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Poly(styrene-co-methyl methacrylate) (poly(St-co-MMA))/SiO2 nanocomposite particles (NCPs) were prepared through miniemulsion polymerization by using polyoxyethylene (20) sorbitan monolaurate (commercial name: Tween-20) as the sole surfactant. The number fraction of poly(St-co-MMA)/SiO2 NCPs in the as-synthesized emulsion could exceed 90% in some well-designed systems, indicative of high efficiency...
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