GB1551274A - Process for reclaiming polyurethane waste - Google Patents

Process for reclaiming polyurethane waste

Info

Publication number
GB1551274A
GB1551274A GB1816476A GB1816476A GB1551274A GB 1551274 A GB1551274 A GB 1551274A GB 1816476 A GB1816476 A GB 1816476A GB 1816476 A GB1816476 A GB 1816476A GB 1551274 A GB1551274 A GB 1551274A
Authority
GB
United Kingdom
Prior art keywords
polyurethane waste
reclaiming
reclaiming polyurethane
waste
polyurethane
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
GB1816476A
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.)
SCHUHTECH FORSCH
Original Assignee
SCHUHTECH FORSCH
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
Priority claimed from DD18582675A external-priority patent/DD119054A1/xx
Priority claimed from DD18792975A external-priority patent/DD125889A2/xx
Application filed by SCHUHTECH FORSCH filed Critical SCHUHTECH FORSCH
Publication of GB1551274A publication Critical patent/GB1551274A/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
    • C08J11/12—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 dry-heat treatment only
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
GB1816476A 1975-05-05 1976-05-04 Process for reclaiming polyurethane waste Expired GB1551274A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD18582675A DD119054A1 (en) 1975-05-05 1975-05-05
DD18792975A DD125889A2 (en) 1975-08-19 1975-08-19

Publications (1)

Publication Number Publication Date
GB1551274A true GB1551274A (en) 1979-08-30

Family

ID=25747548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1816476A Expired GB1551274A (en) 1975-05-05 1976-05-04 Process for reclaiming polyurethane waste

Country Status (6)

Country Link
CS (1) CS208368B1 (en)
DE (1) DE2615840A1 (en)
FR (1) FR2310383A1 (en)
GB (1) GB1551274A (en)
HU (1) HU176966B (en)
SU (1) SU983129A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607735A1 (en) * 1993-01-18 1994-07-27 Microlite, S.L. A process for the recovery of polyurethane
CN1043863C (en) * 1994-02-05 1999-06-30 车国承 Method for producing paint film-water resistant polyurethane rubber sheet from polyurethane foam
WO2010066211A1 (en) * 2008-12-11 2010-06-17 Vysoke Uceni Technicke V Brne Method of preparation of thermodegradable polyurethane foams

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3844664C2 (en) * 1987-10-17 1991-04-25 Hofmann, Simone, 7030 Boeblingen, De Articles, esp. panels, prepd. from hard polyurethane foam
DE4102999A1 (en) * 1991-02-01 1992-08-13 Bayer Ag METHOD FOR THE PRODUCTION OF THERMOPLASTICALLY PROCESSABLE PLASTIC MIXTURES AND THE USE THEREOF FOR THE PRODUCTION OF MOLDED BODIES
DE4309139A1 (en) * 1993-03-22 1994-09-29 Bayer Ag Process for the production of powders and other small and ultra small particles
RU2598438C1 (en) * 2015-08-03 2016-09-27 Акционерное общество "НПО "Пластполимер" Method of purifying recirculating flow of ethylene with vinyl acetate from low-molecular copolymer, oils and other organic impurities

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048695B (en) * 1959-01-15 Metzeier Gummiwerke A G München Process for the production of liquid cleavage products from solid ver networked nitrogen-containing polyaddition products and device for carrying out the process
DE959409C (en) * 1955-06-26 1957-03-07 Continental Gummi Werke Ag Process for the production of molded bodies from a thermoplastic, polyurethane-containing plastic compound
DE1089153B (en) * 1957-02-15 1960-09-15 Pleiger Maschf Paul Process for the preparation of elastic, crosslinked plastics based on polyester isocyanate for reuse

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607735A1 (en) * 1993-01-18 1994-07-27 Microlite, S.L. A process for the recovery of polyurethane
CN1043863C (en) * 1994-02-05 1999-06-30 车国承 Method for producing paint film-water resistant polyurethane rubber sheet from polyurethane foam
WO2010066211A1 (en) * 2008-12-11 2010-06-17 Vysoke Uceni Technicke V Brne Method of preparation of thermodegradable polyurethane foams
CZ303835B6 (en) * 2008-12-11 2013-05-22 Vysoké ucení technické v Brne Process for preparing thermally degradable polyurethane foams

Also Published As

Publication number Publication date
FR2310383A1 (en) 1976-12-03
CS208368B1 (en) 1981-09-15
HU176966B (en) 1981-06-28
DE2615840A1 (en) 1976-11-18
SU983129A1 (en) 1982-12-23
FR2310383B1 (en) 1981-09-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee