IT1080686B - Particelle di polstirene espandibili migliorate e procedimento per la loro produzione - Google Patents

Particelle di polstirene espandibili migliorate e procedimento per la loro produzione

Info

Publication number
IT1080686B
IT1080686B IT25227/77A IT2522777A IT1080686B IT 1080686 B IT1080686 B IT 1080686B IT 25227/77 A IT25227/77 A IT 25227/77A IT 2522777 A IT2522777 A IT 2522777A IT 1080686 B IT1080686 B IT 1080686B
Authority
IT
Italy
Prior art keywords
procedure
production
polystyrene particles
expandable polystyrene
improved expandable
Prior art date
Application number
IT25227/77A
Other languages
English (en)
Inventor
Antonio Alvares
Guido Bertazzoni
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
Application filed by Montedison Spa filed Critical Montedison Spa
Priority to IT25227/77A priority Critical patent/IT1080686B/it
Priority to GB2524278A priority patent/GB1591979A/en
Priority to GB4294079A priority patent/GB1591980A/en
Priority to DK264378A priority patent/DK264378A/da
Priority to NL7806418A priority patent/NL7806418A/xx
Priority to CA000305508A priority patent/CA1116799A/en
Priority to FR7817941A priority patent/FR2394575A1/fr
Priority to DE19782826459 priority patent/DE2826459A1/de
Priority to JP7311578A priority patent/JPS5433570A/ja
Priority to US05/920,071 priority patent/US4172928A/en
Application granted granted Critical
Publication of IT1080686B publication Critical patent/IT1080686B/it

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/907—Nonurethane flameproofed cellular product

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)
IT25227/77A 1977-06-17 1977-06-30 Particelle di polstirene espandibili migliorate e procedimento per la loro produzione IT1080686B (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
IT25227/77A IT1080686B (it) 1977-06-30 1977-06-30 Particelle di polstirene espandibili migliorate e procedimento per la loro produzione
GB4294079A GB1591980A (en) 1977-06-17 1978-05-31 Expandible particles of styrene polymer and process for preparing same
GB2524278A GB1591979A (en) 1977-06-17 1978-05-31 Expandible particles of styrene polymer and process for prreparing same
NL7806418A NL7806418A (nl) 1977-06-17 1978-06-13 Verbeterde uitzetbare polystyreendeeltjes en werkwijze voor het vervaardigen daarvan.
DK264378A DK264378A (da) 1977-06-17 1978-06-13 Ekspanderbare polystyrenpartiker samt fremgangsmaade til fremstilling deraf
CA000305508A CA1116799A (en) 1977-06-17 1978-06-15 Expandible polystyrene particles and process for preparing same
FR7817941A FR2394575A1 (fr) 1977-06-17 1978-06-15 Particules de polystyrene expansible et procede de preparation
DE19782826459 DE2826459A1 (de) 1977-06-17 1978-06-16 Verschaeumbare polystyrolteilchen und verfahren zu deren herstellung
JP7311578A JPS5433570A (en) 1977-06-17 1978-06-16 Improved foaming polystyrene particle and its manufacture
US05/920,071 US4172928A (en) 1977-06-30 1978-06-28 Expandible particles of styrene polymers and process for preparing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
IT1080686B true IT1080686B (it) 1985-05-16

Family

ID=11216058

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25227/77A IT1080686B (it) 1977-06-17 1977-06-30 Particelle di polstirene espandibili migliorate e procedimento per la loro produzione

Country Status (2)

Country Link
US (1) US4172928A (it)
IT (1) IT1080686B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485193A (en) * 1983-05-10 1984-11-27 The Dow Chemical Company Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor
IT1247958B (it) 1991-05-31 1995-01-05 Montedipe Srl Procedimento per la produzione di particelle espandibili di polimeri stirenici aventi migliorate caratteristiche di processabilita` e meccaniche.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL285020A (it) * 1961-11-02
US3271333A (en) * 1963-03-28 1966-09-06 Dow Chemical Co Self-extinguishing alkenyl aromatic polymers

Also Published As

Publication number Publication date
US4172928A (en) 1979-10-30

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Effective date: 19960124