PL4217416T3 - Sposób odzyskiwania surowców z produktów poliuretanowych - Google Patents

Sposób odzyskiwania surowców z produktów poliuretanowych

Info

Publication number
PL4217416T3
PL4217416T3 PL21778139.2T PL21778139T PL4217416T3 PL 4217416 T3 PL4217416 T3 PL 4217416T3 PL 21778139 T PL21778139 T PL 21778139T PL 4217416 T3 PL4217416 T3 PL 4217416T3
Authority
PL
Poland
Prior art keywords
recovery
raw materials
polyurethane products
polyurethane
products
Prior art date
Application number
PL21778139.2T
Other languages
English (en)
Inventor
Friedhelm Steffens
Sebastian Pohl
Shabnam MAJIDI SALEHI
Jonas KRAUSE
Original Assignee
Covestro Deutschland 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 Covestro Deutschland Ag filed Critical Covestro Deutschland Ag
Publication of PL4217416T3 publication Critical patent/PL4217416T3/pl

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
    • 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
    • C08G18/82—Post-polymerisation treatment
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
PL21778139.2T 2020-09-23 2021-09-21 Sposób odzyskiwania surowców z produktów poliuretanowych PL4217416T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20197639 2020-09-23
PCT/EP2021/075916 WO2022063764A1 (de) 2020-09-23 2021-09-21 Verfahren zur wiedergewinnung von rohstoffen aus polyurethanprodukten

Publications (1)

Publication Number Publication Date
PL4217416T3 true PL4217416T3 (pl) 2025-09-01

Family

ID=72615687

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21778139.2T PL4217416T3 (pl) 2020-09-23 2021-09-21 Sposób odzyskiwania surowców z produktów poliuretanowych

Country Status (6)

Country Link
US (1) US20230357532A1 (pl)
EP (1) EP4217416B1 (pl)
CN (1) CN116348515A (pl)
HU (1) HUE071690T2 (pl)
PL (1) PL4217416T3 (pl)
WO (1) WO2022063764A1 (pl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119365440A (zh) * 2022-06-14 2025-01-24 巴斯夫欧洲公司 用于从聚氨酯材料中回收原料的方法
EP4403589B1 (en) 2023-01-19 2026-04-15 Basf Se A process for preparing at least one polyisocyanate from solid material w
EP4665710A1 (de) 2023-02-14 2025-12-24 Covestro Deutschland AG Verfahren zur spaltung von urethanen
CN120641394A (zh) 2023-02-14 2025-09-12 科思创德国股份有限公司 (聚)氨酯的裂解方法
WO2024170429A1 (de) 2023-02-17 2024-08-22 Evonik Operations Gmbh Stabilisatoren für polyurethanschaumstoffe enthaltend recycling-polyol
WO2025016920A1 (en) 2023-07-14 2025-01-23 Basf Se Process for autocatalytic hydroglycolytic or hydrolytic cleavage of waste streams containing polyurethane
WO2025082815A1 (de) 2023-10-19 2025-04-24 Evonik Operations Gmbh Stabilisatoren für polyurethanschaumstoffe
EP4606832A1 (de) 2024-02-22 2025-08-27 Evonik Operations GmbH Stabilisatoren für polyurethanschaumstoffe enthaltend recycling-polyol
WO2025202163A1 (de) 2024-03-28 2025-10-02 Covestro Deutschland Ag Verfahren und anlage zur gewinnung von anilin
WO2025219539A1 (en) * 2024-04-19 2025-10-23 Basf Se Process for recovering toluene diamine from a toluene diisocyanate comprising material
WO2025223981A1 (de) 2024-04-25 2025-10-30 Covestro Deutschland Ag Verfahren zur gewinnung von anilin durch thermische spaltung von urethanen oder aminen
EP4711408A1 (de) * 2024-09-16 2026-03-18 Covestro Deutschland AG Verfahren zur aufarbeitung einer rohprodukt-fraktion aus einem wiederverwertungsprozess eines polyurethanprodukts
CN119978286B (zh) * 2025-04-17 2025-07-15 山东一诺威聚氨酯股份有限公司 低溶胀率亲水性聚氨酯海绵组合料及其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3607665A1 (de) 1986-03-08 1987-09-10 Bayer Ag Verfahren zur aufarbeitung waessriger aminloesungen
US6359177B1 (en) 2000-12-15 2002-03-19 Bayer Corporation Process for separating mixtures of materials having different boiling points
DE102005032430A1 (de) 2005-07-12 2007-01-25 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiamin

Also Published As

Publication number Publication date
HUE071690T2 (hu) 2025-09-28
EP4217416B1 (de) 2025-04-09
WO2022063764A1 (de) 2022-03-31
EP4217416C0 (de) 2025-04-09
US20230357532A1 (en) 2023-11-09
CN116348515A (zh) 2023-06-27
EP4217416A1 (de) 2023-08-02

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