FR2238718A1 - Polystyrene particles of uniform size, esp. for foams - by polymerising in suspension of fine polystyrene particles, contg. catalyst and polymn retarder - Google Patents

Polystyrene particles of uniform size, esp. for foams - by polymerising in suspension of fine polystyrene particles, contg. catalyst and polymn retarder

Info

Publication number
FR2238718A1
FR2238718A1 FR7327675A FR7327675A FR2238718A1 FR 2238718 A1 FR2238718 A1 FR 2238718A1 FR 7327675 A FR7327675 A FR 7327675A FR 7327675 A FR7327675 A FR 7327675A FR 2238718 A1 FR2238718 A1 FR 2238718A1
Authority
FR
France
Prior art keywords
polystyrene particles
catalyst
polymerising
esp
retarder
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.)
Granted
Application number
FR7327675A
Other languages
English (en)
Other versions
FR2238718B1 (fr
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to GB3599473A priority Critical patent/GB1416405A/en
Priority to FR7327675A priority patent/FR2238718A1/fr
Priority to DE2338132A priority patent/DE2338132C3/de
Publication of FR2238718A1 publication Critical patent/FR2238718A1/fr
Application granted granted Critical
Publication of FR2238718B1 publication Critical patent/FR2238718B1/fr
Granted 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F257/00—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F257/00—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00
    • C08F257/02—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00 on to polymers of styrene or alkyl-substituted styrenes
    • 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
    • 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

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)
  • Polymerisation Methods In General (AREA)
FR7327675A 1973-07-27 1973-07-27 Polystyrene particles of uniform size, esp. for foams - by polymerising in suspension of fine polystyrene particles, contg. catalyst and polymn retarder Granted FR2238718A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3599473A GB1416405A (en) 1973-07-27 1973-07-27 Process for preparing styrenic polymer particles
FR7327675A FR2238718A1 (en) 1973-07-27 1973-07-27 Polystyrene particles of uniform size, esp. for foams - by polymerising in suspension of fine polystyrene particles, contg. catalyst and polymn retarder
DE2338132A DE2338132C3 (de) 1973-07-27 1973-07-27 Verfahren zur Herstellung von Styrolperlpolymerisat

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB3599473A GB1416405A (en) 1973-07-27 1973-07-27 Process for preparing styrenic polymer particles
FR7327675A FR2238718A1 (en) 1973-07-27 1973-07-27 Polystyrene particles of uniform size, esp. for foams - by polymerising in suspension of fine polystyrene particles, contg. catalyst and polymn retarder
DE2338132A DE2338132C3 (de) 1973-07-27 1973-07-27 Verfahren zur Herstellung von Styrolperlpolymerisat

Publications (2)

Publication Number Publication Date
FR2238718A1 true FR2238718A1 (en) 1975-02-21
FR2238718B1 FR2238718B1 (fr) 1977-02-25

Family

ID=63798716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327675A Granted FR2238718A1 (en) 1973-07-27 1973-07-27 Polystyrene particles of uniform size, esp. for foams - by polymerising in suspension of fine polystyrene particles, contg. catalyst and polymn retarder

Country Status (3)

Country Link
DE (1) DE2338132C3 (fr)
FR (1) FR2238718A1 (fr)
GB (1) GB1416405A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2310361A1 (fr) * 1975-05-09 1976-12-03 Basf Ag Polymerisats de styrene finement divises, expansibles, de bonne ouvrabilite
FR2352858A1 (fr) * 1976-05-24 1977-12-23 Arco Polymers Inc Anti-oxydants phenoliques pour composes halogenes non-polymeres durant l'impregnation de particules de polymeres de styrene

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2733471A1 (de) * 1977-07-25 1979-02-15 Basf Ag Verfahren zur wiederverwendung von dekantermaterial, das bei der aufarbeitung des abwassers aus der produktion von polystyrol anfaellt
DE2734607A1 (de) * 1977-08-01 1979-02-15 Basf Ag Verfahren zur herstellung von kugelfoermigen, expandierbaren styrolpolymerisaten
EP0013073B1 (fr) * 1978-12-20 1982-09-22 Mobil Oil Corporation Mélanges réticulables par radiations ionisautes d'un polymère de p-méthylstyrène et d'un monomère polyinsaturé et objets formés obtenus
US4333969A (en) 1980-12-23 1982-06-08 Atlantic Richfield Company Process for producing styrenic polymer beads of preferred bead size
CA1207950A (fr) * 1982-08-02 1986-07-15 William I. Harris Resines echangeuses d'ions
US4582859A (en) * 1983-12-02 1986-04-15 Rohm And Haas Company Process for producing an expanded seed copolymer and product therefrom
JPH04292602A (ja) * 1991-03-22 1992-10-16 Tokyo Organ Chem Ind Ltd 表面多孔型の架橋共重合体ビーズの製造方法
CN1036068C (zh) * 1991-03-22 1997-10-08 罗姆和哈斯公司 表面多孔的交联共聚物微球的制备方法
GB9721603D0 (en) 1997-10-10 1997-12-10 Dyno Ind Asa Method
BR9812761A (pt) * 1997-10-10 2000-08-29 Dyno Specialty Polymers As Processo para a preparação de um polìmero particulado, material polimérico particulado substancialmente monodisperso, e, processo para a preparação de partìculas de polìmero por polimerização em suspensão semeada
EP1171494B1 (fr) * 1999-04-09 2006-01-11 Microbeads AS Preparation de particules polymeres
CA2369293C (fr) 1999-04-09 2010-06-08 Dynal Particles As Procede pour preparer des particules polymeres monodispersees
JP4524279B2 (ja) 2003-04-14 2010-08-11 アクゾ ノーベル ナムローゼ フェンノートシャップ スチレンが重合される縣濁プロセスへのパーオキシドの配量
US9193839B2 (en) * 2014-03-14 2015-11-24 Fina Technology, Inc. Crosslinking control in high impact polystyrene manufacturing process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2310361A1 (fr) * 1975-05-09 1976-12-03 Basf Ag Polymerisats de styrene finement divises, expansibles, de bonne ouvrabilite
FR2352858A1 (fr) * 1976-05-24 1977-12-23 Arco Polymers Inc Anti-oxydants phenoliques pour composes halogenes non-polymeres durant l'impregnation de particules de polymeres de styrene

Also Published As

Publication number Publication date
DE2338132C3 (de) 1980-09-25
GB1416405A (en) 1975-12-03
DE2338132A1 (de) 1975-02-27
DE2338132B2 (de) 1980-01-31
FR2238718B1 (fr) 1977-02-25

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