FR1081583A - Dispositif pour la production de corps poreux en matières thermoplastiques - Google Patents

Dispositif pour la production de corps poreux en matières thermoplastiques

Info

Publication number
FR1081583A
FR1081583A FR1081583DA FR1081583A FR 1081583 A FR1081583 A FR 1081583A FR 1081583D A FR1081583D A FR 1081583DA FR 1081583 A FR1081583 A FR 1081583A
Authority
FR
France
Prior art keywords
production
thermoplastic materials
porous bodies
porous
bodies
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.)
Expired
Application number
Other languages
English (en)
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.)
Isoleringsaktiebolaget Wmb
Original Assignee
Isoleringsaktiebolaget Wmb
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 Isoleringsaktiebolaget Wmb filed Critical Isoleringsaktiebolaget Wmb
Application granted granted Critical
Publication of FR1081583A publication Critical patent/FR1081583A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable 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
    • B29C48/25—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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • 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
FR1081583D 1952-07-26 1953-07-24 Dispositif pour la production de corps poreux en matières thermoplastiques Expired FR1081583A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE743364X 1952-07-26
US36825453A 1953-07-16 1953-07-16
US722114A US2987774A (en) 1952-07-26 1958-03-13 Method for producing porous bodies of thermoplastic materials

Publications (1)

Publication Number Publication Date
FR1081583A true FR1081583A (fr) 1954-12-21

Family

ID=32397784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081583D Expired FR1081583A (fr) 1952-07-26 1953-07-24 Dispositif pour la production de corps poreux en matières thermoplastiques

Country Status (3)

Country Link
US (1) US2987774A (fr)
FR (1) FR1081583A (fr)
GB (1) GB743364A (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838801A (en) * 1957-03-29 1958-06-17 Dow Chemical Co Process for making fire-resistant cellular vinyl aromatic polymer articles
US2860377A (en) * 1955-08-31 1958-11-18 Du Pont Method for extruding and foaming resin
US2928130A (en) * 1955-09-08 1960-03-15 Western Electric Co Methods for making cellular plastic products
US3020248A (en) * 1955-12-29 1962-02-06 Western Electric Co Method of making expandable plastic and preparation of cellular plastic therefrom
US3067147A (en) * 1957-08-28 1962-12-04 Dow Chemical Co Process of foaming and extruding polyethylene using 1, 2-dichlorotetrafluoroethane as the foaming agent
DE1158699B (de) * 1955-03-02 1963-12-05 Basf Ag Verfahren zur Herstellung von kleinteiligen blaehfaehigen thermoplastischen Kunststoffen
DE1261660B (de) * 1961-07-24 1968-02-22 Sun Chemical Corp Verfahren zur Herstellung von Schaumkunststofferzeugnissen durch Strangverpressen von blaehmittelhaltigem, thermoplastischem Material
DE1268356B (de) * 1959-12-12 1968-05-16 Bayer Ag Verfahren zum kontinuierlichen Herstellen von Rohfilmloesungen
DE1269334B (de) * 1961-01-19 1968-05-30 Wmb Internat Ab Heizbare Schneckenpresse zum Herstellen poriger Koerper aus thermoplastischen Kunststoffen auf Polystyrolbasis
DE1269333B (de) * 1959-07-22 1968-05-30 Foster Grant Co Inc Verfahren zur kontinuierlichen Herstellung eines Kunstschaumstoffstranges und Strangpresse zur Durchfuehrung dieses Verfahrens
US3482006A (en) * 1966-04-13 1969-12-02 Mobil Oil Corp Process for extruding a thermoplastic foam
DE1629807B1 (de) * 1965-07-10 1971-02-25 Union Carbide Corp Verfahren und vorrichtung zum herstellen von gegenstaenden mit schaumstruktur aus thermoplastischem material
DE2153190A1 (de) * 1970-10-29 1972-05-04 Dow Chemical Co Schaumstoff aus alkeny!aromatischen Polymeren und Verfahren zu seiner Herstellung
FR2313197A1 (fr) * 1975-06-02 1976-12-31 Ex Cell O Corp Procede et appareil pour fabriquer une mousse de matiere plastique

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941965A (en) * 1954-11-16 1960-06-21 Koppers Co Inc Foamable polystyrene composition containing an aliphatic hydrocarbon, a carbon dioxide liberating agent and boric acid; and method of foaming
BE548552A (fr) * 1955-06-14 1900-01-01
NL113908C (fr) * 1956-05-16
DE1157761B (de) * 1958-04-23 1963-11-21 Basf Ag Verfahren zur Aufbereitung von haertbaren Kunststoffen fuer die Herstellung von Formkoerpern auf Schneckenmaschinen
US3160688A (en) * 1961-06-02 1964-12-08 Monsanto Co Extrusion process
US3451103A (en) * 1961-06-02 1969-06-24 Monsanto Co Extrusion apparatus
SE314812B (fr) * 1961-06-02 1969-09-15 Monsanto Chemicals
US3151192A (en) * 1961-07-24 1964-09-29 Sun Chemical Corp Method of extruding a foamed thermoplastic product
US3164860A (en) * 1961-11-09 1965-01-12 Dyfoam Corp Apparatus for uniformly mixing and charging a substance into a mold
NL296971A (fr) * 1962-10-03
BE638935A (fr) * 1962-10-22 1900-01-01
US3310617A (en) * 1963-06-19 1967-03-21 Shell Oil Co Process for preparing uniform melt dispersion of blowing agent and polymer and its use in making foamed products
US3300554A (en) * 1963-09-27 1967-01-24 Western Electric Co Method of making cellular articles
US3287477A (en) * 1964-11-12 1966-11-22 Koppers Co Inc Process and apparatus for extruding a foamed plastic
GB1315661A (en) * 1969-06-18 1973-05-02 British Insulated Callenders Plastics extrusion process and apparatus
US3725520A (en) * 1970-04-24 1973-04-03 Nippon Ekika Seikei Kk Method for preparing a porous synthetic thermoplastic film or sheet
GB1485587A (en) * 1974-01-22 1977-09-14 Furukawa Electric Co Ltd Process of producing a foamed thermoplastics resin articl
US4137754A (en) * 1975-07-24 1979-02-06 Mobil Oil Corporation Melt rheometer for the measurement of flow properties of foamable plastics and polymer compositions
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters
US4470938A (en) * 1982-08-27 1984-09-11 Mobil Oil Corporation Method and apparatus for extrusion of thermoplastic foam
CA1255066A (fr) * 1985-10-02 1989-06-06 Robert J. Huddleston Methode et dispositif de moussage de materiaux extra-visqueux a base de polymere
DE3722050A1 (de) * 1987-07-03 1989-01-19 Berstorff Gmbh Masch Hermann Verfahren und extruderanlage zum herstellen eines aufschaeumbaren kunststoffgemisches
DE4039943A1 (de) * 1990-12-14 1992-06-17 Berstorff Gmbh Masch Hermann Verfahren und vorrichtung zur einstufigen, kontinuierlichen herstellung einer kautschaukgrund- und fertigmischung fuer fahrzeugreifen, antriebsriemen, transportbaender sowie fuer technische gummiartikel in nur einer mischvorrichtung
DE69207548T2 (de) * 1991-10-25 1996-05-15 Inst Francais Du Petrole Verwendung von einem Katalysator zur Alkylierung von Paraffinen
US5225451A (en) * 1992-08-27 1993-07-06 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5290822A (en) * 1992-08-27 1994-03-01 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US6602064B1 (en) * 1999-08-31 2003-08-05 Trexel, Inc. Polymer processing system and apparatus
IT1397297B1 (it) * 2009-11-25 2013-01-04 Polymtec Trading Ag Ora Polymtec Engineering Ag Articolo a base di polistirolo estruso, procedimento ed impianto per ottenere tale articolo
CN109475840A (zh) * 2016-05-06 2019-03-15 黄金企业公司 吸附剂组合物、其制备方法及其用途

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23948E (en) * 1955-02-15 Material treating apparatus
US2515250A (en) * 1947-11-07 1950-07-18 Dow Chemical Co Method of making and storing compositions comprising thermoplastic resins and normally gaseous solvents
FR1011179A (fr) * 1948-12-21 1952-06-19 Basf Ag Procédé pour l'usinage de masses plastiques
BE524084A (fr) * 1950-06-29 1900-01-01
DE879861C (de) * 1950-08-04 1953-06-15 August Georg Schaefer Fuellwalze fuer Schneckenpressen zur Herstellung von duennwandigen, masshaltigen Strangartikeln, insbesondere von Umhuellungen fuer elektrische Leitungen

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158699B (de) * 1955-03-02 1963-12-05 Basf Ag Verfahren zur Herstellung von kleinteiligen blaehfaehigen thermoplastischen Kunststoffen
US2860377A (en) * 1955-08-31 1958-11-18 Du Pont Method for extruding and foaming resin
US2928130A (en) * 1955-09-08 1960-03-15 Western Electric Co Methods for making cellular plastic products
US3020248A (en) * 1955-12-29 1962-02-06 Western Electric Co Method of making expandable plastic and preparation of cellular plastic therefrom
US2838801A (en) * 1957-03-29 1958-06-17 Dow Chemical Co Process for making fire-resistant cellular vinyl aromatic polymer articles
US3067147A (en) * 1957-08-28 1962-12-04 Dow Chemical Co Process of foaming and extruding polyethylene using 1, 2-dichlorotetrafluoroethane as the foaming agent
DE1269333B (de) * 1959-07-22 1968-05-30 Foster Grant Co Inc Verfahren zur kontinuierlichen Herstellung eines Kunstschaumstoffstranges und Strangpresse zur Durchfuehrung dieses Verfahrens
DE1268356B (de) * 1959-12-12 1968-05-16 Bayer Ag Verfahren zum kontinuierlichen Herstellen von Rohfilmloesungen
DE1269334B (de) * 1961-01-19 1968-05-30 Wmb Internat Ab Heizbare Schneckenpresse zum Herstellen poriger Koerper aus thermoplastischen Kunststoffen auf Polystyrolbasis
DE1261660B (de) * 1961-07-24 1968-02-22 Sun Chemical Corp Verfahren zur Herstellung von Schaumkunststofferzeugnissen durch Strangverpressen von blaehmittelhaltigem, thermoplastischem Material
DE1629807B1 (de) * 1965-07-10 1971-02-25 Union Carbide Corp Verfahren und vorrichtung zum herstellen von gegenstaenden mit schaumstruktur aus thermoplastischem material
US3482006A (en) * 1966-04-13 1969-12-02 Mobil Oil Corp Process for extruding a thermoplastic foam
DE2153190A1 (de) * 1970-10-29 1972-05-04 Dow Chemical Co Schaumstoff aus alkeny!aromatischen Polymeren und Verfahren zu seiner Herstellung
FR2313197A1 (fr) * 1975-06-02 1976-12-31 Ex Cell O Corp Procede et appareil pour fabriquer une mousse de matiere plastique

Also Published As

Publication number Publication date
GB743364A (en) 1956-01-11
US2987774A (en) 1961-06-13

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