Obtaining the optimum properties for the
nanocomposites, however, requires an excellent homogeneous
dispersion of the fillers, as the tendency of the
silica particles to agglomerate can seriously affect the
achievable properties. Therefore, to provide a strong
interfacial interaction between the inorganic particles
and the polymer matrix, silica fillers must have suitably
modified surfaces. The end result is a composite with
unique and significantly improved mechanical properties
having a high ability to transfer the stresses from the
polymer matrix to the embedded particles. This allows
the silica/polymer nanocomposites to be used in a variety
of applications and industrial products successfully
replacing the classical materials. Although much work
has already been done on the silica/polymer nanocomposites,
more research is needed to further understand
the complex filler-matrix relationship that would allow a
step forward and even enable a synthesis of the nanocomposites
with controllable properties through tailoring
the interfacial interaction between silica and a polymer
matrix