DE1778630C2 - Verfahren zur Herstellung von nicht plazifizierten polymeren oder copolymeren Schaumstoffen - Google Patents

Verfahren zur Herstellung von nicht plazifizierten polymeren oder copolymeren Schaumstoffen

Info

Publication number
DE1778630C2
DE1778630C2 DE1778630A DE1778630A DE1778630C2 DE 1778630 C2 DE1778630 C2 DE 1778630C2 DE 1778630 A DE1778630 A DE 1778630A DE 1778630 A DE1778630 A DE 1778630A DE 1778630 C2 DE1778630 C2 DE 1778630C2
Authority
DE
Germany
Prior art keywords
polymeric
mass
foaming
extrusion
foams
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
Application number
DE1778630A
Other languages
German (de)
English (en)
Other versions
DE1778630B1 (de
Inventor
Bernard Versailles Neuville (Frankreich)
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.)
Produits Chimiques Pechiney Saint Gobain
Original Assignee
Produits Chimiques Pechiney Saint Gobain
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 Produits Chimiques Pechiney Saint Gobain filed Critical Produits Chimiques Pechiney Saint Gobain
Publication of DE1778630B1 publication Critical patent/DE1778630B1/de
Application granted granted Critical
Publication of DE1778630C2 publication Critical patent/DE1778630C2/de
Expired 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
    • 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
    • B29K2027/00Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06PVC, i.e. polyvinylchloride
    • 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
    • C08J2327/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06Homopolymers or copolymers of vinyl chloride

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)
DE1778630A 1967-05-26 1968-05-17 Verfahren zur Herstellung von nicht plazifizierten polymeren oder copolymeren Schaumstoffen Expired DE1778630C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR108054A FR1532472A (fr) 1967-05-26 1967-05-26 Procédé de préparation de mousses de compositions polymères ou copolymères non plastifiées, à base de chlorure de vinyle, par extrusion, et mousses de faibles densités en résultant

Publications (2)

Publication Number Publication Date
DE1778630B1 DE1778630B1 (de) 1974-03-28
DE1778630C2 true DE1778630C2 (de) 1974-10-31

Family

ID=8631725

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1778630A Expired DE1778630C2 (de) 1967-05-26 1968-05-17 Verfahren zur Herstellung von nicht plazifizierten polymeren oder copolymeren Schaumstoffen

Country Status (5)

Country Link
BE (1) BE715660A (forum.php)
DE (1) DE1778630C2 (forum.php)
FR (1) FR1532472A (forum.php)
GB (1) GB1226422A (forum.php)
NL (1) NL155756B (forum.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1073620A (en) * 1975-03-25 1980-03-18 Seizaburo Watanabe Extrusion foamed article and process for producing the same
GB2366795A (en) * 2000-09-13 2002-03-20 Procter & Gamble Preparation of a foam component by extrusion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1261670B (de) * 1957-08-19 1968-02-22 Gruenzweig & Hartmann Verfahren zur kontinuierlichen Herstellung von Zellkoerpern aus Polymerisaten von Vinylchlorid oder vinylaromatischen Monomeren
NL300591A (forum.php) * 1963-11-05
FR1461398A (fr) * 1965-05-19 1966-02-25 Pechiney Saint Gobain Appareil d'extrusion à plateau tournant destiné au travail des hauts polymères

Also Published As

Publication number Publication date
BE715660A (forum.php) 1968-11-25
NL155756B (nl) 1978-02-15
NL6806934A (forum.php) 1968-11-27
DE1778630B1 (de) 1974-03-28
FR1532472A (fr) 1968-07-12
GB1226422A (forum.php) 1971-03-31

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee