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N,N'-(1,6-Hexanediyl)bisurea oligomerizes thermally in the melt (> 190°C) to urea-terminated poly(1,6- hexamethyleneurea) with the volatilization of ammonia and isocyanic acid. At higher temperatures (225-250°C) in the liquid phase, the trimerization of isocyanic acid to cyanuric acid also occurs.

Посилання на статтю:

Thermal oligomerization of N, N'- (1,6- hexa ned iyl ) bisu rea / Robert F. Harris* and Jason E. Kinney // Polymer. – 1994. – Vol 35. – P. 3766-3768.

Thermal oligomerization of N, N'- (1,6- hexa ned iyl ) bisu rea - Завантажити.