Patent (Patents)
Self-blowing isocyanate-free polyurethane foams
Detrembleur, Christophe; Grignard, Bruno; Bourguignon, Maxime
2023
 

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DETREMBLEUR C - 2023 - BREVET - WO 2023104362.pdf
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Keywords :
polyurethane; foam
Abstract :
[en] The present invention relates to a curable isocyanate-free formulation for preparing a polyurethane self-blowing foam comprising at least one multifunctional cyclic carbonate having at least two cyclic carbonate groups at the end of the chain (compound A), at least one multifunctional amine (compound B), water or/and a water source and optionally at least one catalyst (compound D), to a process for preparing said foams and to the thus obtained foams, to a process for recycling the obtained foams and to the thus recycled foams.
Research Center/Unit :
CESAM - Complex and Entangled Systems from Atoms to Materials - ULiège
CERM - Center for Education and Research on Macromolecules - ULiège
Disciplines :
Materials science & engineering
Chemistry
Inventor :
Detrembleur, Christophe ;  University of Liège [ULiège] - Complex and Entangled Systems from Atoms to Materials [CESAM] - Research Unit, Center for Education and Research on Macromolecules [CERM] - Belgium
Grignard, Bruno ;  University of Liège [ULiège] - Complex and Entangled Systems from Atoms to Materials [CESAM] - Research Unit, Center for Education and Research on Macromolecules [CERM] - Belgium
Bourguignon, Maxime ;  University of Liège [ULiège] - Complex and Entangled Systems from Atoms to Materials [CESAM] - Research Unit, Center for Education and Research on Macromolecules [CERM] - Belgium
Language :
English
Title (54) :
Self-blowing isocyanate-free polyurethane foams
Publication date (43-45) :
15 June 2023
Filing date (22) :
09 September 2022
Patent/publication number (10-11) :
WO 2023104362
Patent status (13) :
A
Priority number (30) :
EP21213870A·2021-12-10
International classification (IPC) (51) :
C08G18/02
C08G71/04
Applicant (71) :
Université de Liège
Publication organism (19) :
WIPO
Commentary :
Patent Family : EP4194481
Available on ORBi :
since 20 November 2023

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