Polymer and method for using the polymer for noncovalently...

Details Polymer and method for using the polymer for noncovalently... Polymer and method for using the polymer for noncovalently...

2007-07-09

2009-06-16

Lipman, Bernard (Department: 1796)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

C423S44500R, C423S44500R, C423S460000, C428S398000, C428S408000, C524S495000, C524S496000, C525S416000

Reexamination Certificate

active

07547472

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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