MX9504953A - Procedimiento para la degradacion glicolitica de plasticos de poliuretano. - Google Patents

Procedimiento para la degradacion glicolitica de plasticos de poliuretano.

Info

Publication number
MX9504953A
MX9504953A MX9504953A MX9504953A MX9504953A MX 9504953 A MX9504953 A MX 9504953A MX 9504953 A MX9504953 A MX 9504953A MX 9504953 A MX9504953 A MX 9504953A MX 9504953 A MX9504953 A MX 9504953A
Authority
MX
Mexico
Prior art keywords
polyurethane plastics
glycolytic degradation
glycolytic
degradation
polyurethane plastic
Prior art date
Application number
MX9504953A
Other languages
English (en)
Inventor
Thomas Munzmay
Peter Fuhrmann
Franz Lamla
Walter Meckel
Werner Rasshofer
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of MX9504953A publication Critical patent/MX9504953A/es

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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/83—Chemically modified polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/83—Chemically modified polymers
    • C08G18/831—Chemically modified polymers by oxygen-containing compounds inclusive of carbonic acid halogenides, carboxylic acid halogenides and epoxy halides
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Se describe un procedimiento para la degradacion glicolítica de desechos plásticos de poliuretano en el que se tratan el glicol y el plástico de poliuretano, junto con 2 a 20 veces esa cantidad de glicolizado, en una bomba mezcladora y trituradora.
MX9504953A 1994-11-29 1995-11-28 Procedimiento para la degradacion glicolitica de plasticos de poliuretano. MX9504953A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19944442379 DE4442379A1 (de) 1994-11-29 1994-11-29 Verfahren zum glykolytischen Abbau von Polyurethankunststoffen

Publications (1)

Publication Number Publication Date
MX9504953A true MX9504953A (es) 1997-01-31

Family

ID=6534396

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9504953A MX9504953A (es) 1994-11-29 1995-11-28 Procedimiento para la degradacion glicolitica de plasticos de poliuretano.

Country Status (8)

Country Link
US (1) US5616623A (es)
EP (1) EP0714930B1 (es)
JP (1) JP3793595B2 (es)
KR (1) KR100381754B1 (es)
CA (1) CA2163699C (es)
DE (2) DE4442379A1 (es)
ES (1) ES2172550T3 (es)
MX (1) MX9504953A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540950A1 (de) * 1995-11-03 1997-05-07 Bayer Ag Unter Einsatz von Recycling-Polyolen hergestellte Polyurethan-Formkörper, ein Verfahren zu deren Herstellung sowie deren Verwendung
DE19653585A1 (de) * 1996-12-20 1998-06-25 Bayer Ag Colöserfreie, wäßrige, anionische Polyurethandispersionen, ein Verfahren zu ihrer Herstellung und Verwendung
DE19737184A1 (de) * 1997-08-26 1999-03-04 Basf Ag Verfahren zur Verringerung des Amingehalts von Recyclatpolyolen
US6489373B2 (en) * 1998-10-02 2002-12-03 Mitsui Takeda Chemicals Inc. Method for decomposition and recovery of polyurethane resin
DE19938349A1 (de) * 1999-08-13 2001-03-08 Fehb Gmbh Stendal Vorzerkleinerungs- und Zuführschnecke
DE60102049T2 (de) * 2000-09-28 2004-07-22 Kabushiki Kaisha Toshiba Verfahren zur Zersetzung eines hitzehärtbaren Harzes, Vorrichtung und Wärmesteuerprogramm
EP1329787B1 (en) * 2002-01-16 2019-08-28 Texas Instruments Incorporated Secure mode indicator for smart phone or PDA
PL232824B1 (pl) 2015-05-12 2019-07-31 Politechnika Gdanska Sposób glicerolizy odpadów poliuretanowych
CN105483855B (zh) * 2015-12-21 2017-12-01 长乐恒申合纤科技有限公司 一种利用氨纶预聚物废液生产氨纶丝的方法
WO2024050749A1 (zh) * 2022-09-08 2024-03-14 上纬创新育成股份有限公司 聚氨酯材料自催化定向降解的方法、其制备的多元醇以及聚氨酯材料

