Electrically conductive polyimide compositions having a...

Details Electrically conductive polyimide compositions having a... Electrically conductive polyimide compositions having a...

2007-09-25

2007-09-25

Ahmed, Sheeba (Department: 1773)

Stock material or miscellaneous articles

Composite

Of polyimide

C428S220000, C428S323000, C428S332000, C428S334000, C427S372200

Reexamination Certificate

active

10612184

ABSTRACT:
This invention is directed to polyimide films having a carbon nanotube filler to provide a surface resistivity in a range from 50 ohm/square to 1.0×1015ohms/square. The electrically conductive polyimides of the present invention have an excellent balance of properties relative to conventional polyimides having a conductive filler, due at least in part to the film's water content, degree of imidization and polymer orientation.

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patent: 5862296 (1999-01-01), Oyama
patent: 6201945 (2001-03-01), Schlueter et al.
patent: 6465966 (2002-10-01), Konuma
patent: 6574130 (2003-06-01), Segal et al.
patent: 6617377 (2003-09-01), Chacko
C. Park, et al., Dispersion of single wall carbon nanotubes by in situ polymerization under sonifcation, Chemical Physics Letters 364, Oct. 4, 2002, pp. 303-308, Elsevier Science B.V.

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