DE69622665D1 - Verfahren zur herstellung von polyolefinlösungen - Google Patents

Verfahren zur herstellung von polyolefinlösungen

Info

Publication number
DE69622665D1
DE69622665D1 DE69622665T DE69622665T DE69622665D1 DE 69622665 D1 DE69622665 D1 DE 69622665D1 DE 69622665 T DE69622665 T DE 69622665T DE 69622665 T DE69622665 T DE 69622665T DE 69622665 D1 DE69622665 D1 DE 69622665D1
Authority
DE
Germany
Prior art keywords
producing polyolefin
polyolefin solutions
solutions
producing
polyolefin
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
DE69622665T
Other languages
English (en)
Other versions
DE69622665T2 (de
Inventor
Tetsuro Nogata
Kotaro Takita
Kenji Miyasaka
Koichi Kono
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.)
Toray Battery Separator Film Co Ltd
Original Assignee
Tonen Sekiyu Kagaku KK
Tonen Chemical Corp
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 Tonen Sekiyu Kagaku KK, Tonen Chemical Corp filed Critical Tonen Sekiyu Kagaku KK
Publication of DE69622665D1 publication Critical patent/DE69622665D1/de
Application granted granted Critical
Publication of DE69622665T2 publication Critical patent/DE69622665T2/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
    • 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
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin 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
    • B29C48/505—Screws
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
DE69622665T 1995-03-08 1996-03-07 Verfahren zur herstellung von polyolefinlösungen Expired - Lifetime DE69622665T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7077230A JPH08245799A (ja) 1995-03-08 1995-03-08 ポリオレフィン溶液の製造方法
PCT/JP1996/000564 WO1996027631A1 (en) 1995-03-08 1996-03-07 Process for producing polyolefin solution

Publications (2)

Publication Number Publication Date
DE69622665D1 true DE69622665D1 (de) 2002-09-05
DE69622665T2 DE69622665T2 (de) 2003-04-03

Family

ID=13628066

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69622665T Expired - Lifetime DE69622665T2 (de) 1995-03-08 1996-03-07 Verfahren zur herstellung von polyolefinlösungen

Country Status (5)

Country Link
US (1) US5741848A (de)
EP (1) EP0774481B1 (de)
JP (1) JPH08245799A (de)
DE (1) DE69622665T2 (de)
WO (1) WO1996027631A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5861374A (en) * 1991-02-28 1999-01-19 Novo Nordisk A/S Modified Factor VII
ITTO20020578A1 (it) * 2002-07-03 2004-01-05 Maris Spa Flli Procedimento di produzione in continuo di una composizione comprendente gomma resina idrocarbonica e solvente
US7271209B2 (en) 2002-08-12 2007-09-18 Exxonmobil Chemical Patents Inc. Fibers and nonwovens from plasticized polyolefin compositions
US7795366B2 (en) * 2002-08-12 2010-09-14 Exxonmobil Chemical Patents Inc. Modified polyethylene compositions
US8192813B2 (en) * 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
ITTO20030764A1 (it) 2003-10-01 2005-04-02 Maris Flli Spa Procedimento perfezionato di produzione in continuo di
EP1650251A1 (de) * 2004-10-22 2006-04-26 Teijin Twaron B.V. Verfahren zum Lösen von PPTA in Schwefelsäure unter Verwendung eines Doppelschrauben-Extruders
US10615388B2 (en) 2006-03-22 2020-04-07 Celgard, Llc Membrane made of a blend of UHMW polyolefins
EP2080824B1 (de) * 2006-11-08 2010-08-18 HU, Panpan Verfahren zur herstellung von fasern aus polyethylen mit ultrahohem molekulargewicht
JP5845595B2 (ja) * 2010-03-08 2016-01-20 住友化学株式会社 エチレン系重合体ペレットおよび該ペレットを用いる押出成形方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA957473A (en) * 1970-10-28 1974-11-12 E. I. Du Pont De Nemours And Company Process for continuously extruding crosslinkable polyethylene compositions
US3799234A (en) * 1971-02-22 1974-03-26 Welding Engineers Countercurrent vapor stripping in screw devolatilizer
US4028302A (en) * 1975-10-07 1977-06-07 E. I. Du Pont De Nemours And Company Process for preparing concentrated acrylonitrile polymer solutions
JPS562149A (en) * 1979-06-19 1981-01-10 Mitsubishi Petrochem Co Ltd Continuous manufacture of aqueous dispersion of olefin resin
EP0183285B1 (de) * 1984-09-28 1990-04-11 Stamicarbon B.V. Verfahren zur kontinuierlichen Herstellung von homogenen Lösungen von hochmolekularen Polymeren
NL8402961A (nl) * 1984-09-28 1986-04-16 Stamicarbon Werkwijze voor het bereiden van hoogverstrekbare polymere gelvoorwerpen.
JPS61143439A (ja) * 1984-12-17 1986-07-01 Kuraray Co Ltd 高分子量ポリマ−原液の連続調製法
US4886279A (en) * 1988-09-15 1989-12-12 Taylor William A Circular chess/checkers board method of play
JPH08109268A (ja) * 1994-10-07 1996-04-30 Tonen Chem Corp ポリオレフィン溶液の製造方法
JPH08120093A (ja) * 1994-10-19 1996-05-14 Tonen Chem Corp ポリオレフィン溶液の製造方法

Also Published As

Publication number Publication date
EP0774481A4 (de) 1998-07-08
JPH08245799A (ja) 1996-09-24
US5741848A (en) 1998-04-21
DE69622665T2 (de) 2003-04-03
EP0774481A1 (de) 1997-05-21
EP0774481B1 (de) 2002-07-31
WO1996027631A1 (en) 1996-09-12

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