GB1494927A - Styrene polymers expandable to give low density foams - Google Patents

Styrene polymers expandable to give low density foams

Info

Publication number
GB1494927A
GB1494927A GB17214/75A GB1721475A GB1494927A GB 1494927 A GB1494927 A GB 1494927A GB 17214/75 A GB17214/75 A GB 17214/75A GB 1721475 A GB1721475 A GB 1721475A GB 1494927 A GB1494927 A GB 1494927A
Authority
GB
United Kingdom
Prior art keywords
styrene polymers
polymer
low density
foamable
styrene
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
GB17214/75A
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of GB1494927A publication Critical patent/GB1494927A/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
    • C08J9/16—Making expandable particles
    • 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
    • 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)

Abstract

1494927 Foamable plasticized styrene polymers BASF AG 25 April 1975 [26 April 1974] 17214/75 Heading C3C A foamable moulding material comprises a styrene polymer (containing at least 50% by wt. of styrene units) contains 2-8% by wt. (based on the polymer) of isobutane, isobutene or a C 4 hydrocarbon mixture containing more than 50% by wt. of branched C 4 hydrocarbons as blowing agent and 0À2-2% by wt. (based on the polymer) of a C 8-16 aliphatic hydrocarbon as plasticizer. The foamable material may also contain n-pentane and as flame proofing agent a synergistic mixture of bromine compound and a peroxide, e.g. hexabromocyclododecane and dicumyl peroxide. The examples used n-octane as plasticizer, n-hexadecane may also be used.
GB17214/75A 1974-04-26 1975-04-25 Styrene polymers expandable to give low density foams Expired GB1494927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2420298A DE2420298A1 (en) 1974-04-26 1974-04-26 STYRENE POLYMERISATE EXPANDABLE FOR LOW DENSITY FOAM

Publications (1)

Publication Number Publication Date
GB1494927A true GB1494927A (en) 1977-12-14

Family

ID=5914059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17214/75A Expired GB1494927A (en) 1974-04-26 1975-04-25 Styrene polymers expandable to give low density foams

Country Status (12)

Country Link
JP (1) JPS5910376B2 (en)
AR (1) AR202369A1 (en)
AU (1) AU8031975A (en)
BE (1) BE828400A (en)
BR (1) BR7502387A (en)
CH (1) CH594014A5 (en)
DE (1) DE2420298A1 (en)
FR (1) FR2268829A1 (en)
GB (1) GB1494927A (en)
IT (1) IT1035393B (en)
NL (1) NL7504759A (en)
SE (1) SE7504780L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE402922B (en) * 1976-12-10 1978-07-24 Kemanobel Ab PREPARATION OF EXPANDABLE PEARLS OF A THERMOPLASTIC MATERIAL THROUGH SUSPENSION POLYMERIZATION, WHERE THE REACTION VESSEL DURING THE ENTIRE POLYMERIZATION IS FILLED WITH LIQUID REACTION MEDIUM
DE2748962A1 (en) * 1977-11-02 1979-05-03 Basf Ag FLAME RESISTANT POLYMERIZES
DE3234660C2 (en) * 1982-09-18 1984-07-19 Basf Ag, 6700 Ludwigshafen Process for the production of particulate, blowing agent-containing styrene polymers
DE3234664A1 (en) * 1982-09-18 1984-03-22 Basf Ag, 6700 Ludwigshafen FOAM PLASTIC PARTICLES BASED ON POLY-P-METHYLSTYROL

Also Published As

Publication number Publication date
JPS5910376B2 (en) 1984-03-08
AU8031975A (en) 1976-10-21
AR202369A1 (en) 1975-05-30
JPS50148475A (en) 1975-11-28
DE2420298A1 (en) 1975-11-06
SE7504780L (en) 1975-10-27
BR7502387A (en) 1976-03-03
CH594014A5 (en) 1977-12-30
NL7504759A (en) 1975-10-28
FR2268829A1 (en) 1975-11-21
IT1035393B (en) 1979-10-20
BE828400A (en) 1975-10-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee