Melamine and Guanamines
Published Online: 15 JUL 2006
Copyright © 2002 by Wiley-VCH Verlag GmbH & Co. KGaA
Ullmann's Encyclopedia of Industrial Chemistry
How to Cite
Crews, G. M., Ripperger, W., Kersebohm, D. B., Güthner, T. and Mertschenk, B. 2006. Melamine and Guanamines. Ullmann's Encyclopedia of Industrial Chemistry. .
- Published Online: 15 JUL 2006
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Melamines (2,4,6-triamino-1,3,5-triazines) are produced from urea. They are used in the fabrication of melamine – formaldehyde resins for laminating and adhesive applications. Melanine is used as cross-linker in heat-cured and high-solids paint systems.
Guanamines (2,4-diamino-1,3,5-triazines) are produced from dicyandiamide and the corresponding nitrile by base-catalyzed cyclocondensation. They are used in similar polymer applications as for melamine. They give a lower cross-link density and higher flexibility because only two amino functionalities are present.
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