ZA902742B - Process for extraction of blowing agents from polymeric foams - Google Patents

Process for extraction of blowing agents from polymeric foams

Info

Publication number
ZA902742B
ZA902742B ZA902742A ZA902742A ZA902742B ZA 902742 B ZA902742 B ZA 902742B ZA 902742 A ZA902742 A ZA 902742A ZA 902742 A ZA902742 A ZA 902742A ZA 902742 B ZA902742 B ZA 902742B
Authority
ZA
South Africa
Prior art keywords
extraction
blowing agents
polymeric foams
foams
polymeric
Prior art date
Application number
ZA902742A
Other languages
English (en)
Inventor
Michael R Ascough
R Ascough Michael
James Allan Bueley
Allan Bueley James
Original Assignee
Du Pont Canada
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 Du Pont Canada filed Critical Du Pont Canada
Publication of ZA902742B publication Critical patent/ZA902742B/xx

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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • 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
    • C08J11/00Recovery or working-up of waste materials
    • C08J11/02Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/02Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
ZA902742A 1989-04-10 1990-04-10 Process for extraction of blowing agents from polymeric foams ZA902742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/335,947 US4976862A (en) 1989-04-10 1989-04-10 Process for extraction and recovery of blowing agents from polymeric foams

Publications (1)

Publication Number Publication Date
ZA902742B true ZA902742B (en) 1991-12-24

Family

ID=23313911

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA902742A ZA902742B (en) 1989-04-10 1990-04-10 Process for extraction of blowing agents from polymeric foams

Country Status (10)

Country Link
US (1) US4976862A (zh)
EP (1) EP0392760A3 (zh)
JP (1) JPH02294341A (zh)
KR (2) KR900015782A (zh)
CN (1) CN1046341A (zh)
AR (1) AR244590A1 (zh)
AU (1) AU623239B2 (zh)
BR (1) BR9001622A (zh)
CA (1) CA2013007A1 (zh)
ZA (1) ZA902742B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5160354A (en) * 1991-05-14 1992-11-03 Du Pont Canada Inc. Process and apparatus for extraction and recovery of blowing agents from polymeric foams
DE4224749A1 (de) * 1992-07-27 1994-02-03 Adelmann Ag Verfahren zur Beseitigung von in Kunststoff gebundenen Treibmittelgasen sowie Anlage zur Durchführung des Verfahrens
IT1264479B1 (it) * 1993-06-30 1996-09-23 Enichem Spa Procedimento per il recupero di agenti espandenti di natura clorofluoroalcanica inglobati in matrici polimeriche espanse di
DE19530534C2 (de) * 1995-08-19 1999-03-25 Kluthe Gmbh Chem Werke Destillations- und Trocknungsverfahren für Altlösemittel
ATE290042T1 (de) * 1999-12-23 2005-03-15 Mobius Technologies Inc Behandlung von polymerschaum
CN101381474B (zh) * 2008-10-21 2010-11-10 刘景洋 一种聚氨酯硬泡安全回用方法
FR3100543B1 (fr) * 2019-09-06 2022-07-15 Arkema France Procédé de récupération et de séparation d’hydrocarbures fluorés insaturés
CN114522966A (zh) * 2022-01-27 2022-05-24 格林爱科(荆门)新能源材料有限公司 一种镍钴氢氧化物的回收系统和回收方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697388A (en) * 1969-11-06 1972-10-10 Seymour Mfg Co Process of reclaiming a liquid organic solvent from a foam contaminant
US3780744A (en) * 1972-06-26 1973-12-25 Reynolds Tobacco Co R Recovery of organic liquids used for treating tobacco
US3788331A (en) * 1972-06-26 1974-01-29 Reynolds Tobacco Co R Solvent recovery in tobacco treating process
US3793801A (en) * 1972-09-28 1974-02-26 Lummus Co Recovery of chlorinated hydrocarbon
US4175932A (en) * 1976-04-05 1979-11-27 Clay B Jan Method for continuous vapor recovery
US4095605A (en) * 1976-09-02 1978-06-20 Reynolds Leasing Corporation Recovery system for use with a batch process for increasing the filling capacity of tobacco
US4098996A (en) * 1977-02-22 1978-07-04 Fmc Corporation Regenerated cellulose film recovery process
US4289605A (en) * 1978-08-23 1981-09-15 Engelhard Minerals & Chemicals Corporation Catalytic cracking of metal contaminated mineral oil fractions
US4531951A (en) * 1983-12-19 1985-07-30 Cellu Products Company Method and apparatus for recovering blowing agent in foam production
US4531950A (en) * 1983-12-19 1985-07-30 Cellu Products Company Method and apparatus for recovering blowing agent from scrap foam

Also Published As

Publication number Publication date
CN1046341A (zh) 1990-10-24
EP0392760A2 (en) 1990-10-17
BR9001622A (pt) 1991-05-07
AR244590A1 (es) 1993-11-30
KR900015782A (ko) 1990-11-10
CA2013007A1 (en) 1990-10-10
US4976862A (en) 1990-12-11
AU623239B2 (en) 1992-05-07
KR910018455A (ko) 1991-11-30
AU5298290A (en) 1990-10-11
EP0392760A3 (en) 1991-10-16
JPH02294341A (ja) 1990-12-05

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