In recent years, nanosilicas have received particular attention in the use as filler for reinforcing silicone
rubber. They can be homogeneously distributed within the polymer matrix and improve the physical and
mechanical properties of silicone rubber, e.g. the tensile strength, tear strength, modulus and abrasion resistance.
The enhanced performance in mechanical and thermal aspects is primarily attributed to the formation
of the strong interfacial interactions between nanosilica filler and rubber matrix. Many methods for the surface
chemical modification of nanosilica are developed to enhance its dispersion and compatibility in silicone
rubber by changing its surface from hydrophilic to hydrophobic nature. We briefly summarized recent literatures
on the techniques of the surface chemical modification of nanosilica for use in reinforcement of silicone
Keywords: Dispersion, modification, nanoparticle, reinforcement, rubber, silica, silicone, surface.
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