CA1018537A - Method for continuous hydrolysis of polyurethane foam in fluidized bed and recovery of products therefrom - Google Patents

Method for continuous hydrolysis of polyurethane foam in fluidized bed and recovery of products therefrom

Info

Publication number
CA1018537A
CA1018537A CA181,391A CA181391A CA1018537A CA 1018537 A CA1018537 A CA 1018537A CA 181391 A CA181391 A CA 181391A CA 1018537 A CA1018537 A CA 1018537A
Authority
CA
Canada
Prior art keywords
recovery
fluidized bed
polyurethane foam
products therefrom
continuous hydrolysis
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.)
Expired
Application number
CA181,391A
Other versions
CA181391S (en
Inventor
Olin B. Johnson
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.)
Ford Motor Company of Canada Ltd
Original Assignee
Ford Motor Company of Canada Ltd
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 Ford Motor Company of Canada Ltd filed Critical Ford Motor Company of Canada Ltd
Application granted granted Critical
Publication of CA1018537A publication Critical patent/CA1018537A/en
Expired legal-status Critical Current

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
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/14—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with steam or water
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
CA181,391A 1972-12-18 1973-09-18 Method for continuous hydrolysis of polyurethane foam in fluidized bed and recovery of products therefrom Expired CA1018537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31597772A 1972-12-18 1972-12-18

Publications (1)

Publication Number Publication Date
CA1018537A true CA1018537A (en) 1977-10-04

Family

ID=23226933

Family Applications (1)

Application Number Title Priority Date Filing Date
CA181,391A Expired CA1018537A (en) 1972-12-18 1973-09-18 Method for continuous hydrolysis of polyurethane foam in fluidized bed and recovery of products therefrom

Country Status (5)

Country Link
JP (1) JPS5319039B2 (en)
CA (1) CA1018537A (en)
DE (1) DE2362919A1 (en)
FR (1) FR2210494B1 (en)
GB (1) GB1456252A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442387C3 (en) * 1974-09-04 1981-09-10 Bayer Ag, 5090 Leverkusen Process for the continuous hydrolytic breakdown of hydrolyzable plastic waste
EP0011662B1 (en) * 1978-11-29 1983-09-14 Ford Motor Company Limited Hydrolysis of polyurethanes
DE3033330A1 (en) 1980-09-04 1982-04-29 Bayer Ag, 5090 Leverkusen METHOD FOR THE PRODUCTION OF LIQUID MIXTURES OF COMPOUNDS CONTAINING ISOCYANATE GROUPS, AND THEIR USE AS A BUILDING COMPONENT IN THE PRODUCTION OF POLYURETHANE PLASTICS
GB2616488A (en) * 2022-09-02 2023-09-13 Sru Innovations Ltd Steam treatment of waste

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225094A (en) * 1962-06-15 1965-12-21 Du Pont Preparation of polyamines by steam hydrolysis of polyisocyanate reaction products

Also Published As

Publication number Publication date
DE2362919A1 (en) 1974-07-11
JPS5319039B2 (en) 1978-06-19
FR2210494A1 (en) 1974-07-12
FR2210494B1 (en) 1977-08-19
GB1456252A (en) 1976-11-24
JPS4989778A (en) 1974-08-27

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