DE69327844D1 - Verfahren zur umwandlung von polyurethan-polymer in polyol und daraus hergestelltes neues polyurethan-polymer - Google Patents

Verfahren zur umwandlung von polyurethan-polymer in polyol und daraus hergestelltes neues polyurethan-polymer

Info

Publication number
DE69327844D1
DE69327844D1 DE69327844T DE69327844T DE69327844D1 DE 69327844 D1 DE69327844 D1 DE 69327844D1 DE 69327844 T DE69327844 T DE 69327844T DE 69327844 T DE69327844 T DE 69327844T DE 69327844 D1 DE69327844 D1 DE 69327844D1
Authority
DE
Germany
Prior art keywords
polyurethane polymer
liquid mixture
polyol
converting
new
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 - Lifetime
Application number
DE69327844T
Other languages
English (en)
Other versions
DE69327844T2 (de
Inventor
Der Wal Rudolf Van
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DE69327844D1 publication Critical patent/DE69327844D1/de
Publication of DE69327844T2 publication Critical patent/DE69327844T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08J11/18—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
    • 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
    • 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
    • C08J11/28—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 compounds containing nitrogen, sulfur or phosphorus
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyethers (AREA)
  • Polyesters Or Polycarbonates (AREA)
DE1993627844 1992-06-15 1993-06-14 Verfahren zur umwandlung von polyurethan-polymer in polyol und daraus hergestelltes neues polyurethan-polymer Expired - Lifetime DE69327844T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/898,870 US5274004A (en) 1992-06-15 1992-06-15 Process for conversion of polyurethane polymer to polyol and fresh polyurethane polymer therefrom
PCT/US1993/005688 WO1993025610A1 (en) 1992-06-15 1993-06-14 Process for conversion of polyurethane polymer to polyol ahd fresh polyurethane polymer therefrom

Publications (2)

Publication Number Publication Date
DE69327844D1 true DE69327844D1 (de) 2000-03-16
DE69327844T2 DE69327844T2 (de) 2000-05-25

Family

ID=25410152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993627844 Expired - Lifetime DE69327844T2 (de) 1992-06-15 1993-06-14 Verfahren zur umwandlung von polyurethan-polymer in polyol und daraus hergestelltes neues polyurethan-polymer

Country Status (10)

Country Link
US (1) US5274004A (de)
EP (2) EP0952178A1 (de)
JP (1) JP3353892B2 (de)
KR (1) KR950701950A (de)
AT (1) ATE189689T1 (de)
AU (1) AU668977B2 (de)
CA (1) CA2138160C (de)
DE (1) DE69327844T2 (de)
ES (1) ES2141768T3 (de)
WO (1) WO1993025610A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4024601C2 (de) * 1990-08-02 1997-04-03 Gunter Prof Dr Bauer Verfahren zur Herstellung polyolhaltiger Dispersionen und deren Verwendung
US5462971A (en) * 1994-02-16 1995-10-31 Arco Chemical Technology, L.P. Process for treating polyether polyols
DE4433834C1 (de) * 1994-09-22 1995-10-12 Daimler Benz Ag Verfahren zur Rückgewinnung von Sekundärpolyolen aus mit nichtglykolysierbaren Stoffen vermischten Polyaddukten von Diolen und Diisocyanaten
DE4445890A1 (de) * 1994-12-22 1996-06-27 Basf Schwarzheide Gmbh Verfahren zur Herstellung von Recyclatpolyolen
WO2001064778A1 (en) 2000-02-28 2001-09-07 Troy Polymers Process for chemical recycling of polyurethane-containing scrap
KR20020079299A (ko) * 2001-04-12 2002-10-19 황성규 폐우레탄의 초음파를 이용한 해중합
CN112029148A (zh) * 2020-08-31 2020-12-04 浙江工业大学 一种使用乳液体系回收废弃聚氨酯泡沫中聚醚多元醇的方法
EP4363472A1 (de) * 2021-07-02 2024-05-08 Evonik Operations GmbH Herstellung von pu-schaumstoffen unter einsatz von recycling-polyolen
LU501979B1 (en) 2022-04-29 2023-10-30 Kemijski Inst Chemical recycling of polyurethane foams with amines

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL89565C (de) * 1955-06-27 1900-01-01
US3117940A (en) * 1960-11-14 1964-01-14 Mobay Chemical Corp Method of dissolving polyurethanes
US3300417A (en) * 1963-07-02 1967-01-24 Mobay Chemical Corp Polyurethane plastics
US3404103A (en) * 1965-06-10 1968-10-01 Bridgestone Tire Co Ltd Method of decomposing urethane polymer
US3441616A (en) * 1966-11-07 1969-04-29 Wyandotte Chemicals Corp Process for recovery of polyether polyols from polyurethane reaction products
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
US4039568A (en) * 1974-09-14 1977-08-02 Dai-Ichi Kogyo Seiyaku Co., Ltd. Process for decomposition of polyurethane foam
JPS5340236B2 (de) * 1974-12-28 1978-10-26
US4110266A (en) * 1976-07-09 1978-08-29 Mcdonnell Douglas Corporation Process for converting the decomposition products of polyurethane and novel compositions thereby obtained
JPS5478798A (en) * 1977-12-05 1979-06-23 Asahi Denka Kogyo Kk Decomposition of polyurethane resin
JPS58124504A (ja) * 1982-01-19 1983-07-25 Nippon Niyuukazai Kk 油水分離剤

Also Published As

Publication number Publication date
WO1993025610A1 (en) 1993-12-23
ES2141768T3 (es) 2000-04-01
KR950701950A (ko) 1995-05-17
CA2138160C (en) 2005-03-15
EP0952178A1 (de) 1999-10-27
JPH07508051A (ja) 1995-09-07
DE69327844T2 (de) 2000-05-25
AU668977B2 (en) 1996-05-23
ATE189689T1 (de) 2000-02-15
EP0648246B1 (de) 2000-02-09
JP3353892B2 (ja) 2002-12-03
EP0648246A1 (de) 1995-04-19
CA2138160A1 (en) 1993-12-23
US5274004A (en) 1993-12-28
AU4536393A (en) 1994-01-04

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