GB1455454A - Hydrolysis of polyurethane foam - Google Patents

Hydrolysis of polyurethane foam

Info

Publication number
GB1455454A
GB1455454A GB5271273A GB5271273A GB1455454A GB 1455454 A GB1455454 A GB 1455454A GB 5271273 A GB5271273 A GB 5271273A GB 5271273 A GB5271273 A GB 5271273A GB 1455454 A GB1455454 A GB 1455454A
Authority
GB
United Kingdom
Prior art keywords
polyurethane foam
reaction zone
water
hydrolysed
diamines
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
GB5271273A
Other languages
English (en)
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 Co Ltd
Ford Motor Co
Original Assignee
Ford Motor Co Ltd
Ford Motor Co
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 Co Ltd, Ford Motor Co filed Critical Ford Motor Co Ltd
Publication of GB1455454A publication Critical patent/GB1455454A/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)
  • 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)
GB5271273A 1972-12-18 1973-11-13 Hydrolysis of polyurethane foam Expired GB1455454A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1455454A true GB1455454A (en) 1976-11-10

Family

ID=23226942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5271273A Expired GB1455454A (en) 1972-12-18 1973-11-13 Hydrolysis of polyurethane foam

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281197A (en) * 1979-06-18 1981-07-28 Ford Motor Company Hydrolytic decomposition method
US4357255A (en) 1980-09-04 1982-11-02 Bayer Aktiengesellschaft Process for the preparation of liquid mixtures of compounds having isocyanate groups
WO2023275036A1 (de) * 2021-07-02 2023-01-05 Evonik Operations Gmbh Gewinnung von di- und/oder polyisocyanaten aus pu-depolymerisationsprozessen

Families Citing this family (5)

* 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
DE4323558C2 (de) * 1993-07-14 2001-02-15 Gore & Ass Verfahren zur Isolierung und Wiederverwertung von Textilmaterialien aus polyurethanverklebten Textilverbundlaminaten
WO1998034904A1 (fr) * 1997-02-05 1998-08-13 Kabushiki Kaisha Kobe Seiko Sho Appareil et procede de decomposition et de recuperation de compose isocyanate

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281197A (en) * 1979-06-18 1981-07-28 Ford Motor Company Hydrolytic decomposition method
US4357255A (en) 1980-09-04 1982-11-02 Bayer Aktiengesellschaft Process for the preparation of liquid mixtures of compounds having isocyanate groups
WO2023275036A1 (de) * 2021-07-02 2023-01-05 Evonik Operations Gmbh Gewinnung von di- und/oder polyisocyanaten aus pu-depolymerisationsprozessen

Also Published As

Publication number Publication date
JPS4990377A (sv) 1974-08-29
CA1016955A (en) 1977-09-06
DE2362921A1 (de) 1974-07-11
FR2210493A1 (sv) 1974-07-12
FR2210493B1 (sv) 1976-10-08

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee