C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/28 (2006.01) C08J 9/06 (2006.01)
Patent
CA 2061592
Mo-3568 MD-90-89-PU STABLE DISPERSION OF POLYHYDRAZODICARCONAMIDES USEFUL IN THE PREPARATION OF POLYURETHANE PRODUCTS HAVING IMPROVED LOAD-BEARING CAPACITY ABSTRACT OF THE DISCLOSURE The present invention is directed to a process for preparing a stable dispersion, the dispersion so-produced, and the process of using such dispersion in the preparation of a polyurethane foam. The dispersion is produced by reacting (a) an organic isocyanate, (b) a compound containing at least two isocyanate-reactive hydrogen atoms and having a molecular weight of from 400 to 10,000, (c) an alkanolamine, and (d) a hydrazine, a hydrazide, or a mixture thereof, in the presence of a tin compound capable of catalyzing the reaction between an isocyanate group and a hydroxy group. Mo3568
Koshute Mark A.
Radovich David A.
Tirpak Robin E.
Yeater Robert P.
de Gagne Jacqueline A.
Koshute Mark A.
Miles Inc.
Radovich David A.
Tirpak Robin E.
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