ponderal médio do componente de baixo peso molecular (LMW) (MwHMW:MwLMW) é 30 ou mais; e a composição se qualifica como um material PE 100, de tal modo que, de acordo com a norma ISO 1167, um tubo produzido a partir da composição, que é submetida a uma resistência interna do tubo tenha uma tensão extrapolada de 10 MPa ou mais, quando a curva de resistência interna do tuba é extrapolada para 50 ou 100 anos, de acordo com a norma ISO 9080:2003(E).
BRPI0514325-0A 2004-08-13 2005-05-04 composições de polietileno bimodal BRPI0514325A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/918,190 US7193017B2 (en) 2004-08-13 2004-08-13 High strength biomodal polyethylene compositions
PCT/US2005/015569 WO2006022918A1 (en) 2004-08-13 2005-05-04 High strength bimodal polyethylene compositions

Publications (1)

Publication Number Publication Date
BRPI0514325A true BRPI0514325A (pt) 2008-06-10

Family

ID=35800835

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514325-0A BRPI0514325A (pt) 2004-08-13 2005-05-04 composições de polietileno bimodal

Country Status (13)

Country Link
US (1) US7193017B2 (pt)
EP (1) EP1781712B1 (pt)
JP (1) JP2008510029A (pt)
CN (1) CN101031593B (pt)
AT (1) ATE530581T1 (pt)
BR (1) BRPI0514325A (pt)
CA (1) CA2576155C (pt)
ES (1) ES2374634T3 (pt)
MX (1) MX2007001803A (pt)
MY (1) MY140910A (pt)
RU (1) RU2382800C2 (pt)
TW (1) TW200609292A (pt)
WO (1) WO2006022918A1 (pt)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7829646B2 (en) * 2000-08-18 2010-11-09 Chevron Phillips Chemical Company Lp Olefin polymers, method of making, and use thereof
US7625982B2 (en) * 2005-08-22 2009-12-01 Chevron Phillips Chemical Company Lp Multimodal polyethylene compositions and pipe made from same
MY157264A (en) 2006-11-14 2016-05-31 Univation Tech Llc Catalyst systems and polymerization processes
CN101573221A (zh) * 2006-12-29 2009-11-04 弗纳技术股份有限公司 用于大型模制品吹塑的交联聚乙烯树脂
TW200936619A (en) * 2007-11-15 2009-09-01 Univation Tech Llc Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom
TWI445751B (zh) 2008-07-16 2014-07-21 Univation Tech Llc 聚乙烯組成物
US9249286B2 (en) * 2008-10-09 2016-02-02 Equistar Chemicals, Lp Multimodal polyethylene pipe resins and process
KR101318501B1 (ko) * 2008-10-31 2013-10-16 보레알리스 아게 가교결합된 폴리에틸렌 파이프
EP2199650A1 (en) * 2008-12-19 2010-06-23 Borealis AG Layer for pipes made of multimodal polyethylene composition
PL2354184T3 (pl) * 2010-01-29 2013-01-31 Borealis Ag Tłoczywo polietylenowe o ulepszonym stosunku odporność na pękanie /sztywność i ulepszone udarności
EP2539123A1 (en) 2010-02-22 2013-01-02 Ineos Commercial Services UK Limited Improved polyolefin manufacturing process
EP2410011A1 (en) * 2010-07-23 2012-01-25 INEOS Manufacturing Belgium NV Polyethylene composition
EA029440B1 (ru) * 2011-12-12 2018-03-30 Сауди Бейсик Индастриз Корпорейшн Способ получения бимодального полиэтилена в присутствии данной системы катализатора
US20140127438A1 (en) 2012-11-08 2014-05-08 Robert L. Sherman, Jr. Stabilized high-density polyethylene composition with improved resistance to deterioration and stabilizer system
EP2860204B1 (en) 2013-10-10 2018-08-01 Borealis AG Polyethylene composition for pipe applications
EP2860201A1 (en) 2013-10-10 2015-04-15 Borealis AG High temperature resistant polyethylene and process for the production thereof
EP2860202B1 (en) 2013-10-10 2018-05-30 Borealis AG High temperature resistant polyethylene and process for the production thereof
