GB1294961A - - Google Patents

Info

Publication number
GB1294961A
GB1294961A GB1294961DA GB1294961A GB 1294961 A GB1294961 A GB 1294961A GB 1294961D A GB1294961D A GB 1294961DA GB 1294961 A GB1294961 A GB 1294961A
Authority
GB
United Kingdom
Prior art keywords
expanding agent
polymer
expanding
pressure
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
Other languages
English (en)
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 filed Critical
Publication of GB1294961A publication Critical patent/GB1294961A/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
    • 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
    • C08J9/141—Hydrocarbons
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • C08J2325/00—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 an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene

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)
GB1294961D 1969-03-29 1970-03-26 Expired GB1294961A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691916297 DE1916297A1 (de) 1969-03-29 1969-03-29 Verfahren zur kontinuierlichen Herstellung von schaumfoermigen Thermoplasten

Publications (1)

Publication Number Publication Date
GB1294961A true GB1294961A (enrdf_load_stackoverflow) 1972-11-01

Family

ID=5729787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1294961D Expired GB1294961A (enrdf_load_stackoverflow) 1969-03-29 1970-03-26

Country Status (7)

Country Link
AT (1) AT309798B (enrdf_load_stackoverflow)
BE (1) BE748144A (enrdf_load_stackoverflow)
DE (1) DE1916297A1 (enrdf_load_stackoverflow)
FR (1) FR2037285B1 (enrdf_load_stackoverflow)
GB (1) GB1294961A (enrdf_load_stackoverflow)
NL (1) NL7004442A (enrdf_load_stackoverflow)
SE (1) SE349978B (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150214A (en) * 1959-11-23 1964-09-22 Owens Illinois Glass Co Method of extruding a foamed plastic composition
GB1140146A (en) * 1965-04-30 1969-01-15 Ici Ltd Improvements in foamed copolymer articles

Also Published As

Publication number Publication date
AT309798B (de) 1973-09-10
FR2037285A1 (enrdf_load_stackoverflow) 1970-12-31
BE748144A (fr) 1970-09-28
NL7004442A (enrdf_load_stackoverflow) 1970-10-01
SE349978B (enrdf_load_stackoverflow) 1972-10-16
FR2037285B1 (enrdf_load_stackoverflow) 1974-03-01
DE1916297A1 (de) 1970-10-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees