期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 520, 期 -, 页码 467-476出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2017.02.009
关键词
Polyacrylonitrile; Hollow carbon microspheres; Microfluidic devices; Porous structure; Gas barrier properties
资金
- Pre-research Foundation for National Science Foundation
Hollow carbon microspheres were successfully fabricated in a convenient fashion by employing polyacrylonitrile (PAN) emulsions as precursors. The obtained hollow carbon microspheres were shown high monodispersity, tunable pore structures gradient pore diameters and uniform orientation of pores. Through varying the flowing rates of three phases and solidification time, the PAN microspheres with different sizes and densities could be simply synthesized. Besides the relationship between the solidification time and the density of microspheres as well as their gas barrier properties were studied in this paper. These structured microspheres have great potential applications in various areas, including foam targets, carbon molecular sieve, cargo storage, medical instruments and so on. (C) 2017 Elsevier B.V. All rights reserved.
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