Manufacturing nanocomposites
AssigneeSnu R&Db Foundation
InventorYoungtack Shim
Life of this patent
Estimating the term…
Abstract
Techniques for preparing PNCs are provided. In one embodiment, a polymer extruding device may include a barrel configured to accommodate a composite material, a shaft rotatably disposed in the barrel, and a motor coupled to the shaft and configured to rotate the shaft, thereby moving the composite material. The polymer extruding device may further include a die including one or more injectors configured to inject nano particles into the die to cause shear stress to be exerted to the composite material, thereby forming a layer of the nano particles on a surface of the composite material.
Claims21
An apparatus comprising:
- a barrel configured to accommodate an extrudable raw material;
- a shaft rotatably disposed in the barrel;
- a motor coupled to the shaft and configured to rotate the shaft to force the raw material through the barrel;
- a heater configured to melt at least a portion of the raw material passing through the barrel;
- a die coupled to the barrel and including one or more first injectors configured to inject nano-particles into the die, thereby forming at least one layer of the nano-particles over the molten raw material;
- and
- a supply of nanoparticles operably coupled to the one or more first injectors.
An apparatus comprising:
- a barrel configured to accommodate an extrudable raw material;
- a shaft rotatably disposed in the barrel;
- a motor coupled to the shaft and configured to rotate the shaft to force the raw material through the barrel;
- a heater configured to melt at least a portion of the raw material passing through the barrel;
- a die coupled to the barrel, wherein the die comprises a lumen having radius that decreases from a proximal zone of the die to a distal zone of the die, and wherein at least a portion of the inner surface of the lumen in the distal zone is concave inward;
- a first injector configured to inject nanoparticles into the distal zone of the die, thereby forming a layer of the nanoparticles over the raw material;
- and
- a supply of nanoparticles operably coupled to the first injector.
Dependencies are inferred from the claim text.