Ammonium polyphosphate with crystalline form V by ammonium dihydrogen phosphate process / Gousheng Liu in Industrial & engineering chemistry research, Vol. 49 N° 12 (Juin 2010)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 49 N° 12 (Juin 2010) . - pp. 5523–5529 Titre : Ammonium polyphosphate with crystalline form V by ammonium dihydrogen phosphate process Type de document : texte imprimé Auteurs : Gousheng Liu, Auteur ; Xinchun Liu, Auteur ; Jianguo Yu, Auteur Année de publication : 2010 Article en page(s) : pp. 5523–5529 Note générale : Chemistry engineering Langues : Anglais (eng) Mots-clés : Ammonium polyphosphate Crystalline form V Condensation water-solubility Résumé : Ammonium polyphosphate (APP) with crystalline form V (APP-V) was prepared through the reaction of ammonium dihydrogen phosphate and urea at high temperature and under dry ammonia atmosphere. Effects such as raw material ratios, ammoniation, condensation temperature, and condensation time were examined. Its water-solubility was tested and compared with those of industrial APP-I and APP-II. FTIR, XRD, and TGA techniques were used to characterize this product. The thermal degradation of APP-V was examined and compared with that of APP-I and APP-II; the molecular structure of this APP-V was speculated and discussed. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100453a [article] Ammonium polyphosphate with crystalline form V by ammonium dihydrogen phosphate process [texte imprimé] / Gousheng Liu, Auteur ; Xinchun Liu, Auteur ; Jianguo Yu, Auteur . - 2010 . - pp. 5523–5529. Chemistry engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 12 (Juin 2010) . - pp. 5523–5529 Mots-clés : Ammonium polyphosphate Crystalline form V Condensation water-solubility Résumé : Ammonium polyphosphate (APP) with crystalline form V (APP-V) was prepared through the reaction of ammonium dihydrogen phosphate and urea at high temperature and under dry ammonia atmosphere. Effects such as raw material ratios, ammoniation, condensation temperature, and condensation time were examined. Its water-solubility was tested and compared with those of industrial APP-I and APP-II. FTIR, XRD, and TGA techniques were used to characterize this product. The thermal degradation of APP-V was examined and compared with that of APP-I and APP-II; the molecular structure of this APP-V was speculated and discussed. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100453a

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