BE809407A - Procede et dispositif pour entrainer par de la vapeur des constituants volatils a l'interieur d'une extrudeuse a vis. - Google Patents

Procede et dispositif pour entrainer par de la vapeur des constituants volatils a l'interieur d'une extrudeuse a vis.

Info

Publication number
BE809407A
BE809407A BE139529A BE139529A BE809407A BE 809407 A BE809407 A BE 809407A BE 139529 A BE139529 A BE 139529A BE 139529 A BE139529 A BE 139529A BE 809407 A BE809407 A BE 809407A
Authority
BE
Belgium
Prior art keywords
training
screw extruder
volatile constituents
steam inside
steam
Prior art date
Application number
BE139529A
Other languages
English (en)
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
Priority to US00117332A priority Critical patent/US3799234A/en
Priority claimed from US00117332A external-priority patent/US3799234A/en
Priority claimed from US401360A external-priority patent/US3917507A/en
Priority to GB5970373A priority patent/GB1431978A/en
Priority claimed from FR7347032A external-priority patent/FR2256025A1/fr
Application filed filed Critical
Priority to BE139529A priority patent/BE809407A/fr
Priority to DE2400271A priority patent/DE2400271C2/de
Publication of BE809407A publication Critical patent/BE809407A/fr

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
    • B29C48/80—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
    • B29C48/834—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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • 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
    • 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
    • B29C48/762—Vapour stripping
    • 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
    • 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
    • B29C48/82—Cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE139529A 1971-02-22 1974-01-04 Procede et dispositif pour entrainer par de la vapeur des constituants volatils a l'interieur d'une extrudeuse a vis. BE809407A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US00117332A US3799234A (en) 1971-02-22 1971-02-22 Countercurrent vapor stripping in screw devolatilizer
GB5970373A GB1431978A (en) 1971-02-22 1973-12-22 Process and apparatus for removing volatile components of materials
BE139529A BE809407A (fr) 1971-02-22 1974-01-04 Procede et dispositif pour entrainer par de la vapeur des constituants volatils a l'interieur d'une extrudeuse a vis.
DE2400271A DE2400271C2 (de) 1971-02-22 1974-01-04 Verfahren und Vorrichtung zum Austreiben von flüchtigen Komponenten aus in Extrusionsrichtung strömendem Kunststoff

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US00117332A US3799234A (en) 1971-02-22 1971-02-22 Countercurrent vapor stripping in screw devolatilizer
US401360A US3917507A (en) 1971-02-22 1973-09-27 Countercurrent combined liquid and vapor stripping in screw devolatilizer
GB5970373A GB1431978A (en) 1971-02-22 1973-12-22 Process and apparatus for removing volatile components of materials
FR7347032A FR2256025A1 (en) 1973-12-22 1973-12-28 Removal of volatile material from screw feed extruder - by injecting gas into high press. zone of plastic melt and removing it from low press. zone
BE139529A BE809407A (fr) 1971-02-22 1974-01-04 Procede et dispositif pour entrainer par de la vapeur des constituants volatils a l'interieur d'une extrudeuse a vis.
DE2400271A DE2400271C2 (de) 1971-02-22 1974-01-04 Verfahren und Vorrichtung zum Austreiben von flüchtigen Komponenten aus in Extrusionsrichtung strömendem Kunststoff

Publications (1)

Publication Number Publication Date
BE809407A true BE809407A (fr) 1974-05-02

Family

ID=27543003

Family Applications (1)

Application Number Title Priority Date Filing Date
BE139529A BE809407A (fr) 1971-02-22 1974-01-04 Procede et dispositif pour entrainer par de la vapeur des constituants volatils a l'interieur d'une extrudeuse a vis.

Country Status (2)

Country Link
BE (1) BE809407A (fr)
GB (1) GB1431978A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980105A (en) * 1989-08-28 1990-12-25 General Electric Company Method for extruder devolatilization of spiro(bis)indane polycarbonates
WO1999006197A1 (fr) * 1997-08-01 1999-02-11 Sedepro Melangeur en continu de caoutchouc
US6576131B1 (en) 1997-12-16 2003-06-10 Flint Ink Corporation Process and apparatus for changing the wetting agent of pigments
DE19854689A1 (de) * 1998-11-26 2000-06-08 Buehler Ag Verfahren und Vorrichtung zur Aufbereitung eines thermoplastischen Polykondensats
US6273599B1 (en) 1999-09-17 2001-08-14 Flint Ink Corporation Process for preparing pigment flush
WO2006023464A2 (fr) 2004-08-17 2006-03-02 Flint Group Incorporated Procede de preparation de dispersions de pigments organiques et d'encre
ITMI20082348A1 (it) * 2008-12-30 2010-06-30 Meccaniche Luigi Bander A S P A Costruzioni Processo ed apparecchiatura di estrusione di poliestere espanso impiegabile in impianti di produzione di foglie, lastre o tubi di poliestere espanso
FR3156666A1 (fr) * 2023-12-15 2025-06-20 Universite Claude Bernard Lyon 1 Dispositif de séparation

Also Published As

Publication number Publication date
GB1431978A (en) 1976-04-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WELDING ENGINEERS INC.

Effective date: 19900131