Back to results
US 11,814,291 B2Granted
Nanomaterials, nanocomposite materials, and methods thereof
AssigneeUTI Limited Partnership
InventorsUttandaraman Sundararaj, Mohammad Asgari
Life of this patent
Estimating the term…
Abstract
The present invention relates to a nanomaterial comprising a nanoclay having a layered structure and carbon nanotubes being intercalated between layers of the layered of the nanoclay, and manufacturing method thereof.
Claims11
A nanomaterial, comprising:
- a nanoclay,
- the nanoclay having a layered structure;
- and
- carbon nanotubes,
- the carbon nanotubes being intercalated between layers of the layered structure of the nanoclay, and wherein:
- (a) the carbon nanotubes comprise an ID/IG Raman intensity ratio or AD/AG Raman area ratio that is less than 2;
- or less than 1.5;
- or less than 1;
- (b) the carbon nanotubes comprise approximately 75% to approximately 90% sp2 carbon bonding;
- or approximately 80% to approximately 90% sp2 carbon bonding;
- or approximately 85% to approximately 90% sp2 carbon bonding;
- (c) the carbon nanotubes comprise an IG′/IG Raman intensity ratio that is about 0.2 to about 1;
- (d) the carbon nanotubes have a high aspect ratio of about 300 to about 1000;
- or
- (e) the nanomaterial has a powder conductivity of about 10-8 S/cm to about 100 S/cm.
12 more elements
A nanocomposite material comprising:
- a polymer;
- and
- a nanomaterial comprising a nanoclay and carbon nanotubes, wherein the nanoclay has a layered structure and the carbon nanotubes are intercalated between layers of the layered structure of the nanoclay,
- wherein the nanomaterial is dispersed throughout the polymer;
- and wherein:
- (a) the nanocomposite material exhibits a percolation threshold at a nanomaterial concentration of about 0.1 wt % to about 2 wt %;
- or about 0.1 wt % to about 5 wt %;
- (b) the nanocomposite material exhibits an EMI shielding of about 8 to about 10;
- or
- (c) the nanocomposite material has a loss tangent that is less than 1;
- or less than 0.8;
- or less than 0.5.
9 more elements
Dependencies are inferred from the claim text.