In one embodiment, the invention provides an air movement device having a
matrix polymer and nanoparticles. In another embodiment, the invention
provides a method of manufacturing an air movement device having
dry-mixing about 30% to about 80% by weight matrix polymer and about 2%
to about 15% by weight layered clay to form a dry mixture, extruding the
mixture to form a polymer nanocomposite, and molding the polymer
nanocomposite into an air movement device. In yet another embodiment, the
invention provides an air movement device having about 30% to about 80%
by weight polypropylene, about 3% to about 10% by weight layered clay,
and about 1% to about 10% by weight maleic anhydride grafted polystyrene,
wherein the air movement device has a UL 94 5VA flame retardant rating.