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Effect of supersaturation on the morphology of coated surface in coating by solution crystallization / Jae-Wook Jung in Industrial & engineering chemistry research, Vol. 50 N° 6 (Mars 2011) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 50 N° 6 (Mars 2011) . - pp. 3475-3482 Titre : Effect of supersaturation on the morphology of coated surface in coating by solution crystallization Type de document : texte imprimé Auteurs : Jae-Wook Jung, Auteur ; Kwang-Joo Kim, Auteur Année de publication : 2011 Article en page(s) : pp. 3475-3482 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Solution  crystallization  Morphology  Supersaturation Résumé : HMX (cyclotetramethylene tetranitramine) was coated with NTO (3-nitro-1,2,4-triazole-5-one) by solution crystallization. Two-step coating crystallization was investigated to enhance coating morphology. The first coating process using HMX seed and the second coating process using HMX coated with NTO obtained from the first process were compared in terms of coating shape, coating surface, nucleation rate, metastable zone width, and interfacial energy. The objective of this study was to examine how operating conditions affected the surface morphology by coating crystallization. The parameters such as type of seed, concentration, and cooling rate were used in the crystallization process. Finally, the second coating process was found to achieve compact and uniform surfaces of NTO crystals coated on the HMX surface. It was found that higher supersaturation enhances cluster aggregation, which results in uniform coating on the HMX surface. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=23944514 [article] Effect of supersaturation on the morphology of coated surface in coating by solution crystallization [texte imprimé] / Jae-Wook Jung, Auteur ; Kwang-Joo Kim, Auteur . - 2011 . - pp. 3475-3482. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 6 (Mars 2011) . - pp. 3475-3482 Mots-clés : Solution  crystallization  Morphology  Supersaturation Résumé : HMX (cyclotetramethylene tetranitramine) was coated with NTO (3-nitro-1,2,4-triazole-5-one) by solution crystallization. Two-step coating crystallization was investigated to enhance coating morphology. The first coating process using HMX seed and the second coating process using HMX coated with NTO obtained from the first process were compared in terms of coating shape, coating surface, nucleation rate, metastable zone width, and interfacial energy. The objective of this study was to examine how operating conditions affected the surface morphology by coating crystallization. The parameters such as type of seed, concentration, and cooling rate were used in the crystallization process. Finally, the second coating process was found to achieve compact and uniform surfaces of NTO crystals coated on the HMX surface. It was found that higher supersaturation enhances cluster aggregation, which results in uniform coating on the HMX surface. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=23944514