DE69710856D1 - Verfahren zur Herstellung einer simulierten in situ Polyethylenmischung - Google Patents

Verfahren zur Herstellung einer simulierten in situ Polyethylenmischung

Info

Publication number
DE69710856D1
DE69710856D1 DE69710856T DE69710856T DE69710856D1 DE 69710856 D1 DE69710856 D1 DE 69710856D1 DE 69710856 T DE69710856 T DE 69710856T DE 69710856 T DE69710856 T DE 69710856T DE 69710856 D1 DE69710856 D1 DE 69710856D1
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
DE69710856T2 (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 true DE69710856D1 (de) 2002-04-11
DE69710856T2 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)

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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
CA2645508C (en) 2006-03-10 2014-09-23 Dow Global Technologies Inc. Polyethylene resins for sheet and thermoforming applications
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RU2011135979A (ru) 2009-01-30 2013-03-10 ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи Композиции полиэтилена высокой плотности, способ их получения, изготовленные из них укупоривающие изделия и способ изготовления таких укупоривающих изделий
EP2451848A1 (de) * 2009-07-09 2012-05-16 Union Carbide Chemicals & Plastics Technology LLC Verbesserter betrieb im kondensationsmodus bei einem verfahren zur polyolefinherstellung mit katalsatoren auf chrombasis
WO2011025742A1 (en) 2009-08-28 2011-03-03 Dow Global Technologies Inc. Rotational molded articles, and method of making the same
SG10201503061VA (en) 2010-01-19 2015-06-29 Dow Global Technologies Llc Formerly Known As Dow Global Technologies Inc Method for improving the bubble stability of a polyethylene composition suitable for blown film extrusion process
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US9089831B2 (en) 2011-10-25 2015-07-28 Chevron Phillips Chemical Company Lp System and method for blending polymers
MX357214B (es) 2012-06-26 2018-06-29 Dow Global Technologies Llc Una composicion de mezcla de polietileno adecuada para peliculas sopladas y peliculas fabricadas a partir de la misma.
WO2014058656A1 (en) 2012-10-12 2014-04-17 Dow Global Technologies Llc Polyolefin blend composition, and films made therefrom
US20150259445A1 (en) 2012-10-12 2015-09-17 Dow Global Technologies Llc Linear low density composition suitable for film applications and films made therefrom
US20150240000A1 (en) 2012-10-12 2015-08-27 Dow Global Technologies Llc Polyethylene composition suitable for stretch film applications, and method of producing the same
US9273219B2 (en) 2012-10-12 2016-03-01 Dow Global Technologies Llc Polyolefin blend composition
PL2906627T3 (pl) 2012-10-12 2017-12-29 Dow Global Technologies Llc Kompozycja uszczelniająca
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.
BR112015026566A2 (pt) 2013-05-02 2017-07-25 Dow Global Technologies Llc composição de polietileno, artigo e película
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
CN107107433B (zh) * 2015-01-21 2019-09-13 尤尼威蒂恩技术有限责任公司 用于聚烯烃中的凝胶减少的方法
EP3054038A1 (de) 2015-02-06 2016-08-10 Dow Global Technologies LLC Kunstrasenfilamente und daraus hergestellte Artikel
US20180186988A1 (en) 2015-06-29 2018-07-05 Sabic Global Technologies B.V. Use of a free radical initiator composition for the reduction of gels in polyethylene materials
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
WO2017105633A1 (en) 2015-12-16 2017-06-22 Exxonmobil Chemical Patents Inc. Device and process for processing polymers
US20190322774A1 (en) 2016-06-30 2019-10-24 Dow Global Technologies Llc Procatalyst compositions useful for low comonomer incorporation and process for preparing the same
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
EP3327077A1 (de) 2016-11-24 2018-05-30 SABIC Global Technologies B.V. Verfahren oder verwendung zur herstellung von polyethylenmaterialien mit vermindertem gelgehalt
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Also Published As

Publication number Publication date
ATE214080T1 (de) 2002-03-15
US6485662B1 (en) 2002-11-26
EP0848036B1 (de) 2002-03-06
DE69710856T2 (de) 2002-07-18
JPH10158411A (ja) 1998-06-16
EP0848036A1 (de) 1998-06-17
ES2169840T3 (es) 2002-07-16
JP3830643B2 (ja) 2006-10-04

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