CA2109626A1 - Polystyrene foams containing 1,1-difluoroethane and process of preparation - Google Patents

Polystyrene foams containing 1,1-difluoroethane and process of preparation

Info

Publication number
CA2109626A1
CA2109626A1 CA002109626A CA2109626A CA2109626A1 CA 2109626 A1 CA2109626 A1 CA 2109626A1 CA 002109626 A CA002109626 A CA 002109626A CA 2109626 A CA2109626 A CA 2109626A CA 2109626 A1 CA2109626 A1 CA 2109626A1
Authority
CA
Canada
Prior art keywords
preparation
difluoroethane
polystyrene foams
foams containing
polystyrene
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.)
Granted
Application number
CA002109626A
Other languages
French (fr)
Other versions
CA2109626C (en
Inventor
Robert O. York
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.)
EIDP Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2109626A1 publication Critical patent/CA2109626A1/en
Application granted granted Critical
Publication of CA2109626C publication Critical patent/CA2109626C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08J9/04Working-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
    • C08J9/144Halogen containing compounds containing carbon, halogen and hydrogen only
    • C08J9/146Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
    • 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
    • C08J2325/00Characterised 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
    • 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.]

Abstract

This invention relates to the use of polyfluorocarbon blowing agents in the preparation of polymer foams; particularly the use of 1,1-difluoroethane in the preparation of polystyrene foams for food packaging and food serving.
CA 2109626 1991-05-20 1992-05-18 Polystyrene foams containing 1,1-difluoroethane and process of preparation Expired - Lifetime CA2109626C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/702,285 US5147896A (en) 1991-05-20 1991-05-20 Foam blowing agent composition and process for producing foams
US07/702,285 1991-05-20
PCT/US1992/004125 WO1992020730A1 (en) 1991-05-20 1992-05-18 Foam blowing agent composition and process for producing foams

Publications (2)

Publication Number Publication Date
CA2109626A1 true CA2109626A1 (en) 1992-11-26
CA2109626C CA2109626C (en) 2002-09-10

Family

ID=24820587

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2109626 Expired - Lifetime CA2109626C (en) 1991-05-20 1992-05-18 Polystyrene foams containing 1,1-difluoroethane and process of preparation

Country Status (11)

Country Link
US (2) US5147896A (en)
EP (2) EP0515125A1 (en)
JP (1) JP3276957B2 (en)
KR (1) KR100204846B1 (en)
CN (1) CN1049440C (en)
AU (1) AU2141692A (en)
BR (1) BR9206019A (en)
CA (1) CA2109626C (en)
MX (1) MX9202345A (en)
TW (1) TW238326B (en)
WO (1) WO1992020730A1 (en)

