IT1247958B - Procedimento per la produzione di particelle espandibili di polimeri stirenici aventi migliorate caratteristiche di processabilita` e meccaniche. - Google Patents

Procedimento per la produzione di particelle espandibili di polimeri stirenici aventi migliorate caratteristiche di processabilita` e meccaniche.

Info

Publication number
IT1247958B
IT1247958B ITMI911502A ITMI911502A IT1247958B IT 1247958 B IT1247958 B IT 1247958B IT MI911502 A ITMI911502 A IT MI911502A IT MI911502 A ITMI911502 A IT MI911502A IT 1247958 B IT1247958 B IT 1247958B
Authority
IT
Italy
Prior art keywords
production
procedure
polymer particles
mechanical characteristics
styrene polymer
Prior art date
Application number
ITMI911502A
Other languages
English (en)
Inventor
Francesco Anfuso
Roberto Lanfredi
Gianfranco Veroli
Italo Borghi
Original Assignee
Montedipe Srl
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 Montedipe Srl filed Critical Montedipe Srl
Publication of ITMI911502A0 publication Critical patent/ITMI911502A0/it
Priority to ITMI911502A priority Critical patent/IT1247958B/it
Priority to FI922440A priority patent/FI106867B/fi
Priority to BR929202019A priority patent/BR9202019A/pt
Priority to ZA923907A priority patent/ZA923907B/xx
Priority to NO19922119A priority patent/NO302897B1/no
Priority to US07/888,616 priority patent/US5308878A/en
Priority to JP13542892A priority patent/JP3281412B2/ja
Priority to BG96391A priority patent/BG61193B1/bg
Priority to TNTNSN92041A priority patent/TNSN92041A1/fr
Priority to CA002069818A priority patent/CA2069818C/en
Priority to SK1627-92A priority patent/SK281431B6/sk
Priority to AU17259/92A priority patent/AU645204B2/en
Priority to CS921627A priority patent/CZ285272B6/cs
Priority to RO92-200740A priority patent/RO110513B1/ro
Priority to SU925011599A priority patent/RU2089565C1/ru
Priority to HU9201800A priority patent/HU212902B/hu
Priority to DE69229894T priority patent/DE69229894T2/de
Priority to ES92109099T priority patent/ES2137165T3/es
Priority to PL92294738A priority patent/PL169781B1/pl
Priority to EP92109099A priority patent/EP0518140B1/en
Priority to AT92109099T priority patent/ATE184037T1/de
Priority to DK92109099T priority patent/DK0518140T3/da
Priority to TW081104239A priority patent/TW234720B/zh
Priority to KR1019920009401A priority patent/KR100202075B1/ko
Publication of ITMI911502A1 publication Critical patent/ITMI911502A1/it
Application granted granted Critical
Publication of IT1247958B publication Critical patent/IT1247958B/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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/224—Surface treatment
    • 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
    • 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Sealing Material Composition (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

Procedimento per la produzione di particelle espandibili di polimeri stirenici consistente nel sottoporre dette particelle ad una parziale perdita dell'agente espandente effettuata in stufa ad una temperatura inferiore a quella di transizione vetrosa (Tg) delle particelle.
ITMI911502A 1991-05-31 1991-05-31 Procedimento per la produzione di particelle espandibili di polimeri stirenici aventi migliorate caratteristiche di processabilita` e meccaniche. IT1247958B (it)

Priority Applications (24)

Application Number Priority Date Filing Date Title
ITMI911502A IT1247958B (it) 1991-05-31 1991-05-31 Procedimento per la produzione di particelle espandibili di polimeri stirenici aventi migliorate caratteristiche di processabilita` e meccaniche.
FI922440A FI106867B (fi) 1991-05-31 1992-05-27 Menetelmä parantuneet työstettävyys- ja mekaaniset ominaisuudet omaavien vaahdotettavien styreenipolymeerien partikkelien valmistamiseksi sekä styreenisten polymeerien vaahdotettavat partikkelit
BR929202019A BR9202019A (pt) 1991-05-31 1992-05-27 Processo para produzir particulas espumaveis de polimeros estirencos,e,particulas espumaveis
ZA923907A ZA923907B (en) 1991-05-31 1992-05-27 Process for producing foamable particles of styrenic polymers, endowed with improved processability and mechanical properties.
NO19922119A NO302897B1 (no) 1991-05-31 1992-05-27 Fremgangsmåte for fremstilling av skumbare styrenpolymerpartikler
US07/888,616 US5308878A (en) 1991-05-31 1992-05-27 Process for producing foamable particles of styrenic polymers, having improved processability and mechanical properties
CS921627A CZ285272B6 (cs) 1991-05-31 1992-05-28 Způsob výroby zpěnitelných částic styrenových polymerů
BG96391A BG61193B1 (bg) 1991-05-31 1992-05-28 Метод за получаване на разпенващи се частици от стиролови полимери с подобрена преработваемост и механични свойства
TNTNSN92041A TNSN92041A1 (fr) 1991-05-31 1992-05-28 Procede pour la production de particules moussantes de polymeres de styrene, dotees de proprietes d'aptitude au traitement et mecaniques ameliorees
CA002069818A CA2069818C (en) 1991-05-31 1992-05-28 Process for producing foamable particles of styrenic polymers
SK1627-92A SK281431B6 (sk) 1991-05-31 1992-05-28 Spôsob výroby speniteľných častíc styrénových polymérov
AU17259/92A AU645204B2 (en) 1991-05-31 1992-05-28 Process for producing foamable particles of styrenic polymers, endowed with improved processability and mechanical properties
JP13542892A JP3281412B2 (ja) 1991-05-31 1992-05-28 加工性及び機械的性質が改良されたスチレン性ポリマーの発泡性粒子の製造方法
RO92-200740A RO110513B1 (ro) 1991-05-31 1992-05-28 Procedeu pentru obtinerea polimerilor expandati
ES92109099T ES2137165T3 (es) 1991-05-31 1992-05-29 Procedimiento para producir particulas espumables de polimeros estirenicos.
HU9201800A HU212902B (en) 1991-05-31 1992-05-29 Process for producing foamable styrene-containing polymer particles
DE69229894T DE69229894T2 (de) 1991-05-31 1992-05-29 Verfahren zur Herstellung von expandierbaren Partikeln aus Styrolpolymer
SU925011599A RU2089565C1 (ru) 1991-05-31 1992-05-29 Способ получения вспененного полистирола и вспененный полистирол
PL92294738A PL169781B1 (pl) 1991-05-31 1992-05-29 Sposób wytwarzania spienialnych czastek polimerów styrenowych PL PL
EP92109099A EP0518140B1 (en) 1991-05-31 1992-05-29 Process for producing foamable particles of styrenic polymers
AT92109099T ATE184037T1 (de) 1991-05-31 1992-05-29 Verfahren zur herstellung von expandierbaren partikeln aus styrolpolymer
DK92109099T DK0518140T3 (da) 1991-05-31 1992-05-29 Fremgangsmåde til fremstilling af opskummelige partikler af styrenpolymerer
TW081104239A TW234720B (it) 1991-05-31 1992-05-30
KR1019920009401A KR100202075B1 (ko) 1991-05-31 1992-05-30 가공성과 기계적 성질이 향상된 스티렌계 중합체 발포성 입자의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI911502A IT1247958B (it) 1991-05-31 1991-05-31 Procedimento per la produzione di particelle espandibili di polimeri stirenici aventi migliorate caratteristiche di processabilita` e meccaniche.

Publications (3)

Publication Number Publication Date
ITMI911502A0 ITMI911502A0 (it) 1991-05-31
ITMI911502A1 ITMI911502A1 (it) 1992-12-01
IT1247958B true IT1247958B (it) 1995-01-05

Family

ID=11360029

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI911502A IT1247958B (it) 1991-05-31 1991-05-31 Procedimento per la produzione di particelle espandibili di polimeri stirenici aventi migliorate caratteristiche di processabilita` e meccaniche.

Country Status (24)

Country Link
US (1) US5308878A (it)
EP (1) EP0518140B1 (it)
JP (1) JP3281412B2 (it)
KR (1) KR100202075B1 (it)
AT (1) ATE184037T1 (it)
AU (1) AU645204B2 (it)
BG (1) BG61193B1 (it)
BR (1) BR9202019A (it)
CA (1) CA2069818C (it)
CZ (1) CZ285272B6 (it)
DE (1) DE69229894T2 (it)
DK (1) DK0518140T3 (it)
ES (1) ES2137165T3 (it)
FI (1) FI106867B (it)
HU (1) HU212902B (it)
IT (1) IT1247958B (it)
NO (1) NO302897B1 (it)
PL (1) PL169781B1 (it)
RO (1) RO110513B1 (it)
RU (1) RU2089565C1 (it)
SK (1) SK281431B6 (it)
TN (1) TNSN92041A1 (it)
TW (1) TW234720B (it)
ZA (1) ZA923907B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1289606B1 (it) * 1997-01-30 1998-10-15 Enichem Spa Procedimento per la produzione di particelle espandibili di polimeri stirenici
EP1444294B1 (en) 2001-09-28 2008-01-16 Basf Corporation Anti-lumping compounds for use with expandable polystyrenes
IT1366567B (it) * 2005-10-18 2009-10-06 Polimeri Europa Spa Granulati espandibili a basemdi polimeri vinilaromatici dotati di migliorata espansibilita'e procedimento per la loro preparazione
WO2011071408A1 (ru) * 2009-12-11 2011-06-16 Gurichev Victor Borisovich Способ получения влаговпитывающей ленты из вспененного полистирола и упаковка
RU2443559C1 (ru) * 2010-08-05 2012-02-27 Виктор Борисович Гуричев Способ формования изделий для упаковки продуктов, устройство горячего формования изделий и способ увеличения толщины стенок изделий для упаковки продуктов при формовании
JP2013023565A (ja) * 2011-07-20 2013-02-04 Sekisui Plastics Co Ltd 中低倍発泡成形用発泡性ポリスチレン系樹脂粒子、発泡粒子、発泡成形体及び発泡成形体の製造方法
CN106749791B (zh) * 2016-12-07 2018-10-23 河海大学 一种低密度聚苯乙烯微球及其制备方法
CN109134912A (zh) * 2018-06-29 2019-01-04 芜湖市新京桥包装科技有限公司 一种提升聚苯乙烯缓冲性能和强度的发泡剂
JP7448401B2 (ja) * 2020-03-31 2024-03-12 積水化成品工業株式会社 納豆容器の製造方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941389C (de) 1951-04-19 1956-04-12 Basf Ag Verfahren zur Herstellung poroeser Formkoerper aus thermoplastischen Kunststoffen
BE532626A (it) * 1953-11-24
DE1229722B (de) 1957-11-29 1966-12-01 Dow Chemical Co Verfahren zum Herstellen verschaeumbarer Formmassen aus vinylaromatischen Polymerisaten
DE1174969B (de) 1959-07-08 1964-07-30 Basf Ag Verfahren und Vorrichtung zur Herstellung von blaehfaehigen thermoplastischen Kunst-stoffen in kleinteiliger Form
DE1165269B (de) 1962-08-29 1964-03-12 Basf Ag Verfahren zur kontinuierlichen Herstellung von feinteiligen expandierbaren Styrolpolymerisaten
US4169193A (en) * 1973-02-22 1979-09-25 Montedison S.P.A. Process for preparing expandible poly-styrene particles useful for obtaining molded bodies having a cellular structure
US4200696A (en) * 1974-02-21 1980-04-29 Montedison S.P.A. Process for preparing expandible particles of styrene-based polymers
GB1478164A (en) * 1974-11-22 1977-06-29 Kent Ltd G Apparatus for providing a controlled concentration of a gas in a flow of liquid
DE2553299A1 (de) * 1975-11-27 1977-06-08 Basf Ag Verfahren zur verringerung des treibmittelgehaltes von expandierbaren styrolpolymerisaten
IT1080686B (it) * 1977-06-30 1985-05-16 Montedison Spa Particelle di polstirene espandibili migliorate e procedimento per la loro produzione
US4226942A (en) * 1978-08-15 1980-10-07 Monsanto Company Foamable resins process
JPS5846211B2 (ja) * 1979-03-10 1983-10-14 電気化学工業株式会社 発泡性スチレン系重合体粒子及びその製法
DE3030053A1 (de) 1980-08-08 1982-03-25 Basf Ag, 6700 Ludwigshafen Teilchenfoermige, treibmittelhaltige styrolpolymerisate und deren verwendung
US4599366A (en) * 1985-12-23 1986-07-08 Atlantic Richfield Company Anti-static styrene polymer particles
JPH0742362B2 (ja) * 1988-05-17 1995-05-10 鐘淵化学工業株式会社 発泡性スチレン系樹脂粒子及びその製造方法
JPH0627212B2 (ja) * 1988-07-22 1994-04-13 鐘淵化学工業株式会社 発泡性スチレン系樹脂粒子及びその製造方法

Also Published As

Publication number Publication date
FI922440A0 (fi) 1992-05-27
AU1725992A (en) 1992-12-03
HU9201800D0 (en) 1992-08-28
NO922119D0 (no) 1992-05-27
RU2089565C1 (ru) 1997-09-10
ITMI911502A1 (it) 1992-12-01
RO110513B1 (ro) 1996-01-30
PL169781B1 (pl) 1996-08-30
BR9202019A (pt) 1993-01-19
CA2069818C (en) 2004-08-03
FI106867B (fi) 2001-04-30
NO302897B2 (no) 1998-05-04
FI922440A (fi) 1992-12-01
ES2137165T3 (es) 1999-12-16
AU645204B2 (en) 1994-01-06
ITMI911502A0 (it) 1991-05-31
KR100202075B1 (ko) 1999-06-15
DE69229894D1 (de) 1999-10-07
HUT62020A (en) 1993-03-29
JP3281412B2 (ja) 2002-05-13
DE69229894T2 (de) 2000-05-31
ZA923907B (en) 1993-03-08
US5308878A (en) 1994-05-03
CZ285272B6 (cs) 1999-06-16
BG96391A (bg) 1993-12-24
PL294738A1 (en) 1993-02-22
ATE184037T1 (de) 1999-09-15
NO302897B1 (no) 1998-05-04
NO922119L (no) 1992-12-01
DK0518140T3 (da) 2000-03-27
KR920021631A (ko) 1992-12-18
SK281431B6 (sk) 2001-03-12
CA2069818A1 (en) 1992-12-01
EP0518140B1 (en) 1999-09-01
HU212902B (en) 1996-12-30
TNSN92041A1 (fr) 1993-06-08
BG61193B1 (bg) 1997-02-28
JPH05156066A (ja) 1993-06-22
TW234720B (it) 1994-11-21
CS162792A3 (en) 1992-12-16
EP0518140A1 (en) 1992-12-16

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970515