Journal
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY
Volume 55, Issue 1, Pages 98-105Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10601325.2017.1387495
Keywords
Template method; emulsion polymerization; improvement of the surface character; hollow microspheres; conductivity
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Funding
- Project of Sichuan Province College Key Laboratory of Oil and Gas Field Materials [x151514kc116]
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Template-synthesis method was one of the important methods for the preparation of hollow microspheres. In present work, polystyrene (PS) microspheres were initially synthesized and effects of reaction conditions on the particle size and distribution of PS microspheres were studied. Then sulfonated PS (SPS) microspheres and spherical core (PS) /shell (polypyrrole, PPy) were synthesized by sulfonated and template method respectively. The method was that pyrrole (Py) on the surface of SPS microspheres were polymerized. Then PS (core)-PPy (shell) microspheres by dissolving PS inner core in N, N-Dimethylformamide (DMF), and hollow polypyrrole (HPPy) microspheres were obtained (Figure 1). Thereafter, HPPy microspheres were characterized by fourier transform infrared spectroscopy, X-ray diffraction, particle size analyzer, scanning electron microscope, thermal gravimetric analysis and KDY-4 four-probe resistance meter. The results showed that the size range of PS microspheres were 200 similar to 300 nm. HPPy microspheres have been successfully synthesized with good electrical conductivity and excellent thermal stability.
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