Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Reexamination Certificate
2005-06-14
2005-06-14
Lipman, Bernard (Department: 1713)
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
C423S44500R, C423S460000, C428S367000, C428S398000, C428S408000, C524S495000, C524S496000, C525S416000
Reexamination Certificate
active
06905667
ABSTRACT:
A new, non-wrapping approach to functionalizing nanotubes, such as carbon nanotubes, in organic and inorganic solvents is provided. In accordance with certain embodiments, carbon nanotube surfaces are functionalized in a non-wrapping fashion by functional conjugated polymers that include functional groups. Various embodiments provide polymers that noncovalently bond with carbon nanotubes in a non-wrapping fashion. For example, various embodiments of polymers are provided that comprise a relatively rigid backbone that is suitable for noncovalently bonding with a carbon nanotube substantially along the nanotube's length, as opposed to about its diameter. In preferred polymers, the major interaction between the polymer backbone and the nanotube surface is parallel π-stacking. In certain implementations, the polymers further comprise at least one functional extension from the backbone that are any of various desired functional groups for functionalizing a carbon nanotube.
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Chen Jian
Liu Haiying
Haynes and Boone L.L.P.
Lipman Bernard
The University of Pittsburgh
Zyvex Corporation
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