[go: up one dir, main page]

YU247489A - Process and device for obtaining thermoplastic foam - Google Patents

Process and device for obtaining thermoplastic foam

Info

Publication number
YU247489A
YU247489A YU02474/89A YU247489A YU247489A YU 247489 A YU247489 A YU 247489A YU 02474/89 A YU02474/89 A YU 02474/89A YU 247489 A YU247489 A YU 247489A YU 247489 A YU247489 A YU 247489A
Authority
YU
Yugoslavia
Prior art keywords
thermoplastic foam
obtaining thermoplastic
obtaining
foam
thermoplastic
Prior art date
Application number
YU02474/89A
Other languages
English (en)
Inventor
J C Korb
W R Harfmann
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of YU247489A publication Critical patent/YU247489A/xx

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
    • 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
    • B29C44/60—Measuring, controlling or regulating
    • 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
    • B29C48/362—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
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • 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
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
YU02474/89A 1988-12-27 1989-12-27 Process and device for obtaining thermoplastic foam YU247489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29059888A 1988-12-27 1988-12-27

Publications (1)

Publication Number Publication Date
YU247489A true YU247489A (en) 1991-08-31

Family

ID=23116720

Family Applications (1)

Application Number Title Priority Date Filing Date
YU02474/89A YU247489A (en) 1988-12-27 1989-12-27 Process and device for obtaining thermoplastic foam

Country Status (7)

Country Link
EP (1) EP0376671A3 (xx)
JP (1) JPH02227211A (xx)
CA (1) CA2006361A1 (xx)
FI (1) FI913115A0 (xx)
HU (1) HUT56757A (xx)
WO (1) WO1990007407A1 (xx)
YU (1) YU247489A (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663880B1 (fr) * 1990-06-29 1994-04-29 Roth Sa Freres Procede de fabrication de matelassures en mousse de polyurethane coulee in situ dans une coiffe en textile et coussin ainsi obtenu.
NL9200826A (nl) * 1992-05-08 1993-12-01 Mondomix Holland B V Inrichting voor de vervaardiging van schuimprodukten.
DE69416456D1 (de) * 1993-06-16 1999-03-25 Union Carbide Chem Plastic Vorrichtung und Verfahren zum kontinuierlichen Pelletisieren von thermoplastischen Kunststoffen
US5985190A (en) 1998-04-28 1999-11-16 Genpak, L.L.C. Method and system for forming low-density polymer foam article
CN100432127C (zh) 2000-03-17 2008-11-12 陶氏环球技术公司 大孔声学泡沫及其用途
ES2403187T3 (es) * 2005-03-17 2013-05-16 Sulzer Chemtech Ag Procedimiento e instalación para la fabricación continua de granulado de plástico que puede expandirse
DE102005020794A1 (de) * 2005-05-04 2006-11-09 Coperion Werner & Pfleiderer Gmbh & Co. Kg Anlage zur Erzeugung einer Schaumkunststoff-Folie
CN101688013B (zh) * 2007-07-03 2011-12-28 陶氏环球技术公司 具有大的泡孔尺寸和高填料含量的闭孔泡沫体
TW201008749A (en) * 2008-06-25 2010-03-01 Sulzer Chemtech Ag An apparatus and method for the introduction of a foaming agent
CN102700023B (zh) * 2012-05-10 2014-07-09 无锡市威华机械有限公司 聚氨酯发泡机动态预混装置
JP6688658B2 (ja) * 2016-03-31 2020-04-28 株式会社カネカ 発泡性スチレン系樹脂粒子の製造方法、スチレン系樹脂予備発泡粒子の製造方法及びスチレン系樹脂型内発泡成形体の製造方法
DE102016004617A1 (de) 2016-04-13 2017-10-19 Sml Maschinengesellschaft M.B.H. Verfahren und Vorrichtung zur Herstellung eines Produkts aus thermoplastischem Material durch Extrusion
US11806908B2 (en) 2017-06-05 2023-11-07 Otrajet Inc. Extruding system and method of extruding
TWI637987B (zh) 2017-06-05 2018-10-11 歐特捷實業股份有限公司 超臨界流體與高分子原料熔體之混合機構

