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Immobilization of ionic liquid [BMIM][PF6] by spraying suspension dispersion method / Hongshuai Gao in Industrial & engineering chemistry research, Vol. 47 N° 13 (Juillet 2008) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 47 N° 13 (Juillet 2008) . - p. 4414–4417 Titre : Immobilization of ionic liquid [BMIM][PF6] by spraying suspension dispersion method Type de document : texte imprimé Auteurs : Hongshuai Gao, Auteur ; Jianmin Xing, Auteur ; Xiaochao Xiong, Auteur ; Yuguang Li, Auteur Année de publication : 2008 Article en page(s) : p. 4414–4417 Note générale : Bibliogr. p. 4417 Langues : Anglais (eng) Mots-clés : Ionic  liquid  --  immobilization;  Spraying  suspension  dispersion;  Nitrogen  gas  pressure Résumé : A novel method of immobilizing ionic liquid of 1-butyl-3-methylimidazolium hexafluorophosphate [BMIM][PF6] by spraying suspension dispersion was proposed. The oil phase, composed of [BMIM][PF6], polysulfone, and dichloromethane, was sprayed into the 0.2 wt % gelatin aqueous solution using nitrogen gas pressure to form droplets. As dichloromethane evaporated completely, polysulfone microcapsules, containing the [BMIM][PF6], were obtained. In order to select a suitable shell material and dispersant, several parallel experiments were also carried out, which proved that that polysulfone and gelatin are suitable shell material and dispersant, respectively. The polysulfone microcapsules enclosing ionic liquid were examined using a scanning electron microscope and thermogravimetric analyzer. The results showed that the microcapsules have an average diameter of 70 μm with narrow size distribution and smooth surface, and the encapsulation capacity of microcapsules is 29%. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie701702n [article] Immobilization of ionic liquid [BMIM][PF6] by spraying suspension dispersion method [texte imprimé] / Hongshuai Gao, Auteur ; Jianmin Xing, Auteur ; Xiaochao Xiong, Auteur ; Yuguang Li, Auteur . - 2008 . - p. 4414–4417. Bibliogr. p. 4417 Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 N° 13 (Juillet 2008) . - p. 4414–4417 Mots-clés : Ionic  liquid  --  immobilization;  Spraying  suspension  dispersion;  Nitrogen  gas  pressure Résumé : A novel method of immobilizing ionic liquid of 1-butyl-3-methylimidazolium hexafluorophosphate [BMIM][PF6] by spraying suspension dispersion was proposed. The oil phase, composed of [BMIM][PF6], polysulfone, and dichloromethane, was sprayed into the 0.2 wt % gelatin aqueous solution using nitrogen gas pressure to form droplets. As dichloromethane evaporated completely, polysulfone microcapsules, containing the [BMIM][PF6], were obtained. In order to select a suitable shell material and dispersant, several parallel experiments were also carried out, which proved that that polysulfone and gelatin are suitable shell material and dispersant, respectively. The polysulfone microcapsules enclosing ionic liquid were examined using a scanning electron microscope and thermogravimetric analyzer. The results showed that the microcapsules have an average diameter of 70 μm with narrow size distribution and smooth surface, and the encapsulation capacity of microcapsules is 29%. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie701702n