CA2109626A1 - Polystyrene foams containing 1,1-difluoroethane and process of preparation - Google Patents
Polystyrene foams containing 1,1-difluoroethane and process of preparationInfo
- 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
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
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
-
- 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
-
- 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.]
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.
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) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6121337A (en) * | 1990-03-23 | 2000-09-19 | E. I. Du Pont De Nemours And Company | Compositions containing 1,1,2,2-tetrafluoroethane (HFC-134) for closed-cell polymer foam production |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
1991
- 1991-05-20 US US07/702,285 patent/US5147896A/en not_active Expired - Lifetime
-
1992
- 1992-05-18 AU AU21416/92A patent/AU2141692A/en not_active Abandoned
- 1992-05-18 JP JP50023093A patent/JP3276957B2/en not_active Expired - Fee Related
- 1992-05-18 TW TW81103864A patent/TW238326B/zh active
- 1992-05-18 CA CA 2109626 patent/CA2109626C/en not_active Expired - Lifetime
- 1992-05-18 WO PCT/US1992/004125 patent/WO1992020730A1/en active IP Right Grant
- 1992-05-18 BR BR9206019A patent/BR9206019A/en not_active IP Right Cessation
- 1992-05-18 KR KR1019930703513A patent/KR100204846B1/en not_active IP Right Cessation
- 1992-05-18 EP EP19920304483 patent/EP0515125A1/en active Pending
- 1992-05-18 EP EP19920912895 patent/EP0585378B1/en not_active Expired - Lifetime
- 1992-05-19 MX MX9202345A patent/MX9202345A/en not_active IP Right Cessation
- 1992-05-20 CN CN92103929A patent/CN1049440C/en not_active Expired - Fee Related
- 1992-08-03 US US07/923,592 patent/US5204169A/en not_active Expired - Lifetime
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2109626A1 (en) | Polystyrene foams containing 1,1-difluoroethane and process of preparation | |
AU643144B2 (en) | Starch/polymer mixture, process for the preparation thereof, and products obtainable therefrom | |
AU622023B2 (en) | Preparation of urethane and isocyanurate foams in the presence of a low boiling point blowing agent | |
EP0586034A3 (en) | High pullulan content product, and its preparation and uses. | |
GR3017837T3 (en) | Hard foam and its preparation process. | |
AU640506B2 (en) | Apparatuses and methods for incorporating blowing agents into liquids for the production of polymer foams | |
AU7928891A (en) | Mixtures of low molecular weight polysaccharides, and their preparation and use | |
AU588455B2 (en) | Baking-tin adapted to cook and distribute sweet things such as small cakes, puddings and the like, or foodstuffs in general | |
EP0718325A3 (en) | Process for preparing ethylene-alpha-olefin-nonconjugated polyene random copolymer, copolymer obtained thereby, and uses of the copolymer | |
AU1108695A (en) | Aza-4-iminoquinolines, methods of preparing them and their use | |
AU6194094A (en) | Sweetener, process for the preparation thereof and the use thereof | |
IL88777A0 (en) | Soluble polyimidesiloxanes,their preparation and articles made therefrom or coated therewith | |
AU619425B2 (en) | Flavoured konnyaku composition, process for preparing same and food product containing same | |
AU5254690A (en) | Polyisocoyanate compositions and their use in the manufacture of polymeric foams | |
CA2112811A1 (en) | Continuous cell line and vaccine against avian coccidia | |
EP0337738A3 (en) | Sulfonation product of conjugated diene, polymer of the sulfonation product and dispersion composition containing the sulfonation product and/or of the polymer | |
EP0384816A3 (en) | Cheese containing beverage | |
EP0618233A3 (en) | Process for the preparation and treatment of N-hydroxyalkylchitosane soluble in aqueous medium. | |
CA2003213A1 (en) | Antimycotically active cyclopropyl-substituted azolylmethylcarbinols | |
AU585818B2 (en) | Display case for fragrance bottles, jewelry or the like, and hinge use therein | |
AU5231090A (en) | Foamed seasonings, foamable seasoning composition liquors and production thereof | |
AU5958990A (en) | Container, in particular for free-flowing products | |
AU638082B2 (en) | Thiazolyl-5-carbonamide derivatives, the preparation thereof composition containing them and their use against microorganisms | |
AU1402592A (en) | Process for the selective reduction of the 4-halogen in 2,4-dihaloanilines | |
AU9025291A (en) | Renin-inhibiting peptides of the cyclohexylstatin type, process for producing the same and their use in medicaments |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |