DE60133077D1 - Verfahren zur Herstellung von expandiertem Polypropylen und Endprodukt aus expandiertem Polypropylen - Google Patents

Verfahren zur Herstellung von expandiertem Polypropylen und Endprodukt aus expandiertem Polypropylen

Info

Publication number
DE60133077D1
DE60133077D1 DE60133077T DE60133077T DE60133077D1 DE 60133077 D1 DE60133077 D1 DE 60133077D1 DE 60133077 T DE60133077 T DE 60133077T DE 60133077 T DE60133077 T DE 60133077T DE 60133077 D1 DE60133077 D1 DE 60133077D1
Authority
DE
Germany
Prior art keywords
molten polymer
polypropylene
expanded polypropylene
end product
producing
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 - Lifetime
Application number
DE60133077T
Other languages
English (en)
Other versions
DE60133077T2 (de
Inventor
Franco Bandera
Enrico Venegoni
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.)
Costruzioni Meccaniche Luigi Bandera SpA
Original Assignee
Costruzioni Meccaniche Luigi Bandera 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 Costruzioni Meccaniche Luigi Bandera SpA filed Critical Costruzioni Meccaniche Luigi Bandera SpA
Application granted granted Critical
Publication of DE60133077D1 publication Critical patent/DE60133077D1/de
Publication of DE60133077T2 publication Critical patent/DE60133077T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Laminated Bodies (AREA)
DE60133077T 2000-12-04 2001-11-30 Verfahren zur Herstellung von expandiertem Polypropylen und Endprodukt aus expandiertem Polypropylen Expired - Lifetime DE60133077T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI002614 2000-12-04
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
DE60133077D1 true DE60133077D1 (de) 2008-04-17
DE60133077T2 DE60133077T2 (de) 2009-03-12

Family

ID=11446170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60133077T Expired - Lifetime DE60133077T2 (de) 2000-12-04 2001-11-30 Verfahren zur Herstellung von expandiertem Polypropylen und Endprodukt aus expandiertem Polypropylen

Country Status (6)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2128007C (en) 1992-02-04 2004-04-06 Chung P. Park 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
US20020068769A1 (en) 2002-06-06
EP1211038A2 (de) 2002-06-05
ATE388005T1 (de) 2008-03-15
DE60133077T2 (de) 2009-03-12
US6573310B2 (en) 2003-06-03
ES2304368T3 (es) 2008-10-16
EP1211038A3 (de) 2003-01-15
EP1211038B1 (de) 2008-03-05
ITMI20002614A1 (it) 2002-06-04
IT1319675B1 (it) 2003-10-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition