Citation: Yi-zhang Chen a, Zhao-xia Guo a, Jian Yu a, Mao-sheng Zhan b. PREPARATION OF POLYSTYRENE/SiO2 COMPOSITE NANOPARTICLES BEARING SULFONIC GROUPS ON THE SURFACE VIA EMULSION COPOLYMERIZATION USING A POLYMERIZABLE EMULSIFIER[J]. Chinese Journal of Polymer Science, ;2009, 27(5): 629-637. shu

PREPARATION OF POLYSTYRENE/SiO2 COMPOSITE NANOPARTICLES BEARING SULFONIC GROUPS ON THE SURFACE VIA EMULSION COPOLYMERIZATION USING A POLYMERIZABLE EMULSIFIER

Received Date: 21 May 2008
Revised Date: 27 June 2008

Functionalized PS/SiO2 composite nanoparticles bearing sulfonic groups on the surface were successfully synthesized via emulsion copolymerization using a polymerizable emulsifier α olefin solfonate (AOS). As demonstrated by transmission electron microscopy and atomic force microscopy, well-defined core-shell PS/SiO2 composite nanoparticles with a diameter of 50 nm were obtained. Sulfonic groups introduced onto the surface of the composite nanoparticles were quantified by FTIR, and can be controlled to some extent via a two-stage procedure.
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