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Citation: YAN Chang-Ling, LU Yan, GAO Shu-Yan. Preparation and Characterization of PS/pAPBA Core-Shell Microspheres[J]. Chinese Journal of Applied Chemistry, ;2008, 25(4): 381-384. shu

Preparation and Characterization of PS/pAPBA Core-Shell Microspheres

YAN Chang-Ling ^a ,
LU Yan ^a,b,, ,
GAO Shu-Yan ^b

1.
a College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000;
2.
b College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007

Corresponding author: LU Yan,
Received Date: 16 April 2007
Available Online: 20 September 2007
Fund Project: 国家自然科学基金(20673034) (20673034)教育部高等学校博士学科点专项科研基金(20060476001)资助 (20060476001)

Polystyrene microspheres with an average diameter of 55 μm were prepared by suspension polyme-rization via oxidation of the monomer by ammonium persulfate.Poly-3-aminophenylboronic acid was grafted onto the surfaces of the polystyrene microspheres to form polystyrene/poly-3-aminophenylboronic acid coreshell micospheres.The samples were characterized with scanning electron microscopy,Raman spectroscopy,X-ray photoelectron spectroscopy,and nitrogen adsorption/desorption method.The results show that poly-3-aminophenylboronic acid was successfully grafted to the surfaces of the polystyrene microspheres by aromatic ring electron-pairing interaction,and that the surfaces of the core-shell microspheres possessed porous structure,with the average pore diameter of 30.2 nm and the BET surface area of 193.26 m²/g.
- polystyrene,
- polyaminophenylboronic acid,
- core-shell microspheres,
- structure characterization
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