CA1116799A - Expandible polystyrene particles and process for preparing same - Google Patents

Expandible polystyrene particles and process for preparing same

Info

Publication number
CA1116799A
CA1116799A CA000305508A CA305508A CA1116799A CA 1116799 A CA1116799 A CA 1116799A CA 000305508 A CA000305508 A CA 000305508A CA 305508 A CA305508 A CA 305508A CA 1116799 A CA1116799 A CA 1116799A
Authority
CA
Canada
Prior art keywords
carbon atoms
styrene
expandible
halogen
weight
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
CA000305508A
Other languages
English (en)
French (fr)
Inventor
Guido Bertazzoni
Gianfranco Biglione
Antonio Alvares
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 IT2478477A external-priority patent/IT1115353B/it
Priority claimed from IT25227/77A external-priority patent/IT1080686B/it
Application filed by Montedison SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of CA1116799A publication Critical patent/CA1116799A/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
    • C08J9/20—Making expandable particles by suspension polymerisation in the presence of the blowing agent
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • 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)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA000305508A 1977-06-17 1978-06-15 Expandible polystyrene particles and process for preparing same Expired CA1116799A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT24784A/77 1977-06-17
IT2478477A IT1115353B (it) 1977-06-17 1977-06-17 Procedimento per la produzione di particelle di polistirene espandibile, per l'ottenimento di corpi stampati a struttura cellulare con elevate caratteristiche
IT25227A/77 1977-06-30
IT25227/77A IT1080686B (it) 1977-06-30 1977-06-30 Particelle di polstirene espandibili migliorate e procedimento per la loro produzione

Publications (1)

Publication Number Publication Date
CA1116799A true CA1116799A (en) 1982-01-19

Family

ID=26328538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000305508A Expired CA1116799A (en) 1977-06-17 1978-06-15 Expandible polystyrene particles and process for preparing same

Country Status (7)

Country Link
JP (1) JPS5433570A (da)
CA (1) CA1116799A (da)
DE (1) DE2826459A1 (da)
DK (1) DK264378A (da)
FR (1) FR2394575A1 (da)
GB (2) GB1591979A (da)
NL (1) NL7806418A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58208332A (ja) * 1982-05-28 1983-12-05 Kanegafuchi Chem Ind Co Ltd 良好な成形性を有する発泡性熱可塑性重合体粒子

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT979365B (it) * 1973-02-22 1974-09-30 Montedison Spa Procedimento per la produzione di particelle di polistirene espandibile per l ottenimento di corpi stampati a strutttura cellulare con elevate caratte ristiche

Also Published As

Publication number Publication date
FR2394575A1 (fr) 1979-01-12
FR2394575B1 (da) 1981-08-07
NL7806418A (nl) 1978-12-19
GB1591979A (en) 1981-07-01
DK264378A (da) 1978-12-18
GB1591980A (en) 1981-07-01
DE2826459A1 (de) 1979-01-04
JPS5433570A (en) 1979-03-12

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Legal Events

Date Code Title Description
MKEX Expiry