ITMI20061418A1 - Polietilene reticolato espandibile,procedimento per la sua produzione e apparecchiatura per realizzare il procedimento. - Google Patents

Polietilene reticolato espandibile,procedimento per la sua produzione e apparecchiatura per realizzare il procedimento.

Info

Publication number
ITMI20061418A1
ITMI20061418A1 ITMI20061418A ITMI20061418A1 IT MI20061418 A1 ITMI20061418 A1 IT MI20061418A1 IT MI20061418 A ITMI20061418 A IT MI20061418A IT MI20061418 A1 ITMI20061418 A1 IT MI20061418A1
Authority
IT
Italy
Prior art keywords
procedure
production
equipment
carry out
expandable polyethylene
Prior art date
Application number
Other languages
English (en)
Inventor
Joseph Cirasa
Paolo Cirasa
Original Assignee
Masterplast S R L
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 Masterplast S R L filed Critical Masterplast S R L
Priority to ITMI20061418 priority Critical patent/ITMI20061418A1/it
Priority to PCT/EP2007/006254 priority patent/WO2008009395A1/en
Publication of ITMI20061418A1 publication Critical patent/ITMI20061418A1/it

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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • 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
    • B29C44/08—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 using several expanding or moulding 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
    • B29C44/3484—Stopping the foaming reaction until the material is heated or re-heated
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/024—Preparation or use of a blowing agent concentrate, i.e. masterbatch in a foamable composition
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/03—Extrusion of the foamable blend
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
ITMI20061418 2006-07-20 2006-07-20 Polietilene reticolato espandibile,procedimento per la sua produzione e apparecchiatura per realizzare il procedimento. ITMI20061418A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI20061418 ITMI20061418A1 (it) 2006-07-20 2006-07-20 Polietilene reticolato espandibile,procedimento per la sua produzione e apparecchiatura per realizzare il procedimento.
PCT/EP2007/006254 WO2008009395A1 (en) 2006-07-20 2007-07-13 Expandable cross-linked polyethylene, method for manufacturing it, and apparatus for performing the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20061418 ITMI20061418A1 (it) 2006-07-20 2006-07-20 Polietilene reticolato espandibile,procedimento per la sua produzione e apparecchiatura per realizzare il procedimento.

Publications (1)

Publication Number Publication Date
ITMI20061418A1 true ITMI20061418A1 (it) 2008-01-21

Family

ID=38512403

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI20061418 ITMI20061418A1 (it) 2006-07-20 2006-07-20 Polietilene reticolato espandibile,procedimento per la sua produzione e apparecchiatura per realizzare il procedimento.

Country Status (2)

Country Link
IT (1) ITMI20061418A1 (it)
WO (1) WO2008009395A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1040475C2 (en) 2013-10-29 2015-04-30 Fits Holding B V Method and device for manufacturing a sandwich structure comprising a thermoplastic foam layer.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1478692A (it) * 1965-04-15 1967-07-12
DE1694163A1 (de) * 1966-09-28 1970-09-03 Furukawa Electric Co Ltd Verfahren zur Herstellung eines Polyolefinmischschaumstoffs
US3812225A (en) * 1967-01-23 1974-05-21 Furukawa Electric Co Ltd Method of manufacturing foamed crosslinked polyolefin slabs involving multiple expansion techniques and direct gas pressure
DE2237955A1 (de) * 1972-08-02 1974-02-14 Basf Ag Verfahren zur herstellung von schaumstoffen aus olefinpolymerisaten
GB8417053D0 (en) * 1984-07-04 1984-08-08 Dow Chemical Iberica Sa Foams of linear low density polyethylene

Also Published As

Publication number Publication date
WO2008009395A1 (en) 2008-01-24

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