NL159418B - METHOD FOR THE PROCESSING OF FLEXIBLE POLYURETHANE FOAM WASTE. - Google Patents

METHOD FOR THE PROCESSING OF FLEXIBLE POLYURETHANE FOAM WASTE.

Info

Publication number
NL159418B
NL159418B NL7504473A NL7504473A NL159418B NL 159418 B NL159418 B NL 159418B NL 7504473 A NL7504473 A NL 7504473A NL 7504473 A NL7504473 A NL 7504473A NL 159418 B NL159418 B NL 159418B
Authority
NL
Netherlands
Prior art keywords
processing
polyurethane foam
flexible polyurethane
foam waste
waste
Prior art date
Application number
NL7504473A
Other languages
Dutch (nl)
Other versions
NL7504473A (en
Original Assignee
Upjohn 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 Upjohn Co filed Critical Upjohn Co
Publication of NL7504473A publication Critical patent/NL7504473A/en
Publication of NL159418B publication Critical patent/NL159418B/en

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
    • C08J11/18—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 organic material
    • C08J11/22—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 organic material by treatment with organic oxygen-containing compounds
    • C08J11/24—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 organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
    • 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)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7504473A 1974-04-29 1975-04-15 METHOD FOR THE PROCESSING OF FLEXIBLE POLYURETHANE FOAM WASTE. NL159418B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46485674A 1974-04-29 1974-04-29

Publications (2)

Publication Number Publication Date
NL7504473A NL7504473A (en) 1975-10-31
NL159418B true NL159418B (en) 1979-02-15

Family

ID=23845529

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7504473A NL159418B (en) 1974-04-29 1975-04-15 METHOD FOR THE PROCESSING OF FLEXIBLE POLYURETHANE FOAM WASTE.

Country Status (8)

Country Link
JP (1) JPS5329359B2 (en)
CA (1) CA1042146A (en)
DE (1) DE2516863B2 (en)
ES (1) ES436853A1 (en)
FR (1) FR2268825B1 (en)
GB (1) GB1492838A (en)
IT (1) IT1035248B (en)
NL (1) NL159418B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2951617C2 (en) * 1979-12-21 1985-08-14 Wilhelm Prof. Dr.-Ing. 5100 Aachen Schütz Process and system for processing polyurethane
DE3232461A1 (en) * 1982-09-01 1984-03-01 Bayer Ag, 5090 Leverkusen METHOD FOR CONTINUOUS GLYCOLYTIC HIGH-TEMPERATURE DEGRADATION OF POLYURETHANE PLASTIC DISPENSING IN SCREW MACHINES
DE3618007A1 (en) * 1986-05-28 1987-12-03 Bayer Ag METHOD FOR PRODUCING HYDROXYPHENYLURETHANES
DE4024601C2 (en) * 1990-08-02 1997-04-03 Gunter Prof Dr Bauer Process for the preparation of polyol-containing dispersions and their use
DE4234335A1 (en) 1992-10-12 1994-04-14 Basf Schwarzheide Gmbh Process for the production of recycled polyols and their use in the production of polyurethanes
GB9223943D0 (en) * 1992-11-14 1993-01-06 Caligen Foam Ltd Re-cycling of polyurethane foam
DE4323558C2 (en) * 1993-07-14 2001-02-15 Gore & Ass Process for the isolation and recycling of textile materials from polyurethane-bonded textile laminates
DE4411864A1 (en) * 1994-04-08 1995-10-12 Basf Schwarzheide Gmbh Process for the production of hard to tough polyurethane foams with an increased proportion of open cells and reduced shrinkage
DE4433834C1 (en) 1994-09-22 1995-10-12 Daimler Benz Ag Recovering waste from synthetic diol-di:isocyanate adducts contg. non-glycolisable material,
DE4442379A1 (en) 1994-11-29 1996-05-30 Bayer Ag Process for the glycolytic degradation of polyurethane plastics
JP2011246569A (en) * 2010-05-26 2011-12-08 Inoac Corp Recyclable polyurethane foam, method of manufacturing recycled polyol, and method of manufacturing polyurethane foam using the recycled polyol
CN112029148A (en) * 2020-08-31 2020-12-04 浙江工业大学 Method for recycling polyether polyol in waste polyurethane foam by using emulsion system

Also Published As

Publication number Publication date
JPS50149606A (en) 1975-11-29
ES436853A1 (en) 1976-12-01
DE2516863A1 (en) 1975-10-30
JPS5329359B2 (en) 1978-08-19
GB1492838A (en) 1977-11-23
IT1035248B (en) 1979-10-20
DE2516863B2 (en) 1977-03-03
FR2268825A1 (en) 1975-11-21
FR2268825B1 (en) 1977-07-08
AU7984375A (en) 1976-10-07
CA1042146A (en) 1978-11-07
NL7504473A (en) 1975-10-31

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Legal Events

Date Code Title Description
SNR Assignments of patents or rights arising from examined patent applications

Owner name: THE DOW CHEMICAL COMPANY

NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: UPJOHN

V4 Lapsed because of reaching the maximum lifetime of a patent