Microstructural Modification and Characterization of Sericite
AbstractActivated sericite was prepared by thermal modification, acid activation and sodium modification, and it was characterized by X-ray diffraction (XRD) analysis, differential scanning calorimetry (DSC), N2 adsorption test, thermo-gravimetric analysis (TGA), nuclear magnetic resonance (NMR), and scanning electron microscope (SEM). The results indicated that the crystallinity of raw sericite decreased after thermal modification; the pores with sizes between 5 nm to 10 nm of thermal-modified sericite have collapsed and the surface area increased after thermal modification. The dissolving-out amount of Al3+ reached ca. 31 mg/g in the optimal processing conditions during acid activation; cation exchange capacity (CEC) of acid-treated sericite increased to 56.37 mmol/100 g meq/g after sodium modification compared with that of raw sericite (7.42 mmol/100 g). The activated sericite is a promising matrix for clay-polymer nanocomposites. View Full-Text
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Liang, Y.; Ding, H.; Sun, S.; Chen, Y. Microstructural Modification and Characterization of Sericite. Materials 2017, 10, 1182.
Liang Y, Ding H, Sun S, Chen Y. Microstructural Modification and Characterization of Sericite. Materials. 2017; 10(10):1182.Chicago/Turabian Style
Liang, Yu; Ding, Hao; Sun, Sijia; Chen, Ying. 2017. "Microstructural Modification and Characterization of Sericite." Materials 10, no. 10: 1182.
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