ATE122701T1 - Polypropylen-leichtfolie und verfahren zu deren herstellung. - Google Patents

Polypropylen-leichtfolie und verfahren zu deren herstellung.

Info

Publication number
ATE122701T1
ATE122701T1 AT91906914T AT91906914T ATE122701T1 AT E122701 T1 ATE122701 T1 AT E122701T1 AT 91906914 T AT91906914 T AT 91906914T AT 91906914 T AT91906914 T AT 91906914T AT E122701 T1 ATE122701 T1 AT E122701T1
Authority
AT
Austria
Prior art keywords
production
polypropylene film
lightweight polypropylene
rigid
high melt
Prior art date
Application number
AT91906914T
Other languages
German (de)
English (en)
Inventor
Norman G Gaylord
Leon Katz
John P Park
Original Assignee
James River 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23960673&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE122701(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by James River Corp filed Critical James River Corp
Application granted granted Critical
Publication of ATE122701T1 publication Critical patent/ATE122701T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22After-treatment of expandable particles; Forming foamed products
    • C08J9/228Forming foamed products
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/34Layered products comprising a layer of synthetic resin comprising polyamides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066Use of inorganic compounding ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • C08J9/14Working-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
    • C08J9/141Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • C08J9/14Working-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
    • C08J9/143Halogen containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/12Polypropene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • B32B2266/025Polyolefin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00Polyalkenes
    • B32B2323/04Polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2327/00Polyvinylhalogenides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/10Homopolymers or copolymers of propene
    • C08J2323/12Polypropene
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495Thickness [relative or absolute]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981Plural void-containing components
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249982With component specified as adhesive or bonding agent
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition
    • Y10T428/249988Of about the same composition as, and adjacent to, the void-containing component
    • Y10T428/249989Integrally formed skin
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition
    • Y10T428/249991Synthetic resin or natural rubbers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition
    • Y10T428/249991Synthetic resin or natural rubbers
    • Y10T428/249992Linear or thermoplastic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Molding Of Porous Articles (AREA)
AT91906914T 1990-03-14 1991-03-13 Polypropylen-leichtfolie und verfahren zu deren herstellung. ATE122701T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/493,541 US5116881A (en) 1990-03-14 1990-03-14 Polypropylene foam sheets

Publications (1)

Publication Number Publication Date
ATE122701T1 true ATE122701T1 (de) 1995-06-15

Family

ID=23960673

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91906914T ATE122701T1 (de) 1990-03-14 1991-03-13 Polypropylen-leichtfolie und verfahren zu deren herstellung.

Country Status (10)

Country Link
US (3) US5116881A (en:Method)
EP (1) EP0520028B1 (en:Method)
JP (2) JP2521388B2 (en:Method)
KR (1) KR960003278B1 (en:Method)
AT (1) ATE122701T1 (en:Method)
CA (1) CA2078123C (en:Method)
DE (1) DE69109860T2 (en:Method)
ES (1) ES2072606T3 (en:Method)
TW (1) TW212807B (en:Method)
WO (1) WO1991013933A1 (en:Method)

Families Citing this family (160)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT81945B (pt) * 1985-01-31 1987-12-30 Himont Inc Processo para a fabricacao de polipropileno com ramificacoes de cadeia longa de extremidade livre
NO894583L (no) * 1989-07-17 1991-01-18 Placell As Fremgangsmaate for fremstilling av celleplast.
US5116881A (en) * 1990-03-14 1992-05-26 James River Corporation Of Virginia Polypropylene foam sheets
US5527573A (en) * 1991-06-17 1996-06-18 The Dow Chemical Company Extruded closed-cell polypropylene foam
GB2263435A (en) * 1992-01-14 1993-07-28 Shell Int Research Plastics laminate containing foamed polypropylene
JP2898460B2 (ja) 1992-02-24 1999-06-02 株式会社ジェイエスピー 成形用プロピレン系樹脂発泡シート
NZ245868A (en) * 1992-05-13 1995-12-21 Grace W R & Co Producing foam sheet from polypropylene with long chain branching or from rubber modified linear polypropylene by injection of carbon dioxide into melt, and extruding
DE69231162T3 (de) * 1992-12-17 2004-10-28 The Dow Chemical Co., Midland Extrudierter polypropylenschaum mit offenen zellen und verfahren zu dessen herstellung
DK0674578T3 (da) * 1992-12-17 2000-04-03 Dow Chemical Co Ekstruderet propylenpolymerskum med lukkede celler
US5348984A (en) * 1993-01-28 1994-09-20 Sealed Air Corporation Expandable composition and process for extruded thermoplastic foams
US5368919A (en) * 1993-05-20 1994-11-29 Himont Incorporated Propylene polymer compositions containing high melt strength propylene polymer material
US5508318A (en) * 1993-07-15 1996-04-16 Montell North America Inc. Compositions of irradiated and non-irradiated olefin polymer materials with reduced gloss
US5414027A (en) * 1993-07-15 1995-05-09 Himont Incorporated High melt strength, propylene polymer, process for making it, and use thereof
DE4325879C3 (de) * 1993-08-02 1999-05-20 Depron Bv Folie aus einem thermoplastischen Kunststoffschaum, Verfahren zu ihrer Herstellung sowie ihre Verwendung
CN1062280C (zh) * 1994-01-31 2001-02-21 旭化成工业株式会社 挤塑丙烯聚合物树脂泡沫体
US5656675A (en) * 1994-11-09 1997-08-12 Mitsui Petrochemical Industries, Ltd. Automotive molded roof material and process for producing the same
US5482977A (en) * 1995-05-08 1996-01-09 Eastman Chemical Company Foamable branched polyesters
DE19536563C2 (de) * 1995-10-02 1997-09-04 Reifenhaeuser Masch Verfahren und Vorrichtung zur Herstellung von geschäumten Folien
DE19544858C2 (de) * 1995-10-02 1998-09-10 Silver Plastics Gmbh & Co Kg Verfahren zum Herstellen einer thermogeformten Verpackung
US5707573A (en) * 1995-11-09 1998-01-13 Biesenberger; Joseph A. Method of preparing thermoplastic foams using a gaseous blowing agent
ATE192181T1 (de) 1996-02-07 2000-05-15 Convenience Food Sys Bv Thermoformbares geschäumtes flächiges material zur herstellung von offenen behältern
US5961914A (en) * 1996-05-03 1999-10-05 Milliken & Company Method of thermoforming polyolefin resin
US5698144A (en) * 1996-08-08 1997-12-16 Tenneco Protective Packaging, Inc. Process for producing low density polyethylenic foam with atmospheric gases and polyglycols or polyglycol ethers
US5993706A (en) * 1996-08-08 1999-11-30 Tenneco Protective Packaging, Inc. Oxygenated hydrocarbon compatibilizing agent for carbon dioxide-blown polyolefinic foams
US5817705A (en) * 1996-10-15 1998-10-06 Tenneco Protective Packaging Inc. Short time frame process for producing extruded closed cell low density propylene polymer foams
NL1004572C2 (nl) * 1996-11-20 1998-05-25 Corell Resin Technology Bv Werkwijze voor het vervaardigen van een monolitisch kunststof voorwerp, alsmede met die werkwijze verkregen voorwerp.