US10253121B2 (en) * 2014-02-11 2019-04-09 Univation Technologies, Llc Method of producing polyethylene and polyethylene thereof
WO2016063205A2 (en) 2014-10-21 2016-04-28 Nova Chemicals (International) S.A. Dilution index
CA2868640C (en) 2014-10-21 2021-10-26 Nova Chemicals Corporation Solution polymerization process
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
BR112019005082B1 (pt) * 2016-09-30 2022-12-20 Univation Technologies, Llc Sistema de catalisador de polimerização bimodal e método para produzir um polietileno bimodal
RU2758879C2 (ru) 2016-11-08 2021-11-02 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Полиэтиленовая композиция
SG11201903393RA (en) 2016-11-08 2019-05-30 Univation Tech Llc Bimodal polyethylene
CA3043015A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Polyethylene composition
PL3571048T3 (pl) 2017-01-17 2022-02-14 Cryovac, Llc Wielowarstwowe nieusieciowane termokurczliwe folie opakowaniowe
CN110431158A (zh) 2017-02-07 2019-11-08 埃克森美孚化学专利公司 减少齐格勒-纳塔催化剂的催化剂活性损失的方法
US10329412B2 (en) 2017-02-16 2019-06-25 Nova Chemicals (International) S.A. Caps and closures
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
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
EP3676298A1 (en) 2017-08-28 2020-07-08 Univation Technologies, LLC Bimodal polyethylene
US20210147658A1 (en) * 2017-09-11 2021-05-20 Dow Global Technologies Llc Polyethylene composition
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
CA3094511A1 (en) 2018-03-28 2019-10-03 Univation Technologies, Llc Multimodal polyethylene composition
KR102593922B1 (ko) 2018-10-31 2023-10-25 보레알리스 아게 개선된 균질성을 갖는 고압력 저항성 파이프용 폴리에틸렌 조성물
EP3647645A1 (en) 2018-10-31 2020-05-06 Borealis AG Polyethylene composition for high pressure resistant pipes
EP3898722A1 (en) * 2018-12-20 2021-10-27 SABIC Global Technologies B.V. Raised temperature resistant pipes comprising an ethylene-based polymer
WO2020146375A2 (en) 2019-01-08 2020-07-16 Exxonmobil Chemical Patents Inc Olefin polymerization processes featuring in situ blending of an oil extension
US10882987B2 (en) 2019-01-09 2021-01-05 Nova Chemicals (International) S.A. Ethylene interpolymer products having intermediate branching
US11046843B2 (en) 2019-07-29 2021-06-29 Nova Chemicals (International) S.A. Ethylene copolymers and films with excellent sealing properties
BR112022019747A2 (pt) 2020-04-01 2022-11-16 Dow Global Technologies Llc Copolímero de polietileno de baixa densidade linear bimodal, e, artigo fabricado
CN115884993A (zh) * 2020-09-22 2023-03-31 陶氏环球技术有限责任公司 双峰聚乙烯共聚物和其膜
BR112023005552A2 (pt) * 2020-09-30 2023-04-25 Univation Tech Llc Composição de copolímero bimodal de poli(etileno-co-1-hexeno), método para produzir a composição de copolímero bimodal de poli(etileno-co-1-hexeno), formulação de polietileno, artigo fabricado, tubulação, e, método para transportar uma substância
EP3988587B1 (en) 2020-10-26 2025-09-17 Borealis GmbH Polyolefin pipe resin with very good sagging and slow crack growth resistance
US20230406967A1 (en) 2020-10-28 2023-12-21 Exxonmobil Chemical Patents Inc. Non-Aromatic Hydrocarbon Soluble Olefin Polymerization Catalysts and Use Thereof
EP4423153A1 (en) 2021-10-26 2024-09-04 Univation Technologies, LLC Methods of making bimodal polyethylenes
CN121548592A (zh) 2023-06-23 2026-02-17 尤尼威蒂恩技术有限责任公司 单反应器制备的双峰高密度聚乙烯共聚物及方法和制品

