DE3276069D1 - Process for preparing a poly(p-methylstyrene) foam - Google Patents

Process for preparing a poly(p-methylstyrene) foam

Info

Publication number
DE3276069D1
DE3276069D1 DE8282306501T DE3276069T DE3276069D1 DE 3276069 D1 DE3276069 D1 DE 3276069D1 DE 8282306501 T DE8282306501 T DE 8282306501T DE 3276069 T DE3276069 T DE 3276069T DE 3276069 D1 DE3276069 D1 DE 3276069D1
Authority
DE
Germany
Prior art keywords
methylstyrene
foam
poly
preparing
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
DE8282306501T
Other languages
English (en)
Inventor
Edward Michael Bullard
Daniel John Dibiasi
Frank Joseph Feeney
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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Application granted granted Critical
Publication of DE3276069D1 publication Critical patent/DE3276069D1/de
Expired 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
    • C08J9/04—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
    • C08J9/14—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 organic
    • C08J9/141—Hydrocarbons
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C48/802—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
    • 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
    • C08J9/14—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 organic
    • C08J9/143—Halogen containing compounds
    • 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
    • C08J2325/16—Homopolymers or copolymers of alkyl-substituted styrenes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/05—Use of one or more blowing agents together

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
DE8282306501T 1981-12-16 1982-12-07 Process for preparing a poly(p-methylstyrene) foam Expired DE3276069D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/331,055 US4476077A (en) 1981-12-16 1981-12-16 Process for preparing a poly(p-methylstyrene) foam

Publications (1)

Publication Number Publication Date
DE3276069D1 true DE3276069D1 (en) 1987-05-21

Family

ID=23292442

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282306501T Expired DE3276069D1 (en) 1981-12-16 1982-12-07 Process for preparing a poly(p-methylstyrene) foam

Country Status (6)

Country Link
US (1) US4476077A (de)
EP (1) EP0084226B1 (de)
JP (1) JPS58108114A (de)
AU (1) AU559063B2 (de)
CA (1) CA1204569A (de)
DE (1) DE3276069D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1712088A (en) * 1987-04-15 1988-11-04 Dow Chemical Company, The A method of extruding an alkenyl aromatic synthetic resin foamed body having closed cells
DE3722539A1 (de) * 1987-07-08 1989-01-19 Reichenecker Hans Storopack Geschaeumter formkoerper
DE4318743A1 (de) * 1993-06-05 1994-12-08 Hoechst Ag Verfahren zum Verschäumen von flammhemmend ausgerüstetem Polystyrol und Polystyrol-Formkörper
US5557896A (en) * 1994-06-23 1996-09-24 The Dow Chemical Company Method of employing an extruded open-cell alkenyl aromatic foam in roofing systems
US5434195A (en) * 1994-06-23 1995-07-18 The Dow Chemical Company Extruded, open-cell alkenyl aromatic polymer foam and process for making
US5784845A (en) * 1995-04-06 1998-07-28 The Dow Chemical Company Open-cell foams in roofing systems
US6093751A (en) * 1997-12-11 2000-07-25 Sirap-Gema S.P.A. Method for the production of substantially open-cell polystyrene sheet
USRE37780E1 (en) 1996-12-18 2002-07-02 Sirap-Gema S.P.A. Method for the production of substantially open-cell polystyrene sheet
DE19803362A1 (de) * 1998-01-29 1999-08-05 Sartorius Gmbh Geschäumte poröse Membranen aus thermoplastischen Polymeren sowie Verfahren und Vorrichtung zu ihrer Herstellung
US6206558B1 (en) * 1998-03-27 2001-03-27 Sencorp Systems, Inc. Extrusion system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974715A (en) * 1961-09-27 1964-11-11 Sun Chemical Corp Improved method for producing a foamed thermoplastic product
US3444283A (en) * 1965-11-08 1969-05-13 Mobil Oil Corp Method for direct injection extrusion of polystyrene foam
US3619445A (en) * 1968-08-02 1971-11-09 Mobil Oil Corp Method for producing biaxially oriented polystyrene heavy gauge sheet
US3770668A (en) * 1970-10-29 1973-11-06 Dow Chemical Co Styrene polymer foam and the preparation thereof
CA956537A (en) * 1970-11-18 1974-10-22 Monsanto Chemicals Limited Filtering elements
US3962154A (en) * 1971-06-01 1976-06-08 Standard Oil Company Method for producing an improved molded thermoplastic article
US3751377A (en) * 1971-08-19 1973-08-07 Dow Chemical Co Method for the preparation of plastic foam
US4196267A (en) * 1975-03-25 1980-04-01 Asahi-Dow Limited Extrusion foamed article and process for producing the same
US4075265A (en) * 1975-07-18 1978-02-21 Monsanto Research Corporation Process for making instant shaped foams
NL179914C (nl) * 1975-11-04 1986-12-01 Dow Chemical Co Werkwijze voor het door extrusie vervaardigen van een schuimvoorwerp uit een thermoplastische alkenyl-aromatische kunsthars.
US4205114A (en) * 1978-09-18 1980-05-27 Mobil Oil Corporation Heat and grease resistant containers comprising poly (p-methylstyrene)
US4242465A (en) * 1979-12-31 1980-12-30 Mobil Oil Corporation Fire resistant foam insulation
US4344710A (en) * 1980-06-10 1982-08-17 Mobil Oil Corporation Polymer foam extrusion system
US4360486A (en) * 1981-11-10 1982-11-23 Mobil Oil Corporation Process for introducing an additive material to polymeric foams

Also Published As

Publication number Publication date
EP0084226B1 (de) 1987-04-15
EP0084226A1 (de) 1983-07-27
AU9119482A (en) 1983-06-23
US4476077A (en) 1984-10-09
AU559063B2 (en) 1987-02-19
CA1204569A (en) 1986-05-20
JPS58108114A (ja) 1983-06-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee