DE2451886A1 - Verfahren zum entgasen von hygroskopischem kunstharzmaterial und entgasungsextruder zur durchfuehrung des verfahrens - Google Patents

Verfahren zum entgasen von hygroskopischem kunstharzmaterial und entgasungsextruder zur durchfuehrung des verfahrens

Info

Publication number
DE2451886A1
DE2451886A1 DE19742451886 DE2451886A DE2451886A1 DE 2451886 A1 DE2451886 A1 DE 2451886A1 DE 19742451886 DE19742451886 DE 19742451886 DE 2451886 A DE2451886 A DE 2451886A DE 2451886 A1 DE2451886 A1 DE 2451886A1
Authority
DE
Germany
Prior art keywords
zone
degassing
screw
pumping zone
pumping
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DE19742451886
Other languages
German (de)
English (en)
Inventor
George A Kruder
Russell H Nichols
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koehring Co
Original Assignee
Koehring Co
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 Koehring Co filed Critical Koehring Co
Publication of DE2451886A1 publication Critical patent/DE2451886A1/de
Pending legal-status Critical Current

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
    • B29C48/36—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
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • 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
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
    • B29B7/429—Screws
    • 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
    • B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
    • 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
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE19742451886 1974-06-07 1974-10-31 Verfahren zum entgasen von hygroskopischem kunstharzmaterial und entgasungsextruder zur durchfuehrung des verfahrens Pending DE2451886A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/477,370 US3992500A (en) 1974-06-07 1974-06-07 Vented extruder

Publications (1)

Publication Number Publication Date
DE2451886A1 true DE2451886A1 (de) 1975-12-18

Family

ID=23895641

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742451886 Pending DE2451886A1 (de) 1974-06-07 1974-10-31 Verfahren zum entgasen von hygroskopischem kunstharzmaterial und entgasungsextruder zur durchfuehrung des verfahrens

Country Status (5)

Country Link
US (1) US3992500A (US07489958-20090210-P00001.png)
CA (1) CA1041717A (US07489958-20090210-P00001.png)
DE (1) DE2451886A1 (US07489958-20090210-P00001.png)
FR (1) FR2273651A1 (US07489958-20090210-P00001.png)
GB (1) GB1452579A (US07489958-20090210-P00001.png)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110583A1 (en) * 1982-11-22 1984-06-13 Borg-Warner Chemicals Inc. Apparatus for separating a low viscosity material from a high viscosity material
DE3615098A1 (de) * 1985-05-08 1986-12-11 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Entgasungsschneckenstrangpresse
DE3744193C1 (de) * 1987-12-24 1989-01-26 Berstorff Gmbh Masch Hermann Verfahren und Extruder zum Entgasen thermoplastischer Kunststoffschmelzen ueber einen weiten Viskositaetsbereich
DE4009638A1 (de) * 1990-03-26 1991-10-02 Hoechst Ag Verfahren zur herstellung einer koextrudierten folie
DE4310966A1 (de) * 1993-04-03 1994-10-06 Krupp Maschinentechnik Verfahren zur Regelung des Massenstromes in den Zylindern eines Entgasungsextruders und Entgasungsextruder
US7420338B2 (en) 2000-06-19 2008-09-02 International Rectifier Corporation Ballast control IC with minimal internal and external components
DE102008048598A1 (de) * 2008-09-23 2010-03-25 Adm-Isobloc Gmbh Verfahren und Vorrichtung zum Entgasen eines Gemisches insbesondere aus polymeren Bindemitteln
DE202017103398U1 (de) 2017-06-06 2017-07-03 Kraussmaffei Technologies Gmbh Plastifiziereinheit mit Entgasungsfunktion
AT524680A4 (de) * 2021-03-25 2022-08-15 Gaw Tech Gmbh Vorrichtung und Verfahren zur Aufbereitung von Kunststoffabfällen

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112519A (en) * 1976-07-08 1978-09-05 Hpm Corporation Vented injection molding machine and method
US4143108A (en) * 1976-08-26 1979-03-06 Monsanto Company Method of injection molding nitrile articles
US4063717A (en) * 1977-02-01 1977-12-20 E. I. Du Pont De Nemours And Company Multivented twin-screw extruder
JPS5454172A (en) * 1977-10-07 1979-04-28 Kobe Steel Ltd Equipment for treting waste gas from injection molding machine
US4185060A (en) * 1978-03-17 1980-01-22 Ladney M Jr Method of manufacturing structural foam plastic products free from undesirable contaminant constituents
US4173445A (en) * 1978-07-17 1979-11-06 Monsanto Company Plastics extrusion apparatus
US4247519A (en) * 1978-12-04 1981-01-27 Kobe Steel, Ltd. Exhaust gas treatment device for injection molding machines
DE3248659A1 (de) * 1982-12-30 1984-07-05 Peroxid-Chemie GmbH, 8023 Höllriegelskreuth Entgasungseinrichtung an einem schnecken-extruder oder dergl.
US4491417A (en) * 1983-04-29 1985-01-01 Usm Corporation Devolatilizing mixing extruder
US4529320A (en) * 1983-09-14 1985-07-16 Usm Corporation Rotary processors and method for devolatilizing materials
US4529478A (en) * 1983-09-14 1985-07-16 Usm Corporation Rotary processors and vacuum systems
JPH01259922A (ja) * 1988-04-11 1989-10-17 Toshiba Mach Co Ltd ベント式射出成形機
JPH0667587B2 (ja) * 1988-05-12 1994-08-31 株式会社石中鉄工所 混練用回転スクリュの混練構造
DE3818003A1 (de) * 1988-05-27 1989-11-30 Kwm Kunststoffmaschinen Gmbh Vorrichtung zum kontinuierlichen entgasen eines gemisches aus polymeren bindemitteln und fuellstoffen und/oder fasern
JPH0676448B2 (ja) * 1988-06-25 1994-09-28 三菱レイヨン株式会社 改質されたメタクリル系樹脂成形材料の製造方法
DE69224242T2 (de) * 1991-03-04 1998-05-14 Dow Chemical Co Verfahren zur Verbesserung der oxidativen thermischen Stabilität von Ethylenpolymeren
US5468429A (en) * 1994-04-15 1995-11-21 Li; Tzu-Li Ultrasound-enhanced devolatilization of thermoplastic plastics
JP3104860B2 (ja) * 1996-12-27 2000-10-30 日精樹脂工業株式会社 射出スクリュ
US5980790A (en) * 1997-03-04 1999-11-09 Mitsubishi Gas Chemical Company, Inc. Process for producing a copolymer
US6164810A (en) * 1998-09-16 2000-12-26 Eastman Kodak Company Vented single stage barrier screw with a gas vent hole and axial bore in the screw for venting gases
DE19860836C1 (de) * 1998-12-30 2000-05-18 Haller Formholz Verfahren und Vorrichtung zum kontinuierlichen Herstellen von Formkörpern
US6280667B1 (en) 1999-04-19 2001-08-28 Andersen Corporation Process for making thermoplastic-biofiber composite materials and articles including a poly(vinylchloride) component
US7018574B2 (en) * 2003-02-20 2006-03-28 Idemitsu Kosan Co., Ltd. Process for removing volatile components in polyarylene sulfide
US7198840B2 (en) * 2003-02-25 2007-04-03 Polyone Corporation Profile-extruded poly(vinyl chloride) articles and method of making same
DE102004041689B4 (de) * 2004-08-27 2010-02-11 Kraussmaffei Berstorff Gmbh Vorrichtung zur Herstellung von Spritzgussteilen
KR101116667B1 (ko) * 2007-03-10 2012-03-08 쿨 옵션스, 인코포레이티드 금속 사출 성형을 위한 스크류 디자인 및 방법
US9931603B2 (en) * 2014-06-23 2018-04-03 Wenger Manufacturing, Inc. Method and apparatus for extrusion processing of high fiber content foods
US11339233B2 (en) 2017-09-15 2022-05-24 Geon Performance Solutions, Llc Flame retardant poly(vinyl chloride) compounds
CN108501244A (zh) * 2018-03-08 2018-09-07 江苏中宏环保科技有限公司 环保连续螺旋螺杆组合多功能橡胶复原设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023456A (en) * 1959-08-03 1962-03-06 Dow Chemical Co Extruder apparatus
CH420580A (de) * 1965-02-08 1966-09-15 Buss Ag Einrichtung zum Entgasen von plastischen Massen in Schneckenmaschinen
US3376603A (en) * 1966-05-20 1968-04-09 Lavorazione Mat Plast Apparatus for manufacturing synthetic textile fibers

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110583A1 (en) * 1982-11-22 1984-06-13 Borg-Warner Chemicals Inc. Apparatus for separating a low viscosity material from a high viscosity material
DE3615098A1 (de) * 1985-05-08 1986-12-11 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Entgasungsschneckenstrangpresse
DE3744193C1 (de) * 1987-12-24 1989-01-26 Berstorff Gmbh Masch Hermann Verfahren und Extruder zum Entgasen thermoplastischer Kunststoffschmelzen ueber einen weiten Viskositaetsbereich
DE4009638A1 (de) * 1990-03-26 1991-10-02 Hoechst Ag Verfahren zur herstellung einer koextrudierten folie
DE4009638C2 (de) * 1990-03-26 2000-11-09 Hoechst Ag Verfahren zur Herstellung einer koextrudierten Folie
DE4310966A1 (de) * 1993-04-03 1994-10-06 Krupp Maschinentechnik Verfahren zur Regelung des Massenstromes in den Zylindern eines Entgasungsextruders und Entgasungsextruder
US7420338B2 (en) 2000-06-19 2008-09-02 International Rectifier Corporation Ballast control IC with minimal internal and external components
US7723928B2 (en) 2000-06-19 2010-05-25 International Rectifier Corporation Ballast control IC with minimal internal and external components
DE102008048598A1 (de) * 2008-09-23 2010-03-25 Adm-Isobloc Gmbh Verfahren und Vorrichtung zum Entgasen eines Gemisches insbesondere aus polymeren Bindemitteln
EP2342061A2 (de) * 2008-09-23 2011-07-13 Adm-Isobloc GmbH Verfahren und vorrichtung zum entgasen eines gemisches insbesondere aus polymeren bindemitteln
EP2342061B1 (de) * 2008-09-23 2016-11-09 Adm-Isobloc GmbH Verfahren und vorrichtung zum entgasen eines gemisches insbesondere aus polymeren bindemitteln
DE202017103398U1 (de) 2017-06-06 2017-07-03 Kraussmaffei Technologies Gmbh Plastifiziereinheit mit Entgasungsfunktion
AT524680A4 (de) * 2021-03-25 2022-08-15 Gaw Tech Gmbh Vorrichtung und Verfahren zur Aufbereitung von Kunststoffabfällen
AT524680B1 (de) * 2021-03-25 2022-08-15 Gaw Tech Gmbh Vorrichtung und Verfahren zur Aufbereitung von Kunststoffabfällen

Also Published As

Publication number Publication date
CA1041717A (en) 1978-11-07
FR2273651B3 (US07489958-20090210-P00001.png) 1977-10-21
GB1452579A (en) 1976-10-13
US3992500A (en) 1976-11-16
FR2273651A1 (fr) 1976-01-02

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