AU653478B2 - A process for melt blending high molecular weight ethylene polymer and low molecular weight ethylene polymer - Google Patents

A process for melt blending high molecular weight ethylene polymer and low molecular weight ethylene polymer Download PDF

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Publication number
AU653478B2
AU653478B2 AU44772/93A AU4477293A AU653478B2 AU 653478 B2 AU653478 B2 AU 653478B2 AU 44772/93 A AU44772/93 A AU 44772/93A AU 4477293 A AU4477293 A AU 4477293A AU 653478 B2 AU653478 B2 AU 653478B2
Authority
AU
Australia
Prior art keywords
molecular weight
polymer
low molecular
process according
poise
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.)
Ceased
Application number
AU44772/93A
Other languages
English (en)
Other versions
AU4477293A (en
Inventor
William Richard Coutant
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of AU4477293A publication Critical patent/AU4477293A/en
Application granted granted Critical
Publication of AU653478B2 publication Critical patent/AU653478B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/005—Processes for mixing polymers
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • 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
    • 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
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
AU44772/93A 1992-09-01 1993-08-20 A process for melt blending high molecular weight ethylene polymer and low molecular weight ethylene polymer Ceased AU653478B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93921292A 1992-09-01 1992-09-01
US939212 1992-09-01

Publications (2)

Publication Number Publication Date
AU4477293A AU4477293A (en) 1994-03-10
AU653478B2 true AU653478B2 (en) 1994-09-29

Family

ID=25472749

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44772/93A Ceased AU653478B2 (en) 1992-09-01 1993-08-20 A process for melt blending high molecular weight ethylene polymer and low molecular weight ethylene polymer

Country Status (8)

Country Link
EP (1) EP0588147A1 (2)
JP (1) JPH06182756A (2)
KR (1) KR940007092A (2)
CN (1) CN1084449A (2)
AU (1) AU653478B2 (2)
CA (1) CA2099750C (2)
NO (1) NO933102L (2)
TW (1) TW249239B (2)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993012540A1 (en) * 1991-12-10 1993-06-24 Vlsi Technology, Inc. Integrated circuit with variable pad pitch
US6403181B1 (en) * 1995-07-03 2002-06-11 Mobil Oil Corporation Premium pipe resins
SE506754C2 (sv) * 1996-10-09 1998-02-09 Borealis Polymers Oy Sätt för kompoundering av en multimodal polymerkomposition
US6031027A (en) * 1996-10-09 2000-02-29 Borealis Polymers Oy Method of compounding a multimodal polymer composition
EP0900650A4 (en) * 1996-11-08 2003-05-21 Toray Industries COMPOSITE MOLDED BODY AND COMPOSITION MADE OF POLYPHENYLENE SULFIDE RESIN
SE9802350D0 (sv) 1998-07-01 1998-07-01 Borealis As Mixing device
GB0508255D0 (en) 2005-04-25 2005-06-01 Lucite Int Uk Ltd Acrylic blends
JP4187112B2 (ja) * 2006-06-30 2008-11-26 株式会社トヨックス 合成樹脂ホースの製造方法
GB0711017D0 (en) 2007-06-08 2007-07-18 Lucite Int Uk Ltd Polymer Composition
US9404005B2 (en) * 2010-09-30 2016-08-02 Dow Global Technologies Llc Recyclable thermoplastic insulation with improved breakdown strength
LT3406666T (lt) 2017-09-22 2020-12-28 Total Research & Technology Feluy Nehomogeniško panaudoto polietileno kokybės pagerinimo būdas, sumaišant jį su grynu polietilenu, ir iš šių mišinių pagamintas gaminys
EP3688089A1 (en) * 2017-09-28 2020-08-05 ExxonMobil Chemical Patents Inc. Process for producing polymer compositions having multimodal molecular weight distribution
EP3749707A1 (en) 2018-02-05 2020-12-16 ExxonMobil Chemical Patents Inc. Enhanced processability of lldpe by addition of ultra-high molecular weight high density polyethylene
CN112662111B (zh) * 2020-12-21 2023-04-07 安徽瑞琦塑胶科技有限公司 一种增强聚乙烯管材料及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547551A (en) * 1982-06-22 1985-10-15 Phillips Petroleum Company Ethylene polymer blends and process for forming film
US4990204A (en) * 1987-10-27 1991-02-05 The Dow Chemical Company Improved spunbonding of linear polyethylenes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551352A1 (de) * 1975-11-15 1977-05-26 Basf Ag Verfahren zur herstellung von mischungen und loesungen aus stoffen stark unterschiedlicher viskositaeten in schneckenextrudern
JPS5846212B2 (ja) * 1979-05-18 1983-10-14 旭化成株式会社 ポリエチレン組成物

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547551A (en) * 1982-06-22 1985-10-15 Phillips Petroleum Company Ethylene polymer blends and process for forming film
US4990204A (en) * 1987-10-27 1991-02-05 The Dow Chemical Company Improved spunbonding of linear polyethylenes

Also Published As

Publication number Publication date
CA2099750C (en) 1996-05-07
AU4477293A (en) 1994-03-10
EP0588147A1 (en) 1994-03-23
NO933102L (no) 1994-03-02
CN1084449A (zh) 1994-03-30
KR940007092A (ko) 1994-04-26
TW249239B (2) 1995-06-11
NO933102D0 (no) 1993-08-31
JPH06182756A (ja) 1994-07-05
CA2099750A1 (en) 1994-03-02

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