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Study of the mechanism of intumescence in fire retardant polymers: Part IV—Evidence of ester formation in ammonium polyphosphate-pentaerythritol mixtures

✍ Scribed by G. Camino; L. Costa; L. Trossarelli; F. Costanzi; G. Landoni

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
340 KB
Volume
8
Category
Article
ISSN
0141-3910

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Study of the mechanism of intumescence i
Study of the mechanism of intumescence in fire retardant polymers: Part V—Mechanism of formation of gaseous products in the thermal degradation of ammonium polyphosphate
✍ G. Camino; L. Costa; L. Trossarelli 📂 Article 📅 1985 🏛 Elsevier Science 🌐 English ⚖ 361 KB

On heating, ammonium polyphosphate eliminates ammonia and water in two successive steps. The first (T= 165 280°C) involves a limited weight loss (ca. 3 "/o) and theJormation of some branched structures. The transition from one crystalline Jorm q[ ammonium polyphosphate to another, more stabh',Jorm,