Family Cites Families (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003712A (en) * 1970-07-29 1977-01-18 Union Carbide Corporation Fluidized bed reactor
US3709853A (en) * 1971-04-29 1973-01-09 Union Carbide Corp Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts
US4115639A (en) * 1971-06-24 1978-09-19 Union Carbide Corporation Ethylene polymerization with ether modified catalyst
US4011382A (en) * 1975-03-10 1977-03-08 Union Carbide Corporation Preparation of low and medium density ethylene polymer in fluid bed reactor
US4077904A (en) * 1976-06-29 1978-03-07 Union Carbide Corporation Olefin polymerization process and catalyst therefor
US4302566A (en) * 1978-03-31 1981-11-24 Union Carbide Corporation Preparation of ethylene copolymers in fluid bed reactor
US4302565A (en) * 1978-03-31 1981-11-24 Union Carbide Corporation Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization
JPS5910724B2 (ja) * 1979-08-24 1984-03-10 旭化成株式会社 エチレンの連続重合法
US4482687A (en) * 1979-10-26 1984-11-13 Union Carbide Corporation Preparation of low-density ethylene copolymers in fluid bed reactor
US4543399A (en) * 1982-03-24 1985-09-24 Union Carbide Corporation Fluidized bed reaction systems
DE3366573D1 (en) * 1982-06-24 1986-11-06 Bp Chimie Sa Process for the polymerization and copolymerization of alpha-olefins in a fluidized bed
JPS5920308A (ja) 1982-07-26 1984-02-02 Toyo Sutoufuaa Chem:Kk α−オレフイン重合用触媒成分の製造方法
JPS5920307A (ja) 1982-07-26 1984-02-02 Toyo Sutoufuaa Chem:Kk α−オレフイン重合用触媒成分の製造方法
FR2555182B1 (fr) * 1983-11-23 1986-11-07 Bp Chimie Sa Procede de preparation de catalyseur supporte pour la copolymerisation de l'ethylene avec des alpha-olefines superieures
US4613484A (en) * 1984-11-30 1986-09-23 Phillips Petroleum Company Loop reactor settling leg system for separation of solid polymers and liquid diluent
USRE33683E (en) * 1986-01-24 1991-09-03 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins
US4732882A (en) 1986-01-24 1988-03-22 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins
FR2609036B1 (fr) * 1986-12-29 1989-04-14 Bp Chimie Sa Polymerisation ou copolymerisation d'ethylene en phase gazeuse en presence d'un prepolymere comprenant un catalyseur d'oxyde de chrome
US5093415A (en) * 1987-05-19 1992-03-03 Union Carbide Chemicals & Plastics Technology Corporation Process for producing stereoregular polymers having a narrow molecular weight distribution
EP0299750B1 (en) * 1987-07-13 1994-09-28 Mitsubishi Kasei Corporation Linear polyethylene film and process for producing the same
FR2618786B1 (fr) * 1987-07-31 1989-12-01 Bp Chimie Sa Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
FR2628110B1 (fr) * 1988-03-03 1994-03-25 Bp Chimie Catalyseur de polymerisation d'olefines de type ziegler-natta, supporte sur des particules spheriques de chlorure de magnesium, et procede de preparation
FR2660926B1 (fr) * 1990-04-11 1992-07-31 Bp Chemicals Snc Prepolymere d'alpha-olefine contenant un metal de transition et procede de polymerisation d'alpha-olefine en phase gazeuse mettant en óoeuvre le prepolymere.
US5110685A (en) * 1990-05-18 1992-05-05 Exxon Chemical Patents, Inc. Low friction, abrasion resistant polymer coating
JP3255173B2 (ja) * 1990-12-27 2002-02-12 エクソンモービル・ケミカル・パテンツ・インク アミド遷移金属化合物及びアイソタクチックポリプロピレン製造用触媒系
FI86867C (fi) 1990-12-28 1992-10-26 Neste Oy Flerstegsprocess foer framstaellning av polyeten
