ISOLATION OF CARBON NANOTUBES BY CHEMICAL FUNCTIONALIZATION
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Mar 30, 2010
filing date -
Apr 1, 2009
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Abstract
Embodiments of the present disclosure illustrate systems and methods for the separation of carbon nanotubes (CNTs) in solution. In certain embodiments, the CNTs are isolated by sonication and chemical modification of the CNTs using functionalization reactions, including thermo-initiated free radical polymerization and esterification. Beneficially, sonication facilitates mechanical separation of the CNTs, while the chemical modification of the CNTs results in more favorable interactions between the CNTs and their surrounding media which enables the separated CNTs to remain isolated. Embodiments of the isolated CNTs may also be employed into coating systems.
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