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DE4138388A1 (en) * 1991-11-22 1993-05-27 Basf Ag METHOD FOR PRODUCING FOAM PLATES WITH HIGH PRESSURE RESISTANCE
US5244928A (en) * 1992-08-07 1993-09-14 The Dow Chemical Company Foamable composition and process for making large cell size alkenyl aromatic polymer foam structure with 1,1-difluoroethane
AU5814894A (en) * 1992-12-23 1994-07-19 Solvay (Societe Anonyme) Mixtures useful for preparing a cellular polymeric material
US5611210A (en) * 1993-03-05 1997-03-18 Ikon Corporation Fluoroiodocarbon blends as CFC and halon replacements
US5411684A (en) * 1993-04-30 1995-05-02 The Dow Chemical Company Process for making large cross-section olefinic polymer foam structure blown with 1, 1-difluoroethane
US5405883A (en) * 1993-07-12 1995-04-11 The Dow Chemical Company Ethylene polymer foams blown with isobutane and 1,1-difluoroethane and a process for making
US5411683B1 (en) * 1993-08-20 2000-08-01 Sweetheart Cup Co Method for making thermoplastic foam with combined 1,1-difluoroethane and co2 blowing agent
US5616549A (en) 1995-12-29 1997-04-01 Clark; Lawrence A. Molecular level cleaning of contaminates from parts utilizing an envronmentally safe solvent
AU3964097A (en) * 1996-07-24 1998-02-10 E.I. Du Pont De Nemours And Company Closed cell thermoplastic foams containing hfc-134
US6706223B1 (en) * 1997-12-19 2004-03-16 Trexel, Inc. Microcelluar extrusion/blow molding process and article made thereby
US6428297B1 (en) * 1998-10-28 2002-08-06 Dart Container Corporation Apparatus for making a corrugation-free foam
US6274640B1 (en) 2000-08-17 2001-08-14 Owens Corning Fiberglas Technology, Inc. Extruded foam product with 134a and alcohol blowing agent
AU2003253838A1 (en) * 2002-09-17 2004-04-08 Dow Global Technologies Inc. Fire resistant polymeric foam composites
US9796848B2 (en) * 2002-10-25 2017-10-24 Honeywell International Inc. Foaming agents and compositions containing fluorine substituted olefins and methods of foaming
AU2003226992A1 (en) * 2003-04-24 2004-11-19 National Research Council Of Canada Low loss foam composition and cable having low loss foam layer
US7244489B2 (en) * 2003-05-12 2007-07-17 Cryovac, Inc. Foamed article with absorbing characteristics on one side and non-absorbing characteristics on the other side and method for producing same
US20080287560A1 (en) * 2004-12-31 2008-11-20 Loh Roland R Polymer foams containing multi-functional layered nano-graphite
US8568632B2 (en) 2003-11-26 2013-10-29 Owens Corning Intellectual Capital, Llc Method of forming thermoplastic foams using nano-particles to control cell morphology
US9359481B2 (en) * 2003-11-26 2016-06-07 Owens Corning Intellectual Capital, Llc Thermoplastic foams and method of forming them using nano-graphite
EP1548050A1 (en) * 2003-11-26 2005-06-29 Solvay Fluor GmbH Mixture of foaming agents
AU2006279361A1 (en) * 2005-08-19 2007-02-22 Advanced Plastics Technologies Luxembourg S.A. Mono and multi-layer labels
US9187608B2 (en) 2005-09-08 2015-11-17 Owens Corning Intellectual Capital, Llc Polystyrene foam containing a modifier-free nanoclay and having improved fire protection performance
KR20160104751A (en) 2005-11-01 2016-09-05 이 아이 듀폰 디 네모아 앤드 캄파니 Blowing agents for forming foam comprising unsaturated fluorocarbons
US20080149899A1 (en) * 2006-12-21 2008-06-26 E. I. Du Pont De Nemours And Company Foamable Fluoropolymer Composition
CN101657495B (en) * 2007-04-16 2012-06-20 陶氏环球技术公司 Alkenyl aromatic foam with low solubility hydrofluorocarbon
US20090145740A1 (en) * 2007-10-04 2009-06-11 Indraneel Sen Method for Expansion and Molding of Polymeric Foam
KR20110125263A (en) 2009-03-06 2011-11-18 솔베이 플루오르 게엠베하 Use of unsaturated hydrofluorocarbons
US8715437B2 (en) 2010-02-22 2014-05-06 Novation Iq Llc Composite foam product
WO2018165623A1 (en) 2017-03-10 2018-09-13 The Chemours Company Fc, Llc Uses of fluorinated epoxides and novel mixtures thereof
WO2018165608A1 (en) 2017-03-10 2018-09-13 The Chemours Company Fc, Llc Processes for preparing partially fluorinated epoxides and perfluorinated epoxides and compositions related thereto
CA3060662A1 (en) 2017-05-19 2018-11-22 The Chemours Company Fc, Llc Fluorinated compounds useful as foam expansion agents
CA3077257A1 (en) 2017-09-29 2019-04-04 The Chemours Company Fc, Llc Blowing agent composition for preparation of a foam
JP2021523251A (en) 2018-05-04 2021-09-02 ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー Effervescent foam with improved heat insulation performance
US20220033607A1 (en) 2018-10-05 2022-02-03 The Chemours Company Fc, Llc Compositions comprising 1,2-dichloro-1,2-difluoroethylene for use in foam blowing applications
CA3167790A1 (en) 2020-02-04 2021-08-12 The Chemours Company Fc, Llc Nucleating agents for pir foams

Family Cites Families (22)

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US3668155A (en) * 1968-06-27 1972-06-06 Dow Chemical Co Self-extinguishing ethylene copolymer foams comprising a ternary mixture of an antimony compound, a halogen-containing compound and a bromine compound
IT944979B (en) * 1971-08-03 1973-04-20 Dow Chemical Co COMPOSITION CONTAINING A FIREPROOF COMPOUND FOR THE PROTECTIVE AND INSULATING COATING OF ELECTRIC CABLES
US3912667A (en) * 1971-09-13 1975-10-14 Spitzer Joseph G Structures such as applicator pads for cleaning and other purposes, propellant compositions for forming the same and process
US3983080A (en) * 1974-09-20 1976-09-28 The Dow Chemical Company Extrusion foaming of normally crystalline vinylidene chloride polymers
US4101467A (en) * 1976-02-27 1978-07-18 The Dow Chemical Company Soft ethylenic polymer foams
US4214054A (en) * 1977-10-21 1980-07-22 Asahi-Dow Limited Expanded olefin polymer
FR2420767A1 (en) * 1978-03-22 1979-10-19 Jeumont Schneider DEVICE FOR MEASURING THE FREQUENCY OF A PULSE GENERATOR AND DIGITAL CONTROL SYSTEM INCLUDING SUCH A DEVICE
US4226946A (en) * 1979-02-22 1980-10-07 The Dow Chemical Company Polyethylene blend foams having improved compressive strength
JPS56125436A (en) * 1980-03-10 1981-10-01 Asahi Chem Ind Co Ltd Foaming synthetic resin composition
FR2460974A1 (en) * 1980-04-28 1981-01-30 Asahi Dow Ltd PROCESS FOR THE PREPARATION OF A POLYOLEFIN RESIN FOAM
US4368276A (en) * 1980-05-29 1983-01-11 The Dow Chemical Company Novel olefin polymer compositions and foamed articles prepared therefrom having improved elevated temperature dimensional stability
US4422877A (en) * 1980-10-28 1983-12-27 Restech Research Limited Partnership Synthetic polymer-propellant compositions forming cold foamed structures having a temperature at least 30° C. below ambient temperature and containing open and/or closed cells
US4308352A (en) * 1981-04-24 1981-12-29 Packaging Industries Group, Inc. Process of extruding polysulfone foam
US4387169A (en) * 1981-10-01 1983-06-07 The Dow Chemical Co. Low density, extruded ethylenic polymer foams
US4431575A (en) * 1982-11-08 1984-02-14 The Dow Chemical Company Foamable polyolefin resin composition
US4528300A (en) * 1984-01-31 1985-07-09 The Dow Chemical Company Process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems
JPH07119314B2 (en) * 1987-10-12 1995-12-20 三井・デュポンフロロケミカル株式会社 Blowing agent composition for thermoplastic resin foaming
US4916166A (en) * 1988-10-17 1990-04-10 The Dow Chemical Company Insulating alkenyl aromatic polymer foam
ATE123506T1 (en) * 1989-02-28 1995-06-15 Uc Ind Inc METHOD FOR PRODUCING EXTRUDED FOAM MOLDS.
DE3921523C1 (en) * 1989-06-30 1990-10-31 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
US5128073A (en) * 1989-10-26 1992-07-07 General Electric Company Expanding thermoplastic resin beads with very high frequency energy
US5011866A (en) * 1989-11-08 1991-04-30 The Dow Chemical Company Insulating alkenyl aromatic polymer foam

Also Published As

Publication number Publication date
CA2109626C (en) 2002-09-10
WO1992020730A1 (en) 1992-11-26
US5204169A (en) 1993-04-20
JPH07502287A (en) 1995-03-09
BR9206019A (en) 1994-09-27
KR100204846B1 (en) 1999-06-15
MX9202345A (en) 1992-11-01
AU2141692A (en) 1992-12-30
EP0585378B1 (en) 1998-04-22
EP0585378A1 (en) 1994-03-09
US5147896A (en) 1992-09-15
CN1049440C (en) 2000-02-16
CN1066858A (en) 1992-12-09
TW238326B (en) 1995-01-11
JP3276957B2 (en) 2002-04-22
EP0515125A1 (en) 1992-11-25

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Legal Events

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EEER Examination request
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