IT1104616B - Procedimento per scindere materie plastiche poliuretaniche - Google Patents

Procedimento per scindere materie plastiche poliuretaniche

Info

Publication number
IT1104616B
IT1104616B IT4840178A IT4840178A IT1104616B IT 1104616 B IT1104616 B IT 1104616B IT 4840178 A IT4840178 A IT 4840178A IT 4840178 A IT4840178 A IT 4840178A IT 1104616 B IT1104616 B IT 1104616B
Authority
IT
Italy
Prior art keywords
dividing
procedure
plastic materials
polyurethane plastic
polyurethane
Prior art date
Application number
IT4840178A
Other languages
English (en)
Other versions
IT7848401A0 (it
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 IT7848401A0 publication Critical patent/IT7848401A0/it
Application granted granted Critical
Publication of IT1104616B publication Critical patent/IT1104616B/it

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
    • C08J11/28—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)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT4840178A 1977-03-15 1978-03-13 Procedimento per scindere materie plastiche poliuretaniche IT1104616B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772711145 DE2711145A1 (de) 1977-03-15 1977-03-15 Verfahren zur spaltung von polyurethankunststoffen

Publications (2)

Publication Number Publication Date
IT7848401A0 IT7848401A0 (it) 1978-03-13
IT1104616B true IT1104616B (it) 1985-10-21

Family

ID=6003643

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4840178A IT1104616B (it) 1977-03-15 1978-03-13 Procedimento per scindere materie plastiche poliuretaniche

Country Status (8)

Country Link
US (1) US4160749A (it)
JP (1) JPS53113896A (it)
BE (1) BE864912A (it)
DE (1) DE2711145A1 (it)
ES (1) ES467840A1 (it)
FR (1) FR2383905A1 (it)
GB (1) GB1569731A (it)
IT (1) IT1104616B (it)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047456A (en) * 1989-04-21 1991-09-10 Kimberly-Clark Corporation Thermally reversible superabsorbent polymers
US5491210A (en) * 1989-04-21 1996-02-13 Kimberly-Clark Corporation Thermally reversible polymers
US5288760A (en) * 1992-08-31 1994-02-22 Ford Motor Company Separation and salvage of components of parts
JPH08176337A (ja) * 1994-12-27 1996-07-09 Sumitomo Bayer Urethane Kk ウレタン結合および／またはウレア結合を含む重合体の分解方法
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
DE19913431C2 (de) * 1999-03-25 2001-10-11 Inst Verbundwerkstoffe Gmbh Verfahren zur Zähmodifizierung von Duromersystemen durch Zugabe von teilvernetztem Polyurethan
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
US20050037194A1 (en) * 2003-08-15 2005-02-17 Kimberly-Clark Worldwide, Inc. Thermoplastic polymers with thermally reversible and non-reversible linkages, and articles using same
US7763341B2 (en) 2004-01-23 2010-07-27 Century-Board Usa, Llc Filled polymer composite and synthetic building material compositions
AU2005267399A1 (en) 2004-06-24 2006-02-02 Century-Board Usa, Llc Continuous forming apparatus for three-dimensional foamed products
US7794224B2 (en) 2004-09-28 2010-09-14 Woodbridge Corporation Apparatus for the continuous production of plastic composites
US20070225419A1 (en) 2006-03-24 2007-09-27 Century-Board Usa, Llc Polyurethane composite materials
WO2011005705A2 (en) * 2009-07-06 2011-01-13 Boral Material Technologies Inc. Vacuum removal of entrained gasses in extruded, foamed polyurethane
US20110086933A1 (en) * 2009-08-14 2011-04-14 Boral Material Technologies Inc. Filled polyurethane composites and methods of making same
US20110086932A1 (en) * 2009-08-14 2011-04-14 Boral Material Technologies Inc. Polyurethanes derived from lesquerella oil
US8846776B2 (en) * 2009-08-14 2014-09-30 Boral Ip Holdings Llc Filled polyurethane composites and methods of making same
US9481759B2 (en) * 2009-08-14 2016-11-01 Boral Ip Holdings Llc Polyurethanes derived from highly reactive reactants and coal ash
CA2851349C (en) 2011-10-07 2020-01-21 Russell L. Hill Inorganic polymer/organic polymer composites and methods of making same
JP5875968B2 (ja) * 2012-12-07 2016-03-02 株式会社カネコ化学 ポリウレタンフォーム減容固化剤
US9932457B2 (en) 2013-04-12 2018-04-03 Boral Ip Holdings (Australia) Pty Limited Composites formed from an absorptive filler and a polyurethane
CN104086737B (zh) * 2014-07-01 2016-06-22 中国林业科学研究院林产化学工业研究所 酚醛泡沫用阻燃增韧聚氨酯半预聚体的制备方法
WO2016018226A1 (en) 2014-07-28 2016-02-04 Crocco Guy The use of evaporative coolants to manufacture filled polyurethane composites
US9752015B2 (en) 2014-08-05 2017-09-05 Boral Ip Holdings (Australia) Pty Limited Filled polymeric composites including short length fibers
WO2016118141A1 (en) 2015-01-22 2016-07-28 Boral Ip Holdings (Australia) Pty Limited Highly filled polyurethane composites
WO2016195717A1 (en) 2015-06-05 2016-12-08 Boral Ip Holdings (Australia) Pty Limited Filled polyurethane composites with lightweight fillers
WO2017082914A1 (en) 2015-11-12 2017-05-18 Boral Ip Holdings (Australia) Pty Limited Filled polyurethane composites with size-graded fillers
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
WO2024141649A1 (en) 2022-12-30 2024-07-04 Basf Se Solvatization of linear polyurethane-materials via caprolactam/alcohole mixtures
KR20250133909A (ko) 2022-12-30 2025-09-09 바스프 에스이 재활용 방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE548992A (it) * 1955-06-27 1900-01-01
US3117940A (en) * 1960-11-14 1964-01-14 Mobay Chemical Corp Method of dissolving polyurethanes
DE2062288A1 (de) 1970-12-17 1972-07-13 Farbenfabriken Bayer Ag, 5090 Leverkusen Extrem niederviskose Addukte von Lactamen
DE2062289C2 (de) * 1970-12-17 1982-12-30 Bayer Ag, 5090 Leverkusen Verwendung von extrem niederviskosen Addukten aus Lactamen mit Wasser bzw. Oximen
DE2117576A1 (de) * 1971-04-10 1972-10-19 Bayer Diisocyanat-Polyadditionsprodukte
DE2129198C3 (de) 1971-06-12 1982-01-21 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Schaumstoffen
US3738946A (en) 1971-08-05 1973-06-12 Upjohn Co Conversion of scrap polyurethane foam to polyol
US4013625A (en) * 1972-08-05 1977-03-22 Bayer Aktiengesellschaft Process for the linearization of polyurethanes with lactams and lactam addition compounds
US4025559A (en) 1972-12-18 1977-05-24 Ford Motor Company Method for continuous hydrolysis of polyurethane foam in restricted tubular reaction zone and recovery
CA1016955A (en) 1972-12-18 1977-09-06 Ford Motor Company Of Canada Low pressure hydrolysis of polyurethane foam and recovery of products
CA1018537A (en) 1972-12-18 1977-10-04 Ford Motor Company Of Canada Method for continuous hydrolysis of polyurethane foam in fluidized bed and recovery of products therefrom
DE2325090C3 (de) 1973-05-17 1980-11-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von als kolloides Xerosol vorliegendem anorganischorganischem Polymer-Polykieselsäure-Verbundmaterial
JPS5171381A (en) * 1974-12-19 1976-06-21 Bridgestone Tire Co Ltd Horiuretanfuoomuno bunkaikaishuho
US4035314A (en) * 1975-06-02 1977-07-12 The Firestone Tire & Rubber Company Recovery of polyurethane prepolymer and amine salt

Also Published As

Publication number Publication date
GB1569731A (en) 1980-06-18
JPS53113896A (en) 1978-10-04
US4160749A (en) 1979-07-10
FR2383905B1 (it) 1983-11-18
IT7848401A0 (it) 1978-03-13
DE2711145A1 (de) 1978-09-21
ES467840A1 (es) 1978-11-01
FR2383905A1 (fr) 1978-10-13
BE864912A (fr) 1978-09-15

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