ATE91457T1 - Verfahren und vorrichtung zur herstellung verschleissfester und schockzaeher extrudate aus ultrahochmolekularem polyethylen. - Google Patents

Verfahren und vorrichtung zur herstellung verschleissfester und schockzaeher extrudate aus ultrahochmolekularem polyethylen.

Info

Publication number
ATE91457T1
ATE91457T1 AT90108209T AT90108209T ATE91457T1 AT E91457 T1 ATE91457 T1 AT E91457T1 AT 90108209 T AT90108209 T AT 90108209T AT 90108209 T AT90108209 T AT 90108209T AT E91457 T1 ATE91457 T1 AT E91457T1
Authority
AT
Austria
Prior art keywords
high molecular
extrudates
resistant
manufacture
zone
Prior art date
Application number
AT90108209T
Other languages
German (de)
English (en)
Inventor
Peter Bauer
Rainer Dr Konrad
Herbert Morgenstern
Horst Dr Schuch
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of ATE91457T1 publication Critical patent/ATE91457T1/de

Links

Classifications

    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/64—Screws with two or more threads
    • B29C48/645—Screws with two or more threads neighbouring threads and channels having identical configurations
    • 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
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
    • B29C48/797—Cooling
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0088—Molecular weight

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
AT90108209T 1989-05-12 1990-04-30 Verfahren und vorrichtung zur herstellung verschleissfester und schockzaeher extrudate aus ultrahochmolekularem polyethylen. ATE91457T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3915603A DE3915603C1 (enExample) 1989-05-12 1989-05-12
EP90108209A EP0397004B1 (de) 1989-05-12 1990-04-30 Verfahren und Vorrichtung zur Herstellung verschleissfester und schockzäher Extrudate aus ultrahochmolekularem Polyethylen

Publications (1)

Publication Number Publication Date
ATE91457T1 true ATE91457T1 (de) 1993-07-15

Family

ID=6380558

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90108209T ATE91457T1 (de) 1989-05-12 1990-04-30 Verfahren und vorrichtung zur herstellung verschleissfester und schockzaeher extrudate aus ultrahochmolekularem polyethylen.

Country Status (5)

Country Link
US (1) US5063016A (enExample)
EP (1) EP0397004B1 (enExample)
JP (1) JPH0363118A (enExample)
AT (1) ATE91457T1 (enExample)
DE (2) DE3915603C1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW254883B (enExample) * 1991-04-03 1995-08-21 Mitsui Petroleum Chemicals Ind
DE4232988A1 (de) * 1992-10-01 1994-04-07 Hoechst Ag Verfahren und Vorrichtung zur Herstellung von Extrudaten aus ultrahochmolekularem Polyethylen
JP3499059B2 (ja) * 1995-08-25 2004-02-23 株式会社ブリヂストン 押出し機用スクリュー
JP4678521B2 (ja) * 2006-03-20 2011-04-27 富士フイルム株式会社 熱可塑性樹脂フィルムの製造方法
US8074596B2 (en) * 2007-04-30 2011-12-13 Corning Cable Systems Llc Apparatus for forming a sheath over an elongate member, extruder system and method of manufacturing a fiber optic cable
CA2843392C (en) * 2014-02-19 2020-08-25 Redetec Inc. Apparatus for extruding plastic materials
CN104999644A (zh) * 2014-04-17 2015-10-28 奥卓海（上海）机械有限公司 超高分子量聚乙烯纯料管材生产工艺及其铸造机
WO2018114702A1 (de) * 2016-12-21 2018-06-28 Basf Se Einwellenextruder und verwendung eines einwellenextruders sowie verfahren zum ändern einer morphologie eines superabsorbierenden polymers, nämlich eines sap-polymergels, mit einem einwellenextruder
US11090848B2 (en) * 2019-03-29 2021-08-17 Toray Plastics (America), Inc. Liquid injection barrel element for barrel extruder
EP3848178B1 (de) * 2020-01-08 2022-03-09 Novoplast Schlauchtechnik GmbH Verfahren zur herstellung von kunststoffschläuchen
DE102023004385A1 (de) * 2023-11-02 2025-05-08 NOWOFOL Kunststoffprodukte GmbH & Co. Kommanditgesellschaft Verfahren zur Herstellung einer Folie aus Polyethylen mit ultrahohem Molekulargewicht mittels Extrusion
CN119116318B (zh) * 2024-09-11 2025-10-21 杭州电缆股份有限公司 一种阻燃聚乙烯护套高速挤出工艺

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH361664A (de) * 1957-11-22 1962-04-30 Algemene Kunstzijde Unie Nv Verfahren und Einrichtung zur kontinuierlichen Herstellung von massiven und hohlen länglichen Gegenständen aus thermoplastischen Kunststoffen sowie mit Hilfe dieses Verfahrens hergestellter Gegenstand
US3650652A (en) * 1970-05-05 1972-03-21 Feed Screws Inc Apparatus for extruding plastic material
DE2346032A1 (de) * 1973-09-10 1975-03-20 Siemens Ag Schneckenpresse mit verbessertem einzugverhalten
US4249877A (en) * 1979-03-26 1981-02-10 Machen James F High-speed direct-drive extruder
JPS59133031A (ja) * 1983-01-21 1984-07-31 Mitsui Petrochem Ind Ltd スクリユ−押出機
US4518552A (en) * 1983-11-09 1985-05-21 Mitsuboshi Belting Ltd. Method of producing accurately sized material of ultra high molecular weight polyethylene
JPS60245898A (ja) * 1984-05-22 1985-12-05 Mitsui Petrochem Ind Ltd 超高分子量ポリエチレン製フレキシブルチユ−ブ、溶融流動性の悪い熱可塑性樹脂製チユ−ブの製造方法及びその製造装置
EP0190878B1 (en) * 1985-01-29 1992-08-12 Mitsui Petrochemical Industries, Ltd. Extruded stretched filament of ultra-high-molecular-weight polyethylene and production method and apparatus thereof
US4733970A (en) * 1985-09-09 1988-03-29 Sterling Extruder Corporation Extruder screw
JPH0657420B2 (ja) * 1985-09-27 1994-08-03 三菱化成株式会社 超高分子量ポリオレフイン押出成形品の製造方法
DD261051A3 (de) * 1986-04-01 1988-10-19 Schwerin Plastmaschinen Extruder zur verarbeitung von niedrigviskosen kunststoffen mit quasi-newtonschem fliessverhalten
DE3644521A1 (de) * 1986-12-24 1988-07-14 Ruhrchemie Ag Verfahren zum extrudieren von ultrahochmolekularem polyethylen

Also Published As

Publication number Publication date
EP0397004A3 (de) 1991-05-15
EP0397004A2 (de) 1990-11-14
DE59001946D1 (de) 1993-08-19
US5063016A (en) 1991-11-05
JPH0363118A (ja) 1991-03-19
EP0397004B1 (de) 1993-07-14
DE3915603C1 (enExample) 1990-03-15

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee