JPS5334000B2 - - Google Patents

Info

Publication number
JPS5334000B2
JPS5334000B2 JP7824172A JP7824172A JPS5334000B2 JP S5334000 B2 JPS5334000 B2 JP S5334000B2 JP 7824172 A JP7824172 A JP 7824172A JP 7824172 A JP7824172 A JP 7824172A JP S5334000 B2 JPS5334000 B2 JP S5334000B2
Authority
JP
Japan
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
JP7824172A
Other versions
JPS4828407A (ja
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 filed Critical
Publication of JPS4828407A publication Critical patent/JPS4828407A/ja
Publication of JPS5334000B2 publication Critical patent/JPS5334000B2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/54—Polycondensates of aldehydes
    • C08G18/546—Oxyalkylated polycondensates of aldehydes
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled 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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
JP7824172A 1971-08-05 1972-08-04 Expired JPS5334000B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16946871A 1971-08-05 1971-08-05

Publications (2)

Publication Number Publication Date
JPS4828407A JPS4828407A (ja) 1973-04-14
JPS5334000B2 true JPS5334000B2 (ja) 1978-09-18

Family

ID=22615833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7824172A Expired JPS5334000B2 (ja) 1971-08-05 1972-08-04

Country Status (5)

Country Link
US (1) US3738946A (ja)
JP (1) JPS5334000B2 (ja)
DE (1) DE2238109C3 (ja)
FR (1) FR2148271B1 (ja)
NL (1) NL156169B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011246569A (ja) * 2010-05-26 2011-12-08 Inoac Corp リサイクル可能なポリウレタンフォーム、再生ポリオールの製造方法及び再生ポリオールを用いるポリウレタンフォームの製造方法

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933756A (en) * 1972-08-05 1976-01-20 Bayer Aktiengesellschaft Process of preparation of synthetic resins by reacting a cross-linked isocyanate polyaddition product with low molecular weight polyisocyanate followed by reaction with an amino alkyl silane
US4013625A (en) * 1972-08-05 1977-03-22 Bayer Aktiengesellschaft Process for the linearization of polyurethanes with lactams and lactam addition compounds
US4040991A (en) * 1973-12-10 1977-08-09 Mcdonnell Douglas Corporation Polyurethane foam reconstitution
US3983087A (en) * 1974-04-29 1976-09-28 The Upjohn Company Novel process of reclaiming polyurethane foam
US4035314A (en) * 1975-06-02 1977-07-12 The Firestone Tire & Rubber Company Recovery of polyurethane prepolymer and amine salt
DE2542022C2 (de) * 1975-09-20 1982-10-14 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von aktivierten, zur Herstellung von Polyurethankunststoffen wiederverwendbaren Polyhydroxylverbindungen
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
DE3033330A1 (de) * 1980-09-04 1982-04-29 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von fluessigen gemischen von isocyanatgruppen aufweisenden verbindungen, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen
US4316992A (en) * 1981-02-23 1982-02-23 Ford Motor Company Process for polyol recovery from polyurethane foam comprising alcohol and steam hydrolysis
US4317939A (en) * 1981-02-23 1982-03-02 Ford Motor Company Catalyzed dissolution-hydrolysis of polyurethane wastes
US4336406A (en) * 1981-02-24 1982-06-22 Ford Motor Company Polyol extraction by high boiling alkanes
US4382108A (en) * 1981-12-21 1983-05-03 The Upjohn Company Novel compositions and process
DE3232461A1 (de) * 1982-09-01 1984-03-01 Bayer Ag, 5090 Leverkusen Verfahren zum kontinuierlichen glykolytischen hochtemperatur-abbau von polyurethankunstoffabfaellen in schneckenmaschinen
DE4024601C2 (de) * 1990-08-02 1997-04-03 Gunter Prof Dr Bauer Verfahren zur Herstellung polyolhaltiger Dispersionen und deren Verwendung
US5089571A (en) * 1990-12-04 1992-02-18 The Dow Chemical Company Regenerated, high molecular weight, thermoplastic resins and process for regenerating thermoplastic resins
DE4140967A1 (de) * 1991-12-12 1993-06-17 Bayer Ag Verfahren zur herstellung von hydroxylgruppen aufweisenden verbindungen und ihre verwendung
US5208379A (en) * 1992-05-14 1993-05-04 Arco Chemical Technology, L.P. Hydrolysis of polyurethanes
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
DE4323558C2 (de) * 1993-07-14 2001-02-15 Gore & Ass Verfahren zur Isolierung und Wiederverwertung von Textilmaterialien aus polyurethanverklebten Textilverbundlaminaten
US5511828A (en) * 1993-09-28 1996-04-30 Oiles Corporation Flexible joint for automobile exhaust pipe
DE4411864A1 (de) * 1994-04-08 1995-10-12 Basf Schwarzheide Gmbh Verfahren zur Herstellung von harten bis zähharten Polyurethanschaumstoffen mit erhöhtem Anteil an offenen Zellen und vermindertem Schrumpf
DE4442379A1 (de) 1994-11-29 1996-05-30 Bayer Ag Verfahren zum glykolytischen Abbau von Polyurethankunststoffen
WO1998034904A1 (fr) * 1997-02-05 1998-08-13 Kabushiki Kaisha Kobe Seiko Sho Appareil et procede de decomposition et de recuperation de compose isocyanate
DE19732378A1 (de) * 1997-02-18 1998-08-27 Kristian S Dipl Chem D Oeffner Polyurethanschaumentferner für verschiedene Untergründe
US6683119B1 (en) * 1998-04-16 2004-01-27 Epik Entwicklung Und Produktion Innovativer Kunstoffe Gmbh Method for producing polyols and polyols
CA2400499A1 (en) 2000-02-28 2001-09-07 Troys Polymers Process for chemical recycling of polyurethane-containing scrap
US20070197668A1 (en) * 2006-02-20 2007-08-23 Troy Polymers, Inc. Process for preparing polyols
CZ301686B6 (cs) * 2007-08-23 2010-05-26 Ústav makromolekulární chemie AV CR, v.v.i. Zpusob recyklace odpadních polyurethanových pen
JP5358635B2 (ja) * 2011-09-06 2013-12-04 株式会社日立製作所 ポリウレタン分解液及びポリウレタン分解液形成方法
DE102016122275B4 (de) 2016-11-18 2020-04-02 H & S Anlagentechnik Gmbh Verfahren zur Herstellung von Polyoldispersionen aus Polyurethanabfällen und deren Verwendung
DE102016122276A1 (de) 2016-11-18 2018-05-24 H & S Anlagentechnik Gmbh Recyclingpolyol
US20240043604A1 (en) 2020-11-20 2024-02-08 Huntsman International Llc Upgraded stabilized polyol composition
DE102022106914A1 (de) * 2022-03-23 2023-09-28 Performance Chemicals Handels Gmbh Verfahren zur Herstellung von Polyurethanschaumstoff-Körpern unter Zurückführung von Verschnitt in Form eines Depolymerisates
LU501979B1 (en) 2022-04-29 2023-10-30 Kemijski Inst Chemical recycling of polyurethane foams with amines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011246569A (ja) * 2010-05-26 2011-12-08 Inoac Corp リサイクル可能なポリウレタンフォーム、再生ポリオールの製造方法及び再生ポリオールを用いるポリウレタンフォームの製造方法

Also Published As

Publication number Publication date
US3738946A (en) 1973-06-12
FR2148271A1 (ja) 1973-03-11
DE2238109B2 (de) 1975-03-20
NL156169B (nl) 1978-03-15
NL7210731A (ja) 1973-02-07
FR2148271B1 (ja) 1976-08-13
DE2238109C3 (de) 1975-10-30
JPS4828407A (ja) 1973-04-14
DE2238109A1 (de) 1973-02-15

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