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- 저자 : Truong Le Phuc Nhi (검색결과 1 건)
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Khanh B. Vu,Thanh Khoa Phung,Thao T.T. Tran,Clement Mugemana,Ha N. Giang,Truong Le Phuc Nhi 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.97 No.-
Polystyrene was synthesized and applied as a template for fabricating hollow silica nanoparticles. Organic solvent and water were used as a solvent and an anti-solvent, respectively, to produce thepolystyrene nanoparticles via. nanoprecipitation technique. The influence of precipitation method (oneshotor drop), solvent for dissolution of polystyrene, and concentration of polystyrene or CTAB linker onthe diameter of polystyrene nanoparticles was investigated. The hollow silica nanoparticles werefabricated using the as-made polystyrene nanoparticles as a template with the help of CTAB linker. Polystyrene was recovered by the extraction of polystyrene@SiO2 composite with the tetrahydrofuransolvent, and the recovered polystyrene was re-used to make the polystyrene nanoparticles as a templatefor fabricating hollow silica nanoparticles. Our study can be applied for other types of polymericmaterials as long as those polymeric materials form nanoparticles via. nanoprecipitation technique. Incomparison with the polystyrene hard template prepared by emulsion polymerization, the size ofpolystyrene nanoparticles produced by the nanoprecipitation technique can be well-tuned by changingthe polystyrene and linker concentrations.
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