CO4410417A1 - Espuma de material plastico y metodo para manufacturarla - Google Patents

Espuma de material plastico y metodo para manufacturarla

Info

Publication number
CO4410417A1
CO4410417A1 CO95009620A CO95009620A CO4410417A1 CO 4410417 A1 CO4410417 A1 CO 4410417A1 CO 95009620 A CO95009620 A CO 95009620A CO 95009620 A CO95009620 A CO 95009620A CO 4410417 A1 CO4410417 A1 CO 4410417A1
Authority
CO
Colombia
Prior art keywords
foam
less
plastic material
resin
pounds
Prior art date
Application number
CO95009620A
Other languages
English (en)
Inventor
Graham Ramlu Sanyasi
Original Assignee
A C I Operations
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 A C I Operations filed Critical A C I Operations
Publication of CO4410417A1 publication Critical patent/CO4410417A1/es

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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/127—Mixtures of organic and inorganic blowing agents
    • 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
    • B29C44/3469—Cell or pore nucleation
    • B29C44/348—Cell or pore nucleation by regulating the temperature and/or the pressure, e.g. suppression of foaming until the pressure is rapidly decreased
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/834—Cooling
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—Cooling
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
    • 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
    • C08J2325/06—Polystyrene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

UN METODO PARA PRODUCIR UNA ESPUMA EXTRUSIONADA DE MATERIAL PLASTICO, PROVISTA DE UN ACRECENTADA RESISTENCIA FISICA, CARACTERIZADO PORQUE COMPREN- DE: (a) EL MEZCLADO INTIMO DE UN AGENTE DE SOPLADO QUE LLEVA INCORPORADO CO2 Y EN CUAL LA PRINCIPAL POR- CION ES UN GAS NATURAL, EN UN MATERIAL PLASTICO RESINA FUNDIDO, DE MODO DE FORMAR UNA MEZCLA HOMOGENEA DE RESINA; Y (b) LA EXTRUSION DE LA MEZCLA DE RESINA, A TRAVES DE UNA MATRIZ DE SALIDA, HACIA UNA ZONA DE MENOR PRESION; EN EL CUAL LA TEMPERATURA DE LA MEZCLA DE RESINA, ES AJUSTADA DE MANERA TAL QUE ES INFERIOR A LA TEMPERATURA CRITICA (QUE SE DEFINE EN LA MEMORIA DESCRIPTIVA) EN EL PUNTO DE EXTRUSION, FUERA DE LA MATRIZ DE SALIDA. UNA HOJA EXTRUSIONADA DE POLIESTIRENO, QUE INCLUYE UNA ESTRUCTURA CELULAR CARACTERIZADO PORQUE EL DIAMETRO PROMEDIO DE LAS CELULAS ES INFERIOR A 0,002 PULGADAS Y QUE TIENE UNA DENSIDAD INFERIOR O IGUAL A 4,0 LIBRAS/PIE CUBICO, (0,1108Kg/cm3). UNA ESPUMA DE ACUERDO CON LA REIVINDICACION 19, CARACTERIZADO PORQUE LA DENSIDAD DE LA ESPUMA, ES DE ENTRE 2,0 Y 3,0 LIBRAS/PIE CUBICO. (0,0554 y 0,0831 kg/cm3). UNA BANDEJA DE ESPUMA, CARACTERIZADO PORQUE HA SI- DO FORMADA A PARTIR DE UNA ESPUMA DE POLIESTIRENO DE ACUERDO CON LA REIVINDICACION 19. FIGURA 1 . . . . . . . . . .
CO95009620A 1994-03-11 1995-03-10 Espuma de material plastico y metodo para manufacturarla CO4410417A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU57773/94 1994-03-11

Publications (1)

Publication Number Publication Date
CO4410417A1 true CO4410417A1 (es) 1997-01-09

Family

ID=3743119

Family Applications (1)

Application Number Title Priority Date Filing Date
CO95009620A CO4410417A1 (es) 1994-03-11 1995-03-10 Espuma de material plastico y metodo para manufacturarla

Country Status (10)

Country Link
EP (1) EP0749455A4 (es)
JP (1) JPH09509975A (es)
AU (1) AU1941395A (es)
BR (1) BR9507102A (es)
CA (1) CA2185221A1 (es)
CO (1) CO4410417A1 (es)
IN (1) IN188233B (es)
NZ (1) NZ282337A (es)
PE (1) PE22495A1 (es)
WO (1) WO1995024440A1 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158986A (en) 1991-04-05 1992-10-27 Massachusetts Institute Of Technology Microcellular thermoplastic foamed with supercritical fluid
DE4437860A1 (de) † 1994-10-22 1996-04-25 Basf Ag Verfahren zur Herstellung von mikrozellulären Schäumen
WO1997006935A1 (en) * 1995-08-14 1997-02-27 Massachusetts Institute Of Technology Gear throttle as a nucleation device in a continuous microcellular extrusion system
US6884377B1 (en) 1996-08-27 2005-04-26 Trexel, Inc. Method and apparatus for microcellular polymer extrusion
DE69733286T2 (de) 1996-08-27 2006-01-19 Trexel, Inc., Woburn Verfahren zum Extrudieren von Mikrozellenpolymeren
US6884823B1 (en) 1997-01-16 2005-04-26 Trexel, Inc. Injection molding of polymeric material
US6235380B1 (en) 1997-07-24 2001-05-22 Trexel, Inc. Lamination of microcellular articles
US6706223B1 (en) 1997-12-19 2004-03-16 Trexel, Inc. Microcelluar extrusion/blow molding process and article made thereby
CN1265955C (zh) 1997-12-19 2006-07-26 特瑞塞尔公司 微孔泡沫塑料的挤塑/吹塑方法和借此制作的制品
US6231942B1 (en) 1998-01-21 2001-05-15 Trexel, Inc. Method and apparatus for microcellular polypropylene extrusion, and polypropylene articles produced thereby
US6322347B1 (en) 1999-04-02 2001-11-27 Trexel, Inc. Methods for manufacturing foam material including systems with pressure restriction element
JP2004523375A (ja) 2000-09-29 2004-08-05 トレクセル・インコーポレーテッド 絵付成形物品及び方法
JP4563739B2 (ja) * 2004-07-09 2010-10-13 株式会社日本製鋼所 押出成形品の製造方法および製造装置
JP5277006B2 (ja) * 2009-01-30 2013-08-28 積水化成品工業株式会社 ポリスチレン系樹脂発泡体及びポリスチレン系樹脂発泡体の製造方法
JP5466858B2 (ja) * 2009-01-30 2014-04-09 積水化成品工業株式会社 断熱性シート及び断熱性シートの製造方法
EP2918388A1 (en) * 2014-03-10 2015-09-16 Sulzer Chemtech AG A process to recycle expandable plastic materials and an expandable or expanded plastic material obtainable thereby

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU529339B2 (en) * 1978-11-13 1983-06-02 Monsanto Company Extruded polyalkenyl foam
US5286429A (en) * 1988-06-27 1994-02-15 Mobil Oil Corporation High melt index polystyrene foam and method
US5250577A (en) * 1989-08-02 1993-10-05 The Dow Chemical Company Polystyrene foam made with only carbon dioxide as a blowing agent and a process for making the same
DE4000542A1 (de) * 1990-01-10 1991-07-11 Basf Ag Schaumstoffplatten mit hoher waermeformbestaendigkeit
BR9101167A (pt) * 1990-04-06 1991-11-05 Dow Chemical Co Composicao polimerica espumavel,processo para produzir um produto de espuma e produto de espuma
EP0464581B1 (de) * 1990-07-04 1995-02-22 BASF Aktiengesellschaft Verfahren zur Herstellung von Schaumstoffplatten mit hoher Druckfestigkeit
JPH08863B2 (ja) * 1990-12-27 1996-01-10 積水化成品工業株式会社 ポリスチレン系樹脂発泡体の製造方法
EP0627984A1 (en) * 1992-01-24 1994-12-14 E.I. Du Pont De Nemours And Company A flexible polymeric foam for use as an insulator and a moisture retardant and a process for producing it
US5332761A (en) * 1992-06-09 1994-07-26 The Dow Chemical Company Flexible bimodal foam structures
US5269987A (en) * 1992-12-22 1993-12-14 Reedy Michael E Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gases and foams produced thereby
US5348984A (en) * 1993-01-28 1994-09-20 Sealed Air Corporation Expandable composition and process for extruded thermoplastic foams

Also Published As

Publication number Publication date
PE22495A1 (es) 1995-08-07
AU1941395A (en) 1995-09-25
WO1995024440A1 (en) 1995-09-14
IN188233B (es) 2002-08-31
BR9507102A (pt) 1997-09-09
JPH09509975A (ja) 1997-10-07
MX9603699A (es) 1997-12-31
EP0749455A4 (en) 1998-02-11
NZ282337A (en) 1997-11-24
CA2185221A1 (en) 1995-09-14
EP0749455A1 (en) 1996-12-27

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