In this study, new biopolymer nanocomposites were prepared by treatment of ESO plasticized PLA modified MMT with FNCs. PLA/ESO–clay nanocomposites have been prepared by incorporating 2% of CDFA-MMT and 3% of both FA-MMT and FHA-MMT. TEM analysis shows that the prepared nanocomposites were intercalated (FA-MMT and FHA-MMT) and intercalated with partially exfoliated types (CDFA-MMT). In addition to their applications in textile industries, automotive and clinical uses, these nanocomposites represent a good candidate to produce disposable packaging because they have good mechanical, thermal properties and processability, and produce from renewable, biodegradable, environmental friendly and easily available raw materials. The surfactants (FNCs) used in this study for clay modification will reduce the dependence on petroleum-based surfactants.