DE3479412D1 - A process for the production of expandable granules of thermoplastic polymers and relative apparatus - Google Patents

A process for the production of expandable granules of thermoplastic polymers and relative apparatus

Info

Publication number
DE3479412D1
DE3479412D1 DE8484105701T DE3479412T DE3479412D1 DE 3479412 D1 DE3479412 D1 DE 3479412D1 DE 8484105701 T DE8484105701 T DE 8484105701T DE 3479412 T DE3479412 T DE 3479412T DE 3479412 D1 DE3479412 D1 DE 3479412D1
Authority
DE
Germany
Prior art keywords
production
thermoplastic polymers
expandable granules
relative apparatus
relative
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
DE8484105701T
Other languages
English (en)
Inventor
Gianfranco Biglione
Giuseppe Cigna
Roberto Rinaldi
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
Application filed by Montedison SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of DE3479412D1 publication Critical patent/DE3479412D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3461—Making or treating expandable particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/04—Conditioning or physical treatment of the material to be shaped by cooling
    • B29B13/045—Conditioning or physical treatment of the material to be shaped by cooling of powders or pellets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE8484105701T 1983-05-19 1984-05-18 A process for the production of expandable granules of thermoplastic polymers and relative apparatus Expired DE3479412D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21180/83A IT1163386B (it) 1983-05-19 1983-05-19 Procedimento per la produzione di granuli espandibili di polimeri termoplastici e relativa apparecchiatura

Publications (1)

Publication Number Publication Date
DE3479412D1 true DE3479412D1 (en) 1989-09-21

Family

ID=11177986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484105701T Expired DE3479412D1 (en) 1983-05-19 1984-05-18 A process for the production of expandable granules of thermoplastic polymers and relative apparatus

Country Status (5)

Country Link
US (1) US4606873A (de)
EP (1) EP0126459B1 (de)
JP (1) JPS59221340A (de)
DE (1) DE3479412D1 (de)
IT (1) IT1163386B (de)

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FR2612085B1 (fr) * 1987-03-13 1989-06-16 Insat Materiau granulaire de traitement d'eau et procede de fabrication
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US5190986A (en) * 1990-07-09 1993-03-02 General Electric Company Elastomeric low density foamable compositions and process of making the same and articles made therefrom
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US5288740A (en) * 1992-10-23 1994-02-22 The Dow Chemical Company Process for making alkenyl aromatic foam packing bodies with carbon dioxide and/or ethane blowing agent systems
JP2641122B2 (ja) * 1993-06-22 1997-08-13 積水化成品工業株式会社 熱可塑性樹脂予備発泡粒子の製造方法
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JPH0890556A (ja) * 1994-09-20 1996-04-09 Kanegafuchi Chem Ind Co Ltd オレフィン系樹脂粒子及び予備発泡粒子の製造方法
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US5527553A (en) * 1995-06-07 1996-06-18 Kazemzadeh; Massoud Under oil cutting process for pet food and feed industry
DE19547398A1 (de) * 1995-12-19 1997-06-26 Huels Chemische Werke Ag Verfahren zur Herstellung schäumbarer Kunststoff-Granulate
US5895617A (en) * 1996-07-31 1999-04-20 The Japan Steel Works, Ltd. Method and apparatus for transporting underwater cut pellets
DE19756264C2 (de) * 1997-12-18 2001-09-20 Gefinex Polymerschaeume Gmbh Verfahren zur Herstellung eines aufgeschäumten Granulates
DE19819058C5 (de) * 1998-04-29 2015-06-25 Basf Se Verfahren zur Herstellung von vorgeschäumten EPS-Partikeln mit grober Schaumstruktur aus teilchenförmigen, schwach angeschäumten, expandierten Styrolpolymerisaten
WO2002046284A1 (en) * 2000-12-04 2002-06-13 Nova Chemicals Inc. Foamed cellular particles of an expandable polymer composition
ITMI20012168A1 (it) * 2001-10-18 2003-04-18 Enichem Spa Polimeri vinilaromatici espandibili e procedimento per la loro preparazione
AT410942B (de) * 2001-10-29 2003-08-25 Fellinger Markus Verfahren und vorrichtung zur erhöhung der grenzviskosität von polyester
ITMI20012706A1 (it) * 2001-12-20 2003-06-20 Enichem Spa Procedimento per la produzione di granuli di polimeri termoplastici espandibili ed apparecchiatura adatta allo scopo
ITMI20012708A1 (it) * 2001-12-20 2003-06-20 Enichem Spa Dispositivo per la granulazione a caldo di polimeri termolastici
ITMI20020584A1 (it) * 2002-03-20 2003-09-22 Polimeri Europa Spa Composizioni a base di polimeri vinilaromatici espandibili a migliorata espandibilita'
DE10226749B4 (de) * 2002-06-14 2014-09-04 Basf Se Verfahren zur Herstellung von expandierbarem Polystyrol
US7951449B2 (en) * 2002-06-27 2011-05-31 Wenguang Ma Polyester core materials and structural sandwich composites thereof
US6773739B2 (en) * 2002-08-30 2004-08-10 Wenger Manufacturing, Inc Method and apparatus for extrusion of food products including back pressure valve/diverter
KR101037056B1 (ko) 2003-06-12 2011-05-26 바셀 폴리올레핀 이탈리아 에스.알.엘 중합체 펠렛의 후처리
DE10358800A1 (de) * 2003-12-12 2005-07-14 Basf Ag Expandierbare Styrolpolymergranulate
DE10358798A1 (de) * 2003-12-12 2005-07-14 Basf Ag Expandierbare Styrolpolymergranulate
DE10358804A1 (de) 2003-12-12 2005-07-14 Basf Ag Expandierbare Styrolpolymergranulate mit bi- oder multimodaler Molekulargewichtsverteilung
DE10358805A1 (de) 2003-12-12 2005-07-14 Basf Ag Partikelschaumformteile aus expandierbaren, schlagzähmodifizierten, thermoplastischen Polymergranulaten
EP1702738B1 (de) * 2005-03-17 2013-04-03 Sulzer Chemtech AG Verfahren und Anlage zum kontinuierlichen Herstellen von expandierfähigem Kunststoff-Granulat
ES2403187T3 (es) * 2005-03-17 2013-05-16 Sulzer Chemtech Ag Procedimiento e instalación para la fabricación continua de granulado de plástico que puede expandirse
ITMI20050666A1 (it) 2005-04-15 2006-10-16 Polimeri Europa Spa Procedimento per il migoioramento del potere isolante di polimeri vinilaromatici espansi e prodotti cosi'ottenuti
CH711770B1 (de) * 2006-03-13 2017-05-15 Uhde Inventa-Fischer Ag Verfahren zur Herstellung eines nicht klebenden Granulats aus einem Polyestermaterial und zur Weiterverarbeitung eines so hergestellten Granulats.
BRPI0709627A2 (pt) * 2006-03-22 2011-07-26 Basf Se processo e dispositivo para a granulaÇço de massas fundidas polimÉricas
WO2008100865A1 (en) 2007-02-13 2008-08-21 Nye Paul H A personal affector machine
ITMI20071003A1 (it) 2007-05-18 2008-11-19 Polimeri Europa Spa Compositi a base di polimeri vinilaromatici aventi migliorate proprieta' di isolamento termico e procedimento per la loro preparazione
ITMI20071005A1 (it) 2007-05-18 2008-11-19 Polimeri Europa Spa Procedimento per la preparazione di granuli a base di polimeri termoplastici espandibili e relativo prodotto
EP2008784B1 (de) 2007-06-25 2013-02-27 Gala Industries, Inc. Verfahren und Vorrichtung zur Herstellung von Polymerpellets mit flüchtigen Bestandteilen und/oder solche erzeugenden Materialien
AT14242U1 (de) * 2007-06-25 2015-06-15 Gala Inc Verfahren und Vorrichtung zur Herstellung von Polymerpellets mit flüchtigen Bestandteilen und/oder solche erzeugende Materialien
EP2267065A1 (de) 2009-06-22 2010-12-29 Total Petrochemicals Research Feluy Expandierbare vinylaromatische polymere und Verfahren zu ihrer Herstellung
US8562915B2 (en) * 2010-01-14 2013-10-22 Exxonmobil Chemical Patents Inc. Processes and apparatus for polymer finishing and packaging
EP2353832A1 (de) 2010-01-28 2011-08-10 Total Petrochemicals Research Feluy Verfahren zum Hochfahren eines Verfahrens zur Herstellung von expandierbaren aromatischen Vinylpolymeren
WO2012032022A1 (en) 2010-09-10 2012-03-15 Total Petrochemicals Research Feluy Expandable vinyl aromatic polymers
EA022941B1 (ru) 2010-10-18 2016-03-31 Тотал Ресерч Энд Текнолоджи Фелюи Способ увеличения индекса текучести расплава вспениваемого винилароматического полимера
EP2591044B1 (de) 2011-06-23 2014-05-14 Total Research & Technology Feluy Verbesserte expandierbare aromatische polymere
EP2683763A1 (de) 2011-06-27 2014-01-15 Total Research & Technology Feluy Dehnbares graphit mit aromatischen vinylpolymeren
JP5796390B2 (ja) * 2011-07-25 2015-10-21 株式会社カネカ 発泡性熱可塑性樹脂粒の製造方法
US20130059933A1 (en) * 2011-08-31 2013-03-07 Basf Se Expandable thermally-stable styrene copolymers
DK2567799T3 (da) * 2011-09-07 2014-03-31 Armacell Entpr Gmbh & Co Kg Ekstrusionsekspansion af polyalkylenterephthalat med lav molekylvægt til fremstilling af ekspanderede perler
EP2918388A1 (de) 2014-03-10 2015-09-16 Sulzer Chemtech AG Verfahren zur Wiederverwertung von expandierbaren Kunststoffmaterialien und sowie damit herstellbares expandierfähiges oder expandiertes Kunststoffmaterial
CN109414838A (zh) 2016-07-01 2019-03-01 戈拉工业公司 形成具有硬质外壳的可膨胀泡沫团粒的方法和设备

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DE1174969B (de) * 1959-07-08 1964-07-30 Basf Ag Verfahren und Vorrichtung zur Herstellung von blaehfaehigen thermoplastischen Kunst-stoffen in kleinteiliger Form
LU49228A1 (de) * 1964-08-14 1965-10-04
GB1062307A (en) * 1965-03-17 1967-03-22 Shell Int Research Improvements in and relating to the manufacture of particulate expandable polymers and to the manufacture of expanded polymers therefrom
FR1595014A (de) * 1968-01-18 1970-06-08
DE1915950A1 (de) * 1968-05-27 1969-12-04 Basf Ag Verfahren zum Granulieren treibmittelhaltiger thermoplastischer Kunststoffe
US3892834A (en) * 1974-01-09 1975-07-01 Phillips Petroleum Co Surface active agent to reduce agglomeration in dry die-face pelletizing
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US4385016A (en) * 1980-12-19 1983-05-24 Phillips Petroleum Company Method of extruding and pelletizing expandable polymeric composition with recycling of transparent water supplied across the face of the extrusion die

Also Published As

Publication number Publication date
US4606873A (en) 1986-08-19
EP0126459A2 (de) 1984-11-28
EP0126459B1 (de) 1989-08-16
EP0126459A3 (en) 1987-02-25
JPS59221340A (ja) 1984-12-12
JPH0559138B2 (de) 1993-08-30
IT1163386B (it) 1987-04-08
IT8321180A0 (it) 1983-05-19

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Legal Events

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8364 No opposition during term of opposition