DE19700154A1 (de) * 1997-01-06 1998-07-16 Kraemer & Grebe Kg Verpackungsmulde
US6218023B1 (en) 1997-04-21 2001-04-17 Montell North America, Inc. Co-extruded laminate comprising at least one propylene graft copolymer layer
US6177180B1 (en) * 1997-06-02 2001-01-23 Armstrong World Industries, Inc. Composite construction board with load bearing properties
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
AU1933799A (en) 1997-12-19 1999-07-12 Trexel, Inc. Microcellular foam 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
DE19803362A1 (de) * 1998-01-29 1999-08-05 Sartorius Gmbh Geschäumte poröse Membranen aus thermoplastischen Polymeren sowie Verfahren und Vorrichtung zu ihrer Herstellung
IL139579A0 (en) 1998-05-27 2002-02-10 Dow Chemical Co Vehicle headliner comprised of thermoformable thermoplastic foam sheet
DE19824976A1 (de) * 1998-06-04 1999-12-09 Kraemer & Grebe Kg Verfahren und Vorrichtung zum Herstellen von Packungen
WO2000007817A1 (en) * 1998-08-06 2000-02-17 Sig Combibloc Inc. Containers prepared from laminate structures having a foamed polymer layer
US6521675B1 (en) * 1998-09-03 2003-02-18 Bp Corporation North America Inc. Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor
US6720362B1 (en) 1998-09-17 2004-04-13 The Dow Chemical Company Perforated foams
US6773796B1 (en) * 1998-10-19 2004-08-10 Cryovac, Inc. Thermoformable multi-layer polypropylene foam sheet
AU759519B2 (en) * 1998-10-30 2003-04-17 Sumitomo Chemical Company, Limited Polypropylene-based foamed sheet
US6245266B1 (en) 1999-03-15 2001-06-12 Sealed Air Corp. (Us) Method for making oriented polyethylene foam and foam produced thereby
DE60031026T2 (de) * 1999-03-30 2007-05-10 Sumitomo Chemical Company, Ltd. Gegenstand aus geschäumtem Harz
US6103255A (en) 1999-04-16 2000-08-15 Rutgers, The State University Porous polymer scaffolds for tissue engineering
US6613811B1 (en) * 1999-06-03 2003-09-02 Trexel, Inc. Microcellular thermoplastic elastomeric structures
AU5884000A (en) * 1999-06-24 2001-01-09 Dow Chemical Company, The Polyolefin composition with improved impact properties
DE60030514T2 (de) * 1999-08-12 2007-07-05 Sumitomo Chemical Co., Ltd. Mehrschichtige geschäumte Polyolefin-Folie, Verfahren und Vorrichtung zur deren Herstellung
CA2383270C (en) * 1999-08-30 2011-01-04 Sekisui Chemical Co., Ltd. Process for producing foamed body of thermoplastic resin, mold for forming same and foamed body of thermoplastic resin
US6541105B1 (en) 1999-09-16 2003-04-01 Dow Global Technologies Inc. Acoustical open-cell polylefins and process for making
US6403663B1 (en) 1999-09-20 2002-06-11 North Carolina State University Method of making foamed materials using surfactants and carbon dioxide
US6773798B2 (en) * 1999-12-23 2004-08-10 Sealed Air Corporation (Us) Polyolefin foam composite structure and method for making the same
US6764756B1 (en) * 1999-12-23 2004-07-20 Sealed Air Corporation (Us) Polyolefin foam composite structure and method for making the same
US20010041236A1 (en) * 2000-01-12 2001-11-15 Nobuhiro Usui Foamed polyolefin-based resin container and process for producing the same
EP1276611B1 (en) 2000-01-24 2004-04-21 Dow Global Technologies Inc. Composition and films thereof
AU2001238232B2 (en) 2000-03-17 2004-11-11 Dow Global Technologies Inc. Macrocellular polyolefin foam having a high service temperature for acoustical applications
MXPA02008938A (es) 2000-03-17 2003-06-17 Dow Global Technologies Inc Espuma de poliolefina util para aislamiento acustico y termico.
AU3820001A (en) * 2000-03-17 2001-10-03 Dow Chemical Co Acoustic absorption polymer foam having improved thermal insulating performance
WO2001083605A2 (en) * 2000-05-04 2001-11-08 Dow Global Technologies Inc. Molecular melt and methods for making and using the molecular melt
WO2001092403A2 (en) * 2000-05-26 2001-12-06 Dow Global Technologies Inc. Polyethylene rich/polypropylene blends and their uses
DE60117322T2 (de) * 2000-06-22 2006-11-02 Mitsui Chemicals, Inc. Verfahren, Vorrichtung und Zusammensetzung zum Spritzgiessen von Schaum
AU2001273457A1 (en) * 2000-07-13 2002-01-30 John C. Marrelli Foamed-thermoplastic films
US6395795B1 (en) 2000-09-29 2002-05-28 Ausimont Usa, Inc. Titanium dioxide nucleating agent systems for foamable polymer compositions
EP1320457B1 (en) * 2000-09-29 2016-04-20 Trexel, Inc. Method for forming in-mold decorated article
AU2002211352A1 (en) 2000-10-23 2002-05-06 Dow Global Technologies Inc. Propylene polymer foams
JP2002166511A (ja) * 2000-11-30 2002-06-11 Sumitomo Chem Co Ltd ポリオレフィン系樹脂発泡シート
EP1390416B1 (en) 2000-12-22 2004-12-29 Dow Global Technologies, Inc. Propylene copolymer foams
US6583190B2 (en) 2000-12-27 2003-06-24 Sealed Air Corporation (U.S.) Expandable composition, blowing agent, and process for extruded thermoplastic foams
DE10212654B4 (de) 2001-03-30 2012-06-14 Jnc Corporation Propylenpolymerzusammensetzung und geschäumte Formlinge daraus
JP2002331572A (ja) * 2001-05-08 2002-11-19 Chisso Corp 発泡ポリプロピレン樹脂シートの成形方法及び発泡成形体
GB2379916B (en) 2001-09-20 2003-09-10 Reckitt Benckiser Injection moulded containers
JP2003225978A (ja) * 2002-02-01 2003-08-12 Sumitomo Chem Co Ltd ポリプロピレン系樹脂発泡シート
EP1487910A2 (en) * 2002-03-07 2004-12-22 Sentinel Products Corp. Polypropylene foam and foam core structure
US7318713B2 (en) * 2002-07-18 2008-01-15 Trexel, Inc. Polymer processing systems including screws
US7625994B2 (en) 2002-07-30 2009-12-01 E.I. Du Pont De Nemours And Company Sulfonated aliphatic-aromatic copolyetheresters
US20040024102A1 (en) * 2002-07-30 2004-02-05 Hayes Richard Allen Sulfonated aliphatic-aromatic polyetherester films, coatings, and laminates
ES2394304T3 (es) 2002-10-15 2013-01-30 Exxonmobil Chemical Patents, Inc. Sistema de múltiples catalizadores para la polimerización de olefinas y polímeros producidos a partir de éstos
US7550528B2 (en) 2002-10-15 2009-06-23 Exxonmobil Chemical Patents Inc. Functionalized olefin polymers
US7700707B2 (en) 2002-10-15 2010-04-20 Exxonmobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
US20080251487A1 (en) * 2002-10-30 2008-10-16 Semersky Frank E Overmolded container having a foam layer
US8124203B2 (en) * 2002-10-30 2012-02-28 Plastic Technologies, Inc. Container having a foamed wall
US7588810B2 (en) * 2002-10-30 2009-09-15 Plastic Technologies, Inc. Container having foam layer
US20050001344A1 (en) * 2002-11-04 2005-01-06 Chang Jui Yang Method for forming foamable boards
ATE326328T1 (de) * 2002-11-28 2006-06-15 Huhtamaki France S A Herstellungsverfahren mittels co-extrusion eines absorbierenden verpackungsmaterials aus kunststoff, und das hergestellte verpackungsmaterial
US7166248B2 (en) * 2003-01-03 2007-01-23 Pactiv Corporation Reduced VOC emission alkenyl aromatic polymer foams and processes
JP2004250529A (ja) * 2003-02-19 2004-09-09 Nitto Denko Corp ポリオレフィン系樹脂発泡体用組成物とその発泡体、および発泡体の製造方法
EP1479716A1 (en) * 2003-05-22 2004-11-24 Nmc S.A. High temperature resistant, flexible, low density polypropylene foams
US7407498B2 (en) * 2003-09-02 2008-08-05 Boston Scientific Scimed, Inc. Construction of medical components using gas assisted microcellular foaming
DE10350237A1 (de) * 2003-10-27 2005-06-02 Cfs Kempten Gmbh Verpackungsmaterial mit einer Schicht aus geschäumtem Polyolefin
US7358282B2 (en) * 2003-12-05 2008-04-15 Kimberly-Clark Worldwide, Inc. Low-density, open-cell, soft, flexible, thermoplastic, absorbent foam and method of making foam
EP1704047B1 (en) * 2004-01-06 2009-09-09 Dow Global Technologies Inc. Multilayer polymer sheets
US7888405B2 (en) 2004-01-30 2011-02-15 E. I. Du Pont De Nemours And Company Aliphatic-aromatic polyesters, and articles made therefrom
US20050208245A1 (en) * 2004-03-19 2005-09-22 Pepsico, Inc. Insulated label
US6986705B2 (en) * 2004-04-05 2006-01-17 Rimpad Tech Ltd. Polishing pad and method of making same
US7291382B2 (en) * 2004-09-24 2007-11-06 Kimberly-Clark Worldwide, Inc. Low density flexible resilient absorbent open-cell thermoplastic foam
DE602005005351T2 (de) * 2004-10-22 2009-03-26 Dow Global Technologies, Inc., Midland Von natur aus offenzelliger polypropylenschaum mit grosser zellgrösse
JP2008523231A (ja) * 2004-12-13 2008-07-03 バーゼル・ポリオレフィン・イタリア・ソチエタ・ア・レスポンサビリタ・リミタータ ポリオレフィン繊維
CN101087905B (zh) * 2004-12-23 2010-12-15 巴塞尔聚烯烃意大利有限责任公司 具有弹性的纤维
JP4526986B2 (ja) * 2005-03-17 2010-08-18 積水化成品工業株式会社 ポリオレフィン系樹脂発泡シート成形用樹脂組成物及びそれから得られるポリオレフィン系樹脂発泡シート
US8535598B2 (en) * 2005-08-04 2013-09-17 Jsp Corporation Method of forming hollow foam moldings
JP2007062334A (ja) * 2005-09-02 2007-03-15 Fujifilm Corp セルロースアシレート樹脂フィルム及びその製造方法
US20070100014A1 (en) * 2005-10-27 2007-05-03 Sumitomo Chemical Company, Limited Polypropylene, polypropylene resin composition and foamed article
US8158689B2 (en) * 2005-12-22 2012-04-17 Kimberly-Clark Worldwide, Inc. Hybrid absorbent foam and articles containing it
US20070148433A1 (en) * 2005-12-27 2007-06-28 Mallory Mary F Elastic laminate made with absorbent foam
US7812214B2 (en) * 2006-02-28 2010-10-12 Kimberly-Clark Worldwide, Inc. Absorbent article featuring a laminated material with a low Poisson's Ratio
US20090072427A1 (en) * 2006-03-20 2009-03-19 Semersky Frank E Process for varying the appearance of a container having a foamed wall
EP1847555A1 (en) * 2006-04-18 2007-10-24 Borealis Technology Oy Multi-branched Polypropylene
US20070257410A1 (en) * 2006-05-04 2007-11-08 Seagate Technology Llc External shock absorber
EP2041212B1 (de) * 2006-07-06 2010-10-27 Basf Se Verfahren zur herstellung nanoporöser formteile
US20100112335A1 (en) * 2007-04-10 2010-05-06 Du Pont-Mitsui Polychemicals Co., Ltd Laminated film or sheet having a foamed resin layer and process for producing the same
WO2008127544A2 (en) * 2007-04-11 2008-10-23 Ingenia Polymers Inc. Fine cell foamed polyolefin film or sheet
WO2008148898A1 (es) * 2007-06-07 2008-12-11 Ulma C Y E, S. Coop. Composición, procedimiento e instalación para obtener en continuo una plancha espumada de naturaleza polimérica y plancha así obtenida
WO2009022022A1 (es) * 2007-07-27 2009-02-19 Ulma C Y E, S. Coop. Procedimiento e instalación para la producción de paneles tipo sándwich de naturaleza polimérica y panel obtenido
