NL7909213A - Werkwijze en inrichting voor de plunjer-extrusie van aromatische polyimide- en polyamideharsen en gevormde voortbrengsels gevormd onder toepassing van een dergelijke methode en inrichting. - Google Patents

Werkwijze en inrichting voor de plunjer-extrusie van aromatische polyimide- en polyamideharsen en gevormde voortbrengsels gevormd onder toepassing van een dergelijke methode en inrichting. Download PDF

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Publication number
NL7909213A
NL7909213A NL7909213A NL7909213A NL7909213A NL 7909213 A NL7909213 A NL 7909213A NL 7909213 A NL7909213 A NL 7909213A NL 7909213 A NL7909213 A NL 7909213A NL 7909213 A NL7909213 A NL 7909213A
Authority
NL
Netherlands
Prior art keywords
resin
zone
surface means
molded article
extrusion
Prior art date
Application number
NL7909213A
Other languages
English (en)
Dutch (nl)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NL7909213A publication Critical patent/NL7909213A/nl

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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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/06—Rod-shaped
    • 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
    • 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
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2927—Rod, strand, filament or fiber including structurally defined particulate matter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension
NL7909213A 1978-12-21 1979-12-20 Werkwijze en inrichting voor de plunjer-extrusie van aromatische polyimide- en polyamideharsen en gevormde voortbrengsels gevormd onder toepassing van een dergelijke methode en inrichting. NL7909213A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US97167578 1978-12-21
US05/971,675 US4238538A (en) 1978-12-21 1978-12-21 Method of and apparatus for ram-extrusion of aromatic polyimide and polyamide resins, and shaped articles formed using such method and apparatus

Publications (1)

Publication Number Publication Date
NL7909213A true NL7909213A (nl) 1980-06-24

Family

ID=25518681

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7909213A NL7909213A (nl) 1978-12-21 1979-12-20 Werkwijze en inrichting voor de plunjer-extrusie van aromatische polyimide- en polyamideharsen en gevormde voortbrengsels gevormd onder toepassing van een dergelijke methode en inrichting.

Country Status (8)

Country Link
US (1) US4238538A (de)
JP (1) JPS5586731A (de)
BE (1) BE880761A (de)
CA (1) CA1124025A (de)
DE (1) DE2951423A1 (de)
FR (1) FR2444557A1 (de)
GB (1) GB2036636B (de)
NL (1) NL7909213A (de)

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JPS59163422A (ja) * 1983-03-09 1984-09-14 Kashima Sekiyu Kk 石油系メソフエ−ズの紡糸法
US4621015A (en) * 1983-11-07 1986-11-04 Long John V Low density, modified polyimide foams and methods of making same
US4581264A (en) * 1984-03-30 1986-04-08 Standard Oil Company (Indiana) Process for extruding an article from an amide-imide copolymer and the resultant article
GB2156733B (en) * 1984-03-30 1987-10-28 Nat Res Dev Die drawing of tubular thermoplastics
EP0167020B1 (de) * 1984-06-30 1988-11-23 Akzo Patente GmbH Flexible Polyimid-Mehrschichtlaminate
DE3506526A1 (de) * 1985-02-25 1986-08-28 Akzo Gmbh, 5600 Wuppertal Gedrucktes schaltelement mit polyimid enthaltender deckschicht
DE3506524A1 (de) * 1985-02-25 1986-08-28 Akzo Gmbh, 5600 Wuppertal Flexible polyimid-mehrschichtlaminate
JPS6225030A (ja) * 1985-07-25 1987-02-03 Ube Ind Ltd ポリイミド粉末の連続成形法
JPS62134241A (ja) * 1985-12-06 1987-06-17 Ube Ind Ltd 芳香族ポリイミド均質多孔性成形体およびその連続成形法
FR2596692B1 (fr) * 1986-04-04 1988-09-09 Atochem Tubes en matiere plastique semi-cristalline extrudes presentant une resistance au choc a froid et a la traction amelioree par un traitement thermique et leur procede de fabrication
US4861537A (en) * 1987-09-03 1989-08-29 Hoechst Celanese Corporation Process of making a sintered polybenzimidazole article
JPH0239912A (ja) * 1988-07-29 1990-02-08 Teijin Ltd アラミド組成物の成形方法
US5066215A (en) * 1988-08-29 1991-11-19 Corning Incorporated Extrusion die for forming thin-walled honeycomb structures
US5069848A (en) * 1989-04-05 1991-12-03 Mitsui Toatsu Chemicals, Inc. Extrusion process of polyimide and polyimide pellet used for the process
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US5338827A (en) * 1990-01-30 1994-08-16 Trw Inc. Polyimide resins useful at high temperatures
US5432001A (en) * 1990-01-30 1995-07-11 Trw Inc. Concentrated prepolymer composition useful for forming polyimide articles
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US5177180A (en) * 1990-08-07 1993-01-05 General Electric Company High temperature mixed polyimides and composites formed therefrom
US5162492A (en) * 1990-10-11 1992-11-10 E. I. Du Pont De Nemours And Company Hydrolytically and oxidatively stable polyimides
AT395178B (de) * 1990-10-15 1992-10-12 Chemiefaser Lenzing Ag Schwer entflammbare, hochtemperaturbestaendige polyimidfasern, sowie verfahren zu ihrer herstellung
US5389412A (en) * 1991-07-31 1995-02-14 Gunze Limited Thermoplastic polyimide tubular film
US5179153A (en) * 1991-09-09 1993-01-12 E. I. Du Pont De Nemours And Company Wear resistant polyimide composition
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JPH05163360A (ja) * 1991-12-16 1993-06-29 Nitto Denko Corp 複合管状物
US5284904A (en) * 1993-05-27 1994-02-08 E. I. Du Pont De Nemours And Company Low thermal expansion polyimide compositions
US5399417A (en) * 1993-06-07 1995-03-21 E. I. Du Pont De Nemours And Company Cast metal-polymeric articles
US6024722A (en) * 1994-01-06 2000-02-15 Scimed Life Systems, Inc. Thermoplastic polyimide balloon catheter construction
JPH08173453A (ja) * 1994-12-27 1996-07-09 Ntn Corp ハンドピース用転がり軸受装置
US5688848A (en) * 1996-10-25 1997-11-18 General Electric Company Polyimide composition and polyimide composite
US20080149211A1 (en) * 2005-02-21 2008-06-26 I.S.T. Corporation Tubing and Process for Production Thereof
US20070155948A1 (en) * 2005-12-30 2007-07-05 Tadashi Ishibashi Multi-functional polyamic acids, and compositions and methods relating thereto
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Also Published As

Publication number Publication date
US4238538A (en) 1980-12-09
GB2036636B (en) 1982-12-22
CA1124025A (en) 1982-05-25
GB2036636A (en) 1980-07-02
DE2951423C2 (de) 1989-04-20
BE880761A (fr) 1980-06-20
JPS633732B2 (de) 1988-01-26
FR2444557A1 (fr) 1980-07-18
JPS5586731A (en) 1980-06-30
DE2951423A1 (de) 1980-07-10
FR2444557B1 (de) 1984-12-07

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed