Preparation and characterization of monoclinic sulfur nanoparticles by water-in-oil microemulsions technique

Nanosized monoclinic sulfur particles have been successfully prepared via the chemical reaction between sodium polysulfide and hydrochloric acid in a reverse microemulsions system, with theolin, butanol, and a mixture of Span80 and Tween80 (weight ratio 8 : 1) as the oil phase, co-surfactant and sur...

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Bibliographic Details
Published in:Powder technology 2006-03, Vol.162 (2), p.83-86
Main Authors: Guo, Yiming, Zhao, Jingzhe, Yang, Shaofeng, Yu, Kaifeng, Wang, Zichen, Zhang, Hengbin
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Miscellaneous
Nanoparticles
Physical and chemical studies. Granulometry. Electrokinetic phenomena
Reactors
Reverse microemulsions
Solid-solid systems
Sulfur
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Summary:Nanosized monoclinic sulfur particles have been successfully prepared via the chemical reaction between sodium polysulfide and hydrochloric acid in a reverse microemulsions system, with theolin, butanol, and a mixture of Span80 and Tween80 (weight ratio 8 : 1) as the oil phase, co-surfactant and surfactant, respectively. Transparent microemulsions were obtained by mixing the oil phase, surfactant, co-surfactant, and the aqueous phase in appropriate proportion using an emulsification machine at the room temperature. The resulting sulfur nanoparticles were characterized by dynamic light scattering (DLS), X-ray diffraction (XRD), infrared spectroscopy (IR) and transmission electron microscopy (TEM).
ISSN:0032-5910
1873-328X
DOI:10.1016/j.powtec.2005.12.012