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Hydroxymethylation and polycondensation reactions in urea–formaldehyde resin synthesis

✍ Scribed by Peep Christjanson; Tõnis Pehk; Kadri Siimer

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
110 KB
Volume
100
Category
Article
ISSN
0021-8995

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✍ C. Kamoun; A. Pizzi; M. Zanetti 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 126 KB

## Abstract Iminoamino methylene base intermediates obtained by the decomposition of hexamethylenetetramine (hexamine) stabilized by the presence of strong anions such as SO and HSO, or hexamine sulfate, were shown to markedly improve the water and weather resistance of hardened melamine–urea–forma