US5338589A (en) * 1991-06-05 1994-08-16 Hoechst Aktiengesellschaft Polyethylene molding composition
US5208309A (en) * 1992-01-31 1993-05-04 Phillips Petroleum Company Linear, very low density polyethylene polymerization process and products thereof
US5274056A (en) * 1992-01-31 1993-12-28 Phillips Petroleum Company Linear, very low density polyethylene polymerization process and products thereof
US5352749A (en) * 1992-03-19 1994-10-04 Exxon Chemical Patents, Inc. Process for polymerizing monomers in fluidized beds
US5288933A (en) * 1992-04-16 1994-02-22 Union Carbide Chemicals & Plastics Technology Corporation Process for the production of polyethylene
US5290745A (en) * 1992-08-10 1994-03-01 Union Carbide Chemicals & Plastics Technology Corporation Process for producing ethylene polymers having reduced hexane extractable content
US5344884A (en) * 1992-10-08 1994-09-06 Phillips Petroleum Company Polyethylene blends
US5378764A (en) * 1992-10-08 1995-01-03 Phillips Petroleum Company Polyethylene blends
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.
FI98819C (fi) 1993-03-26 1997-08-25 Borealis Polymers Oy Prosessi olefiinipolymeerien valmistamiseksi ja prosessilla valmistetut tuotteet
ZA943399B (en) 1993-05-20 1995-11-17 Bp Chem Int Ltd Polymerisation process
FR2707651B1 (fr) 1993-07-13 1995-08-25 Bp Chemicals Snc Procédé pour augmenter l'activité d'un catalyseur de type Ziegler-Natta.
US5518973A (en) * 1993-10-15 1996-05-21 Exxon Chemical Patents Inc. Titanium trichloride catalyst system for polymerizing olefins
JP3219277B2 (ja) * 1993-12-28 2001-10-15 出光興産株式会社 オレフィン系重合体の製造方法及びエチレン系重合
US5525678A (en) * 1994-09-22 1996-06-11 Mobil Oil Corporation Process for controlling the MWD of a broad/bimodal resin produced in a single reactor
US6506866B2 (en) * 1994-11-17 2003-01-14 Dow Global Technologies Inc. Ethylene copolymer compositions
US5635262A (en) * 1994-12-12 1997-06-03 Exxon Chemical Patents Inc. High molecular weight high density polyethylene with improved tear resistance
FI101546B (fi) * 1994-12-16 1998-07-15 Borealis Polymers Oy Polyeteenikompositio
FI108452B (fi) 1996-06-07 2002-01-31 Borealis Polymers Oy Etyleenipolymeerituote, jolla on leveõ moolimassajakauma, sen valmistus ja kõytt÷
US5677375A (en) * 1995-07-21 1997-10-14 Union Carbide Chemicals & Plastics Technology Corporation Process for producing an in situ polyethylene blend
US5795941A (en) * 1995-10-03 1998-08-18 The Dow Chemical Company Crosslinkable bimodal polyolefin compositions
WO1997029768A1 (en) 1996-02-15 1997-08-21 The Board Of Governors For Higher Education, State Of Rhode Island And Providence Plantations Salmonella typhimurium vaccine
US5665818A (en) 1996-03-05 1997-09-09 Union Carbide Chemicals & Plastics Technology Corporation High activity staged reactor process
CA2251471A1 (en) 1997-02-07 1998-08-13 Mitsui Chemicals, Incorporated Olefin polymerization catalyst and process for the production of olefin polymers
US5889128A (en) * 1997-04-11 1999-03-30 Massachusetts Institute Of Technology Living olefin polymerization processes
US6103657A (en) 1997-07-02 2000-08-15 Union Carbide Chemicals & Plastics Technology Corporation Catalyst for the production of olefin polymers
GB9806407D0 (en) * 1998-03-25 1998-05-20 Bp Chem Int Ltd Novel polymer compositions
