Anisotropic nanotube fabric layers and films and methods of forming same
First Claim
1. A method of forming an anisotropic nanotube fabric layer onto a substrate element, which comprises:
- suspending a first plurality of nanotube elements within a solvent to form a nanotube application solution;
rendering said nanotube application solution into a nematic state by adjusting the concentration level of said nanotube application solution; and
applying said rendered nanotube application solution over said substrate element.
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Abstract
Methods for forming anisotropic nanotube fabrics are disclosed. In one aspect, a nanotube application solution is rendered into a nematic state prior to its application over a substrate. In another aspect, a pump and narrow nozzle assembly are employed to realize a flow induced alignment of a plurality of individual nanotube elements as they are deposited onto a substrate element. In another aspect, nanotube adhesion promoter materials are used to form a patterned nanotube application layer, providing narrow channels over which nanotube elements will self align during an application process. Specific dip coating processes which are well suited for aiding in the creation of anisotropic nanotube fabrics are also disclosed.
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Citations
8 Claims
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1. A method of forming an anisotropic nanotube fabric layer onto a substrate element, which comprises:
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suspending a first plurality of nanotube elements within a solvent to form a nanotube application solution; rendering said nanotube application solution into a nematic state by adjusting the concentration level of said nanotube application solution; and applying said rendered nanotube application solution over said substrate element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification