DE3481408D1 - Extrusionsverfahren fuer geschaeumte polymere mit beta(a)-polyolefinadditiven und mit verwendung von abfallmaterial sowie die zusammensetzungen dazu. - Google Patents

Extrusionsverfahren fuer geschaeumte polymere mit beta(a)-polyolefinadditiven und mit verwendung von abfallmaterial sowie die zusammensetzungen dazu.

Info

Publication number
DE3481408D1
DE3481408D1 DE8484902475T DE3481408T DE3481408D1 DE 3481408 D1 DE3481408 D1 DE 3481408D1 DE 8484902475 T DE8484902475 T DE 8484902475T DE 3481408 T DE3481408 T DE 3481408T DE 3481408 D1 DE3481408 D1 DE 3481408D1
Authority
DE
Germany
Prior art keywords
beta
compositions
waste material
extrusion method
foamed polymers
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 - Fee Related
Application number
DE8484902475T
Other languages
English (en)
Inventor
W Mccullough
D Stevens
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DE3481408D1 publication Critical patent/DE3481408D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • 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
    • 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
    • C08J2425/00—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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
DE8484902475T 1982-02-26 1984-06-04 Extrusionsverfahren fuer geschaeumte polymere mit beta(a)-polyolefinadditiven und mit verwendung von abfallmaterial sowie die zusammensetzungen dazu. Expired - Fee Related DE3481408D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/352,668 US4452751A (en) 1982-02-26 1982-02-26 Styrena polymer foam made with α-polyolefin additives
PCT/US1984/000859 WO1985005592A1 (en) 1982-02-26 1984-06-04 PROCESS FOR EXTRUDING FOAMED STYRENE POLYMERS WITH alpha-POLYOLEFIN ADDITIVES AND UTILIZING RECYCLED MATERIAL AND THE COMPOSITIONS FOR PROCESSING

Publications (1)

Publication Number Publication Date
DE3481408D1 true DE3481408D1 (de) 1990-04-05

Family

ID=26770304

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484902475T Expired - Fee Related DE3481408D1 (de) 1982-02-26 1984-06-04 Extrusionsverfahren fuer geschaeumte polymere mit beta(a)-polyolefinadditiven und mit verwendung von abfallmaterial sowie die zusammensetzungen dazu.

Country Status (6)

Country Link
US (2) US4452751A (de)
EP (1) EP0185012B1 (de)
JP (1) JPS61500973A (de)
AU (1) AU570483B2 (de)
DE (1) DE3481408D1 (de)
WO (1) WO1985005592A1 (de)

Families Citing this family (39)

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US4681715A (en) * 1984-11-16 1987-07-21 The Dow Chemical Company Steam expandable polymeric composition and method
US4652588A (en) * 1985-02-04 1987-03-24 The Dow Chemical Company Lightly crosslinked polyethylene polystyrene blend foams and process for making
US4605682A (en) * 1985-02-04 1986-08-12 The Dow Chemical Company Lightly crosslinked polyethylene polystyrene blend foams and process for making
US4663360A (en) * 1985-09-20 1987-05-05 The Dow Chemical Company Steam expandable polymeric composition and method
US4663361A (en) * 1985-12-24 1987-05-05 The Dow Chemical Company Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent
US4694027A (en) * 1985-12-24 1987-09-15 The Dow Chemical Company Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent
US4777210A (en) * 1986-07-25 1988-10-11 Cosden Technology, Inc. Continuous production of high impact polystyrene
AU608533B2 (en) * 1986-09-19 1991-04-11 Dow Chemical Company, The Fluidized vacuum seal
AU609736B2 (en) * 1986-09-19 1991-05-09 Dow Chemical Company, The Process and apparatus for producing extruded thermoplastic foam bodies
BR8807460A (pt) * 1987-04-15 1990-04-10 Dow Chemical Co Metodo de extrusao de um corpo de espuma de resina sintetica aromatica de alquenila dotado de celulas fechadas
AU7306691A (en) * 1990-03-23 1991-10-21 E.I. Du Pont De Nemours And Company Polymer foams containing gas barrier resins
WO1991014732A1 (en) * 1990-03-23 1991-10-03 E.I. Du Pont De Nemours And Company Polymer foams containing blocking agents
US5290822A (en) * 1992-08-27 1994-03-01 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5225451A (en) * 1992-08-27 1993-07-06 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5380767A (en) * 1992-10-23 1995-01-10 The Dow Chemical Company Foamable gel with an aqueous blowing agent expandable to form a unimodal styrenic polymer foam structure and a process for making the foam structure
US5932659A (en) 1994-09-19 1999-08-03 Sentinel Products Corp. Polymer blend
US5929129A (en) * 1994-09-19 1999-07-27 Sentinel Products Corp. Crosslinked foamable compositions of silane-grafted, essentially linear polyolefins blended with polypropylene
KR960010734A (ko) * 1994-09-19 1996-04-20 존 디. 밤바라 필수 선형 폴리올레핀의 교차- 결합된 발포 구조 및 그 제조방법
US5883144A (en) 1994-09-19 1999-03-16 Sentinel Products Corp. Silane-grafted materials for solid and foam applications
DE4438376A1 (de) * 1994-10-27 1996-05-02 Basf Ag Recyclat enthaltende, expandierbare Styrolpolymerisate
US5695870A (en) * 1995-04-06 1997-12-09 The Dow Chemical Company Laminated foam insulation board of enhanced strength
US5670552A (en) * 1995-12-18 1997-09-23 W. R. Grace & Co.-Conn. Foam and process for producing foam using a carbon dioxide blowing agent
CA2203595A1 (en) 1996-04-26 1997-10-26 Robert F. Hurley Cross-linked polyolefin tape
US5844009A (en) * 1996-04-26 1998-12-01 Sentinel Products Corp. Cross-linked low-density polymer foam
US5876813A (en) 1996-07-09 1999-03-02 Senitnel Products Corp Laminated foam structures with enhanced properties
US5882776A (en) 1996-07-09 1999-03-16 Sentinel Products Corp. Laminated foam structures with enhanced properties
US6160059A (en) 1996-07-26 2000-12-12 Cook Composites And Polymers Co. Bulk polymerization process for preparing solid acrylic resin
US5938878A (en) 1996-08-16 1999-08-17 Sentinel Products Corp. Polymer structures with enhanced properties
US5962545A (en) * 1997-06-23 1999-10-05 The Dow Chemical Company Method of enhancing open cell formation in alkenyl aromatic polymer foams
ID27665A (id) 1997-10-31 2001-04-19 Cognis Corp Proses polimerisasi massa kontinyu
US6069183A (en) * 1998-04-07 2000-05-30 Tenneco Packaging Inc. Foamable composition using high density polyethylene
DE19921386A1 (de) * 1999-05-10 2000-11-16 Basf Ag Offenzellig Partikelschaumstoffe
US20040183221A1 (en) * 2003-03-20 2004-09-23 Harry Bussey Method of making expandable polystyrene packaging materials
US20050019549A1 (en) * 2003-07-24 2005-01-27 Tai Eva F. Recyclable reinforced polymer foam composition
IT1366567B (it) * 2005-10-18 2009-10-06 Polimeri Europa Spa Granulati espandibili a basemdi polimeri vinilaromatici dotati di migliorata espansibilita'e procedimento per la loro preparazione
IL185062A0 (en) * 2007-08-06 2008-01-06 Mordechai Erez Sweat collectors and methods of collecting sweat
CN101925643B (zh) * 2008-02-06 2013-03-06 陶氏环球技术公司 苯乙烯类聚合物和聚烯烃的低密度泡沫体共混物的制品及制备方法
IT1397297B1 (it) 2009-11-25 2013-01-04 Polymtec Trading Ag Ora Polymtec Engineering Ag Articolo a base di polistirolo estruso, procedimento ed impianto per ottenere tale articolo
US8577488B2 (en) * 2010-02-11 2013-11-05 Monosol Rx, Llc Method and system for optimizing film production and minimizing film scrap

Family Cites Families (26)

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US3344212A (en) * 1967-09-26 Recovery of thermoplastic foam scrap material
US2740157A (en) * 1951-12-07 1956-04-03 Dow Chemical Co Method and apparatus for shaping plastic foams
NL82159C (de) * 1952-04-17
US2838801A (en) * 1957-03-29 1958-06-17 Dow Chemical Co Process for making fire-resistant cellular vinyl aromatic polymer articles
US3218373A (en) * 1961-05-15 1965-11-16 Monsanto Co Blend of polystyrenes and a lightly crosslinked copolymer of ethylene and a monoethylenically unsaturated ester
BE631039A (de) * 1962-04-16
US3285865A (en) * 1963-07-11 1966-11-15 Koppers Co Inc Expandable polymers
GB1028888A (en) * 1964-09-21 1966-05-11 Shell Int Research Improvements in and relating to the manufacture of cellular polymeric material comprising a polyvinyl-aromatic compound
US3743611A (en) * 1966-06-08 1973-07-03 Hitachi Ltd Foamable thermoplastic beads and a process for the preparation thereof
US3520834A (en) * 1967-08-18 1970-07-21 Mitsubishi Petrochemical Co Foamable molding composition
GB1214384A (en) * 1967-10-19 1970-12-02 Sumitomo Chemical Co Expandable styrene polymer compositions
US3535408A (en) * 1968-04-04 1970-10-20 Cupples Container Co Recovery and utilization of scrap in production of foamed vinyl aromatic polymeric products
US3960792A (en) * 1968-07-10 1976-06-01 The Dow Chemical Company Plastic foam
US3607999A (en) * 1969-06-19 1971-09-21 Dow Chemical Co Foam scrap recovery and apparatus
US3966597A (en) * 1970-07-28 1976-06-29 Teijin Limited Oil or organic solvent-absorbent
US3682844A (en) * 1970-09-29 1972-08-08 Cupples Container Co Expandable polystyrene and method for producing same
US3770668A (en) * 1970-10-29 1973-11-06 Dow Chemical Co Styrene polymer foam and the preparation thereof
US3795633A (en) * 1971-12-17 1974-03-05 Ford Motor Co Recovery of thermoplastic foam
NL7405693A (de) * 1973-05-08 1974-11-12
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US3959197A (en) * 1973-10-16 1976-05-25 Monsanto Research Corporation Use of solvent mixtures in making foamable compositions
US3897528A (en) * 1973-11-21 1975-07-29 Dow Chemical Co Method for the extrusion of thermoplastic foam
US4048208A (en) * 1975-12-31 1977-09-13 Arco Polymers, Inc. Method for preparing improved expanded polystyrene sheet
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JPS597729B2 (ja) * 1979-03-19 1984-02-20 鐘淵化学工業株式会社 発泡性熱可塑性樹脂粒子の製造法
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Also Published As

Publication number Publication date
EP0185012A4 (de) 1986-11-26
AU570483B2 (en) 1988-03-17
AU3061084A (en) 1985-12-31
WO1985005592A1 (en) 1985-12-19
JPS61500973A (ja) 1986-05-15
US4515907A (en) 1985-05-07
EP0185012A1 (de) 1986-06-25
US4452751A (en) 1984-06-05
JPS6365694B2 (de) 1988-12-16
EP0185012B1 (de) 1990-02-28

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: HANN, M., DIPL.-CHEM. DR.RER.NAT. STERNAGEL, H., DIPL.-CHEM. DR.PHIL.NAT., PAT.-ANWAELTE, 5060 BERGISCH GLADBACH

8339 Ceased/non-payment of the annual fee