Enhanced cluster order–disorder transition-induced dilatancy in silane-functionalized nanosilica colloids

摘要: Herein, we report a novel nanosilica-based shear-thickening fluid, whose performance has been largely augmented by surface functionalizing silica employing silane chains. The functionalized colloids were transparent; this suggested that they have promise for application. An enhancement in viscosity was observed over an order of magnitude the usage particles, which could be explained on basis enhanced hydroclustering and order-to-disorder transition particles due to physical bonding with base polymer. It also behavior grossly modified presence nanoparticles. Oscillatory analysis showed exhibited improved dynamic response, elastic under variant strain frequency conditions. Additionally, impact resistance tests revealed thickening upon magnitude; established these as excellent candidates liquid armors. viscoelastic modeled based Cox–Merz formalism. three-element modeling performed, it while silica-based conformed predominantly viscous model, system transited model. present article can important implications design engineering fluids nanomaterials.