ATE282052T1 (de) * 1998-04-06 2004-11-15 Borealis Tech Oy Polyethylen-zusammensetzungen hoher dichte, ein verfahren zu deren herstellung sowie daraus hergestellte filme
SE513632C2 (sv) * 1998-07-06 2000-10-09 Borealis Polymers Oy Multimodal polyetenkomposition för rör
US7354880B2 (en) * 1998-07-10 2008-04-08 Univation Technologies, Llc Catalyst composition and methods for its preparation and use in a polymerization process
ATE355308T1 (de) * 1998-07-16 2006-03-15 Univation Tech Llc Lewis-säure cokatalysatoren auf aluminium-basis für die olefinpolymerisation
EP0989141A1 (en) * 1998-09-25 2000-03-29 Fina Research S.A. Production of multimodal polyethelene
JP2000109521A (ja) * 1998-10-07 2000-04-18 Asahi Chem Ind Co Ltd 成形加工性に優れたポリエチレンパイプ及び継ぎ手用樹脂
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
US6333389B2 (en) * 1998-12-18 2001-12-25 Univation Technologies, Llc Olefin polymerization catalysts, their production and use
EP1041113A1 (en) * 1999-03-30 2000-10-04 Fina Research S.A. Polyolefins and uses thereof
US6339134B1 (en) * 1999-05-06 2002-01-15 Univation Technologies, Llc Polymerization process for producing easier processing polymers
US6271325B1 (en) * 1999-05-17 2001-08-07 Univation Technologies, Llc Method of polymerization
JP4117822B2 (ja) * 1999-10-22 2008-07-16 ユニベーション・テクノロジーズ・エルエルシー 触媒組成物、重合方法、及びそれらから得られた重合体
US6274684B1 (en) * 1999-10-22 2001-08-14 Univation Technologies, Llc Catalyst composition, method of polymerization, and polymer therefrom
US6420580B1 (en) * 1999-11-05 2002-07-16 Univation Technologies, Llc Catalyst compositions and method of polymerization therewith
US6340730B1 (en) * 1999-12-06 2002-01-22 Univation Technologies, Llc Multiple catalyst system
US6359072B1 (en) * 2000-02-16 2002-03-19 Univation Technologies, Llc Polyethylene films having improved optical properties
KR100443767B1 (ko) * 2000-03-31 2004-08-09 미쓰이 가가쿠 가부시키가이샤 폴리올레핀 조성물의 제조 방법
EP1146078B1 (en) 2000-04-13 2009-12-23 Borealis Technology Oy Polymer composition for pipes
US6388017B1 (en) * 2000-05-24 2002-05-14 Phillips Petroleum Company Process for producing a polymer composition
US6403717B1 (en) * 2000-07-12 2002-06-11 Univation Technologies, Llc Ethylene inter-polymer blends
US6525148B1 (en) * 2000-08-18 2003-02-25 Phillips Petroleum Company Polymerization catalyst systems and processes therefor and therewith
US6605675B2 (en) * 2000-12-04 2003-08-12 Univation Technologies, Llc Polymerization process
US6608149B2 (en) * 2000-12-04 2003-08-19 Univation Technologies, Llc Polymerization process
EP1349881B1 (en) * 2000-12-04 2007-10-17 Univaton Technologies, LLC Polimerization process
EP1266933A1 (fr) 2001-06-14 2002-12-18 SOLVAY POLYOLEFINS EUROPE - BELGIUM (Société Anonyme) Composition de polymères d'éthylène
DE60205387T2 (de) 2001-08-17 2006-06-01 Dow Global Technologies, Inc., Midland Bimodale polyethylenzusammensetzung und gegenstände daraus
EP1359192A1 (en) * 2002-04-30 2003-11-05 Solvay Polyolefins Europe-Belgium (Société Anonyme) Polyethylene pipe resins
MXPA04012160A (es) * 2002-06-04 2005-04-19 Union Carbide Chem Plastic Composiciones de polimeros y metodo para elaborar tubos de los mismos.
US6878454B1 (en) * 2003-12-05 2005-04-12 Univation Technologies, Llc Polyethylene films
US7288596B2 (en) * 2003-12-22 2007-10-30 Univation Technologies, Llc Polyethylene compositions having improved tear properties

