Synthesis of triangle hybrid particles by radiation-induced seeded emulsion polymerization based on polystyrene/SiO 2 core-shell particles

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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  • Michael Hon-Wah Lam


Original languageEnglish
Pages (from-to)61-64
Journal / PublicationMaterials Letters
Publication statusPublished - 15 Jul 2012


A novel strategy has been designed for the preparation of triangle polystyrene/SiO 2 (PS/SiO 2) hybrid particles using γ-ray radiation-induced seeded emulsion polymerization from core-shell structured PS/SiO 2 seed particles. SEM results indicate that the weight ratio of monomer to seed particles (W St/Seed) and the thickness of silica-shell coated on the core-shell PS/SiO 2 seed particles are crucial for the subsequent formation of triangle hybrid particles. Moreover, the size of the protruded PS bulbs of the resultant triangle particles obviously increases with W St/Seed from 1.25 to 5. This novel method is applicable to the preparation of anisotropic hybrid particles from polymer/inorganic core-shell particles. © 2012 Elsevier B.V. All rights reserved.

Research Area(s)

  • Anisotropic, Nanocomposites, Radiation-induced seeded polymerization, Sol-gel preparation, Triangle hybrid particles