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1110405B (de) 1960-03-05 1961-07-06 Continental Gummi Werke Ag Verfahren zur Aufarbeitung von Polyurethanschaumstoffabfaellen
US3632530A (en) 1967-03-04 1972-01-04 Yokohama Rubber Co Ltd Process for decomposition of a polyurethane resin
US3738946A (en) 1971-08-05 1973-06-12 Upjohn Co Conversion of scrap polyurethane foam to polyol
US3708440A (en) 1972-02-14 1973-01-02 Upjohn Co Reclaiming scrap polyisocyanurate foam with an aliphatic diol and a dialkanolamine
DE2347299C3 (de) * 1973-09-20 1980-07-03 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyurethan-Polyharnstoff-Gelen
DE2414091A1 (de) 1974-03-23 1975-10-02 Bayer Ag Verfahren zur herstellung von polyhydroxylverbindungen aus abfaellen von carbodiimidgruppen aufweisenden kunststoffen
CA1042146A (en) 1974-04-29 1978-11-07 Benjamin Tucker Process for reclaiming flexible polyurethane foam
JPS5171381A (en) 1974-12-19 1976-06-21 Bridgestone Tire Co Ltd Horiuretanfuoomuno bunkaikaishuho
DE2622951B2 (de) 1976-05-21 1979-09-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von elastischen Fonnkörpern
US4162995A (en) 1976-07-01 1979-07-31 Sheratte Martin B Method and composition for reclaiming polyurethane
US4110266A (en) 1976-07-09 1978-08-29 Mcdonnell Douglas Corporation Process for converting the decomposition products of polyurethane and novel compositions thereby obtained
DE2738572C3 (de) 1977-08-26 1979-11-29 7080 Aalen Verfahren zum Herstellen polyolhaltiger Flüssigkeiten aus Polyurethanabfällen
US4159972A (en) 1977-10-17 1979-07-03 Ford Motor Company Dissolution of polyurethane foams and re-use of the products therefrom
DE2759054C2 (de) 1977-12-30 1983-10-06 Apprich, Johannes, 7080 Aalen Verfahren zur Herstellung polyolhaltiger Flüssigkeiten aus Polyurethanabfällen und ihre Verwendung
DE2902509A1 (de) 1979-01-23 1980-07-31 Apprich Johannes Verfahren zum herstellen polyolhaltiger fluessigkeiten aus polyurethan- und/ oder polyisocyanuratabfaellen
DE3232461A1 (de) * 1982-09-01 1984-03-01 Bayer Ag, 5090 Leverkusen Verfahren zum kontinuierlichen glykolytischen hochtemperatur-abbau von polyurethankunstoffabfaellen in schneckenmaschinen
DE3435014C2 (de) 1984-09-24 1986-10-09 Gunter Dr. 7080 Aalen Bauer Verfahren zur Herstellung von polyolhaltigen Flüssigkeiten durch Umsetzung von Polymerabfällen
US4742095A (en) * 1985-07-25 1988-05-03 Mobay Corporation Continuous process for the production of aqueous polyurethane-urea dispersions
DE3702495A1 (de) 1987-01-28 1988-08-11 Gunter Dr Bauer Verfahren zur herstellung polyolhaltiger fluessigkeiten und deren verwendung
DE4030639C1 (en) 1990-09-27 1992-02-20 Michael 8023 Grosshesselohe De Demuth Polyurethane resin recycling process - comprises shredding resin, swelling obtd. particles to a flowable gel, adding poly:ol, isocyanate etc.
DE4132282C2 (de) 1990-09-27 1995-02-23 Michael Demuth Verfahren zur Verwertung von Kunststoffen
DE4140967A1 (de) 1991-12-12 1993-06-17 Bayer Ag Verfahren zur herstellung von hydroxylgruppen aufweisenden verbindungen und ihre verwendung

Also Published As

Publication number Publication date
JPH08208880A (ja) 1996-08-13
KR100381754B1 (ko) 2003-10-04
EP0714930B1 (de) 2002-02-13
US5616623A (en) 1997-04-01
DE59510053D1 (de) 2002-03-21
EP0714930A3 (de) 1996-09-18
KR960017782A (ko) 1996-06-17
CA2163699C (en) 2006-03-14
CA2163699A1 (en) 1996-05-30
JP3793595B2 (ja) 2006-07-05
ES2172550T3 (es) 2002-10-01
DE4442379A1 (de) 1996-05-30
EP0714930A2 (de) 1996-06-05

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees