Nanosilica/poly(styrene-acrylate) nanocomposite films as effective dampingand sound absorber coatings

Silica/poly(styrene-acrylate) nanocomposites were synthesized via two distinct routes: in-situpolymerization and direct mixing techniques. The colloidal stability, damping-acoustic behavior, andmechanical characteristics of the nanocomposite samples were investigated using zeta potential,dynamic-mechanical thermal analysis (DMTA), acoustic test with an impedance tube, and tensiletest, respectively. The nanocomposites prepared through the direct mixing technique exhibitedenhanced colloidal stability, improved damping and acoustic performance, and superior mechanicalproperties in comparison to those synthesized via the in-situ polymerization approach.

کلیدواژه ها:

Polymer nanocomposite ، In-situ polymerization ، Direct mixing ، Damping-acousticproperties ، Mechanical properties