IT1080686B - Particelle di polstirene espandibili migliorate e procedimento per la loro produzione - Google Patents
Particelle di polstirene espandibili migliorate e procedimento per la loro produzioneInfo
- 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
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)
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 |
GB2524278A GB1591979A (en) | 1977-06-17 | 1978-05-31 | Expandible particles of styrene polymer and process for prreparing same |
GB4294079A GB1591980A (en) | 1977-06-17 | 1978-05-31 | Expandible particles of styrene polymer and process for preparing same |
DK264378A DK264378A (da) | 1977-06-17 | 1978-06-13 | Ekspanderbare polystyrenpartiker samt fremgangsmaade til fremstilling deraf |
NL7806418A NL7806418A (nl) | 1977-06-17 | 1978-06-13 | Verbeterde uitzetbare polystyreendeeltjes en werkwijze voor het vervaardigen daarvan. |
FR7817941A FR2394575A1 (fr) | 1977-06-17 | 1978-06-15 | Particules de polystyrene expansible et procede de preparation |
CA000305508A CA1116799A (en) | 1977-06-17 | 1978-06-15 | Expandible polystyrene particles and process for preparing same |
JP7311578A JPS5433570A (en) | 1977-06-17 | 1978-06-16 | Improved foaming polystyrene particle and its manufacture |
DE19782826459 DE2826459A1 (de) | 1977-06-17 | 1978-06-16 | Verschaeumbare polystyrolteilchen und verfahren zu deren herstellung |
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)
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)
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 |
-
1977
- 1977-06-30 IT IT25227/77A patent/IT1080686B/it active
-
1978
- 1978-06-28 US US05/920,071 patent/US4172928A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4172928A (en) | 1979-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960124 |