NL89565C - - Google Patents

Info

Publication number
NL89565C
NL89565C NL89565DA NL89565C NL 89565 C NL89565 C NL 89565C NL 89565D A NL89565D A NL 89565DA NL 89565 C NL89565 C NL 89565C
Authority
NL
Netherlands
Application number
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.)
Publication date
Application granted granted Critical
Publication of NL89565C publication Critical patent/NL89565C/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00Recovery or working-up of waste materials
    • C08J11/04Recovery or working-up of waste materials of polymers
    • C08J11/10Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18Recovery 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics 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)
NL89565D 1955-06-27 NL89565C (oth)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51839455 US2937151A (en) 1955-06-27 1955-06-27 Method for reclaiming cured cellular polyurethanes

Publications (1)

Publication Number Publication Date
NL89565C true NL89565C (oth) 1900-01-01

Family

ID=24063748

Family Applications (2)

Application Number Title Priority Date Filing Date
NL89565D NL89565C (oth) 1955-06-27
NL207312D NL207312A (oth) 1955-06-27

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL207312D NL207312A (oth) 1955-06-27

Country Status (7)

Country Link
US (1) US2937151A (oth)
BE (1) BE548992A (oth)
ES (1) ES226651A1 (oth)
FR (1) FR1140897A (oth)
GB (1) GB797228A (oth)
LU (1) LU34069A1 (oth)
NL (2) NL207312A (oth)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123577A (en) * 1964-03-03 Method of liquefying cellular
DE962649C (de) * 1955-03-17 1957-04-25 Rudolph Koepp & Co Chem Fab A Verfahren zur Herstellung von Schaumstoffen unter Verwendung von Polyurethanschaumabfaellen
US3192185A (en) * 1959-05-19 1965-06-29 Eagle Picher Co Homogenized crosslinked polyurethanes
DE1150802B (de) * 1959-07-31 1963-06-27 Metzeler Gummiwerke Ag Verfahren zur Herstellung von zu Polyurethanschaumstoffen verarbeitbaren Abbauprodukten von Isocyanat-Polyaddukten
US3036878A (en) * 1959-09-25 1962-05-29 Globe Mfg Company Polyurethanes
DE1110405B (de) * 1960-03-05 1961-07-06 Continental Gummi Werke Ag Verfahren zur Aufarbeitung von Polyurethanschaumstoffabfaellen
US3117940A (en) * 1960-11-14 1964-01-14 Mobay Chemical Corp Method of dissolving polyurethanes
US3109824A (en) * 1960-11-14 1963-11-05 Mobay Chemical Corp Method of dissolving polyurethanes and polyureas using tall oil
GB1053131A (oth) * 1963-02-11
US3300417A (en) * 1963-07-02 1967-01-24 Mobay Chemical Corp Polyurethane plastics
DE1229720B (de) * 1964-12-30 1966-12-01 Continental Gummi Werke Ag Verfahren zum Regenerieren von Abfaellen vernetzter Polyurethanelastomerer
US3404103A (en) * 1965-06-10 1968-10-01 Bridgestone Tire Co Ltd Method of decomposing urethane polymer
US3326861A (en) * 1965-10-21 1967-06-20 Mobay Chemical Corp Shaping crosslinked polyurethanes by particulation and addition of an organic polyisocyanate
US3935132A (en) * 1974-04-15 1976-01-27 Union Carbide Corporation Thermoplastic urethane polymer filled with cross-linked urethane polymer
GB1520296A (en) * 1974-09-14 1978-08-02 Dai Ichi Kogyo Seiyaku Co Ltd Process for the docomposition of polyurethane resin
DE2542022C2 (de) * 1975-09-20 1982-10-14 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von aktivierten, zur Herstellung von Polyurethankunststoffen wiederverwendbaren Polyhydroxylverbindungen
US4143092A (en) * 1976-01-26 1979-03-06 Samuel Bingham Company Polyurethane-derived plasticizer for polyacrylonitrile printing rolls
US4051095A (en) * 1976-01-26 1977-09-27 Samuel Bingham Co. Hydrolyzed polyurethane plasticizer
US4107151A (en) * 1976-10-28 1978-08-15 Ihara Chemical Company Co., Ltd. Process for producing urethane elastomer
DE2711145A1 (de) * 1977-03-15 1978-09-21 Bayer Ag Verfahren zur spaltung von polyurethankunststoffen
US4159972A (en) * 1977-10-17 1979-07-03 Ford Motor Company Dissolution of polyurethane foams and re-use of the products therefrom
US4223068A (en) * 1978-09-27 1980-09-16 Freeman Chemical Corporation Rigid polyurethane foam containing polyester residue digestion product and building panel made therefrom
DE2951617C2 (de) * 1979-12-21 1985-08-14 Wilhelm Prof. Dr.-Ing. 5100 Aachen Schütz Verfahren und Anlage zur Aufbereitung von Polyurethan
US4539341A (en) * 1984-02-22 1985-09-03 Jim Walter Resources, Inc. Digestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefrom
US4873268A (en) * 1984-02-22 1989-10-10 Sloss Industries Corporation Digestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefrom
US5288929A (en) * 1989-08-21 1994-02-22 L&E Holding Aps Method for removing, condensing and collecting propellants from foam materials
US5648431A (en) * 1990-09-27 1997-07-15 Michael Demuth Process for the utilization of plastics
DK0550563T3 (da) * 1990-09-27 1996-12-30 Michael Demuth Fremgangsmåde til genanvendelse af kunststoffer
US5089571A (en) * 1990-12-04 1992-02-18 The Dow Chemical Company Regenerated, high molecular weight, thermoplastic resins and process for regenerating thermoplastic resins
US5274004A (en) * 1992-06-15 1993-12-28 The Dow Chemical Company Process for conversion of polyurethane polymer to polyol and fresh polyurethane polymer therefrom
US5300530A (en) * 1992-12-11 1994-04-05 Air Products And Chemicals, Inc. Process for modifying the glycolysis reaction product of polyurethane scrap
US5859167A (en) * 1993-07-06 1999-01-12 Arco Chemical Technology, L.P. Cured polyester plastic compositions derived from recycled polyurethanes
GB9320874D0 (en) * 1993-10-11 1993-12-01 Ici Plc Recycling of flexible foam
FR2720071B1 (fr) * 1994-05-20 1996-10-25 Rhone Poulenc Chimie Procédé de préparation de compositions obtenues à partir de mousses de polyuréthannes recyclées, compositions résultantes et utilisation de celles-ci.
NL9401907A (nl) * 1994-11-15 1996-06-03 Hevea B V Werkwijze voor het verwerken en bereiden van microcellulair, elastomeer polyurethaan, alsmede produkt, vervaardigd met toepassing van microcellulair, elastomeer polyurethaan.
KR100536858B1 (ko) * 1997-02-05 2005-12-14 가부시키가이샤 고베 세이코쇼 이소시아네이트 화합물의 분해회수 방법
DE69909698D1 (de) * 1998-10-02 2003-08-28 Mitsui Takeda Chemicals Inc Verfahren zur Zersetzung und Rückgewinnung eines Polyurethanharzes
AU2001243354A1 (en) 2000-02-28 2001-09-12 Troy Polymers Process for chemical recycling of polyurethane-containing scrap
JP2004168956A (ja) * 2002-11-22 2004-06-17 Toshiba Corp ウレタン樹脂の処理方法、ウレタン樹脂分解生成物、再生樹脂の製造方法、及び再生樹脂
US20070197668A1 (en) * 2006-02-20 2007-08-23 Troy Polymers, Inc. Process for preparing polyols
CN120265672A (zh) 2022-12-22 2025-07-04 陶氏环球技术有限责任公司 具有改善的相稳定性的可回收多元醇分散体
CN121311532A (zh) 2023-05-31 2026-01-09 美国陶氏有机硅公司 用于改善可回收多元醇分散体的相稳定性的剪切方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861926C (de) * 1946-05-02 1953-01-08 Rhodiaceta Verfahren zur Behandlung von Abfaellen der Polyurethane
US2741800A (en) * 1952-09-11 1956-04-17 Goodrich Co B F Rapid curing process for cast polyurethane rubbers
DE831772C (de) * 1952-11-18 1952-02-18 Bayer Ag Verfahren zur Herstellung hochmolekularer vernetzter Kunststoffe

Also Published As

Publication number Publication date
US2937151A (en) 1960-05-17
FR1140897A (fr) 1957-08-20
BE548992A (oth) 1900-01-01
GB797228A (en) 1958-06-25
NL207312A (oth) 1900-01-01
LU34069A1 (oth)
ES226651A1 (es) 1956-04-01

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