JP5154194B2 (ja) * 2007-10-29 2013-02-27 株式会社カネカ ポリプロピレン系樹脂発泡粒子
US8246873B1 (en) * 2007-11-01 2012-08-21 Propex Operating Company, Llc Method and system for manufacturing foamed polyolefin tapes at cost effective line speeds
US8410217B2 (en) * 2008-12-15 2013-04-02 Exxonmobil Chemical Patents Inc. Thermoplastic polyolefin blends
US8497325B2 (en) 2008-12-15 2013-07-30 Exxonmobil Chemical Patents Inc. Thermoplastic polyolefin blends and films therefrom
US8227547B2 (en) * 2008-12-15 2012-07-24 Exxonmobil Chemical Patents Inc. Foamable thermoplastic reactor blends and foam article therefrom
JP5803086B2 (ja) * 2009-10-31 2015-11-04 キョーラク株式会社 発泡成形体の成形方法及び発泡成形体
JP5613442B2 (ja) * 2010-04-21 2014-10-22 キョーラク株式会社 表皮付きパネルの成形方法、表皮付きパネル
US8563621B2 (en) * 2010-04-21 2013-10-22 Polyfil Corporation Blowing agents formed from nanoparticles of carbonates
WO2012174568A2 (en) 2011-06-17 2012-12-20 Berry Plastics Corporation Process for forming an insulated container having artwork
AU2012363114B2 (en) 2011-06-17 2016-10-06 Berry Plastics Corporation Insulated sleeve for a cup
CN105600061B (zh) 2011-06-17 2018-03-20 比瑞塑料公司 绝热容器
WO2012174422A2 (en) 2011-06-17 2012-12-20 Berry Plastics Corporation Insulated container with molded brim
GB2508777B (en) 2011-08-31 2021-06-23 Berry Plastics Corp Polymeric material for an insulated container
EP2818511B1 (en) 2012-02-23 2015-10-21 Japan Polypropylene Corporation Polypropylene-based resin composition and foam sheet
JP6089765B2 (ja) 2012-02-23 2017-03-08 日本ポリプロ株式会社 ポリプロピレン系樹脂発泡シートおよび熱成形体
EP2888092A4 (en) 2012-08-07 2016-03-23 Berry Plastics Corp METHOD AND MACHINE FOR MOLDING
US8609778B1 (en) 2012-08-09 2013-12-17 Americas Styrenics, LLC Styrenic resin incorporating recycled polystyrene
US9115228B2 (en) 2012-08-09 2015-08-25 Americas Styrenics, LLC Styrenic resin having improved extensional viscosity
US9096698B2 (en) 2012-08-09 2015-08-04 Americas Styrenics, LLC Styrenic resin incorporating recycled polystyrene
KR20150079726A (ko) 2012-10-26 2015-07-08 베리 플라스틱스 코포레이션 단열 용기용 고분자 재료
US9840049B2 (en) 2012-12-14 2017-12-12 Berry Plastics Corporation Cellular polymeric material
AR093943A1 (es) 2012-12-14 2015-07-01 Berry Plastics Corp Reborde de un envase termico
AR093944A1 (es) 2012-12-14 2015-07-01 Berry Plastics Corp Troquelado para envase
US9957365B2 (en) 2013-03-13 2018-05-01 Berry Plastics Corporation Cellular polymeric material
CN105246676B (zh) 2013-03-14 2018-11-02 比瑞塑料公司 容器
US10842574B2 (en) 2013-03-15 2020-11-24 Xodus Medical, Inc. Robotic patient protection system comprising a head mask structure, configured to protect the head of a patient, for use in robotic surgical procedures
US10842206B2 (en) 2013-03-15 2020-11-24 Xodus Medical, Inc. Patient protection system configured to protect the head of a patient
TW201522445A (zh) 2013-08-16 2015-06-16 Berry Plastics Corp 用於絕熱容器之聚合材料
RU2016110756A (ru) 2013-08-26 2017-10-03 Берри Пластикс Корпорейшн Полимерный материал для контейнера
US20150315349A1 (en) * 2014-05-02 2015-11-05 Fina Technology, Inc. Polymer foams
KR101637273B1 (ko) * 2014-06-13 2016-07-07 현대자동차 주식회사 폴리올레핀 수지 성형품, 그 제조방법 및 이를 이용한 에어덕트
US9758655B2 (en) 2014-09-18 2017-09-12 Berry Plastics Corporation Cellular polymeric material
MX376223B (es) * 2014-09-23 2025-03-07 Dart Container Contenedor termoaislado y métodos de elaboración y ensamblaje.
JP6093795B2 (ja) * 2014-10-30 2017-03-08 積水化成品工業株式会社 ポリプロピレン系樹脂発泡シートの製造方法
KR20240118909A (ko) * 2014-12-30 2024-08-05 도레이 플라스틱스 아메리카 인코오포레이티드 재생 폴리올레핀 재료로부터 공압출 가교된 다층 폴리올레핀 발포체 구조물 및 그의 제조 방법
US10513589B2 (en) 2015-01-23 2019-12-24 Berry Plastics Corporation Polymeric material for an insulated container
KR101949068B1 (ko) 2015-02-04 2019-02-15 엑손모빌 케미칼 패턴츠 인코포레이티드 균형화된 변형 경화, 용융 강도, 및 전단 박화를 갖는 폴리프로필렌
US9937652B2 (en) 2015-03-04 2018-04-10 Berry Plastics Corporation Polymeric material for container
EP3280767A4 (en) 2015-04-10 2018-12-05 ExxonMobil Chemical Patents Inc. Extrusion of polypropylenes with organic peroxides
EP3617260A1 (en) * 2015-08-03 2020-03-04 Borealis AG Polypropylene composition suitable for foamed sheets and articles
US11007761B2 (en) 2017-03-31 2021-05-18 Toray Plastics (America), Inc. Method of making coextruded, cross-linked polyolefin foam with TPU cap layers
CA3013585A1 (en) 2017-08-08 2019-02-08 Berry Global, Inc. Insulated container
CN111278907A (zh) * 2017-10-27 2020-06-12 格雷斯公司 具有增加的熔体强度的聚烯烃聚合物
US11590677B2 (en) 2019-03-29 2023-02-28 Toray Plastics (America), Inc. Method of making coextruded, crosslinked polyolefin foam with KEE cap layers
US11590730B2 (en) 2019-03-29 2023-02-28 Toray Plastics (America), Inc. Coextruded, crosslinked polyolefin foam with KEE cap layers
CN110511482A (zh) * 2019-08-15 2019-11-29 合肥市和裕达塑业有限公司 一种超高阻燃、物理发泡挤出聚丙烯复合材料及制备方法
WO2021260101A1 (en) * 2020-06-26 2021-12-30 Borealis Ag Hms pp foam sheet with good compresssive strength and recoverability
US11702353B2 (en) * 2021-01-19 2023-07-18 Christopher A. Limcaco Floating water treatment apparatus

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830900A (en) * 1968-04-05 1974-08-20 T Winstead Method of forming foamed plastic sheets
US3787543A (en) * 1968-12-27 1974-01-22 Du Pont Process for the preparation of low density microcellular foam sheets exhibiting high work-to-tear values
US3637458A (en) * 1968-12-27 1972-01-25 Du Pont Microcellular foam sheet
GB1262889A (en) * 1969-02-24 1972-02-09 Monsanto Chemicals Foamed resins production
JPS4922547B1 (en:Method) * 1970-10-07 1974-06-10
US3787443A (en) * 1971-02-25 1974-01-22 Zoecon Corp Aryloxy epithio ethers
US3816234A (en) * 1971-03-22 1974-06-11 Burden W Impact absorbing laminate and articles fabricated therefrom
JPS5125454B1 (en:Method) * 1971-07-14 1976-07-31
JPS5162868A (ja) * 1974-11-30 1976-05-31 Furukawa Electric Co Ltd Kobunshiryohoriorefuinjushihatsuhotai oyobi sonoseizohoho
PT65356B (fr) * 1975-07-24 1978-01-09 Charbonnages Ste Chimique Procede d'obtention d'une feuille en polypropylene allege et feuille obtenue par ce procede
JPS53155578U (en:Method) * 1977-05-11 1978-12-06
US4214054A (en) * 1977-10-21 1980-07-22 Asahi-Dow Limited Expanded olefin polymer
US4424293A (en) * 1980-02-25 1984-01-03 The Furukawa Electric Co., Ltd. Crosslinkable polypropylene composition
JPS5759252A (en) * 1980-09-26 1982-04-09 Oki Electric Ind Co Ltd Operand control system of data flow computer
JPS57197132A (en) * 1981-05-29 1982-12-03 Sumitomo Chem Co Ltd Manufacture of polypropylene foam
JPS5943491B2 (ja) * 1981-08-05 1984-10-22 日本スチレンペ−パ−株式会社 ポリプロピレン系樹脂発泡成型体
JPS5876230A (ja) * 1981-10-31 1983-05-09 Kanegafuchi Chem Ind Co Ltd ポリプロピレン系樹脂発泡粒子の製造方法
US4467052A (en) * 1982-03-18 1984-08-21 Plasti-Pak Tray for packaging food products
US4525257A (en) * 1982-12-27 1985-06-25 Union Carbide Corporation Low level irradiated linear low density ethylene/alpha-olefin copolymers and film extruded therefrom
DE3472565D1 (en) * 1983-03-23 1988-08-11 Chuo Kagaku Co Production of resin foam by aqueous medium
US4538787A (en) * 1983-04-25 1985-09-03 Fox Richard B Rigid-foam plastic mold and method of preparation
JPS6031538A (ja) * 1983-07-29 1985-02-18 Furukawa Electric Co Ltd:The ポリオレフィン共重合発泡体の製造方法
JPS6032622A (ja) * 1983-08-04 1985-02-19 Japan Styrene Paper Co Ltd 無架橋ポリプロピレン系樹脂発泡体
JPS6089333A (ja) * 1983-10-21 1985-05-20 Tounen Sekiyu Kagaku Kk 超高分子量ポリプロピレン成形物およびその製造方法
LU85577A1 (fr) * 1984-10-08 1986-06-11 Montefina Sa Films en polypropylene expanse et procede pour les preparer
LU85576A1 (fr) * 1984-10-08 1986-06-11 Montefina Sa Materiaux rigides en polypropylene expanse et procede pour leur preparation
US4714716A (en) * 1984-11-16 1987-12-22 The Dow Chemical Company Lightly crosslinked linear olefinic polymer foams and process for making
CA1269494A (en) * 1985-01-25 1990-05-22 Takashi Hashimoto Heat-foamable crosslinked propylene resin composition in the form of a melt-shaped sheet structure
IN166935B (en:Method) * 1985-01-31 1990-08-11 Himont Inc
JPS61195132A (ja) * 1985-02-25 1986-08-29 Toa Nenryo Kogyo Kk 超高分子量α−オレフイン重合体微多孔膜の製造方法
DE3524704A1 (de) * 1985-07-11 1987-01-15 Boehringer Ingelheim Kg Nucleierungsmittel (porenregler) zur herstellung direktbegaster thermoplastschaeume
JPS6222808A (ja) * 1985-07-22 1987-01-31 Toa Nenryo Kogyo Kk 超高分子量ポリα−オレフインの製造法
JPS6262725A (ja) * 1985-09-13 1987-03-19 Daiichi Form Kk 熱可塑性合成樹脂発泡成形体の加工方法
JPH0686087B2 (ja) * 1986-02-28 1994-11-02 積水化成品工業株式会社 ポリプロピレン発泡体の製法
JPS63288731A (ja) * 1987-05-21 1988-11-25 Furukawa Electric Co Ltd:The ポリプロピレン樹脂系発泡体シ−トの製造方法
JPH0665698B2 (ja) * 1987-09-01 1994-08-24 積水化成品工業株式会社 ポリオレフィン系樹脂発泡シートの製造方法
JP2581757B2 (ja) * 1988-05-31 1997-02-12 電気化学工業株式会社 耐熱発泡シート及び容器
JPH0222031A (ja) * 1988-07-11 1990-01-24 Sekisui Plastics Co Ltd 積層シートの両面真空成形方法
US5047446A (en) * 1988-07-22 1991-09-10 Himont Incorporated Thermal treatment of irradiated propylene polymer material
US4940736A (en) * 1988-09-12 1990-07-10 Amoco Corporation Production of low density polypropylene foam
US5116881A (en) * 1990-03-14 1992-05-26 James River Corporation Of Virginia Polypropylene foam sheets

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JPH07266413A (ja) 1995-10-17
EP0520028A1 (en) 1992-12-30
TW212807B (en:Method) 1993-09-11
DE69109860T2 (de) 1995-10-26
US5149579A (en) 1992-09-22
KR930700590A (ko) 1993-03-15
US5180751B1 (en) 1999-09-28
ES2072606T3 (es) 1995-07-16
KR960003278B1 (ko) 1996-03-08
WO1991013933A1 (en) 1991-09-19
US5149579B1 (en) 1999-08-24
DE69109860D1 (de) 1995-06-22
US5116881A (en) 1992-05-26
US5180751A (en) 1993-01-19
JPH05506875A (ja) 1993-10-07
CA2078123A1 (en) 1991-09-15
JP2638532B2 (ja) 1997-08-06
EP0520028B1 (en) 1995-05-17
CA2078123C (en) 1995-10-24
JP2521388B2 (ja) 1996-08-07

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