FR1532472A - Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom - Google Patents

Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom

Info

Publication number
FR1532472A
FR1532472A FR108054A FR108054A FR1532472A FR 1532472 A FR1532472 A FR 1532472A FR 108054 A FR108054 A FR 108054A FR 108054 A FR108054 A FR 108054A FR 1532472 A FR1532472 A FR 1532472A
Authority
FR
France
Prior art keywords
foams
extrusion
preparation
vinyl chloride
resulting therefrom
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
FR108054A
Other languages
French (fr)
Inventor
Bernard Neuville
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
Priority to FR108054A priority Critical patent/FR1532472A/en
Priority to NL6806934.A priority patent/NL155756B/en
Priority to DE1778630A priority patent/DE1778630C2/en
Priority to GB1226422D priority patent/GB1226422A/en
Priority to BE715660D priority patent/BE715660A/xx
Application granted granted Critical
Publication of FR1532472A publication Critical patent/FR1532472A/en
Expired 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
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • 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
    • C08J2327/00—Characterised 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
    • C08J2327/02—Characterised 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
    • C08J2327/04—Characterised 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
    • C08J2327/06—Homopolymers 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)
FR108054A 1967-05-26 1967-05-26 Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom Expired FR1532472A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR108054A FR1532472A (en) 1967-05-26 1967-05-26 Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom
NL6806934.A NL155756B (en) 1967-05-26 1968-05-16 PROCESS FOR THE MANUFACTURE OF FOAM ARTICLES BASED ON POLYMERS OR COPOLYMERS OF VINYL CHLORIDE.
DE1778630A DE1778630C2 (en) 1967-05-26 1968-05-17 Process for the production of unplaced polymeric or copolymeric foams
GB1226422D GB1226422A (en) 1967-05-26 1968-05-21
BE715660D BE715660A (en) 1967-05-26 1968-05-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR108054A FR1532472A (en) 1967-05-26 1967-05-26 Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom

Publications (1)

Publication Number Publication Date
FR1532472A true FR1532472A (en) 1968-07-12

Family

ID=8631725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR108054A Expired FR1532472A (en) 1967-05-26 1967-05-26 Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom

Country Status (5)

Country Link
BE (1) BE715660A (en)
DE (1) DE1778630C2 (en)
FR (1) FR1532472A (en)
GB (1) GB1226422A (en)
NL (1) NL155756B (en)

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 (en) * 1957-08-19 1968-02-22 Gruenzweig & Hartmann Process for the continuous production of cell bodies from polymers of vinyl chloride or vinyl aromatic monomers
NL300591A (en) * 1963-11-05
FR1461398A (en) * 1965-05-19 1966-02-25 Pechiney Saint Gobain Turntable extrusion machine for working with high polymers

Also Published As

Publication number Publication date
DE1778630C2 (en) 1974-10-31
NL155756B (en) 1978-02-15
DE1778630B1 (en) 1974-03-28
BE715660A (en) 1968-11-25
NL6806934A (en) 1968-11-27
GB1226422A (en) 1971-03-31

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