PE22495A1 - Espuma de material plastico y metodo para manufacturarla - Google Patents

Espuma de material plastico y metodo para manufacturarla

Info

Publication number
PE22495A1
PE22495A1 PE1995263936A PE26393695A PE22495A1 PE 22495 A1 PE22495 A1 PE 22495A1 PE 1995263936 A PE1995263936 A PE 1995263936A PE 26393695 A PE26393695 A PE 26393695A PE 22495 A1 PE22495 A1 PE 22495A1
Authority
PE
Peru
Prior art keywords
resin
plastic material
foam
manufacturing
mixture
Prior art date
Application number
PE1995263936A
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 PE22495A1 publication Critical patent/PE22495A1/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

EL METODO COMPRENDE: A) EL MEZCLADO INTIMO DE UN AGENTE DE SOPLADO QUE LLEVA INCORPORADO CO2 Y EN EL CUAL LA PRINCIPAL PORCION ES UN GAS NATURAL, EN UNA RESINA DE MATERIAL PLASTICO, COMO UN POLIMERO DE ESTIRENO, DE MODO DE FORMAR UNA MEZCLA HOMOGENEA DE RESINA; B) LA EXTRUSION DE LA MEZCLA DE RESINA A TRAVES DE UNA MATRIZ DE SALIDA, HACIA UNA ZONA DE MENOR PRESION, SIENDO LA TEMPERATURA EN EL PUNTO DE EXTRUSION FUERA DE LA MATRIZ DE SALIDA DE 125ºC A 135ºC; EL CUAL PODRIA PROPORCIONAR UNA ESPUMA DE ALTA RESISTENCIA FISICA
PE1995263936A 1994-03-11 1995-03-13 Espuma de material plastico y metodo para manufacturarla PE22495A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PE22495A1 true PE22495A1 (es) 1995-08-07

Family

ID=3743119

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1995263936A PE22495A1 (es) 1994-03-11 1995-03-13 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
WO1998008667A2 (en) 1996-08-27 1998-03-05 Trexel, Inc. Method and apparatus for microcellular polymer extrusion
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
ATE290041T1 (de) 1997-12-19 2005-03-15 Trexel Inc Mikrozellulares schaumstoff- extrusions/blasformverfahren und damit hergestellter gegenstand
US6706223B1 (en) 1997-12-19 2004-03-16 Trexel, Inc. Microcelluar extrusion/blow molding process and article made thereby
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
WO2002026484A1 (en) 2000-09-29 2002-04-04 Trexel, Inc. In-mold decorated articles and methods
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
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
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
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
DE59104659D1 (de) * 1990-07-04 1995-03-30 Basf Ag 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
WO1993014923A1 (en) * 1992-01-24 1993-08-05 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
CA2185221A1 (en) 1995-09-14
EP0749455A4 (en) 1998-02-11
CO4410417A1 (es) 1997-01-09
BR9507102A (pt) 1997-09-09
WO1995024440A1 (en) 1995-09-14
MX9603699A (es) 1997-12-31
IN188233B (es) 2002-08-31
EP0749455A1 (en) 1996-12-27
JPH09509975A (ja) 1997-10-07
AU1941395A (en) 1995-09-25
NZ282337A (en) 1997-11-24

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Legal Events

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FG Grant, registration
FD Application declared void or lapsed