IT1319675B1 - Procedimento per la realizzazione di polipropilene e manufatti a basedi polipropilene espanso. - Google Patents

Procedimento per la realizzazione di polipropilene e manufatti a basedi polipropilene espanso.

Info

Publication number
IT1319675B1
IT1319675B1 IT2000MI002614A ITMI20002614A IT1319675B1 IT 1319675 B1 IT1319675 B1 IT 1319675B1 IT 2000MI002614 A IT2000MI002614 A IT 2000MI002614A IT MI20002614 A ITMI20002614 A IT MI20002614A IT 1319675 B1 IT1319675 B1 IT 1319675B1
Authority
IT
Italy
Prior art keywords
polypropylene
molten polymer
procedure
production
based products
Prior art date
Application number
IT2000MI002614A
Other languages
English (en)
Inventor
Franco Bandera
Enrico Venegoni
Original Assignee
Bandera Luigi Mecc 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 Bandera Luigi Mecc Spa filed Critical Bandera Luigi Mecc Spa
Priority to IT2000MI002614A priority Critical patent/IT1319675B1/it
Priority to US09/996,670 priority patent/US6573310B2/en
Priority to AT01204631T priority patent/ATE388005T1/de
Priority to EP01204631A priority patent/EP1211038B1/en
Priority to DE60133077T priority patent/DE60133077T2/de
Priority to ES01204631T priority patent/ES2304368T3/es
Publication of ITMI20002614A1 publication Critical patent/ITMI20002614A1/it
Application granted granted Critical
Publication of IT1319675B1 publication Critical patent/IT1319675B1/it

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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B29C44/3446—Feeding the 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
    • B29C44/3415—Heating or cooling
    • B29C44/3419—Quick cooling
    • 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

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Laminated Bodies (AREA)
IT2000MI002614A 2000-12-04 2000-12-04 Procedimento per la realizzazione di polipropilene e manufatti a basedi polipropilene espanso. IT1319675B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT2000MI002614A IT1319675B1 (it) 2000-12-04 2000-12-04 Procedimento per la realizzazione di polipropilene e manufatti a basedi polipropilene espanso.
US09/996,670 US6573310B2 (en) 2000-12-04 2001-11-29 Process for the production of expanded polypropylene and end-products based on expanded polypropylene
AT01204631T ATE388005T1 (de) 2000-12-04 2001-11-30 Verfahren zur herstellung von expandiertem polypropylen und endprodukt aus expandiertem polypropylen
EP01204631A EP1211038B1 (en) 2000-12-04 2001-11-30 Process for the production of expanded polypropylene and end-products based on expanded polypropylene
DE60133077T DE60133077T2 (de) 2000-12-04 2001-11-30 Verfahren zur Herstellung von expandiertem Polypropylen und Endprodukt aus expandiertem Polypropylen
ES01204631T ES2304368T3 (es) 2000-12-04 2001-11-30 Proceso para la produccion de polipropileno expandido y productos finales basados en polipropileno expandido.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000MI002614A IT1319675B1 (it) 2000-12-04 2000-12-04 Procedimento per la realizzazione di polipropilene e manufatti a basedi polipropilene espanso.

Publications (2)

Publication Number Publication Date
ITMI20002614A1 ITMI20002614A1 (it) 2002-06-04
IT1319675B1 true IT1319675B1 (it) 2003-10-23

Family

ID=11446170

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000MI002614A IT1319675B1 (it) 2000-12-04 2000-12-04 Procedimento per la realizzazione di polipropilene e manufatti a basedi polipropilene espanso.

Country Status (6)

Country Link
US (1) US6573310B2 (it)
EP (1) EP1211038B1 (it)
AT (1) ATE388005T1 (it)
DE (1) DE60133077T2 (it)
ES (1) ES2304368T3 (it)
IT (1) IT1319675B1 (it)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0625168B1 (en) 1992-02-04 1999-03-03 The Dow Chemical Company A process for making a dimensionally-stable polypropylene foam expanded with inorganic blowing agents
NZ245868A (en) 1992-05-13 1995-12-21 Grace W R & Co Producing foam sheet from polypropylene with long chain branching or from rubber modified linear polypropylene by injection of carbon dioxide into melt, and extruding
US5817705A (en) * 1996-10-15 1998-10-06 Tenneco Protective Packaging Inc. Short time frame process for producing extruded closed cell low density propylene polymer foams
US5993706A (en) * 1996-08-08 1999-11-30 Tenneco Protective Packaging, Inc. Oxygenated hydrocarbon compatibilizing agent for carbon dioxide-blown polyolefinic foams
NL1004572C2 (nl) * 1996-11-20 1998-05-25 Corell Resin Technology Bv Werkwijze voor het vervaardigen van een monolitisch kunststof voorwerp, alsmede met die werkwijze verkregen voorwerp.

Also Published As

Publication number Publication date
ATE388005T1 (de) 2008-03-15
EP1211038A3 (en) 2003-01-15
EP1211038B1 (en) 2008-03-05
DE60133077T2 (de) 2009-03-12
EP1211038A2 (en) 2002-06-05
US20020068769A1 (en) 2002-06-06
DE60133077D1 (de) 2008-04-17
ES2304368T3 (es) 2008-10-16
US6573310B2 (en) 2003-06-03
ITMI20002614A1 (it) 2002-06-04

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