Conductive nanocomposite films
First Claim
Patent Images
1. A method for preparing an optically clear nanocomposite layer with resistivity less than 4.5×
- 105 ohm·
cm comprising;
providing nanofillers;
providing a liquid polymer matrix;
mixing the nanofillers and the liquid polymer matrix below a loading of 80% by volume and processing the mixture to produce a nanocomposite; and
wherein the nanocomposite has a transparency to light that differs by more than 20% as compared with the transparency to light exhibited by a composite material of similar composition with filler particles having a domain size of at least one micron.
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Abstract
Methods for preparing low resistivity nanocomposite layers that simultaneously offer optical clarity, wear resistance and superior functional performance. Nanofillers and a substance having a polymer are mixed. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated and un-coated fillers may be used. Nanocomposite films may be coated on substrates.
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Citations
15 Claims
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1. A method for preparing an optically clear nanocomposite layer with resistivity less than 4.5×
- 105 ohm·
cm comprising;providing nanofillers; providing a liquid polymer matrix; mixing the nanofillers and the liquid polymer matrix below a loading of 80% by volume and processing the mixture to produce a nanocomposite; and wherein the nanocomposite has a transparency to light that differs by more than 20% as compared with the transparency to light exhibited by a composite material of similar composition with filler particles having a domain size of at least one micron. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12)
- 105 ohm·
-
11. A method for preparing an optically clear nanocomposite layer with resistivity less than 4.5×
- 105 ohm·
cm comprising;providing nanofillers; providing a matrix; mixing the nanofillers and the matrix below a loading of 80% by volume and processing the mixture to produce a nanocomposite, wherein the nanofillers are chemically reduced prior to the mixing; and wherein the nanocomposite has a transparency to light that differs by more than 20% as compared with the transparency to light exhibited by a composite material of similar composition with filler particles having a domain size of at least one micron.
- 105 ohm·
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13. A method for preparing a nanocomposite with resistivity between 1.09×
- 104 ohm·
cm and 5.54×
1012 ohm·
cm comprising;providing nanofillers comprising domain size less than 100 nanometers; providing a matrix; mixing the nanofillers and the matrix below a loading of 80% by volume and processing the mixture to produce a nanocomposite, wherein the nanofillers are chemically reduced prior to the mixing; and wherein the nanocomposite has a transparency to light at a specific wavelength of light that differs by more than 20% as compared with the transparency to light at the specific wavelength of light exhibited by a composite material of similar composition with filler particles having a domain size of at least one micron. - View Dependent Claims (14, 15)
- 104 ohm·
Specification