FR2342148A1 - JOINT PROCESS FOR CROSS-LINKING, EXPANSION AND EXTRUSION OF A BRANCHIFIED POLYOLEFIN - Google Patents

JOINT PROCESS FOR CROSS-LINKING, EXPANSION AND EXTRUSION OF A BRANCHIFIED POLYOLEFIN

Info

Publication number
FR2342148A1
FR2342148A1 FR7605441A FR7605441A FR2342148A1 FR 2342148 A1 FR2342148 A1 FR 2342148A1 FR 7605441 A FR7605441 A FR 7605441A FR 7605441 A FR7605441 A FR 7605441A FR 2342148 A1 FR2342148 A1 FR 2342148A1
Authority
FR
France
Prior art keywords
branchified
polyolefin
linking
extrusion
expansion
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.)
Granted
Application number
FR7605441A
Other languages
French (fr)
Other versions
FR2342148B1 (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.)
ST Dupont SA
Original Assignee
ST Dupont SA
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 ST Dupont SA filed Critical ST Dupont SA
Priority to FR7605441A priority Critical patent/FR2342148A1/en
Priority to GB7033/77A priority patent/GB1566056A/en
Priority to DE19772707874 priority patent/DE2707874A1/en
Priority to IT67407/77A priority patent/IT1071581B/en
Priority to NL7702105A priority patent/NL7702105A/en
Priority to BE175280A priority patent/BE851850A/en
Publication of FR2342148A1 publication Critical patent/FR2342148A1/en
Application granted granted Critical
Publication of FR2342148B1 publication Critical patent/FR2342148B1/fr
Granted 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
    • C08J9/04—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
    • C08J9/12—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 physical blowing agent
    • C08J9/14—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 physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • 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

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR7605441A 1976-02-26 1976-02-26 JOINT PROCESS FOR CROSS-LINKING, EXPANSION AND EXTRUSION OF A BRANCHIFIED POLYOLEFIN Granted FR2342148A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7605441A FR2342148A1 (en) 1976-02-26 1976-02-26 JOINT PROCESS FOR CROSS-LINKING, EXPANSION AND EXTRUSION OF A BRANCHIFIED POLYOLEFIN
GB7033/77A GB1566056A (en) 1976-02-26 1977-02-18 Process for the cross-linking eextrusion and foaming of branched polyolefins
DE19772707874 DE2707874A1 (en) 1976-02-26 1977-02-24 PROCESS FOR SIMULTANEOUSLY CROSSLINKING, EXPANDING AND EXTRUDING A BRANCHED OLFIN
IT67407/77A IT1071581B (en) 1976-02-26 1977-02-24 JOINT PROCEDURE FOR RETICULATION EXPANSION AND EXTRUSION OF A BRANCHED POLYOLEFINE
NL7702105A NL7702105A (en) 1976-02-26 1977-02-25 COMBINED PROCEDURE FOR CROSSING, FOAMING AND EXTRUDING A BRANCHED POLYALKEY.
BE175280A BE851850A (en) 1976-02-26 1977-02-25 JOINT CROSS-LINKING PROCESS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7605441A FR2342148A1 (en) 1976-02-26 1976-02-26 JOINT PROCESS FOR CROSS-LINKING, EXPANSION AND EXTRUSION OF A BRANCHIFIED POLYOLEFIN

Publications (2)

Publication Number Publication Date
FR2342148A1 true FR2342148A1 (en) 1977-09-23
FR2342148B1 FR2342148B1 (en) 1979-07-20

Family

ID=9169651

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605441A Granted FR2342148A1 (en) 1976-02-26 1976-02-26 JOINT PROCESS FOR CROSS-LINKING, EXPANSION AND EXTRUSION OF A BRANCHIFIED POLYOLEFIN

Country Status (6)

Country Link
BE (1) BE851850A (en)
DE (1) DE2707874A1 (en)
FR (1) FR2342148A1 (en)
GB (1) GB1566056A (en)
IT (1) IT1071581B (en)
NL (1) NL7702105A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO313835B1 (en) * 1998-06-19 2002-12-09 Borealis As Process for branching polypropylene materials, process for branching and foaming polypropylene materials, and using the polymeric materials obtained by the methods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
GB1566056A (en) 1980-04-30
IT1071581B (en) 1985-04-10
NL7702105A (en) 1977-08-30
FR2342148B1 (en) 1979-07-20
DE2707874A1 (en) 1977-09-01
BE851850A (en) 1977-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse