DE69710856T2 - Verfahren zur Herstellung einer simulierten in situ Polyethylenmischung - Google Patents

Verfahren zur Herstellung einer simulierten in situ Polyethylenmischung

Info

Publication number
DE69710856T2
DE69710856T2 DE69710856T DE69710856T DE69710856T2 DE 69710856 T2 DE69710856 T2 DE 69710856T2 DE 69710856 T DE69710856 T DE 69710856T DE 69710856 T DE69710856 T DE 69710856T DE 69710856 T2 DE69710856 T2 DE 69710856T2
Authority
DE
Germany
Prior art keywords
polyethylene
grams per
simulated
per
production
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69710856T
Other languages
English (en)
Other versions
DE69710856D1 (de
Inventor
Anthony Charles Neubauer
Leonard Sebastian Scarola
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology 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 Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Application granted granted Critical
Publication of DE69710856D1 publication Critical patent/DE69710856D1/de
Publication of DE69710856T2 publication Critical patent/DE69710856T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/69—Filters or screens for the moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • 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 more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
DE69710856T 1996-12-03 1997-12-02 Verfahren zur Herstellung einer simulierten in situ Polyethylenmischung Expired - Lifetime DE69710856T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/753,931 US6485662B1 (en) 1996-12-03 1996-12-03 Process for preparing a simulated in situ polyethylene blend

Publications (2)

Publication Number Publication Date
DE69710856D1 DE69710856D1 (de) 2002-04-11
DE69710856T2 true DE69710856T2 (de) 2002-07-18

Family

ID=25032757

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69710856T Expired - Lifetime DE69710856T2 (de) 1996-12-03 1997-12-02 Verfahren zur Herstellung einer simulierten in situ Polyethylenmischung

Country Status (6)

Country Link
US (1) US6485662B1 (de)
EP (1) EP0848036B1 (de)
JP (1) JP3830643B2 (de)
AT (1) ATE214080T1 (de)
DE (1) DE69710856T2 (de)
ES (1) ES2169840T3 (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19849426A1 (de) 1998-10-27 2000-05-04 Elenac Gmbh Bimodale Polyethylen-Blends mit hoher Mischgüte
DE19929812A1 (de) * 1999-06-30 2001-01-04 Elenac Gmbh Polyethylen Formmasse und daraus hergestelltes Rohr mit verbesserten mechanischen Eigenschaften
GB9919718D0 (en) * 1999-08-19 1999-10-20 Borealis As Process
US6537471B2 (en) * 1999-12-14 2003-03-25 Microhelix, Inc. Method for producing ultra thin wall extrusions
US6608149B2 (en) 2000-12-04 2003-08-19 Univation Technologies, Llc Polymerization process
TW200504093A (en) * 2003-05-12 2005-02-01 Dow Global Technologies Inc Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom
MXPA06002483A (es) * 2003-09-05 2006-06-20 Dow Global Technologies Inc Composiciones de resina mejoradas para recubrimiento por extrusion.
JP4651275B2 (ja) * 2003-11-04 2011-03-16 三井化学株式会社 エチレン系共重合体樹脂組成物とその用途
US6878454B1 (en) * 2003-12-05 2005-04-12 Univation Technologies, Llc Polyethylene films
US7794473B2 (en) 2004-11-12 2010-09-14 C.R. Bard, Inc. Filter delivery system
DE602005015613D1 (de) * 2004-11-16 2009-09-03 Dow Global Technologies Inc Elastomere zusammensetzungen mit erhöhter einschnürungsresistenz für hochgeschwindigkeits-blechextrudierungsanwendungen
CA2591662C (en) 2004-12-17 2014-01-28 Dow Global Technologies Inc. Rheology modified relatively high melt strength polyethlene compositions and methods of making pipes, films, sheets, and blow molded articles
JP5023493B2 (ja) * 2005-01-07 2012-09-12 住友化学株式会社 ポリプロピレン系樹脂組成物の製造方法
DE102005040390A1 (de) 2005-08-25 2007-03-01 Basell Polyolefine Gmbh Multimodale Polyethylen Formmasse zur Herstellung von Rohren mit verbesserten mechanischen Eigenschaften
US7786203B2 (en) * 2005-09-16 2010-08-31 Milliken & Company Polymer compositions comprising nucleating or clarifying agents and articles made using such compositions
US7393916B2 (en) * 2005-11-01 2008-07-01 Univation Technologies, Llc Method of reducing gels in polyolefins
US9492963B2 (en) 2006-03-10 2016-11-15 Dow Global Technologies Llc Process for making tailored polyetheylene resins for sheets
EP2016127B1 (de) 2006-05-02 2010-03-17 Dow Global Technologies Inc. Hochdichte polyethylenzusammensetzungen, verfahren zu deren herstellung, daraus hergestellte artikel und verfahren zur herstellung derartiger artikel
US7456244B2 (en) * 2006-05-23 2008-11-25 Dow Global Technologies High-density polyethylene compositions and method of making the same
ATE450569T1 (de) * 2007-05-02 2009-12-15 Dow Global Technologies Inc Hochdichte polyethylenzusammensetzungen, verfahren zu deren herstellung, daraus hergestellte einspritzgeformte artikel und verfahren zur herstellung derartiger artikel
DE112008001952T5 (de) 2007-07-26 2010-06-02 Sumitomo Chemical Co., Ltd. Verfahren zur Herstellung einer Polyolefinharzzusammensetzung
US8481666B2 (en) 2008-01-29 2013-07-09 Dow Global Technologies Llc. Polyethylene compositions, method of producing the same, articles made therefrom, and method of making the same
WO2010088265A1 (en) 2009-01-30 2010-08-05 Dow Global Technologies Inc. High-density polyethylene compositions, method of producing the same, closure devices made therefrom, and method of making such closure devices
WO2011006111A1 (en) 2009-07-09 2011-01-13 Union Carbide Chemicals & Plastics Technology Llc Enhanced condensed mode operation in method of producing polyofefins with chromium based catalysts
WO2011025742A1 (en) 2009-08-28 2011-03-03 Dow Global Technologies Inc. Rotational molded articles, and method of making the same
JP5596796B2 (ja) 2010-01-19 2014-09-24 ダウ グローバル テクノロジーズ エルエルシー インフレーションフィルム押出法に適したポリエチレン組成物のバブル安定性を改善する方法
US20130023177A1 (en) 2010-03-19 2013-01-24 Dow Blobal Technologies LLC Bicomponent fibers
EP2634296B1 (de) 2010-10-29 2015-12-02 Dow Global Technologies LLC Gereckte Bänder auf der Grundlage von Polyethylen und Verfahren zu deren Herstellung
BR112013028810B1 (pt) 2011-05-10 2020-11-24 Basell Polyolefine Gmbh Processo para homogeneizaqao e peletizaqao de uma composiçao de polietileno, uso de uma composiçao de polietileno obtida por tal processo e produtos preparados a partir de tal composiçao
MX343537B (es) 2011-05-27 2016-11-09 Dow Global Technologies Llc Una composicion de mezcla de polietileno teniendo una acumulacion de rodillo de enfriamiento reducida durante el proceso de extruccion.
CN103975099B (zh) 2011-10-05 2016-03-09 陶氏环球技术有限责任公司 双组分纤维以及由其制备的织物
US9089831B2 (en) 2011-10-25 2015-07-28 Chevron Phillips Chemical Company Lp System and method for blending polymers
ES2587740T3 (es) 2012-06-26 2016-10-26 Dow Global Technologies Llc Una composición mezcla de polietileno adecuada para películas sopladas y películas obtenidas a partir de la misma
WO2014058656A1 (en) 2012-10-12 2014-04-17 Dow Global Technologies Llc Polyolefin blend composition, and films made therefrom
MY172365A (en) 2012-10-12 2019-11-21 Dow Global Technologies Llc Linear low density compostion suitable for film applications and films made therefrom
JP2015533902A (ja) 2012-10-12 2015-11-26 ダウ グローバル テクノロジーズ エルエルシー シーラント組成物
ES2656502T3 (es) 2012-10-12 2018-02-27 Dow Global Technologies Llc Composición de mezcla de poliolefina
JP2015533901A (ja) 2012-10-12 2015-11-26 ダウ グローバル テクノロジーズ エルエルシー 延伸フィルム用途に適したポリエチレン組成物およびそれを生成する方法
MX2015007930A (es) 2012-12-17 2015-10-05 Dow Global Technologies Llc Una composicion de polietileno apta para aplicaciones de pelicula y peliculas hechas del mismo.
MX363375B (es) 2013-05-02 2019-03-21 Dow Global Technologies Llc Una composición de polietileno y artículos hechos de la misma.
CA2847628A1 (en) 2014-03-28 2015-09-28 Nova Chemicals Corporation Improved extrusion process
US9765164B2 (en) 2014-06-27 2017-09-19 Dow Global Technologies Llc Polyolefin compositions and uses thereof
WO2016081077A1 (en) 2014-11-19 2016-05-26 Exxonmobil Chemical Patents Inc. Structural element for gel reducing, as well as gel reducing apparatus and method
WO2016118566A1 (en) * 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for gel reduction in polyolefins
EP3054038A1 (de) 2015-02-06 2016-08-10 Dow Global Technologies LLC Kunstrasenfilamente und daraus hergestellte Artikel
EP3313899B1 (de) 2015-06-29 2021-12-22 SABIC Global Technologies B.V. Verwendung einer freien radikalen initiatoren zusammensetzung zur verminderung von gelen in polyethylenmaterialien
EP3173442A1 (de) 2015-11-27 2017-05-31 Borealis AG Halbleitende polyethylenzusammensetzung
EP3389984B1 (de) 2015-12-16 2021-12-15 ExxonMobil Chemical Patents Inc. Vorrichtung und verfahren zur verarbeitung von polyolefin-kunststoffen
US11383416B2 (en) 2015-12-16 2022-07-12 Exxonmobil Chemical Patents Inc. Devices, systems, and processes for processing polymers
ES2824925T3 (es) 2016-06-30 2021-05-13 Dow Global Technologies Llc Composiciones de procatalizador útiles para una baja incorporación de comonómeros y proceso para la preparación de las mismas
CN109563203A (zh) 2016-06-30 2019-04-02 陶氏环球技术有限责任公司 可用于低共聚单体掺入的前催化剂组合物及其制备方法
EP3327077A1 (de) 2016-11-24 2018-05-30 SABIC Global Technologies B.V. Verfahren oder verwendung zur herstellung von polyethylenmaterialien mit vermindertem gelgehalt
CN110461882B (zh) 2017-02-03 2021-12-14 埃克森美孚化学专利公司 制备聚乙烯聚合物的方法
US11492429B2 (en) 2020-06-05 2022-11-08 Formosa Plastics Corporation, U.S.A. Long-chain branched ethylene copolymer with novel composition distribution and films formed from the same
CN112706431B (zh) * 2020-12-09 2022-09-13 北方华锦化学工业股份有限公司 一种降低abs不良品发生率的方法
BR112023022376A2 (pt) 2021-05-19 2024-01-09 Dow Global Technologies Llc Composição de polietileno, e, artigo moldado
EP4341345A1 (de) 2021-05-19 2024-03-27 Dow Global Technologies LLC Hochdichte polyethylenzusammensetzungen mit verbesserter verarbeitbarkeit und daraus hergestellte formkörper

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334783A (en) 1978-12-21 1982-06-15 Showa Denko Kabushiki Kaisha Mixing device
JPS5610506A (en) * 1979-07-09 1981-02-03 Mitsui Petrochem Ind Ltd Production of ethylene polymer composition
US4661249A (en) 1985-01-28 1987-04-28 Metallurgical Industries, Inc. Prefilter device for polymeric material
US4681721A (en) 1985-11-06 1987-07-21 Mobil Oil Corporation Thermoplastic film extrusion process employing die with filtering arrangement
US4814135A (en) * 1987-12-22 1989-03-21 Union Carbide Corporation Process for extrusion
US5047468A (en) * 1988-11-16 1991-09-10 Union Carbide Chemicals And Plastics Technology Corporation Process for the in situ blending of polymers
US5284613A (en) * 1992-09-04 1994-02-08 Mobil Oil Corporation Producing blown film and blends from bimodal high density high molecular weight film resin using magnesium oxide-supported Ziegler catalyst
FI98819C (fi) * 1993-03-26 1997-08-25 Borealis Polymers Oy Prosessi olefiinipolymeerien valmistamiseksi ja prosessilla valmistetut tuotteet
US5414034A (en) 1993-03-29 1995-05-09 General Electric Company Processing stabilizer formulations
US5849231A (en) 1993-03-29 1998-12-15 General Electric Company Melt extrusion process
ATE176618T1 (de) 1993-06-16 1999-02-15 Union Carbide Chem Plastic Vorrichtung und verfahren zum kontinuierlichen pelletisieren von thermoplastischen kunststoffen
JP3390446B2 (ja) * 1993-10-21 2003-03-24 モービル・オイル・コーポレーション 高分子量成分及び低分子量成分を含む樹脂組成物
US5631069A (en) * 1994-05-09 1997-05-20 The Dow Chemical Company Medium modulus molded material comprising substantially linear polyethlene and fabrication method
US5514455A (en) * 1994-07-08 1996-05-07 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from an in situ blend of ethylene copolymers
IL115911A0 (en) 1994-11-14 1996-01-31 Dow Chemical Co Extrusion compositions having high drawdown and substantially reduced neck-in

Also Published As

Publication number Publication date
EP0848036B1 (de) 2002-03-06
US6485662B1 (en) 2002-11-26
ATE214080T1 (de) 2002-03-15
JP3830643B2 (ja) 2006-10-04
DE69710856D1 (de) 2002-04-11
EP0848036A1 (de) 1998-06-17
JPH10158411A (ja) 1998-06-16
ES2169840T3 (es) 2002-07-16

Similar Documents

Publication Publication Date Title
DE69710856T2 (de) Verfahren zur Herstellung einer simulierten in situ Polyethylenmischung
ATE206722T1 (de) Ethylen-alpha-olefincopolymer und zusammensetzung,filme, verbundmaterialien und elektrisch isolierende materialien, die dieses enthalten
DE3784152T2 (de) Harz mit hohem brechungsindex, verfahren zu seiner herstellung und optische materialien aus diesem harz.
DE69312094T2 (de) Zusammengesetzte faser aus vermischten glasfasern und polytetrafluoroethylen und verfahren zu ihrer herstellung
AU564159B2 (en) Method of producing fibre reinforced composition
ES8502461A1 (es) Procedimiento de obtencion de composiciones de polimeros termoplasticos reforzadas con fibra
SE8406114L (sv) Process for framstellning av folie med porer
EP0227010A3 (de) Zusammensetzung und Verfahren zum Schmelzspinnen von Filamenten
EP0376653A3 (de) Verfahren zum Herstellen von Polyester-, Polykarbonat- oder Polyamidteilchen ohne Zerreibung, die so erhaltenen Teilchen und ihre Anwendung
DE69229395T2 (de) Verfahren zur herstellung von polymerzusammensetzungen
GB9623122D0 (en) Polyarylene sulfide melt blowing methods and products
EP0771854A3 (de) Kristalline, thermoplastische Kunststoffzusammensetzung
DE69202057D1 (de) Durch nassverfahren hergestellte bahn und ihre verwendung.
JPS6436631A (en) Filler composition for resin
ATE51885T1 (de) Loesungsmittelzusammensetzungen zur herstellung von bitumenueberzugsmittel sowie unter deren verwendung hergestellte polymerloesungen und bitumenueberzugsmittel.
DE69324639D1 (de) Polymermischung mit hoher Brennstoffbeständigkeit
JPS57101022A (en) Polyester fiber having improved dimensional stability
KR927003697A (ko) 폴리아세탈 수지 조성물의 구조 및 이의 제조방법
KR910004732A (ko) 열가소성 수지계성형조성물
JPS5739216A (en) Flame retardant composite fiber and its preparation
JPS56155637A (en) Production of brick composed of granular active agent
JPS6449622A (en) Resin foaming particle containing crosslinked polyolefin-based resin and manufacture thereof
JPS57182343A (en) Glass fiber reinforced polypropylene composition
DE69117485D1 (de) Strukturierte Polyacetalharzzusammensetzung sowie Verfahren zu ihrer Herstellung
JPS5755938A (en) Photolysis-promoting cellulose acetate composition