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BR9001622A - Processo para remocao do agente de insuflacao de espumas polimericas - Google Patents

Processo para remocao do agente de insuflacao de espumas polimericas

Info

Publication number
BR9001622A
BR9001622A BR909001622A BR9001622A BR9001622A BR 9001622 A BR9001622 A BR 9001622A BR 909001622 A BR909001622 A BR 909001622A BR 9001622 A BR9001622 A BR 9001622A BR 9001622 A BR9001622 A BR 9001622A
Authority
BR
Brazil
Prior art keywords
insuflation
agent
polymeric foam
polymeric
foam
Prior art date
Application number
BR909001622A
Other languages
English (en)
Inventor
Michael Ray Ascough
James Allan Bueley
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 BR9001622A publication Critical patent/BR9001622A/pt

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/35—Shredding, crushing or cutting
    • 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
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00—Type of solid waste
    • B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00—Type of solid waste
    • B09B2101/75—Plastic waste
    • B09B2101/78—Plastic waste containing foamed plastics, e.g. polystyrol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
BR909001622A 1989-04-10 1990-04-06 Processo para remocao do agente de insuflacao de espumas polimericas BR9001622A (pt)

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
BR9001622A true BR9001622A (pt) 1991-05-07

Family

ID=23313911

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909001622A BR9001622A (pt) 1989-04-10 1990-04-06 Processo para remocao do agente de insuflacao de espumas polimericas

Country Status (10)

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

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
DE60018467T2 (de) * 1999-12-23 2006-02-16 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
AU623239B2 (en) 1992-05-07
CN1046341A (zh) 1990-10-24
JPH02294341A (ja) 1990-12-05
US4976862A (en) 1990-12-11
ZA902742B (en) 1991-12-24
EP0392760A3 (en) 1991-10-16
AR244590A1 (es) 1993-11-30
KR900015782A (ko) 1990-11-10
KR910018455A (ko) 1991-11-30
EP0392760A2 (en) 1990-10-17
CA2013007A1 (en) 1990-10-10
AU5298290A (en) 1990-10-11

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee