US 7,517,930 B2
	Polymer nanocomposites for air movement devices
Archie Eschborn, Carpentersville, Ill. (US); Jack J. Rossate, Lake in the Hills, Ill. (US); Craig R. Hall, Hartford, Wis. (US); and David Abecassis, Huntington, N.Y. (US)
Assigned to Revcor, Inc., Carpentersville, Ill. (US)
Filed on Apr. 07, 2005, as Appl. No. 11/102,246.
Claims priority of provisional application 60/560177, filed on Apr. 07, 2004.
Prior Publication US 2006/0030660 A1, Feb. 09, 2006
Int. Cl. C08K 3/34 (2006.01); F01D 5/14 (2006.01)

U.S. Cl. 524—445  [416/241 A]

14 Claims

1. An air movement device comprising a material formed of: (a) a matrix polymer, wherein the matrix polymer in the material comprises about 40% to about 60% by weight thereof; (b) nanoparticles of layered clay comprising about 3% to about 20% by weight of the layered clay, the layered day being substantially arranged within the material in stacks of negatively charged sheets separated by an interlamellar region comprising charge-balancing cations; and (c) an additive of about 1% to about 10% by weight maleic anhydride grafted polystyrene.