Self-blowing isocyanate-free polyurethane foams
AssigneeUniversite De Liege
InventorsChristophe Detrembleur, Jean-Michel Thomassin, Bruno Grignard, Florent Monie, Christine Jerome
Life of this patent
Estimating the term…
Abstract
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), at least one multifunctional thiol (compound C) and at least one catalyst (compound D), to a process for preparing said foams, to the thus obtained foams and the recycling of said foams.
Claims25
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), at least one multifunctional thiol (compound C) and at least one catalyst (compound D).
Dependencies are inferred from the claim text.