NDLI: Controlled preparation of core–shell polystyrene/polypyrrole nanocomposite particles by a swelling–diffusion

Content Provider	Springer Nature Link
Author	Huang, Zhen Wang, Chunjian Li, Yunxing Wang, Zhaoqun
Copyright Year	2012
Abstract	Polystyrene/polypyrrole (PS/PPy) core–shell nanocomposite particles with uniform and tailored morphology have been successfully synthesized using the “naked” PS particulate substrate with the aid of a proposed strategy, the so-called swelling–diffusion–interfacial polymerization method. After initially forming pyrrole-swollen PS particles, diffusion of the monomer toward the aqueous phase was controlled through the addition of hydrochloric acid, eventually leading to its polymerization on the substrate particle surface. This process allows the nanocomposite particles to possess uniform and intact PPy overlayer and affords much more effective control over the structure and morphology of the resultant nanocomposites by simply changing the PS/pyrrole weight ratio or the addition amount of the doping acid. In particular, the nanocomposite particles with a thin, uniform, and intact PPy overlayer and their corresponding PPy hollow particles were obtained at a low addition amount of pyrrole. The resultant nanocomposite particles have been extensively characterized using scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, and thermogravimetry.
Starting Page	979
Ending Page	985
Page Count	7
File Format	PDF
ISSN	0303402X
Journal	Colloid and Polymer Science
Volume Number	290
Issue Number	10
e-ISSN	14351536
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-05-03
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Conducting polymer Core–shell composite particle Polypyrrole Diffusion control Interfacial polymerization Characterization and Evaluation of Materials Polymer Sciences Physical Chemistry Soft and Granular Matter, Complex Fluids and Microfluidics Food Science
Content Type	Text
Resource Type	Article
Subject	Colloid and Surface Chemistry Materials Chemistry Physical and Theoretical Chemistry Polymers and Plastics

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