ZA817404B - Process for the production of a continuous sheet of foamed synthetic,thermoplastic polymer by extrusion - Google Patents

Process for the production of a continuous sheet of foamed synthetic,thermoplastic polymer by extrusion

Info

Publication number
ZA817404B
ZA817404B ZA817404A ZA817404A ZA817404B ZA 817404 B ZA817404 B ZA 817404B ZA 817404 A ZA817404 A ZA 817404A ZA 817404 A ZA817404 A ZA 817404A ZA 817404 B ZA817404 B ZA 817404B
Authority
ZA
South Africa
Prior art keywords
extrusion
production
thermoplastic polymer
continuous sheet
foamed synthetic
Prior art date
Application number
ZA817404A
Other languages
English (en)
Inventor
Roberto Colombo
Original Assignee
Lavorazione Mat Plast
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 Lavorazione Mat Plast filed Critical Lavorazione Mat Plast
Publication of ZA817404B publication Critical patent/ZA817404B/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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/26—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length using several expanding steps
    • 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
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat die
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam
ZA817404A 1980-11-05 1981-10-26 Process for the production of a continuous sheet of foamed synthetic,thermoplastic polymer by extrusion ZA817404B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68689/80A IT1141633B (it) 1980-11-05 1980-11-05 Procedimento per la produzione di una lastra continua di schiuma di polimero sintetico termoplastico mediante estrusione

Publications (1)

Publication Number Publication Date
ZA817404B true ZA817404B (en) 1982-09-29

Family

ID=11310295

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA817404A ZA817404B (en) 1980-11-05 1981-10-26 Process for the production of a continuous sheet of foamed synthetic,thermoplastic polymer by extrusion

Country Status (17)

Country Link
US (1) US4435345A (es)
EP (1) EP0051570A3 (es)
JP (1) JPS57107824A (es)
AR (1) AR226486A1 (es)
AU (1) AU546627B2 (es)
BR (1) BR8107237A (es)
DE (1) DE3104167A1 (es)
ES (1) ES8303971A1 (es)
FI (1) FI813477L (es)
GR (1) GR76294B (es)
IL (1) IL64116A0 (es)
IT (1) IT1141633B (es)
NO (1) NO813713L (es)
PH (1) PH19996A (es)
PT (1) PT73900B (es)
YU (1) YU260081A (es)
ZA (1) ZA817404B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5962122A (ja) * 1982-10-02 1984-04-09 Kanegafuchi Chem Ind Co Ltd 合成樹脂発泡体の製造方法及び装置
JPH0725123B2 (ja) * 1986-08-04 1995-03-22 ダウ化工株式会社 スチレン系樹脂発泡体の製造方法
CA2282597C (en) * 1997-12-24 2007-09-18 Kaneka Corporation Methods for producing styrene resin extruded foams, and foams produced thereby
US8752348B2 (en) * 2005-02-25 2014-06-17 Syntheon Inc. Composite pre-formed construction articles
AU2006216558B2 (en) * 2005-02-25 2010-05-13 Nova Chemicals, Inc. Composite pre-formed building panels, a building and a framing stud
ES2574012T3 (es) * 2005-02-25 2016-06-14 Nova Chemicals Inc. Composiciones ligeras
US7644548B2 (en) 2005-03-22 2010-01-12 Nova Chemicals Inc. Lightweight concrete compositions
US8048219B2 (en) * 2007-09-20 2011-11-01 Nova Chemicals Inc. Method of placing concrete
US20090078161A1 (en) * 2007-09-20 2009-03-26 Nova Chemicals Inc. Methods of minimizing concrete cracking and shrinkage
CN102341226B (zh) * 2009-03-04 2014-03-05 陶氏环球技术有限责任公司 具有分段成型的挤出聚合物发泡方法
DE102013001410B4 (de) * 2013-01-28 2018-02-22 Frank van Lück Verfahren zur Herstellung eines Schaumprodukts sowie Vorrichtung hierfür
DE102013017181A1 (de) * 2013-10-15 2015-05-07 Frank van Lück Verfahren zur Formung einer extrusionsgeschäumten Kunstofflage und Nachbehandlungseinrichtung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154264B (de) * 1956-11-20 1963-09-12 Reifenhaeuser Kg Vorrichtung zum kontinuierlichen Strangpressen von Formkoerpern mit einem Schaumstoffkern und einem Mantel aus thermoplastischem Kunststoff
NL254014A (es) * 1959-07-22 1900-01-01
BE664515A (es) * 1964-05-30 1965-11-26
GB1136046A (en) * 1966-06-21 1968-12-11 Ici Ltd Manufacture of foam laminates
DK126094A (es) * 1966-09-07 1900-01-01
US3584108A (en) * 1967-10-10 1971-06-08 Fmc Corp Oriented,foamed articles and method and apparatus for making the same
JPS546593B2 (es) * 1971-11-19 1979-03-29
US3822331A (en) * 1971-12-10 1974-07-02 Grace W R & Co Continuous process for making low density thermoplastic foam
JPS522424B2 (es) * 1972-08-18 1977-01-21
US4017245A (en) * 1974-07-26 1977-04-12 Foster Grant Co., Inc. Apparatus for extruding expandable thermoplastic material
JPS52123460A (en) * 1976-04-09 1977-10-17 Sekisui Chemical Co Ltd Device for continuously producing foamed sheet material
DE2904720A1 (de) * 1979-02-08 1980-08-21 Grotemeyer Geb Vorrichtung zum herstellen eines schaumstoffstranges aus thermoplastischem kunststoff
JPS5732495U (es) * 1980-07-31 1982-02-20

Also Published As

Publication number Publication date
ES506824A0 (es) 1983-03-01
IL64116A0 (en) 1982-01-31
AR226486A1 (es) 1982-07-15
NO813713L (no) 1982-05-06
EP0051570A3 (en) 1983-10-05
BR8107237A (pt) 1982-07-27
EP0051570A2 (en) 1982-05-12
PH19996A (en) 1986-08-28
ES8303971A1 (es) 1983-03-01
YU260081A (en) 1983-10-31
PT73900B (en) 1983-01-25
GR76294B (es) 1984-08-04
FI813477L (fi) 1982-05-06
DE3104167A1 (de) 1982-06-16
PT73900A (en) 1981-11-01
US4435345A (en) 1984-03-06
IT8068689A0 (it) 1980-11-05
IT1141633B (it) 1986-10-01
AU7687781A (en) 1982-05-13
JPS57107824A (en) 1982-07-05
AU546627B2 (en) 1985-09-12

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