JPS4990377A - - Google Patents

Info

Publication number
JPS4990377A
JPS4990377A JP14041673A JP14041673A JPS4990377A JP S4990377 A JPS4990377 A JP S4990377A JP 14041673 A JP14041673 A JP 14041673A JP 14041673 A JP14041673 A JP 14041673A JP S4990377 A JPS4990377 A JP S4990377A
Authority
JP
Japan
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.)
Pending
Application number
JP14041673A
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 filed Critical
Publication of JPS4990377A publication Critical patent/JPS4990377A/ja
Pending 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)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
JP14041673A 1972-12-18 1973-12-18 Pending JPS4990377A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31597972A 1972-12-18 1972-12-18

Publications (1)

Publication Number Publication Date
JPS4990377A true JPS4990377A (ja) 1974-08-29

Family

ID=23226942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14041673A Pending JPS4990377A (ja) 1972-12-18 1973-12-18

Country Status (5)

Country Link
JP (1) JPS4990377A (ja)
CA (1) CA1016955A (ja)
DE (1) DE2362921A1 (ja)
FR (1) FR2210493B1 (ja)
GB (1) GB1455454A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998034904A1 (fr) * 1997-02-05 1998-08-13 Kabushiki Kaisha Kobe Seiko Sho Appareil et procede de decomposition et de recuperation de compose isocyanate

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442387C3 (de) * 1974-09-04 1981-09-10 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen hydrolytischen Aufspaltung von hydrolysierbaren Kunststoffabfällen
GB1602676A (en) * 1977-07-18 1981-11-11 Ford Motor Co Hydrolysis of polyurethane foams
GB1601787A (en) * 1977-08-22 1981-11-04 Ford Motor Co Hydrolytic decomposition method and apparatus
US4281197A (en) * 1979-06-18 1981-07-28 Ford Motor Company Hydrolytic decomposition method
DE3033330A1 (de) 1980-09-04 1982-04-29 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von fluessigen gemischen von isocyanatgruppen aufweisenden verbindungen, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen
DE4323558C2 (de) * 1993-07-14 2001-02-15 Gore & Ass Verfahren zur Isolierung und Wiederverwertung von Textilmaterialien aus polyurethanverklebten Textilverbundlaminaten
US20240294724A1 (en) * 2021-07-02 2024-09-05 Evonik Operations Gmbh Recovering di- and/or polyisocyanates from pu-depolymerisation processes

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998034904A1 (fr) * 1997-02-05 1998-08-13 Kabushiki Kaisha Kobe Seiko Sho Appareil et procede de decomposition et de recuperation de compose isocyanate
US6630517B2 (en) 1997-02-05 2003-10-07 Kabushiki Kaisha Kobe Seiko Sho Process for hydrolyzing and recycling a polyurethane

Also Published As

Publication number Publication date
FR2210493B1 (ja) 1976-10-08
CA1016955A (en) 1977-09-06
GB1455454A (en) 1976-11-10
DE2362921A1 (de) 1974-07-11
FR2210493A1 (ja) 1974-07-12

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