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Controlled synthesis of monolithic hierarchical porous materials using wood as a template with assistance of supercritical carbon dioxide / Jianbo Li in Industrial & engineering chemistry research, Vol. 47 N°20 (Octobre 2008) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 47 N°20 (Octobre 2008) . - P. 7680-7685 Titre : Controlled synthesis of monolithic hierarchical porous materials using wood as a template with assistance of supercritical carbon dioxide Type de document : texte imprimé Auteurs : Jianbo Li, Editeur scientifique ; Jiguang Wang, Editeur scientifique ; Jianxia Jiao, Editeur scientifique Année de publication : 2008 Article en page(s) : P. 7680-7685 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Carbon  Dioxide  Monolithic  porous  inorganic  materials  CO2 Résumé : A green and efficient process to synthesize monolithic porous inorganic materials with hierarchical structure has been presented. By using wood cellular structure as a template and supercritical CO2 as a solvent and carrier, the morphology and pore or channel systems of wood templates could be replicated faithfully. The total BET (Brunauer−Emmett−Teller) surface area of the resulting silica material can reach 469 m2/g using poplar as the template. It is found that different pore structure data can be obtained with different wood cellular structures as the template. Meanwhile, the pore structure data of the product can be adjusted by changing the experimental conditions of the supercritical CO2 during the impregnation process. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie0711269 [article] Controlled synthesis of monolithic hierarchical porous materials using wood as a template with assistance of supercritical carbon dioxide [texte imprimé] / Jianbo Li, Editeur scientifique ; Jiguang Wang, Editeur scientifique ; Jianxia Jiao, Editeur scientifique . - 2008 . - P. 7680-7685. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 N°20 (Octobre 2008) . - P. 7680-7685 Mots-clés : Carbon  Dioxide  Monolithic  porous  inorganic  materials  CO2 Résumé : A green and efficient process to synthesize monolithic porous inorganic materials with hierarchical structure has been presented. By using wood cellular structure as a template and supercritical CO2 as a solvent and carrier, the morphology and pore or channel systems of wood templates could be replicated faithfully. The total BET (Brunauer−Emmett−Teller) surface area of the resulting silica material can reach 469 m2/g using poplar as the template. It is found that different pore structure data can be obtained with different wood cellular structures as the template. Meanwhile, the pore structure data of the product can be adjusted by changing the experimental conditions of the supercritical CO2 during the impregnation process. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie0711269