Facile fabrication of nanocomposite microspheres with polymer cores and magnetic shells by Pickering suspension polymerization
作者： Chaoyang Wang , Chengjin Zhang , Yu Li , Yunhua Chen , Zhen Tong
DOI: 10.1016/J.REACTFUNCTPOLYM.2009.06.003
关键词: Magnetic nanoparticles 、 Chemical engineering 、 Materials science 、 Nanocomposite 、 Radical polymerization 、 Polymer chemistry 、 Suspension polymerization 、 Pickering emulsion 、 Polymer 、 Nanoparticle 、 Polymerization
摘要: Abstract Pickering suspension polymerization was used to prepare magnetic polymer microspheres that have cores enveloped by shells of nanoparticles. Styrene emulsified in an aqueous dispersion Fe3O4 nanoparticles using a high shear. The resultant oil-in-water (o/w) emulsion stabilized solely easily polymerized at 70 °C without stirring. act as effective stabilizers during and building blocks for creating the organic–inorganic hybrid nanocomposite after polymerization. fabricated nanocomposites were characterized FTIR, XRD, TGA, DSC, GPC, XPS SEM. structures core nanoparticle shell analyzed. We investigated effects on products weight stabilize original emulsions. provides new route synthesis variety with supracolloidal structures.
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