GB1517463A - Extrusion foamed article and process for producing the same - Google Patents

Extrusion foamed article and process for producing the same

Info

Publication number
GB1517463A
GB1517463A GB11654/76A GB1165476A GB1517463A GB 1517463 A GB1517463 A GB 1517463A GB 11654/76 A GB11654/76 A GB 11654/76A GB 1165476 A GB1165476 A GB 1165476A GB 1517463 A GB1517463 A GB 1517463A
Authority
GB
United Kingdom
Prior art keywords
per cent
mol per
pressure
extrudate
march
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
GB11654/76A
Other languages
English (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.)
Asahi Dow Ltd
Original Assignee
Asahi Dow Ltd
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
Priority claimed from JP3575875A external-priority patent/JPS5316826B2/ja
Priority claimed from JP50123546A external-priority patent/JPS5247863A/ja
Application filed by Asahi Dow Ltd filed Critical Asahi Dow Ltd
Publication of GB1517463A publication Critical patent/GB1517463A/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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • 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
    • C08J2457/00—Characterised by the use of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB11654/76A 1975-03-25 1976-03-23 Extrusion foamed article and process for producing the same Expired GB1517463A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3575875A JPS5316826B2 (enrdf_load_stackoverflow) 1975-03-25 1975-03-25
JP50123546A JPS5247863A (en) 1975-10-14 1975-10-14 Process for manufacturing thermoplastic resin foam

Publications (1)

Publication Number Publication Date
GB1517463A true GB1517463A (en) 1978-07-12

Family

ID=26374753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11654/76A Expired GB1517463A (en) 1975-03-25 1976-03-23 Extrusion foamed article and process for producing the same

Country Status (4)

Country Link
CA (1) CA1073620A (enrdf_load_stackoverflow)
DE (1) DE2612361C3 (enrdf_load_stackoverflow)
FR (1) FR2305293A1 (enrdf_load_stackoverflow)
GB (1) GB1517463A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1532472A (fr) * 1967-05-26 1968-07-12 Pechiney Saint Gobain 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
DE1704479C3 (de) * 1967-06-16 1975-08-14 Basf Ag, 6700 Ludwigshafen Offenzellige Schäume aus Äthylencopolymerisaten
JPS4935471A (enrdf_load_stackoverflow) * 1972-08-07 1974-04-02
JPS5721453B2 (enrdf_load_stackoverflow) * 1973-07-06 1982-05-07

Also Published As

Publication number Publication date
FR2305293B1 (enrdf_load_stackoverflow) 1979-04-20
FR2305293A1 (fr) 1976-10-22
DE2612361B2 (de) 1981-04-30
CA1073620A (en) 1980-03-18
DE2612361C3 (de) 1982-03-18
DE2612361A1 (de) 1976-10-07

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19960322