CA1046699A - Process for improving the heat resistance of expandable polystyrene - Google Patents

Process for improving the heat resistance of expandable polystyrene

Info

Publication number
CA1046699A
CA1046699A CA224,153A CA224153A CA1046699A CA 1046699 A CA1046699 A CA 1046699A CA 224153 A CA224153 A CA 224153A CA 1046699 A CA1046699 A CA 1046699A
Authority
CA
Canada
Prior art keywords
beads
styrene
weight
blowing agent
agent
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
CA224,153A
Other languages
English (en)
French (fr)
Inventor
Rudolf Uebe
Horst Jastrow
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1046699A publication Critical patent/CA1046699A/en
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
    • C08J9/16Making expandable particles
    • 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
    • C08J9/0014Use of organic additives
    • C08J9/0019Use of organic additives halogenated
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/02Halogenated hydrocarbons
    • 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
    • C08J2325/00Characterised 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 an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02Homopolymers or copolymers of hydrocarbons
    • C08J2325/04Homopolymers or copolymers of styrene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA224,153A 1974-04-08 1975-04-07 Process for improving the heat resistance of expandable polystyrene Expired CA1046699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2416928A DE2416928A1 (de) 1974-04-08 1974-04-08 Verbesserung der waermebelastbarkeit verschaeumbaren polystyrols

Publications (1)

Publication Number Publication Date
CA1046699A true CA1046699A (en) 1979-01-16

Family

ID=5912394

Family Applications (1)

Application Number Title Priority Date Filing Date
CA224,153A Expired CA1046699A (en) 1974-04-08 1975-04-07 Process for improving the heat resistance of expandable polystyrene

Country Status (11)

Country Link
JP (1) JPS50136358A (ru)
BE (1) BE827679A (ru)
CA (1) CA1046699A (ru)
DE (1) DE2416928A1 (ru)
DK (1) DK134820C (ru)
FR (1) FR2266720B1 (ru)
GB (1) GB1470149A (ru)
IE (1) IE41107B1 (ru)
IT (1) IT1034935B (ru)
LU (1) LU72221A1 (ru)
NL (1) NL7503971A (ru)

Also Published As

Publication number Publication date
IE41107L (en) 1975-10-08
DE2416928A1 (de) 1975-10-30
NL7503971A (nl) 1975-10-10
DK147675A (ru) 1975-10-09
LU72221A1 (ru) 1977-02-02
DK134820C (da) 1977-06-13
BE827679A (fr) 1975-10-08
FR2266720A1 (ru) 1975-10-31
GB1470149A (en) 1977-04-14
IE41107B1 (en) 1979-10-24
IT1034935B (it) 1979-10-10
FR2266720B1 (ru) 1978-10-06
DK134820B (da) 1977-01-24
JPS50136358A (ru) 1975-10-29

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