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2023204A (en) * 1931-08-21 1935-12-03 Munters Ab Carl Heat insulation
US2515250A (en) * 1947-11-07 1950-07-18 Dow Chemical Co Method of making and storing compositions comprising thermoplastic resins and normally gaseous solvents
CH510703A (de) * 1966-06-23 1971-07-31 Basf Ag Schwerentflammbare thermoplastische Formmasse
US3830901A (en) * 1968-09-09 1974-08-20 T Winstead Continuous process for extruding cellular thermoplastics
US3959197A (en) * 1973-10-16 1976-05-25 Monsanto Research Corporation Use of solvent mixtures in making foamable compositions
DE2811642C2 (de) * 1978-03-17 1979-07-26 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zum Herstellen von Schaumstoffen auf Polyolefinbasis
DE2811951A1 (de) * 1978-03-18 1979-09-27 Hoechst Ag Flammwidriger polystrolschaum und verfahren zu seiner herstellung
US4207402A (en) * 1978-10-30 1980-06-10 Monsanto Company Foamable polymeric alloy composition
US4370378A (en) * 1979-03-15 1983-01-25 The Dow Chemical Company Low density, extruded ethylenic polymer foams
US4299792A (en) * 1979-05-23 1981-11-10 Hpm Corporation Injection molding process utilizing low shear screw
US4323655A (en) * 1980-05-07 1982-04-06 Atlantic Richfield Company Rubber-modified fire-retardant anhydride copolymers
JPS6052926B2 (ja) * 1981-05-18 1985-11-22 積水化成品工業株式会社 熱可塑性樹脂発泡体の製造方法及び装置
US4560334A (en) * 1981-09-01 1985-12-24 Cosden Technology, Inc. Apparatus for extruding thermoplastic compositions
US4469651A (en) * 1981-09-01 1984-09-04 Cosden Technology, Inc. Process for extruding thermoplastic compositions
US4436679A (en) * 1981-11-09 1984-03-13 Maryland Cup Corporation Method and apparatus for generating foamed thermoplastic materials
US4439547A (en) * 1983-01-31 1984-03-27 Atlantic Richfield Company Anti-lumping and fast-cool vinyl aromatic expandable polymer particles
DE3316838C2 (de) * 1983-05-07 1986-08-21 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Tandem-Extruderanlage zur Herstellung einer geschäumten Materialbahn aus thermoplastischem Material, insbesondere aus Polystyrol
DE3336179C2 (de) * 1983-10-05 1986-11-20 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Einrichtung zum Herstellen von aufgeschäumten thermoplastischen Kunststoffen
CA1255866A (en) * 1985-07-24 1989-06-20 Hiromu Fujisaki Method and apparatus for production of foamed thermoplastic material
DE3600041A1 (de) * 1986-01-03 1987-07-09 Reifenhaeuser Masch Anlage fuer die herstellung von kunststoffhalbzeug aus geschaeumtem kunststoff
CS274293B2 (en) * 1986-05-14 1991-04-11 Montedipe Spa Reinforced styrene's polymer with impact resistance with improved physico-mechanical properties
JPS6377947A (ja) * 1986-09-19 1988-04-08 Mitsubishi Yuka Badische Co Ltd スチレン・アクリロニトリル・ブタジエン系共重合体の発泡粒子の製造方法
DE3712749C1 (de) * 1987-04-15 1988-07-07 Berstorff Gmbh Masch Hermann Verwendung eines Sekundaerextruders einer Tandemanlage zum Kuehlen einer in einem Primaerextruder hergestellten Kunststoff-Treibmittelgemischschmelze
CA1309221C (en) * 1987-04-15 1992-10-27 Kyung W. Suh Method for the preparation of styrene polymer foam, blowing agents for the preparation of such foam and styrene polymer foams prepared with such blowing agents
US4762861A (en) * 1987-10-30 1988-08-09 Pennwalt Corporation Tetrahalophthalate esters as flame retardants for polystyrene resins
US4851453A (en) * 1988-11-15 1989-07-25 Mobay Corporation Foamable molding compositions

Also Published As

Publication number Publication date
WO1990007407A1 (en) 1990-07-12
HUT56757A (en) 1991-10-28
EP0376671A2 (en) 1990-07-04
FI913115A7 (fi) 1991-06-26
CA2006361A1 (en) 1990-06-27
HU896787D0 (en) 1990-03-28
JPH02227211A (ja) 1990-09-10
FI913115A0 (fi) 1991-06-26
EP0376671A3 (en) 1992-04-15

Similar Documents

Publication Publication Date Title
GB8922812D0 (en) Silicone foam and method for making it
GB2190621B (en) Method and device for molding skin-covered foamed plastics article
GR880100513A (en) Celluloid product used for shower and foaming later
YU128488A (en) Process and device for injecting
GB2226523B (en) Packaging method and apparatus
GB2219968B (en) Bag making method and apparatus
GR861046B (en) Method and apparatus for the preparation of foamed thermoplastic articles
EP0409199A3 (en) Rigid polyurethanepolyisocyanurate foams and process for preparing the same
GB8924366D0 (en) Skin covered foamed plastic article
YU247489A (en) Process and device for obtaining thermoplastic foam
HUT58501A (en) Method and apparatus for forming absorptive body
ZA908090B (en) Starchless molding procedure and apparatus
GB8924951D0 (en) Device and methods
YU189189A (en) Process and device for hide extending
GB8915071D0 (en) Apparatus for separating and packaging plastic parts
GB2229960B (en) An extrusion process and apparatus therefor
HUT49253A (en) Method and device for exact
EP0437821A3 (en) Polyimide foam products and methods
GR3001421T3 (en) Method and apparatus for the compression moulding of thermoplastic articles
GB2215643B (en) Thixotropic foam dispensing apparatus and method
GB8912075D0 (en) Moulding procedure and apparatus
GB8907563D0 (en) Extrusion process and apparatus
PL275181A1 (en) Apparatus for obtaining foamed urea plastic products
IE883298L (en) Foam extrusion apparatus and method
GB8829255D0 (en) Device and method