Abstract
Radiation vulcanized natural rubber latex (RVNRL) nanocomposites were prepared by the incorporation of aqueous dispersions of nanosilica and nanoclay in RVNRL latex. The sorption, diffusion, and permeation coefficients of the composites were measured at 303 K. The magnitude of the diffusion coefficient showed a decreasing trend in RVNRL/nanosilica composites followed by nanoclay and china clay composites. The diffusion of solvent through rubber followed a first-order kinetics. The transport phenomenon was found to follow an anomalous behaviour. XRD analysis showed that nano silica particles were homogeneously distributed in the rubber matrix. The particle size of the nano silica is 10 nm as confirmed from TEM analysis. RVNRL/nano silica composites showed better dispersion of filler particles in natural rubber.
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