ES297422A1 - Procedimiento para producir articulos porosos modelados - Google Patents

Procedimiento para producir articulos porosos modelados

Info

Publication number
ES297422A1
ES297422A1 ES0297422A ES297422A ES297422A1 ES 297422 A1 ES297422 A1 ES 297422A1 ES 0297422 A ES0297422 A ES 0297422A ES 297422 A ES297422 A ES 297422A ES 297422 A1 ES297422 A1 ES 297422A1
Authority
ES
Spain
Prior art keywords
particles
heating
agglomerate
styrene
articles
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
ES0297422A
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.)
Sicedison SpA
Original Assignee
Sicedison SpA
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 Sicedison SpA filed Critical Sicedison SpA
Publication of ES297422A1 publication Critical patent/ES297422A1/es
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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • C08J9/232—Forming foamed products by sintering expandable particles
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
ES0297422A 1963-03-02 1964-03-02 Procedimiento para producir articulos porosos modelados Expired ES297422A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT442163 1963-03-02

Publications (1)

Publication Number Publication Date
ES297422A1 true ES297422A1 (es) 1964-09-01

Family

ID=11112677

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0297422A Expired ES297422A1 (es) 1963-03-02 1964-03-02 Procedimiento para producir articulos porosos modelados

Country Status (6)

Country Link
US (1) US3359353A (es)
BE (1) BE644608A (es)
DE (1) DE1504851A1 (es)
ES (1) ES297422A1 (es)
GB (1) GB1049936A (es)
NL (1) NL6402086A (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3425965A (en) * 1964-11-16 1969-02-04 Dow Chemical Co Method of producing collapsed expandable cellular chlorostyrene polymer product
US3832429A (en) * 1966-04-13 1974-08-27 Saint Gobain Method and apparatus for the production of sheet on block of agglomerated granules of polystryrene
US3800018A (en) * 1965-04-15 1974-03-26 Saint Gobain Fabrication of cellular resinous products
US3863908A (en) * 1965-04-15 1975-02-04 Saint Gobain Cellular, resinous products and methods and apparatus for making them
CH424222A (de) * 1965-08-24 1966-11-15 Gosta Trading Ltd Verfahren zur Herstellung flexibler, elastischer Formlinge aus schäumbarem Kunststoff, und Vorrichtung zur Durchführung des Verfahrens
JPS5196063U (es) * 1975-01-31 1976-08-02
US4557881A (en) * 1982-11-26 1985-12-10 Design Engineering Service, Inc. Method for manufacturing foam boards
US5385698A (en) * 1992-04-23 1995-01-31 Saturn Corporation Dimensionally accurate expanded foam casting pattern
US5441675A (en) * 1993-11-01 1995-08-15 Davidson Textron, Inc. Forming method and apparatus
US5741455A (en) * 1995-12-08 1998-04-21 Purdue Research Foundation Inert gas heated compression molding process and apparatus
RU2444437C1 (ru) * 2010-11-01 2012-03-10 Государственное образовательное учреждение высшего профессионального образования Волгоградский государственный технический университет (ВолгГТУ) Устройство для непрерывного сухого вспучивания гранул полистирола
US10981296B2 (en) * 2019-05-22 2021-04-20 The Boeing Company System and method for preheating a thermoplastic charge

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA623804A (en) * 1961-07-11 Koppers Company Process and apparatus for utilization of scraps of polystyrene foam
DE941389C (de) * 1951-04-19 1956-04-12 Basf Ag Verfahren zur Herstellung poroeser Formkoerper aus thermoplastischen Kunststoffen
US3080612A (en) * 1957-03-09 1963-03-12 Medultra Werner Matzler Process of molding foam products from waste foam materials
NL262913A (es) * 1960-03-28
US3129464A (en) * 1960-11-15 1964-04-21 Owens Illinois Glass Co Molding apparatus
US3202734A (en) * 1961-08-07 1965-08-24 Sani Gard Plastics Company Foamed plastic molding method and apparatus
US3162704A (en) * 1961-09-22 1964-12-22 Champlain Zapata Plastics Mach Molding of expandable plastic pellets
NL284511A (es) * 1961-10-20 1900-01-01
US3252228A (en) * 1962-04-23 1966-05-24 Lodge & Shipley Co Expander for polymeric material

Also Published As

Publication number Publication date
US3359353A (en) 1967-12-19
GB1049936A (en) 1966-11-30
BE644608A (es) 1964-07-01
DE1504851A1 (de) 1969-09-25
NL6402086A (es) 1964-09-03

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