globalchange  > 气候减缓与适应
DOI: 10.1016/j.jcou.2018.05.006
Scopus记录号: 2-s2.0-85046868507
论文题名:
Assessment of the intrinsic interactions of nanocomposite polyaniline/SBA-15 with carbon dioxide: Correlation between the hydrophilic character and surface basicity
作者: Boukoussa B.; Hakiki A.; Nunes-Beltrao A.P.; Hamacha R.; Azzouz A.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2018
卷: 26
起始页码: 171
结束页码: 178
语种: 英语
英文关键词: CO2 adsorption ; Hydrophilic character ; Nanocomposite polymer/SBA-15 ; Surface basicity ; Temperature-programmed desorption
Scopus关键词: Alkalinity ; Aniline ; Fourier transform infrared spectroscopy ; Hydrophilicity ; Molecules ; Nanocomposites ; Polyaniline ; Silica ; Temperature programmed desorption ; Thermogravimetric analysis ; X ray diffraction ; Chemical interactions ; CO2 adsorption ; Hydrophilic character ; In-situ polymerization ; Nanocomposite polymers ; Scanning electronic microscopy ; Surface basicity ; Thermal programmed desorption ; Carbon dioxide
英文摘要: This work focuses on the preparation and modification of mesoporous SBA-15 silica by in-situ polymerization of various amounts of aniline. The resulting nanocomposites denoted as pani/SBA-15 displayed affinity towards CO2. X-ray diffraction, argon sorption isotherms at 87 K, thermogravimetric analysis, Fourier transform infrared spectroscopy and scanning electronic microscopy revealed the formation of thin layers of pani in the inner surface of SBA-15. The surface basicity and hydrophilic character expressed in terms of retention capacity of CO2 (CRC) and moisture (WRC) were assessed through thermal programmed desorption. The CRC was found to increase with increasing polyaniline content. CO2 appears to adsorb via both physical and chemical interactions on three types of sites. The weak sites are due to physical interactions between H2O and CO2 molecules, while the strong sites are expressed by chemical interactions between CO2 molecules and the amine moiety incorporated. Repetitive TPD patterns showed a progressive CRC decrease due to the removal of water molecules that contribute significantly to CO2 retention. © 2018 Elsevier Ltd. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/111837
Appears in Collections:气候减缓与适应

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作者单位: Laboratoire de Chimie des Materiaux L.C.M, Université d'Oran1 Ahmed Ben Bella, BP 1524, El-Mnaouer, Oran, 31000, Algeria; Département de Génie des Matériaux, Faculté de Chimie, Université des Sciences et de la Technologie Mohamed Boudiaf, BP 1505, El-Mnaouer, Oran, 31000, Algeria; Nanoqam, Department of Chemistry, University of Quebec at Montreal, Montréal, H3C3P8, Canada; Lqamb, Laboratorio de Química Analítica Ambiental, Faculdade de Química, Pontifícia Universidade Catolica Do Rio Grande Do sul, Brazil

Recommended Citation:
Boukoussa B.,Hakiki A.,Nunes-Beltrao A.P.,et al. Assessment of the intrinsic interactions of nanocomposite polyaniline/SBA-15 with carbon dioxide: Correlation between the hydrophilic character and surface basicity[J]. Journal of CO2 Utilization,2018-01-01,26
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