EP4720178A1 - Scherverfahren zur verbesserung der phasenstabilität von recyclatpolyoldispersionen - Google Patents

Scherverfahren zur verbesserung der phasenstabilität von recyclatpolyoldispersionen

Info

Publication number
EP4720178A1
EP4720178A1 EP23847989.3A EP23847989A EP4720178A1 EP 4720178 A1 EP4720178 A1 EP 4720178A1 EP 23847989 A EP23847989 A EP 23847989A EP 4720178 A1 EP4720178 A1 EP 4720178A1
Authority
EP
European Patent Office
Prior art keywords
recyclate
shearing
starting
polyol dispersion
recyclate polyol
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.)
Pending
Application number
EP23847989.3A
Other languages
English (en)
French (fr)
Inventor
Craig F. GORIN
Daniel L. Dermody
Thomas L. Tomczak
En WANG
Kaoru Aou
Justin Walker
Hans Kramer
Sven CLAUSSENS
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 Global Technologies LLC
Dow Silicones Corp
Original Assignee
Dow Global Technologies LLC
Dow Silicones Corp
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 Global Technologies LLC, Dow Silicones Corp filed Critical Dow Global Technologies LLC
Publication of EP4720178A1 publication Critical patent/EP4720178A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C08G18/48—Polyethers
    • 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
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0016—Foam properties semi-rigid
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0025—Foam properties rigid
    • 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
    • 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

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)
  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)
EP23847989.3A 2023-05-31 2023-12-18 Scherverfahren zur verbesserung der phasenstabilität von recyclatpolyoldispersionen Pending EP4720178A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363505073P 2023-05-31 2023-05-31
PCT/US2023/084604 WO2024248887A1 (en) 2023-05-31 2023-12-18 Shearing process for improving phase stability of recyclate polyol dispersions

Publications (1)

Publication Number Publication Date
EP4720178A1 true EP4720178A1 (de) 2026-04-08

Family

ID=89768445

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23847989.3A Pending EP4720178A1 (de) 2023-05-31 2023-12-18 Scherverfahren zur verbesserung der phasenstabilität von recyclatpolyoldispersionen

Country Status (4)

Country Link
EP (1) EP4720178A1 (de)
CN (1) CN121311532A (de)
MX (1) MX2025014207A (de)
WO (1) WO2024248887A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120574476B (zh) * 2025-07-15 2025-11-07 湖南云傲新材料有限公司 一种含dpu废料的聚氨酯塑胶跑道复合材料及其制备方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL207312A (de) 1955-06-27 1900-01-01
US3109824A (en) 1960-11-14 1963-11-05 Mobay Chemical Corp Method of dissolving polyurethanes and polyureas using tall oil
US3404103A (en) 1965-06-10 1968-10-01 Bridgestone Tire Co Ltd Method of decomposing urethane polymer
US3632707A (en) 1969-09-19 1972-01-04 Jefferson Chem Co Inc Molded flexible polyurethane foam
DE2951617C2 (de) * 1979-12-21 1985-08-14 Wilhelm Prof. Dr.-Ing. 5100 Aachen Schütz Verfahren und Anlage zur Aufbereitung von Polyurethan
US4350778A (en) 1981-05-29 1982-09-21 Texaco Inc. Method for making RIM polyurethane elastomers using as the catalyst system a hydroxyalkylamine, dibutyltin dilaurate and an alkyltin mercaptide
DE3819940A1 (de) 1988-06-11 1989-12-14 Bayer Ag Verfahren zur herstellung von polyurethan-weichblockschaumstoffen
US5157056A (en) 1991-07-17 1992-10-20 Arco Chemical Technology, L.P. High resiliency polyurethane foams with improved static fatigue properties
DK0647178T3 (da) 1992-06-01 1997-08-25 Prefoam Ag Indretning til kontinuerlig fremstilling af en polyurethanskumblokstamme
DE4234335A1 (de) 1992-10-12 1994-04-14 Basf Schwarzheide Gmbh Verfahren zur Herstellung von Recyclatpolyolen und deren Verwendung bei der Herstellung von Polyurethanen
US5763692A (en) 1996-10-28 1998-06-09 Basf Corporation Process for the preparation of recyclate polyols having a low amine content
US6005016A (en) 1998-10-06 1999-12-21 Bayer Corporation Rigid polyurethane foam based on polyethers of TDA
DE10239423A1 (de) 2002-08-28 2004-03-11 Degussa Ag Kieselsäure
WO2005022032A1 (ja) 2003-08-28 2005-03-10 Mitsubishi Chemical Corporation 発光装置及び蛍光体
ES2668096T3 (es) 2010-12-28 2018-05-16 Kirin Holdings Kabushiki Kaisha Uso de bacterias de Lactococcus en el tratamiento o la prevención de infecciones virales
DE102016122275B4 (de) 2016-11-18 2020-04-02 H & S Anlagentechnik Gmbh Verfahren zur Herstellung von Polyoldispersionen aus Polyurethanabfällen und deren Verwendung
CA3051081A1 (en) 2018-08-03 2020-02-03 Andrew M. VIVIAN Method to increase recycled content into polyurethane foam
US20230383083A1 (en) * 2020-10-01 2023-11-30 Cabot Corporation Flexible Polyurethane Foam and Formulation Thereof
MX2024005306A (es) * 2021-11-03 2024-05-17 Evonik Operations Gmbh Nuevo metodo de reciclado de poliuretano.

Also Published As

Publication number Publication date
WO2024248887A1 (en) 2024-12-05
CN121311532A (zh) 2026-01-09
MX2025014207A (es) 2026-01-07

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