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Preparation of Halloysite Nanotubes/Polystyrene (HNTs/PS) Core‐shell Particles via Soap‐less Microemulsion Polymerization

Halloysite nanotubes/polystyrene (HNTs/PS) inorganic/organic core‐shell particles were prepared via a convenient soap‐less microemulsion polymerization. The inorganic cores were pre‐treated with allyl alcohol (AA) and the polymer shells were prepared successfully by the facile soap‐less microemulsion polymerization of styrene (St) with the allyl alcohol‐modified halloysite nanotube (AA‐HNT) nanoparticles as seeds, and potassium persulfate (KPS) as initiator in water. The products were characterized by Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). The morphologies of the HNTs/PS core‐shell particles were characterized by transmission electron microscopy (TEM). The mechanism of the nucleation is also mentioned.