BG62282B1 - Пенополистиролен лист и метод за производството му - Google Patents

Пенополистиролен лист и метод за производството му Download PDF

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Publication number
BG62282B1
BG62282B1 BG100288A BG10028896A BG62282B1 BG 62282 B1 BG62282 B1 BG 62282B1 BG 100288 A BG100288 A BG 100288A BG 10028896 A BG10028896 A BG 10028896A BG 62282 B1 BG62282 B1 BG 62282B1
Authority
BG
Bulgaria
Prior art keywords
sheet
polystyrene
foamed
film
foam
Prior art date
Application number
BG100288A
Other languages
Bulgarian (bg)
English (en)
Other versions
BG100288A (bg
Inventor
Phillip A. Wagner
Original Assignee
The Dow Chemical Company
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 The Dow Chemical Company filed Critical The Dow Chemical Company
Publication of BG100288A publication Critical patent/BG100288A/bg
Publication of BG62282B1 publication Critical patent/BG62282B1/bg

Links

Classifications

    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249991—Synthetic resin or natural rubbers
    • Y10T428/249992—Linear or thermoplastic
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249991—Synthetic resin or natural rubbers
    • Y10T428/249992—Linear or thermoplastic
    • Y10T428/249993—Hydrocarbon polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
BG100288A 1993-06-22 1996-01-17 Пенополистиролен лист и метод за производството му BG62282B1 (bg)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/081,043 US5362436A (en) 1993-06-22 1993-06-22 Polystyrene foam sheet useful for forming deep drawn articles, a process to produce those articles, and the deep drawn articles
PCT/US1994/006921 WO1995000320A1 (fr) 1993-06-22 1994-06-17 Feuille de mousse de polystyrene et son procede de fabrication

Publications (2)

Publication Number Publication Date
BG100288A BG100288A (bg) 1996-07-31
BG62282B1 true BG62282B1 (bg) 1999-07-30

Family

ID=22161760

Family Applications (1)

Application Number Title Priority Date Filing Date
BG100288A BG62282B1 (bg) 1993-06-22 1996-01-17 Пенополистиролен лист и метод за производството му

Country Status (19)

Country Link
US (2) US5362436A (fr)
EP (1) EP0706452B1 (fr)
CN (1) CN1050566C (fr)
AP (1) AP569A (fr)
AT (1) ATE189647T1 (fr)
AU (1) AU681685B2 (fr)
BG (1) BG62282B1 (fr)
CA (1) CA2166120C (fr)
CZ (1) CZ284599B6 (fr)
DE (1) DE69422986T2 (fr)
ES (1) ES2142949T3 (fr)
FI (1) FI111850B (fr)
HK (1) HK1014686A1 (fr)
HU (1) HU218821B (fr)
NZ (1) NZ268517A (fr)
PL (1) PL173949B1 (fr)
RU (1) RU2133671C1 (fr)
TW (1) TW305859B (fr)
WO (1) WO1995000320A1 (fr)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414970A (en) * 1993-12-23 1995-05-16 Styro Stop, Inc. Insulation barrier and a method of making and insulation barrier for a roof insulation system
US5506048A (en) * 1995-02-23 1996-04-09 Insul-Stop, Inc. Insulation barrier and a method of making a fire-retardant insulation barrier
US5667747A (en) * 1995-03-22 1997-09-16 Harding Product Supply Ltd. Vacuum formed three-dimensional surface article
CH691447A5 (de) * 1996-02-07 2001-07-31 Convenience Food Sys Bv Formungswerkzeug zur Herstellung von offenen Behältern durch Thermoformung von flächigem, geschäumtem Material.
ATE192377T1 (de) 1996-02-07 2000-05-15 Convenience Food Sys Bv Verfahren und vorrichtung zum herstellen von offenen behältern aus schaumfolien
AU3059197A (en) * 1996-05-06 1997-11-26 Solo Cup Company Polystyrene foam sheet for forming deep drawn articles, and the deep drawn articles made therefrom
US5736075A (en) * 1996-10-22 1998-04-07 C.J. Associates, Ltd. Method of forming a molded product using a freezing step
US5976288A (en) * 1997-01-10 1999-11-02 Ekendahl; Lars O. Method of forming a molded, multi-layer structure
JPH11105207A (ja) * 1997-10-02 1999-04-20 Sumitomo Chem Co Ltd 光拡散性積層樹脂板
IT1304580B1 (it) * 1998-06-12 2001-03-19 Ccpl Processo per la fabbricazione di vassoi per carne.
CA2281047A1 (fr) * 1998-10-14 2000-04-14 Premark Rwp Holdings, Inc. Dessus de profil a ame de mousse de placage a surface pleine et methodes de fabrication et d'utilisation
US6245266B1 (en) * 1999-03-15 2001-06-12 Sealed Air Corp. (Us) Method for making oriented polyethylene foam and foam produced thereby
US6583211B1 (en) * 2000-12-12 2003-06-24 Thomas A. Wayts Moldable composite material
US6919512B2 (en) * 2001-10-03 2005-07-19 Schlumberger Technology Corporation Field weldable connections
US6786992B2 (en) 2002-06-11 2004-09-07 Airdex International, Inc. Method of making a dunnage platform
US20080251487A1 (en) * 2002-10-30 2008-10-16 Semersky Frank E Overmolded container having a foam layer
US9296126B2 (en) * 2003-05-17 2016-03-29 Microgreen Polymers, Inc. Deep drawn microcellularly foamed polymeric containers made via solid-state gas impregnation thermoforming
EA200501796A1 (ru) * 2003-05-17 2006-12-29 Майкрогрин Полимерс, Инк Способ изготовления термоформованных изделий из газонасыщенных полимеров
US20180161076A1 (en) * 2003-10-27 2018-06-14 Honeywell International Inc. Foaming agents and compositions containing fluorine substituted olefins, and methods of foaming
GR1004968B (el) * 2004-09-23 2005-09-08 Weply Limited Διογκωμενο πολυστυρενιο με δυνατοτητα απορροφησης υγρασιας στο εσωτερικο του, μονοστρωματικο, χωρις επιφανειακη επικαλυψη με μεμβρανες (μη λαμιναρισμενο). παραγομενα προϊοντα και μεθοδος
US7694843B2 (en) 2005-05-27 2010-04-13 Prairie Packaging, Inc. Reinforced plastic foam cup, method of and apparatus for manufacturing same
US7814647B2 (en) 2005-05-27 2010-10-19 Prairie Packaging, Inc. Reinforced plastic foam cup, method of and apparatus for manufacturing same
US7818866B2 (en) 2005-05-27 2010-10-26 Prairie Packaging, Inc. Method of reinforcing a plastic foam cup
US7704347B2 (en) 2005-05-27 2010-04-27 Prairie Packaging, Inc. Reinforced plastic foam cup, method of and apparatus for manufacturing same
ITMO20050135A1 (it) * 2005-06-03 2006-12-04 Coopbox Europ S P A Procedimento per la produzione di polistirolo espanso.
US7945531B2 (en) * 2005-09-16 2011-05-17 Microsoft Corporation Interfaces for a productivity suite application and a hosted user interface
US7963397B2 (en) * 2006-02-09 2011-06-21 Seagle Vance L Modular, knock-down, light weight, thermally insulating, tamper proof shipping container and fire retardant shipping container bag
US7689481B2 (en) * 2006-02-15 2010-03-30 Airdex International, Inc. Light weight, strong, fire retardant dunnage platform bag and system of loading, dispensing and using bag
DE102006012990A1 (de) * 2006-03-22 2007-09-27 Bayer Materialscience Ag Flammgeschützte schlagzähmodifizierte Polycarbonat-Zusammensetzungen
WO2007133200A2 (fr) * 2006-05-09 2007-11-22 Carrier Corporation Couvercle composite d'une unité de réfrigération de transport et son procédé de fabrication
US20080057294A1 (en) * 2006-09-01 2008-03-06 Fina Technology, Inc. High impact polystyrene tile
US20080057295A1 (en) * 2006-09-01 2008-03-06 Fina Technology, Inc. Engravable board
US8877331B2 (en) * 2007-01-17 2014-11-04 MicroGREEN Polymers Multi-layered foamed polymeric objects having segmented and varying physical properties and related methods
US7807260B2 (en) * 2007-01-17 2010-10-05 Microgreen Polymers, Inc. Multi-layered foamed polymeric objects and related methods
US20100052201A1 (en) * 2008-03-03 2010-03-04 Microgreen Polymers, Inc. Foamed cellular panels and related methods
US8568125B2 (en) 2008-04-14 2013-10-29 Microgreen Polymers Inc. Roll fed flotation/impingement air ovens and related thermoforming systems for corrugation-free heating and expanding of gas impregnated thermoplastic webs
US8080194B2 (en) 2008-06-13 2011-12-20 Microgreen Polymers, Inc. Methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls or sheets
ES2659998T3 (es) * 2008-08-25 2018-03-20 Trinseo Europe Gmbh Materiales laminados termoplásticos multicapa y elementos termoformados y preparados a partir de ello
US8827197B2 (en) * 2008-11-04 2014-09-09 Microgreen Polymers Inc Apparatus and method for interleaving polymeric roll for gas impregnation and solid-state foam processing
FR2943268B1 (fr) * 2009-03-20 2014-02-28 Arcil Moule de thermofromage a isolation thermique et procede associe.
FI123620B (fi) 2009-04-03 2013-08-15 Maricap Oy Menetelmä ja väline jätteenkäsittelyssä
DE202009007494U1 (de) 2009-05-26 2009-09-17 Dow Global Technologies, Inc., Midland Mehrschichtige thermoplastische Blattmaterialien und daraus hergestellte thermogeformte Gegenstände
US20110195165A1 (en) * 2010-02-08 2011-08-11 Cahill John E Material and sheet for packaging bacon and/or other meats, and methods for making and using the same
US8828170B2 (en) 2010-03-04 2014-09-09 Pactiv LLC Apparatus and method for manufacturing reinforced containers
CA2795961A1 (fr) 2010-04-19 2011-10-27 Krishna Nadella Procede pour reunir un materiau polymere thermoplastique
PL2361759T3 (pl) * 2010-07-01 2013-05-31 Coopbox Eastern S R O Arkusz z tworzywa sztucznego, taca do produktów spożywczych otrzymana z takiego arkusza, opakowanie zawierające wymienioną tacę i związana z nią metoda produkcji
RU2443559C1 (ru) * 2010-08-05 2012-02-27 Виктор Борисович Гуричев Способ формования изделий для упаковки продуктов, устройство горячего формования изделий и способ увеличения толщины стенок изделий для упаковки продуктов при формовании
CN104053547B (zh) * 2011-12-06 2016-06-22 3M创新有限公司 整体的多层制品
JP6134339B2 (ja) 2012-02-29 2017-05-24 マイクログリーン ポリマーズ，インク． 熱可塑性材料内へのガス注入方法および関連システム
EP3401255A1 (fr) 2013-01-14 2018-11-14 Dart Container Corporation Systèmes pour dérouler un rouleau de matériau thermoplastique entrelacé avec un matériau poreux, et procédés associés
CN105197344A (zh) 2014-06-25 2015-12-30 艾尔戴克斯国际公司 承载结构
EP3197790A4 (fr) 2014-09-23 2018-03-28 Dart Container Corporation Récipient isolé et procédés de fabrication et d'assemblage
JP6797736B2 (ja) * 2017-03-31 2020-12-09 積水化成品工業株式会社 複合発泡体及びその製造方法
EP4155046A1 (fr) * 2021-12-23 2023-03-29 SABIC Global Technologies B.V. Ensemble en mousse

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141595A (en) 1962-07-20 1964-07-21 Illinois Tool Works Container
US3531555A (en) * 1963-03-01 1970-09-29 Haskon Inc Process for forming foamed containers
US3338997A (en) * 1963-03-14 1967-08-29 Dow Chemical Co Method and apparatus for forming plastic containers
GB1050635A (fr) * 1963-03-14
US3260781A (en) * 1963-07-02 1966-07-12 Haveg Industries Inc Process for thermoforming a shrinkresistant foamed polystyrene cup
US3640668A (en) * 1969-07-24 1972-02-08 Packaging Ind Inc Reentrant forming apparatus
DE2163759C3 (de) 1971-02-13 1980-11-27 Omv Spa Off Mecc Veronese Verfahren und Vorrichtung zum Anformen eines umlaufenden Wulstes am Rand eines oben offenen Behälters
DE2522190B2 (de) * 1975-05-17 1977-08-18 Chemische Werke Hüls AG, 4370 Mari Verwendung von folien auf der grundlage von styrolpolymerisaten zum herstellen von formkoerpern nach dem vakuumtiefziehverfahren
US4214056A (en) * 1978-05-19 1980-07-22 Monsanto Company Method for preparing a monoalkenyl aromatic polyblend having a dispersed rubber phase as particles with a bimodal particle size distribution
US4239727A (en) * 1978-09-15 1980-12-16 Mobil Oil Corporation Method and apparatus for thermoforming thermoplastic foam articles
DE3035570A1 (de) * 1980-09-20 1982-05-06 Basf Ag, 6700 Ludwigshafen Schlagfeste thermoplastische formmasse
JPS58196239A (ja) * 1982-05-11 1983-11-15 Sekisui Plastics Co Ltd 二次成形に適したポリスチレン系発泡シ−ト
JPS59179545A (ja) * 1983-03-29 1984-10-12 Asahi Chem Ind Co Ltd 補強スチレン系樹脂構造体
CA1335524C (fr) * 1988-04-11 1995-05-09 Hideo Kasahara Composition de resine de polystyrene modifiee au caoutchouc
JP2841303B2 (ja) * 1989-12-12 1998-12-24 旭化成工業株式会社 発泡用樹脂組成物とその発泡成形体
JPH086013B2 (ja) * 1990-03-06 1996-01-24 東レ株式会社 高光沢樹脂組成物
JPH04311755A (ja) * 1991-04-11 1992-11-04 Asahi Chem Ind Co Ltd 難燃性スチレン系樹脂組成物
JP3329838B2 (ja) * 1991-07-11 2002-09-30 電気化学工業株式会社 スチレン系樹脂二軸延伸シート

Also Published As

Publication number Publication date
HU218821B (hu) 2000-12-28
CA2166120C (fr) 2005-04-12
TW305859B (fr) 1997-05-21
WO1995000320A1 (fr) 1995-01-05
EP0706452B1 (fr) 2000-02-09
ES2142949T3 (es) 2000-05-01
FI956285A0 (fi) 1995-12-27
FI956285A (fi) 1996-02-14
CA2166120A1 (fr) 1995-01-05
DE69422986D1 (de) 2000-03-16
US5362436A (en) 1994-11-08
EP0706452A4 (fr) 1997-03-05
RU2133671C1 (ru) 1999-07-27
PL173949B1 (pl) 1998-05-29
NZ268517A (en) 1996-12-20
BG100288A (bg) 1996-07-31
HK1014686A1 (en) 1999-09-30
ATE189647T1 (de) 2000-02-15
CZ1796A3 (en) 1996-07-17
US5364696A (en) 1994-11-15
EP0706452A1 (fr) 1996-04-17
CZ284599B6 (cs) 1999-01-13
FI111850B (fi) 2003-09-30
CN1050566C (zh) 2000-03-22
HUT73319A (en) 1996-07-29
AP9600776A0 (en) 1996-01-31
CN1128513A (zh) 1996-08-07
AU681685B2 (en) 1997-09-04
DE69422986T2 (de) 2000-10-19
PL312578A1 (en) 1996-04-29
AU7175494A (en) 1995-01-17
HU9503804D0 (en) 1996-02-28
AP569A (en) 1996-11-25

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