Polyurethane compositions with improved storage stability

Details Polyurethane compositions with improved storage stability Polyurethane compositions with improved storage stability

C - Chemistry, Metallurgy

08

G

402/133, 402/147

C08G 18/80 (2006.01) C08G 18/28 (2006.01)

Patent

CA 1213395

POLYURETHANE COMPOSITIONS WITH IMPROVED STORAGE STABILITY ABSTRACT OF THE DISCLOSURE The present invention is directed to a process for improving the storage stability of a composition containing a) a blocked polyisocyanate component prepared by blocking the isocyanate groups of an organic polyisocyanate with a blocking agent comprising a di-C1-C12-alkyl and/or -alkoxyalkyl malonate and b) a component comprising a compound contain- ing at least two isocyanate-reactive hydrogens, which comprises incorporating a stabilizing amount of a compound having monofunctional reactivity towards isocyanates into the composition by adding said compound to component (a), component (b) or to the mixture of components (a) and (b). The present invention is also directed to the storage stable composition produced in accordance with the above process.

454737

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