Patent ID: 7901610

Claim:
A method for melt electrospinning production of non-woven fabric from meltable thermoplastic polymer or meltable thermoplastic polymer nanoclay nanocomposite, said method comprising the steps of: (a) melting thermoplastic polymer or nanocomposite in a melting zone, wherein shielding with an electrostatic shielding element is provided; (b) moving the melted thermoplastic polymer or nanocomposite through the melting zone by a force supplier upstream of or in the melting zone; (c) providing an electric charge on the melted polymer to overcome the surface tension on the melted polymer to produce a jet of melted polymer or nanocomposite and provide unstable flow involving a plurality of electrically induced bending instabilities/whipping motions and elongation of and production of polymer or nanocomposite fibers; and (d) collecting of the elongated fibers to form a non-woven fabric.