William Joseph Touhey - Wilmington DE Harry Walter Wolfe - Newark DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07C119042
US Classification:
260453AB
Abstract:
Biuret polyisocyanate is prepared by reacting a hindered polyamine and a polyisocyanate at elevated temperatures, in the presence of an excess of polyisocyanate. The resulting product may be utilized to prepare an outstanding foam composition.