DE2707874A1 - Verfahren zum gleichzeitigen vernetzen, expandieren und extrudieren eines verzweigten olefins - Google Patents

Verfahren zum gleichzeitigen vernetzen, expandieren und extrudieren eines verzweigten olefins

Info

Publication number
DE2707874A1
DE2707874A1 DE19772707874 DE2707874A DE2707874A1 DE 2707874 A1 DE2707874 A1 DE 2707874A1 DE 19772707874 DE19772707874 DE 19772707874 DE 2707874 A DE2707874 A DE 2707874A DE 2707874 A1 DE2707874 A1 DE 2707874A1
Authority
DE
Germany
Prior art keywords
polyolefin
peroxide
mixture
branched
injected
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.)
Ceased
Application number
DE19772707874
Other languages
German (de)
English (en)
Inventor
Tony Kawam
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
Publication of DE2707874A1 publication Critical patent/DE2707874A1/de
Ceased legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • C08J9/14Working-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
    • C08J9/143Halogen containing compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/46Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50Feeding 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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)
DE19772707874 1976-02-26 1977-02-24 Verfahren zum gleichzeitigen vernetzen, expandieren und extrudieren eines verzweigten olefins Ceased DE2707874A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7605441A FR2342148A1 (fr) 1976-02-26 1976-02-26 Procede conjoint de reticulation, d'expansion et d'extrusion d'une polyolefine ramifiee

Publications (1)

Publication Number Publication Date
DE2707874A1 true DE2707874A1 (de) 1977-09-01

Family

ID=9169651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772707874 Ceased DE2707874A1 (de) 1976-02-26 1977-02-24 Verfahren zum gleichzeitigen vernetzen, expandieren und extrudieren eines verzweigten olefins

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO313835B1 (no) * 1998-06-19 2002-12-09 Borealis As Fremgangsmate for forgrening av polypropylenmaterialer, fremgangsmate for forgrening og skumming av polypropylenmaterialer, og anvendelse av polymermaterialene oppnadd ved fremgangsmatene

Also Published As

Publication number Publication date
FR2342148B1 (enrdf_load_stackoverflow) 1979-07-20
NL7702105A (nl) 1977-08-30
BE851850A (fr) 1977-08-25
GB1566056A (en) 1980-04-30
FR2342148A1 (fr) 1977-09-23
IT1071581B (it) 1985-04-10

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection