NL8600144A - Werkwijze voor het zuiveren van een thermoplastisch polymeer. - Google Patents

Werkwijze voor het zuiveren van een thermoplastisch polymeer. Download PDF

Info

Publication number
NL8600144A
NL8600144A NL8600144A NL8600144A NL8600144A NL 8600144 A NL8600144 A NL 8600144A NL 8600144 A NL8600144 A NL 8600144A NL 8600144 A NL8600144 A NL 8600144A NL 8600144 A NL8600144 A NL 8600144A
Authority
NL
Netherlands
Prior art keywords
gas
polymer
extruder
pressure
gas mixture
Prior art date
Application number
NL8600144A
Other languages
English (en)
Dutch (nl)
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Priority to NL8600144A priority Critical patent/NL8600144A/nl
Priority to EP87200094A priority patent/EP0233661A1/en
Priority to AU67970/87A priority patent/AU6797087A/en
Priority to JP62012619A priority patent/JPS62172003A/ja
Priority to BR8701089A priority patent/BR8701089A/pt
Publication of NL8600144A publication Critical patent/NL8600144A/nl

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
    • B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
    • B29B7/847—Removing of gaseous components before or after mixing
    • 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
    • B29C48/03—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
    • B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
NL8600144A 1986-01-23 1986-01-23 Werkwijze voor het zuiveren van een thermoplastisch polymeer. NL8600144A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL8600144A NL8600144A (nl) 1986-01-23 1986-01-23 Werkwijze voor het zuiveren van een thermoplastisch polymeer.
EP87200094A EP0233661A1 (en) 1986-01-23 1987-01-22 Process for purifying a thermoplastic polymer
AU67970/87A AU6797087A (en) 1986-01-23 1987-01-23 Purifying polymers by gas extraction in an extruder
JP62012619A JPS62172003A (ja) 1986-01-23 1987-01-23 熱可塑性ポリマ−の精製法
BR8701089A BR8701089A (pt) 1986-01-23 1987-03-10 Processo para purificacao de um polimero termoplastico

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL8600144A NL8600144A (nl) 1986-01-23 1986-01-23 Werkwijze voor het zuiveren van een thermoplastisch polymeer.
NL8600144 1986-01-23
BR8701089 1987-03-10
BR8701089A BR8701089A (pt) 1986-01-23 1987-03-10 Processo para purificacao de um polimero termoplastico

Publications (1)

Publication Number Publication Date
NL8600144A true NL8600144A (nl) 1987-08-17

Family

ID=25664178

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8600144A NL8600144A (nl) 1986-01-23 1986-01-23 Werkwijze voor het zuiveren van een thermoplastisch polymeer.

Country Status (5)

Country Link
EP (1) EP0233661A1 (ja)
JP (1) JPS62172003A (ja)
AU (1) AU6797087A (ja)
BR (1) BR8701089A (ja)
NL (1) NL8600144A (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958006A (en) * 1988-06-28 1990-09-18 Union Carbide Chemicals And Plastics Inc. Fluidized bed product discharge process
US5237048A (en) * 1988-09-22 1993-08-17 Toyo Engineering Corporation Method for purifying polymer
JPH0286604A (ja) * 1988-09-22 1990-03-27 Toyo Eng Corp 重合体の精製方法
DE3840293A1 (de) * 1988-11-30 1990-05-31 Werner & Pfleiderer Verfahren zum entfernen von verunreinigungen aus polymeren kunststoffen und vorrichtung zur durchfuehrung des verfahrens
JPH02169603A (ja) * 1988-12-23 1990-06-29 Toyo Eng Corp 重合体分散液の精製方法
JPH03273006A (ja) * 1990-03-22 1991-12-04 Toyo Eng Corp 重合体の精製方法
DE19505680C1 (de) * 1995-02-20 1996-05-23 Inventa Ag Kondensations-Spritzgußverfahren zur Herstellung von Flaschenvorformlingen aus Polyethylenterephthalat und/oder seinen Copolyestern sowie nach diesem Verfahren herstellbare Vorformlinge
US6369192B1 (en) * 1995-10-27 2002-04-09 Praxair Technology, Inc. Methods for removing contaminants from polymers
US5691445A (en) * 1996-03-28 1997-11-25 Novacor Chemicals (International) S.A. Devolatilization
GB2311992A (en) 1996-04-10 1997-10-15 Bespak Plc A method of cleaning or purifying elastomers and elastomeric articles which are intended for medical or pharmaceutical uses
DE102004002159A1 (de) * 2004-01-15 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Reinigung von Polymeren, insbesondere Kunststoffrezyklaten
WO2006022385A1 (ja) * 2004-08-26 2006-03-02 Daikin Industries, Ltd. 含フッ素ポリマー精製方法、含フッ素ポリマー製造方法及び含フッ素エラストマー
WO2022128167A1 (en) 2020-12-18 2022-06-23 Agiplast Italia Srl Process for exracting hydrocarbons from a polyamide -associated polyamides uses and products
DE102022124540A1 (de) 2022-09-23 2024-03-28 SKZ - KFE gGmbH Verfahren und Vorrichtung zur Entfernung von volatilen Störstoffen aus Kunststoffabfällen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683511A (en) * 1970-09-04 1972-08-15 Firestone Tire & Rubber Co Method of removing volatiles from an elastomer
US3799234A (en) * 1971-02-22 1974-03-26 Welding Engineers Countercurrent vapor stripping in screw devolatilizer
GB1590532A (en) * 1976-08-04 1981-06-03 Exxon Research Engineering Co Elastomer extrusion drying with gas injection
US4198265A (en) * 1977-11-30 1980-04-15 The Firestone Tire & Rubber Company Method of removing volatiles from an elastomer
NL8102930A (nl) * 1981-06-17 1983-01-17 Stamicarbon Werkwijze voor het bereiden van polymeersmelten die vrijwel vrij zijn van vluchtige bestanddelen.
DE3323940A1 (de) * 1983-07-02 1985-01-10 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von polymeren
NL8303942A (nl) * 1983-11-17 1985-06-17 Stamicarbon Werkwijze voor de zuivering van een rubber.

Also Published As

Publication number Publication date
EP0233661A1 (en) 1987-08-26
AU6797087A (en) 1987-07-30
JPS62172003A (ja) 1987-07-29
BR8701089A (pt) 1988-09-13

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BV The patent application has lapsed