JPS4989778A - - Google Patents

Info

Publication number
JPS4989778A
JPS4989778A JP14041473A JP14041473A JPS4989778A JP S4989778 A JPS4989778 A JP S4989778A JP 14041473 A JP14041473 A JP 14041473A JP 14041473 A JP14041473 A JP 14041473A JP S4989778 A JPS4989778 A JP S4989778A
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.)
Granted
Application number
JP14041473A
Other languages
Japanese (ja)
Other versions
JPS5319039B2 (enrdf_load_stackoverflow
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 JPS4989778A publication Critical patent/JPS4989778A/ja
Publication of JPS5319039B2 publication Critical patent/JPS5319039B2/ja
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)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP14041473A 1972-12-18 1973-12-18 Expired JPS5319039B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS4989778A true JPS4989778A (enrdf_load_stackoverflow) 1974-08-27
JPS5319039B2 JPS5319039B2 (enrdf_load_stackoverflow) 1978-06-19

Family

ID=23226933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14041473A Expired JPS5319039B2 (enrdf_load_stackoverflow) 1972-12-18 1973-12-18

Country Status (5)

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

Families Citing this family (6)

* 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
DE2711145A1 (de) 1977-03-15 1978-09-21 Bayer Ag Verfahren zur spaltung von polyurethankunststoffen
EP0011662B1 (en) * 1978-11-29 1983-09-14 Ford Motor Company Limited Hydrolysis of polyurethanes
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
FR3080623B1 (fr) * 2018-04-27 2021-01-08 Arkema France Valorisation de resine (meth)acrylique par depolymerisation et hydrolyse
GB2616488B (en) * 2022-09-02 2024-11-06 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
GB1456252A (enrdf_load_stackoverflow) 1976-11-24
DE2362919A1 (de) 1974-07-11
CA1018537A (en) 1977-10-04
JPS5319039B2 (enrdf_load_stackoverflow) 1978-06-19
FR2210494A1 (enrdf_load_stackoverflow) 1974-07-12
FR2210494B1 (enrdf_load_stackoverflow) 1977-08-19

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