BE883702A - METHOD AND APPARATUS FOR REMOVING VOLATILE SUBSTANCES FROM EXTRUDABLE POLYMERIC MATERIAL - Google Patents

METHOD AND APPARATUS FOR REMOVING VOLATILE SUBSTANCES FROM EXTRUDABLE POLYMERIC MATERIAL

Info

Publication number
BE883702A
BE883702A BE0/200944A BE200944A BE883702A BE 883702 A BE883702 A BE 883702A BE 0/200944 A BE0/200944 A BE 0/200944A BE 200944 A BE200944 A BE 200944A BE 883702 A BE883702 A BE 883702A
Authority
BE
Belgium
Prior art keywords
polymeric material
volatile substances
removing volatile
extrudable polymeric
extrudable
Prior art date
Application number
BE0/200944A
Other languages
French (fr)
Inventor
A Saxena
Original Assignee
Polysar Ltd
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 Polysar Ltd filed Critical Polysar Ltd
Publication of BE883702A publication Critical patent/BE883702A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
    • F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • 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
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in 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
    • B29C48/03—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
    • B29C48/04—Particle-shaped
BE0/200944A 1979-06-08 1980-06-06 METHOD AND APPARATUS FOR REMOVING VOLATILE SUBSTANCES FROM EXTRUDABLE POLYMERIC MATERIAL BE883702A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4690879A 1979-06-08 1979-06-08

Publications (1)

Publication Number Publication Date
BE883702A true BE883702A (en) 1980-12-08

Family

ID=21946038

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/200944A BE883702A (en) 1979-06-08 1980-06-06 METHOD AND APPARATUS FOR REMOVING VOLATILE SUBSTANCES FROM EXTRUDABLE POLYMERIC MATERIAL

Country Status (4)

Country Link
JP (1) JPS5638244A (en)
BE (1) BE883702A (en)
CA (1) CA1138612A (en)
FR (1) FR2458383A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615781B1 (en) * 1987-05-26 1989-07-28 Biomass Dev Sa IMPROVED COMPRESSION HEAD FOR A CONTINUOUS DENSIFYING MACHINE FOR PLANT MATERIALS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1132898A (en) * 1965-08-13 1968-11-06 Werner & Pfleiderer Multi-stage screw treatment device
DE2027564A1 (en) * 1969-06-05 1970-12-10 International Basic Economy Corp., New York, N.Y. (V.St.A.) Method and apparatus for removing liquid from a polymer material
DE2120601B2 (en) * 1971-04-27 1973-08-09 Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal METHOD AND DEVICE FOR PROCESSING AND DEGASSING THERMALLY SENSITIVE POWDERED THERMOPLASTICS

Also Published As

Publication number Publication date
FR2458383B1 (en) 1983-12-23
CA1138612A (en) 1983-01-04
JPS5638244A (en) 1981-04-13
FR2458383A1 (en) 1981-01-02

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: POLYSAR LTD

Effective date: 19980630