PT94865A - Processo para a producao de uma espuma de poliestireno feita com somente dioxido de carbono como um agente de sopro - Google Patents

Processo para a producao de uma espuma de poliestireno feita com somente dioxido de carbono como um agente de sopro

Info

Publication number
PT94865A
PT94865A PT94865A PT9486590A PT94865A PT 94865 A PT94865 A PT 94865A PT 94865 A PT94865 A PT 94865A PT 9486590 A PT9486590 A PT 9486590A PT 94865 A PT94865 A PT 94865A
Authority
PT
Portugal
Prior art keywords
carbon dioxide
production
blowing agent
polystyrene foam
foam made
Prior art date
Application number
PT94865A
Other languages
English (en)
Other versions
PT94865B (pt
Inventor
Gary C Welsh
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
Publication of PT94865A publication Critical patent/PT94865A/pt
Publication of PT94865B publication Critical patent/PT94865B/pt

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
    • C08J9/122Hydrogen, oxygen, CO2, nitrogen or noble gases
    • 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
    • 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
    • C08J2325/02Homopolymers or copolymers of hydrocarbons
    • C08J2325/04Homopolymers or copolymers of styrene
PT94865A 1989-08-02 1990-07-31 Processo para a producao de uma espuma de poliestireno feita com somente dioxido de carbono como um agente de sopro PT94865B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/388,468 US5250577A (en) 1989-08-02 1989-08-02 Polystyrene foam made with only carbon dioxide as a blowing agent and a process for making the same

Publications (2)

Publication Number Publication Date
PT94865A true PT94865A (pt) 1991-04-18
PT94865B PT94865B (pt) 1997-08-29

Family

ID=23534237

Family Applications (1)

Application Number Title Priority Date Filing Date
PT94865A PT94865B (pt) 1989-08-02 1990-07-31 Processo para a producao de uma espuma de poliestireno feita com somente dioxido de carbono como um agente de sopro

Country Status (13)

Country Link
US (1) US5250577A (pt)
EP (1) EP0411923B1 (pt)
JP (1) JP3023695B2 (pt)
KR (1) KR0160764B1 (pt)
AT (1) ATE161864T1 (pt)
AU (1) AU647032B2 (pt)
BR (1) BR9003770A (pt)
CA (1) CA2022501C (pt)
DE (1) DE69031887T2 (pt)
ES (1) ES2110961T3 (pt)
HK (1) HK1004069A1 (pt)
PT (1) PT94865B (pt)
SG (1) SG47633A1 (pt)

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US5753717A (en) * 1994-03-30 1998-05-19 Aci Operations Pty Ltd. Plastics foam and method of manufacturing same
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US6884377B1 (en) 1996-08-27 2005-04-26 Trexel, Inc. Method and apparatus for microcellular polymer extrusion
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US6093352A (en) * 1998-09-16 2000-07-25 Owens Corning Fiberglas Technology, Inc. Process for producing foam by monitoring key process parameters
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US6187831B1 (en) 1998-09-16 2001-02-13 Owens Corning Fiberglas Technology, Inc. Process for producing extruded foam products with higher levels of CO2 as a blowing agent
CA2346992C (en) 1998-10-21 2009-12-29 Owens Corning Process for producing extruded polystyrene foam products with co2 containing blowing agents
GB2384746B (en) * 1998-10-28 2003-10-15 Dart Container Methods of and apparatus for making a corrugation-free foam
GB2388070B (en) * 1998-10-28 2003-12-10 Dart Container Thermoplastic corrugation-free foam
US6428297B1 (en) * 1998-10-28 2002-08-06 Dart Container Corporation Apparatus for making a corrugation-free foam
US6258863B1 (en) 1998-12-07 2001-07-10 Reedy International Corporation Process for producing alkenyl aromatic foams having increased thermal insulation using cycloalkane blowing agent and foams produced thereby
ES2156458T3 (es) 1999-01-20 2001-06-16 Poliglas Sa Procedimiento e instalacion para la produccion de poliestireno en espuma, asi como bloques y placas de espuma obtenidos con aquellos.
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US8507568B2 (en) * 2008-05-28 2013-08-13 The Ohio State University Suspension polymerization and foaming of water containing activated carbon-nano/microparticulate polymer composites
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Also Published As

Publication number Publication date
ATE161864T1 (de) 1998-01-15
EP0411923B1 (en) 1998-01-07
BR9003770A (pt) 1991-09-03
EP0411923A3 (en) 1991-10-23
US5250577A (en) 1993-10-05
JPH0381346A (ja) 1991-04-05
PT94865B (pt) 1997-08-29
CA2022501A1 (en) 1991-02-03
AU6007290A (en) 1991-02-07
ES2110961T3 (es) 1998-03-01
KR0160764B1 (ko) 1999-01-15
SG47633A1 (en) 1998-04-17
DE69031887T2 (de) 1998-08-13
AU647032B2 (en) 1994-03-17
JP3023695B2 (ja) 2000-03-21
HK1004069A1 (en) 1998-11-13
CA2022501C (en) 1998-04-28
EP0411923A2 (en) 1991-02-06
DE69031887D1 (de) 1998-02-12
KR910004722A (ko) 1991-03-29

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19901025

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20011130