Especially, when the clays were incorporated at a low content of 3 wt %, the fully exfoliated clay nanosheets were randomly dispersed in the matrix, and some intercalated tactoids consisting of only a few layers could also be detected. However, in the nanocomposite samples with an excess clay loading of 7 wt %, a high degree of intercalated tactoids, in which a larger number of silicate layers were stacked, were randomly distributed in the entire matrix, along with a low number of delaminated nanosheets.