Also Published As

Publication number Publication date
EP1781712A1 (en) 2007-05-09
CN101031593A (zh) 2007-09-05
EP1781712A4 (en) 2010-04-14
US20060036041A1 (en) 2006-02-16
WO2006022918A1 (en) 2006-03-02
EP1781712B1 (en) 2011-10-26
ES2374634T3 (es) 2012-02-20
CA2576155C (en) 2010-11-09
RU2382800C2 (ru) 2010-02-27
US7193017B2 (en) 2007-03-20
JP2008510029A (ja) 2008-04-03
MY140910A (en) 2010-01-29
TW200609292A (en) 2006-03-16
RU2007109154A (ru) 2008-09-20
CN101031593B (zh) 2010-12-01
ATE530581T1 (de) 2011-11-15
CA2576155A1 (en) 2006-03-02
MX2007001803A (es) 2008-10-24

Similar Documents

Publication Publication Date Title
BRPI0514325A (pt) composições de polietileno bimodal
ATE478921T1 (de) Zusammensetzung
WO2007101047A3 (en) Polyethylene compositions and pipe made from same
ATE432962T1 (de) Bioabsorbierbare polymerzusammensetzungen mit erhöhten kristallisations- und hydrolyseraten
MX2010007298A (es) Composiciones de polimeros basados en etileno, metodos para hacer las mismas y articulos preparados a partir de las mismas.
TW200738817A (en) Blends of biopolymers with acrylic copolymers
JP2004501243A5 (pt)
WO2007117520A3 (en) Polyolefin compositions, articles made therefrom and methods for preparing the same
MY132768A (en) Crystalline propylene copolymer compositions having improved sealability and optical properties and reduced solubility.
DE602008003003D1 (de) Polysiloxan-/polyimid-copolymermischungen
TW200519152A (en) Low haze high strength polyethylene compositions
ATE314420T1 (de) Rohr für heisse fluide
WO2004035681A3 (en) Hetero phase polymer compositions
BR0211959A (pt) Composição de polietileno bimodal e artigos fabricados da mesma
EA200700737A1 (ru) Мультимодальная полиэтиленовая композиция с улучшенной гомогенностью
WO2003022920A1 (en) Polyethylene resin composition
RU2008115431A (ru) Полимодальные полиэтиленовые композиции и трубы, изготовленные из такой полимодальной полиэтиленовой композиции
AR051615A1 (es) Composicion de polietileno multimodal con homogeneidad mejorada
PT1095102E (pt) Composicoes de polimeros para tubos
ATE519796T1 (de) Polyethylenzusammensetzung mit verbesserter verarbeitbarkeit
AR051616A1 (es) Composicion de polietileno multimodal para tuberias
RU2007100137A (ru) Полиэтиленовые смолы для трубопроводной арматуры
ATE492575T1 (de) Neue copolymere
ATE343464T1 (de) Rotationsformverfahren mit verminderter zykluszeit
CA2660663A1 (en) Low temperature pe topcoat

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O(S) ARTIGO(S) 8O COM 13 E 25 DA LPI

B09B Patent application refused [chapter 9.2 patent gazette]